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