rt-thread/bsp/stm32/libraries/HAL_Drivers/nano/drv_gpio.c

125 lines
3.3 KiB
C

/*
* Copyright (c) 2006-2023, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2023-12-02 Meco Man the first version
*/
#include "drv_gpio.h"
#include <board.h>
#include <rtthread.h>
#define GET_GPIOx(pin) ((GPIO_TypeDef *)(rt_uint32_t)(pin & 0xFFFFFFFFULL))
#define GET_GPIOPin(pin) ((uint16_t)(pin >> 32U))
void rt_pin_mode(rt_uint64_t pin, rt_uint8_t mode)
{
GPIO_InitTypeDef GPIO_InitStruct = {0};
GPIO_TypeDef *GPIOx = GET_GPIOx(pin);
uint16_t GPIO_Pin = GET_GPIOPin(pin);
RT_ASSERT(mode == PIN_MODE_OUTPUT || mode == PIN_MODE_INPUT ||
mode == PIN_MODE_INPUT_PULLUP || mode == PIN_MODE_INPUT_PULLDOWN ||
mode == PIN_MODE_OUTPUT_OD);
switch((rt_ubase_t)GPIOx)
{
case (rt_ubase_t)GPIOA:
__HAL_RCC_GPIOA_CLK_ENABLE();
break;
case (rt_ubase_t)GPIOB:
__HAL_RCC_GPIOB_CLK_ENABLE();
break;
case (rt_ubase_t)GPIOC:
__HAL_RCC_GPIOC_CLK_ENABLE();
break;
#ifdef GPIOD
case (rt_ubase_t)GPIOD:
__HAL_RCC_GPIOD_CLK_ENABLE();
break;
#endif /* GPIOD */
#ifdef GPIOE
case (rt_ubase_t)GPIOE:
__HAL_RCC_GPIOE_CLK_ENABLE();
break;
#endif /* GPIOE */
#ifdef GPIOF
case (rt_ubase_t)GPIOF:
__HAL_RCC_GPIOF_CLK_ENABLE();
break;
#endif /* GPIOF */
#ifdef GPIOG
case (rt_ubase_t)GPIOG:
__HAL_RCC_GPIOG_CLK_ENABLE();
break;
#endif /* GPIOG */
#ifdef GPIOH
case (rt_ubase_t)GPIOH:
__HAL_RCC_GPIOH_CLK_ENABLE();
break;
#endif /* GPIOH */
#ifdef GPIOI
case (rt_ubase_t)GPIOI:
__HAL_RCC_GPIOI_CLK_ENABLE();
break;
#endif /* GPIOI */
}
GPIO_InitStruct.Pin = GPIO_Pin;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
if (mode == PIN_MODE_OUTPUT)
{
/* output setting */
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
}
else if (mode == PIN_MODE_INPUT)
{
/* input setting: not pull. */
GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
GPIO_InitStruct.Pull = GPIO_NOPULL;
}
else if (mode == PIN_MODE_INPUT_PULLUP)
{
/* input setting: pull up. */
GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
GPIO_InitStruct.Pull = GPIO_PULLUP;
}
else if (mode == PIN_MODE_INPUT_PULLDOWN)
{
/* input setting: pull down. */
GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
GPIO_InitStruct.Pull = GPIO_PULLDOWN;
}
else if (mode == PIN_MODE_OUTPUT_OD)
{
/* output setting: od. */
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_OD;
GPIO_InitStruct.Pull = GPIO_NOPULL;
}
HAL_GPIO_Init(GPIOx, &GPIO_InitStruct);
}
void rt_pin_write(rt_uint64_t pin, rt_uint8_t value)
{
GPIO_TypeDef *GPIOx = GET_GPIOx(pin);
uint16_t GPIO_Pin = GET_GPIOPin(pin);
RT_ASSERT(value == PIN_LOW || value == PIN_HIGH);
HAL_GPIO_WritePin(GPIOx, GPIO_Pin, (value == PIN_LOW) ? GPIO_PIN_RESET : GPIO_PIN_SET);
}
rt_int8_t rt_pin_read(rt_uint64_t pin)
{
GPIO_TypeDef *GPIOx = GET_GPIOx(pin);
uint16_t GPIO_Pin = GET_GPIOPin(pin);
return HAL_GPIO_ReadPin(GPIOx, GPIO_Pin) == GPIO_PIN_RESET ? PIN_LOW : PIN_HIGH;
}