Files
mr-library/bsp/st/driver/drv_pin.c
2024-02-02 01:47:16 +08:00

377 lines
9.7 KiB
C

/*
* @copyright (c) 2023-2024, MR Development Team
*
* @license SPDX-License-Identifier: Apache-2.0
*
* @date 2023-11-11 MacRsh First version
*/
#include "drv_pin.h"
#ifdef MR_USING_PIN
static IRQn_Type pin_irq_map[] = DRV_PIN_IRQ_MAP_CONFIG;
static int pin_irq_mask[] =
{
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
};
static struct drv_pin_port_data pin_port_drv_data[] = DRV_PIN_PORT_CONFIG;
static struct drv_pin_data pin_drv_data[] = DRV_PIN_CONFIG;
static struct mr_pin pin_dev;
static struct drv_pin_port_data *drv_pin_get_port_data(int pin)
{
pin >>= 4;
#ifdef MR_USING_PIN_CHECK
if ((pin >= MR_ARRAY_NUM(pin_port_drv_data)) || (pin_port_drv_data[pin].port == MR_NULL))
{
return MR_NULL;
}
#endif /* MR_USING_PIN_CHECK */
return &pin_port_drv_data[pin];
}
static struct drv_pin_data *drv_pin_get_data(int pin)
{
pin &= 0x0f;
#ifdef MR_USING_PIN_CHECK
if (pin >= MR_ARRAY_NUM(pin_drv_data))
{
return MR_NULL;
}
#endif /* MR_USING_PIN_CHECK */
return &pin_drv_data[pin];
}
static int drv_pin_configure(struct mr_pin *pin, int number, int mode)
{
struct drv_pin_port_data *pin_port_data = drv_pin_get_port_data(number);
struct drv_pin_data *pin_data = drv_pin_get_data(number);
uint32_t exti_line = number & 0x0f;
GPIO_InitTypeDef GPIO_InitStructure = {0};
/* Check pin is valid */
if (pin_port_data == MR_NULL || pin_data == MR_NULL)
{
return MR_EINVAL;
}
/* Configure clock */
#ifdef GPIOA
if (pin_port_data->port == GPIOA)
{
__HAL_RCC_GPIOA_CLK_ENABLE();
}
#endif /* GPIOA */
#ifdef GPIOB
if (pin_port_data->port == GPIOB)
{
__HAL_RCC_GPIOB_CLK_ENABLE();
}
#endif /* GPIOB */
#ifdef GPIOC
if (pin_port_data->port == GPIOC)
{
__HAL_RCC_GPIOC_CLK_ENABLE();
}
#endif /* GPIOC */
#ifdef GPIOD
if (pin_port_data->port == GPIOD)
{
__HAL_RCC_GPIOD_CLK_ENABLE();
}
#endif /* GPIOD */
#ifdef GPIOE
if (pin_port_data->port == GPIOE)
{
__HAL_RCC_GPIOE_CLK_ENABLE();
}
#endif /* GPIOE */
switch (mode)
{
case MR_PIN_MODE_NONE:
{
GPIO_InitStructure.Mode = GPIO_MODE_INPUT;
GPIO_InitStructure.Pull = GPIO_NOPULL;
break;
}
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:
{
return MR_EINVAL;
}
}
/* Configure EXTI */
if (mode >= MR_PIN_MODE_IRQ_RISING)
{
if ((pin_irq_mask[exti_line] != -1) && (pin_irq_mask[exti_line] != number))
{
return MR_EBUSY;
}
pin_irq_mask[exti_line] = number;
HAL_NVIC_SetPriority(pin_irq_map[exti_line], 5, 0);
HAL_NVIC_EnableIRQ(pin_irq_map[exti_line]);
} else if (number == pin_irq_mask[exti_line])
{
if ((exti_line >= 5) && (exti_line <= 9))
{
if ((pin_irq_mask[5] == -1) &&
(pin_irq_mask[6] == -1) &&
(pin_irq_mask[7] == -1) &&
(pin_irq_mask[8] == -1) &&
(pin_irq_mask[9] == -1))
{
HAL_NVIC_DisableIRQ(pin_irq_map[exti_line]);
}
} else
{
if ((pin_irq_mask[10] == -1) &&
(pin_irq_mask[11] == -1) &&
(pin_irq_mask[12] == -1) &&
(pin_irq_mask[13] == -1) &&
(pin_irq_mask[14] == -1) &&
(pin_irq_mask[15] == -1))
{
HAL_NVIC_DisableIRQ(pin_irq_map[exti_line]);
}
}
pin_irq_mask[exti_line] = -1;
}
/* Configure GPIO */
GPIO_InitStructure.Pin = pin_data->pin;
GPIO_InitStructure.Speed = GPIO_SPEED_FREQ_HIGH;
HAL_GPIO_Init(pin_port_data->port, &GPIO_InitStructure);
return MR_EOK;
}
static int drv_pin_read(struct mr_pin *pin, int number, uint8_t *value)
{
struct drv_pin_port_data *pin_port_data = drv_pin_get_port_data(number);
