928 lines
23 KiB
C
928 lines
23 KiB
C
/*
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* File : drv_gpio.c
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* This file is part of RT-Thread RTOS
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* COPYRIGHT (C) 2015, RT-Thread Development Team
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rt-thread.org/license/LICENSE
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*
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* Change Logs:
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* Date Author Notes
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* 2017-10-20 ZYH the first version
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* 2017-11-15 ZYH update to 3.0.0
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*/
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#include <rthw.h>
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#include <rtdevice.h>
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#include <board.h>
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#include <rtthread.h>
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#ifdef RT_USING_PIN
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#define __STM32_PIN(index, gpio, gpio_index) (gpio | gpio_index)
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#define __STM32_PIN_DEFAULT 0
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#define A (1U << 8)
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#define B (2U << 8)
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#define C (3U << 8)
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#define D (4U << 8)
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#define E (5U << 8)
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#define F (6U << 8)
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#define G (7U << 8)
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#define H (8U << 8)
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#define I (9U << 8)
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#define J (10U << 8)
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#define K (11U << 8)
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static GPIO_TypeDef * get_st_gpio(rt_uint16_t gpio_pin)
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{
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switch(gpio_pin & 0xFF00)
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{
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case A:
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#ifdef GPIOA
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return GPIOA;
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#endif
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case B:
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#ifdef GPIOB
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return GPIOB;
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#endif
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case C:
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#ifdef GPIOC
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return GPIOC;
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#endif
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case D:
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#ifdef GPIOD
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return GPIOD;
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#endif
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case E:
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#ifdef GPIOE
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return GPIOE;
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#endif
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case F:
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#ifdef GPIOF
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return GPIOF;
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#endif
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case G:
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#ifdef GPIOG
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return GPIOG;
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#endif
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case H:
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#ifdef GPIOH
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return GPIOH;
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#endif
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case I:
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#ifdef GPIOI
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return GPIOI;
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#endif
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case J:
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#ifdef GPIOJ
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return GPIOJ;
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#endif
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case K:
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#ifdef GPIOK
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return GPIOK;
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#endif
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default:
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return RT_NULL;
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}
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}
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#define get_st_pin(gpio_pin) (0x01 << (gpio_pin&0xFF))
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static void drv_clock_enable(rt_uint16_t gpio_pin)
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{
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switch(gpio_pin & 0xFF00)
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{
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case A:
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#ifdef __HAL_RCC_GPIOA_CLK_ENABLE
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__HAL_RCC_GPIOA_CLK_ENABLE();
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#endif
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break;
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case B:
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#ifdef __HAL_RCC_GPIOB_CLK_ENABLE
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__HAL_RCC_GPIOB_CLK_ENABLE();
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#endif
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break;
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case C:
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#ifdef __HAL_RCC_GPIOC_CLK_ENABLE
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__HAL_RCC_GPIOC_CLK_ENABLE();
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#endif
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break;
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case D:
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#ifdef __HAL_RCC_GPIOD_CLK_ENABLE
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__HAL_RCC_GPIOD_CLK_ENABLE();
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#endif
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break;
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case E:
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#ifdef __HAL_RCC_GPIOE_CLK_ENABLE
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__HAL_RCC_GPIOE_CLK_ENABLE();
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#endif
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break;
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case F:
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#ifdef __HAL_RCC_GPIOF_CLK_ENABLE
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__HAL_RCC_GPIOF_CLK_ENABLE();
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#endif
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break;
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case G:
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#ifdef __HAL_RCC_GPIOG_CLK_ENABLE
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__HAL_RCC_GPIOG_CLK_ENABLE();
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#endif
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break;
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case H:
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#ifdef __HAL_RCC_GPIOH_CLK_ENABLE
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__HAL_RCC_GPIOH_CLK_ENABLE();
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#endif
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break;
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case I:
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#ifdef __HAL_RCC_GPIOI_CLK_ENABLE
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__HAL_RCC_GPIOI_CLK_ENABLE();
