minify web content

update ignore files
use hostname in dhcp request
2023-02-12 08:54:29 +01:00 · 2022-07-04 21:05:22 +02:00 · 2021-11-21 00:24:19 +01:00 · 2021-11-18 07:40:08 +01:00 · 2021-11-18 04:03:53 +01:00 · 2021-09-12 22:00:59 +02:00
43 changed files with 3150 additions and 1089 deletions
--- a/.build.yml
+++ b/.build.yml
@ -9,43 +9,19 @@ steps:
 - name: submodules
  image: alpine/git
  commands:
-  - git submodule update --init --recursive
-
- name: patch
-  image: alpine/git
-  depends_on: [ submodules ]
-  commands:
-  - |-
-    sed -i 's/GNU bash, version (3\\\.\[1-9\]|4)/GNU bash, version (3.[1-9]|4|5)/g' modules/sdk/crosstool-NG/configure.ac
-
-  - mkdir -p modules/sdk/crosstool-NG/.build/tarballs
-  - wget https://github.com/libexpat/libexpat/releases/download/R_2_1_0/expat-2.1.0.tar.gz -O modules/sdk/crosstool-NG/.build/tarballs/expat-2.1.0.tar.gz
-
- name: toolchain
-  image: debian:sid
-  depends_on: [ patch ]
-  commands:
-  - apt update
-  - apt install -y make bash gawk g++ gcc libc6-dev flex bison automake autoconf gperf texinfo wget git bzip2 help2man libtool libtool-bin unrar-free unzip ncurses-dev libexpat-dev python-dev python3
-  - cd modules/sdk
-  - export CT_EXPERIMENTAL=y
-  - export CT_ALLOW_BUILD_AS_ROOT=y
-  - export CT_ALLOW_BUILD_AS_ROOT_SURE=y
-  - make standalone=y -j$(nproc)
-  - wget -N https://raw.githubusercontent.com/espressif/esptool/master/esptool.py -O xtensa-lx106-elf/bin/esptool.py
+  - git submodule update --init --recursive --depth 1

 - name: firmware
-  image: debian:sid
-  depends_on: [ toolchain ]
+  image: docker-repo.service.intern.lab.or.it:5000/fiatlux-build-env
+  depends_on: [ submodules ]
  commands:
-  - apt update
-  - apt remove --purge -y python2
-  - apt install -y make python3 python3-serial python-is-python3 perl
  - export PATH=$(pwd)/modules/sdk/xtensa-lx106-elf/bin:$PATH
+  - apt update
+  - apt install -y minify
  - make firmware -j$(nproc)

 - name: pcb
-  image: setsoft/kicad_auto
+  image: setsoft/kicad_auto:ki6
  commands:
  - apt update
  - apt install -y make zip
@ -60,7 +36,7 @@ steps:

 - name: unittest
  image: debian:sid
-  depends_on: [ patch ]
+  depends_on: [ firmware ]
  commands:
  - apt update
  - apt install -y make
@ -83,9 +59,11 @@ steps:
    base_url: https://git.neulandlabor.de/
    files: 
      - firmware/firmware/fiatlux.bin
+      - firmware/otaflash.py
+      - pcb/pcb.zip
    checksum:
      - sha512
      - md5
-    title: buildtest
+    title: fiatlux
  when:
    event: tag
--- a/.gitmodules
+++ b/.gitmodules
@ -1,6 +1,9 @@
 [submodule "modules/rtos"]
 	path = modules/rtos
-	url = https://github.com/SuperHouse/esp-open-rtos.git
+	url = https://git.neulandlabor.de/j3d1/esp-open-rtos.git
 [submodule "modules/sdk"]
 	path = modules/sdk
 	url = https://github.com/pfalcon/esp-open-sdk.git
+[submodule "modules/nix"]
+	path = modules/nix
+	url = https://github.com/busti/nixpkgs-esp-dev
--- a/38
+++ b/38
@ -1,21 +1,9 @@
-
 .PHONY: firmware flash firmware_docker case pcb

 all: firmware case pcb

 firmware:
-	+@make -C firmware all
-
-clean:
-	+@make -C firmware clean
-
-firmware_docker:
-	sh -c "docker build -t fiatlux_env docker"
-	sh -c "docker run --volume "$$(pwd)"/firmware:/app/firmware fiatlux_env make -C firmware all"
-
-clean_docker:
-	sh -c "docker build -t fiatlux_env docker"
-	sh -c "docker run --volume "$$(pwd)"/firmware:/app/firmware fiatlux_env make -C firmware clean"
+	+@make -C firmware html all

 flash:
 	+@make -C firmware flash
@ -25,3 +13,27 @@ case:

 pcb:
 	+@make -C pcb all
+
+clean:
+	+@make -C firmware clean
+	+@make -C pcb clean
+
+flash_docker:
+	sh -c "docker build -t fiatlux_firmware_env docker/firmware"
+	sh -c "docker run --volume "$$(pwd)"/firmware:/app/firmware --device=/dev/ttyUSB0 fiatlux_firmware_env make -C firmware flash"
+
+
+firmware_docker:
+	sh -c "docker build -t fiatlux_firmware_env docker/firmware"
+	sh -c "docker run --volume "$$(pwd)"/firmware:/app/firmware fiatlux_firmware_env make -C firmware html all"
+
+pcb_docker:
+	sh -c "docker build -t fiatlux_pcb_env docker/pcb"
+	sh -c "docker run --volume "$$(pwd)"/pcb:/app/pcb fiatlux_pcb_env make -C pcb all"
+
+clean_docker:
+	sh -c "docker build -t fiatlux_firmware_env docker/firmware"
+	sh -c "docker build -t fiatlux_pcb_env docker/pcb"
+	sh -c "docker run --volume "$$(pwd)"/firmware:/app/firmware fiatlux_firmware_env make -C firmware clean"
+	sh -c "docker run --volume "$$(pwd)"/pcb:/app/pcb fiatlux_pcb_env make -C pcb clean"
+
--- a/README.md
+++ b/README.md
@ -13,7 +13,7 @@ git submodule update --init --recursive
 ### Build Requirements

 - make
- - bash gawk perl
+ - bash gawk
 - g++ gcc
 - libc6-dev
 - flex bison
@ -27,6 +27,7 @@ git submodule update --init --recursive
 - ncurses-dev libexpat-dev
 - python3 python3-serial python-dev
   
+ - pip install websocket-client (for otaflash.py, optional)

 ### Build Steps

@ -60,3 +61,11 @@ install `docker` on your platform and buil with
 ```bash
 make firmware_docker -j$(nproc)
 ```
+
+### Build Steps (using nixos)  
+
+In the project root run:
+```
+nix-shell --option sandbox false
+make firmware -j$(nproc)
+```
--- a/docker/firmware/Dockerfile
+++ b/docker/firmware/Dockerfile
@ -6,7 +6,7 @@ RUN cd app; git clone --recursive https://github.com/SuperHouse/esp-open-rtos.gi
 RUN cd app; sed -i 's/GNU bash, version (3\\\.\[1-9\]|4)/GNU bash, version (3.[1-9]|4|5)/g' modules/sdk/crosstool-NG/configure.ac; mkdir -p modules/sdk/crosstool-NG/.build/tarballs; wget https://github.com/libexpat/libexpat/releases/download/R_2_1_0/expat-2.1.0.tar.gz -O modules/sdk/crosstool-NG/.build/tarballs/expat-2.1.0.tar.gz
 RUN cd app/modules/sdk; export CT_EXPERIMENTAL=y; export CT_ALLOW_BUILD_AS_ROOT=y; export CT_ALLOW_BUILD_AS_ROOT_SURE=y; make standalone=y -j$(nproc); wget -N https://raw.githubusercontent.com/espressif/esptool/master/esptool.py -O xtensa-lx106-elf/bin/esptool.py
 USER 0
-RUN apt remove --purge -y python2 && apt autoremove --purge -y && apt install -y python3 python3-serial perl
+RUN apt remove --purge -y python2 && apt autoremove --purge -y && apt install -y python3 python3-serial
 RUN apt install -y --reinstall python-is-python3
 USER 1000
 WORKDIR /app
--- a/docker/pcb/Dockerfile
+++ b/docker/pcb/Dockerfile
@ -0,0 +1,7 @@
+# syntax=docker/dockerfile:1
+FROM setsoft/kicad_auto
+RUN apt update && apt install -y make zip; mkdir /app; chown 1000:1000 /app; cd /app; useradd user
+RUN mkdir -p /home/user; cp -r /root/.config /home/user/.config; chown 1000:1000 -R /home/user
+RUN ls -la /home/user/.config
+USER 1000
+WORKDIR /app
--- a/firmware/.gitignore
+++ b/firmware/.gitignore
@ -142,3 +142,5 @@ dkms.conf

 *.remove
 firmware/
+build/
+compile_commands.json
--- a/firmware/.idea/.gitignore
+++ b/firmware/.idea/.gitignore
@ -0,0 +1,6 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml
--- a/firmware/.idea/firmware.iml
+++ b/firmware/.idea/firmware.iml
@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module classpath="External" external.linked.project.id="firmware" external.linked.project.path="$MODULE_DIR$" external.root.project.path="$MODULE_DIR$" external.system.id="CompDB" type="CPP_MODULE" version="4" />
+<module version="4">
+  <component name="FacetManager">
+    <facet type="Python" name="Python facet">
+      <configuration sdkName="Python 3.9" />
+    </facet>
+  </component>
+</module>
--- a/firmware/.idea/misc.xml
+++ b/firmware/.idea/misc.xml
@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="CompDBSettings">
+    <option name="linkedExternalProjectsSettings">
+      <CompDBProjectSettings>
+        <option name="externalProjectPath" value="$PROJECT_DIR$" />
+        <option name="modules">
+          <set>
+            <option value="$PROJECT_DIR$" />
+          </set>
+        </option>
+      </CompDBProjectSettings>
+    </option>
+  </component>
+  <component name="CompDBWorkspace" PROJECT_DIR="$PROJECT_DIR$" />
+  <component name="ExternalStorageConfigurationManager" enabled="true" />
+</project>
--- a/firmware/.idea/vcs.xml
+++ b/firmware/.idea/vcs.xml
@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$/.." vcs="Git" />
+  </component>
+</project>
--- a/firmware/.idea/watcherTasks.xml
+++ b/firmware/.idea/watcherTasks.xml
@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectTasksOptions">
+    <TaskOptions isEnabled="true">
+      <option name="arguments" value="make -n all" />
+      <option name="checkSyntaxErrors" value="false" />
+      <option name="description" />
+      <option name="exitCodeBehavior" value="ERROR" />
+      <option name="fileExtension" value="mk" />
+      <option name="immediateSync" value="true" />
+      <option name="name" value="Makefile" />
+      <option name="output" value="" />
+      <option name="outputFilters">
+        <array />
+      </option>
+      <option name="outputFromStdout" value="false" />
+      <option name="program" value="compiledb" />
+      <option name="runOnExternalChanges" value="true" />
+      <option name="scopeName" value="Project Files" />
+      <option name="trackOnlyRoot" value="false" />
+      <option name="workingDir" value="$ProjectFileDir$" />
+      <envs />
+    </TaskOptions>
+  </component>
+</project>
--- a/firmware/Makefile
+++ b/firmware/Makefile
@ -1,21 +1,21 @@
 PROGRAM=fiatlux

-EXTRA_CFLAGS=-O3
+EXTRA_CFLAGS=-O3 -Ibuild/gen -DLWIP_NETIF_HOSTNAME=1

-#Enable debugging
-#EXTRA_CFLAGS+=-DLWIP_DEBUG=1 -DHTTPD_DEBUG=LWIP_DBG_ON
-
-EXTRA_COMPONENTS=extras/i2s_dma extras/ws2812_i2s extras/dhcpserver extras/mbedtls extras/sntp extras/cpp_support
+EXTRA_COMPONENTS=extras/i2s_dma extras/ws2812_i2s extras/dhcpserver extras/rboot-ota extras/mbedtls extras/httpd extras/sntp extras/cpp_support extras/paho_mqtt_c

