基于STM32F103C8T6的XGZP6847D压力传感器的驱动代码
时间: 2023-09-08 20:12:08 浏览: 311
以下是基于STM32F103C8T6的XGZP6847D压力传感器的驱动代码示例:
```c
#include "stm32f10x.h"
#define I2C_SPEED 100000
#define I2C_SLAVE_ADDRESS7 0x28
#define XGZP6847D_PRESSURE_REG 0x00
void I2C1_Init(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
I2C_InitTypeDef I2C_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);
RCC_APB1PeriphClockCmd(RCC_APB1Periph_I2C1, ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6 | GPIO_Pin_7;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_OD;
GPIO_Init(GPIOB, &GPIO_InitStructure);
I2C_InitStructure.I2C_Mode = I2C_Mode_I2C;
I2C_InitStructure.I2C_DutyCycle = I2C_DutyCycle_2;
I2C_InitStructure.I2C_OwnAddress1 = I2C_SLAVE_ADDRESS7;
I2C_InitStructure.I2C_Ack = I2C_Ack_Enable;
I2C_InitStructure.I2C_AcknowledgedAddress = I2C_AcknowledgedAddress_7bit;
I2C_InitStructure.I2C_ClockSpeed = I2C_SPEED;
I2C_Init(I2C1, &I2C_InitStructure);
I2C_Cmd(I2C1, ENABLE);
}
void I2C1_WriteByte(uint8_t slaveAddr, uint8_t regAddr, uint8_t data)
{
while (I2C_GetFlagStatus(I2C1, I2C_FLAG_BUSY));
I2C_GenerateSTART(I2C1, ENABLE);
while (!I2C_CheckEvent(I2C1, I2C_EVENT_MASTER_MODE_SELECT));
I2C_Send7bitAddress(I2C1, slaveAddr, I2C_Direction_Transmitter);
while (!I2C_CheckEvent(I2C1, I2C_EVENT_MASTER_TRANSMITTER_MODE_SELECTED));
I2C_SendData(I2C1, regAddr);
while (!I2C_CheckEvent(I2C1, I2C_EVENT_MASTER_BYTE_TRANSMITTED));
I2C_SendData(I2C1, data);
while (!I2C_CheckEvent(I2C1, I2C_EVENT_MASTER_BYTE_TRANSMITTED));
I2C_GenerateSTOP(I2C1, ENABLE);
}
uint16_t I2C1_ReadWord(uint8_t slaveAddr, uint8_t regAddr)
{
uint16_t data = 0;
while (I2C_GetFlagStatus(I2C1, I2C_FLAG_BUSY));
I2C_GenerateSTART(I2C1, ENABLE);
while (!I2C_CheckEvent(I2C1, I2C_EVENT_MASTER_MODE_SELECT));
I2C_Send7bitAddress(I2C1, slaveAddr, I2C_Direction_Transmitter);
while (!I2C_CheckEvent(I2C1, I2C_EVENT_MASTER_TRANSMITTER_MODE_SELECTED));
I2C_SendData(I2C1, regAddr);
while (!I2C_CheckEvent(I2C1, I2C_EVENT_MASTER_BYTE_TRANSMITTED));
I2C_GenerateSTART(I2C1, ENABLE);
while (!I2C_CheckEvent(I2C1, I2C_EVENT_MASTER_MODE_SELECT));
I2C_Send7bitAddress(I2C1, slaveAddr, I2C_Direction_Receiver);
while (!I2C_CheckEvent(I2C1, I2C_EVENT_MASTER_RECEIVER_MODE_SELECTED));
data = (I2C_ReceiveData(I2C1) << 8);
I2C_AcknowledgeConfig(I2C1, DISABLE);
I2C_GenerateSTOP(I2C1, ENABLE);
while (I2C_GetFlagStatus(I2C1, I2C_FLAG_RXNE) == RESET);
data |= I2C_ReceiveData(I2C1);
return data;
}
uint16_t XGZP6847D_ReadPressure(void)
{
uint16_t pressure = 0;
I2C1_WriteByte(I2C_SLAVE_ADDRESS7, XGZP6847D_PRESSURE_REG, 0);
pressure = I2C1_ReadWord(I2C_SLAVE_ADDRESS7, XGZP6847D_PRESSURE_REG);
return pressure;
}
int main(void)
{
uint16_t pressure = 0;
I2C1_Init();
while (1)
{
pressure = XGZP6847D_ReadPressure();
// 处理读取到的压力数据
}
}
```
需要注意的是,此代码示例仅供参考,具体实现需要根据实际情况进行调整。同时,需要根据数据手册了解传感器的详细信息,以确保正确地读取和处理传感器数据。