led.c

用UCOS系统实现的MIPS平台源码

/**************************************************************************
*                                                                         *
*   PROJECT     : TMON (Transparent monitor)                              *
*                                                                         *
*   MODULE      : LED.c                                                   *
*                                                                         *
*   AUTHOR      : Michael Anburaj                                         *
*                 URL  : http://geocities.com/michaelanburaj/             *
*                 EMAIL: [e-mail]                       *
*                                                                         *
*   PROCESSOR   : MIPS 4Kc (32 bit RISC) - ATLAS board                    *
*                                                                         *
*   Tool-chain  : SDE & Cygnus                                            *
*                                                                         *
*   DESCRIPTION :                                                         *
*   This is the LED module. Contains the following routines to:           *
*        1. Display strings on 8xASCII LED display.                       *
*        2. Display bar graph on the BAR LED display.                     *
*        3. Turn On & OFF the GREEN LED.                                  *
*                                                                         *
**************************************************************************/

#include "atlas.h"


/* ********************************************************************* */
/* Global definitions */


/* ********************************************************************* */
/* File local definitions */


/* ********************************************************************* */
/* Local functions */


/* ********************************************************************* */
/* Global functions */

/*
*********************************************************************************************
*                                       LED_vPutsNoClr
*
* Description: This routine displays the string on the 8*ASCII LED display without clearing
*              it.
*
* Arguments  : pbStr - String to be displayed.
*
* Return     : none.
*
* Note(s)    : 
*********************************************************************************************
*/

void LED_vPutsNoClr(U8 *pbStr)
{
        if(*pbStr == 0)return;
        rASCIIPOS0 = *pbStr++;
        if(*pbStr == 0)return;
        rASCIIPOS1 = *pbStr++;
        if(*pbStr == 0)return;
        rASCIIPOS2 = *pbStr++;
        if(*pbStr == 0)return;
        rASCIIPOS3 = *pbStr++;
        if(*pbStr == 0)return;
        rASCIIPOS4 = *pbStr++;
        if(*pbStr == 0)return;
        rASCIIPOS5 = *pbStr++;
        if(*pbStr == 0)return;
        rASCIIPOS6 = *pbStr++;
        if(*pbStr == 0)return;
        rASCIIPOS7 = *pbStr;
}

/*
*********************************************************************************************
*                                       LED_vPuts
*
* Description: This routine displays the string on the 8*ASCII LED display after clearing it.
*
* Arguments  : pbStr - String to be displayed.
*
* Return     : none.
*
* Note(s)    : 
*********************************************************************************************
*/

void LED_vPuts(U8 *pbStr)
{
        LED_vPutsNoClr("        ");
        LED_vPutsNoClr(pbStr);
}

/*
*********************************************************************************************
*                                       LED_vPuti
*
* Description: This routine displays the Hex value on the 8*ASCII LED display.
*
* Arguments  : wInt - U32 to be displayed.
*
* Return     : none.
*
* Note(s)    : 
*********************************************************************************************
*/

void LED_vPuti(U32 wInt)
{
        rASCIIWORD = wInt;
}

/*
*********************************************************************************************
*                                       LED_vPutBar
*
* Description: This routine displays the 8 bit bar graph on the BAR LED display.
*
* Arguments  : bBar - 8 bit bar graph value to be displayed.
*
* Return     : none.
*
* Note(s)    : 
*********************************************************************************************
*/

void LED_vPutBar(U8 bBar)
{
        rLEDBAR = bBar;
}

/*
*********************************************************************************************
*                                       LED_bGetBar
*
* Description: This routine gets the 8 bit bar graph value last displayed on the BAR LED
*              display.
*
* Arguments  : none.
*
* Return     : 8 bit bar graph value last displayed.
*
* Note(s)    : 
*********************************************************************************************
*/

U8 LED_bGetBar(void)
{
        return (U8)rLEDBAR;
}

/*
*********************************************************************************************
*                                       LED_vGreen
*
* Description: This routine turns ON or OFF the GREEN LED.
*
* Arguments  : bCmnd - Command.
*                      Flase - Turn OFF.
*                      True  - Turn ON.
*.
*
* Return     : 8 bit bar graph value last displayed.
*
* Note(s)    : 
*********************************************************************************************
*/

U8 LED_vGreen(U8 bCmnd)
{
        rLEDGREEN = bCmnd? 0x01: 0x00;
}


/* ********************************************************************* */