/* * Copyright (c) 2006-2023, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * * Change Logs: * Date Author Notes * 2018-11-06 balanceTWK first version * 2019-04-23 WillianChan Fix GPIO serial number disorder * 2020-06-16 thread-liu add STM32MP1 * 2020-09-01 thread-liu add GPIOZ * 2020-09-18 geniusgogo optimization design pin-index algorithm */ #include #include "drv_gpio.h" #ifdef BSP_USING_GPIO #define PIN_NUM(port, no) (((((port) & 0xFu) << 4) | ((no) & 0xFu))) #define PIN_PORT(pin) ((uint8_t)(((pin) >> 4) & 0xFu)) #define PIN_NO(pin) ((uint8_t)((pin) & 0xFu)) #if defined(SOC_SERIES_STM32MP1) #if defined(GPIOZ) #define gpioz_port_base (175) /* PIN_STPORT_MAX * 16 - 16 */ #define PIN_STPORT(pin) ((pin > gpioz_port_base) ? ((GPIO_TypeDef *)(GPIOZ_BASE )) : ((GPIO_TypeDef *)(GPIOA_BASE + (0x1000u * PIN_PORT(pin))))) #else #define PIN_STPORT(pin) ((GPIO_TypeDef *)(GPIOA_BASE + (0x1000u * PIN_PORT(pin)))) #endif /* GPIOZ */ #else #define PIN_STPORT(pin) ((GPIO_TypeDef *)(GPIOA_BASE + (0x400u * PIN_PORT(pin)))) #endif /* SOC_SERIES_STM32MP1 */ #define PIN_STPIN(pin) ((uint16_t)(1u << PIN_NO(pin))) #if defined(GPIOZ) #define __STM32_PORT_MAX 12u #elif defined(GPIOK) #define __STM32_PORT_MAX 11u #elif defined(GPIOJ) #define __STM32_PORT_MAX 10u #elif defined(GPIOI) #define __STM32_PORT_MAX 9u #elif defined(GPIOH) #define __STM32_PORT_MAX 8u #elif defined(GPIOG) #define __STM32_PORT_MAX 7u #elif defined(GPIOF) #define __STM32_PORT_MAX 6u #elif defined(GPIOE) #define __STM32_PORT_MAX 5u #elif defined(GPIOD) #define __STM32_PORT_MAX 4u #elif defined(GPIOC) #define __STM32_PORT_MAX 3u #elif defined(GPIOB) #define __STM32_PORT_MAX 2u #elif defined(GPIOA) #define __STM32_PORT_MAX 1u #else #define __STM32_PORT_MAX 0u #error Unsupported STM32 GPIO peripheral. #endif #define PIN_STPORT_MAX __STM32_PORT_MAX static const struct pin_irq_map pin_irq_map[] = { #if defined(SOC_SERIES_STM32F0) || defined(SOC_SERIES_STM32L0) || defined(SOC_SERIES_STM32G0) {GPIO_PIN_0, EXTI0_1_IRQn}, {GPIO_PIN_1, EXTI0_1_IRQn}, {GPIO_PIN_2, EXTI2_3_IRQn}, {GPIO_PIN_3, EXTI2_3_IRQn}, {GPIO_PIN_4, EXTI4_15_IRQn}, {GPIO_PIN_5, EXTI4_15_IRQn}, {GPIO_PIN_6, EXTI4_15_IRQn}, {GPIO_PIN_7, EXTI4_15_IRQn}, {GPIO_PIN_8, EXTI4_15_IRQn}, {GPIO_PIN_9, EXTI4_15_IRQn}, {GPIO_PIN_10, EXTI4_15_IRQn}, {GPIO_PIN_11, EXTI4_15_IRQn}, {GPIO_PIN_12, EXTI4_15_IRQn}, {GPIO_PIN_13, EXTI4_15_IRQn}, {GPIO_PIN_14, EXTI4_15_IRQn}, {GPIO_PIN_15, EXTI4_15_IRQn}, #elif defined(SOC_SERIES_STM32MP1) || defined(SOC_SERIES_STM32L5) || defined(SOC_SERIES_STM32U5) {GPIO_PIN_0, EXTI0_IRQn}, {GPIO_PIN_1, EXTI1_IRQn}, {GPIO_PIN_2, EXTI2_IRQn}, {GPIO_PIN_3, EXTI3_IRQn}, {GPIO_PIN_4, EXTI4_IRQn}, {GPIO_PIN_5, EXTI5_IRQn}, {GPIO_PIN_6, EXTI6_IRQn}, {GPIO_PIN_7, EXTI7_IRQn}, {GPIO_PIN_8, EXTI8_IRQn}, {GPIO_PIN_9, EXTI9_IRQn}, {GPIO_PIN_10, EXTI10_IRQn}, {GPIO_PIN_11, EXTI11_IRQn}, {GPIO_PIN_12, EXTI12_IRQn}, {GPIO_PIN_13, EXTI13_IRQn}, {GPIO_PIN_14, EXTI14_IRQn}, {GPIO_PIN_15, EXTI15_IRQn}, #elif defined(SOC_SERIES_STM32F3) {GPIO_PIN_0, EXTI0_IRQn}, {GPIO_PIN_1, EXTI1_IRQn}, {GPIO_PIN_2, EXTI2_TSC_IRQn}, {GPIO_PIN_3, EXTI3_IRQn}, {GPIO_PIN_4, EXTI4_IRQn}, {GPIO_PIN_5, EXTI9_5_IRQn}, {GPIO_PIN_6, EXTI9_5_IRQn}, {GPIO_PIN_7, EXTI9_5_IRQn}, {GPIO_PIN_8, EXTI9_5_IRQn}, {GPIO_PIN_9, EXTI9_5_IRQn}, {GPIO_PIN_10, EXTI15_10_IRQn}, {GPIO_PIN_11, EXTI15_10_IRQn}, {GPIO_PIN_12, EXTI15_10_IRQn}, {GPIO_PIN_13, EXTI15_10_IRQn}, {GPIO_PIN_14, EXTI15_10_IRQn}, {GPIO_PIN_15, EXTI15_10_IRQn}, #else {GPIO_PIN_0, EXTI0_IRQn}, {GPIO_PIN_1, EXTI1_IRQn}, {GPIO_PIN_2, EXTI2_IRQn}, {GPIO_PIN_3, EXTI3_IRQn}, {GPIO_PIN_4, EXTI4_IRQn}, {GPIO_PIN_5, EXTI9_5_IRQn}, {GPIO_PIN_6, EXTI9_5_IRQn}, {GPIO_PIN_7, EXTI9_5_IRQn}, {GPIO_PIN_8, EXTI9_5_IRQn}, {GPIO_PIN_9, EXTI9_5_IRQn}, {GPIO_PIN_10, EXTI15_10_IRQn}, {GPIO_PIN_11, EXTI15_10_IRQn}, {GPIO_PIN_12, EXTI15_10_IRQn}, {GPIO_PIN_13, EXTI15_10_IRQn}, {GPIO_PIN_14, EXTI15_10_IRQn}, {GPIO_PIN_15, EXTI15_10_IRQn}, #endif }; static struct rt_pin_irq_hdr pin_irq_hdr_tab[] = { {-1, 0, RT_NULL, RT_NULL}, {-1, 0, RT_NULL, RT_NULL}, {-1, 0, RT_NULL, RT_NULL}, {-1, 0, RT_NULL, RT_NULL}, {-1, 0, RT_NULL, RT_NULL}, {-1, 0, RT_NULL, RT_NULL}, {-1, 0, RT_NULL, RT_NULL}, {-1, 0, RT_NULL, RT_NULL}, {-1, 0, RT_NULL, RT_NULL}, {-1, 0, RT_NULL, RT_NULL}, {-1, 0, RT_NULL, RT_NULL}, {-1, 0, RT_NULL, RT_NULL}, {-1, 0, RT_NULL, RT_NULL}, {-1, 0, RT_NULL, RT_NULL}, {-1, 0, RT_NULL, RT_NULL}, {-1, 0, RT_NULL, RT_NULL}, }; static uint32_t pin_irq_enable_mask = 0; #define ITEM_NUM(items) (sizeof(items) / sizeof((items)[0])) /* e.g. PE.7 */ static rt_base_t stm32_pin_get(const char *name) { rt_base_t pin = 0; int hw_port_num, hw_pin_num = 0; int i, name_len; name_len = rt_strlen(name); if ((name_len < 4) || (name_len >= 6)) { return -RT_EINVAL; } if ((name[0] != 'P') || (name[2] != '.')) { return -RT_EINVAL; } if ((name[1] >= 'A') && (name[1] <= 'Z')) { hw_port_num = (int)(name[1] - 'A'); } else { return -RT_EINVAL; } for (i = 3; i < name_len; i++) { hw_pin_num *= 10; hw_pin_num += name[i] - '0'; } pin = PIN_NUM(hw_port_num, hw_pin_num); return pin; } static void stm32_pin_write(rt_device_t dev, rt_base_t pin, rt_uint8_t value) { GPIO_TypeDef *gpio_port; uint16_t gpio_pin; if (PIN_PORT(pin) < PIN_STPORT_MAX) { gpio_port = PIN_STPORT(pin); gpio_pin = PIN_STPIN(pin); HAL_GPIO_WritePin(gpio_port, gpio_pin, (GPIO_PinState)value); } } static rt_int8_t stm32_pin_read(rt_device_t dev, rt_base_t pin) { GPIO_TypeDef *gpio_port; uint16_t gpio_pin; GPIO_PinState state; if (PIN_PORT(pin) < PIN_STPORT_MAX) { gpio_port = PIN_STPORT(pin); gpio_pin = PIN_STPIN(pin); state = HAL_GPIO_ReadPin(gpio_port, gpio_pin); } return (state == GPIO_PIN_RESET) ? PIN_LOW : PIN_HIGH; } static void stm32_pin_mode(rt_device_t dev, rt_base_t pin, rt_uint8_t mode) { GPIO_InitTypeDef GPIO_InitStruct; if (PIN_PORT(pin) >= PIN_STPORT_MAX) { return; } /* Configure GPIO_InitStructure */ GPIO_InitStruct.Pin = PIN_STPIN(pin); GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; 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(PIN_STPORT(pin), &GPIO_InitStruct); } rt_inline rt_int32_t bit2bitno(rt_uint32_t bit) { rt_int32_t i; for (i = 0; i < 32; i++) { if (((rt_uint32_t)0x01 << i) == bit) { return i; } } return -1; } rt_inline const struct pin_irq_map *get_pin_irq_map(uint32_t pinbit) { rt_int32_t mapindex = bit2bitno(pinbit); if (mapindex < 0 || mapindex >= (rt_int32_t)ITEM_NUM(pin_irq_map)) { return RT_NULL; } return &pin_irq_map[mapindex]; }; static rt_err_t stm32_pin_attach_irq(struct rt_device *device, rt_base_t pin, rt_uint8_t mode, void (*hdr)(void *args), void *args) { rt_base_t level; rt_int32_t irqindex = -1; if (PIN_PORT(pin) >= PIN_STPORT_MAX) { return -RT_ENOSYS; } irqindex = bit2bitno(PIN_STPIN(pin)); if (irqindex < 0 || irqindex >= (rt_int32_t)ITEM_NUM(pin_irq_map)) { return -RT_ENOSYS; } level = rt_hw_interrupt_disable(); if (pin_irq_hdr_tab[irqindex].pin == pin && pin_irq_hdr_tab[irqindex].hdr == hdr && pin_irq_hdr_tab[irqindex].mode == mode && pin_irq_hdr_tab[irqindex].args == args) { rt_hw_interrupt_enable(level); return RT_EOK; } if (pin_irq_hdr_tab[irqindex].pin != -1) { rt_hw_interrupt_enable(level); return -RT_EBUSY; } pin_irq_hdr_tab[irqindex].pin = pin; pin_irq_hdr_tab[irqindex].hdr = hdr; pin_irq_hdr_tab[irqindex].mode = mode; pin_irq_hdr_tab[irqindex].args = args; rt_hw_interrupt_enable(level); return RT_EOK; } static rt_err_t stm32_pin_dettach_irq(struct rt_device *device, rt_base_t pin) { rt_base_t level; rt_int32_t irqindex = -1; if (PIN_PORT(pin) >= PIN_STPORT_MAX) { return -RT_ENOSYS; } irqindex = bit2bitno(PIN_STPIN(pin)); if (irqindex < 0 || irqindex >= (rt_int32_t)ITEM_NUM(pin_irq_map)) { return -RT_ENOSYS; } level = rt_hw_interrupt_disable(); if (pin_irq_hdr_tab[irqindex].pin == -1) { rt_hw_interrupt_enable(level); return RT_EOK; } pin_irq_hdr_tab[irqindex].pin = -1; pin_irq_hdr_tab[irqindex].hdr = RT_NULL; pin_irq_hdr_tab[irqindex].mode = 0; pin_irq_hdr_tab[irqindex].args = RT_NULL; rt_hw_interrupt_enable(level); return RT_EOK; } static rt_err_t stm32_pin_irq_enable(struct rt_device *device, rt_base_t pin, rt_uint8_t enabled) { const struct pin_irq_map *irqmap; rt_base_t level; rt_int32_t irqindex = -1; GPIO_InitTypeDef GPIO_InitStruct; if (PIN_PORT(pin) >= PIN_STPORT_MAX) { return -RT_ENOSYS; } if (enabled == PIN_IRQ_ENABLE) { irqindex = bit2bitno(PIN_STPIN(pin)); if (irqindex < 0 || irqindex >= (rt_int32_t)ITEM_NUM(pin_irq_map)) { return -RT_ENOSYS; } level = rt_hw_interrupt_disable(); if (pin_irq_hdr_tab[irqindex].pin == -1) { rt_hw_interrupt_enable(level); return -RT_ENOSYS; } irqmap = &pin_irq_map[irqindex]; /* Configure GPIO_InitStructure */ GPIO_InitStruct.Pin = PIN_STPIN(pin); GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH; switch (pin_irq_hdr_tab[irqindex].mode) { case PIN_IRQ_MODE_RISING: GPIO_InitStruct.Pull = GPIO_PULLDOWN; GPIO_InitStruct.Mode = GPIO_MODE_IT_RISING; break; case PIN_IRQ_MODE_FALLING: GPIO_InitStruct.Pull = GPIO_PULLUP; GPIO_InitStruct.Mode = GPIO_MODE_IT_FALLING; break; case PIN_IRQ_MODE_RISING_FALLING: GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Mode = GPIO_MODE_IT_RISING_FALLING; break; } HAL_GPIO_Init(PIN_STPORT(pin), &GPIO_InitStruct); HAL_NVIC_SetPriority(irqmap->irqno, 5, 0); HAL_NVIC_EnableIRQ(irqmap->irqno); pin_irq_enable_mask |= irqmap->pinbit; rt_hw_interrupt_enable(level); } else if (enabled == PIN_IRQ_DISABLE) { irqmap = get_pin_irq_map(PIN_STPIN(pin)); if (irqmap == RT_NULL) { return -RT_ENOSYS; } level = rt_hw_interrupt_disable(); HAL_GPIO_DeInit(PIN_STPORT(pin), PIN_STPIN(pin)); pin_irq_enable_mask &= ~irqmap->pinbit; #if defined(SOC_SERIES_STM32F0) || defined(SOC_SERIES_STM32G0) if ((irqmap->pinbit >= GPIO_PIN_0) && (irqmap->pinbit <= GPIO_PIN_1)) { if (!(pin_irq_enable_mask & (GPIO_PIN_0 | GPIO_PIN_1))) { HAL_NVIC_DisableIRQ(irqmap->irqno); } } else if ((irqmap->pinbit >= GPIO_PIN_2) && (irqmap->pinbit <= GPIO_PIN_3)) { if (!(pin_irq_enable_mask & (GPIO_PIN_2 | GPIO_PIN_3))) { HAL_NVIC_DisableIRQ(irqmap->irqno); } } else if ((irqmap->pinbit >= GPIO_PIN_4) && (irqmap->pinbit <= GPIO_PIN_15)) { if (!