Merge pull request #2519 from cesanta/prof

Add profiling capability

examples/mqtt-dashboard/device/main.c

@@ -12,13 +12,13 @@ static void signal_handler(int signo) {
 // Mocked device pins
 static bool s_pins[100];
 
-void gpio_write(int pin, bool status) {
+void hal_gpio_write(int pin, bool status) {
   if (pin >= 0 && pin <= (int) (sizeof(s_pins) / sizeof(s_pins[0]))) {
     s_pins[pin] = status;
   }
 }
 
-bool gpio_read(int pin) {
+bool hal_gpio_read(int pin) {
   return (pin >= 0 && pin <= (int) (sizeof(s_pins) / sizeof(s_pins[0])))
              ? s_pins[pin]
              : false;

examples/mqtt-dashboard/device/net.c

@@ -46,7 +46,7 @@ static void publish_status(struct mg_connection *c) {
   struct mg_mqtt_opts pub_opts;
   memset(&pub_opts, 0, sizeof(pub_opts));
   pub_opts.topic = pubt;
-  s_device_config.led_status = gpio_read(s_device_config.led_pin);
+  s_device_config.led_status = hal_gpio_read(s_device_config.led_pin);
   char *device_status_json = mg_mprintf(
       "{%m:%m,%m:{%m:%m,%m:%s,%m:%hhu,%m:%hhu,%m:%hhu,%m:%M,%m:%M}}",
       MG_ESC("method"), MG_ESC("status.notify"), MG_ESC("params"),
@@ -114,7 +114,7 @@ static void rpc_config_set(struct mg_rpc_req *r) {
   if (tmp_pin > 0) s_device_config.led_pin = tmp_pin;
 
   if (tmp_pin > 0 && ok) {
-    gpio_write(s_device_config.led_pin, s_device_config.led_status);
+    hal_gpio_write(s_device_config.led_pin, s_device_config.led_status);
   }
 
   mg_rpc_ok(r, "%m", MG_ESC("ok"));
@@ -219,7 +219,7 @@ static void timer_fn(void *arg) {
                                 .qos = s_qos,
                                 .topic = mg_str(status_topic),
                                 .version = 4,
-                                .keepalive = KEEP_ALIVE_INTERVAL,
+                                .keepalive = MQTT_KEEP_ALIVE_INTERVAL,
                                 .retain = true,
                                 .message = mg_str(msg)};
     s_conn = mg_mqtt_connect(mgr, g_url, &opts, fn, NULL);
@@ -234,9 +234,9 @@ static void timer_keepalive(void *arg) {
 }
 
 void web_init(struct mg_mgr *mgr) {
-  int pingreq_interval_ms = KEEP_ALIVE_INTERVAL * 1000 - 500;
+  int pingreq_interval_ms = MQTT_KEEP_ALIVE_INTERVAL * 1000 - 500;
   if (!g_device_id) generate_device_id();
-  if (!g_root_topic) g_root_topic = DEFAULT_ROOT_TOPIC;
+  if (!g_root_topic) g_root_topic = MQTT_ROOT_TOPIC;
   s_device_config.log_level = (uint8_t) mg_log_level;
 
   // Configure JSON-RPC functions we're going to handle

examples/mqtt-dashboard/device/net.h

@@ -13,10 +13,9 @@ extern "C" {
 #endif
 
 #define DEVICE_ID_LEN 10
-#define ROOT_TOPIC_LEN 30
-#define KEEP_ALIVE_INTERVAL 60
+#define MQTT_KEEP_ALIVE_INTERVAL 60
 #define MQTT_SERVER_URL "mqtt://broker.hivemq.com:1883"
-#define DEFAULT_ROOT_TOPIC "topic_mg_device"
+#define MQTT_ROOT_TOPIC "topic_mg_device"
 
 extern char *g_url;
 extern char *g_device_id;
@@ -25,8 +24,8 @@ extern char *g_root_topic;
 void web_init(struct mg_mgr *mgr);
 void web_destroy();
 
-void gpio_write(int pin, bool status);
-bool gpio_read(int pin);
+void hal_gpio_write(int pin, bool status);
+bool hal_gpio_read(int pin);
 
 #ifdef __cplusplus
 }

examples/stm32/nucleo-h723zg-make-baremetal-builtin/main.c

@@ -23,6 +23,16 @@ void mg_random(void *buf, size_t len) {  // Use on-board RNG
   }
 }
 
+#ifdef MQTT_DASHBOARD
+void hal_gpio_write(int pin, bool status) {  // For MQTT dashboard HAL
+  gpio_write((uint16_t) pin, status);
+}
+
+bool hal_gpio_read(int pin) {  // For MQTT dashboard HAL
+  return gpio_read((uint16_t) pin);
+}
+#endif
+
 static void timer_fn(void *arg) {
   gpio_toggle(LED);                                      // Blink LED
   struct mg_tcpip_if *ifp = arg;                         // And show
@@ -37,13 +47,10 @@ int main(void) {
   uart_init(UART_DEBUG, 115200);  // Initialise debug printf
   ethernet_init();                // Initialise ethernet pins
 
-  #ifdef MQTT_DASHBOARD
-    // User can customise the MQTT url, device ID or the root topic below
-  #define DEVICE_ID "H723ZG"
-    g_url = MQTT_SERVER_URL;
-    g_device_id = DEVICE_ID;
-    g_root_topic = DEFAULT_ROOT_TOPIC;
-  #endif
+  // User can customise the MQTT url, device ID or the root topic below
+#ifdef MQTT_DASHBOARD
+  g_device_id = "H723ZG";
+#endif
 
   MG_INFO(("Starting, CPU freq %g MHz", (double) SystemCoreClock / 1000000));