整理下ATK_HC05的库函数，发现串口2没有收到任何信息

我不是资源

整理下ATK_HC05的库函数，发现

[mw_shl_code=c,true]#ifndef __Init_h #define __Init_h #include "stm32f10x.h" #include "sys.h" #include "LowInit.h" #include "MediumInit.h" #include "ATK_HC05.h" #include "lcd.h" #endif #include "Init.h" void HC05_Role_Show(void) { if(HC05_Get_Role()==1)LCD_ShowString(30,140,200,16,16,"ROLE:Master"); //?÷?ú else LCD_ShowString(30,140,200,16,16,"ROLE:Slave "); //???ú } //????ATK-HC05???é??????×??? void HC05_Sta_Show(void) { if(HC05_LED)LCD_ShowString(120,140,120,16,16,"STA:Connected "); //???????? else LCD_ShowString(120,140,120,16,16,"STAisconnect"); //?????? } int main(void) { u8 t,a=1; u8 key; u8 sendmask=0; u8 sendcnt=0; u8 sendbuf[20]; u8 reclen=0; delay_init(); NVIC_Configuration(); LowInit_Config(); MediumInit1_Config(); LCD_Init(); //??????LCD POINT_COLOR=BLUE; LCD_Clear(BLACK); LCD_ShowString(30,30,200,16,16,"WELCOME HERE! ^-^"); LCD_ShowString(30,50,200,16,16,"HC05 BLUETOOTH COM TEST"); LCD_ShowString(30,70,200,16,16,"Let's Go"); while(HC05_Init()) //??????ATK-HC05???é { POINT_COLOR=RED; LCD_ShowString(30,90,200,16,16,"ATK-HC05 Error! T_T"); delay_ms(500); LCD_ShowString(30,90,200,16,16,"Please Check!!!"); delay_ms(100); } POINT_COLOR=BLUE; LCD_ShowString(30,90,200,16,16,"WK_UP:ROLE KEY0:SEND/STOP"); LCD_ShowString(30,110,200,16,16,"ATK-HC05 Standby!"); LCD_ShowString(30,160,200,16,16,"Send:"); LCD_ShowString(30,180,200,16,16,"Receive:"); POINT_COLOR=WHITE; HC05_Role_Show(); while(1) { key=KEY_Scan(0); if(key==KEY_UP) //???????é?÷???è?? { key=HC05_Get_Role(); if(key!=0XFF) { key=!key; //×?????·? if(key==0)HC05_Set_Cmd("AT+ROLE=0"); else HC05_Set_Cmd("AT+ROLE=1"); HC05_Role_Show(); HC05_Set_Cmd("AT+RESET"); //????ATK-HC05???é } }else if(key==KEY_RIGHT) { sendmask=!sendmask; //·???/????·??? if(sendmask==0)LCD_Fill(30+40,160,240,160+16,BLACK);//???????? }else delay_ms(10); if(t==50) { if(sendmask) //?¨?±·??? { sprintf((char*)sendbuf,"ALIENTEK HC05 %d\r\n",sendcnt); LCD_ShowString(30+40,160,200,16,16,sendbuf); //????·??????? u2_printf("ALIENTEK HC05 %d\r\n",sendcnt); //·????????????é sendcnt++; if(sendcnt>99)sendcnt=0; } HC05_Sta_Show(); t=0; a=!a; LED0(a); } if(USART2_RX_STA&0X8000) //???????????????? { LCD_Fill(30,200,240,320,BLACK); //???????? reclen=USART2_RX_STA&0X7FFF; //?????????¤?? USART2_RX_BUF[reclen]=0; //?????á??·? if(reclen==9||reclen==8) //????DS1?ì?? { if(strcmp((const char*)USART2_RX_BUF,"+LED1 ON")==0){LED1(ON);} //?ò??LED1 if(strcmp((const char*)USART2_RX_BUF,"+LED1 OFF")==0){LED1(OFF);}//??±?LED1 while(strcmp((const char*)USART2_RX_BUF,"+Change Colour")==0) { if(strcmp((const char*)USART2_RX_BUF,"+x")==0) {LED2(ON);LED3(OFF);LED4(OFF);} else if(strcmp((const char*)USART2_RX_BUF,"+y")==0) {LED2(OFF);LED3(ON);LED4(OFF);} else if(strcmp((const char*)USART2_RX_BUF,"+z")==0) {LED2(OFF);LED3(OFF);LED4(ON);} } } LCD_ShowString(30,200,209,119,16,USART2_RX_BUF);//???????????????? USART2_RX_STA=0; } t++; } } void NVIC_Configuration(void) { NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2); //?è??NVIC????·?×é2:2??????????????2???ì???????? } #include "MediumInit.h" __align(8) u8 USART2_TX_BUF[USART2_MAX_SEND_LEN]; //·???????,×??óUSART2_MAX_SEND_LEN×??? //?????????????? u8 USART2_RX_BUF[USART2_MAX_RECV_LEN],USART_RX_BUF[USART_REC_LEN];; u16 USART2_RX_STA=0,USART_RX_STA=0; /********************************************************* ??????????MediumInit1_Config ?????????????®??1??DMA???®????????????TIM4?