>>Can you please help me on all possible solution to do this?
I'm not sure I want to get that deeply involved into your work tasks, I have plenty of my own to be doing.
//****************************************************************************
void OutChar(char c)
{
while((USARTx->ISR & USART_ISR_TXE) == 0); // Wait for Empty
USARTx->TDR = c; // Send Char
}
//****************************************************************************
void OutString(char *s)
{
while(*s)
{
while((USARTx->ISR & USART_ISR_TXE) == 0); // Wait for Empty
USARTx->TDR = *s++; // Send Char
}
}
//****************************************************************************
// Hosting of stdio functionality through USART/SWV
//****************************************************************************
/* Implementation of putchar (also used by printf function to output data) */
int SendChar(int ch) /* Write character to Serial Port */
{
OutChar((char)ch);
ITM_SendChar(ch); // From core_cm4.c
return(ch);
}
//****************************************************************************
//****************************************************************************
// KEIL
//****************************************************************************
#include <rt_misc.h>
#pragma import(__use_no_semihosting_swi)
struct __FILE { int handle; /* Add whatever you need here */ };
FILE __stdout;
FILE __stdin;
int fputc(int ch, FILE *f) { return (SendChar(ch)); }
int ferror(FILE *f)
{
/* Your implementation of ferror */
return EOF;
}
void _ttywrch(int ch) { SendChar(ch); }
void _sys_exit(int return_code)
{
label: goto label; /* endless loop */
}
//****************************************************************************
//****************************************************************************
// GNU
//****************************************************************************
int __io_putchar(int ch) { return (SendChar(ch)); }
//****************************************************************************
