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Alex B.
2024-07-08 11:36:11 -04:00
parent 33b27e8b6b
commit 395926bd25
2 changed files with 22 additions and 5 deletions
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7
ESP32-IDF_BMP280/main/bme280.h
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@@ -4,6 +4,13 @@
#define BME280_CHIP_ID (0x60) #define BME280_CHIP_ID (0x60)
#define BME280_I2C_ADDRESS1 (0x76) // BME280 Data sheet p. 32 #define BME280_I2C_ADDRESS1 (0x76) // BME280 Data sheet p. 32
#define BME280_I2C_ADDRESS2 (0x77) #define BME280_I2C_ADDRESS2 (0x77)
#define BME280_TEMPERATURE_DATA_SIZE (3)
#define BME280_TEMPERATURE_DATA_LENGTH (3)
#define BME280_PRESSURE_DATA_SIZE (3)
#define BME280_PRESSURE_DATA_LENGTH (3)
#define BME280_HUMIDITY_DATA_SIZE (2)
#define BME280_HUMIDITY_DATA_LENGTH (2)
/** GLOBAL MEMORY MAN AND REGISTERS /** GLOBAL MEMORY MAN AND REGISTERS
* BME280 Data Sheet p. 26 * BME280 Data Sheet p. 26

14
ESP32-IDF_BMP280/main/main.c
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@@ -55,9 +55,19 @@ static esp_err_t mpu9250_register_read(uint8_t reg_addr, uint8_t *data, size_t l
//error = i2c_master_write_read_device(I2C_MASTER_NUM, MPU9250_SENSOR_ADDR, &register_address, 1, registers_data, count, I2C_MASTER_TIMEOUT_MS / portTICK_PERIOD_MS); //error = i2c_master_write_read_device(I2C_MASTER_NUM, MPU9250_SENSOR_ADDR, &register_address, 1, registers_data, count, I2C_MASTER_TIMEOUT_MS / portTICK_PERIOD_MS);
}*/ }*/
static esp_err_t bme280_read_raw_temperature(uint8_t *raw_temperature_u32) { static esp_err_t bme280_read_raw_temperature(uint8_t device_address, uint8_t *raw_temperature_u32) {
// BME280_INIT_VALUE // BME280_INIT_VALUE LN 136
// BME280_TEMPERATURE_MSB_REG 0xFA // BME280_TEMPERATURE_MSB_REG 0xFA
// BME280_TEMPERATURE_DATA_LENGTH
// BME280_TEMPERATURE_DATA_SIZE
// I2C_MASTER_TIMEOUT_MS / portTICK_PERIOD_MS
int command_result = 0;
unsigned char raw_temperature[BME280_TEMPERATURE_DATA_SIZE] = {0, 0, 0};
//command_result = i2c_master_read_from_device(0, BME280_I2C_ADDRESS1, *raw_temperature, BME280_TEMPERATURE_DATA_SIZE, I2C_MASTER_TIMEOUT_MS / portTICK_PERIOD_MS);
command_result = i2c_master_write_read_device(0, BME280_I2C_ADDRESS1, *raw_temperature, BME280_TEMPERATURE_DATA_SIZE, *BME, 1, I2C_MASTER_TIMEOUT_MS / portTICK_PERIOD_MS);
} }
/** /**