ESP_ERROR_CHECK(i2c_param_config(I2C_MASTER_PORT, &conf)); ESP_ERROR_CHECK(i2c_driver_install(I2C_MASTER_PORT, conf.mode, 0, 0, 0)); //TODO, problem with this ESP_ERROR_CHECK(i2c_driver_delete(I2C_MASTER_PORT)); //ESP_ERROR_CHECK(i2c_driver_install(I2C_MASTER_PORT, conf.mode, ...
使用I2C 接口从外部传感器(BH1750环境光传感器(GY-30模块))读取温度数据:esp-idf/examples/peripherals/i2c/i2c_self_test 使用I2C 接口快速开发一个光照传感器(BH1750)控制 LED 灯的应用程序:esp-iot-solution/examples/sensors/sensor_control_led 使用I2C 接口从外部传感器(MPU9250)陀螺仪加速度计中获取加速度、角...
i2c_param_config(i2c_master_port, &conf); //IIC 配置 //安装IIC驱动 ESP_ERROR_CHECK(i2c_driver_install(i2c_master_port, conf.mode, 0, 0, 0)); AXP192_DC_DC_LDO_Power_Control(EXTEN_CONTROL,POWER_CONTROL_ON); //外部电源开关控制器 控制外部电源5V boast 升压 AXP192_DC_DC_LDO_Power_Cont...
该函数原型如下所示：esp_err_t i2c_driver_install(i2c_port_t i2c_num,i2c_mode_t mode,size_t...
i2c_param_config(I2C_NUM_0, &conf);i2c_driver_install(I2C_NUM_0, conf.mode, 0, 0, 0);}...
该函数原型如下所示：esp_err_t i2c_driver_install(i2c_port_t i2c_num,i2c_mode_t mode,size_t...
}i2c_cmd_handle_tcmd = i2c_cmd_link_create(); i2c_master_start(cmd); i2c_master_write_byte(cmd, (ESP_SLAVE_ADDR <<1) | READ_BIT, ACK_CHECK_EN);if(size >1) { i2c_master_read(cmd, data_rd, size -1, ACK_VAL); } i2c_master_read_byte(cmd, data_rd + size -1, NACK_VAL...
Ret = i2c_driver_install(I2C_NUM_1, I2cConfig.mode,0,0,0);if(Ret != ESP_OK) { ESP_LOGE(MOD_TAG,"I2C driver install failed");return-1; }#endifLock = xSemaphoreCreateMutex();if(!Lock) {return-1; } ESP_LOGW(MOD_TAG,"Inited.");return0; ...
(I2C_NUM_0, &i2c_cfg)); ESP_ERROR_CHECK(i2c_driver_install(I2C_NUM_0, I2C_MODE_MASTER, 0, 0, 0)); printf("i2c scan: \n"); for (uint8_t i = 1; i < 127; i++) { int ret; i2c_cmd_handle_t cmd = i2c_cmd_link_create(); i2c_master_start(cmd); i2c_master_write_...
conf.master.clk_speed = 400000; // I2C CLK 频率 conf.clk_flags = 0; ESP_ERROR_CHECK(i2c_param_config(I2C_NUM_0, &conf)); // 配置I2C ret = i2c_driver_install(I2C_NUM_0, I2C_MODE_MASTER, 0, 0, 0); // I2C功能安装使能函数 ...