#if EN_USART3_RX //èç1ûê1Äüá˽óêÕ
//′®¿ú1ÖD¶Ï·tÎñ3ìDò
//×¢òa,¶áè¡USARTx->SRÄü±üÃaÄaÃûÆäÃîμÄ′íÎó
u8 USART_RX_BUF3[USART_REC_LEN]; //½óêÕ»o3å,×î′óUSART_REC_LEN¸ö×Ö½ú.
//½óêÕ×′ì¬
//bit15£¬ ½óêÕíê3é±êÖ¾
//bit14£¬ ½óêÕμ½0x0d
//bit13~0£¬ ½óêÕμ½μÄóDD§×Ö½úêyÄ¿
u16 USART_RX_STA3=0; //½óêÕ×′쬱ê¼Ç
void uart3_init(u32 bound){
//GPIO¶Ë¿úéèÖÃ
GPIO_InitTypeDef GPIO_InitStructure3;
USART_InitTypeDef USART_InitStructure3;
NVIC_InitTypeDef NVIC_InitStructure3;
RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART3, ENABLE); //ê1ÄüUSART3
//////////////////////////////////////////////////////////////////////////////////////
//USART3_TX GPIOB.10
GPIO_InitStructure3.GPIO_Pin = GPIO_Pin_10; //PB.10
GPIO_InitStructure3.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure3.GPIO_Mode = GPIO_Mode_AF_PP; //¸′óÃíÆíìêä3ö
GPIO_Init(GPIOB, &GPIO_InitStructure3);//3õê¼»ˉGPIOB.10
//USART3_RX GPIOB.11 3õê¼»ˉ
GPIO_InitStructure3.GPIO_Pin = GPIO_Pin_11;//PB.11
GPIO_InitStructure3.GPIO_Mode = GPIO_Mode_IN_FLOATING;//¸¡¿Õêäèë
GPIO_Init(GPIOB, &GPIO_InitStructure3);//3õê¼»ˉGPIOB.11
//Usart2 NVIC ÅäÖÃ
NVIC_InitStructure3.NVIC_IRQChannel = USART3_IRQn;
NVIC_InitStructure3.NVIC_IRQChannelPreemptionPriority=0 ;//ÇàÕ¼óÅÏ輶0
NVIC_InitStructure3.NVIC_IRQChannelSubPriority = 3; //×óóÅÏ輶3
NVIC_InitStructure3.NVIC_IRQChannelCmd = ENABLE; //IRQí¨μàê1Äü
NVIC_Init(&NVIC_InitStructure3); //¸ù¾YÖ¸¶¨μÄ2Îêy3õê¼»ˉVIC¼Ä′æÆ÷
//USART 3õê¼»ˉéèÖÃ
USART_InitStructure3.USART_BaudRate = bound;//′®¿ú2¨ìØÂê
USART_InitStructure3.USART_WordLength = USART_WordLength_8b;//×Ö3¤Îa8λêy¾Y¸ñê½
USART_InitStructure3.USART_StopBits = USART_StopBits_1;//ò»¸öí£Ö1λ
USART_InitStructure3.USART_Parity = USART_Parity_No;//ÎTÆæżD£Ñéλ
USART_InitStructure3.USART_HardwareFlowControl = USART_HardwareFlowControl_None;//ÎTó2¼têy¾Yá÷¿ØÖÆ
USART_InitStructure3.USART_Mode = USART_Mode_Rx | USART_Mode_Tx; //êÕ·¢Ä£ê½
USART_Init(USART3, &USART_InitStructure3); //3õê¼»ˉ′®¿ú3
USART_ITConfig(USART3, USART_IT_RXNE, ENABLE);//¿aÆô′®¿ú½óêüÖD¶Ï
USART_Cmd(USART3, ENABLE); //ê1Äü′®¿ú3
}
void USART3_IRQHandler(void) //′®¿ú3ÖD¶Ï·tÎñ3ìDò
{
u8 Res3;
#if SYSTEM_SUPPORT_OS //èç1ûSYSTEM_SUPPORT_OSÎaÕ棬ÔòDèòaÖ§3ÖOS.
OSIntEnter();
#endif
if(USART_GetITStatus(USART3, USART_IT_RXNE) != RESET) //½óêÕÖD¶Ï(½óêÕμ½μÄêy¾Y±ØDëêÇ0x0d 0x0a½áÎ2)
{
Res3 =USART_ReceiveData(USART3); //¶á衽óêÕμ½μÄêy¾Y
if((USART_RX_STA3&0x8000)==0)//½óêÕÎ′íê3é
{
if(USART_RX_STA3&0x4000)//½óêÕμ½áË0x0d
{
if(Res3!=0x0a)USART_RX_STA3=0;//½óêÕ′íÎó,ÖØD¿aê¼
else USART_RX_STA3|=0x8000; //½óêÕíê3éáË
}
else //»1ûêÕμ½0X0D
{
if(Res3==0x0d)USART_RX_STA3|=0x4000;
else
{
USART_RX_BUF3[USART_RX_STA3&0X3FFF]=Res3 ;
USART_RX_STA3++;
if(USART_RX_STA3>(USART_REC_LEN-1))USART_RX_STA3=0;//½óêÕêy¾Y′íÎó,ÖØD¿aê¼½óêÕ
}
}
}
}
#if SYSTEM_SUPPORT_OS //èç1ûSYSTEM_SUPPORT_OSÎaÕ棬ÔòDèòaÖ§3ÖOS.
