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stm32_ota/OLED显示屏资料/03中景园电子1.3英寸OLED显示屏测试程序/09中景园1.3英寸OLED-SPI STM32F407程序-直接配合中景园开发板/SYSTEM/usart/usart.c

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stm32_ota
2024-12-17 20:03:43 +08:00
#include "sys.h"
#include "usart.h"
//////////////////////////////////////////////////////////////////////////////////
//<2F><><EFBFBD><EFBFBD>ʹ<EFBFBD><CAB9>ucos,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͷ<EFBFBD>ļ<EFBFBD><C4BC><EFBFBD><EFBFBD><EFBFBD>.
#if SYSTEM_SUPPORT_OS
#include "includes.h" //ucos ʹ<><CAB9>
#endif
//////////////////////////////////////////////////////////////////////////////////
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֻ<EFBFBD><D6BB>ѧϰʹ<CFB0>ã<EFBFBD>δ<EFBFBD><CEB4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɣ<EFBFBD><C9A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>κ<EFBFBD><CEBA><EFBFBD>;
//ALIENTEK STM32F4̽<34><CCBD><EFBFBD>߿<EFBFBD><DFBF><EFBFBD><EFBFBD><EFBFBD>
//<2F><><EFBFBD><EFBFBD>1<EFBFBD><31>ʼ<EFBFBD><CABC>
//<2F><><EFBFBD><EFBFBD>ԭ<EFBFBD><D4AD>@ALIENTEK
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̳:www.openedv.com
//<2F>޸<EFBFBD><DEB8><EFBFBD><EFBFBD><EFBFBD>:2014/6/10
//<2F>汾<EFBFBD><E6B1BE>V1.5
//<2F><>Ȩ<EFBFBD><C8A8><EFBFBD>У<EFBFBD><D0A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ؾ<EFBFBD><D8BE><EFBFBD>
//Copyright(C) <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӿƼ<D3BF><C6BC><EFBFBD><EFBFBD>޹<EFBFBD>˾ 2009-2019
//All rights reserved
//********************************************************************************
//V1.3<EFBFBD>޸<EFBFBD>˵<EFBFBD><EFBFBD>
//֧<><D6A7><EFBFBD><EFBFBD>Ӧ<EFBFBD><D3A6>ͬƵ<CDAC><C6B5><EFBFBD>µĴ<C2B5><C4B4>ڲ<EFBFBD><DAB2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>.
//<2F><><EFBFBD><EFBFBD><EFBFBD>˶<EFBFBD>printf<74><66>֧<EFBFBD><D6A7>
//<2F><><EFBFBD><EFBFBD><EFBFBD>˴<EFBFBD><CBB4>ڽ<EFBFBD><DABD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EEB9A6>.
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>printf<74><66>һ<EFBFBD><D2BB><EFBFBD>ַ<EFBFBD><D6B7><EFBFBD>ʧ<EFBFBD><CAA7>bug
//V1.4<EFBFBD>޸<EFBFBD>˵<EFBFBD><EFBFBD>
//1,<2C>޸Ĵ<DEB8><C4B4>ڳ<EFBFBD>ʼ<EFBFBD><CABC>IO<49><4F>bug
//2,<2C>޸<EFBFBD><DEB8><EFBFBD>USART_RX_STA,ʹ<>ô<EFBFBD><C3B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֽ<EFBFBD><D6BD><EFBFBD>Ϊ2<CEAA><32>14<31>η<EFBFBD>
//3,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>USART_REC_LEN,<2C><><EFBFBD>ڶ<EFBFBD><DAB6>崮<EFBFBD><E5B4AE><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>յ<EFBFBD><D5B5>ֽ<EFBFBD><D6BD><EFBFBD>(<28><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>2<EFBFBD><32>14<31>η<EFBFBD>)
//4,<2C>޸<EFBFBD><DEB8><EFBFBD>EN_USART1_RX<52><58>ʹ<EFBFBD>ܷ<EFBFBD>ʽ
//V1.5<EFBFBD>޸<EFBFBD>˵<EFBFBD><EFBFBD>
//1,<2C><><EFBFBD><EFBFBD><EFBFBD>˶<EFBFBD>UCOSII<49><49>֧<EFBFBD><D6A7>
