max30100驱动代码c语言,max30100血氧心率制作stm32源码 OLED显示

#include "stm32f10x.h"

#include "usart.h"

#include "ultrasonic.h"

#include "stm32f10x_gpio.h"

#include "stm32f10x_i2c.h"

#include "delay.h"        //延时函数 1

#include "delayl.h"        //延时函数 2

#include

#include

#include "bsp_i2c_gpio.h"

#include "oled.h"

#define SAMPLE_50   //如果定义此宏就是50采样率   否则是100

/*************************************************

函数: fputc(int ch, FILE *f)

功能: 重定向c库函数printf到USART1

参数: 无

返回: 无

**************************************************/

int fputc(int ch, FILE *f)

{

USART_SendData(USART1, (unsigned char) ch);

while (!(USART1->SR & USART_FLAG_TXE));

return (ch);

}

#define USR_I2C_USED I2C1

void I2C1_Configuration(void)

{

I2C_InitTypeDef  I2C_InitStructure;

GPIO_InitTypeDef  GPIO_InitStructure;

RCC_APB1PeriphClockCmd(RCC_APB1Periph_I2C1,ENABLE);

RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB,ENABLE);

/* PB6,7 SCL and SDA */

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_DeInit(I2C1);

I2C_InitStructure.I2C_Mode = I2C_Mode_I2C;

I2C_InitStructure.I2C_DutyCycle = I2C_DutyCycle_2;

I2C_InitStructure.I2C_OwnAddress1 = 0x30;

I2C_InitStructure.I2C_Ack = I2C_Ack_Enable;

I2C_InitStructure.I2C_AcknowledgedAddress = I2C_AcknowledgedAddress_7bit;

I2C_InitStructure.I2C_ClockSpeed = 100000;//100K速度

I2C_Cmd(I2C1, ENABLE);

I2C_Init(I2C1, &I2C_InitStructure);

/*允许1字节1应答模式*/

I2C_AcknowledgeConfig(I2C1, ENABLE);

printf("I2C1_Configuration----\n\r");

}

void I2C2_Configuration(void)

{

I2C_InitTypeDef  I2C_InitStructure;

GPIO_InitTypeDef  GPIO_InitStructure;

RCC_APB1PeriphClockCmd(RCC_APB1Periph_I2C2,ENABLE);

RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB,ENABLE);

/* PB10,11 SCL and SDA */

GPIO_InitStructure.GPIO_Pin =  GPIO_Pin_10 | GPIO_Pin_11;

GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;

GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_OD;

GPIO_Init(GPIOB, &GPIO_InitStructure);

I2C_DeInit(I2C2);

I2C_InitStructure.I2C_Mode = I2C_Mode_I2C;

I2C_InitStructure.I2C_DutyCycle = I2C_DutyCycle_2;

I2C_InitStructure.I2C_OwnAddress1 = 0x30;

I2C_InitStructure.I2C_Ack = I2C_Ack_Enable;

I2C_InitStructure.I2C_AcknowledgedAddress = I2C_AcknowledgedAddress_7bit;

I2C_InitStructure.I2C_ClockSpeed = 100000;//100K速度

I2C_Cmd(I2C2, ENABLE);

I2C_Init(I2C2, &I2C_InitStructure);

/*允许1字节1应答模式*/

I2C_AcknowledgeConfig(I2C2, ENABLE);

printf("I2C2_Configuration----\n\r");

}

void I2C1_GPIO_Config(void)

{

GPIO_InitTypeDef GPIO_InitStructure; //GPIO结构体定义

RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB,ENABLE);//使能I2C的IO口

/* 使能与 I2C1 有关的时钟 */

RCC_APB1PeriphClockCmd(RCC_APB1Periph_I2C1,ENABLE);

/* PB6-I2C1_SCL、PB7-I2C1_SDA*/

GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6 | GPIO_Pin_7;

GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;

//PIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_OD; // 开漏输出

GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;

GPIO_Init(GPIOB, &GPIO_InitStructure);//初始化结构体配置

}

/* I2C 工作模式配置 */

void I2C1_Mode_config(void)

{

/*定义I2C结构体*/

I2C_InitTypeDef  I2C_InitStructure;

/*配置为I2C模式*/

I2C_InitStructure.I2C_Mode = I2C_Mode_I2C;

/*该参数只有在I2C 工作在快速模式(时钟工作频率高于 100KHz)下才有意义。*/

I2C_InitStructure.I2C_DutyCycle = I2C_DutyCycle_2;

/*设置第一个设备自身地址*/

I2C_InitStructure.I2C_OwnAddress1 =0x30;

/*使能应答*/

I2C_InitStructure.I2C_Ack = I2C_Ack_Enable ;

/*AT24C02地址为7位所以设置7位就行了*/

I2C_InitStructure.I2C_AcknowledgedAddress = I2C_AcknowledgedAddress_7bit; /*时钟速率，以HZ为单位的，最高为400khz*/

I2C_InitStructure.I2C_ClockSpeed = 20000;

/* 使能 I2C1 */

I2C_Cmd(I2C1, ENABLE);

/* I2C1 初始化 */

I2C_Init(I2C1, &I2C_InitStructure);

}

void I2C2_GPIO_Config(void)

{

GPIO_InitTypeDef GPIO_InitStructure; //GPIO结构体定义

RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB,ENABLE);//使能I2C的IO口

/* 使能与 I2C1 有关的时钟 */

RCC_APB1PeriphClockCmd(RCC_APB1Periph_I2C2,ENABLE);

/* PB10-I2C2_SCL、PB11-I2C2_SDA*/

GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10 | GPIO_Pin_11;

GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;

//PIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_OD; // 开漏输出

GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;

GPIO_Init(GPIOB, &GPIO_InitStructure);//初始化结构体配置

}

/* I2C 工作模式配置 */

void I2C2_Mode_config(void)

{

/*定义I2C结构体*/

I2C_InitTypeDef  I2C_InitStructure;

/*配置为I2C模