minify web content

.build.yml

@@ -9,17 +9,19 @@ steps:
 - name: submodules
   image: alpine/git
   commands:
-  - git submodule update --init --recursive
+  - git submodule update --init --recursive --depth 1
 
 - name: firmware
   image: docker-repo.service.intern.lab.or.it:5000/fiatlux-build-env
   depends_on: [ submodules ]
   commands:
   - 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
@@ -57,10 +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

.gitmodules

@@ -1,6 +1,6 @@
 [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

Makefile

@@ -1,4 +1,3 @@
-
 .PHONY: firmware flash firmware_docker case pcb
 
 all: firmware case pcb
@@ -19,9 +18,14 @@ 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 all"
+	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"

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
 

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

firmware/.gitignore

@@ -142,5 +142,5 @@ dkms.conf
 
 *.remove
 firmware/
-fsdata/fsdata.c
+build/
 compile_commands.json

firmware/.idea/firmware.iml

@@ -1,2 +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>

firmware/.idea/modules.xml

@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ProjectModuleManager">
-    <modules>
-      <module fileurl="file://$PROJECT_DIR$/.idea/firmware.iml" filepath="$PROJECT_DIR$/.idea/firmware.iml" />
-    </modules>
-  </component>
-</project>

firmware/Makefile

@@ -1,20 +1,21 @@
 PROGRAM=fiatlux
 
-EXTRA_CFLAGS=-O3 -Ifsdata
+EXTRA_CFLAGS=-O3 -Ibuild/gen -DLWIP_NETIF_HOSTNAME=1
 
-EXTRA_COMPONENTS=extras/i2s_dma extras/ws2812_i2s extras/dhcpserver extras/mbedtls extras/httpd 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: fsdata/fsdata.c
+html: build/gen/fsdata.c
 
-fsdata/fsdata.c: fsdata/fs/index.html fsdata/fs/404.html fsdata/fs/css/picnic.min.css fsdata/fs/css/style.css fsdata/fs/js/smoothie_min.js
+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
 

firmware/fiatlux.c

@@ -22,9 +22,9 @@ void user_init(void)
 
     wifi_available_semaphore = xSemaphoreCreateBinary();
 
-    xTaskCreate(wifi_task, "wifi_task", 512, NULL, 2, NULL);
+    xTaskCreate(wifi_task, "wifi_task", 1024, NULL, 1, NULL);
 
-    xTaskCreate(&httpd_task, "httpd_task", 512, NULL, 2, NULL);
+    xTaskCreate(&httpd_task, "httpd_task", 1024, NULL, 2, NULL);
 