¨?? **********************************************************/ void MediumInit1_Config(void) { GPIO_InitTypeDef GPIO_InitStructure; USART_InitTypeDef USART_InitStructure; NVIC_InitTypeDef NVIC_InitStructure; RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1|RCC_APB2Periph_GPIOA, ENABLE); //????USART1??GPIOA?±?? USART_DeInit(USART1); //?????®??1 //USART1_TX PA.9 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9; //PA.9 GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; //???????ì???? GPIO_Init(GPIOA, &GPIO_InitStructure); //??????PA9 //USART1_RX PA.10 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;//???????? GPIO_Init(GPIOA, &GPIO_InitStructure); //??????PA10 //Usart1 NVIC ???? NVIC_InitStructure.NVIC_IRQChannel = USART1_IRQn; NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=3 ;//??????????3 NVIC_InitStructure.NVIC_IRQChannelSubPriority = 3; //×???????3 NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; //IRQ?¨?????? NVIC_Init(&NVIC_InitStructure); //?ù?????¨????????????VIC?????÷ //USART ???????è?? USART_InitStructure.USART_BaudRate = 9600;//??°??è????9600; USART_InitStructure.USART_WordLength = USART_WordLength_8b;//×??¤??8?????????? USART_InitStructure.USART_StopBits = USART_StopBits_1;//?????????? USART_InitStructure.USART_Parity = USART_Parity_No;//?????????é?? USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;//???????????÷???? USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx; //??·????? USART_Init(USART1, &USART_InitStructure); //???????®?? USART_ITConfig(USART1, USART_IT_RXNE, ENABLE);//???????? USART_Cmd(USART1, ENABLE); } /********************************************************* ??????????MediumInit2_Config ?????????????®??1??2??DMA???®????????????TIM4?¨?? **********************************************************/ void MediumInit2_Config(void) { NVIC_InitTypeDef NVIC_InitStructure; GPIO_InitTypeDef GPIO_InitStructure; USART_InitTypeDef USART_InitStructure; DMA_InitTypeDef DMA_InitStructure; TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure; RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE); // GPIOA?±?? RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART2,ENABLE); //?®??2?±?????? USART_DeInit(USART2); //?????®??2 //USART2_TX PA.2 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2; //PA.2 GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; //???????ì???? GPIO_Init(GPIOA, &GPIO_InitStructure); //??????PA2 //USART2_RX PA.3 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;//???????? GPIO_Init(GPIOA, &GPIO_InitStructure); //??????PA3 USART_InitStructure.USART_BaudRate = 9600;//?¨??????°??è????9600; USART_InitStructure.USART_WordLength = USART_WordLength_8b;//×??¤??8?????????? USART_InitStructure.USART_StopBits = USART_StopBits_1;//?????????? USART_InitStructure.USART_Parity = USART_Parity_No;//?????????é?? USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;//???????????÷???? USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx; //??·????? USART_Init(USART2, &USART_InitStructure); //???????®?? 2 //?¨?????è?? USART_DMACmd(USART2,USART_DMAReq_Tx,ENABLE); //?????®??2??DMA·??? /********************************DMA1*********************************/ DMA_DeInit(DMA1_Channel7); DMA_InitStructure.DMA_PeripheralBaseAddr = (u32)&USART2->DR; //DMA???èADC?ù???· DMA_InitStructure.DMA_MemoryBaseAddr = (u32)USART2_TX_BUF; //DMA?????ù???· DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralDST; //????????·??ò????????????·????????è DMA_InitStructure.DMA_BufferSize = 0; //DMA?¨????DMA???????ó?? DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable; //???è???·?????÷??±? DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable; //???????