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esp32 temperature node

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Alex B.
2025-10-04 01:48:12 -04:00
parent 95751b27fb
commit bdef056a24
1 changed files with 13 additions and 10 deletions
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23
ESP32-IDF_Temperture-Node-v2/main/hello_world_main.c
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@@ -13,8 +13,8 @@
#include "esp_flash.h" #include "esp_flash.h"
#include "esp_system.h" #include "esp_system.h"
//#include "i2c_bus.h" //#include "i2c_bus.h"
#include "bme280.h" //#include "bme280.h"
//#include "bmp280.h" #include "bmp280.h"
#define I2C_MASTER_SCL_IO 22 /*!< GPIO number used for I2C master clock */ #define I2C_MASTER_SCL_IO 22 /*!< GPIO number used for I2C master clock */
#define I2C_MASTER_SDA_IO 21 /*!< GPIO number used for I2C master data */ #define I2C_MASTER_SDA_IO 21 /*!< GPIO number used for I2C master data */
@@ -31,8 +31,8 @@
#define BME280_SENSOR_ADDR 0x76 /*!< Slave address of the MPU9250 sensor */ #define BME280_SENSOR_ADDR 0x76 /*!< Slave address of the MPU9250 sensor */
static i2c_bus_handle_t i2c_bus = NULL; //static i2c_bus_handle_t i2c_bus = NULL;
static bme280_handle_t sensor = NULL; //static bme280_handle_t sensor = NULL;
float temperature = 0.0f; float temperature = 0.0f;
i2c_config_t conf = { i2c_config_t conf = {
@@ -76,14 +76,17 @@ void app_main(void)
printf("Minimum free heap size: %" PRIu32 " bytes\n", esp_get_minimum_free_heap_size()); printf("Minimum free heap size: %" PRIu32 " bytes\n", esp_get_minimum_free_heap_size());
bmp280_params_t params;
bmp280_init_default_params(&params);
//i2c_master_init(); //i2c_master_init();
i2c_bus = i2c_bus_create(I2C_MASTER_NUM, &conf); //i2c_bus = i2c_bus_create(I2C_MASTER_NUM, &conf);
//i2c_bus = i2c_bus_create(I2C_MASTER_NUM, I2C_MASTER_SDA_IO, I2C_MASTER_SCL_IO, I2C_MASTER_FREQ_HZ); //i2c_bus = i2c_bus_create(I2C_MASTER_NUM, I2C_MASTER_SDA_IO, I2C_MASTER_SCL_IO, I2C_MASTER_FREQ_HZ);
sensor = bme280_create(i2c_bus, BME280_SENSOR_ADDR); //sensor = bme280_create(i2c_bus, BME280_SENSOR_ADDR);
if(!sensor) { //if(!sensor) {
printf("Failed to create BME280 sensor\n"); // printf("Failed to create BME280 sensor\n");
return; // return;
} // }
//ESP_ERROR_CHECK(bme280_default_init(sensor)); //ESP_ERROR_CHECK(bme280_default_init(sensor));
//ESP_ERROR_CHECK(bme280_read_temperature(sensor, &temperature)); //ESP_ERROR_CHECK(bme280_read_temperature(sensor, &temperature));