stash

firmware/Makefile

@@ -1,6 +1,6 @@
 PROGRAM=fiatlux
 
-EXTRA_CFLAGS=-O3 -Ibuild/gen -DLWIP_NETIF_HOSTNAME=1
+EXTRA_CFLAGS=-O3 -Ibuild/gen -DLWIP_NETIF_HOSTNAME=1 -DFLATBUFFERS_PREFER_PRINTF=1
 
 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
 

firmware/fiatlux.c

@@ -11,8 +11,9 @@
 #include <espressif/esp_common.h>
 #include <esp/uart.h>
 
-void user_init(void)
-{
+#define PUB_MSG_LEN 16
+
+void user_init(void) {
     uart_set_baud(0, 115200);
     printf("SDK version: %s\n", sdk_system_get_sdk_version());
 
@@ -22,9 +23,18 @@ void user_init(void)
 
     wifi_available_semaphore = xSemaphoreCreateBinary();
 
+    xTaskCreate(mqtt_task, "mqtt_task", 1024, NULL, 1, NULL);
+
     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);
+
+    wifi_alive = xSemaphoreCreateBinary();
+    publish_queue = xQueueCreate(3, PUB_MSG_LEN);
+
+    xTaskCreate(&beat_task, "beat_task", 256, NULL, 3, NULL);
+
+
 }

firmware/log.cpp

@@ -31,7 +31,7 @@ unsigned syslog_data_after(unsigned local_tail) {
     return (head % syslog_buffer_size) - (local_tail % syslog_buffer_size);
 }
 
-extern "C" int syslog_copy_out(char *out, int len, unsigned local_tail) {
+extern "C" int syslog_copy_out(char *out, unsigned 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];

firmware/log.h

@@ -15,7 +15,7 @@ unsigned syslog_current_tail();
 
 unsigned syslog_data_after(unsigned);
 
-int syslog_copy_out(char *, int, unsigned);
+int syslog_copy_out(char *, unsigned, unsigned);
 
 void syslog_attach();
 

firmware/messages.h

@@ -0,0 +1,76 @@
+//
+// Created by jedi on 13.09.22.
+//
+
+namespace fiatlux {
+    namespace messages {
+        enum id : uint8_t {
+            NONE = 0,
+            RESTART,
+            CLEAR_CONFIG,
+            FIRMWARE_FRAME,
+            FIRMWARE_CHECK,
+            VOLTAGE_INFO,
+            SYSTEM_INFO,
+            count
+        };
+
+        const char* id_to_string(id val){
+            static const char* lookup[] = {
+              "NONE",
+              "RESTART",
+              "CLEAR_CONFIG",
+              "FIRMWARE_FRAME",
+              "FIRMWARE_CHECK",
+              "VOLTAGE_INFO",
+              "SYSTEM_INFO",
+              "out of range"
+            };
+            if(val < id::count)
+                return lookup[val];
+            else
+                return lookup[id::count];
+        }
+
+        template <typename T>
+        struct frame {
+            id cmd;
+            T msg;
+        } __attribute__((packed));
+
+        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));
+
+        struct system_info {
+            unsigned walltime;
+            unsigned uptime;
+            int heap;
+            uint32_t chipid;
+            uint32_t flashid;
+            uint32_t flashsize;
+            /*
+            " \"hostname\" : \"%s\""
+            "}"
+             */
+        } __attribute__((packed));
+
+        struct response {
+            id cmd;
+            uint8_t ret;
+            uint16_t val;
+        } __attribute__((packed));
+    }
+}