·?????÷???? DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Byte; //?????í????8?? DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Byte; //?????í????8?? DMA_InitStructure.DMA_Mode = DMA_Mode_Normal; //?¤×÷?????????????? DMA_InitStructure.DMA_Priority = DMA_Priority_Medium; //DMA?¨?? x???????????? DMA_InitStructure.DMA_M2M = DMA_M2M_Disable; //DMA?¨??x?????è?????????????????? DMA_Init(DMA1_Channel7, &DMA_InitStructure); //?ù??DMA_InitStruct?????¨????????????DMA???¨??USART1_Tx_DMA_Channel?ù±ê?????????÷ USART_Cmd(USART2, ENABLE); //?????®?? USART_ITConfig(USART2, USART_IT_RXNE, ENABLE);//???????? NVIC_InitStructure.NVIC_IRQChannel = USART2_IRQn; NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=2 ;//??????????3 NVIC_InitStructure.NVIC_IRQChannelSubPriority = 3; //×???????3 NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; //IRQ?¨?????? NVIC_Init(&NVIC_InitStructure); //?ù?????¨????????????VIC?????÷ TIM_TimeBaseStructure.TIM_Period = 99; //?è???????????ü??????×°????????×?????×°???????÷???????? TIM_TimeBaseStructure.TIM_Prescaler =7199; //?è??????×÷??TIMx?±?????????????¤·????? TIM_TimeBaseStructure.TIM_ClockDivision = TIM_CKD_DIV1; //?è???±??·???:TDTS = Tck_tim TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up; //TIM?ò?????????? TIM_TimeBaseInit(TIM4, &TIM_TimeBaseStructure); //?ù?????¨????????????TIMx???±???ù?????? TIM_ITConfig(TIM4,TIM_IT_Update,ENABLE ); //???????¨??TIM4????,???í?ü?????? NVIC_InitStructure.NVIC_IRQChannel = TIM4_IRQn; NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=1 ;//??????????3 NVIC_InitStructure.NVIC_IRQChannelSubPriority = 2; //×???????3 NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; //IRQ?¨?????? NVIC_Init(&NVIC_InitStructure); //?ù?????¨????????????VIC?????÷ USART2_RX_STA=0; //???? TIM4_Set(0); //??±??¨?±?÷4 } /********************************************************* ??????????MTIM_Set ???????????¨?±?÷4???? **********************************************************/ void TIM4_Set(u8 sta) { if(sta) { TIM_SetCounter(TIM4,0);//?????÷???? TIM_Cmd(TIM4, ENABLE); //????TIMx }else TIM_Cmd(TIM4, DISABLE);//??±??¨?±?÷4 } /********************************************************* ??????????UART_DMA_Enable ??????????DMA???????? **********************************************************/ void UART_DMA_Enable(DMA_Channel_TypeDef*DMA_CHx,u8 len) { DMA_Cmd(DMA_CHx, DISABLE ); //??±? ???????¨?? DMA_SetCurrDataCounter(DMA_CHx,len);//DMA?¨????DMA???????ó?? DMA_Cmd(DMA_CHx, ENABLE); //????DMA???? } /********************************************************* ??????????u2_printf ???????????®??2printf **********************************************************/ void u2_printf(char* fmt,...) { va_list ap; va_start(ap,fmt); vsprintf((char*)USART2_TX_BUF,fmt,ap); va_end(ap); while(DMA_GetCurrDataCounter(DMA1_Channel7)!=0); //?????¨??7?????ê?? UART_DMA_Enable(DMA1_Channel7,strlen((const char*)USART2_TX_BUF)); //?¨??dma·??????? } /********************************************************* ??????????USART1_IRQHandler ???????????®??1???????? **********************************************************/ void USART1_IRQHandler(void) { u8 Res; if(USART_GetITStatus(USART1, USART_IT_RXNE) != RESET) //????????(????????????±?????0x0d 0x0a?á??) { Res =USART_ReceiveData(USART1);//(USART1->DR); //???????????????? if((USART_RX_STA&0x8000)==0)//???????ê?? { if(USART_RX_STA&0x4000)//????????0x0d { if(Res!=0x0a)USART_RX_STA=0;//?????í?ó,???????? else USART_RX_STA|=0x8000; //?????