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c98ec8ce6ad88ff64222344091ee2c7cae142337
mr-library/bsp/st/driver/drv_gpio.c
MacRsh c98ec8ce6a 1.新增STM32-GPIO驱动。
2023-10-15 00:58:09 +08:00

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/*
* Copyright (c) 2023, mr-library Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2023-10-8 MacRsh first version
*/
#include "drv_gpio.h"
#if (MR_CFG_PIN == MR_CFG_ENABLE)
#define PIN_PORT(pin) ((uint8_t)(((pin) >> 4) & 0x0Fu))
#define PIN_STPORT(pin) ((GPIO_TypeDef *)(GPIOA_BASE + (0x400u * PIN_PORT(pin))))
#define PIN_STPIN(pin) ((uint16_t)(1u << (mr_uint8_t)(pin & 0x0Fu)))
static IRQn_Type irq[] =
{
EXTI0_IRQn,
EXTI1_IRQn,
EXTI2_IRQn,
EXTI3_IRQn,
EXTI4_IRQn,
EXTI9_5_IRQn,
EXTI9_5_IRQn,
EXTI9_5_IRQn,
EXTI9_5_IRQn,
EXTI9_5_IRQn,
EXTI15_10_IRQn,
EXTI15_10_IRQn,
EXTI15_10_IRQn,
EXTI15_10_IRQn,
EXTI15_10_IRQn,
EXTI15_10_IRQn,
};
static mr_off_t irq_mask[16] = {-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1};
static struct drv_gpio_data drv_gpio_data[] =
{
{"pin"},
};
static struct mr_pin pin_device;
static mr_err_t drv_pin_configure(mr_pin_t pin, mr_pin_config_t config)
{
GPIO_InitTypeDef GPIO_InitStructure = {0};
mr_uint32_t exti_line = config->number % 16;
if (config->number < 0)
{
return MR_ERR_INVALID;
}
#if defined(__HAL_RCC_GPIOA_CLK_ENABLE)
__HAL_RCC_GPIOA_CLK_ENABLE();
#endif
#if defined(__HAL_RCC_GPIOB_CLK_ENABLE)
__HAL_RCC_GPIOB_CLK_ENABLE();
#endif
#if defined(__HAL_RCC_GPIOC_CLK_ENABLE)
__HAL_RCC_GPIOC_CLK_ENABLE();
#endif
#if defined(__HAL_RCC_GPIOD_CLK_ENABLE)
__HAL_RCC_GPIOD_CLK_ENABLE();
#endif
#if defined(__HAL_RCC_GPIOE_CLK_ENABLE)
__HAL_RCC_GPIOE_CLK_ENABLE();
#endif
#if defined(__HAL_RCC_GPIOF_CLK_ENABLE)
__HAL_RCC_GPIOF_CLK_ENABLE();
#endif
#if defined(__HAL_RCC_GPIOG_CLK_ENABLE)
#ifdef SOC_SERIES_STM32L4
HAL_PWREx_EnableVddIO2();
#endif
__HAL_RCC_GPIOG_CLK_ENABLE();
#endif
#if defined(__HAL_RCC_GPIOH_CLK_ENABLE)
__HAL_RCC_GPIOH_CLK_ENABLE();
#endif
#if defined(__HAL_RCC_GPIOI_CLK_ENABLE)
__HAL_RCC_GPIOI_CLK_ENABLE();
#endif
#if defined(__HAL_RCC_GPIOJ_CLK_ENABLE)
__HAL_RCC_GPIOJ_CLK_ENABLE();
#endif
#if defined(__HAL_RCC_GPIOK_CLK_ENABLE)
__HAL_RCC_GPIOK_CLK_ENABLE();
#endif
switch (config->mode)
{
case MR_PIN_MODE_OUTPUT:
{
GPIO_InitStructure.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStructure.Pull = GPIO_NOPULL;
break;
}
case MR_PIN_MODE_OUTPUT_OD:
{
GPIO_InitStructure.Mode = GPIO_MODE_OUTPUT_OD;
GPIO_InitStructure.Pull = GPIO_NOPULL;
break;
}