firmware/mqtt.cpp

@@ -3,3 +3,163 @@
 //
 
 #include "mqtt.h"
+#include "wifi.h"
+
+#include <stdio.h>
+#include <string.h>
+
+#include <espressif/esp_common.h>
+#include <espressif/user_interface.h>
+
+extern "C" {
+
+#include <paho_mqtt_c/MQTTESP8266.h>
+#include <paho_mqtt_c/MQTTClient.h>
+
+}
+
+#include <semphr.h>
+
+
+/* You can use http://test.mosquitto.org/ to test mqtt_client instead
+ * of setting up your own MQTT server */
+//#define MQTT_HOST ("172.16.0.42")
+#define MQTT_HOST ("10.23.42.187")
+#define MQTT_PORT 1883
+
+#define MQTT_USER NULL
+#define MQTT_PASS NULL
+
+
+#define PUB_MSG_LEN 16
+
+QueueHandle_t publish_queue;
+
+extern "C" void beat_task(void *pvParameters) {
+    TickType_t xLastWakeTime = xTaskGetTickCount();
+    char msg[PUB_MSG_LEN];
+    int count = 0;
+
+    while (1) {
+        vTaskDelayUntil(&xLastWakeTime, 10000 / portTICK_PERIOD_MS);
+        printf("beat\r\n");
+        snprintf(msg, PUB_MSG_LEN, "Beat %d\r\n", count++);
+        if(xQueueSend(publish_queue, (void *) msg, 0) == pdFALSE) {
+            printf("Publish queue overflow.\r\n");
+        }
+    }
+}
+
+static void topic_received(mqtt_message_data_t *md) {
+    int i;
+    mqtt_message_t *message = md->message;
+    printf("Received: ");
+    for (i = 0; i < md->topic->lenstring.len; ++i)
+        printf("%c", md->topic->lenstring.data[i]);
+
+    printf(" = ");
+    for (i = 0; i < (int) message->payloadlen; ++i)
+        printf("%c", ((char *) (message->payload))[i]);
+
+    printf("\r\n");
+}
+
+static const char *get_my_id(void) {
+    // Use MAC address for Station as unique ID
+    static char my_id[13];
+    static bool my_id_done = false;
+    int8_t i;
+    uint8_t x;
+    if(my_id_done)
+        return my_id;
+    if(!sdk_wifi_get_macaddr(STATION_IF, (uint8_t *) my_id))
+        return NULL;
+    for (i = 5; i >= 0; --i) {
+        x = my_id[i] & 0x0F;
+        if(x > 9) x += 7;
+        my_id[i * 2 + 1] = x + '0';
+        x = my_id[i] >> 4;
+        if(x > 9) x += 7;
+        my_id[i * 2] = x + '0';
+    }
+    my_id[12] = '\0';
+    my_id_done = true;
+    return my_id;
+}
+
+extern "C" void mqtt_task(void *pvParameters) {
+    int ret = 0;
+    struct mqtt_network network;
+    mqtt_client_t client = mqtt_client_default;
+    char mqtt_client_id[20];
+    uint8_t mqtt_buf[100];
+    uint8_t mqtt_readbuf[100];
+    mqtt_packet_connect_data_t data = mqtt_packet_connect_data_initializer;
+
+    mqtt_network_new(&network);
+    memset(mqtt_client_id, 0, sizeof(mqtt_client_id));
+    strcpy(mqtt_client_id, "ESP-");
+    strcat(mqtt_client_id, get_my_id());
+
+    while (1) {
+        xSemaphoreTake(wifi_alive, portMAX_DELAY);
+        printf("%s: started\n\r", __func__);
+        printf("%s: (Re)connecting to MQTT server %s ... ", __func__,
+               MQTT_HOST);
+        ret = mqtt_network_connect(&network, MQTT_HOST, MQTT_PORT);
+        if(ret) {
+            printf("error 1: %d\n\r", ret);
+            vTaskDelay(1000 / portTICK_PERIOD_MS);
+            continue;
+        }
+        printf("done\n\r");
+        mqtt_client_new(&client, &network, 5000, mqtt_buf, 100,
+                        mqtt_readbuf, 100);
+
+        data.willFlag = 0;
+        data.MQTTVersion = 3;
+        data.clientID.cstring = mqtt_client_id;
+        data.username.cstring = MQTT_USER;
+        data.password.cstring = MQTT_PASS;
+        data.keepAliveInterval = 10;
+        data.cleansession = 0;
+        printf("Send MQTT connect ... ");
+        ret = mqtt_connect(&client, &data);
+        if(ret) {
+            printf("error 2: %d\n\r", ret);
+            mqtt_network_disconnect(&network);
+            vTaskDelay(1000 / portTICK_PERIOD_MS);
+            continue;
+        }
+        printf("done\r\n");
+        mqtt_subscribe(&client, "/esptopic", MQTT_QOS1, topic_received);
+        xQueueReset(publish_queue);
+
+        while (1) {
+
+            char msg[PUB_MSG_LEN - 1] = "\0";
+            while (xQueueReceive(publish_queue, (void *) msg, 0) ==
+                   pdTRUE) {
+                printf("got message to publish\r\n");
+                mqtt_message_t message;
+                message.payload = msg;
+                message.payloadlen = PUB_MSG_LEN;
+                message.dup = 0;
+                message.qos = MQTT_QOS1;
+                message.retained = 0;
+                ret = mqtt_publish(&client, "/beat", &message);
+                if(ret != MQTT_SUCCESS) {
+                    printf("error while publishing message: %d\n", ret);
+                    break;
+                }
+            }
+
+            ret = mqtt_yield(&client, 1000);
+            if(ret == MQTT_DISCONNECTED)
+                break;
+        }
+        printf("Connection dropped, request restart\n\r");
+        mqtt_network_disconnect(&network);
+        taskYIELD();
+    }
+}