 LIBS = hal m

-FLASH_MODE = dio
+FLASH_MODE = qio

 include ../modules/rtos/common.mk

-html:
+html: build/gen/fsdata.c
+
+build/gen/fsdata.c: webdir/index.html webdir/404.html webdir/css/picnic.min.css webdir/css/style.css webdir/js/smoothie_min.js
 	@echo "Generating fsdata.."
-	cd fsdata && ./makefsdata
+	@mkdir -p $(dir $@)
+	@./mkwebfs.py --gzip --minify -o $@ $^

 test: unittest systest

@ -24,3 +24,5 @@ unittest:

 systest:
 	true
+
+.NOTPARALLEL: html all
--- a/firmware/crc32.c
+++ b/firmware/crc32.c
@ -0,0 +1,71 @@
+//
+// Created by jedi on 02.08.21.
+//
+
+#include "crc32.h"
+
+#define UPDC32(octet, crc) (crc_32_tab[((crc)\
+^ ((uint8_t)octet)) & 0xff] ^ ((crc) >> 8))
+
+static uint32_t crc_32_tab[] = { /* CRC polynomial 0xedb88320 */
+        0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f,
+        0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988,
+        0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91, 0x1db71064, 0x6ab020f2,
+        0xf3b97148, 0x84be41de, 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7,
+        0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9,
+        0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172,
+        0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, 0x35b5a8fa, 0x42b2986c,
+        0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59,
+        0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423,
+        0xcfba9599, 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924,
+        0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190, 0x01db7106,
+        0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433,
+        0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d,
+        0x91646c97, 0xe6635c01, 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e,
+        0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950,
+        0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65,
+        0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 0x4adfa541, 0x3dd895d7,
+        0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0,
+        0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa,
+        0xbe0b1010, 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
+        0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81,
+        0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a,
+        0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683, 0xe3630b12, 0x94643b84,
+        0x0d6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1,
+        0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb,
+        0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc,
+        0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, 0xd6d6a3e8, 0xa1d1937e,
+        0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b,
+        0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55,
+        0x316e8eef, 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236,
+        0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe, 0xb2bd0b28,
+        0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d,
+        0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, 0x9c0906a9, 0xeb0e363f,
+        0x72076785, 0x05005713, 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38,
+        0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242,
+        0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777,
+        0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69,
+        0x616bffd3, 0x166ccf45, 0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2,
+        0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc,
+        0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
+        0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693,
+        0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94,
+        0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d
+};
+
+uint32_t updateCRC32(uint8_t ch, uint32_t crc) {
+    return UPDC32(ch, crc);
+}
+
+uint32_t crc32_partial(uint32_t init, uint8_t *buf, uint32_t len) {
+    register uint32_t oldcrc32;
+    oldcrc32 = ~init;
+    for (; len; --len, ++buf) {
+        oldcrc32 = UPDC32(*buf, oldcrc32);
+    }
+    return ~oldcrc32;
+}
+
+uint32_t crc32(uint8_t *data, uint32_t len) {
+    return crc32_partial(0, data, len);
+}
--- a/firmware/crc32.h
+++ b/firmware/crc32.h
@ -0,0 +1,14 @@
+//
+// Created by jedi on 02.08.21.
+//
+
+#ifndef FIRMWARE_CRC32_H
+#define FIRMWARE_CRC32_H
+
+#include <stdint.h>
+
+uint32_t crc32_partial(uint32_t init, uint8_t *data, uint32_t len);
+
+uint32_t crc32(uint8_t *data, uint32_t len);
+
+#endif //FIRMWARE_CRC32_H
--- a/firmware/fiatlux.c
+++ b/firmware/fiatlux.c
@ -1,12 +1,15 @@
-#include <espressif/esp_common.h>
-#include <esp/uart.h>
-#include <stdio.h>
-
+#include "system.h"
 #include "wifi.h"
 #include "web.h"
 #include "mqtt.h"
 #include "lux.h"

+#include <stdio.h>
+#include <FreeRTOS.h>
+#include <task.h>
+
+#include <espressif/esp_common.h>
+#include <esp/uart.h>

 void user_init(void)
 {
@ -15,5 +18,13 @@ void user_init(void)

    sdk_wifi_set_sleep_type(WIFI_SLEEP_MODEM);

-    while(1);
+    system_init_config();
+
+    wifi_available_semaphore = xSemaphoreCreateBinary();
+
+    xTaskCreate(wifi_task, "wifi_task", 1024, NULL, 1, NULL);
+
+    xTaskCreate(&httpd_task, "httpd_task", 1024, NULL, 2, NULL);
+
+    xTaskCreate(&lux_task, "lux_task", 512, NULL, 1, NULL);
 }
--- a/firmware/log.cpp
+++ b/firmware/log.cpp
@ -0,0 +1,49 @@
+//
+// Created by jedi on 18.11.21.
+//
+
+#include "log.h"
+
+#include <espressif/esp_common.h>
+
+constexpr unsigned syslog_buffer_size = 1024;
+char syslog_buf[syslog_buffer_size];
+volatile unsigned head = 0;
+volatile unsigned streams = 0;
+
+extern "C" void syslog(const char *msg) {
+    printf("syslog> %s", msg);
+    while (char c = *msg++) {
+        syslog_buf[head++ % syslog_buffer_size] = c;
+    }
+    syslog_buf[head] = 0;
+}
+
+unsigned syslog_current_tail() {
+    if(head < syslog_buffer_size)
+        return 0;
+    return head + 1 - syslog_buffer_size;
+}
+
+unsigned syslog_data_after(unsigned local_tail) {
+    if(local_tail > head)
+        return 0;
+    return (head % syslog_buffer_size) - (local_tail % syslog_buffer_size);
+}
+
+extern "C" int syslog_copy_out(char *out, int len, unsigned local_tail) {
+    unsigned cnt = 0;
+    while (cnt < syslog_data_after(local_tail) && cnt < len) {
+        out[cnt] = syslog_buf[local_tail % syslog_buffer_size + cnt];
+        cnt++;
+    }
+    return cnt;
+}
+
+extern "C" void syslog_attach() {
+    streams++;
+}
+
+extern "C" void syslog_detach() {
+    streams--;
+}
--- a/firmware/log.h
+++ b/firmware/log.h
@ -0,0 +1,28 @@
+//
+// Created by jedi on 18.11.21.
+//
+
+#ifndef FIRMWARE_LOG_H
+#define FIRMWARE_LOG_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void syslog(const char *);
+
+unsigned syslog_current_tail();
+
+unsigned syslog_data_after(unsigned);
+
+int syslog_copy_out(char *, int, unsigned);
+
+void syslog_attach();
+
+void syslog_detach();
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif //FIRMWARE_LOG_H
--- a/firmware/lux.cpp
+++ b/firmware/lux.cpp
@ -1,3 +1,32 @@
 //
 // Created by jedi on 25.06.21.
 //
+
+#include "lux.h"
+
+#include <string.h>
+#include <FreeRTOS.h>
+#include <task.h>
+
+#include <esp/spi.h>
+
+const int signal_led_pin = 2;
+
+const int cs0 = 15;
+const int gpio4 = 4;
+const int gpio5 = 5;
+
+extern "C" void signal_led(bool state) {
+    gpio_write(signal_led_pin, !state);
+}
+
+extern "C" void lux_task(void *pvParameters) {
+
+    gpio_enable(signal_led_pin, GPIO_OUTPUT);
+    gpio_enable(cs0, GPIO_OUTPUT);
+    gpio_enable(gpio4, GPIO_OUTPUT);
+    gpio_enable(gpio5, GPIO_OUTPUT);
+    spi_init(1, SPI_MODE0, SPI_FREQ_DIV_1M, 1, SPI_BIG_ENDIAN, 1);
+
+    vTaskDelete(nullptr);
+}
--- a/firmware/lux.h
+++ b/firmware/lux.h
@ -9,6 +9,10 @@
 extern "C" {
 #endif

