u08main.c

MC68HC08JB8 的USB驱动源程序,开发环境是Code wayyior HC08

//============================================================================
// File: U08MAIN.C
// Func: Main Module for USB08 Demo Application
// Ver.: 1.01
// Auth: (C)2000,2001 by Oliver Thamm, MCT Elektronikladen GbR
//       http://hc08web.de/usb08
// Make: Build the project using U08MAIN.C, U08KEY.C, U08ADC.C and VECJB8.C
// Rem.: View/Edit this File with TAB-Size=4
// Jan 02 : Adapted for CodeWarrior by Isabelle GIRAUD, Metrowerks Europe 
//============================================================================

//-- Includes ----------------------------------------------------------------


#include "hc08jb8.h"			// HC908JB8 Register and Bitmap Definitions
#include "u08key.h"				// Keyboard Module Header File
#include "u08led.h"				// LED Module Header File (just Macros)
#include "u08adc.h"				// Soft ADC Module Header File

//-- some Assembly Level Stuff -----------------------------------------------

#define cli()   asm cli
#define nop()		asm nop

//-- Data Type Definitions ---------------------------------------------------

typedef unsigned char uchar;

//-- Code Starts here --------------------------------------------------------
#include "u08usb.c"				// use USB implementation
//----------------------------------------------------------------------------
// Dummy Interrupt Handler
// Place a Breakpoint here in case you are looking for spurious Interrupts
//
interrupt void isrDummy() {
	nop();						// just for Debugging
	}


//----------------------------------------------------------------------------

void main() {

	uchar n, a;
	uchar io_buffer[8];
	uchar adc[3];
	
#if USB_COMMUNICATION==1  // Defined in the compiler commandline, 1 by default
  initUSB();		// init RS232 or USB Pipe
 #endif 
	
  initLED();		// init LED Output
  initKey();		// init Key Input
	initSADC();		// init Soft ADC

	cli();

	a = 0;
	for(;;) {

		// update ADC results (1 out of 3 at one time)
		adc[a] = getSADC(a+1);
		if(++a==3) a=0;

		// get data from input pipe
#if USB_COMMUNICATION==1
		n=0;
		do {
			io_buffer[n++] = getUSB();
			} while(n<8);
#endif 
		// process input data

		if(io_buffer[0]==0) offLED(1);
		else onLED(1);
		if(io_buffer[1]==0) offLED(2);
		else onLED(2);
		if(io_buffer[2]==0) offLED(3);
		else onLED(3);

		// send data to output pipe

		io_buffer[0] = getKey(1);
		io_buffer[1] = getKey(2);
		io_buffer[2] = getKey(3);
		io_buffer[3] = adc[0];
		io_buffer[4] = adc[1];
		io_buffer[5] = adc[2];

		
#if USB_COMMUNICATION==1
		n=0;
		do {
			putUSB(io_buffer[n++]);
			} while(n<8);
  #endif 
		}
	}

//============================================================================