main.c

Lcd test demo code based on St arm mcu

/******************** (C) COPYRIGHT 2003 STMicroelectronics ********************
* File Name          : main.c
* Author             : MCD Application Team
* Date First Issued  : 16/09/2003
* Description        : This file gives an example of the use of the PWM input
*                      feature. The signal periode is stored in the ICAR
*                      register and the pulse length in the ICBR.
********************************************************************************
* History:
*  03/07/03 : First Version
*******************************************************************************/

#include "71x_lib.h"

#define T3_OCMP_A 0x04

int main(void)
{
  u32 i;
  #ifdef DEBUG
  debug ();
  #endif

  RTC_FlagClear (RTC_AIR);
  RTC_ITConfig  (RTC_AIT,DISABLE);
  //---------------------------------------------------------------------------
  // Initialization
  //---------------------------------------------------------------------------

  RTC_PrescalerConfig ( 0x8000 );

// Clear Pending Flags

  // Configure the GPIO1 Port
  // Timer 3 Output Compare function pin (P1.2) configured as Alternate
  // function pushpull.
  GPIO_Config (GPIO1,T3_OCMP_A,GPIO_AF_PP);
  // Initialize the Timer
  TIM_Init (TIM3);
  // Configure the TIM Prescaler
  TIM_PrescalerConfig (TIM3,0x7F);

  // Configure PWM Signal :
  // Full Period  = 7FFF
  // Duty Cycle   = 50 % ( 3FFFF )
  TIM_PWMOModeConfig (TIM3,0x3FFF,TIM_HIGH,0x7FFF,TIM_LOW );

  // Start Timer 3
  TIM_CounterConfig (TIM3,TIM_START);
  
  // Delay
  for(i=0;i<0x2FFFFF;i++);

  // Set alarm time = current time + 5 second
  ????(????()+5);
 
  // Enable the RTC Alarm interrupt    
  ????(????, ENABLE );

  // Enter STANDBY mode
  PCU_EnterLPM (????);

}