+void lux_task(void *pvParameters);
+
+void signal_led(bool state);
+
 #ifdef __cplusplus
 }
 #endif
--- a/firmware/mkwebfs.py
+++ b/firmware/mkwebfs.py
@ -0,0 +1,130 @@
+#!/usr/bin/env python3
+import os
+import gzip
+import argparse
+import subprocess
+
+parser = argparse.ArgumentParser()
+parser.add_argument('-o', '--output', help='Output file name', default='stdout')
+parser.add_argument('-W', '--webroot', help='Output file name', default='webdir/')
+parser.add_argument('--gzip', dest='gzip', action='store_true')
+parser.add_argument('--no-gzip', dest='gzip', action='store_false')
+parser.set_defaults(gzip=False)
+parser.add_argument('--minify', dest='minify', action='store_true')
+parser.add_argument('--no-minify', dest='minify', action='store_false')
+parser.set_defaults(minify=False)
+parser.add_argument('--header', dest='header', action='store_true')
+parser.add_argument('--no-header', dest='header', action='store_false')
+parser.set_defaults(header=True)
+parser.add_argument('input', nargs='+', default=os.getcwd())
+args = parser.parse_args()
+
+
+def mimeFromName(name):
+    if name.endswith(".html") or name.endswith(".htm") or name.endswith(".shtml") or name.endswith(
+            ".shtm") or name.endswith(".ssi"):
+        return "text/html"
+    if name.endswith(".js"):
+        return "application/x-javascript"
+    if name.endswith(".css"):
+        return "text/css"
+    if name.endswith(".ico"):
+        return "image/x-icon"
+    if name.endswith(".gif"):
+        return "image/gif"
+    if name.endswith(".png"):
+        return "image/png"
+    if name.endswith(".jpg"):
+        return "image/jpeg"
+    if name.endswith(".bmp"):
+        return "image/bmp"
+    if name.endswith(".class"):
+        return "application/octet-stream"
+    if name.endswith(".ram"):
+        return "audio/x-pn-realaudio"
+    return "text/plain"
+
+
+def dumpBin2CHex(f, b):
+    oStr = "\t"
+    n = 0
+    for val in b:
+        oStr += hex(val) + ", "
+        n += 1
+        if n % 8 == 0:
+            oStr += "\n\t"
+    oStr += "\n"
+    f.write(oStr)
+
+
+f_fsdata_c = open(args.output, 'w')
+f_fsdata_c.write('#include "httpd/fsdata.h"\n\n')
+
+httpFiles = [file for file in args.input if (args.webroot in file)]
+
+lastFileStruct = "NULL"
+
+for file in httpFiles:
+    response = b''
+
+    webPath = ("/" + file.removeprefix(args.webroot)).replace("//", "/")
+    print("{} > {}".format(file, webPath))
+
+    mimeType = mimeFromName(file)
+
+    if args.header:
+        if ("404" in file):
+            response = b'HTTP/1.0 404 File not found\r\n'
+        else:
+            response = b'HTTP/1.0 200 OK\r\n'
+        response += b"lwIP/1.4.1 (http://savannah.nongnu.org/projects/lwip)\r\n"
+        response += b'Content-type: ' + mimeType.encode() + b'\r\n'
+
+        binFile = open(file, 'rb')
+        binData = binFile.read()
+        compEff = False
+        if args.minify:
+            p = subprocess.Popen(["minify", "--html-keep-document-tags", "--mime", mimeType], stdin=subprocess.PIPE,
+                                 stdout=subprocess.PIPE)
+            minData = p.communicate(binData)[0]
+            if len(minData) < len(binData):
+                print("- Minify: {} -> {}".format(len(binData), len(minData)))
+                compEff = True
+                binData = minData
+
+        if args.gzip:
+            compData = gzip.compress(binData, 9)
+            if len(compData) < len(binData):
+                compEff = True
+                print("- Compressed from {} to {}".format(len(binData), len(compData)))
+                binData = compData
+            else:
+                print("- Compression skipped Orig: {} Comp: {}".format(len(binData), len(compData)))
+        binFile.close()
+
+        if compEff:
+            response += b'Content-Encoding: gzip\r\n'
+        response += b"\r\n"
+        response += binData
+        binFile.close()
+        escFile = file.replace("/", "_").replace(".", "_")
+        escFileData = "data_" + escFile
+        escFileFile = "file_" + escFile
+
+        f_fsdata_c.write('static const unsigned char {}[] = {{\n'.format(escFileData))
+        f_fsdata_c.write('\t/* LOCAL:{} */\n'.format(file))
+        f_fsdata_c.write('\t/* WEB:  {} */\n'.format(webPath))
+        fnameBin = webPath.encode("ascii") + b'\0'
+        dumpBin2CHex(f_fsdata_c, fnameBin)
+        dumpBin2CHex(f_fsdata_c, response)
+        f_fsdata_c.write("};\n\n")
+
+        f_fsdata_c.write("const struct fsdata_file {}[] = {{{{\n  {},\n  {}, {} + {}, sizeof({}) - {}, 1 }}}};\n\n"
+                         .format(escFileFile, lastFileStruct, escFileData, escFileData, len(fnameBin), escFileData,
+                                 len(fnameBin)))
+        # TODO: The last value is 1 if args.header == True
+        lastFileStruct = escFileFile
+
+f_fsdata_c.write("\n")
+f_fsdata_c.write("#define FS_ROOT {}\n\n".format(lastFileStruct))
+f_fsdata_c.write("#define FS_NUMFILES {}\n\n".format(len(httpFiles)))
--- a/firmware/otaflash.py
+++ b/firmware/otaflash.py
@ -0,0 +1,73 @@
+#!/usr/bin/env python3
+
+import time
+import websocket
+import argparse
+import zlib
+from websocket import WebSocketTimeoutException
+
+parser = argparse.ArgumentParser(description='Update fiatlux firmware via websocket.')
+parser.add_argument("binfile")
+parser.add_argument("address")
+
+args = parser.parse_args()
+
+bs = 1024
+
+
+def parse_reply(bytes):
+    cmd = bytes[0:1].decode("utf-8")
+    ret = int.from_bytes(bytes[1:2], "big")
+    val = int.from_bytes(bytes[2:4], "big")
+    return {'cmd': cmd, 'ret': ret, 'val': val}
+
+
+with open(args.binfile, "rb") as f:
+    try:
+        ws = websocket.WebSocket()
+        print("send {}".format(args.binfile))
+        ws.connect("ws://" + args.address)
+        i = 0
+        bytes = f.read()
+        rolling = zlib.crc32(bytes)
+        total = len(bytes)
+        while True:
+            chunk = bytes[bs * i:bs * i + bs]
+            msg = b'F\x00\x00\x00'
+            msg += i.to_bytes(2, 'big')
+            msg += len(chunk).to_bytes(2, 'big')
+            msg += (zlib.crc32(chunk) & 0xffffffff).to_bytes(4, 'big')
+            msg += chunk
+            ws.send(msg)
+            print("\r{:6.2f}%".format(100 * i * bs / total), end='')
+            reply = parse_reply(ws.recv())
+            if reply['cmd'] == 'F' and reply['ret'] == 0:
+                i += 1
+            elif reply['cmd'] == 'F' and reply['ret'] == 1:
+                print("Error: SEQUENCE_OUT_OF_ORDER")
+                i = reply['val']
+            elif reply['cmd'] == 'F' and reply['ret'] == 2:
+                print("Error: CHECKSUM_MISMATCH")
+                i = reply['val']
+            else:
+                print(reply)
+
+            time.sleep(0.05)
+            if len(chunk) != bs:
+                break
+
+        print("\rdone      ")
+        msg = b'C\x00\x00\x00'
+        msg += total.to_bytes(4, 'big')
+        msg += (rolling).to_bytes(4, 'big')
+        ws.settimeout(5)
+        ws.send(msg)
+        reply = parse_reply(ws.recv())
+        print(reply)
+        ws.close()
+    except WebSocketTimeoutException:
+        pass
+    except ConnectionResetError:
+        pass
+    except KeyboardInterrupt:
+        pass
--- a/firmware/system.c
+++ b/firmware/system.c
@ -3,11 +3,120 @@
 //

 #include "system.h"
+#include "crc32.h"
+#include "log.h"

 #include <FreeRTOS.h>
-#include <task.h>
 #include <sysparam.h>
 #include <spiflash.h>

-#include <espressif/esp_common.h>
 #include <espressif/user_interface.h>
+#include <espressif/esp_system.h>
+#include <rboot/rboot.h>
+#include <rboot-ota/rboot-api.h>
+#include <string.h>
+
+#define min(a, b) \
+ ({ __typeof__ (a) _a = (a); \
+ __typeof__ (b) _b = (b); \
+ _a < _b ? _a : _b; })
+
+void system_clear_config() {
+    vPortEnterCritical();
+    uint32_t num_sectors = 0x2000 / sdk_flashchip.sector_size;
+    uint32_t start = 0x00100000;
+    for (uint32_t i = 0; i < num_sectors; i++) {
+        spiflash_erase_sector(start + i * sdk_flashchip.sector_size);
+    }
+    if(sysparam_create_area(start, num_sectors, true) == SYSPARAM_OK) {
+        sysparam_init(start, 0);
+    }
+    sysparam_init(start, start + 0x2000);
+    sdk_system_restart();
+}
+
+void system_init_config() {
+    uint32_t base_addr = 0x00100000;
+    uint32_t num_sectors;
+    sysparam_init(base_addr, 0);
+    if(sysparam_get_info(&base_addr, &num_sectors) != SYSPARAM_OK) {
+        syslog("Warning: WiFi config, sysparam not initialized\n");
+        num_sectors = 0x2000 / sdk_flashchip.sector_size;
+        if(sysparam_create_area(base_addr, num_sectors, true) == SYSPARAM_OK) {
+            sysparam_init(base_addr, 0);
+        }
+        sdk_system_restart();
+    }
+}
+
+#define MAX_IMAGE_SIZE 0x100000
+
+struct {
+    rboot_write_status status;
+    uint32_t head;
+    uint32_t base;
+    uint16_t seq;
+    uint8_t slot;
+} otaflash_context;
+
+void system_otaflash_init() {
+    rboot_config conf;
+    conf = rboot_get_config();
+    otaflash_context.slot = (conf.current_rom + 1) % conf.count;
+    otaflash_context.base = rboot_get_slot_offset(otaflash_context.slot);
+    otaflash_context.status = rboot_write_init(otaflash_context.base);
+    otaflash_context.head = otaflash_context.base;
+    otaflash_context.seq = 0;
+}
+
+enum return_code system_otaflash_chunk(uint8_t *data, uint16_t len, uint16_t seq, uint32_t hash, uint16_t *ack) {
+    uint32_t local_hash = crc32(data, len);
+    if(hash == local_hash && otaflash_context.seq == seq) {
+        if(otaflash_context.head % SECTOR_SIZE == 0) {
+            sdk_spi_flash_erase_sector(otaflash_context.head / SECTOR_SIZE);
+        }
+        if(((uint32_t) data) % 4) {
+            uint32 buf[len / 4];
+            memcpy(buf, data, len);
+            sdk_spi_flash_write(otaflash_context.head, buf, len);
+        } else {
+            sdk_spi_flash_write(otaflash_context.head, (uint32_t *) data, len);
+        }
+        otaflash_context.head += len;
+        otaflash_context.seq++;
+        return OK;
+    } else if(hash != local_hash) {
+        return CHECKSUM_MISMATCH;
+    } else {
+        if(ack)
+            *ack = otaflash_context.seq;
+        return SEQUENCE_OUT_OF_ORDER;
+    }
+
+}
+
+void system_otaflash_verify_chunk(void *ctx, void *data, size_t len) {
+    uint32_t digest = *(uint32_t *) ctx;
+    digest = crc32_partial(digest, data, len);
+    *(uint32_t *) ctx = digest;
+}
+
+enum return_code system_otaflash_verify_and_switch(uint32_t len, uint32_t hash) {
+
+    uint32_t digest = 0;
+    rboot_digest_image(otaflash_context.base, min(len, MAX_IMAGE_SIZE), system_otaflash_verify_chunk, &digest);
+
+    if(hash != digest) {
+        syslog("OTA failed to verify firmware\r\n");
+        return CHECKSUM_MISMATCH;
+    }
+
+    vPortEnterCritical();
+    if(!rboot_set_current_rom(otaflash_context.slot)) {
+        syslog("OTA Update failed to set new rboot slot\r\n");
+        vPortExitCritical();
+        return RBOOT_SWITCH_FAILED;
+    }
+    vPortExitCritical();
+    return OK;
+}
--- a/firmware/system.h
+++ b/firmware/system.h
@ -5,10 +5,23 @@
 #ifndef FIRMWARE_SYSTEM_H
 #define FIRMWARE_SYSTEM_H

+#include <stdint.h>
+#include "types.h"
+
 #ifdef __cplusplus
 extern "C" {
 #endif

