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/*********************************************************
*Copyright (C), 2017, Shanghai Eastsoft Microelectronics Co., Ltd.
*文件名: uart.c
*作 者: Liut
*版 本: V1.00
*日 期: 2017/06/26
*描 述:
*备 注: 适用于HRSDK-GDB-HR8P506 V1.0
本软件仅供学习和演示使用，对用户直接引用代码所带来的风险或后果不承担任何法律责任。
**********************************************************/
#include "main.h"
uint16_t recvCrc;
uint16_t calcrc = 0;
uint16_t StartCheckSum = 0;
uint16_t MsgCheckSum = 0;
/*********************************************************
函数名: void UARTInit(void)
描 述: UART初始化子程序
输入值: 无
输出值: 无
返回值: 无
**********************************************************/
void UART0Init(void)
{
GPIO_InitSettingType x;
UART_InitStruType y;
x.Signal = GPIO_Pin_Signal_Digital;
x.Dir = GPIO_Direction_Output;
x.Func = GPIO_Reuse_Func1;
x.ODE = GPIO_ODE_Output_Disable;
x.DS = GPIO_DS_Output_Strong;
x.PUE = GPIO_PUE_Input_Disable;
x.PDE = GPIO_PDE_Input_Disable;
GPIO_Init(GPIO_Pin_A23, &x); //TXD - PA23
x.Signal = GPIO_Pin_Signal_Digital;
x.Func = GPIO_Reuse_Func1;
x.Dir = GPIO_Direction_Input;
x.ODE = GPIO_ODE_Output_Disable;
x.DS = GPIO_DS_Output_Strong;
x.PUE = GPIO_PUE_Input_Disable;
x.PDE = GPIO_PDE_Input_Disable;
GPIO_Init(GPIO_Pin_A22, &x); //RXD - PA22
y.UART_StopBits = UART_StopBits_1; //停止位：1
y.UART_TxMode = UART_DataMode_8; //发送数据格式：8位数据
y.UART_TxPolar = UART_Polar_Normal; //发送端口极性：正常
y.UART_RxMode = UART_DataMode_8; //接收数据格式：8位数据
y.UART_RxPolar = UART_Polar_Normal; //接收端口极性：正常
y.UART_BaudRate = 1200; //波特率
y.UART_ClockSet = UART_Clock_1; //时钟选择：Pclk
UART_Init(UART0, &y);
UART_BaudFreeConfig(UART0, UART_AUTO_BAUD_FREE_MODE1);//使能空闲检测,检测连续10个比特位空闲
UART_TBIMConfig(UART0, UART_TBIM_Byte);
UART_RBIMConfig(UART0, UART_TBIM_Byte);
UART_ITConfig(UART0, UART_IT_RB, Enable);
NVIC_Init(NVIC_UART0_IRQn, NVIC_Priority_1, Enable);
UART0_TxEnable();
UART0_RxEnable();
}
/*********************************************************
函数名: void UARTInit(void)
描 述: UART初始化子程序
输入值: 无
输出值: 无
返回值: 无
**********************************************************/
void UART1Init(void)
{
GPIO_InitSettingType x;
UART_InitStruType y;
x.Signal = GPIO_Pin_Signal_Digital;
x.Dir = GPIO_Direction_Output;
x.Func = GPIO_Reuse_Func2;
x.ODE = GPIO_ODE_Output_Disable;
x.DS = GPIO_DS_Output_Strong;
x.PUE = GPIO_PUE_Input_Disable;
x.PDE = GPIO_PDE_Input_Disable;
GPIO_Init(GPIO_Pin_B1, &x); //TXD - PB1
x.Signal = GPIO_Pin_Signal_Digital;
x.Func = GPIO_Reuse_Func2;
x.Dir = GPIO_Direction_Input;
x.ODE = GPIO_ODE_Output_Disable;