case MR_PIN_MODE_INPUT:
{
GPIO_InitStructure.Mode = GPIO_MODE_INPUT;
GPIO_InitStructure.Pull = GPIO_NOPULL;
break;
}
case MR_PIN_MODE_INPUT_DOWN:
{
GPIO_InitStructure.Mode = GPIO_MODE_INPUT;
GPIO_InitStructure.Pull = GPIO_PULLDOWN;
break;
}
case MR_PIN_MODE_INPUT_UP:
{
GPIO_InitStructure.Mode = GPIO_MODE_INPUT;
GPIO_InitStructure.Pull = GPIO_PULLUP;
break;
}
case MR_PIN_MODE_IRQ_RISING:
{
GPIO_InitStructure.Mode = GPIO_MODE_IT_RISING;
GPIO_InitStructure.Pull = GPIO_PULLDOWN;
break;
}
case MR_PIN_MODE_IRQ_FALLING:
{
GPIO_InitStructure.Mode = GPIO_MODE_IT_FALLING;
GPIO_InitStructure.Pull = GPIO_PULLUP;
break;
}
case MR_PIN_MODE_IRQ_EDGE:
{
GPIO_InitStructure.Mode = GPIO_MODE_IT_RISING_FALLING;
GPIO_InitStructure.Pull = GPIO_NOPULL;
break;
}
default:
break;
}
if (config->mode >= MR_PIN_MODE_IRQ_RISING)
{
if ((irq_mask[exti_line] != -1 && irq_mask[exti_line] != config->number))
{
return MR_ERR_BUSY;
}
irq_mask[exti_line] = config->number;
HAL_NVIC_SetPriority(irq[exti_line], 5, 0);
HAL_NVIC_EnableIRQ(irq[exti_line]);
} else if (config->number == irq_mask[config->number % 16])
{
if (exti_line >= 5 && exti_line <= 9)
{
if (irq_mask[5] == -1 && irq_mask[6] == -1 && irq_mask[7] == -1 && irq_mask[8] == -1 && irq_mask[9] == -1)
{
HAL_NVIC_DisableIRQ(irq[exti_line]);
}
} else
{
if (irq_mask[10] == -1 && irq_mask[11] == -1 && irq_mask[12] == -1 && irq_mask[13] == -1 &&
irq_mask[14] == -1
&& irq_mask[15] == -1)
{
HAL_NVIC_DisableIRQ(irq[exti_line]);
}
}
irq_mask[exti_line] = -1;
}
GPIO_InitStructure.Pin = PIN_STPIN(config->number);
GPIO_InitStructure.Speed = GPIO_SPEED_FREQ_HIGH;
if (config->mode != MR_PIN_MODE_NONE)
{
HAL_GPIO_Init(PIN_STPORT(config->number), &GPIO_InitStructure);
} else
{
HAL_GPIO_DeInit(PIN_STPORT(config->number), PIN_STPIN(config->number));
}
return MR_ERR_OK;
}
static mr_level_t drv_pin_read(mr_pin_t pin, mr_off_t number)
{
if (number > MR_BSP_PIN_NUMBER)
{
return 0;
}
return (mr_level_t)HAL_GPIO_ReadPin(PIN_STPORT(number), PIN_STPIN(number));
}
static void drv_pin_write(mr_pin_t pin, mr_off_t number, mr_level_t level)
{
if (number > MR_BSP_PIN_NUMBER)
{
return;
}
HAL_GPIO_WritePin(PIN_STPORT(number), PIN_STPIN(number), (GPIO_PinState)level);
}
void EXTI0_IRQHandler(void)
{
if (__HAL_GPIO_EXTI_GET_IT(GPIO_PIN_0) != RESET)
{
mr_pin_device_isr(&pin_device, irq_mask[0]);
__HAL_GPIO_EXTI_CLEAR_IT(GPIO_PIN_0);
}
}
void EXTI1_IRQHandler(void)
{
if (__HAL_GPIO_EXTI_GET_IT(GPIO_PIN_1) != RESET)
{
mr_pin_device_isr(&pin_device, irq_mask[1]);