+void system_clear_config();
+
+void system_init_config();
+
+void system_otaflash_init();
+
+enum return_code system_otaflash_chunk(uint8_t *data, uint16_t len, uint16_t seq, uint32_t hash, uint16_t *ack);
+
+enum return_code system_otaflash_verify_and_switch(uint32_t len, uint32_t hash);
+
 #ifdef __cplusplus
 }
 #endif
--- a/firmware/types.h
+++ b/firmware/types.h
@ -0,0 +1,20 @@
+//
+// Created by jedi on 09.09.21.
+//
+
+#ifndef FIRMWARE_TYPES_H
+#define FIRMWARE_TYPES_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+enum return_code {
+    OK = 0, SEQUENCE_OUT_OF_ORDER, CHECKSUM_MISMATCH, RBOOT_SWITCH_FAILED, ERROR = 0xFF
+};
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif //FIRMWARE_TYPES_H
--- a/firmware/web.cpp
+++ b/firmware/web.cpp
@ -1,3 +1,339 @@
 //
 // Created by jedi on 25.06.21.
 //
+
+#include "web.h"
+#include "system.h"
+#include "lux.h"
+#include "wifi.h"
+#include "log.h"
+
+#include <cstring>
+#include <FreeRTOS.h>
+#include <task.h>
+
+extern "C" {
+#include <sysparam.h>
+#include <lwipopts.h>
+}
+
+#include <espressif/esp_common.h>
+#include <lwip/tcp.h>
+
+extern "C" {
+#include <httpd/httpd.h>
+}
+
+#define vTaskDelayMs(ms) vTaskDelay((ms) / portTICK_PERIOD_MS)
+
+struct {
+    bool global;
+    bool connection;
+    bool wifi;
+} has_changed;
+
+void websocket_task(void *pvParameter) {
+    auto *pcb = (struct tcp_pcb *) pvParameter;
+
+    size_t connstarttime = xTaskGetTickCount();
+    has_changed = {true, true, true};
+    syslog_attach();
+    unsigned local_log_tail = syslog_current_tail();
+
+    for (;;) {
+        if(pcb == nullptr || pcb->state != ESTABLISHED) {
+            syslog("Connection closed, deleting task\n");
+            break;
+        }
+
+        //Syslog
+        if(syslog_data_after(local_log_tail) != 0) {
+            char response[128];
+            response[0] = 'L';
+            size_t len = syslog_copy_out(&response[4], 124, local_log_tail);
+            response[1] = len;
+            ((uint16_t &) response[2]) = local_log_tail & 0xFFFF;
+            if(len < sizeof(response)) {
+                LOCK_TCPIP_CORE();
+                websocket_write(pcb, (unsigned char *) response, len + 4, WS_BIN_MODE);
+                local_log_tail += len;
+                UNLOCK_TCPIP_CORE();
+            } else
+                syslog("buffer too small -1\n");
+            vTaskDelayMs(1000);
+        }
+
+        //Global Info
+        if(has_changed.global) {
+            timeval tv{};
+            gettimeofday(&tv, nullptr);
+            size_t uptime = xTaskGetTickCount() * portTICK_PERIOD_MS / 1000;
+            int heap = (int) xPortGetFreeHeapSize();
+            uint32_t chip_id = sdk_system_get_chip_id();
+            uint32_t flash_id = sdk_spi_flash_get_id();
+            uint32_t flash_size = sdk_flashchip.chip_size >> 10;
+            char *hostname = nullptr;
+
+            sysparam_get_string("hostname", &hostname);
+            /* Generate response in JSON format */
+            char response[192];
+            size_t len = snprintf(response, sizeof(response),
+                                  "{\"walltime\" : \"%d\","
+                                  "\"uptime\" : \"%d\","
+                                  " \"heap\" : \"%d\","
+                                  " \"chipid\" : \"%08x\","
+                                  " \"flashid\" : \"0x%08x\","
+                                  " \"flashsize\" : \"%u\","
+                                  " \"hostname\" : \"%s\""
+                                  "}", (int) tv.tv_sec, uptime, heap, chip_id, flash_id, flash_size, hostname);
+            free(hostname);
+            if(len < sizeof(response)) {
+                LOCK_TCPIP_CORE();
+                websocket_write(pcb, (unsigned char *) response, len, WS_TEXT_MODE);
+                has_changed.global = false;
+                UNLOCK_TCPIP_CORE();
+            } else
+                syslog("buffer too small 0\n");
+            vTaskDelayMs(1000);
+        }
+
+        //Connection Info
+        if(has_changed.connection) {
+            timeval tv{};
+            gettimeofday(&tv, nullptr);
+            size_t connuptime = (xTaskGetTickCount() - connstarttime) * portTICK_PERIOD_MS / 1000;
+
+            printf("conn %d: " IPSTR " <-> " IPSTR " \n", pcb->netif_idx, IP2STR(&pcb->local_ip),
+                   IP2STR(&pcb->remote_ip));
+            char response[192];
+            size_t len = snprintf(response, sizeof(response),
+                                  "{\"connage\" : \"%d\","
+                                  "\"clientip\" : \"" IPSTR "\""
+                                  "}", connuptime, IP2STR(&pcb->remote_ip));
+            if(len < sizeof(response)) {
+                LOCK_TCPIP_CORE();
+                websocket_write(pcb, (unsigned char *) response, len, WS_TEXT_MODE);
+                has_changed.connection = false;
+                UNLOCK_TCPIP_CORE();
+            } else
+                syslog("buffer too small 1\n");
+            vTaskDelayMs(1000);
+        }
+
+        if(has_changed.wifi) {
+            has_changed.wifi = false;
+            uint8_t opmode = sdk_wifi_get_opmode();
+            const char *opmode_str = "??";
+            switch (opmode) {
+                case NULL_MODE:
+                    opmode_str = "Null";
+                    break;
+                case STATION_MODE:
+                    opmode_str = "Station";
+                    break;
+                case SOFTAP_MODE:
+                    opmode_str = "SoftAP";
+                    break;
+                case STATIONAP_MODE:
+                    opmode_str = "StationAP";
+                    break;
+                default:
+                    break;
+            }
+
+
+            /*struct sockaddr_storage addr;
+            socklen_t addr_len = sizeof(addr);
+            if (getpeername(s, (struct sockaddr *)&addr, &addr_len) == 0) {
+                printf("peer\n");
+            }*/
+
+
+            if(opmode == SOFTAP_MODE || opmode == STATIONAP_MODE) {
+                uint8_t hwaddr[6];
+                sdk_wifi_get_macaddr(SOFTAP_IF, hwaddr);
+                ip_info info{};
+                sdk_wifi_get_ip_info(SOFTAP_IF, &info);
+
+                char *apssid = nullptr;
+                sysparam_get_string("wifi_ap_ssid", &apssid);
+
+                /* Generate response in JSON format */
+                char response[128];
+                size_t len = snprintf(response, sizeof(response),
+                                      "{\"opmode\" : \"%s\","
+                                      " \"apssid\" : \"%s\","
+                                      " \"apip\" : \"" IPSTR "\","
+                                      " \"apmac\" : \"" MACSTR "\""
+                                      "}", opmode_str, apssid, IP2STR(&info.ip), MAC2STR(hwaddr));
+                free(apssid);
+                if(len < sizeof(response)) {
+                    LOCK_TCPIP_CORE();
+                    websocket_write(pcb, (unsigned char *) response, len, WS_TEXT_MODE);
+                    UNLOCK_TCPIP_CORE();
+                } else
+                    syslog("buffer too small 2\n");
+            }
+
+            vTaskDelayMs(1000);
+
+            if(opmode == STATION_MODE || opmode == STATIONAP_MODE) {
+                uint8_t hwaddr[6];
+                sdk_wifi_get_macaddr(STATION_IF, hwaddr);
+                ip_info info{};
+                sdk_wifi_get_ip_info(STATION_IF, &info);
+                char *stassid = nullptr;
+                sysparam_get_string("wifi_sta_ssid", &stassid);
+
+                /* Generate response in JSON format */
+                char response[128];
+                size_t len = snprintf(response, sizeof(response),
+                                      "{\"opmode\" : \"%s\","
+                                      " \"stassid\" : \"%s\","
+                                      " \"staip\" : \"" IPSTR "\","
+                                      " \"stamac\" : \"" MACSTR "\""
+                                      "}", opmode_str, stassid, IP2STR(&info.ip), MAC2STR(hwaddr));
+                free(stassid);
+                if(len < sizeof(response)) {
+                    LOCK_TCPIP_CORE();
+                    websocket_write(pcb, (unsigned char *) response, len, WS_TEXT_MODE);
+                    UNLOCK_TCPIP_CORE();
+                } else
+                    syslog("buffer too small 3\n");
+            }
+
+        }
+
+        vTaskDelayMs(500);
+    }
+
+    syslog_detach();
+
+    vTaskDelete(nullptr);
+}
+
+struct fw_frame {
+    char t;
+    uint8_t reserved[3];
+    uint16_t seq;
+    uint16_t len;
+    uint32_t hash;
+    uint8_t data[];
+} __attribute__((packed));
+
+struct fw_check {
+    char t;
+    uint8_t reserved[3];
+    uint32_t len;
+    uint32_t hash;
+} __attribute__((packed));
+
+/**
+ * This function is called when websocket frame is received.
+ *
+ * Note: this function is executed on TCP thread and should return as soon
+ * as possible.
+ */
+void websocket_cb(struct tcp_pcb *pcb, char *data, u16_t data_len,
+                  uint8_t /*mode*/) { //mode should be WS_BIN_MODE or WS_TEXT_MODE
+
+    uint8_t response[4];
+    auto &cmd = (char &) response[0];
+    auto &ret = response[1];
+    auto &val = (uint16_t &) response[2];
+    cmd = '0';
+    ret = ERROR;
+    val = 0;
+
+    bool togl = false;
+
+    switch (data[0]) {
+        case 'R': // Restart
+            cmd = 'R';
+            ret = OK;
+            break;
+        case 'X': // Clear Config
+            cmd = 'X';
+            ret = OK;
+            break;
+        case 'D': // Disable LED
+            syslog("G\n");
+            signal_led(false);
+            cmd = 'G';
+            ret = OK;
+            val = 1;
+            break;
+        case 'E': // Enable LED
+            syslog("E\n");
+            signal_led(true);
+            cmd = 'G';
+            ret = OK;
+            val = 0;
+            break;
+        case 'F':
+            togl = !togl;
+            signal_led(togl);
+            {
+                auto *f = (fw_frame *) data;
+                if(f->seq == 0) {
+                    system_otaflash_init();
+                }
+                uint16_t ack = 0;
+                ret = system_otaflash_chunk(f->data, ntohs(f->len), ntohs(f->seq), ntohl(f->hash), &ack);
+                val = htons(ack);
+            }
+            cmd = 'F';
+            break;
+        case 'C':
+            signal_led(false);
+            {
+                auto *f = (fw_check *) data;
+                ret = system_otaflash_verify_and_switch(ntohl(f->len), ntohl(f->hash));
+            }
+            cmd = 'C';
+            break;
+        default:
+            printf("[websocket_callback]:\n%.*s\n", (int) data_len, (char *) data);
+            printf("Unknown command %c\n", data[0]);
+            ret = ERROR;
+            break;
+    }
+
+    LOCK_TCPIP_CORE();
+    websocket_write(pcb, response, 4, WS_BIN_MODE);
+    UNLOCK_TCPIP_CORE();
+
+    if(ret == OK) {
+        if(cmd == 'R' || cmd == 'C') { // Restart
+            printf("rebooting now");
+            vTaskDelay(1000 / portTICK_PERIOD_MS);
+            vPortEnterCritical();
+            sdk_system_restart();
+        } else if(cmd == 'X') { // Clear Config
+            vTaskDelay(1000 / portTICK_PERIOD_MS);
+            system_clear_config();
+        }
+    }
+}
+
+/**
+ * This function is called when new websocket is open and
+ * creates a new websocket_task if requested URI equals '/stream'.
+ */
+void websocket_open_cb(struct tcp_pcb *pcb, const char *uri) {
+    printf("WS URI: %s\n", uri);
+    if(!strcmp(uri, "/stream")) {
+        xTaskCreate(&websocket_task, "websocket_task", 512, (void *) pcb, 3, nullptr);
+    }
+}
+
+extern "C" void httpd_task(void *pvParameters) {
+    (void) pvParameters;
+
+    while (!uxSemaphoreGetCount(wifi_available_semaphore))
+        vTaskDelay(500 / portTICK_PERIOD_MS);
+    websocket_register_callbacks((tWsOpenHandler) websocket_open_cb, (tWsHandler) websocket_cb);
+    httpd_init();
+
+    vTaskDelete(nullptr);
+}
--- a/firmware/web.h
+++ b/firmware/web.h
@ -9,6 +9,8 @@
 extern "C" {
 #endif