ê???? } else //????????0X0D { if(Res==0x0d)USART_RX_STA|=0x4000; else { USART_RX_BUF[USART_RX_STA&0X3FFF]=Res ; USART_RX_STA++; if(USART_RX_STA>(USART_REC_LEN-1))USART_RX_STA=0;//?????????í?ó,???????????? } } } } } /********************************************************* ??????????USART2_IRQHandler ???????????®??2???????? **********************************************************/ void USART2_IRQHandler(void) { u8 res; if(USART_GetITStatus(USART2, USART_IT_RXNE) != RESET)//?????????? { res =USART_ReceiveData(USART2); if(USART2_RX_STA<USART2_MAX_RECV_LEN) //?????????????? { TIM_SetCounter(TIM4,0);//?????÷???? if(USART2_RX_STA==0)TIM4_Set(1); //?????¨?±?÷4?????? USART2_RX_BUF[USART2_RX_STA++]=res; //?????????????? }else { USART2_RX_STA|=1<<15; //????±ê???????ê?? } } } /***************************************************************** ??????????TIM4_IRQHandler ???????????¨?±?÷4???? *****************************************************************/ void TIM4_IRQHandler(void) { if (TIM_GetITStatus(TIM4, TIM_IT_Update) != RESET)//???ü?????? { USART2_RX_STA|=1<<15; //±ê???????ê?? TIM_ClearITPendingBit(TIM4, TIM_IT_Update ); //????TIMx?ü??????±ê?? TIM4_Set(0); //??±?TIM4 } } #if 1 #pragma import(__use_no_semihosting) //±ê×????è?????§?????? struct __FILE { int handle; }; FILE __stdout; //?¨??_sys_exit()??±???????°??÷?ú???? _sys_exit(int x) { x = x; } //???¨??fputc???? int fputc(int ch, FILE *f) { while((USART1->SR&0X40)==0);//???··???,?±??·????ê±? USART1->DR = (u8) ch; return ch; } #endif #include "ATK_HC05.h" /********************************************* ??????????HC05_Init ??????????????ATK_HC05??LED??KEY???? *********************************************/ u8 HC05_Init(void) { u8 retry=10,t; u8 temp=1; GPIO_InitTypeDef GPIO_InitStructure; RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC,ENABLE); //????PORTC??C?±?? GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5; // ???????? GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU; //???????? GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; //IO????????50MHz GPIO_Init(GPIOC, &GPIO_InitStructure); //?ù???è?¨??????????A4 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4; // ???????? GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; //???ì???? GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; //IO????????50MHz GPIO_Init(GPIOC, &GPIO_InitStructure); //?ù???è?¨??????????GPIOC4 GPIO_SetBits(GPIOC,GPIO_Pin_4); MediumInit2_Config(); while(retry--) { HC05_KEY=1; //KEY????,????AT???? delay_ms(10); u2_printf("AT\r\n"); //·???AT???????? HC05_KEY=0; //KEY????,????AT???? for(t=0;t<10;t++) //×??¤????50ms,??????HC05???é?????? { if(USART2_RX_STA&0X8000)break; delay_ms(5); } if(USART2_RX_STA&0X8000) //???????????????? { temp=USART2_RX_STA&0X7FFF; //?????????¤?? USART2_RX_STA=0; if(temp==4&&USART2_RX_BUF[0]=='O'&&USART2_RX_BUF[1]=='K') { temp=0;//??????OK?ì?? break; } } } if(retry==0)temp=1; //?ì???§°? return temp; } /********************************************* ??????????HC05_Get_Role ??????????????ATK-HC05???é?????? *********************************************/ u8 HC05_Get_Role(void) { u8 retry=0X0F; u8 temp,t; while(retry--) { HC05_KEY=1; //KEY????,????AT???? delay_ms(10); u2_printf("AT+ROLE?\r\n"); //?é?????? for(t=0;t<20;t++) //×??¤????200ms,??????HC05???é?????? { delay_ms(10); if(USART2_RX_STA&0X8000)break; } HC05_KEY=0; //KEY????,????AT???? if(USART2_RX_STA&0X8000) //???????????????? { temp=USART2_RX_STA&0X7FFF; //?????????¤?? USART2_RX_STA=0; if(temp==13&&USART2_RX_BUF[0]=='+')//?????????·???????? { temp=USART2_RX_BUF[6]-'0';//?????÷???????? break; } } } if(retry==0)temp=0XFF;//?