//////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>´<EFBFBD><C2B4><EFBFBD>,֧<><D6A7>printf<74><66><EFBFBD><EFBFBD>,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫѡ<D2AA><D1A1>use MicroLIB
#if 1
#pragma import(__use_no_semihosting)
//<2F><>׼<EFBFBD><D7BC><EFBFBD><EFBFBD>Ҫ<EFBFBD><D2AA>֧<EFBFBD>ֺ<EFBFBD><D6BA><EFBFBD>
struct __FILE
{
int handle;
};
FILE __stdout;
//<2F><><EFBFBD><EFBFBD>_sys_exit()<29>Ա<EFBFBD><D4B1><EFBFBD>ʹ<EFBFBD>ð<EFBFBD><C3B0><EFBFBD><EFBFBD><EFBFBD>ģʽ
_sys_exit(int x)
{
x = x;
}
//<2F>ض<EFBFBD><D8B6><EFBFBD>fputc<74><63><EFBFBD><EFBFBD>
int fputc(int ch, FILE *f)
{
while((USART1->SR&0X40)==0);//ѭ<><D1AD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,ֱ<><D6B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
USART1->DR = (u8) ch;
return ch;
}
#endif
#if EN_USART1_RX //<2F><><EFBFBD><EFBFBD>ʹ<EFBFBD><CAB9><EFBFBD>˽<EFBFBD><CBBD><EFBFBD>
//<2F><><EFBFBD><EFBFBD>1<EFBFBD>жϷ<D0B6><CFB7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//ע<><D7A2>,<2C><>ȡUSARTx->SR<53>ܱ<EFBFBD><DCB1><EFBFBD>Ī<EFBFBD><C4AA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ĵ<EFBFBD><C4B4><EFBFBD>
u8 USART_RX_BUF[USART_REC_LEN]; //<2F><><EFBFBD>ջ<EFBFBD><D5BB><EFBFBD>,<2C><><EFBFBD><EFBFBD>USART_REC_LEN<45><4E><EFBFBD>ֽ<EFBFBD>.
//<2F><><EFBFBD><EFBFBD>״̬
//bit15<31><35> <09><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɱ<EFBFBD>־
//bit14<31><34> <09><><EFBFBD>յ<EFBFBD>0x0d
//bit13~0<><30> <09><><EFBFBD>յ<EFBFBD><D5B5><EFBFBD><EFBFBD><EFBFBD>Ч<EFBFBD>ֽ<EFBFBD><D6BD><EFBFBD>Ŀ
u16 USART_RX_STA=0; //<2F><><EFBFBD><EFBFBD>״̬<D7B4><CCAC><EFBFBD><EFBFBD>
//<2F><>ʼ<EFBFBD><CABC>IO <20><><EFBFBD><EFBFBD>1
//bound:<3A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
void uart_init(u32 bound){
//GPIO<49>˿<EFBFBD><CBBF><EFBFBD><EFBFBD><EFBFBD>
GPIO_InitTypeDef GPIO_InitStructure;
USART_InitTypeDef USART_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA,ENABLE); //ʹ<><CAB9>GPIOAʱ<41><CAB1>
RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1,ENABLE);//ʹ<><CAB9>USART1ʱ<31><CAB1>
//<2F><><EFBFBD><EFBFBD>1<EFBFBD><31>Ӧ<EFBFBD><D3A6><EFBFBD>Ÿ<EFBFBD><C5B8><EFBFBD>ӳ<EFBFBD><D3B3>
GPIO_PinAFConfig(GPIOA,GPIO_PinSource9,GPIO_AF_USART1); //GPIOA9<41><39><EFBFBD><EFBFBD>ΪUSART1
GPIO_PinAFConfig(GPIOA,GPIO_PinSource10,GPIO_AF_USART1); //GPIOA10<31><30><EFBFBD><EFBFBD>ΪUSART1
//USART1<54>˿<EFBFBD><CBBF><EFBFBD><EFBFBD><EFBFBD>
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9 | GPIO_Pin_10; //GPIOA9<41><39>GPIOA10
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;//<2F><><EFBFBD>ù<EFBFBD><C3B9><EFBFBD>
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; //<2F>ٶ<EFBFBD>50MHz
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP; //<2F><><EFBFBD>츴<EFBFBD><ECB8B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP; //<2F><><EFBFBD><EFBFBD>
GPIO_Init(GPIOA,&GPIO_InitStructure); //<2F><>ʼ<EFBFBD><CABC>PA9<41><39>PA10
