dtu/Core/Src/ml307a.c

#include "ml307a.h"

/**
  * @breaf 本页定义
  */
bool u4RecvFlag = false;
bool reset4Gmodule = false;
bool ml307aFail = false;
bool module4G_init = false;
uint8_t u4length = 0;
uint8_t resetcount_4g=0;
uint8_t g_ML307A_8buf[2048]={0}; 
uint8_t g_ML307A_8buf_Down[2048]={0}; 

/**
  * @breaf 本页方法
  */
void ML307AReset(void);	//4G模块重启
uint8_t sendCmd_4G(char *pCmd, char *pRes, uint32_t timeOut, uint8_t sendNum);

/**
  * @breaf 外部声明
  */
extern UART_HandleTypeDef huart4;



void ML307A_Init(void)
{
	
	//4Gled 隔1s快闪搜网未注册，隔2s为成功注册上网络
	//<***> 单括号内为正常回复
	if(!module4G_init)  //复位需同时变true
		return;
	INIT_4G_FRAME();
	if(!sendCmd_4G("AT\r\n","OK",1,1))
	{
		ml307aFail=true;
		printf("4G模组异常！\r\n");
	}
	if(sendCmd_4G("AT+CPIN?\r\n","+CME ERROR: 10",1,1))				//00检测是否有SIM卡									<+CPIN: READY\r\nOK>
	{
		printf("未检测到SIM卡\r\n");
	}		
	else if(ml307aFail)
	{
		printf("#4G模块初始化Fail");
	}
	else if(!ml307aFail)
	{
		if(sendCmd_4G("AT+CSQ\r\n","ERROR",1,1))					//01查询信号值(信号强度,误码率)						<+CSQ: 26,99\r\nOK>
		{printf("查询信号Fail\r\n");}
		if(sendCmd_4G("AT+CEREG?\r\n","ERROR",1,1))		    		//02查询附着成功（驻网：*,@ @为1或5表示附着成功）	<+CEREG: 0,1\r\nOK>
		{printf("查询驻网Fail\r\n");}
		if(sendCmd_4G("AT+MIPCALL?\r\n","ERROR",1,1))				//03查询PDP激活状态									<+MIPCALL: 1,1,"10.94.99.162"\r\nOK>
		{printf("查询PDP激活状态Fail\r\n");}

	}
	//初始化后Todo
	module4G_init=false;
	
}




/**
  * @breaf 串口发送命令，有接收数组比较函数
  */
uint8_t sendCmd_4G(char *pCmd, char *pRes, uint32_t timeOut, uint8_t sendNum)
{
    uint8_t i = 0;
    uint32_t time;          
    for(i = 0; i < sendNum; i++)
	{
        time = timeOut * 10;
        USART_SendString(&huart4, pCmd);
		HAL_Delay(50);
		printf("------->%s",g_ML307A_8buf_Down);
		
        while(time--)
		{
			if(strstr((const char *)g_ML307A_8buf_Down, pRes) != NULL)             // 如果检索到关键词
			{
				memset(g_ML307A_8buf_Down,0,u4length);
				return 1;
			}
			HAL_Delay(100);
        }
    }
    return 0;
}

/**
 @brief 重启模块
 @param 无
 @return 无
*/
void ML307AReset(void)
{
	reset4Gmodule=true;
	resetcount_4g+=1;
	printf("4G Module_Reset\n");    
	HAL_GPIO_WritePin(GPIOA, GPIO_PIN_1, GPIO_PIN_RESET);
	HAL_Delay(5000);
	HAL_GPIO_WritePin(GPIOA, GPIO_PIN_1, GPIO_PIN_SET);
}

void Transfer4GBuff(void)
{
	if(u4RecvFlag)
	{
		u4RecvFlag=false;
		memset(g_ML307A_8buf_Down,0,2048);
		memcpy(g_ML307A_8buf_Down,g_ML307A_8buf,u4length);
	}
}