+void httpd_task(void *pvParameters);
+
 #ifdef __cplusplus
 }
 #endif
--- a/firmware/webdir/404.html
+++ b/firmware/webdir/404.html
@ -0,0 +1,22 @@
+<!DOCTYPE html>
+<html>
+<head>
+	<meta charset="utf-8">
+	<meta name="viewport" content="width=device-width, user-scalable=no">
+	<link rel="shortcut icon" href="img/favicon.png">
+	<title>HTTP Server</title>
+</head>
+<body>
+<ul class="navbar">
+	<li><a href="/">Home</a></li>
+	<li><a href="websockets">WebSockets</a></li>
+	<li><a href="about">About</a></li>
+</ul>
+
+<div class="grid main">
+	<h1>404 - Page not found</h1>
+	<div class="alert alert-error">Sorry, the page you are requesting was not found on this server.</div>
+</div>
+</body>
+</html>
+
--- a/firmware/webdir/css/picnic.min.css
+++ b/firmware/webdir/css/picnic.min.css
--- a/firmware/webdir/css/style.css
+++ b/firmware/webdir/css/style.css
@ -0,0 +1,55 @@
+main {
+	padding: 4em 2em 2em 2em;
+	max-width: 960px;
+	width: 100%;
+	margin-left: auto;
+	margin-right: auto;
+}
+
+canvas {
+	width: 100%;
+}
+
+main section:target ~ section, main section#io, main section#wifi, main section#ota {
+	display: none;
+}
+
+main section:target {
+	display: block !important;
+}
+
+.table {
+	width: 100%;
+	display: table;
+}
+
+.table > .row {
+	display: table-row;
+}
+
+.table > .row:nth-child(2n) {
+	background: rgba(17, 17, 17, 0.05);
+}
+
+.table > .row > * {
+    display: table-cell;
+    padding: .3em .6em .3em .6em;
+}
+
+.table > header.row > * {
+	text-align: left;
+	font-weight: 900;
+	color: #fff;
+	background-color: #0074d9;
+}
+
+.table > .row > input {
+	border: none;
+	background: none;
+	font-weight: 900;
+}
+
+.plain {
+	opacity: initial;
+	width: initial;
+}
--- a/firmware/webdir/index.html
+++ b/firmware/webdir/index.html
@ -0,0 +1,444 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="utf-8"/>
+    <title>fiatlux v0.2</title>
+    <link rel="stylesheet" href="css/picnic.min.css">
+    <link rel="stylesheet" href="css/style.css">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+</head>
+<body>
+<nav>
+    <a href="#" class="brand">
+        <span>fiatlux v0.2</span>
+        <span class="label warning" id="status_box">Loading...</span>
+    </a>
+    <input id="bmenub" type="checkbox" class="show">
+    <label for="bmenub" class="burger pseudo button">&#9776;</label>
+    <div class="menu">
+        <a href="/#" class="button icon-picture">Dashboard</a>
+        <a href="/#ota" class="button icon-picture">System</a>
+    </div>
+</nav>
+<main id="page">
+    <section id="ota">
+        <h2>System</h2>
+        <article class="card">
+            <header>
+                <h3>Firmware Update</h3>
+            </header>
+            <div class="table">
+                <div class="row">
+                    <span><input id="firmware_file" type="file" onchange="load_firmware(event)"/></span>
+                </div>
+                <div class="row">
+                    <div class="full" id="progress_ct_ota">
+                        <div id="progress_bar_ota"
+                             style="background:#0074d9; display: block; width:9%; color: #fff"></div>
+                    </div>
+                </div>
+                <div class="row">
+                    <span><input id="transmit_firmware" disabled type="submit" value="Upload"
+                                 onclick="transmit_firmware(event)"></span>
+                </div>
+            </div>
+        </article>
+        <article class="card">
+            <header>
+                <h3>Restart</h3>
+            </header>
+            <div class="table">
+                <div class="row">
+                    <span><input type="submit" value="Restart" onclick="wsWrite('R')"></span>
+                </div>
+            </div>
+        </article>
+        <article class="card">
+            <header>
+                <h3>Reset Config</h3>
+            </header>
+            <div class="table">
+                <div class="row">
+                    <span><input type="submit" class="warning" value="Reset" onclick="wsWrite('X')"></span>
+                </div>
+            </div>
+        </article>
+        <article class="card">
+            <header>
+                <h3>Syslog</h3>
+            </header>
+            <div class="table">
+                <div class="row">
+                    <pre id="syslog"></pre>
+                </div>
+            </div>
+        </article>
+
+    </section>
+    <section id="dashboard">
+        <h2>Status</h2>
+        <div class="flex">
+            <div>
+                <article class="card">
+                    <header>
+                        <h3>System</h3>
+                    </header>
+                    <div class="table">
+                        <div class="row">
+                            <span>Chip ID</span>
+                            <span><span class="postfill_chipid">N/A</span></span>
+                        </div>
+                        <div class="row">
+                            <span>Hostname</span>
+                            <span><span class="postfill_hostname">N/A</span></span>
+                        </div>
+                        <div class="row">
+                            <span>Firmware Version</span>
+                            <span>N/A</span>
+                        </div>
+                        <div class="row">
+                            <span>Flash ID</span>
+                            <span><span class="postfill_flashid">N/A</span></span>
+                        </div>
+                        <div class="row">
+                            <span>Flash size</span>
+                            <span><span class="postfill_flashsize">N/A</span> KiB</span>
+                        </div>
+                        <div class="row">
+                            <span>Free heap</span>
+                            <span><span class="postfill_heap">N/A</span> bytes</span>
+                        </div>
+                        <div class="row">
+                            <span>Uptime</span>
+                            <span><span class="postfill_uptime">N/A</span> s</span>
+                        </div>
+                    </div>
+                </article>
+            </div>
+            <div>
+                <article class="card">
+                    <header>
+                        <h3>Network <span class="label success postfill_clientip">current connection</span></h3>
+                    </header>
+                    <div class="table">
+                        <div class="row">
+                            <span>Mode</span>
+                            <span><span class="postfill_opmode">N/A</span></span>
+                        </div>
+                        <div class="row">
+                            <span>Station SSID</span>
+                            <span><span class="postfill_stassid">N/A</span></span>
+                        </div>
+                        <div class="row">
+                            <span>Station IP</span>
+                            <span><span class="postfill_staip">N/A</span></span>
+                        </div>
+                        <div class="row">
+                            <span>Station MAC</span>
+                            <span><span class="postfill_stamac">N/A</span></span>
+                        </div>
+                        <div class="row">
+                            <span>AP SSID</span>
+                            <span><span class="postfill_apssid">N/A</span></span>
+                        </div>
+                        <div class="row">
+                            <span>AP IP</span>
+                            <span><span class="postfill_apip">N/A</span></span>
+                        </div>
+                        <div class="row">
+                            <span>AP MAC</span>
+                            <span><span class="postfill_apmac">N/A</span></span>
+                        </div>
+                    </div>
+                </article>
+            </div>
+            <div>
+                <article class="card">
+                    <header>
+                        <h3>Power</h3>
+                    </header>
+                    <div class="table">
+                        <div class="row">
+                            <span>Input</span>
+                            <span><span class="label success">5V</span><span class="label success">12V</span></span>
+                        </div>
+                        <div class="row">
+                            <span>Output</span>
+                            <span><span class="label warning"><span id="out_voltage">11.2</span>V</span></span>
+                        </div>
+                    </div>
+                    <canvas id="chartCanvas" style="height:100px"></canvas>
+                </article>
+            </div>
+            <div>
+                <article class="card">
+                    <header>
+                        <h3>I/O</h3>
+                    </header>
+                    <footer>
+                        <label>
+                            <input type="checkbox" name="onoffswitch" id="led-switch" onclick="gpio()">
+                            <span class="toggle button">toggle signal led</span>
+                        </label>
+                    </footer>
+                </article>
+            </div>
+        </div>
+    </section>
+</main>
+<div id="unused_values" style="display:none;"></div>
+<script type="text/javascript" src="js/smoothie_min.js"></script>
+<script>
+    var menu = document.getElementById("bmenub");
+    var voltage = document.getElementById("out_voltage");
+    var syslog = document.getElementById("syslog");
+
+    var unused_values = {};
+
+    DataView.prototype.setChar = function (pos, char) {
+        this.setInt8(pos++, char.charCodeAt(0));
+        return pos;
+    };
+
+    DataView.prototype.getChar = function (pos) {
+        return String.fromCharCode(this.getInt8(pos));
+    };
+
+    DataView.prototype.setString = function (pos, str) {
+        for (var i = 0; i < str.length; i++) {
+            this.setInt8(pos++, str.charCodeAt(i));
+        }
+        this.setInt8(pos++, 0);
+        return pos;
+    };
+
+    var ws;
+    var retries;
+    var series = new TimeSeries();
+
+    function setMsg(cls, text) {
+        sbox = document.getElementById('status_box');
+        sbox.className = "label " + cls;
+        sbox.innerHTML = text;
+        console.info(text);
+    }
+
+    function startPolling() {
+        var chart = new SmoothieChart({
+            millisPerPixel: 111, grid: {fillStyle: '#ffffff', strokeStyle: '#ffffff', borderVisible: false},
+            labels: {fillStyle: '#000000'}, maxValue: 1024, minValue: 0
+        });
+        chart.addTimeSeries(series, {lineWidth: 2, strokeStyle: '#03a9f4', fillStyle: '#f1f5fa'});
+        var canvas = document.getElementById("chartCanvas");
+        canvas.width = canvas.clientWidth;
+        canvas.height = canvas.clientHeight;
+        chart.streamTo(canvas, 500);
+    }
+
+    var receive_chunk_confirmation = () => {
+    };
+
+    function onMessage(evt) {
+        retries = 0;
+        if (typeof evt.data == 'string') {
+            var data = JSON.parse(evt.data);
+            for (const [key, value] of Object.entries(data)) {
+                const elements = document.querySelectorAll(".postfill_" + key);
+                if (!elements.length)
+                    unused_values[key] = value;
+                else
+                    for (i = 0; i < elements.length; ++i) {
+                        elements[i].innerHTML = value;
+                    }
+            }
+            document.getElementById("unused_values").innerHTML = JSON.stringify(unused_values);
+        } else {
+            var dv = new DataView(evt.data);
+            var cmd = String.fromCharCode(dv.getUint8(0));
+            var val = dv.getUint16(1);
+
+            if (cmd === 'G')
+                console.log("LED switched", val);
+            else if ((cmd === 'F') || (cmd === "C")) {
+                receive_chunk_confirmation(dv);
+            } else if (cmd === 'V') {
+                voltage.innerHTML = (val * 13 / 1024).toFixed(2);
+                series.append(new Date().getTime(), val);
+            } else if (cmd === 'L') {
+                var len = dv.getUint8(1);
+                var offset = dv.getUint16(2);
+                var str = "";
+                for (var i = 0; i < len; i++)
+                    str += dv.getChar(4 + i);
+                syslog.innerHTML = syslog.innerHTML.slice(0, offset) + str;
+            } else
+                console.log('unknown command', cmd, val);
+        }
+    }
+
+    function wsOpen() {
+        var uri = "/stream";
+        if (ws === undefined || ws.readyState !== 0) {
+            if (retries)
+                setMsg("warning", "WebSocket timeout, retrying..");
+            else
+                setMsg("primary", "Opening WebSocket..");
+            ws = new WebSocket("ws://" + location.host + uri);
+            ws.binaryType = 'arraybuffer';
+            ws.onopen = function (evt) {
+                retries = 0;
+                setMsg("success", "WebSocket is open.");
+            };
+            ws.onerror = function (evt) {
+                console.error(evt);
+                setMsg("error", "WebSocket error!"); /*window.location.reload(true);*/
+            };
+            ws.onclose = function (evt) {
+                msgStyle = "warning";
+                if (!evt.wasClean) msgStyle = "error";
+                setMsg(msgStyle, "WebSocket closed!");
+                setTimeout(() => wsOpen(), 0);
+            };
+            ws.onmessage = function (evt) {
+                onMessage(evt);
+            };
+            retries = 0;
+        }
+    }
+
+    function buf2hex(buffer) { // buffer is an ArrayBuffer
+        return [...new Uint8Array(buffer)].map(x => x.toString(16).padStart(2, '0')).join('');
+    }
+
+    function wsWrite(data) {
+        //console.info(buf2hex(data));
+        if (ws.readyState === 3 || retries++ > 5)
+            wsOpen();
+        else if (ws.readyState === 1)
+            ws.send(data);
+    }
+
+    function gpio() {
+        if (document.getElementById('led-switch').checked)
+            wsWrite('E');
+        else
+            wsWrite('D');
+    }
+
+    window.onload = function () {
+        wsOpen();
+        startPolling();
+    }
+
+    var makeCRCTable = function () {
+        var c;
+        var crcTable = [];
+        for (var n = 0; n < 256; n++) {
+            c = n;
+            for (var k = 0; k < 8; k++) {
+                c = ((c & 1) ? (0xEDB88320 ^ (c >>> 1)) : (c >>> 1));
+            }
+            crcTable[n] = c;
+        }
+        return crcTable;
+    }
+
+    var crc32 = function (buf) {
+        const bufview = new DataView(buf);
+        var crcTable = window.crcTable || (window.crcTable = makeCRCTable());
+        var crc = 0 ^ (-1);
+
+        for (var i = 0; i < bufview.byteLength; i++) {
+            crc = (crc >>> 8) ^ crcTable[(crc ^ bufview.getInt8(i)) & 0xFF];
+        }
+
+        return (crc ^ (-1)) >>> 0;
+    };
+
+    var firmware_file;
+
+    function load_firmware(evt) {
+        var file = evt.target.files[0];
+        if (!file) {
+            return;
+        }
+        var reader = new FileReader();
+        reader.onload = function (e) {
+            firmware_file = e.target.result;
+            document.getElementById("transmit_firmware").disabled = false;
+        };
+        reader.readAsArrayBuffer(file)
+    }
+
+    const chunk_size = 512;
+
+    function transmit_firmware_chunk(buf, i) {
+        return new Promise((resolve, reject) => {
+            const begin = i * chunk_size;
+            const end = Math.min((i + 1) * chunk_size, buf.byteLength);
+            const slice = buf.slice(begin, end)
+            var header = new ArrayBuffer(12);
+            var headerview = new DataView(header);
+            headerview.setChar(0, 'F');
+            headerview.setInt16(4, i);
+            headerview.setInt16(6, (end - begin));
+            headerview.setInt32(8, crc32(slice));
+            var frame = new Uint8Array(12 + slice.byteLength);
+            frame.set(new Uint8Array(header), 0);
+            frame.set(new Uint8Array(slice), 12);
+            receive_chunk_confirmation = (dv) => {
+                setTimeout(() => {
+                    resolve({cmd: dv.getChar(0), ret: dv.getUint8(1), val: dv.getUint16(2)});
+                }, 50);
+            }
+            setTimeout(() => {
+                reject({frame_error: i});
+            }, 2000);
+            wsWrite(frame.buffer);
+        });
+    }
+
+    function transmit_firmware_final(buf, hash) {
+        return new Promise((resolve, reject) => {
+            var frame = new ArrayBuffer(12);
+            var headerview = new DataView(frame);
+            headerview.setChar(0, 'C');
+            headerview.setInt32(4, buf.byteLength);
+            headerview.setInt32(8, hash);
+            receive_chunk_confirmation = (dv) => {
+                resolve({cmd: dv.getChar(0), ret: dv.getUint8(1), val: dv.getUint16(2)});
+            }
+            setTimeout(() => {
+                reject({final_error: 0});
+            }, 500);
+            wsWrite(frame);
+        });
+    }
+
+    function transmit_firmware(evt) {
+        console.log("transmit_firmware begin");
+        if (firmware_file) {
+            (async () => {
+                const ash = crc32(firmware_file);
+                for (var i = 0; i * chunk_size < firmware_file.byteLength; i++) {
+                    update_progress("ota", i * chunk_size / firmware_file.byteLength * 100);
+                    const reply = await transmit_firmware_chunk(firmware_file, i);
+                    console.log("reply", reply)
+                }
+                await transmit_firmware_final(firmware_file, crc32(firmware_file));
+                update_progress("ota", 100);
+            })().then(() => {
+                console.log("transmit_firmware done");
+            })
+        }
+    }
+
+    function update_progress(progressBar, progress) {
+        var iP = Math.floor(progress);
+        var dBar = document.getElementById("progress_bar_" + progressBar);
+        dBar.innerText = iP + "%";
+        dBar.style.width = progress + "%";
+    }
+</script>
+</body>
+</html>
--- a/firmware/webdir/js/smoothie_min.js
+++ b/firmware/webdir/js/smoothie_min.js
--- a/firmware/wifi.cpp
+++ b/firmware/wifi.cpp
@ -3,3 +3,359 @@
 //