     xTaskCreate(&lux_task, "lux_task", 512, NULL, 1, NULL);
 }

firmware/fsdata/fs/404.html

@@ -1,22 +0,0 @@
-<!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>
-

firmware/fsdata/makefsdata

@@ -1,114 +0,0 @@
-#!/usr/bin/perl
-
-$incHttpHeader = 1;
-
-open(OUTPUT, "> fsdata.c");
-print(OUTPUT "#include \"httpd/fsdata.h\"\n\n");
-
-chdir("fs");
-open(FILES, "find . -type f |");
-
-while($file = <FILES>) {
-
-    # Do not include files in CVS directories nor backup files.
-    if($file =~ /(CVS|~)/) {
-        next;
-    }
-
-    chop($file);
-
-    if($incHttpHeader == 1) {
-        open(HEADER, "> /tmp/header") || die $!;
-        if($file =~ /404/) {
-            print(HEADER "HTTP/1.0 404 File not found\r\n");
-        } else {
-            print(HEADER "HTTP/1.0 200 OK\r\n");
-        }
-        print(HEADER "lwIP/1.4.1 (http://savannah.nongnu.org/projects/lwip)\r\n");
-        if($file =~ /\.html$/ || $file =~ /\.htm$/ || $file =~ /\.shtml$/ || $file =~ /\.shtm$/ || $file =~ /\.ssi$/) {
-            print(HEADER "Content-type: text/html\r\n");
-        } elsif($file =~ /\.js$/) {
-            print(HEADER "Content-type: application/x-javascript\r\n\r\n");
-        } elsif($file =~ /\.css$/) {
-            print(HEADER "Content-type: text/css\r\n\r\n");
-        } elsif($file =~ /\.ico$/) {
-            print(HEADER "Content-type: image/x-icon\r\n\r\n");
-        } elsif($file =~ /\.gif$/) {
-            print(HEADER "Content-type: image/gif\r\n");
-        } elsif($file =~ /\.png$/) {
-            print(HEADER "Content-type: image/png\r\n");
-        } elsif($file =~ /\.jpg$/) {
-            print(HEADER "Content-type: image/jpeg\r\n");
-        } elsif($file =~ /\.bmp$/) {
-            print(HEADER "Content-type: image/bmp\r\n\r\n");
-        } elsif($file =~ /\.class$/) {
-            print(HEADER "Content-type: application/octet-stream\r\n");
-        } elsif($file =~ /\.ram$/) {
-            print(HEADER "Content-type: audio/x-pn-realaudio\r\n");
-        } else {
-            print(HEADER "Content-type: text/plain\r\n");
-        }
-        print(HEADER "\r\n");
-        close(HEADER);
-
-        unless($file =~ /\.plain$/ || $file =~ /cgi/) {
-            system("cat /tmp/header $file > /tmp/file");
-        } else {
-            system("cp $file /tmp/file");
-        }
-    } else {
-        system("cp $file /tmp/file");
-    }
-
-    open(FILE, "/tmp/file");
-    unlink("/tmp/file");
-    unlink("/tmp/header");
-
-    $file =~ s/\.//;
-    $fvar = $file;
-    $fvar =~ s-/-_-g;
-    $fvar =~ s-\.-_-g;
-
-    print(OUTPUT "static const unsigned char data".$fvar."[] = {\n");
-    print(OUTPUT "\t/* $file */\n\t");
-    for($j = 0; $j < length($file); $j++) {
-        printf(OUTPUT "0x%02X, ", unpack("C", substr($file, $j, 1)));
-    }
-    printf(OUTPUT "0,\n");
-
-
-    $i = 0;
-    while(read(FILE, $data, 1)) {
-        if($i == 0) {
-            print(OUTPUT "\t");
-        }
-        printf(OUTPUT "0x%02X, ", unpack("C", $data));
-        $i++;
-        if($i == 10) {
-            print(OUTPUT "\n");
-            $i = 0;
-        }
-    }
-    print(OUTPUT "};\n\n");
-    close(FILE);
-    push(@fvars, $fvar);
-    push(@files, $file);
-}
-
-for($i = 0; $i < @fvars; $i++) {
-    $file = $files[$i];
-    $fvar = $fvars[$i];
-
-    if($i == 0) {
-        $prevfile = "NULL";
-    } else {
-        $prevfile = "file" . $fvars[$i - 1];
-    }
-    print(OUTPUT "const struct fsdata_file file".$fvar."[] = {{\n$prevfile,\ndata$fvar, ");
-    print(OUTPUT "data$fvar + ". (length($file) + 1) .",\n");
-    print(OUTPUT "sizeof(data$fvar) - ". (length($file) + 1) .",\n");
-    print(OUTPUT $incHttpHeader."\n}};\n\n");
-}
-
-print(OUTPUT "#define FS_ROOT file$fvars[$i - 1]\n\n");
-print(OUTPUT "#define FS_NUMFILES $i\n");

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--;
+}

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

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)))