firmware/mqtt.h

@@ -5,10 +5,19 @@
 #ifndef FIRMWARE_MQTT_H
 #define FIRMWARE_MQTT_H
 
+
+#include <FreeRTOS.h>
+#include <queue.h>
+
 #ifdef __cplusplus
 extern "C" {
 #endif
 
+void mqtt_task(void *pvParameters);
+void beat_task(void *pvParameters);
+
+extern QueueHandle_t publish_queue;
+
 #ifdef __cplusplus
 }
 #endif

firmware/web.cpp

@@ -24,12 +24,19 @@ extern "C" {
 #include <httpd/httpd.h>
 }
 
+#include "messages.h"
+
+using namespace fiatlux;
+
 #define vTaskDelayMs(ms) vTaskDelay((ms) / portTICK_PERIOD_MS)
 
+uint16_t voltage_val;
+
 struct {
     bool global;
     bool connection;
     bool wifi;
+    bool voltage;
 } has_changed;
 
 void websocket_task(void *pvParameter) {
@@ -60,11 +67,12 @@ void websocket_task(void *pvParameter) {
                 UNLOCK_TCPIP_CORE();
             } else
                 syslog("buffer too small -1\n");
-            vTaskDelayMs(1000);
+
+            taskYIELD();
         }
 
         //Global Info
-        if(has_changed.global) {
+        if(false && has_changed.global) {
             timeval tv{};
             gettimeofday(&tv, nullptr);
             size_t uptime = xTaskGetTickCount() * portTICK_PERIOD_MS / 1000;
@@ -76,40 +84,35 @@ void websocket_task(void *pvParameter) {
 
             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);
-        }
+            messages::frame<messages::system_info> frame;
+            frame.cmd = messages::SYSTEM_INFO;
+            frame.msg.walltime = tv.tv_sec;
+            frame.msg.uptime = uptime;
+            frame.msg.heap = heap;
+            frame.msg.chipid = chip_id;
+            frame.msg.flashid = flash_id;
+            frame.msg.flashsize = flash_size;
+            //frame.msg. = ; // hostname
 
-        //Connection Info
-        if(has_changed.connection) {
+            free(hostname);
+            /*LOCK_TCPIP_CORE();
+            websocket_write(pcb, (uint8_t * ) &frame, sizeof(frame), WS_BIN_MODE);
+            has_changed.global = false;
+            UNLOCK_TCPIP_CORE();*/
+
+            taskYIELD();
+        } else 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),
+            printf("conn %d: %d.%.%.%d <->  %d.%d.&d.%d \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));
+            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);
@@ -117,10 +120,9 @@ void websocket_task(void *pvParameter) {
                 UNLOCK_TCPIP_CORE();
             } else
                 syslog("buffer too small 1\n");
-            vTaskDelayMs(1000);
-        }
 
-        if(has_changed.wifi) {
+            taskYIELD();
+        } else if(has_changed.wifi) {
             has_changed.wifi = false;
             uint8_t opmode = sdk_wifi_get_opmode();
             const char *opmode_str = "??";
@@ -175,7 +177,7 @@ void websocket_task(void *pvParameter) {
                     syslog("buffer too small 2\n");
             }
 
-            vTaskDelayMs(1000);
+            taskYIELD();
 
             if(opmode == STATION_MODE || opmode == STATIONAP_MODE) {
                 uint8_t hwaddr[6];
@@ -202,9 +204,25 @@ void websocket_task(void *pvParameter) {
                     syslog("buffer too small 3\n");
             }
 