é???§°?. return temp; } /********************************************* ??????????HC05_Set_Cmd ??????????ATK-HC05?è???ü????????????·??? OK???????ü?? *********************************************/ u8 HC05_Set_Cmd(u8* atstr) { u8 retry=0X0F; u8 temp,t; while(retry--) { HC05_KEY=1; //KEY????,????AT???? delay_ms(10); u2_printf("%s\r\n",atstr); //·???AT×?·??® HC05_KEY=0; //KEY????,????AT???? for(t=0;t<20;t++) //×??¤????100ms,??????HC05???é?????? { if(USART2_RX_STA&0X8000)break; delay_ms(5); } if(USART2_RX_STA&0X8000) //???????????????? { temp=USART2_RX_STA&0X7FFF; //?????????¤?? USART2_RX_STA=0; if(temp==4&&USART2_RX_BUF[0]=='O')//?????????·???????? { temp=0; break; } } } if(retry==0)temp=0XFF;//?è???§°?. return temp; } /********************************************* ??????????HC05_CFG_CMD ???????????¨????????,????????USMART, ?÷???????®??2????ATK-HC05???é *********************************************/ void HC05_CFG_CMD(u8 *str) { u8 temp; u8 t; HC05_KEY=1; //KEY????,????AT???? delay_ms(10); u2_printf("%s\r\n",(char*)str); //·??????? for(t=0;t<50;t++) //×??¤????500ms,??????HC05???é?????? { if(USART2_RX_STA&0X8000)break; delay_ms(10); } HC05_KEY=0; //KEY????,????AT???? if(USART2_RX_STA&0X8000) //???????????????? { temp=USART2_RX_STA&0X7FFF; //?????????¤?? USART2_RX_STA=0; USART2_RX_BUF[temp]=0; //???á??·? printf("\r\n%s",USART2_RX_BUF);//·??????????????®??1 } } [/mw_shl_code]

串口2没有收到任何信息

Admin

 是用的我们的库函数版本吗？

库函数版本在这里：
http://openedv.com/posts/list/36652.htm

我不是资源

回复【2楼】Admin:
---------------------------------
用了没问题
但是改了之后就有问题T T

Admin

回复【3楼】我不是资源:
---------------------------------
改了什么。。看看哪里改错了

我不是资源

回复【4楼】Admin:
---------------------------------
就挪下程序，基本没改什么
发给蓝牙模块信号，收到的是FA，而不是OK

    while(retry--)
425
    {
426
        HC05_KEY=1;                 
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        delay_ms(10);
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        u2_printf("AT\r\n");        
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        HC05_KEY=0;                 
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        for(t=0;t<10;t++)  
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        {
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            if(USART2_RX_STA&0X8000)break;
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            delay_ms(5);
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        }      
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        if(USART2_RX_STA&0X8000)  
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        {
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            temp=USART2_RX_STA&0X7FFF;  
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            USART2_RX_STA=0;            
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            if(temp==4&&USART2_RX_BUF[0]=='O'&&USART2_RX_BUF[1]=='K')
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            {
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                temp=0;
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                break;
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            }
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        }                      
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    }          
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    if(retry==0)temp=1; 
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    return temp;    
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}