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1.适配CH32 gpio驱动。

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This commit is contained in:
MacRsh
2023-08-30 23:14:50 +08:00
parent cd806fbeb3
commit 78df25892a
2 changed files with 81 additions and 83 deletions
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158
bsp/wch/driver/drv_gpio.c
View File

@@ -10,55 +10,55 @@
#include "drv_gpio.h"
#if (MR_CONF_PIN == MR_CONF_ENABLE)
#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)))
#define PIN_RCC(pin) (RCC_APB2Periph_GPIOA << PIN_PORT(pin))
static IRQn_Type irqno[] =
{
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 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_pos_t mask[16] = {-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1};
static mr_pos_t irq_mask[16] = {-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1};
static struct mr_pin pin_device;
static mr_err_t ch32_pin_configure(mr_pin_t pin, struct mr_pin_config *config)
static mr_err_t ch32_pin_configure(mr_pin_t pin, mr_pin_config_t config)
{
GPIO_InitTypeDef GPIO_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure = {0};
EXTI_InitTypeDef EXTI_InitStructure = {0};
NVIC_InitTypeDef NVIC_InitStructure = {0};
@@ -123,17 +123,20 @@ static mr_err_t ch32_pin_configure(mr_pin_t pin, struct mr_pin_config *config)
}
default:
return -MR_ERR_GENERIC;
{
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
break;
}
}
if (config->mode >= MR_PIN_MODE_IRQ_RISING)
{
if ((mask[config->number % 16] != -1 && mask[config->number % 16] != config->number))
if ((irq_mask[config->number % 16] != -1 && irq_mask[config->number % 16] != config->number))
{
return -MR_ERR_BUSY;
}
mask[config->number % 16] = config->number;
irq_mask[config->number % 16] = config->number;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO, ENABLE);
@@ -144,16 +147,16 @@ static mr_err_t ch32_pin_configure(mr_pin_t pin, struct mr_pin_config *config)
GPIO_EXTILineConfig(PIN_PORT(config->number), config->number % 16);
EXTI_Init(&EXTI_InitStructure);
NVIC_InitStructure.NVIC_IRQChannel = irqno[config->number % 16];
NVIC_InitStructure.NVIC_IRQChannel = irq[config->number % 16];
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 2;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
} else if (config->number == mask[config->number % 16])
} else if (config->number == irq_mask[config->number % 16])
{
if (config->number % 16 >= 5 && config->number % 16 <= 9)
{
if (mask[5] == -1 && mask[6] == -1 && mask[7] == -1 && mask[8] == -1 && mask[9] == -1)
if (irq_mask[5] == -1 && irq_mask[6] == -1 && irq_mask[7] == -1 && irq_mask[8] == -1 && irq_mask[9] == -1)
{
EXTI_InitStructure.EXTI_LineCmd = DISABLE;
} else
@@ -163,8 +166,9 @@ static mr_err_t ch32_pin_configure(mr_pin_t pin, struct mr_pin_config *config)
} else if (config->number % 16 >= 10 && config->number % 16 <= 15)
{
if (mask[10] == -1 && mask[11] == -1 && mask[12] == -1 && mask[13] == -1 && mask[14] == -1
&& mask[15] == -1)
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)
{
EXTI_InitStructure.EXTI_LineCmd = DISABLE;
} else
@@ -176,7 +180,7 @@ static mr_err_t ch32_pin_configure(mr_pin_t pin, struct mr_pin_config *config)
EXTI_InitStructure.EXTI_LineCmd = DISABLE;
}
mask[config->number % 16] = -1;
irq_mask[config->number % 16] = -1;
EXTI_InitStructure.EXTI_Line = PIN_STPIN(config->number);
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
