/* Simple bit twiddler test program */

// $Id: test_gpio.c 3424 2011-11-28 10:20:11Z svn $

static const char revision[] = "$Id: test_gpio.c 3424 2011-11-28 10:20:11Z svn $";

#include <cpu.h>

int main(void)
{
  unsigned long int i;

  cpu_init(DEFAULT_CPU_FREQ);

#ifdef OLIMEX_STM32_P103
  gpiopin_configure(GPIOPIN0, GPIOPIN_INPUT);
  gpiopin_configure(GPIOPIN44, GPIOPIN_OUTPUT);
  
  for (i = 0;; i++)
  {
    // Flash faster if WAKE-UP button is pressed

    if (GPIOPIN0IN)
    {
      GPIOPIN44OUT = i >> 18;
    }

    // Flash LED normal rate
    else
    {
      GPIOPIN44OUT = i >> 19;
    }
  }
#endif

#ifdef OLIMEX_STM32_P107
  gpiopin_configure(GPIOPIN0, GPIOPIN_INPUT);
  gpiopin_configure(GPIOPIN38, GPIOPIN_OUTPUT);
  gpiopin_configure(GPIOPIN39, GPIOPIN_OUTPUT);
  gpiopin_configure(GPIOPIN45, GPIOPIN_INPUT);

  for (i = 0;; i++)
  {
    // Flash flaster if WAKE-UP button is pressed

    if (GPIOPIN0IN)
    {
      GPIOPIN38OUT = i >> 18;
      GPIOPIN39OUT = i >> 19;
    }

    // Turn off LED's if TAMPER button is pressed

    else if (!GPIOPIN45IN)
    {
      GPIOPIN38OUT = 0;
      GPIOPIN39OUT = 0;
    }

    // Flash normal rate

    else
    {
      GPIOPIN38OUT = i >> 19;
      GPIOPIN39OUT = i >> 20;
    }
  }
#endif

#ifdef STM32_VALUE_LINE_DISCOVERY
  gpiopin_configure(GPIOPIN0, GPIOPIN_INPUT);
  gpiopin_configure(GPIOPIN40, GPIOPIN_OUTPUT);
  gpiopin_configure(GPIOPIN41, GPIOPIN_OUTPUT);

  for (i = 0;; i++)
  {
    // Flash faster if the user button is pressed
    if (GPIOPIN0IN)
    {
      GPIOPIN40OUT = i >> 17;
      GPIOPIN41OUT = i >> 18;
    }

    // Flash normal rate
    else
    {
      GPIOPIN40OUT = i >> 18;
      GPIOPIN41OUT = i >> 19;
    }
  }
#endif

#ifdef W5200E01_M3
  gpiopin_configure(GPIOPIN0, GPIOPIN_OUTPUT);
  gpiopin_configure(GPIOPIN1, GPIOPIN_OUTPUT);

  for (i = 0;; i++)
  {
    GPIOPIN0OUT = i >> 19;
    GPIOPIN1OUT = i >> 20;
  }
#endif
}