delay.c

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/*********************************************************************
 *
 *                    Simple Delay Routines 
 *
 *********************************************************************
 * FileName:        delay.c
 * Dependencies:    delay.h
 * Processor:       dsPIC33F
 * Complier:        MPLAB C30 v2.01.00 or higher
 *
 * Company:         Microchip Technology, Inc.
 *
 * Software License Agreement
 *
 * The software supplied herewith by Microchip Technology Incorporated
 * (the “Company”) for its dsPIC30F Microcontroller is intended 
 * and supplied to you, the Company’s customer, for use solely and
 * exclusively on Microchip's dsPIC30F Microcontroller products. 
 * The software is owned by the Company and/or its supplier, and is
 * protected under applicable copyright laws. All rights are reserved.
 * Any use in violation of the foregoing restrictions may subject the
 * user to criminal sanctions under applicable laws, as well as to
 * civil liability for the breach of the terms and conditions of this
 * license.
 *
 * THIS SOFTWARE IS PROVIDED IN AN “AS IS” CONDITION. NO WARRANTIES,
 * WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING, BUT NOT LIMITED
 * TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
 * PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. THE COMPANY SHALL NOT,
 * IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL OR
 * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
 *
 * Author               Date    Comment
 *~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 * Richard Fischer      7/14/05 Initial release for LCD support
 * Priyabrata Sinha     1/27/06 Ported to non-prototype devices
 *
 ********************************************************************/ 

#include "delay.h"
#include "../AttitudeManager/main.h"

unsigned int temp_count;

void Delay( unsigned int delay_count ) 
{
        delay_count *= Delay_1mS_Cnt;
    temp_count = delay_count +1;
    asm volatile("outer: dec _temp_count"); 
    asm volatile("cp0 _temp_count");
    asm volatile("bra z, done");
    asm volatile("do #3200, inner" );   
    asm volatile("nop");
    asm volatile("inner: nop");
    asm volatile("bra outer");
    asm volatile("done:");
}


void Delay_Us( unsigned int delayUs_count )
{
        delayUs_count *= Delay1uS_count;
    temp_count = delayUs_count +1;
    asm volatile("outer1: dec _temp_count");
    asm volatile("cp0 _temp_count");
    asm volatile("bra z, done1");
    asm volatile("do #15, inner1" );
    asm volatile("nop");
    asm volatile("inner1: nop");
    asm volatile("bra outer1");
    asm volatile("done1:");
}