标题:
N76E003 uart 参考代码
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作者:
liyi519
时间:
2019-8-23 18:04
标题:
N76E003 uart 参考代码
N76E003 uart 参考代码:
#include "N76E003.h"
#include "Common.h"
#include "Delay.h"
#include "SFR_Macro.h"
#include "Function_define.h"
/******************************************************************************
* FUNCTION_PURPOSE: Serial interrupt, echo received data.
* FUNCTION_INPUTS : P0.7(RXD) serial input
* FUNCTION_OUTPUTS: P0.6(TXD) serial output
* Following setting in Common.c
******************************************************************************/
#if 0
//void InitialUART0_Timer1(UINT32 u32Baudrate) //T1M = 1, SMOD = 1
//{
// P06_Quasi_Mode;
// P07_Quasi_Mode;
//
// SCON = 0x52; //UART0 Mode1,REN=1,TI=1
// TMOD |= 0x20; //Timer1 Mode1
//
// set_SMOD; //UART0 Double Rate Enable
// set_T1M;
// clr_BRCK; //Serial port 0 baud rate clock source = Timer1
//
//#ifdef FOSC_160000
// TH1 = 256 - (1000000/u32Baudrate+1); /*16 MHz */
//#endif
// set_TR1;
//}
////---------------------------------------------------------------
//void InitialUART0_Timer3(UINT32 u32Baudrate) //use timer3 as Baudrate generator
//{
// P06_Quasi_Mode;
// P07_Quasi_Mode;
//
// SCON = 0x52; //UART0 Mode1,REN=1,TI=1
// set_SMOD; //UART0 Double Rate Enable
// T3CON &= 0xF8; //T3PS2=0,T3PS1=0,T3PS0=0(Prescale=1)
// set_BRCK; //UART0 baud rate clock source = Timer3
//#ifdef FOSC_160000
// RH3 = HIBYTE(65536 - (1000000/u32Baudrate)-1); /*16 MHz */
// RL3 = LOBYTE(65536 - (1000000/u32Baudrate)-1); /*16 MHz */
//#endif
// set_TR3; //Trigger Timer3
//}
#endif
/*******************************************************************************
* FUNCTION_PURPOSE: Main function
******************************************************************************/
void main (void)
{
#if 0
InitialUART0_Timer1(9600); //UART0 Baudrate initial,T1M=0,SMOD=0
while(1)
Send_Data_To_UART0(0x55);
#else
InitialUART0_Timer3(115200);
while(1)
Send_Data_To_UART0(0x55);
#endif
}
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N76E003
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