(pin_irq_enable_mask & (GPIO_PIN_4 | GPIO_PIN_5 | GPIO_PIN_6 | GPIO_PIN_7 | GPIO_PIN_8 | GPIO_PIN_9 | GPIO_PIN_10 | GPIO_PIN_11 | GPIO_PIN_12 | GPIO_PIN_13 | GPIO_PIN_14 | GPIO_PIN_15))) { HAL_NVIC_DisableIRQ(irqmap->irqno); } } else { HAL_NVIC_DisableIRQ(irqmap->irqno); } #else if ((irqmap->pinbit >= GPIO_PIN_5) && (irqmap->pinbit <= GPIO_PIN_9)) { if (!(pin_irq_enable_mask & (GPIO_PIN_5 | GPIO_PIN_6 | GPIO_PIN_7 | GPIO_PIN_8 | GPIO_PIN_9))) { HAL_NVIC_DisableIRQ(irqmap->irqno); } } else if ((irqmap->pinbit >= GPIO_PIN_10) && (irqmap->pinbit <= GPIO_PIN_15)) { if (!(pin_irq_enable_mask & (GPIO_PIN_10 | GPIO_PIN_11 | GPIO_PIN_12 | GPIO_PIN_13 | GPIO_PIN_14 | GPIO_PIN_15))) { HAL_NVIC_DisableIRQ(irqmap->irqno); } } else { HAL_NVIC_DisableIRQ(irqmap->irqno); } #endif rt_hw_interrupt_enable(level); } else { return -RT_ENOSYS; } return RT_EOK; } static const struct rt_pin_ops _stm32_pin_ops = { stm32_pin_mode, stm32_pin_write, stm32_pin_read, stm32_pin_attach_irq, stm32_pin_dettach_irq, stm32_pin_irq_enable, stm32_pin_get, }; rt_inline void pin_irq_hdr(int irqno) { if (pin_irq_hdr_tab[irqno].hdr) { pin_irq_hdr_tab[irqno].hdr(pin_irq_hdr_tab[irqno].args); } } #if defined(SOC_SERIES_STM32G0) || defined(SOC_SERIES_STM32MP1) || defined(SOC_SERIES_STM32U5) void HAL_GPIO_EXTI_Rising_Callback(uint16_t GPIO_Pin) { pin_irq_hdr(bit2bitno(GPIO_Pin)); } void HAL_GPIO_EXTI_Falling_Callback(uint16_t GPIO_Pin) { pin_irq_hdr(bit2bitno(GPIO_Pin)); } #else void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin) { pin_irq_hdr(bit2bitno(GPIO_Pin)); } #endif #if defined(SOC_SERIES_STM32F0) || defined(SOC_SERIES_STM32G0) || defined(SOC_SERIES_STM32L0) void EXTI0_1_IRQHandler(void) { rt_interrupt_enter(); HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_0); HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_1); rt_interrupt_leave(); } void EXTI2_3_IRQHandler(void) { rt_interrupt_enter(); HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_2); HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_3); rt_interrupt_leave(); } void EXTI4_15_IRQHandler(void) { rt_interrupt_enter(); HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_4); HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_5); HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_6); HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_7); HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_8); HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_9); HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_10); HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_11); HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_12); HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_13); HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_14); HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_15); rt_interrupt_leave(); } #elif defined(SOC_SERIES_STM32MP1) || defined(SOC_SERIES_STM32U5) void EXTI0_IRQHandler(void) { rt_interrupt_enter(); HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_0); rt_interrupt_leave(); } void EXTI1_IRQHandler(void) { rt_interrupt_enter(); HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_1); rt_interrupt_leave(); } void EXTI2_IRQHandler(void) { rt_interrupt_enter(); HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_2); rt_interrupt_leave(); } void EXTI3_IRQHandler(void) { rt_interrupt_enter(); HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_3); rt_interrupt_leave(); } void