C++ (Cpp) HAL_GPIO_GET_PIN_BY_NAME示例

示例#1

文件： rtl8195a_gpio.c 项目： silenceuncrio/ameba_ws2812b

/**
  * @brief  Clear the pending interrupt of a specified pin
  *
  * @param  GPIO_Pin: The data structer which contains the parameters for the GPIO Pin.
  *
  * @retval None
  */
HAL_Status
HAL_GPIO_ClearISR_8195a(
    HAL_GPIO_PIN  *GPIO_Pin
)
{
    u8 port_num;
    u8 pin_num;
    HAL_GPIO_PIN_MODE pin_mode;

    port_num = HAL_GPIO_GET_PORT_BY_NAME(GPIO_Pin->pin_name);
    pin_num = HAL_GPIO_GET_PIN_BY_NAME(GPIO_Pin->pin_name);
    pin_mode = GPIO_Pin->pin_mode;

    if ((pin_mode & HAL_GPIO_PIN_INT_MODE)==0 || (port_num != GPIO_PORT_A)) {
        DBG_GPIO_ERR("HAL_GPIO_ClearISR_8195a: This pin(%x:%x) is'nt an interrupt pin\n", GPIO_Pin->pin_name, GPIO_Pin->pin_mode);
        return HAL_ERR_PARA;
    }

    if (GPIO_Lock() != HAL_OK) {
        return HAL_BUSY;
    }

    // Clear pending interrupt before unmask it
    HAL_WRITE32(GPIO_REG_BASE, GPIO_PORTA_EOI, (1<<pin_num));

    GPIO_UnLock();
    return HAL_OK;
    
}

示例#2

文件： wiring_digital.c 项目： Ameba8195/Arduino

uint32_t digitalPinToBitMask( uint32_t ulPin )
{
    uint32_t pin_name;

    if ( ulPin < 0 || ulPin > TOTAL_GPIO_PIN_NUM )
    {
        return 0xFFFFFFFF;
    }

    pin_name = HAL_GPIO_GetPinName(g_APinDescription[ulPin].pinname);

    return 1 << (HAL_GPIO_GET_PIN_BY_NAME(pin_name));
}