+            taskYIELD();
+        } else if(has_changed.voltage) {
+            has_changed.voltage = false;
+            messages::response res;
+            res.val = voltage_val;
+            res.ret = OK;
+            res.cmd = (messages::id) 'V';
+            LOCK_TCPIP_CORE();
+            websocket_write(pcb, (uint8_t * ) & res, sizeof(res), WS_BIN_MODE);
+            UNLOCK_TCPIP_CORE();
+            taskYIELD();
+        } else {
+            //taskYIELD();
+            //printf("no change a\n");
+            vTaskDelay(50);
+            //printf("no change b\n");
         }
-
-        vTaskDelayMs(500);
+        //printf("9: %d\n",gpio_read(9));
+        //printf("10: %d\n",gpio_read(10));
     }
 
     syslog_detach();
@@ -212,22 +230,6 @@ void websocket_task(void *pvParameter) {
     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.
  *
@@ -237,80 +239,109 @@ struct fw_check {
 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;
+    messages::response res;
+    res.cmd = messages::NONE;
+    res.ret = ERROR;
+    res.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;
+    if(data[0] == 'R') {
+        // Restart
+        res.cmd = (messages::id) 'R';
+        res.ret = OK;
+    } else if(data[0] == 'X') {
+        // Clear Config
+        res.cmd = (messages::id) 'X';
+        res.ret = OK;
+    } else if(data[0] == 'D') {
+        // Disable LED
+        syslog("G\n");
+        signal_led(false);
+        res.cmd = (messages::id) 'G';
+        res.ret = OK;
+        res.val = 1;
+    } else if(data[0] == 'E') {
+        // Enable LED
+        syslog("E\n");
+        signal_led(true);
+        res.cmd = (messages::id) 'G';
+        res.ret = OK;
+        res.val = 0;
+    } else if(data[0] == 'F') {
+        togl = !togl;
+        signal_led(togl);
+        auto *f = (messages::fw_frame *) data;
+        if(f->seq == 0) {
+            system_otaflash_init();
+        }
+        uint16_t ack = 0;
+        res.ret = system_otaflash_chunk(f->data, ntohs(f->len), ntohs(f->seq), ntohl(f->hash), &ack);
+        res.val = htons(ack);
+        res.cmd = (messages::id) 'F';
+    } else if(data[0] == 'C') {
+        signal_led(false);
+        auto *f = (messages::fw_check *) data;
+        res.ret = system_otaflash_verify_and_switch(ntohl(f->len), ntohl(f->hash));
+        res.cmd = (messages::id) 'C';
+    } else if(data[0] == 'S') {
+        int8_t en = 0;
+        if(data[1] == 'E')
+            en = 1;
+        char *ssid = &data[2];
+        size_t ssid_len = strlen(ssid);
+        char *password = &data[3 + ssid_len];
+        size_t password_len = strlen(password);
+        (void) password_len;
+
+        sysparam_set_int8("wifi_sta_enable", en);
+        sysparam_set_string("wifi_sta_ssid", ssid);
+        sysparam_set_string("wifi_sta_password", password);
+
+        //sysparam_get_int8("wifi_sta_dhcp", wifi_sta_dhcp);
+        //sysparam_get_int32("wifi_sta_ip_addr", wifi_sta_ip_addr);
+        //sysparam_get_int32("wifi_sta_netmask", wifi_sta_netmask);
+        //sysparam_get_int32("wifi_sta_gateway", wifi_sta_gateway);
+        res.cmd = (messages::id) 'S';
+    } else if(data[0] == 'A') {
+        int8_t en = 0;
+        uint8_t dns_enable = 0;
+        uint8_t mdns_enable = 0;
+        if(data[1] == 'E')
+            en = 1;
+        char *ssid = &data[2];
+        size_t ssid_len = strlen(ssid);
+        char *password = &data[3 + ssid_len];
+        size_t password_len = strlen(password);
+        (void) password_len;
+
+        sysparam_set_int8("wifi_ap_enable", en);
+        sysparam_set_string("wifi_ap_ssid", ssid);
+        sysparam_set_string("wifi_ap_password", password);
+
+        //sysparam_get_int32("wifi_ap_ip_addr", "172.16.0.1");
+        //sysparam_get_int32("wifi_ap_netmask", "255.255.0.0");
+        //sysparam_set_int8("wifi_ap_dns", dns_enable);
+        //sysparam_set_int8("wifi_ap_mdns", mdns_enable);
+        res.cmd = (messages::id) 'A';
+    } else {
+        printf("[websocket_callback]:\n%.*s\n", (int) data_len, (char *) data);
+        printf("Unknown command %c\n", data[0]);
+        res.ret = ERROR;
     }
 