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

firmware/system.c

@@ -3,35 +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>
 
-void system_clear_config(){
+#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 = 5 + DEFAULT_SYSPARAM_SECTORS;
-    uint32_t start = sdk_flashchip.chip_size - num_sectors * sdk_flashchip.sector_size;
+    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;
+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) {
-        printf("Warning: WiFi config, sysparam not initialized\n");
-        num_sectors = DEFAULT_SYSPARAM_SECTORS;
-        base_addr = sdk_flashchip.chip_size - (5 + num_sectors) * sdk_flashchip.sector_size;
+        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;
+}

firmware/system.h

@@ -5,13 +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

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

firmware/web.cpp

@@ -6,6 +6,7 @@
 #include "system.h"
 #include "lux.h"
 #include "wifi.h"
+#include "log.h"
 
 #include <cstring>
 #include <FreeRTOS.h>
@@ -36,28 +37,46 @@ void websocket_task(void *pvParameter) {
 
     size_t connstarttime = xTaskGetTickCount();
     has_changed = {true, true, true};
+    syslog_attach();
+    unsigned local_log_tail = syslog_current_tail();
 
     for (;;) {
-        if(pcb == NULL || pcb->state != ESTABLISHED) {
-            printf("Connection closed, deleting task\n");
+        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) {
-            has_changed.global = false;
-            timeval tv;
-            gettimeofday(&tv, NULL);
-            int uptime = xTaskGetTickCount() * portTICK_PERIOD_MS / 1000;
+            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 = NULL;
+            char *hostname = nullptr;
 
             sysparam_get_string("hostname", &hostname);
             /* Generate response in JSON format */
-            char response[160];
+            char response[192];
             size_t len = snprintf(response, sizeof(response),
                                   "{\"walltime\" : \"%d\","
                                   "\"uptime\" : \"%d\","
@@ -71,38 +90,34 @@ void websocket_task(void *pvParameter) {
             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
-                printf("buffer too small 1");
-            vTaskDelayMs(2000);
+                syslog("buffer too small 0\n");
+            vTaskDelayMs(1000);
         }
 
         //Connection Info
         if(has_changed.connection) {
-            has_changed.connection = false;
-            timeval tv;
-            gettimeofday(&tv, NULL);
-            int connuptime = (xTaskGetTickCount() - connstarttime) * portTICK_PERIOD_MS / 1000;
+            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[160];
+            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
-                                  "\""
+                                  "\"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
-                printf("buffer too small 1");
-            vTaskDelayMs(2000);
+                syslog("buffer too small 1\n");
+            vTaskDelayMs(1000);
         }
 
         if(has_changed.wifi) {
@@ -137,10 +152,10 @@ void websocket_task(void *pvParameter) {
             if(opmode == SOFTAP_MODE || opmode == STATIONAP_MODE) {
                 uint8_t hwaddr[6];
                 sdk_wifi_get_macaddr(SOFTAP_IF, hwaddr);
-                ip_info info;
+                ip_info info{};
                 sdk_wifi_get_ip_info(SOFTAP_IF, &info);
 
-                char *apssid = NULL;
+                char *apssid = nullptr;
                 sysparam_get_string("wifi_ap_ssid", &apssid);
 
                 /* Generate response in JSON format */
@@ -148,12 +163,8 @@ void websocket_task(void *pvParameter) {
                 size_t len = snprintf(response, sizeof(response),
                                       "{\"opmode\" : \"%s\","
                                       " \"apssid\" : \"%s\","
-                                      " \"apip\" : \""
-                                      IPSTR
-                                      "\","
-                                      " \"apmac\" : \""
-                                      MACSTR
-                                      "\""
+                                      " \"apip\" : \"" IPSTR "\","
+                                      " \"apmac\" : \"" MACSTR "\""
                                       "}", opmode_str, apssid, IP2STR(&info.ip), MAC2STR(hwaddr));
                 free(apssid);
                 if(len < sizeof(response)) {
@@ -161,15 +172,15 @@ void websocket_task(void *pvParameter) {
                     websocket_write(pcb, (unsigned char *) response, len, WS_TEXT_MODE);
                     UNLOCK_TCPIP_CORE();
                 } else
-                    printf("buffer too small 2");
+                    syslog("buffer too small 2\n");
             }
 
