hardware.c

ucosII在S12上的部分实现源代码

#include "includes.h"
#define EXT extern
#include "main.h"
/*********************************************************************/

/* SCI.c   ------------ Hardware related functions                   

		uart_init();
		uart_putchar(unsigned char ch);

**********************************************************************/
/******************uart_init()****************/
void uart_init(void) {
SCI0CR2=0x0c;
SCI0BDH=0x00;
SCI0BDL=0x9C;
}

/**********uart_putchar()****************/
void uart_putchar(unsigned char ch)
{
while(!(SCI0SR1&0x80))
{}         
SCI0DRL=ch;
}

/*HardwareInit(void)*/
void HardwareInit(void)
{
//	uart_init();
	PORTB = 0xff;
//	delay(1000000);
	
}