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Alex B.
2024-07-08 22:37:56 -04:00
parent a1621b5d8a
commit 64b699917a
3 changed files with 2 additions and 1 deletions
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3
ESP32-IDF_BMP280/main/main.c
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@@ -137,12 +137,13 @@ static esp_err_t i2c_driver_initialize(void)
void app_main(void)
{
// CONNECT TO BMP280
ESP_ERROR_CHECK(i2c_driver_initialize());
i2c_driver_install(I2C_NUM_0, I2C_MODE_MASTER, I2C_MASTER_RX_BUF_DISABLE, I2C_MASTER_TX_BUF_DISABLE, 0);
uint8_t address = 0x76;
i2c_cmd_handle_t command = i2c_cmd_link_create();
i2c_master_start(command);
i2c_master_write_byte(command, (address << 1) | I2C_MASTER_WRITE, 0x1); // 0x1 -> checl ACK from slave
i2c_master_write_byte(command, (address << 1) | I2C_MASTER_WRITE, 0x1); // 0x1 -> check ACK from slave
i2c_master_stop(command);
esp_err_t cmd_ret = i2c_master_cmd_begin(I2C_NUM_0, command, 1000 / portTICK_PERIOD_MS);
i2c_cmd_link_delete(command);