107 lines
3.1 KiB
C
107 lines
3.1 KiB
C
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#include "bt.h"
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char RxPacket[17];
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unsigned char flag;
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char open[] = "o";
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char close[] = "c";
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void uart1_init(u32 bound)
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{
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//GPIO<49>˿<EFBFBD><CBBF><EFBFBD><EFBFBD><EFBFBD>
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GPIO_InitTypeDef GPIO_InitStructure;
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USART_InitTypeDef USART_InitStructure;
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NVIC_InitTypeDef NVIC_InitStructure;
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RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA,ENABLE);//ʹ<><CAB9>UGPIOAʱ<41><CAB1>
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RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1,ENABLE);//ʹ<><CAB9>USART1ʱ<31><CAB1>
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//USART1_TX
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GPIO_InitStructure.GPIO_Pin=GPIO_Pin_3;//PA9
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GPIO_InitStructure.GPIO_Speed=GPIO_Speed_50MHz;
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GPIO_InitStructure.GPIO_Mode=GPIO_Mode_AF_PP;//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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GPIO_Init(GPIOB,&GPIO_InitStructure);
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//USART1_RX
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GPIO_InitStructure.GPIO_Pin=GPIO_Pin_4;//PA10
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GPIO_InitStructure.GPIO_Mode=GPIO_Mode_IN_FLOATING;//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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GPIO_Init(GPIOB,&GPIO_InitStructure);
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//Usart1 NVIC <20><><EFBFBD><EFBFBD>
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NVIC_InitStructure.NVIC_IRQChannel=USART1_IRQn;
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NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=0 ;//<2F><>ռ<EFBFBD><D5BC><EFBFBD>ȼ<EFBFBD>
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NVIC_InitStructure.NVIC_IRQChannelSubPriority=1; //<2F><><EFBFBD><EFBFBD><EFBFBD>ȼ<EFBFBD>
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NVIC_InitStructure.NVIC_IRQChannelCmd=ENABLE; //IRQͨ<51><CDA8>ʹ<EFBFBD><CAB9>
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NVIC_Init(&NVIC_InitStructure); //<2F><><EFBFBD><EFBFBD>ָ<EFBFBD><D6B8><EFBFBD>IJ<EFBFBD><C4B2><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><CABC>VIC<49>Ĵ<EFBFBD><C4B4><EFBFBD>
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//USART <20><>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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USART_InitStructure.USART_BaudRate=bound;//<2F><><EFBFBD>ڲ<EFBFBD><DAB2><EFBFBD><EFBFBD><EFBFBD>
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USART_InitStructure.USART_WordLength=USART_WordLength_8b;//<2F>ֳ<EFBFBD>Ϊ8λ<38><CEBB><EFBFBD>ݸ<EFBFBD>ʽ
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USART_InitStructure.USART_StopBits=USART_StopBits_1;//һ<><D2BB>ֹͣλ
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USART_InitStructure.USART_Parity=USART_Parity_No;//<2F><><EFBFBD><EFBFBD>żУ<C5BC><D0A3>λ
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USART_InitStructure.USART_HardwareFlowControl=USART_HardwareFlowControl_None;//<2F><>Ӳ<EFBFBD><D3B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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USART_InitStructure.USART_Mode=USART_Mode_Rx|USART_Mode_Tx; //<2F>շ<EFBFBD>ģʽ
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USART_Init(USART1,&USART_InitStructure); //<2F><>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>1
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USART_ITConfig(USART1,USART_IT_RXNE,ENABLE);//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڽ<EFBFBD><DABD><EFBFBD><EFBFBD>ж<EFBFBD>
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USART_ITConfig(USART1,USART_IT_IDLE,ENABLE);
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USART_Cmd(USART1,ENABLE); //ʹ<>ܴ<EFBFBD><DCB4><EFBFBD>1
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}
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void BT_Send(char *string)
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{
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flag=0;
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printf("%s",string);
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while(flag==0);
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}
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void BT_Init(void)
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{
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uart1_init(115200);
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BT_Send("AT+BAUD8");
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BT_Send("AT");
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BT_Send("AT+VERSION");
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BT_Send("AT+NAMEJOJO");
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BT_Send("AT+PIN1234");
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OLED_ShowString(3,1,"OK");
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}
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int BT_Judge(void)
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{
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if(strcmp(RxPacket,open))
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return 1;
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else
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return 0;
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}
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/**************************************************************************
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Function: Receive interrupt function
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Input : none
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Output : none
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<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ܣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>1<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>
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<EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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<EFBFBD><EFBFBD><EFBFBD><EFBFBD> ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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**************************************************************************/
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void USART1_IRQHandler(void)
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{
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static unsigned char i=0;
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unsigned char clear;
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if(USART_GetITStatus(USART1,USART_IT_RXNE)!=RESET)
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{
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RxPacket[i++]=USART_ReceiveData(USART1);
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USART_ClearITPendingBit(USART1,USART_IT_RXNE);
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}
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else if((USART_GetITStatus(USART1,USART_IT_IDLE)!=RESET))
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{
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RxPacket[16]=0x00;
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OLED_ShowString(2,1,RxPacket);
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i=0;
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memset(RxPacket,' ',17);
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clear=USART1->SR;
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clear=USART1->DR;
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flag=1;
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}
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}
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int fputc(int ch,FILE *f)
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{
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while((USART1->SR&0X40)==0);
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USART1->DR=(unsigned char)ch;
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return ch;
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}
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