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HAL_I2C_Master_Transmit: 这个函数用于主机设备(通常是单片机)向从机设备发送数据。主机设备负责控制I2C...
I2C_MASTER_SendStop(&I2C_MASTER_0); } // configures the IMUs used for our project static void configIMUs() { uint8_t config[2] = {ADDR_ACCEL_RANGE, 0b00000011}; I2C_MASTER_Transmit(&I2C_MASTER_0, true, IMU_ADDR, config, 2, true); while(I2C_MASTER_IsTxBusy(&I2C_MASTER_0)...
代码中的`I2C_IsErrorOccurred`函数用于检查I2C总线上是否发生错误,例如NACK(非确认)或总线错误等。如果...
i2c_device_config_tdev_cfg = { .dev_addr_length = I2C_ADDR_BIT_LEN_7, .device_address =0x68, .scl_speed_hz =10000, };i2c_master_dev_handle_tdev_handle; ESP_ERROR_CHECK(i2c_master_bus_add_device(i2c_bus_handle, &dev_cfg, &dev_handle)); status = i2c_master_transmit_receive(dev...
Helen Beal 曾经在一次讨论什么是 DevSecOps 工程师的会议上发言。令她惊讶的是,在与会人员中,许多人...
Z 外部控制器发地址3'b000 就是告诉I2C-Master Core 我要给你发Clock Prescale register的参数了 ...
stm32 在用mpu6050时 iic 复用pb8 pb9卡在 while(!I2C_CheckEvent(I2C1,I2C_EVENT_MASTER_TRANSMITTER_MODE_SELECTED));如果不复用结果没问题代码 GPIO_InitTypeDef GPIO_InitStructure/* 使能与 I2C1 有关的时钟 */ RCC_APB2PeriphClockCmd (RCC_APB2Periph_AFIO | RCC_APB2Periph_GPIOB,ENABLE )...
If the I2C Master Core gets a NACK when the device address is transmitted, how does it behave? Does it just set the MAK bit in the ISR? Does it issue a STOP? Does the driver need to issue the STOP or a repeated START? Translate 0 Kudos Copy link Reply I...
aThe I2C bus is free if the BUS is at a ‘high’ state. Any master attempting to transmit first senses whether the BUS is at a ‘high’ state. If the BUS is ‘high’, the master immediately captures the I2C bus by pulling down the BUS line to a ‘low’ state. If two masters at...