 #include "wifi.h"
+#include "log.h"
+
+#include <cstdlib>
+#include <cstring>
+#include <FreeRTOS.h>
+#include <task.h>
+#include <sockets.h>
+
+extern "C" {
+#include <sysparam.h>
+#include <lwipopts.h>
+#include <espressif/user_interface.h>
+}
+
+#include <espressif/esp_wifi.h>
+#include <espressif/esp_sta.h>
+#include <espressif/esp_softap.h>
+#include <dhcpserver.h>
+
+const char *wificfg_default_ssid = "fiatlux_%02X%02X%02X";
+const char *wificfg_default_password = "fiatlux02";
+const char *wificfg_default_hostname = "fiatlux-%02x%02x%02x";
+
+char *wifi_sta_ssid = nullptr;
+char *wifi_sta_password = nullptr;
+char *wifi_ap_ssid = nullptr;
+char *wifi_ap_password = nullptr;
+
+SemaphoreHandle_t wifi_available_semaphore = nullptr;
+
+[[noreturn]] static void dns_task(void *pvParameters) {
+    char *wifi_ap_ip_addr = nullptr;
+    sysparam_get_string("wifi_ap_ip_addr", &wifi_ap_ip_addr);
+    if(!wifi_ap_ip_addr) {
+        syslog("dns: no ip address\n");
+        vTaskDelete(nullptr);
+    }
+    ip4_addr_t server_addr;
+    server_addr.addr = ipaddr_addr(wifi_ap_ip_addr);
+
+#if LWIP_IPV6
+    int fd = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP);
+    sockaddr_in6 serv_addr;
+    memset(&serv_addr, '0', sizeof(serv_addr));
+    serv_addr.sin6_family = AF_INET6;
+    serv_addr.sin6_port = htons(53);
+    serv_addr.sin6_flowinfo = 0;
+    serv_addr.sin6_addr = in6addr_any;
+    serv_addr.sin6_scope_id = IP6_NO_ZONE;
+#else
+    int fd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
+    sockaddr_in serv_addr;
+    memset(&serv_addr, '0', sizeof(serv_addr));
+    serv_addr.sin_family = AF_INET;
+    serv_addr.sin_addr.s_addr = htonl(INADDR_ANY);
+    serv_addr.sin_port = htons(53);
+#endif
+    bind(fd, (sockaddr *) &serv_addr, sizeof(serv_addr));
+
+    const ifreq ifreq0 = {"en0"};
+    const ifreq ifreq1 = {"en1"};
+    setsockopt(fd, SOL_SOCKET, SO_BINDTODEVICE,
+               sdk_wifi_get_opmode() == STATIONAP_MODE ? &ifreq1 : &ifreq0,
+               sizeof(ifreq0));
+
+    for (;;) {
+        uint8_t buffer[96];
+        sockaddr_storage src_addr;
+        socklen_t src_addr_len = sizeof(src_addr);
+        ssize_t count = recvfrom(fd, buffer, sizeof(buffer), 0, (sockaddr *) &src_addr, &src_addr_len);
+
+        /* Drop messages that are too large to send a response in the buffer */
+        if(count > 0 && count + 16 <= (ssize_t) sizeof(buffer)) {
+            size_t qname_len = strlen((const char *) (buffer + 12)) + 1;
+            uint32_t reply_len = 2 + 10 + qname_len + 16 + 4;
+
+            uint8_t *head = buffer + 2;
+            *head++ = 0x80; // Flags
+            *head++ = 0x00;
+            *head++ = 0x00; // Q count
+            *head++ = 0x01;
+            *head++ = 0x00; // A count
+            *head++ = 0x01;
+            *head++ = 0x00; // Auth count
+            *head++ = 0x00;
+            *head++ = 0x00; // Add count
+            *head++ = 0x00;
+            head += qname_len;
+            *head++ = 0x00; // Q type
+            *head++ = 0x01;
+            *head++ = 0x00; // Q class
+            *head++ = 0x01;
+            *head++ = 0xC0; // LBL offs
+            *head++ = 0x0C;
+            *head++ = 0x00; // Type
+            *head++ = 0x01;
+            *head++ = 0x00; // Class
+            *head++ = 0x01;
+            *head++ = 0x00; // TTL
+            *head++ = 0x00;
+            *head++ = 0x00;
+            *head++ = 0x78;
+            *head++ = 0x00; // RD len
+            *head++ = 0x04;
+            *head++ = ip4_addr1(&server_addr);
+            *head++ = ip4_addr2(&server_addr);
+            *head++ = ip4_addr3(&server_addr);
+            *head++ = ip4_addr4(&server_addr);
+
+            sendto(fd, buffer, reply_len, 0, (sockaddr *) &src_addr, src_addr_len);
+        }
+    }
+}
+
+extern "C" void wifi_task(void *pvParameters) {
+    (void) pvParameters;
+    /* Default a hostname. */
+    char *hostname = nullptr;
+    sysparam_get_string("hostname", &hostname);
+    if(!hostname && wificfg_default_hostname) {
+        uint8_t macaddr[6];
+        char name[32];
+        sdk_wifi_get_macaddr(1, macaddr);
+        snprintf(name, sizeof(name), wificfg_default_hostname, macaddr[3],
+                 macaddr[4], macaddr[5]);
+        sysparam_set_string("hostname", name);
+    }
+    if(hostname) {
+        free(hostname);
+    }
+
+    sysparam_get_string("wifi_ap_ssid", &wifi_ap_ssid);
+    sysparam_get_string("wifi_ap_password", &wifi_ap_password);
+    sysparam_get_string("wifi_sta_ssid", &wifi_sta_ssid);
+    sysparam_get_string("wifi_sta_password", &wifi_sta_password);
+
+    int8_t wifi_sta_enable = 1;
+    int8_t wifi_ap_enable = 1;
+    sysparam_get_int8("wifi_sta_enable", &wifi_sta_enable);
+    sysparam_get_int8("wifi_ap_enable", &wifi_ap_enable);
+
+    if(!wifi_sta_enable)
+        wifi_ap_enable = 1;
+
+    int8_t wifi_sta_disabled_restarts = 0;
+    sysparam_get_int8("wifi_sta_disabled_restarts", &wifi_sta_disabled_restarts);
+    if(wifi_sta_disabled_restarts > 0) {
+        wifi_sta_enable = 0;
+        wifi_sta_disabled_restarts--;
+        sysparam_set_int8("wifi_sta_disabled_restarts", wifi_sta_disabled_restarts);
+    }
+
+    int8_t wifi_ap_disabled_restarts = 0;
+    sysparam_get_int8("wifi_ap_disabled_restarts", &wifi_ap_disabled_restarts);
+    if(wifi_ap_disabled_restarts > 0) {
+        wifi_ap_enable = 0;
+        wifi_ap_disabled_restarts--;
+        sysparam_set_int8("wifi_ap_disabled_restarts", wifi_ap_disabled_restarts);
+    }
+
+    /* Validate the configuration. */
+
+    if(wifi_sta_enable && (!wifi_sta_ssid || !wifi_sta_password ||
+                           strlen(wifi_sta_ssid) < 1 ||
+                           strlen(wifi_sta_ssid) > 32 ||
+                           !wifi_sta_password ||
+                           strlen(wifi_sta_password) < 8 ||
+                           strlen(wifi_sta_password) >= 64)) {
+        wifi_sta_enable = 0;
+    }
+
+    if(wifi_ap_enable) {
+        /* Default AP ssid and password. */
+        if(!wifi_ap_ssid && wificfg_default_ssid) {
+            uint8_t macaddr[6];
+            char ssid[32];
+            sdk_wifi_get_macaddr(1, macaddr);
+            snprintf(ssid, sizeof(ssid), wificfg_default_ssid, macaddr[3],
+                     macaddr[4], macaddr[5]);
+            sysparam_set_string("wifi_ap_ssid", ssid);
+            sysparam_get_string("wifi_ap_ssid", &wifi_ap_ssid);
+
+            if(!wifi_ap_password && wificfg_default_password) {
+                sysparam_set_string("wifi_ap_password", wificfg_default_password);
+                sysparam_get_string("wifi_ap_password", &wifi_ap_password);
+            }
+        }
+        printf("ssid: %s\n", wifi_ap_ssid);
+
+        /* If the ssid and password are not valid then disable the AP interface. */