-            vTaskDelayMs(2000);
+            vTaskDelayMs(1000);
 
             if(opmode == STATION_MODE || opmode == STATIONAP_MODE) {
                 uint8_t hwaddr[6];
                 sdk_wifi_get_macaddr(STATION_IF, hwaddr);
-                ip_info info;
+                ip_info info{};
                 sdk_wifi_get_ip_info(STATION_IF, &info);
                 char *stassid = nullptr;
                 sysparam_get_string("wifi_sta_ssid", &stassid);
@@ -179,12 +190,8 @@ void websocket_task(void *pvParameter) {
                 size_t len = snprintf(response, sizeof(response),
                                       "{\"opmode\" : \"%s\","
                                       " \"stassid\" : \"%s\","
-                                      " \"staip\" : \""
-                                      IPSTR
-                                      "\","
-                                      " \"stamac\" : \""
-                                      MACSTR
-                                      "\""
+                                      " \"staip\" : \"" IPSTR "\","
+                                      " \"stamac\" : \"" MACSTR "\""
                                       "}", opmode_str, stassid, IP2STR(&info.ip), MAC2STR(hwaddr));
                 free(stassid);
                 if(len < sizeof(response)) {
@@ -192,62 +199,121 @@ void websocket_task(void *pvParameter) {
                     websocket_write(pcb, (unsigned char *) response, len, WS_TEXT_MODE);
                     UNLOCK_TCPIP_CORE();
                 } else
-                    printf("buffer too small 3");
+                    syslog("buffer too small 3\n");
             }
 
         }
 
         vTaskDelayMs(500);
-        {
-            uint8_t response[3];
-            uint16_t val = 0;
-            val = sdk_system_adc_read();
-            response[2] = (uint8_t) val;
-            response[1] = val >> 8;
-            response[0] = 'V';
-            websocket_write(pcb, response, 3, WS_BIN_MODE);
-        }
-        vTaskDelayMs(500);
     }
 
-    vTaskDelete(NULL);
+    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) {
+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[3];
-    uint16_t val = 0;
-    char cmd = '0';
+    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);
-            val = 1;
             cmd = 'G';
+            ret = OK;
+            val = 1;
             break;
         case 'E': // Enable LED
+            syslog("E\n");
             signal_led(true);
-            val = 0;
             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\n");
-            val = 0;
+            printf("Unknown command %c\n", data[0]);
+            ret = ERROR;
             break;
     }
 
-    response[2] = (uint8_t) val;
-    response[1] = val >> 8;
-    response[0] = cmd;
+    LOCK_TCPIP_CORE();
+    websocket_write(pcb, response, 4, WS_BIN_MODE);
+    UNLOCK_TCPIP_CORE();
 
-    websocket_write(pcb, response, 3, WS_BIN_MODE);
+    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();
+        }
+    }
 }
 
 /**
@@ -262,10 +328,10 @@ void websocket_open_cb(struct tcp_pcb *pcb, const char *uri) {
 }
 
 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();
 

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>
+

firmware/webdir/css/style.css

@@ -6,15 +6,15 @@ main {
 	margin-right: auto;
 }
 
-canvas{
+canvas {
 	width: 100%;
 }
 
-main section:target ~ section, main section#io, main section#wifi,  main section#ota  {
+main section:target ~ section, main section#io, main section#wifi, main section#ota {
 	display: none;
 }
 
-main section:target{
+main section:target {
 	display: block !important;
 }
 
@@ -22,30 +22,34 @@ main section:target{
 	width: 100%;
 	display: table;
 }
-.table>.row{
+
+.table > .row {
 	display: table-row;
 }
-.table>.row:nth-child(2n) {
-	background: rgba(17,17,17,0.05);
+
+.table > .row:nth-child(2n) {
+	background: rgba(17, 17, 17, 0.05);
 }
-.table>.row>*{
-	display: table-cell;
-	padding: .3em 2.4em .3em .6em;
+
+.table > .row > * {
+    display: table-cell;
+    padding: .3em .6em .3em .6em;
 }
-.table>header.row>*{
+
+.table > header.row > * {
 	text-align: left;
 	font-weight: 900;
 	color: #fff;
 	background-color: #0074d9;
 }
 