x.DS = GPIO_DS_Output_Strong;
x.PUE = GPIO_PUE_Input_Disable;
x.PDE = GPIO_PDE_Input_Disable;
GPIO_Init(GPIO_Pin_B0, &x); //RXD - PB0
y.UART_StopBits = UART_StopBits_1; //停止位：1
y.UART_TxMode = UART_DataMode_8; //发送数据格式：8位数据
y.UART_TxPolar = UART_Polar_Normal; //发送端口极性：正常
y.UART_RxMode = UART_DataMode_8; //接收数据格式：8位数据
y.UART_RxPolar = UART_Polar_Normal; //接收端口极性：正常
y.UART_BaudRate = 9600; //波特率
y.UART_ClockSet = UART_Clock_1; //时钟选择：Pclk
UART_Init(UART1, &y);
UART_BaudFreeConfig(UART1, UART_AUTO_BAUD_FREE_MODE1);//使能空闲检测,检测连续10个比特位空闲
UART_TBIMConfig(UART1, UART_TBIM_Byte);
UART_RBIMConfig(UART1, UART_TBIM_Byte);
UART_ITConfig(UART1, UART_IT_RB, Enable);
NVIC_Init(NVIC_UART1_IRQn, NVIC_Priority_1, Enable);
UART1_TxEnable();
UART1_RxEnable();
}
uint8_t strAssign(StringType *String,uint8_t *chars)
{
uint8_t i;
// if(strlen(chars)>MAXSIZE+1){
// return 0;
// }
String->len = sizeof(chars) / sizeof(uint8_t);
for(i = 0;i<String->len;i++){
String->ch[i] = *(chars+i);
String->chsum += *(chars+i);
}
String->ch[i] = (String->chsum>>8)&0xff;//??
String->ch[i+1] = String->chsum&0xff;//??
String->chsum = 0x00;
String->len = String->len+2;
return 1;
}
//RS485发送len个字节.
//buf:发送区首地址
//len:发送的字节数(为了和本代码的接收匹配,这里建议不要超过64个字节)
void UART_Send_Data(UART_TypeDef *UARTx,uint8_t *buf,uint8_t len)
{
uint8_t t=0;
uint32_t getFlagStaCnt = 0;
//RS485_TX_EN=1; //设置为发送模式
while(t < len)
{
UART_SendByte(UARTx,buf[t++]);
getFlagStaCnt = 0;
while(UART_GetFlagStatus(UARTx, UART_FLAG_TB) == RESET)
{
getFlagStaCnt++;
if (getFlagStaCnt > USART_GETFLAGSTATUSTOTAL)
{
break;
}
}
UART_ClearITPendingBit(UARTx,UART_CLR_TC);
}
getFlagStaCnt = 0;
while(UART_GetFlagStatus(UARTx, UART_FLAG_TC) == RESET)
{
getFlagStaCnt++;
if(getFlagStaCnt > USART_GETFLAGSTATUSTOTAL)
{
break;
}
}
UART_ClearITPendingBit(UARTx,UART_CLR_TC);
}
void Uart_MSG_Deal(void)
{
uint8_t i = 0,j=0;
if(Rxd0Cnt >= 30){
for(i=0;i<30;i++){
if((Rx0Buff[i] == 0x55)&&(Rx0Buff[i+1] == 0x03)&&(Rx0Buff[i+2] == 0x01)){
for(j=i;j<i+4;j++){
StartCheckSum += Rx0Buff[j];
Rxd0Cnt = 0;
}
if(StartCheckSum == ((Rx0Buff[i+4]<<8)+Rx0Buff[i+5])){
AfterStage.Flag.RecStart = 1;
}
StartCheckSum = 0;
}
if((Rx0Buff[i] == 0x55)&&(Rx0Buff[i+1] == 0x05)){//0x55 05 00 00 00 00 00 crc
for(j=i;j<i+7;j++){
MsgCheckSum += Rx0Buff[j];
if(j==i+6){
AfterStage.Flag.Err = Rx0Buff[j];
}
//Rxd0Cnt = 0;
}
if(MsgCheckSum == ((Rx0Buff[i+7]<<8)+Rx0Buff[i+8])){
AfterStage.Flag.RecMsg = 1;
}
MsgCheckSum =0;
//recCheckSum = 0;
}
}
Rxd0Cnt = 0;
memset(Rx0Buff,0,RX0BUFSIZE);
memset(rxFrame.RecBuff,0,RX0BUFSIZE);
}
}