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BME280 I2C

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Alex B.
2024-07-08 10:46:39 -04:00
parent 7835cc0a2d
commit 4f8c0e6f22
1 changed files with 7 additions and 2 deletions
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9
ESP32-IDF_BMP280/main/main.c
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@@ -44,9 +44,14 @@ static esp_err_t mpu9250_register_read(uint8_t reg_addr, uint8_t *data, size_t l
return i2c_master_write_read_device(I2C_MASTER_NUM, MPU9250_SENSOR_ADDR, &reg_addr, 1, data, len, I2C_MASTER_TIMEOUT_MS / portTICK_PERIOD_MS); return i2c_master_write_read_device(I2C_MASTER_NUM, MPU9250_SENSOR_ADDR, &reg_addr, 1, data, len, I2C_MASTER_TIMEOUT_MS / portTICK_PERIOD_MS);
} }
static esp_err_t bme280_I2C_burst_read(uint8_t device_addr, uint8_t *data, size_t len) static esp_err_t bme280_I2C_burst_read(uint8_t device_address, uint8_t register_address, uint8_t *registers_data, size_t count)
{ {
return i2c_master_write_read_device(I2C_MASTER_NUM, MPU9250_SENSOR_ADDR, &reg_addr, 1, data, len, I2C_MASTER_TIMEOUT_MS / portTICK_PERIOD_MS); int error = 0;
unsigned char array[BME280_I2C_BUFFER_LEN];
unsigned char pos;
array[0] = register_address;
error = i2c_master_write_read_device(0, device_address, write_buffer, write_size, *array, read_size, 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);
} }
/** /**