refactor

thermo_sensor/main/CMakeLists.txt

@@ -0,0 +1,2 @@
+idf_component_register(SRCS "thermo_sensor.c" "ygg_http_routes.c" "ygg_bmp280.c" "../../common/esp32/ygg_wifi.c" "../../common/esp32/ygg_http_server.c"
+                       INCLUDE_DIRS "." "../../common/esp32")

thermo_sensor/main/idf_component.yml

@@ -0,0 +1,17 @@
+## IDF Component Manager Manifest File
+dependencies:
+  ## Required IDF version
+  idf:
+    version: '>=4.1.0'
+  # # Put list of dependencies here
+  # # For components maintained by Espressif:
+  # component: "~1.0.0"
+  # # For 3rd party components:
+  # username/component: ">=1.0.0,<2.0.0"
+  # username2/component2:
+  #   version: "~1.0.0"
+  #   # For transient dependencies `public` flag can be set.
+  #   # `public` flag doesn't have an effect dependencies of the `main` component.
+  #   # All dependencies of `main` are public by default.
+  #   public: true
+  esp-idf-lib/bmp280: '*'

thermo_sensor/main/thermo_sensor.c

@@ -0,0 +1,44 @@
+#include <freertos/FreeRTOS.h>
+#include <freertos/task.h>
+#include <esp_system.h>
+
+#include "esp_log.h"
+#include "nvs_flash.h"
+#include "esp_http_server.h"
+
+#include "ygg_http_server.h"
+#include "ygg_http_routes.h"
+#include "ygg_wifi.h"
+#include "ygg_http_server.h"
+#include "ygg_bmp280.h"
+
+
+static const char *TAG = "thermo_sensor";
+float last_temperature = 0.0f;
+bmp280_t dev_bmp_280;
+
+void main_loop(void *pvParameters) {
+    while (1) {
+        vTaskDelay(pdMS_TO_TICKS(500));
+        ygg_bmp280_read_sensor(&dev_bmp_280); 
+    }
+}
+
+void app_main()
+{
+    esp_err_t ret = nvs_flash_init();
+    if (ret == ESP_ERR_NVS_NO_FREE_PAGES || ret == ESP_ERR_NVS_NEW_VERSION_FOUND) {
+        ESP_ERROR_CHECK(nvs_flash_erase());
+        ret = nvs_flash_init();
+    }
+    ESP_ERROR_CHECK(ret);
+    wifi_init_sta();
+
+    httpd_handle_t server = ygg_start_webserver();
+    httpd_register_uri_handler(server, &ygg_temp_uri);
+
+    ESP_ERROR_CHECK(i2cdev_init());
+    ygg_bmp280_init(&dev_bmp_280);
+    xTaskCreatePinnedToCore(main_loop, "bmp280_test", configMINIMAL_STACK_SIZE * 8, NULL, 5, NULL, APP_CPU_NUM);
+}
+

thermo_sensor/main/ygg_bmp280.c

@@ -0,0 +1,33 @@
+#include <stdio.h>
+#include <string.h>
+#include <bmp280.h>
+#include "ygg_bmp280.h"
+
+extern float last_temperature;
+
+void ygg_bmp280_init(bmp280_t *dev) {
+    bmp280_params_t params;
+    bmp280_init_default_params(&params);
+    memset(dev, 0, sizeof(bmp280_t));
+
+    ESP_ERROR_CHECK(bmp280_init_desc(dev, BMP280_I2C_ADDRESS_0, 0, I2C_MASTER_SDA, I2C_MASTER_SCL));
+    ESP_ERROR_CHECK(bmp280_init(dev, &params));
+
+    bool bme280p = dev->id == BME280_CHIP_ID;
+    printf("BMP280: found %s\n", bme280p ? "BME280" : "BMP280");
+}
+
+void ygg_bmp280_read_sensor(bmp280_t *dev) {
+    float pressure, temperature, humidity;
+    bool bme280p = dev->id == BME280_CHIP_ID;
+
+    if (bmp280_read_float(dev, &temperature, &pressure, &humidity) != ESP_OK)
+        printf("Temperature/pressure reading failed\n");
+
+    last_temperature = temperature;
+    printf("Pressure: %.2f Pa, Temperature: %.2f C", pressure, temperature);
+    if (bme280p)
+        printf(", Humidity: %.2f\n", humidity);
+    else
+        printf("\n");
+}

thermo_sensor/main/ygg_bmp280.h

@@ -0,0 +1,12 @@
+#ifndef YGG_BMP280_H
+#define YGG_BMP280_H
+
+#include <bmp280.h>
+
+#define I2C_MASTER_SDA 19
+#define I2C_MASTER_SCL 23
+
+void ygg_bmp280_init(bmp280_t *dev);
+void ygg_bmp280_read_sensor(bmp280_t *dev);
+
+#endif

thermo_sensor/main/ygg_http_routes.c

@@ -0,0 +1,24 @@
+#include "esp_http_server.h"
+#include "ygg_http_routes.h"
+
+extern float last_temperature;
+
+esp_err_t ygg_get_temp_handler(httpd_req_t *req)
+{
+    float current_temp = last_temperature;
+    char response_json[64];
+    snprintf(response_json, sizeof(response_json), "{\"temperature\": %.1f}", current_temp);
+
+    httpd_resp_set_type(req, "application/json");
+
+    httpd_resp_send(req, response_json, HTTPD_RESP_USE_STRLEN);
+
+    return ESP_OK;
+}
+
+const httpd_uri_t ygg_temp_uri = {
+    .uri       = "/temp",
+    .method    = HTTP_GET,
+    .handler   = ygg_get_temp_handler,
+    .user_ctx  = NULL
+};

thermo_sensor/main/ygg_http_routes.h

@@ -0,0 +1,8 @@
+#ifndef HTTP_ROUTES_H
+#define HTTP_ROUTES_H
+
+esp_err_t ygg_get_temp_handler(httpd_req_t *req);
+
+extern const httpd_uri_t ygg_temp_uri;
+
+#endif