     LOCK_TCPIP_CORE();
-    websocket_write(pcb, response, 4, WS_BIN_MODE);
+    websocket_write(pcb, (uint8_t * ) & res, sizeof(res), WS_BIN_MODE);
     UNLOCK_TCPIP_CORE();
 
-    if(ret == OK) {
-        if(cmd == 'R' || cmd == 'C') { // Restart
+    if(res.ret == OK) {
+        if(res.cmd == 'R' || res.cmd == 'C') { // Restart
             printf("rebooting now");
-            vTaskDelay(1000 / portTICK_PERIOD_MS);
+            taskYIELD();
             vPortEnterCritical();
             sdk_system_restart();
-        } else if(cmd == 'X') { // Clear Config
-            vTaskDelay(1000 / portTICK_PERIOD_MS);
+        } else if(res.cmd == 'X') { // Clear Config
+            taskYIELD();
             system_clear_config();
         }
     }
@@ -327,13 +358,42 @@ void websocket_open_cb(struct tcp_pcb *pcb, const char *uri) {
     }
 }
 
+/*const char *gpio_cgi_handler(int iIndex, int iNumParams, char *pcParam[], char *pcValue[]) {
+    for (int i = 0; i < iNumParams; i++) {
+        if(strcmp(pcParam[i], "on") == 0) {
+            uint8_t gpio_num = atoi(pcValue[i]);
+            gpio_enable(gpio_num, GPIO_OUTPUT);
+            gpio_write(gpio_num, true);
+        } else if(strcmp(pcParam[i], "off") == 0) {
+            uint8_t gpio_num = atoi(pcValue[i]);
+            gpio_enable(gpio_num, GPIO_OUTPUT);
+            gpio_write(gpio_num, false);
+        } else if(strcmp(pcParam[i], "toggle") == 0) {
+            uint8_t gpio_num = atoi(pcValue[i]);
+            gpio_enable(gpio_num, GPIO_OUTPUT);
+            gpio_toggle(gpio_num);
+        }
+    }
+    return "/index.html";
+}*/
+
 extern "C" void httpd_task(void *pvParameters) {
     (void) pvParameters;
 
-    while (!uxSemaphoreGetCount(wifi_available_semaphore))
-        vTaskDelay(500 / portTICK_PERIOD_MS);
+    //while (!uxSemaphoreGetCount(wifi_available_semaphore))
+    //    vTaskDelay(500 / portTICK_PERIOD_MS);
+    /*tCGI pCGIs[] = {
+            {"/gpio", (tCGIHandler) gpio_cgi_handler},
+    };
+
+    // register handlers and start the server
+    http_set_cgi_handlers(pCGIs, sizeof(pCGIs) / sizeof(pCGIs[0]));*/
     websocket_register_callbacks((tWsOpenHandler) websocket_open_cb, (tWsHandler) websocket_cb);
     httpd_init();
 
-    vTaskDelete(nullptr);
+    while (1) {
+        voltage_val = sdk_system_adc_read();
+        has_changed.voltage = true;
+        vTaskDelayMs(1000);
+    }
 }

firmware/webdir/index.html

@@ -17,6 +17,7 @@
     <label for="bmenub" class="burger pseudo button">&#9776;</label>
     <div class="menu">
         <a href="/#" class="button icon-picture">Dashboard</a>
+        <a href="/#wifi" class="button icon-puzzle">Wifi Settings</a>
         <a href="/#ota" class="button icon-picture">System</a>
     </div>
 </nav>
@@ -75,6 +76,87 @@
         </article>
 
