appli.c

arm_7x256的ADS1.2的网络测试程序

//*----------------------------------------------------------------------------
//*         ATMEL Microcontroller Software Support  -  ROUSSET  -
//*----------------------------------------------------------------------------
//* The software is delivered "AS IS" without warranty or condition of any
//* kind, either express, implied or statutory. This includes without
//* limitation any warranty or condition with respect to merchantability or
//* fitness for any particular purpose, or against the infringements of
//* intellectual property rights of others.
//*----------------------------------------------------------------------------
//* File Name           : appli.c
//* Object              : LED application written in C
//* Creation            : JPP   16/Jun/2004
//*----------------------------------------------------------------------------

// Include Standard files
#include "Board.h"

const int led_mask[8]= {LED1, LED2, LED3, LED4};

volatile unsigned int LedSpeed;

//*--------------------------------------------------------------------------------------
//* Function Name       : wait
//* Object              : Software waiting loop
//* Input Parameters    : none. Waiting time is defined by the global variable LedSpeed.
//* Output Parameters   : none
//*--------------------------------------------------------------------------------------
void wait ( void )
{//* Begin
    unsigned int waiting_time ;
    for(waiting_time = 0; waiting_time < LedSpeed; waiting_time++) ;
}//* End

void Init_LED_FOR_APPLI (void)
{
    // then, we configure the PIO Lines corresponding to LED1 to LED4
    // to be outputs. No need to set these pins to be driven by the PIO because it is GPIO pins only.
       AT91F_PIO_CfgOutput( AT91C_BASE_PIOB, LED_MASK ) ;

    // Clear the LED's. On the EB55 we must apply a "1" to turn off L EDs
       AT91F_PIO_SetOutput( AT91C_BASE_PIOB, LED_MASK ) ;
       
    LedSpeed = 200000;
}    

    
void APPLI (void)
{
int i;
    // Once a Shot on each led
    for ( i=0 ; i < NB_LEB ; i++ )
    {
        AT91F_PIO_ClearOutput( AT91C_BASE_PIOB, led_mask[i]) ;
        wait();
        AT91F_PIO_SetOutput( AT91C_BASE_PIOB, led_mask[i] ) ;
        wait();
    }// End for
    // Once a Shot on each led
    for ( i=(NB_LEB-1) ; i >= 0 ; i-- )
    {
        AT91F_PIO_ClearOutput( AT91C_BASE_PIOB, led_mask[i]) ;
        wait();
        AT91F_PIO_SetOutput( AT91C_BASE_PIOB, led_mask[i] ) ;
        wait();
        
    }
}

void LED_Toggle(unsigned int led)
{       
    if (AT91F_PIO_GetOutputDataStatus(AT91C_BASE_PIOB) & led)
      AT91F_PIO_ClearOutput( AT91C_BASE_PIOB, led);        
    else
      AT91F_PIO_SetOutput( AT91C_BASE_PIOB, led) ;
}

void LED_TurnOn(unsigned int led)
{       
  AT91F_PIO_ClearOutput( AT91C_BASE_PIOB, led);        
}

void LED_TurnOff(unsigned int led)
{       
  AT91F_PIO_SetOutput( AT91C_BASE_PIOB, led) ;
}