//USART1 <20><>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
USART_InitStructure.USART_BaudRate = bound;//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
USART_InitStructure.USART_WordLength = USART_WordLength_8b;//<2F>ֳ<EFBFBD>Ϊ8λ<38><CEBB><EFBFBD>ݸ<EFBFBD>ʽ
USART_InitStructure.USART_StopBits = USART_StopBits_1;//һ<><D2BB>ֹͣλ
USART_InitStructure.USART_Parity = USART_Parity_No;//<2F><><EFBFBD><EFBFBD>żУ<C5BC><D0A3>λ
USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;//<2F><>Ӳ<EFBFBD><D3B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx; //<2F>շ<EFBFBD>ģʽ
USART_Init(USART1, &USART_InitStructure); //<2F><>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>1
USART_Cmd(USART1, ENABLE); //ʹ<>ܴ<EFBFBD><DCB4><EFBFBD>1
//USART_ClearFlag(USART1, USART_FLAG_TC);
#if EN_USART1_RX
USART_ITConfig(USART1, USART_IT_RXNE, ENABLE);//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>
//Usart1 NVIC <20><><EFBFBD><EFBFBD>
NVIC_InitStructure.NVIC_IRQChannel = USART1_IRQn;//<2F><><EFBFBD><EFBFBD>1<EFBFBD>ж<EFBFBD>ͨ<EFBFBD><CDA8>
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=3;//<2F><>ռ<EFBFBD><D5BC><EFBFBD>ȼ<EFBFBD>3
NVIC_InitStructure.NVIC_IRQChannelSubPriority =3; //<2F><><EFBFBD><EFBFBD><EFBFBD>ȼ<EFBFBD>3
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; //IRQͨ<51><CDA8>ʹ<EFBFBD><CAB9>
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><EFBFBD><EFBFBD>
#endif
}
void USART1_IRQHandler(void) //<2F><><EFBFBD><EFBFBD>1<EFBFBD>жϷ<D0B6><CFB7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
{
u8 Res;
#if SYSTEM_SUPPORT_OS //<2F><><EFBFBD><EFBFBD>SYSTEM_SUPPORT_OSΪ<53>棬<EFBFBD><E6A3AC><EFBFBD><EFBFBD>Ҫ֧<D2AA><D6A7>OS.
OSIntEnter();
#endif
if(USART_GetITStatus(USART1, USART_IT_RXNE) != RESET) //<2F><><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>(<28><><EFBFBD>յ<EFBFBD><D5B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݱ<EFBFBD><DDB1><EFBFBD><EFBFBD><EFBFBD>0x0d 0x0a<30><61>β)
{
Res =USART_ReceiveData(USART1);//(USART1->DR); //<2F><>ȡ<EFBFBD><C8A1><EFBFBD>յ<EFBFBD><D5B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
if((USART_RX_STA&0x8000)==0)//<2F><><EFBFBD><EFBFBD>δ<EFBFBD><CEB4><EFBFBD><EFBFBD>
{
if(USART_RX_STA&0x4000)//<2F><><EFBFBD>յ<EFBFBD><D5B5><EFBFBD>0x0d
{
if(Res!=0x0a)USART_RX_STA=0;//<2F><><EFBFBD>մ<EFBFBD><D5B4><EFBFBD>,<2C><><EFBFBD>¿<EFBFBD>ʼ
else USART_RX_STA|=0x8000; //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
}
else //<2F><>û<EFBFBD>յ<EFBFBD>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;//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݴ<EFBFBD><DDB4><EFBFBD>,<2C><><EFBFBD>¿<EFBFBD>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD>
}
}
}
}
#if SYSTEM_SUPPORT_OS //<2F><><EFBFBD><EFBFBD>SYSTEM_SUPPORT_OSΪ<53>棬<EFBFBD><E6A3AC><EFBFBD><EFBFBD>Ҫ֧<D2AA><D6A7>OS.
OSIntExit();
#endif
}
#endif
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