szhylyj-6/程序源码/MAX30102心率血氧传感器资料/1.代码/MAX30102例程/HARDWARE/BLE/ble_app.c

#include "ble_app.h"
#include "ble_uart.h"
#include "ble_cfg.h"
#include "usart2.h"
#include "usart.h"
#include "string.h"
#include "led.h"
#include "delay.h"
#include "key.h"

//////////////////////////////////////////////////////////////////////////////////
//本程序只供学习使用，未经作者许可，不得用于其它任何用途
//ALIENTEK STM32开发板
//ATK-BLE01模块功能驱动
//正点原子@ALIENTEK
//技术论坛:www.openedv.com
//修改日期:2020/7/2
//版本：V1.0
//版权所有，盗版必究。
//Copyright(C) 广州市星翼电子科技有限公司 2020-2030
//All rights reserved
//********************************************************************************
//无


//BLE模块IO初始化
void Ble_IoInit(void)
{

    GPIO_InitTypeDef  GPIO_InitStructure;

    RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);	 //使能PA端口时钟

    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11;	    		 //BLE_WKUP
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; 		 //推挽输出
    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;		 //IO口速度为50MHz
    GPIO_Init(GPIOA, &GPIO_InitStructure);	  				 //推挽输出 ，IO口速度为50MHz

    BLE_WKUP = 1;
    
    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4;				 //BLE_STA
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPD; 		     //下拉输入
    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;		 //IO口速度为50MHz
    GPIO_Init(GPIOA, &GPIO_InitStructure);					 //根据设定参数初始化GPIOA.4

    usart2_init(115200);//初始化串口2
}

u8 sendbuf[50];
//BLE模块参数配置
void Ble_SetInit(void)
{

    LED0 = 0; /*LED0亮*/

    /*****进入配置模式*****/
    while (ble_send_cmd("+++a", "a+ok", 5))
    {
        if (!ble_send_cmd("+++a", "ERROR", 10)) break; /**有可能模块已在配置模式,这时发送+++a,会返回error*/

        LED1 = ~LED1;
        delay_ms(100);
    }

    /*****AT测试*****/
    if (!ble_send_cmd("AT", "OK", 5))
    {
        printf("AT OK\r\n");
    }

    /*****蓝牙名称设置*****/
    sprintf((char *)sendbuf, "AT+NAME=%s", BLE_NAME);

    if (!ble_send_cmd(sendbuf, "OK", 10))
    {
        printf("%s  OK\r\n", sendbuf);
    }
    else
    {
        printf("%s  ERROR\r\n", sendbuf);
    }

    /*****开机欢迎语设置*****/
    sprintf((char *)sendbuf, "AT+HELLO=%s", BLE_HELLO);

    if (!ble_send_cmd(sendbuf, "OK", 10))
    {
        printf("%s  OK\r\n", sendbuf);
    }
    else
    {
        printf("%s  ERROR\r\n", sendbuf);
    }

    /*****发射功率设置*****/
    sprintf((char *)sendbuf, "AT+TPL=%d", BLE_TP_P2dBm);

    if (!ble_send_cmd(sendbuf, "OK", 10))
    {
        printf("%s  OK\r\n", sendbuf);
    }
    else
    {
        printf("%s  ERROR\r\n", sendbuf);
    }

    /*****串口设置*****/
    sprintf((char *)sendbuf, "AT+UART=%d,%d,%d,%d", BLE_UARTBPS, BLE_UARTDATE, BLE_UARTPR, BLE_UARTSTOP);

    if (!ble_send_cmd(sendbuf, "OK", 10))
    {
        printf("%s  OK\r\n", sendbuf);
    }
    else
    {
        printf("%s  ERROR\r\n", sendbuf);
    }

    /*****广播速度设置*****/
    sprintf((char *)sendbuf, "AT+ADPTIM=%d", BLE_ADPTIM );

    if (!ble_send_cmd(sendbuf, "OK", 10))
    {
        printf("%s  OK\r\n", sendbuf);
    }
    else
    {
        printf("%s  ERROR\r\n", sendbuf);
    }

    /*****链路匹配连接设置*****/
#if BLE_LINKPASSEN

    if (!ble_send_cmd("AT+LINKPASSEN=ON", "OK", 10)) /*使能*/
    {
        printf("AT+LINKPASSEN=ON  OK\r\n");
    }else
    {
        printf("AT+LINKPASSEN=ON  ERROR\r\n");
    }

