serial.c

Fujitsu 16bit mcu application, with ads8364.

/*------------------------------------------------------------------------
This software includes some function about operating UART of MB90F54X.

Copyright 2002-2003,Xiaoquan Tang

File : serial.c
by Xiaoquan Tang
E-mail:[e-mail]
History:    
Date      Version              Author         Description 
3-5-03    1.0 initial version  Xiaoquan Tang
---------------------------------------------------------------------- */

#include "mb90540.h"
#include "text.h"

// initialize UART1
// set clockspeed as PLLX4 in start.asm 
void InitUart(void)
{
	DDR4_D45 = 1;				 // Make SOT1 working 
	SMR1 = 0x01;				 // serial mode register,asynchronous normal and serial data output pin 
	SCR1 = 0x13;				 // serial control register,no party,8 bit,enable receive and transmit 
	U1CDCR = 0x88;				 // prescaler control register,  baud rate 9600 
}

// sends a char
void Putch (char ch)        	 
{
	while (SSR1_TDRE == 0);		// wait for transmit buffer empty 	 
		SODR1 = ch;				// put ch into buffer			 
}

char Getch (void)				// waits for and returns incomming char 	 
{
  	unsigned ch;
	while(SSR1_RDRF == 0);		// wait for data received  	 
	if (SSR1_ORE || SSR1_FRE)   // overrun error or frame error		 
	{
		ch = SIDR1;				// reset error flags 		 
		return (-1);
	}
	else
		return (SIDR1);			// return char 			 
}

void Puts (const char *Name2)	// Puts a String to UART  
{
 	char c;
 	int i,len;
 
  	len = strlen(Name2);
  	for (i=0; i<len; i++) 	// go through string  
  	{
		c=(Name2[i]);		// pick char  
		Putch (c);			// send it out  
  	}
  	Putch (0x0d);			// put new line
  	Putch (0x0a);
}

void Disptitle(void)
{
	Putch (13);
	Putch (10);
	Puts (mark1);
	Puts (mark2);
	Puts (mark3);
	Puts (mark4);
	Puts (mark5);
	Puts (mark6);
	Puts (mark7);
	Puts (mark8);
	Puts (mark9);
	Puts (marka);
	Puts (markb);
	Puts (markc);
	Puts (markd);
	Putch (10);
	Puts (text1);
	Putch (10);
	Puts (text2);
	Puts (text3);
	Puts (text4);
	Puts (text5);
	Putch (10);
	Puts (text6);
	Putch (0x20);
	Putch (0x20);
	Putch (0x20);
	Putch (0x20);
	Putch (0x20);
	Putch (0x20);
}