OSIntExit();
#endif
}
#endif
#if EN_USART5_RX
u8 USART_RX_BUF5[USART_REC_LEN];
u16 USART_RX_STA5=0;
void uart5_init(u32 bound){
GPIO_InitTypeDef GPIO_InitStructure5;
USART_InitTypeDef USART_InitStructure5;
NVIC_InitTypeDef NVIC_InitStructure5;
RCC_APB1PeriphClockCmd(RCC_APB1Periph_UART5,ENABLE);
//////////////////////////////////////////////////////////////////////////////////////
//USART5_TX GPIOC.12
GPIO_InitStructure5.GPIO_Pin = GPIO_Pin_12; //PC.12
GPIO_InitStructure5.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure5.GPIO_Mode = GPIO_Mode_AF_PP; //¸′óÃíÆíìêä3ö
GPIO_Init(GPIOC, &GPIO_InitStructure5);//3õê¼»ˉGPIOC.12
//USART5_RX GPIOD.2 3õê¼»ˉ
GPIO_InitStructure5.GPIO_Pin = GPIO_Pin_2;//PC.11
GPIO_InitStructure5.GPIO_Mode = GPIO_Mode_IN_FLOATING;//¸¡¿Õêäèë
GPIO_Init(GPIOD, &GPIO_InitStructure5);//3õê¼»ˉGPIOB.11
//Usart5 NVIC ÅäÖÃ
NVIC_InitStructure5.NVIC_IRQChannel = UART5_IRQn;
NVIC_InitStructure5.NVIC_IRQChannelPreemptionPriority=0 ;//ÇàÕ¼óÅÏ輶3
NVIC_InitStructure5.NVIC_IRQChannelSubPriority = 5; //×óóÅÏ輶3
NVIC_InitStructure5.NVIC_IRQChannelCmd = ENABLE; //IRQí¨μàê1Äü
NVIC_Init(&NVIC_InitStructure5); //¸ù¾YÖ¸¶¨μÄ2Îêy3õê¼»ˉVIC¼Ä′æÆ÷
//USART 3õê¼»ˉéèÖÃ
USART_InitStructure5.USART_BaudRate = bound;//′®¿ú2¨ìØÂê
USART_InitStructure5.USART_WordLength = USART_WordLength_8b;//×Ö3¤Îa8λêy¾Y¸ñê½
USART_InitStructure5.USART_StopBits = USART_StopBits_1;//ò»¸öí£Ö1λ
USART_InitStructure5.USART_Parity = USART_Parity_No;//ÎTÆæżD£Ñéλ
USART_InitStructure5.USART_HardwareFlowControl = USART_HardwareFlowControl_None;//ÎTó2¼têy¾Yá÷¿ØÖÆ
USART_InitStructure5.USART_Mode = USART_Mode_Rx | USART_Mode_Tx; //êÕ·¢Ä£ê½
USART_Init(UART5, &USART_InitStructure5); //3õê¼»ˉ′®¿ú5
USART_ITConfig(UART5, USART_IT_RXNE, ENABLE);//¿aÆô′®¿ú½óêüÖD¶Ï
USART_Cmd(UART5, ENABLE); //ê1Äü′®¿ú5
}
void UART5_IRQHandler(void) //′®¿ú5ÖD¶Ï·tÎñ3ìDò
{
u8 Res5;
#if SYSTEM_SUPPORT_OS //èç1ûSYSTEM_SUPPORT_OSÎaÕ棬ÔòDèòaÖ§3ÖOS.
OSIntEnter();
#endif
if(USART_GetITStatus(UART5, USART_IT_RXNE) != RESET) //½óêÕÖD¶Ï(½óêÕμ½μÄêy¾Y±ØDëêÇ0x0d 0x0a½áÎ2)
{
Res5 =USART_ReceiveData(UART5); //¶á衽óêÕμ½μÄêy¾Y
if((USART_RX_STA5&0x8000)==0)//½óêÕÎ′íê3é
{
if(USART_RX_STA5&0x4000)//½óêÕμ½áË0x0d
{
if(Res5!=0x0a)USART_RX_STA5=0;//½óêÕ′íÎó,ÖØD¿aê¼
else USART_RX_STA5|=0x8000; //½óêÕíê3éáË
}
else
{
if(Res5==0x0d)USART_RX_STA5|=0x4000;
else
{
USART_RX_BUF5[USART_RX_STA5&0X3FFF]=Res5 ;
USART_RX_STA5++;
if(USART_RX_STA5>(USART_REC_LEN-1))USART_RX_STA5=0;//½óêÕêy¾Y′íÎó,ÖØD¿aê¼½óêÕ
}
}
}
}
#if SYSTEM_SUPPORT_OS //èç1ûSYSTEM_SUPPORT_OSÎaÕ棬ÔòDèòaÖ§3ÖOS.
OSIntExit();
#endif
}
#endif
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