#else
    
    if (!ble_send_cmd("AT+LINKPASSEN=OFF", "OK", 10)) /*关闭*/
    {
        printf("AT+LINKPASSEN=OFF  OK\r\n");
    }else
    {
        printf("AT+LINKPASSEN=OFF  ERROR\r\n");
    }
    
#endif    
    
    /*****板载LED设置*****/
#if BLE_LEDEN

    if (!ble_send_cmd("AT+LEDEN=ON", "OK", 10)) /*使能*/
    {
        printf("AT+LEDEN=ON  OK\r\n");
    }
    else
    {
        printf("AT+LEDEN=ON  ERROR\r\n");
    }

#else

    if (!ble_send_cmd("AT+LEDEN=OFF", "OK", 50)) /*关闭*/
    {
        printf("AT+LEDEN=OFF  OK\r\n");
    }
    else
    {
        printf("AT+LEDEN=OFF  ERROR\r\n");
    }

#endif

    /*****从设备断连睡眠设置*****/
#if BLE_SLAVESLEEPEN

    if (!ble_send_cmd("AT+SLAVESLEEPEN=ON", "OK", 10)) /*使能*/
    {
        printf("AT+SLAVESLEEPEN=ON  OK\r\n");
    }
    else
    {
        printf("AT+SLAVESLEEPEN=ON  ERROR\r\n");
    }

#else

    if (!ble_send_cmd("AT+SLAVESLEEPEN=OFF", "OK", 10)) /*关闭*/
    {
        printf("AT+SLAVESLEEPEN=OFF  OK\r\n");
    }
    else
    {
        printf("AT+SLAVESLEEPEN=OFF  ERROR\r\n");
    }

#endif

    /*****蓝牙最大输出设置*****/
#if BLE_MAXPUT

    if (!ble_send_cmd("AT+MAXPUT=ON", "OK", 10)) /*使能*/
    {
        printf("AT+MAXPUT=ON  OK\r\n");
    }
    else
    {
        printf("AT+MAXPUT=ON  ERROR\r\n");
    }

#else

    if (!ble_send_cmd("AT+MAXPUT=OFF", "OK", 10)) /*关闭*/
    {
        printf("AT+MAXPUT=OFF  OK\r\n");
    }
    else
    {
        printf("AT+MAXPUT=OFF  ERROR\r\n");
    }

#endif

    /*****工作模式设置(模式设置后,模块立即复位进入透传模式)*****/
    sprintf((char *)sendbuf, "AT+MODE=%c", BLE_MODE_S );

    if (!ble_send_cmd(sendbuf, "OK", 10))
    {
        printf("%s  OK\r\n", sendbuf);
    }
    else
    {
        printf("%s  ERROR\r\n", sendbuf);
    }

    LED0 = 1;/*LED0灭*/
}

/*BLE模块数据发送处理*/
void Ble_SendData(float data, float data2)
{
	u2_printf("%.1f bmp %.1f %% ",data,data2);
}

/*BLE模块接收数据处理*/
void Ble_ReceData(void)
{
    u16 i = 0;
    u16 len = 0;

    //有数据来了
    if (USART2_RX_STA & 0x8000)
    {
        len = USART2_RX_STA & 0X7FFF;
        USART2_RX_BUF[len] = 0; //添加结束符
        USART2_RX_STA = 0;

        for (i = 0; i < len; i++)
        {
            while (USART_GetFlagStatus(USART1, USART_FLAG_TC) == RESET); //循环发送，直到发送完毕
            USART_SendData(USART1, USART2_RX_BUF[i]);
        }
    }


}

/*BLE进程处理*/
void Ble_Process(double data, double data2)
{
    u8 BLE_LINK = 0; //1:蓝牙连接 0:未连接
    static u8 flag1, flag2 = 0;
				
					Ble_SendData(data, data2);/*数据发送处理*/
	

        /*数据接收处理*/
        Ble_ReceData();

        /*BLE连接处理*/
        if (BLE_STA)
        {
            BLE_LINK = 1; //蓝牙连接

            if (!flag1)
            {
                flag1 = 1;
                flag2 = 0;
                printf("\r\nble connect!\r\n");
            }
        }
        else
        {
            BLE_LINK = 0; //蓝牙断开

            if (!flag2)
            {

                flag2 = 1;
                flag1 = 0;
                printf("\r\nble disconnect!\r\n");
            }
        }
}



void Ble_Init(void)
{
    Ble_IoInit(); //BLE引脚初始化
    Ble_SetInit();//BLE参数配置
}