stm32用硬件i2c读取16位AD：ADS1115.doc

#include "stm32f10x.h"

#include "math.h"

#include "delay.c" //包含 delay_us(--); delay_ms(--);

unsigned char BUF[8];

//----------结构体声明-------------------------------//

void RCC_Configuration(void) //打开各个模块时钟

{

RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD, ENABLE);

RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOE, ENABLE);

void I2C_Configuration(void) //硬件 iic 初始化

{

I2C_InitTypeDef I2C_InitStructure;

I2C_InitStructure.I2C_Mode = I2C_Mode_I2C;

I2C_InitStructure.I2C_DutyCycle = I2C_DutyCycle_2;

I2C_InitStructure.I2C_OwnAddress1 = 0xA0;

I2C_InitStructure.I2C_Ack = I2C_Ack_Enable;

I2C_InitStructure.I2C_AcknowledgedAddress = I2C_AcknowledgedAddress_7bit;

I2C_InitStructure.I2C_ClockSpeed = 100000;

USART_InitTypeDef USART_InitStructure;

USART_InitStructure.USART_BaudRate = 14400;

USART_InitStructure.USART_WordLength = USART_WordLength_8b;

USART_InitStructure.USART_StopBits = USART_StopBits_1;

USART_InitStructure.USART_Parity = USART_Parity_No;

USART_InitStructure.USART_HardwareFlowControl =USART_HardwareFlowControl_None;