C++ (Cpp) HAL_ARM_AT91_GPIO_PUTの例

コード例 #1

ファイル: at91sam7sek_misc.c プロジェクト: EPiCS/reconos_v2

// The development board has four LEDs
void 
hal_at91_led (int val)
{
  HAL_ARM_AT91_GPIO_CFG_DIRECTION(AT91_GPIO_PA0, AT91_PIN_OUT);
  HAL_ARM_AT91_GPIO_CFG_DIRECTION(AT91_GPIO_PA1, AT91_PIN_OUT);
  HAL_ARM_AT91_GPIO_CFG_DIRECTION(AT91_GPIO_PA2, AT91_PIN_OUT);
  HAL_ARM_AT91_GPIO_CFG_DIRECTION(AT91_GPIO_PA3, AT91_PIN_OUT);
  
  HAL_ARM_AT91_GPIO_CFG_PULLUP(AT91_GPIO_PA0, AT91_PIN_PULLUP_DISABLE);
  HAL_ARM_AT91_GPIO_CFG_PULLUP(AT91_GPIO_PA1, AT91_PIN_PULLUP_DISABLE);
  HAL_ARM_AT91_GPIO_CFG_PULLUP(AT91_GPIO_PA2, AT91_PIN_PULLUP_DISABLE);
  HAL_ARM_AT91_GPIO_CFG_PULLUP(AT91_GPIO_PA3, AT91_PIN_PULLUP_DISABLE);

  // Set the bits. The logic is inverted 
  HAL_ARM_AT91_GPIO_PUT(AT91_GPIO_PA1, !(val & 1));
  HAL_ARM_AT91_GPIO_PUT(AT91_GPIO_PA2, !(val & 2));
  HAL_ARM_AT91_GPIO_PUT(AT91_GPIO_PA3, !(val & 4));
  HAL_ARM_AT91_GPIO_PUT(AT91_GPIO_PA4, !(val & 8));
}

コード例 #2

ファイル: spi_at91.c プロジェクト: KarenHung/ecosgit

static void
spi_at91_set_npcs(cyg_spi_at91_bus_t *spi_bus,int val)
{
   cyg_uint32 ctr;
   for(ctr=0;ctr<4;ctr++)
   {
      if(spi_bus->cs_en[ctr])
      {
        HAL_ARM_AT91_GPIO_PUT(spi_bus->cs_gpio[ctr], (val & (1<<ctr)));
      }
   }
}