     </section>
+    <section id="wifi">
+        <h2>Wifi Settings</h2>
+        <article class="card">
+            <header>
+                <h3>AP Mode</h3>
+            </header>
+            <div class="table">
+                <div class="row">
+                    <label>Enable</label>
+                    <span><input id="ap_toggle" type="checkbox" class="plain"/></span>
+                </div>
+                <div class="row">
+                    <label>SSID</label>
+                    <span><input id="ap_ssid" type="text" placeholder="SSID"/></span>
+                </div>
+                <div class="row">
+                    <label>Password</label>
+                    <span><input id="ap_pw" type="password" placeholder="Password"/></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 class="row">
+                    <span><input type="reset" class="button"/></span>
+                    <span><input onclick="ap_update();" type="submit" value="Save"></span>
+                </div>
+            </div>
+        </article>
+        <article class="card">
+            <header>
+                <h3>Station Mode <span class="label success">current connection</span></h3>
+            </header>
+            <div class="table">
+                <div class="row">
+                    <label>Eanable</label>
+                    <span><input id="sta_toggle" type="checkbox" class="plain"/></span>
+                </div>
+                <div class="row">
+                    <label>SSID</label>
+                    <span><input id="sta_ssid" type="text" placeholder="SSID"/></span>
+                </div>
+                <div class="row">
+                    <label>Password</label>
+                    <span><input id="sta_pw" type="password" placeholder="Password"/></span>
+                </div>
+                <div class="row">
+                    <label>Use DHCP</label>
+                    <span><input id="sta_shcp" type="checkbox" class="plain"/></span>
+                </div>
+                <div class="row">
+                    <label>Static IP</label>
+                    <span><input id="sta_static_ip" type="text" placeholder="192.168.1.2"/></span>
+                </div>
+                <div class="row">
+                    <label>Static Netmask</label>
+                    <span><input id="sta_static_netmask" type="text" placeholder="255.255.255.0"/></span>
+                </div>
+                <div class="row">
+                    <label>Static Gateway</label>
+                    <span><input id="sta_static_gateway" type="text" placeholder="192.168.1.1"/></span>
+                </div>
+                <div class="row">
+                    <span>Sation 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><input type="reset" class="button"/></span>
+                    <span><input onclick="sta_update();" type="submit" value="Save"></span>
+                </div>
+            </div>
+        </article>
+    </section>
     <section id="dashboard">
         <h2>Status</h2>
         <div class="flex">
@@ -212,6 +294,18 @@
         return pos;
     };
 
+    DataView.prototype.setInt8Vec = function (pos, vec) {
+        for (var i = 0; i < vec.length; i++) {
+            this.setInt8(pos++, vec[i]);
+        }
+        return pos;
+    };
+
+    function colorStringToVec(hex) {
+        var result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex);
+        return result ? [parseInt(result[1], 16), parseInt(result[2], 16), parseInt(result[3], 16)] : null;
+    }
+
     var ws;
     var retries;
     var series = new TimeSeries();
@@ -254,6 +348,7 @@
             document.getElementById("unused_values").innerHTML = JSON.stringify(unused_values);
         } else {
             var dv = new DataView(evt.data);
+            console.log("[0]",dv.getUint8(0));
             var cmd = String.fromCharCode(dv.getUint8(0));
             var val = dv.getUint16(1);
 
@@ -433,6 +528,48 @@
         }
     }
 
+    var sta_toggle = document.getElementById("sta_toggle");
+    var sta_ssid = document.getElementById("sta_ssid");
+    var sta_pw = document.getElementById("sta_pw");
+
+    function sta_update() {
+        var en = sta_toggle.checked;
+
+        const ssid = sta_ssid.value;
+        const password = sta_pw.value;
+
+        const buffer = new ArrayBuffer(ssid.length + password.length + 4);
+        const view1 = new DataView(buffer);
+        var tx_len = 0;
+        view1.setChar(tx_len++, 'S');
+        view1.setChar(tx_len++, (en ? "E" : "D"));
+        tx_len = view1.setString(tx_len, ssid);
+        tx_len = view1.setString(tx_len, password);
+        wsWrite(buffer);
+    }
+
+    var ap_toggle = document.getElementById("ap_toggle");
+    var ap_ssid = document.getElementById("ap_ssid");
+    var ap_pw = document.getElementById("ap_pw");
+
+    function ap_update() {
+        var en = ap_toggle.checked;
+
+        const ssid = ap_ssid.value;
+        const password = ap_pw.value;
+
+        const buffer = new ArrayBuffer(ssid.length + password.length + 4 + 8);
+        const view1 = new DataView(buffer);
+        var tx_len = 0;
+        view1.setChar(tx_len++, 'A');
+        view1.setChar(tx_len++, (en ? "E" : "D"));
+        tx_len = view1.setString(tx_len, ssid);
+        tx_len = view1.setString(tx_len, password);
+        tx_len = view1.setInt8Vec(tx_len, [192, 168, 111, 1]);
+        tx_len = view1.setInt8Vec(tx_len, [255, 255, 255, 0]);
+        wsWrite(buffer);
+    }
+
     function update_progress(progressBar, progress) {
         var iP = Math.floor(progress);
         var dBar = document.getElementById("progress_bar_" + progressBar);