@@ -190,23 +194,23 @@ static mr_err_t ch32_pin_configure(mr_pin_t pin, struct mr_pin_config *config)
return MR_ERR_OK;
}
static void ch32_pin_write(mr_pin_t pin, mr_pos_t number, mr_level_t level)
{
GPIO_WriteBit(PIN_STPORT(number), PIN_STPIN(number), level);
}
static mr_level_t ch32_pin_read(mr_pin_t pin, mr_pos_t number)
{
return GPIO_ReadInputDataBit(PIN_STPORT(number), PIN_STPIN(number));
}
static void ch32_pin_write(mr_pin_t pin, mr_pos_t number, mr_level_t level)
{
GPIO_WriteBit(PIN_STPORT(number), PIN_STPIN(number), level);
}
void EXTI0_IRQHandler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
void EXTI0_IRQHandler(void)
{
if (EXTI_GetITStatus(EXTI_Line0) != RESET)
{
mr_pin_device_isr(&pin_device, mask[0]);
mr_pin_device_isr(&pin_device, irq_mask[0]);
EXTI_ClearITPendingBit(EXTI_Line0);
}
}
@@ -217,7 +221,7 @@ void EXTI1_IRQHandler(void)
{
if (EXTI_GetITStatus(EXTI_Line1) != RESET)
{
mr_pin_device_isr(&pin_device, mask[1]);
mr_pin_device_isr(&pin_device, irq_mask[1]);
EXTI_ClearITPendingBit(EXTI_Line1);
}
}
@@ -228,7 +232,7 @@ void EXTI2_IRQHandler(void)
{
if (EXTI_GetITStatus(EXTI_Line2) != RESET)
{
mr_pin_device_isr(&pin_device, mask[2]);
mr_pin_device_isr(&pin_device, irq_mask[2]);
EXTI_ClearITPendingBit(EXTI_Line2);
}
}
@@ -239,7 +243,7 @@ void EXTI3_IRQHandler(void)
{
if (EXTI_GetITStatus(EXTI_Line3) != RESET)
{
mr_pin_device_isr(&pin_device, mask[3]);
mr_pin_device_isr(&pin_device, irq_mask[3]);
EXTI_ClearITPendingBit(EXTI_Line3);
}
}
@@ -250,7 +254,7 @@ void EXTI4_IRQHandler(void)
{
if (EXTI_GetITStatus(EXTI_Line4) != RESET)
{
mr_pin_device_isr(&pin_device, mask[4]);
mr_pin_device_isr(&pin_device, irq_mask[4]);
EXTI_ClearITPendingBit(EXTI_Line4);
}
}
@@ -265,11 +269,11 @@ void EXTI9_5_IRQHandler(void)
|| (EXTI_GetITStatus(EXTI_Line8) != RESET)
|| (EXTI_GetITStatus(EXTI_Line9) != RESET))
{
mr_pin_device_isr(&pin_device, mask[5]);
mr_pin_device_isr(&pin_device, mask[6]);
mr_pin_device_isr(&pin_device, mask[7]);
mr_pin_device_isr(&pin_device, mask[8]);
mr_pin_device_isr(&pin_device, mask[9]);
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]);
EXTI_ClearITPendingBit(EXTI_Line5 | EXTI_Line6 | EXTI_Line7 | EXTI_Line8 | EXTI_Line9);
}
}
@@ -285,30 +289,30 @@ void EXTI15_10_IRQHandler(void)
|| (EXTI_GetITStatus(EXTI_Line14) != RESET)
|| (EXTI_GetITStatus(EXTI_Line15) != RESET))
{
mr_pin_device_isr(&pin_device, mask[10]);
mr_pin_device_isr(&pin_device, mask[11]);
mr_pin_device_isr(&pin_device, mask[12]);
mr_pin_device_isr(&pin_device, mask[13]);
mr_pin_device_isr(&pin_device, mask[14]);
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]);
EXTI_ClearITPendingBit(EXTI_Line10 | EXTI_Line11 | EXTI_Line12 | EXTI_Line13 | EXTI_Line14 | EXTI_Line15);
}
}
mr_err_t ch32_gpio_init(void)
mr_err_t drv_gpio_init(void)
{
static struct mr_pin_ops drv_ops =
{
ch32_pin_configure,
ch32_pin_read,
ch32_pin_write,
};
mr_err_t ret = MR_ERR_OK;
static struct mr_pin_ops driver =
{
ch32_pin_configure,
ch32_pin_write,
ch32_pin_read,
};
ret = mr_pin_device_add(&pin_device, "pin", MR_NULL, &driver);
ret = mr_pin_device_add(&pin_device, "pin", &drv_ops, MR_NULL);
MR_ASSERT(ret == MR_ERR_OK);
return MR_ERR_OK;
}
AUTO_INIT_DRIVER_EXPORT(ch32_gpio_init);
MR_INIT_DRIVER_EXPORT(drv_gpio_init);
#endif /* MR_CONF_PIN */
#endif

6
bsp/wch/driver/drv_gpio.h
View File

@@ -13,10 +13,4 @@
#include "device/pin/pin.h"
#if (MR_CONF_PIN == MR_CONF_ENABLE)
mr_err_t ch32_gpio_init(void);
#endif /* MR_CONF_PIN */
#endif /* _DRV_GPIO_H_ */