struct drv_pin_data *pin_data = drv_pin_get_data(number);
#ifdef MR_USING_PIN_CHECK
/* Check pin is valid */
if (pin_port_data == NULL || pin_data == NULL)
{
return MR_EINVAL;
}
#endif /* MR_USING_PIN_CHECK */
*value = HAL_GPIO_ReadPin(pin_port_data->port, pin_data->pin);
return MR_EOK;
}
static int drv_pin_write(struct mr_pin *pin, int number, uint8_t value)
{
struct drv_pin_port_data *pin_port_data = drv_pin_get_port_data(number);
struct drv_pin_data *pin_data = drv_pin_get_data(number);
#ifdef MR_USING_PIN_CHECK
/* Check pin is valid */
if (pin_port_data == NULL || pin_data == NULL)
{
return MR_EINVAL;
}
#endif /* MR_USING_PIN_CHECK */
HAL_GPIO_WritePin(pin_port_data->port, pin_data->pin, (GPIO_PinState)value);
return MR_EOK;
}
void EXTI0_IRQHandler(void)
{
if (__HAL_GPIO_EXTI_GET_IT(GPIO_PIN_0) != RESET)
{
mr_dev_isr(&pin_dev.dev, MR_ISR_PIN_EXTI_INT, &pin_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_dev_isr(&pin_dev.dev, MR_ISR_PIN_EXTI_INT, &pin_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_dev_isr(&pin_dev.dev, MR_ISR_PIN_EXTI_INT, &pin_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_dev_isr(&pin_dev.dev, MR_ISR_PIN_EXTI_INT, &pin_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_dev_isr(&pin_dev.dev, MR_ISR_PIN_EXTI_INT, &pin_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)
{
mr_dev_isr(&pin_dev.dev, MR_ISR_PIN_EXTI_INT, &pin_irq_mask[5]);
__HAL_GPIO_EXTI_CLEAR_IT(GPIO_PIN_5);
}
if (__HAL_GPIO_EXTI_GET_IT(GPIO_PIN_6) != RESET)
{
mr_dev_isr(&pin_dev.dev, MR_ISR_PIN_EXTI_INT, &pin_irq_mask[6]);
__HAL_GPIO_EXTI_CLEAR_IT(GPIO_PIN_6);
}
if (__HAL_GPIO_EXTI_GET_IT(GPIO_PIN_7) != RESET)
{
mr_dev_isr(&pin_dev.dev, MR_ISR_PIN_EXTI_INT, &pin_irq_mask[7]);
__HAL_GPIO_EXTI_CLEAR_IT(GPIO_PIN_7);
}
if (__HAL_GPIO_EXTI_GET_IT(GPIO_PIN_8) != RESET)
{
mr_dev_isr(&pin_dev.dev, MR_ISR_PIN_EXTI_INT, &pin_irq_mask[8]);
__HAL_GPIO_EXTI_CLEAR_IT(GPIO_PIN_8);
}
if (__HAL_GPIO_EXTI_GET_IT(GPIO_PIN_9) != RESET)
{
mr_dev_isr(&pin_dev.dev, MR_ISR_PIN_EXTI_INT, &pin_irq_mask[9]);
__HAL_GPIO_EXTI_CLEAR_IT(GPIO_PIN_9);
}
}
void EXTI15_10_IRQHandler(void)
{
if (__HAL_GPIO_EXTI_GET_IT(GPIO_PIN_10) != RESET)
{
mr_dev_isr(&pin_dev.dev, MR_ISR_PIN_EXTI_INT, &pin_irq_mask[10]);
__HAL_GPIO_EXTI_CLEAR_IT(GPIO_PIN_10);
}
if (__HAL_GPIO_EXTI_GET_IT(GPIO_PIN_11) != RESET)
{
mr_dev_isr(&pin_dev.dev, MR_ISR_PIN_EXTI_INT, &pin_irq_mask[11]);
__HAL_GPIO_EXTI_CLEAR_IT(GPIO_PIN_11);
}
if (__HAL_GPIO_EXTI_GET_IT(GPIO_PIN_12) != RESET)
{
mr_dev_isr(&pin_dev.dev, MR_ISR_PIN_EXTI_INT, &pin_irq_mask[12]);
__HAL_GPIO_EXTI_CLEAR_IT(GPIO_PIN_12);
}
if (__HAL_GPIO_EXTI_GET_IT(GPIO_PIN_13) != RESET)
{
mr_dev_isr(&pin_dev.dev, MR_ISR_PIN_EXTI_INT, &pin_irq_mask[13]);
__HAL_GPIO_EXTI_CLEAR_IT(GPIO_PIN_13);
}
if (__HAL_GPIO_EXTI_GET_IT(GPIO_PIN_14) != RESET)
{
mr_dev_isr(&pin_dev.dev, MR_ISR_PIN_EXTI_INT, &pin_irq_mask[14]);
__HAL_GPIO_EXTI_CLEAR_IT(GPIO_PIN_14);
}
if (__HAL_GPIO_EXTI_GET_IT(GPIO_PIN_15) != RESET)
{
mr_dev_isr(&pin_dev.dev, MR_ISR_PIN_EXTI_INT, &pin_irq_mask[15]);
__HAL_GPIO_EXTI_CLEAR_IT(GPIO_PIN_15);
}
}
static struct mr_pin_ops pin_drv_ops =
{
drv_pin_configure,
drv_pin_read,
drv_pin_write
};
static struct mr_drv pin_drv =
{
&pin_drv_ops,
MR_NULL
};
static void drv_pin_init(void)
{
mr_pin_register(&pin_dev, "pin", &pin_drv);
}
MR_INIT_DRV_EXPORT(drv_pin_init);
#endif /* MR_USING_PIN */