firmware/wifi.cpp

@@ -32,6 +32,7 @@ char *wifi_ap_ssid = nullptr;
 char *wifi_ap_password = nullptr;
 
 SemaphoreHandle_t wifi_available_semaphore = nullptr;
+SemaphoreHandle_t wifi_alive = nullptr;
 
 [[noreturn]] static void dns_task(void *pvParameters) {
     char *wifi_ap_ip_addr = nullptr;
@@ -211,7 +212,7 @@ extern "C" void wifi_task(void *pvParameters) {
 
     if(wifi_sta_enable) {
         printf("try STA Mode: %s %s\n", wifi_sta_ssid, wifi_sta_password);
-        sdk_station_config config;
+        sdk_station_config config{};
         strcpy((char *) config.ssid, wifi_sta_ssid);
         strcpy((char *) config.password, wifi_sta_password);
         config.bssid_set = 0;
@@ -231,7 +232,7 @@ extern "C" void wifi_task(void *pvParameters) {
                wifi_sta_netmask && strlen(wifi_sta_netmask) > 4 &&
                wifi_sta_gateway && strlen(wifi_sta_gateway) > 4) {
                 sdk_wifi_station_dhcpc_stop();
-                ip_info info;
+                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);
@@ -258,16 +259,6 @@ extern "C" void wifi_task(void *pvParameters) {
         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;
         }
@@ -306,13 +297,13 @@ extern "C" void wifi_task(void *pvParameters) {
         }
 
         if(strlen(wifi_ap_ip_addr) >= 7 && strlen(wifi_ap_netmask) >= 7) {
-            ip_info ap_ip;
+            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;
+            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);
@@ -357,5 +348,38 @@ extern "C" void wifi_task(void *pvParameters) {
     xSemaphoreGive(wifi_available_semaphore);
 
     //monitor loop connection here
-    vTaskDelete(nullptr);
+    uint8_t status = 0;
+    uint8_t retries = 30;
+
+    while (1) {
+        while ((status != STATION_GOT_IP) && (retries)) {
+            status = sdk_wifi_station_get_connect_status();
+            printf("%s: status = %d\n\r", __func__, status);
+            if(status == STATION_WRONG_PASSWORD) {
+                printf("WiFi: wrong password\n\r");
+                break;
+            } else if(status == STATION_NO_AP_FOUND) {
+                printf("WiFi: AP not found\n\r");
+                break;
+            } else if(status == STATION_CONNECT_FAIL) {
+                printf("WiFi: connection failed\r\n");
+                break;
+            }
+            vTaskDelay(1000 / portTICK_PERIOD_MS);
+            --retries;
+        }
+        if(status == STATION_GOT_IP) {
+            printf("WiFi: Connected\n\r");
+            xSemaphoreGive(wifi_alive);
+            taskYIELD();
+        }
+
+        while ((status = sdk_wifi_station_get_connect_status()) == STATION_GOT_IP) {
+            xSemaphoreGive(wifi_alive);
+            taskYIELD();
+        }
+        printf("WiFi: disconnected\n\r");
+        sdk_wifi_station_disconnect();
+        vTaskDelay(1000 / portTICK_PERIOD_MS);
+    }
 }

firmware/wifi.h

@@ -13,6 +13,7 @@ extern "C" {
 #endif
 
 extern SemaphoreHandle_t wifi_available_semaphore;
+extern SemaphoreHandle_t wifi_alive;
 
 void wifi_task(void *pvParameters);
 

pcb/.gitignore

@@ -16,6 +16,7 @@ _autosave-*
 *-save.pro
 *-save.kicad_pcb
 fp-info-cache
+*-backups/
 
 # Netlist files (exported from Eeschema)
 *.net