Initial commit

src/ledHandler.c

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+// Author: Dirk Jahnke
+// January 24, 2018
+//
+// Manage on board LED of SONOFF device
+//
+#include <stdio.h>
+#include <time.h>
+
+#include "mgos.h"
+#include "mgos_gpio.h"
+#include "mgos_sys_config.h"
+#include "mgos_timers.h"
+
+#include "ledHandler.h"
+
+static int ON_BOARD_LED = 13; /* sonoff basic LED pin */
+
+static LEDStatus currentStatus = LED_OFF;
+static int numTicksLedHasThisState = 0;
+
+void set_led_status(LEDStatus newStatus) {
+    numTicksLedHasThisState = 0;
+    currentStatus = newStatus;
+    LOG(LL_DEBUG, ("set_led_status to %d", newStatus));
+}
+
+static uint8_t led_timer_ticks = 0;  /* for led blinker use */
+
+static void blink_on_board_led_cb(void *arg) {
+    switch (currentStatus) {
+        case LED_OFF:
+            mgos_gpio_write(ON_BOARD_LED, 1);  // off
+            break;
+        case LED_ON:
+            mgos_gpio_write(ON_BOARD_LED, 0);  // on
+            break;
+        case LED_BLINK_SLOW:
+            ++numTicksLedHasThisState = 0;
+            if (numTicksLedHasThisState >= 4) {
+                numTicksLedHasThisState = 0;
+                mgos_gpio_toggle(ON_BOARD_LED);
+            }
+            break;
+        case LED_BLINK_FAST:
+            // toggle LED each tick
+            mgos_gpio_toggle(ON_BOARD_LED);
+            break;
+        default:
+            LOG(LL_ERROR, ("Invalid current LED status: %d -- ignored", currentStatus));
+            break;
+    }
+    (void) arg;
+}
+
+void init_led_handler() {
+    mgos_gpio_set_mode(ON_BOARD_LED, MGOS_GPIO_MODE_OUTPUT);
+    mgos_set_timer(250, MGOS_TIMER_REPEAT, blink_on_board_led_cb, NULL);
+    LOG(LL_DEBUG, ("LED handler initialized"));
+}

src/ledHandler.h

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+// Author: Dirk Jahnke
+// January 24, 2018
+//
+// Manage on board LED of SONOFF device
+//
+#ifndef ledHandler_h_included
+#define ledHandler_h_included
+
+enum LEDStatus {
+    LED_OFF = 0, // permanently off
+    LED_ON = 1, // permanently on
+    LED_BLINK_SLOW = 2, // on 0,5x / second (1s on, 1s off)
+    LED_BLINK_FAST = 3 // on 2x / second (250ms on, 250ms off)
+};
+
+extern void set_led_status(LEDStatus newStatus);
+extern void init_led_handler();
+
+#endif

src/main.c

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+#include <stdio.h>
+#include <time.h>
+
+#include "common/platform.h"
+#include "common/cs_file.h"
+#include "mgos_app.h"
+#include "mgos_gpio.h"
+#include "mgos_sys_config.h"
+#include "mgos_timers.h"
+#include "mgos_hal.h"
+#include "mgos_dlsym.h"
+#include "mgos_mqtt.h"
+#include "mjs.h"
+
+#include "ledHandler.h"
+
+
+bool mqtt_conn_flag = false;
+
+int mqtt_connected(void) {
+	return (int) mqtt_conn_flag;
+}
+
+//static void pub(struct mg_connection *c, const char *fmt, ...) {
+  //char msg[200];
+  //struct json_out jmo = JSON_OUT_BUF(msg, sizeof(msg));
+  //va_list ap;
+  //int n;
+  //va_start(ap, fmt);
+  //n = json_vprintf(&jmo, fmt, ap);
+  //va_end(ap);
+  //mg_mqtt_publish(c, get_cfg()->mqtt.pub, 0, MG_MQTT_QOS(0), msg, n);
+  //LOG(LL_INFO, ("%s -> %s", get_cfg()->mqtt.pub, msg));
+//}
+
+static void mqtt_ev_handler(struct mg_connection *c, int ev, void *p, void *user_data) {
+    struct mg_mqtt_message *msg = (struct mg_mqtt_message *) p;
+    if (ev == MG_EV_MQTT_CONNACK) {
+        LOG(LL_INFO, ("MQTT connected: %d", msg->connack_ret_code));
+        mqtt_conn_flag = true;
+        //if (get_cfg()->mqtt.pub == NULL) {
+        //LOG(LL_ERROR, ("Run 'mos config-set mqtt.pub=... '"));
+        //} else {
+        //pub(c, "{timestamp:%.3lf, mem_free:%d}", mg_time(), mgos_get_free_heap_size() );  /* post uptime */
+        //}
+    } else if (ev == MG_EV_CLOSE) {
+        mqtt_conn_flag = false;
+    }
+    (void) user_data;
+    (void) c;
+}
+
+enum mgos_app_init_result mgos_app_init(void) {
+    init_led_handler();
+    mgos_mqtt_add_global_handler(mqtt_ev_handler, NULL);
+    LOG(LL_DEBUG, ("SONOFF app initialized"));
+    return MGOS_APP_INIT_SUCCESS;
+}