led_testbench.c

OMAP1030 处理器的ARM 侧硬件测试代码 OMAP1030 是TI的双核处理器

//===============================================================================
//            TEXAS INSTRUMENTS INCORPORATED PROPRIETARY INFORMATION
//
//   Property of Texas Instruments
//   For  Unrestricted  Internal  Use  Only
//   Unauthorized reproduction and/or distribution is strictly prohibited.
//   This product is protected under copyright law and trade secret law
//   as an unpublished work.
//   Created 2000, (C) Copyright 2000 Texas Instruments.  All rights reserved.
//===============================================================================
//
#include "global_types.h"
#include "mapping.h"
#include "gpio.h"
#include "led_testbench.h"

//-------------------------------------------------------------------------------
// NAME         : LED_InitSynchro
//
// DESCRIPTION  : - Init the GPIO direction for synchro signals
//                   * LED_STATUS_PIN	= output
//                   * LED_SYNC_PIN	= input
//                   * LED_STATUS_PIN	= output
//
//                - drive LED_STATUS_PIN and LED_EXEC_PIN pins to '0'
//
// PARAMETERS   : none
//
// RETURN VALUE : None
//
//--------------------------------------------------------------------------------
void LED_InitSynchro(void)
{
  // sets directions
  GPIO_ClearOeBit(GPIO1_BASE_ADDR_ARM, LED_STATUS_PIN);
  GPIO_ClearOeBit(GPIO1_BASE_ADDR_ARM, LED_EXEC_PIN);
  GPIO_SetOeBit(GPIO1_BASE_ADDR_ARM, LED_SYNC_PIN);
  // Reset status & exec pins
  GPIO_ClearDataOutBit(GPIO1_BASE_ADDR_ARM, LED_STATUS_PIN);
  GPIO_ClearDataOutBit(GPIO1_BASE_ADDR_ARM, LED_EXEC_PIN);
}


//-------------------------------------------------------------------------------
// NAME         : LED_SetPin
//
// DESCRIPTION  : - Set or Reset LED_STATUS_PIN or LED_EXEC_PIN pins
//
// PARAMETERS   : bit value
//
// RETURN VALUE : None
//
//------------------------------------------------------------------------------
void LED_SetstatusPin( LED_PINOUT Pin, BOOL BitValue)
{
	if (BitValue==True)
             GPIO_SetDataOutBit(GPIO1_BASE_ADDR_ARM, Pin);
        else
             GPIO_ClearDataOutBit(GPIO1_BASE_ADDR_ARM, Pin);
     
}

void LED_SetexecPin( LED_PINOUT Pin, BOOL BitValue)
{
    //GPIO2 has pins from 32 to 63 
    Pin %= 32;
	if (BitValue==True)
             GPIO_SetDataOutBit(GPIO2_BASE_ADDR_ARM, Pin);
        else
             GPIO_ClearDataOutBit(GPIO2_BASE_ADDR_ARM, Pin);
     
}


//-------------------------------------------------------------------------------
// NAME         : LED_PollSync
//
// DESCRIPTION  : - Poll Sync pin until reset
//
// PARAMETERS   : bit value
//
// RETURN VALUE : None
//
//------------------------------------------------------------------------------
void LED_PollSync( void)
{
   while (GPIO_GetInputPin(GPIO1_BASE_ADDR_ARM, LED_SYNC_PIN) != 0);
     
}

/* EOF */