-.table>.row>input{
+.table > .row > input {
 	border: none;
 	background: none;
 	font-weight: 900;
 }
 
-.plain{
+.plain {
 	opacity: initial;
 	width: initial;
 }

firmware/webdir/index.html

@@ -5,6 +5,7 @@
     <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>
@@ -16,9 +17,64 @@
     <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">
@@ -133,19 +189,23 @@
 <div id="unused_values" style="display:none;"></div>
 <script type="text/javascript" src="js/smoothie_min.js"></script>
 <script>
-    var section = document.getElementById("page");
     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) {
+    DataView.prototype.setChar = function (pos, char) {
         this.setInt8(pos++, char.charCodeAt(0));
         return pos;
     };
 
-    DataView.prototype.setString = function(pos, str) {
-        for(var i = 0; i < str.length; i++) {
+    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);
@@ -160,7 +220,7 @@
         sbox = document.getElementById('status_box');
         sbox.className = "label " + cls;
         sbox.innerHTML = text;
-        console.log(text);
+        console.info(text);
     }
 
     function startPolling() {
@@ -175,6 +235,9 @@
         chart.streamTo(canvas, 500);
     }
 
+    var receive_chunk_confirmation = () => {
+    };
+
     function onMessage(evt) {
         retries = 0;
         if (typeof evt.data == 'string') {
@@ -196,16 +259,25 @@
 
             if (cmd === 'G')
                 console.log("LED switched", val);
-            else if (cmd === 'V') {
+            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"
+        var uri = "/stream";
         if (ws === undefined || ws.readyState !== 0) {
             if (retries)
                 setMsg("warning", "WebSocket timeout, retrying..");
@@ -221,6 +293,12 @@
                 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);
             };
@@ -233,7 +311,7 @@
     }
 
     function wsWrite(data) {
-        console.info(buf2hex(data));
+        //console.info(buf2hex(data));
         if (ws.readyState === 3 || retries++ > 5)
             wsOpen();
         else if (ws.readyState === 1)
@@ -252,6 +330,115 @@
         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>

firmware/wifi.cpp

@@ -3,6 +3,7 @@
 //
 
 #include "wifi.h"
+#include "log.h"
 
 #include <cstdlib>
 #include <cstring>
@@ -36,7 +37,7 @@ SemaphoreHandle_t wifi_available_semaphore = nullptr;
     char *wifi_ap_ip_addr = nullptr;
     sysparam_get_string("wifi_ap_ip_addr", &wifi_ap_ip_addr);
     if(!wifi_ap_ip_addr) {
-        printf("dns: no ip address\n");
+        syslog("dns: no ip address\n");
         vTaskDelete(nullptr);
     }
     ip4_addr_t server_addr;
@@ -194,7 +195,7 @@ extern "C" void wifi_task(void *pvParameters) {
         /* 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) {
-            printf("len err\n");
+            syslog("len err\n");
             wifi_ap_enable = 0;
         }
     }

modules/rtos

@@ -1 +1 @@
-Subproject commit 503e66a500419e8863998b7ea784c5e26a7a5f7c
+Subproject commit 7faa16b07ce0d606f9525a316990da5b58e61314

pcb/.gitignore

@@ -31,6 +31,8 @@ fp-info-cache
 *.wrl
 *.step
 
-*-bak
+*-backups/
 gen/
 pcb.zip
+
+report.txt

webapp/.gitignore

@@ -0,0 +1,3 @@
+node_modules/
+src/gen/
+package-lock.json