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#endif
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break;
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case J:
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#ifdef __HAL_RCC_GPIOJ_CLK_ENABLE
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__HAL_RCC_GPIOJ_CLK_ENABLE();
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#endif
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break;
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case K:
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#ifdef __HAL_RCC_GPIOK_CLK_ENABLE
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__HAL_RCC_GPIOK_CLK_ENABLE();
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#endif
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break;
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default:
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break;
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}
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}
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/* STM32 GPIO driver */
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static const rt_uint16_t pins[] =
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{
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#if (STM32F10X_PIN_NUMBERS == 36)
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__STM32_PIN_DEFAULT,
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__STM32_PIN_DEFAULT,
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__STM32_PIN_DEFAULT,
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__STM32_PIN_DEFAULT,
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__STM32_PIN_DEFAULT,
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__STM32_PIN_DEFAULT,
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__STM32_PIN_DEFAULT,
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__STM32_PIN(7, A, 0),
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__STM32_PIN(8, A, 1),
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__STM32_PIN(9, A, 2),
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__STM32_PIN(10, A, 3),
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__STM32_PIN(11, A, 4),
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__STM32_PIN(12, A, 5),
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__STM32_PIN(13, A, 6),
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__STM32_PIN(14, A, 7),
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__STM32_PIN(15, B, 0),
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__STM32_PIN(16, B, 1),
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__STM32_PIN(17, B, 2),
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__STM32_PIN_DEFAULT,
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__STM32_PIN_DEFAULT,
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__STM32_PIN(20, A, 8),
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__STM32_PIN(21, A, 9),
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__STM32_PIN(22, A, 10),
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__STM32_PIN(23, A, 11),
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__STM32_PIN(24, A, 12),
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__STM32_PIN(25, A, 13),
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__STM32_PIN_DEFAULT,
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__STM32_PIN_DEFAULT,
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__STM32_PIN(28, A, 14),
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__STM32_PIN(29, A, 15),
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__STM32_PIN(30, B, 3),
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__STM32_PIN(31, B, 4),
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__STM32_PIN(32, B, 5),
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__STM32_PIN(33, B, 6),
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__STM32_PIN(34, B, 7),
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__STM32_PIN_DEFAULT,
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__STM32_PIN_DEFAULT,
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#endif
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#if (STM32F10X_PIN_NUMBERS == 48)
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__STM32_PIN_DEFAULT,
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__STM32_PIN_DEFAULT,
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__STM32_PIN(2, C, 13),
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__STM32_PIN(3, C, 14),
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__STM32_PIN(4, C, 15),
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__STM32_PIN_DEFAULT,
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__STM32_PIN_DEFAULT,
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__STM32_PIN_DEFAULT,
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__STM32_PIN_DEFAULT,
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__STM32_PIN_DEFAULT,
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__STM32_PIN(10, A, 0),
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__STM32_PIN(11, A, 1),
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__STM32_PIN(12, A, 2),
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__STM32_PIN(13, A, 3),
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__STM32_PIN(14, A, 4),
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__STM32_PIN(15, A, 5),
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__STM32_PIN(16, A, 6),
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__STM32_PIN(17, A, 7),
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__STM32_PIN(18, B, 0),
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__STM32_PIN(19, B, 1),
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__STM32_PIN(20, B, 2),
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__STM32_PIN(21, B, 10),
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__STM32_PIN(22, B, 11),
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__STM32_PIN_DEFAULT,
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__STM32_PIN_DEFAULT,
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__STM32_PIN(25, B, 12),
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__STM32_PIN(26, B, 13),
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__STM32_PIN(27, B, 14),
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__STM32_PIN(28, B, 15),
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__STM32_PIN(29, A, 8),
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__STM32_PIN(30, A, 9),
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__STM32_PIN(31, A, 10),
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__STM32_PIN(32, A, 11),
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__STM32_PIN(33, A, 12),
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__STM32_PIN(34, A, 13),
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__STM32_PIN_DEFAULT,
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__STM32_PIN_DEFAULT,
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__STM32_PIN(37, A, 14),
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__STM32_PIN(38, A, 15),
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__STM32_PIN(39, B, 3),
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__STM32_PIN(40, B, 4),
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__STM32_PIN(41, B, 5),
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__STM32_PIN(42, B, 6),
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__STM32_PIN(43, B, 7),
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__STM32_PIN_DEFAULT,
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__STM32_PIN(45, B, 8),
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__STM32_PIN(46, B, 9),
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__STM32_PIN_DEFAULT,
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__STM32_PIN_DEFAULT,
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#endif
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#if (STM32F10X_PIN_NUMBERS == 64)
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__STM32_PIN_DEFAULT,
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__STM32_PIN_DEFAULT,
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__STM32_PIN(2, C, 13),
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__STM32_PIN(3, C, 14),
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__STM32_PIN(4, C, 15),
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__STM32_PIN(5, D, 0),
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__STM32_PIN(6, D, 1),
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__STM32_PIN_DEFAULT,
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__STM32_PIN(8, C, 0),
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__STM32_PIN(9, C, 1),
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__STM32_PIN(10, C, 2),