+        if(!wifi_ap_ssid || strlen(wifi_ap_ssid) < 1 || strlen(wifi_ap_ssid) >= 32 ||
+           !wifi_ap_password || strlen(wifi_ap_password) < 8 || strlen(wifi_ap_password) >= 64) {
+            syslog("len err\n");
+            wifi_ap_enable = 0;
+        }
+    }
+
+    int8_t wifi_mode = NULL_MODE;
+    if(wifi_sta_enable && wifi_ap_enable)
+        wifi_mode = STATIONAP_MODE;
+    else if(wifi_sta_enable)
+        wifi_mode = STATION_MODE;
+    else if(wifi_ap_enable)
+        wifi_mode = SOFTAP_MODE;
+    sdk_wifi_set_opmode(wifi_mode);
+
+    if(wifi_sta_enable) {
+        printf("try STA Mode: %s %s\n", wifi_sta_ssid, wifi_sta_password);
+        sdk_station_config config;
+        strcpy((char *) config.ssid, wifi_sta_ssid);
+        strcpy((char *) config.password, wifi_sta_password);
+        config.bssid_set = 0;
+
+        int8_t wifi_sta_dhcp = 1;
+        sysparam_get_int8("wifi_sta_dhcp", &wifi_sta_dhcp);
+
+        if(!wifi_sta_dhcp) {
+            char *wifi_sta_ip_addr = nullptr;
+            char *wifi_sta_netmask = nullptr;
+            char *wifi_sta_gateway = nullptr;
+            sysparam_get_string("wifi_sta_ip_addr", &wifi_sta_ip_addr);
+            sysparam_get_string("wifi_sta_netmask", &wifi_sta_netmask);
+            sysparam_get_string("wifi_sta_gateway", &wifi_sta_gateway);
+
+            if(wifi_sta_ip_addr && strlen(wifi_sta_ip_addr) > 4 &&
+               wifi_sta_netmask && strlen(wifi_sta_netmask) > 4 &&
+               wifi_sta_gateway && strlen(wifi_sta_gateway) > 4) {
+                sdk_wifi_station_dhcpc_stop();
+                ip_info info;
+                memset(&info, 0x0, sizeof(info));
+                info.ip.addr = ipaddr_addr(wifi_sta_ip_addr);
+                info.netmask.addr = ipaddr_addr(wifi_sta_netmask);
+                info.gw.addr = ipaddr_addr(wifi_sta_gateway);
+                sdk_wifi_set_ip_info(STATION_IF, &info);
+            }
+            if(wifi_sta_ip_addr) free(wifi_sta_ip_addr);
+            if(wifi_sta_netmask) free(wifi_sta_netmask);
+            if(wifi_sta_gateway) free(wifi_sta_gateway);
+        }
+
+        sdk_wifi_station_set_config(&config);
+    }
+
+    if(wifi_ap_enable) {
+        printf("try AP Mode: %s %s\n", wifi_ap_ssid, wifi_ap_password);
+/* Read and validate paramenters. */
+        int8_t wifi_ap_ssid_hidden = 0;
+        sysparam_get_int8("wifi_ap_ssid_hidden", &wifi_ap_ssid_hidden);
+        if(wifi_ap_ssid_hidden < 0 || wifi_ap_ssid_hidden > 1) {
+            wifi_ap_ssid_hidden = 1;
+        }
+
+        int8_t wifi_ap_channel = 6;
+        sysparam_get_int8("wifi_ap_channel", &wifi_ap_channel);
+
+#if 0
+        /* AU does not allow channels above 13, although 14 works. */
+        if(wifi_ap_channel > 13) {
+            wifi_ap_channel = 13;
+        }
+        /* US does not allow channels above 11, although they work. */
+        if (wifi_ap_channel > 11) {
+            wifi_ap_channel = 11;
+        }
+#endif
+        if(wifi_ap_channel < 1 || wifi_ap_channel > 14) {
+            wifi_ap_channel = 6;
+        }
+
+        int8_t wifi_ap_authmode = AUTH_WPA_WPA2_PSK;
+        sysparam_get_int8("wifi_ap_authmode", &wifi_ap_authmode);
+        if(wifi_ap_authmode != AUTH_OPEN && wifi_ap_authmode != AUTH_WPA_PSK &&
+           wifi_ap_authmode != AUTH_WPA2_PSK && wifi_ap_authmode != AUTH_WPA_WPA2_PSK) {
+            wifi_ap_authmode = AUTH_WPA_WPA2_PSK;
+        }
+
+        int8_t wifi_ap_max_conn = 3;
+        sysparam_get_int8("wifi_ap_max_conn", &wifi_ap_max_conn);
+        if(wifi_ap_max_conn < 1 || wifi_ap_max_conn > 8) {
+            wifi_ap_max_conn = 3;
+        }
+
+        int32_t wifi_ap_beacon_interval = 100;
+        sysparam_get_int32("wifi_ap_beacon_interval", &wifi_ap_beacon_interval);
+        if(wifi_ap_beacon_interval < 0 || wifi_ap_beacon_interval > 1000) {
+            wifi_ap_beacon_interval = 100;
+        }
+
+        /* Default AP IP address and netmask. */
+        char *wifi_ap_ip_addr = nullptr;
+        sysparam_get_string("wifi_ap_ip_addr", &wifi_ap_ip_addr);
+        if(!wifi_ap_ip_addr) {
+            sysparam_set_string("wifi_ap_ip_addr", "172.16.0.1");
+            sysparam_get_string("wifi_ap_ip_addr", &wifi_ap_ip_addr);
+        }
+        char *wifi_ap_netmask = nullptr;
+        sysparam_get_string("wifi_ap_netmask", &wifi_ap_netmask);
+        if(!wifi_ap_netmask) {
+            sysparam_set_string("wifi_ap_netmask", "255.255.0.0");
+            sysparam_get_string("wifi_ap_netmask", &wifi_ap_netmask);
+        }
+
+        if(strlen(wifi_ap_ip_addr) >= 7 && strlen(wifi_ap_netmask) >= 7) {
+            ip_info ap_ip;
+            ap_ip.ip.addr = ipaddr_addr(wifi_ap_ip_addr);
+            ap_ip.netmask.addr = ipaddr_addr(wifi_ap_netmask);
+            IP4_ADDR(&ap_ip.gw, 0, 0, 0, 0);
+            sdk_wifi_set_ip_info(1, &ap_ip);
+
+            sdk_softap_config ap_config;
+            strcpy((char *) ap_config.ssid, wifi_ap_ssid);
+            ap_config.ssid_len = strlen(wifi_ap_ssid);
+            strcpy((char *) ap_config.password, wifi_ap_password);
+            ap_config.channel = static_cast<uint8_t>(wifi_ap_channel);
+            ap_config.authmode = static_cast<AUTH_MODE>(wifi_ap_authmode);
+            ap_config.ssid_hidden = static_cast<uint8_t>(wifi_ap_ssid_hidden);
+            ap_config.max_connection = static_cast<uint8_t>(wifi_ap_max_conn);
+            ap_config.beacon_interval = static_cast<uint16_t>(wifi_ap_beacon_interval);
+
+            sdk_wifi_softap_set_config(&ap_config);
+
+            int8_t wifi_ap_dhcp_leases = 4;
+            sysparam_get_int8("wifi_ap_dhcp_leases", &wifi_ap_dhcp_leases);
+
+            if(wifi_ap_dhcp_leases) {
+                ip4_addr_t first_client_ip;
+                first_client_ip.addr = ap_ip.ip.addr + htonl(1);
+
+                int8_t wifi_ap_dns = 1;
+                sysparam_get_int8("wifi_ap_dns", &wifi_ap_dns);
+                if(wifi_ap_dns < 0 || wifi_ap_dns > 1)
+                    wifi_ap_dns = 1;
+
+                dhcpserver_start(&first_client_ip, wifi_ap_dhcp_leases);
+                dhcpserver_set_router(&ap_ip.ip);
+                if(wifi_ap_dns) {
+                    dhcpserver_set_dns(&ap_ip.ip);
+                    xTaskCreate(dns_task, "dns_task", 384, nullptr, 2, nullptr);
+                }
+            }
+        }
+
+        free(wifi_ap_ip_addr);
+        free(wifi_ap_netmask);
+    }
+
+    if(wifi_sta_ssid) free(wifi_sta_ssid);
+    if(wifi_sta_password) free(wifi_sta_password);
+    if(wifi_ap_ssid) free(wifi_ap_ssid);
+    if(wifi_ap_password) free(wifi_ap_password);
+
+    xSemaphoreGive(wifi_available_semaphore);
+
+    //monitor loop connection here
+    vTaskDelete(nullptr);
+}
--- a/firmware/wifi.h
+++ b/firmware/wifi.h
@ -5,10 +5,17 @@
 #ifndef FIRMWARE_WIFI_H
 #define FIRMWARE_WIFI_H