__HAL_GPIO_EXTI_CLEAR_IT(GPIO_PIN_1);
}
}
void EXTI2_IRQHandler(void)
{
if (__HAL_GPIO_EXTI_GET_IT(GPIO_PIN_2) != RESET)
{
mr_pin_device_isr(&pin_device, irq_mask[2]);
__HAL_GPIO_EXTI_CLEAR_IT(GPIO_PIN_2);
}
}
void EXTI3_IRQHandler(void)
{
if (__HAL_GPIO_EXTI_GET_IT(GPIO_PIN_3) != RESET)
{
mr_pin_device_isr(&pin_device, irq_mask[3]);
__HAL_GPIO_EXTI_CLEAR_IT(GPIO_PIN_3);
}
}
void EXTI4_IRQHandler(void)
{
if (__HAL_GPIO_EXTI_GET_IT(GPIO_PIN_4) != RESET)
{
mr_pin_device_isr(&pin_device, irq_mask[4]);
__HAL_GPIO_EXTI_CLEAR_IT(GPIO_PIN_4);
}
}
void EXTI9_5_IRQHandler(void)
{
if ((__HAL_GPIO_EXTI_GET_IT(GPIO_PIN_5) != RESET)
|| (__HAL_GPIO_EXTI_GET_IT(GPIO_PIN_6) != RESET)
|| (__HAL_GPIO_EXTI_GET_IT(GPIO_PIN_7) != RESET)
|| (__HAL_GPIO_EXTI_GET_IT(GPIO_PIN_8) != RESET)
|| (__HAL_GPIO_EXTI_GET_IT(GPIO_PIN_9) != RESET))
{
mr_pin_device_isr(&pin_device, irq_mask[5]);
mr_pin_device_isr(&pin_device, irq_mask[6]);
mr_pin_device_isr(&pin_device, irq_mask[7]);
mr_pin_device_isr(&pin_device, irq_mask[8]);
mr_pin_device_isr(&pin_device, irq_mask[9]);
__HAL_GPIO_EXTI_CLEAR_IT(GPIO_PIN_5);
__HAL_GPIO_EXTI_CLEAR_IT(GPIO_PIN_6);
__HAL_GPIO_EXTI_CLEAR_IT(GPIO_PIN_7);
__HAL_GPIO_EXTI_CLEAR_IT(GPIO_PIN_8);
__HAL_GPIO_EXTI_CLEAR_IT(GPIO_PIN_9);
}
}
void EXTI15_10_IRQHandler(void)
{
if ((__HAL_GPIO_EXTI_GET_IT(GPIO_PIN_10) != RESET)
|| (__HAL_GPIO_EXTI_GET_IT(GPIO_PIN_11) != RESET)
|| (__HAL_GPIO_EXTI_GET_IT(GPIO_PIN_12) != RESET)
|| (__HAL_GPIO_EXTI_GET_IT(GPIO_PIN_13) != RESET)
|| (__HAL_GPIO_EXTI_GET_IT(GPIO_PIN_14) != RESET)
|| (__HAL_GPIO_EXTI_GET_IT(GPIO_PIN_15) != RESET))
{
mr_pin_device_isr(&pin_device, irq_mask[10]);
mr_pin_device_isr(&pin_device, irq_mask[11]);
mr_pin_device_isr(&pin_device, irq_mask[12]);
mr_pin_device_isr(&pin_device, irq_mask[13]);
mr_pin_device_isr(&pin_device, irq_mask[14]);
mr_pin_device_isr(&pin_device, irq_mask[15]);
__HAL_GPIO_EXTI_CLEAR_IT(GPIO_PIN_10);
__HAL_GPIO_EXTI_CLEAR_IT(GPIO_PIN_11);
__HAL_GPIO_EXTI_CLEAR_IT(GPIO_PIN_12);
__HAL_GPIO_EXTI_CLEAR_IT(GPIO_PIN_13);
__HAL_GPIO_EXTI_CLEAR_IT(GPIO_PIN_14);
__HAL_GPIO_EXTI_CLEAR_IT(GPIO_PIN_15);
}
}
mr_err_t drv_gpio_init(void)
{
static struct mr_pin_ops drv_ops =
{
drv_pin_configure,
drv_pin_read,
drv_pin_write,
};
mr_err_t ret = MR_ERR_OK;
ret = mr_pin_device_add(&pin_device, drv_gpio_data[0].name, &drv_ops, &drv_gpio_data[0]);
MR_ASSERT(ret == MR_ERR_OK);
return ret;
}
MR_INIT_DRIVER_EXPORT(drv_gpio_init);
#endif
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