EXTI4_IRQHandler(void) { rt_interrupt_enter(); HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_4); rt_interrupt_leave(); } void EXTI5_IRQHandler(void) { rt_interrupt_enter(); HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_5); rt_interrupt_leave(); } void EXTI6_IRQHandler(void) { rt_interrupt_enter(); HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_6); rt_interrupt_leave(); } void EXTI7_IRQHandler(void) { rt_interrupt_enter(); HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_7); rt_interrupt_leave(); } void EXTI8_IRQHandler(void) { rt_interrupt_enter(); HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_8); rt_interrupt_leave(); } void EXTI9_IRQHandler(void) { rt_interrupt_enter(); HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_9); rt_interrupt_leave(); } void EXTI10_IRQHandler(void) { rt_interrupt_enter(); HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_10); rt_interrupt_leave(); } void EXTI11_IRQHandler(void) { rt_interrupt_enter(); HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_11); rt_interrupt_leave(); } void EXTI12_IRQHandler(void) { rt_interrupt_enter(); HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_12); rt_interrupt_leave(); } void EXTI13_IRQHandler(void) { rt_interrupt_enter(); HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_13); rt_interrupt_leave(); } void EXTI14_IRQHandler(void) { rt_interrupt_enter(); HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_14); rt_interrupt_leave(); } void EXTI15_IRQHandler(void) { rt_interrupt_enter(); HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_15); rt_interrupt_leave(); } #else void EXTI0_IRQHandler(void) { rt_interrupt_enter(); HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_0); rt_interrupt_leave(); } void EXTI1_IRQHandler(void) { rt_interrupt_enter(); HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_1); rt_interrupt_leave(); } void EXTI2_IRQHandler(void) { rt_interrupt_enter(); HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_2); rt_interrupt_leave(); } void EXTI3_IRQHandler(void) { rt_interrupt_enter(); HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_3); rt_interrupt_leave(); } void EXTI4_IRQHandler(void) { rt_interrupt_enter(); HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_4); rt_interrupt_leave(); } void EXTI9_5_IRQHandler(void) { rt_interrupt_enter(); HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_5); HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_6); HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_7); HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_8); HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_9); rt_interrupt_leave(); } void EXTI15_10_IRQHandler(void) { rt_interrupt_enter(); HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_10); HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_11); HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_12); HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_13); HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_14); HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_15); rt_interrupt_leave(); } #endif int rt_hw_pin_init(void) { #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 return rt_device_pin_register("pin", &_stm32_pin_ops, RT_NULL); } #endif /* BSP_USING_GPIO */