+#include <FreeRTOS.h>
+#include <semphr.h>
+
 #ifdef __cplusplus
 extern "C" {
 #endif

+extern SemaphoreHandle_t wifi_available_semaphore;
+
+void wifi_task(void *pvParameters);
+
 #ifdef __cplusplus
 }
 #endif
--- a/modules/nix
+++ b/modules/nix
@ -0,0 +1 @@
+Subproject commit 403461c810ddab0cf498b24df5b5ff92606e4154
--- a/modules/rtos
+++ b/modules/rtos
@ -1 +1 @@
-Subproject commit 503e66a500419e8863998b7ea784c5e26a7a5f7c
+Subproject commit 7faa16b07ce0d606f9525a316990da5b58e61314
--- a/pcb/.gitignore
+++ b/pcb/.gitignore
@ -31,5 +31,8 @@ fp-info-cache
 *.wrl
 *.step

+*-backups/
 gen/
-gen.zip
+pcb.zip
+
+report.txt
--- a/pcb/Makefile
+++ b/pcb/Makefile
@ -1,4 +1,54 @@
-all:
+.NOTPARALLEL:  gen/fab/fiatlux-F_Cu.gbr gen/fab/fiatlux-B_Cu.gbr gen/fab/fiatlux-F_Mask.gbr gen/fab/fiatlux-B_Mask.gbr  gen/fab/fiatlux-F_Paste.gbr gen/fab/fiatlux-B_Paste.gbr gen/fab/fiatlux-F_SilkS.gbr gen/fab/fiatlux-B_SilkS.gbr
+
+all: test fab doc pcb.zip
+
+pcb.zip: fab doc
 	@mkdir -p gen
-	@touch gen/foo
-	@cd gen; zip ../gen.zip *
+	@cd gen; zip -r ../pcb.zip fab.zip fiatlux.csv fiatlux-top-pos.csv fiatlux-front.svg fiatlux-back.svg fiatlux.pdf
+	@cd gen; zip -r ../debug.zip .
+
+test: gen/fiatlux-drc.txt gen/fiatlux-erc.txt
+
+doc: gen/fiatlux.pdf gen/fiatlux-front.svg gen/fiatlux-back.svg
+
+fab: test gen/fab.zip gen/fiatlux.csv gen/fiatlux-top-pos.csv
+
+gen/fab.zip: gen/fab/fiatlux-F_Cu.gbr gen/fab/fiatlux-B_Cu.gbr gen/fab/fiatlux-F_Mask.gbr gen/fab/fiatlux-B_Mask.gbr
+gen/fab.zip: gen/fab/fiatlux-F_Paste.gbr gen/fab/fiatlux-B_Paste.gbr gen/fab/fiatlux-F_SilkS.gbr gen/fab/fiatlux-B_SilkS.gbr
+	@mkdir -p gen/fab
+	@cd gen/fab; zip -r ../fab.zip *.gbr
+
+gen/fiatlux-erc.txt:  fiatlux.kiplot.yaml fiatlux.pro fiatlux.kicad_pcb
+	@mkdir -p gen
+	kibot -d gen -c fiatlux.kiplot.yaml -s update_xml,run_drc -i
+
+gen/fiatlux-drc.txt:  fiatlux.kiplot.yaml fiatlux.pro fiatlux.sch
+	@mkdir -p gen
+	kibot -d gen -c fiatlux.kiplot.yaml -s update_xml,run_erc -i
+
+gen/fab/%.gbr: fiatlux.kiplot.yaml fiatlux.pro fiatlux.kicad_pcb
+	@mkdir -p gen
+	kibot -d gen -c fiatlux.kiplot.yaml -s all print_front gerbers
+
+gen/fiatlux-top-pos.csv: fiatlux.kiplot.yaml fiatlux.pro fiatlux.kicad_pcb
+	@mkdir -p gen
+	kibot -d gen -c fiatlux.kiplot.yaml -s all print_front position
+
+gen/fiatlux.csv: fiatlux.kiplot.yaml fiatlux.pro fiatlux.kicad_pcb
+	@mkdir -p gen
+	kibot -d gen -c fiatlux.kiplot.yaml -s all print_front bom
+
+gen/fiatlux.pdf: fiatlux.kiplot.yaml fiatlux.pro fiatlux.sch
+	@mkdir -p gen
+	kibot -d gen -c fiatlux.kiplot.yaml -s run_drc,run_erc print_sch
+
+gen/fiatlux-front.svg: fiatlux.kicad_pcb
+	@mkdir -p gen
+	pcbdraw --libs default $< $@
+
+gen/fiatlux-back.svg: fiatlux.kicad_pcb
+	@mkdir -p gen
+	pcbdraw --libs default --back $< $@
+
+clean:
+	@rm -rf gen
--- a/pcb/fiatlux.kicad_pcb
+++ b/pcb/fiatlux.kicad_pcb
--- a/pcb/fiatlux.kiplot.yaml
+++ b/pcb/fiatlux.kiplot.yaml
@ -0,0 +1,139 @@
+# Example KiPlot config file
+kiplot:
+  version: 1
+
+preflight:
+  run_erc: true
+  update_xml: true
+  run_drc: true
+  check_zone_fills: false
+  ignore_unconnected: false
+
+# global:
+#   kiauto_wait_start: 60
+#   kiauto_time_out_scale: 2
+
+filters:
+  - name: fix_rotation
+    comment: 'Adjust rotation for JLC'
+    type: rot_footprint
+
+  - name: only_jlc_parts
+    comment: 'Only parts with JLC code'
+    type: generic
+    include_only:
+      - column: 'LCSC#'
+        regex: '^C\d+'
+
+variants:
+  - name: rotated
+    comment: 'Just a place holder for the rotation filter'
+    type: kibom
+    variant: rotated
+    pre_transform: fix_rotation
+
+outputs:
+  - name: 'print_sch'
+    comment: "Print schematic (PDF)"
+    type: pdf_sch_print
+    dir: .
+    options:
+      output: fiatlux.pdf
+
+  - name: 'print_front'
+    comment: "Print F.Cu+Dwgs.User"
+    type: pdf_pcb_print
+    dir: .
+    options:
+      output_name: fiatlux-top.pdf
+    layers:
+      - layer: B.Cu
+      - layer: F.SilkS
+
+  - name: 'gerbers'
+    comment: "Gerbers for the board house"
+    type: gerber
+    dir: fab
+    options:
+      # generic layer options
+      exclude_edge_layer: true
+      exclude_pads_from_silkscreen: false
+      use_aux_axis_as_origin: false
+      plot_sheet_reference: false
+      plot_footprint_refs: true
+      plot_footprint_values: true
+      force_plot_invisible_refs_vals: false
+      tent_vias: true
+
+      # gerber options
+      line_width: 0.1
+      subtract_mask_from_silk: false
+      use_protel_extensions: false
+      gerber_precision: 4.6
+      create_gerber_job_file: true
+      use_gerber_x2_attributes: true
+      use_gerber_net_attributes: true
+
+    layers:
+      - layer: F.Cu
+        suffix: F_Cu
+      - layer: B.Cu
+        suffix: B_Cu
+      - layer: F.SilkS
+        suffix: F_SilkS
+      - layer: B.SilkS
+        suffix: B_SilkS
+      - layer: F.Paste
+        suffix: F_Paste
+      - layer: B.Paste
+        suffix: B_Paste
+      - layer: F.Mask
+        suffix: F_Mask
+      - layer: B.Mask
+        suffix: B_Mask
+      - layer: Edge.Cuts
+        suffix: Edge_Cuts
+
+  - name: 'position'
+    comment: "Pick and place file, JLC style"
+    type: position
+    options:
+      variant: rotated
+      output: '%f-top-pos.%x'
+      format: CSV
+      units: millimeters
+      separate_files_for_front_and_back: false
+      only_smd: true
+      columns:
+        - id: Ref
+          name: Designator
+        - Val
+        - Package
+        - id: PosX
+          name: "Mid X"
+        - id: PosY
+          name: "Mid Y"
+        - id: Rot
+          name: Rotation
+        - id: Side
+          name: Layer
+
+  - name: 'bom'
+    comment: "BoM for JLC"
+    type: bom
+    options:
+      output: '%f.%x'
+      exclude_filter: 'only_jlc_parts'
+      ref_separator: ','
+      columns:
+        - field: Value
+          name: Comment
+        - field: References
+          name: Designator
+        - Footprint
+        - field: 'LCSC#'
+          name: 'LCSC Part #'
+      csv:
+        hide_pcb_info: true
+        hide_stats_info: true
+        quote_all: true
--- a/pcb/fiatlux.pro
+++ b/pcb/fiatlux.pro
@ -1,4 +1,4 @@
-update=Di 04 Mai 2021 20:32:15 CEST
+update=Mo 12 Jul 2021 16:48:53 CEST
 version=1
 last_client=kicad
 [general]
@ -241,7 +241,7 @@ Enabled=0
 [pcbnew/Netclasses]
 [pcbnew/Netclasses/Default]
 Name=Default
-Clearance=0.2
+Clearance=0.127
 TrackWidth=0.25
 ViaDiameter=0.8
 ViaDrill=0.4
--- a/shell.nix
+++ b/shell.nix
@ -0,0 +1 @@
+import ./modules/nix/shell-esp-open-rtos.nix {}
--- a/webapp/.gitignore
+++ b/webapp/.gitignore
@ -0,0 +1,3 @@
+node_modules/
+src/gen/
+package-lock.json
Author	SHA1	Message	Date
jedi	8209a9a936	minify web content Some checks failed continuous-integration/drone/push Build is failing Details	2023-02-12 08:54:29 +01:00
jedi	b10103377d	update ignore files	2022-07-04 21:05:22 +02:00
jedi	d5c10e441d	use hostname in dhcp request All checks were successful continuous-integration/drone/push Build is passing Details	2021-11-21 00:24:19 +01:00
jedi	5466bceb0e	implement syslog via websocket with 1k buffer	2021-11-18 07:40:08 +01:00
jedi	7a627ee1f1	add cli argument for address to otaflash.py	2021-11-18 04:03:53 +01:00
jedi	24f5e4398d	Add error handling to OTA process All checks were successful continuous-integration/drone/push Build is passing Details	2021-09-12 22:00:59 +02:00
Marcus	8f052ecb37	Added Progress bar and Fixed OTA update All checks were successful continuous-integration/drone/push Build is passing Details	2021-09-12 20:59:09 +02:00
7m9	c0228cdf49	Added gzip compression All checks were successful continuous-integration/drone/push Build is passing Details	2021-09-09 14:30:10 +02:00
jedi	5fa1ec14e2	add otaflash.py script to release files All checks were successful continuous-integration/drone/push Build is passing Details continuous-integration/drone/tag Build is passing Details	2021-09-06 23:21:43 +02:00
jedi	09452ef7ab	add minimal OTA Update CLI All checks were successful continuous-integration/drone/push Build is passing Details	2021-08-28 23:48:01 +02:00
jedi	8874fecf15	add basic OTA Update fucionality All checks were successful continuous-integration/drone/push Build is passing Details	2021-08-28 23:44:01 +02:00
jedi	495163060d	switch to css only paging All checks were successful continuous-integration/drone/push Build is passing Details	2021-08-08 12:42:07 +02:00
jedi	c049c04e8e	add pages and menu to web frontend All checks were successful continuous-integration/drone/push Build is passing Details	2021-08-03 02:02:48 +02:00
jedi	9e8f14846a	add crc32 implementation All checks were successful continuous-integration/drone/push Build is passing Details	2021-08-03 01:37:04 +02:00
jedi	0551aff5d1	add some project files All checks were successful continuous-integration/drone/push Build is passing Details	2021-07-29 15:44:42 +02:00
jedi	8eb51b5aa9	create gerber files in CI pipeline All checks were successful continuous-integration/drone/push Build is passing Details	2021-07-23 15:15:28 +02:00
jedi	8c775e9705	add toogle button for signal led in http frontend All checks were successful continuous-integration/drone/push Build is passing Details	2021-07-19 23:39:15 +02:00
jedi	006d281ad6	add basic signal led All checks were successful continuous-integration/drone/push Build is passing Details	2021-07-19 22:55:08 +02:00
jedi	f4d1b53760	add basic websocket All checks were successful continuous-integration/drone/push Build is passing Details	2021-07-19 21:26:10 +02:00
jedi	23cb4a558b	Add simple static webserver All checks were successful continuous-integration/drone/push Build is passing Details	2021-07-19 21:26:10 +02:00
jedi	3dffd0f0d2	update jetbrains projekt files All checks were successful continuous-integration/drone/push Build is passing Details	2021-07-19 03:08:36 +02:00
jedi	727dc8c2ee	add wifi semaphore All checks were successful continuous-integration/drone/push Build is passing Details	2021-07-19 00:18:16 +02:00
jedi	2a55d69ac4	add basic wifi with station and AP modes All checks were successful continuous-integration/drone/push Build is passing Details	2021-07-18 23:13:07 +02:00
busti	f3762ff598	add build environment files for nixpkgs All checks were successful continuous-integration/drone/pr Build is passing Details continuous-integration/drone/push Build is passing Details	2021-07-14 23:31:51 +02:00
jedi	aa1b229b2d	Fix unconnected trace All checks were successful continuous-integration/drone/push Build is passing Details	2021-07-12 17:36:54 +02:00
jedi	d7ef71e89a	Run ERC and DRC in CI Pipeline Some checks failed continuous-integration/drone/push Build is failing Details	2021-07-12 17:32:53 +02:00
jedi	171a11eebf	initialize flash area for config All checks were successful continuous-integration/drone/push Build is passing Details	2021-07-09 21:35:41 +02:00
jedi	283bd6a5c1	change .build.yml to use prebuilt toolchain image All checks were successful continuous-integration/drone/push Build is passing Details	2021-07-08 14:09:46 +02:00
jedi	0edf0e80c2	add function to clear config in flash All checks were successful continuous-integration/drone/push Build is passing Details	2021-07-06 22:55:38 +02:00
jedi	ae31a02a86	ignore compile_commands.json All checks were successful continuous-integration/drone/push Build is passing Details	2021-07-06 17:28:30 +02:00
				`@ -0,0 +1 @@`
				`Subproject commit 403461c810ddab0cf498b24df5b5ff92606e4154`
				`@ -0,0 +1 @@`
				`import ./modules/nix/shell-esp-open-rtos.nix {}`