I2C_InitStruct.I2C_Mode = I2C_Mode_I2C; I2C_InitStruct.I2C_DutyCycle = I2C_DutyCycle_2; I2C_InitStruct.I2C_OwnAddress1 = STM32_I2C_OWN_ADDR; I2C_InitStruct.I2C_Ack = I2C_Ack_Enable; I2C_InitStruct.I2C_AcknowledgedAddress = I2C_AcknowledgedAddress_7bit; // 初始化 I2C_Init(EEPROM_I2C...
LL_I2C_DisableOwnAddress2(I2C1); LL_I2C_DisableGeneralCall(I2C1); LL_I2C_EnableClockStretching(I2C1); I2C_InitStruct.PeripheralMode=LL_I2C_MODE_I2C; I2C_InitStruct.Timing=0x00000708; I2C_InitStruct.AnalogFilter=LL_I2C_ANALOGFILTER_ENABLE; I2C_InitStruct.DigitalFilter=0; I2C_InitStruct.OwnAd...
这个地址是7位还是10位,取决于I2C_AcknowledgedAddress,只有它设置为10位模式,I2C_OwnAddress1才能使用10位地址。 部分常用库函数如下: //初始化 void I2C_DeInit(I2C_TypeDef* I2Cx); void I2C_Init(I2C_TypeDef* I2Cx, I2C_InitTypeDef* I2C_InitStruct); void I2C_StructInit(I2C_InitTypeDef* I2C_InitStruc...
1 2 3 4 5 6 7 8 typedef struct { uint32_t I2C_ClockSpeed; /*!< 设置SCL时钟频率,此值要低于400000*/ uint16_t I2C_Mode; /*!< 指定工作模式,可选I2C模式及SMBUS模式 */ uint16_t I2C_DutyCycle; /*指定时钟占空比,可选low/high = 2:1及16:9模式*/ uint16_t I2C_OwnAddress1; /*...
I2C_Send7bitAddress(I2C2,MPU6050_Slave,I2C_Direction_Transmitter); // 检测EV6事件,未成功则继续等待 Wait_CheckEvent(I2C2,I2C_EVENT_MASTER_TRANSMITTER_MODE_SELECTED); // 发送数据1(寄存器地址) I2C_SendData(I2C2,RegAddr); // 检测EV8事件,未成功则继续等待 ...
GPIO_Init(GPIOB,&GPIO_InitStructure);/*I2C Struct Initialize*/I2C_DeInit(I2C2); I2C_InitStructure.I2C_Mode=I2C_Mode_I2C; I2C_InitStructure.I2C_DutyCycle=I2C_DutyCycle_2; I2C_InitStructure.I2C_OwnAddress1=0x00; I2C_InitStructure.I2C_Ack=I2C_Ack_Enable; ...
i2c_struct.I2C_OwnAddress1=USER_I2C_OWN_ADDR; i2c_struct.I2C_Ack=I2C_Ack_Enable; i2c_struct.I2C_AcknowledgedAddress=I2C_AcknowledgedAddress_7bit; i2c_struct.I2C_ClockSpeed=USER_I2C_SPEED; I2C_Init(USER_I2C,&i2c_struct); I2C_Cmd(USER_I2C, ENABLE); ...
I2C_InitStruct.I2C_Mode = I2C_Mode_I2C; I2C_InitStruct.I2C_DutyCycle = I2C_DutyCycle_2; I2C_InitStruct.I2C_OwnAddress1 = STM32_I2C_OWN_ADDR; I2C_InitStruct.I2C_Ack = I2C_Ack_Enable; I2C_InitStruct.I2C_AcknowledgedAddress = I2C_AcknowledgedAddress_7bit; ...
GPIO_InitStruct.Pin= I2Cx_SCL_PIN; HAL_GPIO_Init(I2Cx_SCL_GPIO_PORT,&GPIO_InitStruct); I2cHandle.Instance= I2Cx; I2cHandle.Init.ClockSpeed= 100000; I2cHandle.Init.DutyCycle= I2C_DUTYCYCLE; I2cHandle.Init.OwnAddress1= 0; I2cHandle.Init.AddressingMode= I2C_ADDRESSINGMODE_7BIT; ...
Address=I2C_AcknowledgedAddress_7bit; MPU6050_I2CInitStruct.I2C_ClockSpeed=100000; MPU6050_I2CInitStruct.I2C_DutyCycle=I2C_DutyCycle_2; MPU6050_I2CInitStruct.I2C_Mode=I2C_Mode_I2C; MPU6050_I2CInitStruct.I2C_OwnAddress1=0x0A; I2C_Init(I2C1,&MPU6050_I2CInitStruct); I2C_Cmd(I2C1,ENABLE); ...