endpoints for pressure and humidity

thermo_sensor/main/thermo_sensor.c

@@ -15,6 +15,8 @@
 
 static const char *TAG = "thermo_sensor";
 float last_temperature = 0.0f;
+float last_pressure = 0.0f;
+float last_humidity = 0.0f;
 bmp280_t dev_bmp_280;
 
 void main_loop(void *pvParameters) {
@@ -36,6 +38,8 @@ void app_main()
 
     httpd_handle_t server = ygg_start_webserver();
     httpd_register_uri_handler(server, &ygg_temp_uri);
+    httpd_register_uri_handler(server, &ygg_press_uri);
+    httpd_register_uri_handler(server, &ygg_hum_uri);
 
     ESP_ERROR_CHECK(i2cdev_init());
     ygg_bmp280_init(&dev_bmp_280);

thermo_sensor/main/ygg_bmp280.c

@@ -4,6 +4,8 @@
 #include "ygg_bmp280.h"
 
 extern float last_temperature;
+extern float last_pressure;
+extern float last_humidity;
 
 void ygg_bmp280_init(bmp280_t *dev) {
     bmp280_params_t params;
@@ -25,6 +27,8 @@ void ygg_bmp280_read_sensor(bmp280_t *dev) {
         printf("Temperature/pressure reading failed\n");
 
     last_temperature = temperature;
+    last_pressure = pressure;
+    last_humidity = humidity;
     printf("Pressure: %.2f Pa, Temperature: %.2f C", pressure, temperature);
     if (bme280p)
         printf(", Humidity: %.2f\n", humidity);

thermo_sensor/main/ygg_http_routes.c

@@ -2,23 +2,55 @@
 #include "ygg_http_routes.h"
 
 extern float last_temperature;
+extern float last_pressure;
+extern float last_humidity;
 
-esp_err_t ygg_get_temp_handler(httpd_req_t *req)
+esp_err_t ygg_get_handler(httpd_req_t *req)
 {
-    float current_temp = last_temperature;
     char response_json[64];
-    snprintf(response_json, sizeof(response_json), "{\"temperature\": %.1f}", current_temp);
+    ygg_http_user_ctx *user_ctx = req->user_ctx;
+    float current_val = *user_ctx->param_val;
+    snprintf(response_json, sizeof(response_json), 
+             "{\"%s\": %.1f}", user_ctx->param_name, current_val);
 
     httpd_resp_set_type(req, "application/json");
-
     httpd_resp_send(req, response_json, HTTPD_RESP_USE_STRLEN);
 
     return ESP_OK;
 }
 
+static ygg_http_user_ctx temp_ctx = {
+    .param_name = "temperature",
+    .param_val = &last_temperature
+};
+
 const httpd_uri_t ygg_temp_uri = {
     .uri       = "/temp",
     .method    = HTTP_GET,
-    .handler   = ygg_get_temp_handler,
+    .handler   = ygg_get_handler,
-    .user_ctx  = NULL
+    .user_ctx  = &temp_ctx
+};
+
+static ygg_http_user_ctx press_ctx = {
+    .param_name = "pressure",
+    .param_val = &last_pressure
+};
+
+const httpd_uri_t ygg_press_uri = {
+    .uri       = "/press",
+    .method    = HTTP_GET,
+    .handler   = ygg_get_handler,
+    .user_ctx  = &press_ctx
+};
+
+static ygg_http_user_ctx hum_ctx = {
+    .param_name = "humidity",
+    .param_val = &last_humidity
+};
+
+const httpd_uri_t ygg_hum_uri = {
+    .uri       = "/hum",
+    .method    = HTTP_GET,
+    .handler   = ygg_get_handler,
+    .user_ctx  = &hum_ctx
 };

thermo_sensor/main/ygg_http_routes.h

@@ -4,5 +4,12 @@
 esp_err_t ygg_get_temp_handler(httpd_req_t *req);
 
 extern const httpd_uri_t ygg_temp_uri;
+extern const httpd_uri_t ygg_press_uri;
+extern const httpd_uri_t ygg_hum_uri;
+
+typedef struct {
+    const char *param_name;
+    float *param_val;
+} ygg_http_user_ctx;
 
 #endif