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__STM32_PIN(11, C, 3),
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__STM32_PIN_DEFAULT,
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__STM32_PIN_DEFAULT,
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__STM32_PIN(14, A, 0),
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__STM32_PIN(15, A, 1),
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__STM32_PIN(16, A, 2),
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__STM32_PIN(17, A, 3),
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__STM32_PIN_DEFAULT,
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__STM32_PIN_DEFAULT,
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__STM32_PIN(20, A, 4),
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__STM32_PIN(21, A, 5),
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__STM32_PIN(22, A, 6),
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__STM32_PIN(23, A, 7),
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__STM32_PIN(24, C, 4),
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__STM32_PIN(25, C, 5),
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__STM32_PIN(26, B, 0),
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__STM32_PIN(27, B, 1),
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__STM32_PIN(28, B, 2),
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__STM32_PIN(29, B, 10),
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__STM32_PIN(30, B, 11),
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__STM32_PIN_DEFAULT,
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__STM32_PIN_DEFAULT,
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__STM32_PIN(33, B, 12),
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__STM32_PIN(34, B, 13),
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__STM32_PIN(35, B, 14),
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__STM32_PIN(36, B, 15),
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__STM32_PIN(37, C, 6),
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__STM32_PIN(38, C, 7),
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__STM32_PIN(39, C, 8),
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__STM32_PIN(40, C, 9),
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__STM32_PIN(41, A, 8),
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__STM32_PIN(42, A, 9),
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__STM32_PIN(43, A, 10),
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__STM32_PIN(44, A, 11),
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__STM32_PIN(45, A, 12),
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__STM32_PIN(46, A, 13),
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__STM32_PIN_DEFAULT,
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__STM32_PIN_DEFAULT,
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__STM32_PIN(49, A, 14),
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__STM32_PIN(50, A, 15),
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__STM32_PIN(51, C, 10),
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__STM32_PIN(52, C, 11),
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__STM32_PIN(53, C, 12),
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__STM32_PIN(54, D, 2),
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__STM32_PIN(55, B, 3),
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__STM32_PIN(56, B, 4),
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__STM32_PIN(57, B, 5),
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__STM32_PIN(58, B, 6),
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__STM32_PIN(59, B, 7),
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__STM32_PIN_DEFAULT,
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__STM32_PIN(61, B, 8),
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__STM32_PIN(62, B, 9),
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__STM32_PIN_DEFAULT,
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__STM32_PIN_DEFAULT,
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#endif
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#if (STM32F10X_PIN_NUMBERS == 100)
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__STM32_PIN_DEFAULT,
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__STM32_PIN(1, E, 2),
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__STM32_PIN(2, E, 3),
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__STM32_PIN(3, E, 4),
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__STM32_PIN(4, E, 5),
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__STM32_PIN(5, E, 6),
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__STM32_PIN_DEFAULT,
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__STM32_PIN(7, C, 13),
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__STM32_PIN(8, C, 14),
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__STM32_PIN(9, C, 15),
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__STM32_PIN_DEFAULT,
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__STM32_PIN_DEFAULT,
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__STM32_PIN_DEFAULT,
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__STM32_PIN_DEFAULT,
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__STM32_PIN_DEFAULT,
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__STM32_PIN(15, C, 0),
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__STM32_PIN(16, C, 1),
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__STM32_PIN(17, C, 2),
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__STM32_PIN(18, C, 3),
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__STM32_PIN_DEFAULT,
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__STM32_PIN_DEFAULT,
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__STM32_PIN_DEFAULT,
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__STM32_PIN_DEFAULT,
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__STM32_PIN(23, A, 0),
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__STM32_PIN(24, A, 1),
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__STM32_PIN(25, A, 2),
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__STM32_PIN(26, A, 3),
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__STM32_PIN_DEFAULT,
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__STM32_PIN_DEFAULT,
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__STM32_PIN(29, A, 4),
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__STM32_PIN(30, A, 5),
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__STM32_PIN(31, A, 6),
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__STM32_PIN(32, A, 7),
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__STM32_PIN(33, C, 4),
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__STM32_PIN(34, C, 5),
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__STM32_PIN(35, B, 0),
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__STM32_PIN(36, B, 1),
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__STM32_PIN(37, B, 2),
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__STM32_PIN(38, E, 7),
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__STM32_PIN(39, E, 8),
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__STM32_PIN(40, E, 9),
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__STM32_PIN(41, E, 10),
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__STM32_PIN(42, E, 11),
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__STM32_PIN(43, E, 12),
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__STM32_PIN(44, E, 13),
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__STM32_PIN(45, E, 14),
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__STM32_PIN(46, E, 15),
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__STM32_PIN(47, B, 10),
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__STM32_PIN(48, B, 11),
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__STM32_PIN_DEFAULT,
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__STM32_PIN_DEFAULT,
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__STM32_PIN(51, B, 12),
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__STM32_PIN(52, B, 13),
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__STM32_PIN(53, B, 14),
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__STM32_PIN(54, B, 15),
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__STM32_PIN(55, D, 8),
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__STM32_PIN(56, D, 9),
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__STM32_PIN(57, D, 10),
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__STM32_PIN(58, D, 11),
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__STM32_PIN(59, D, 12),
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__STM32_PIN(60, D, 13),
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__STM32_PIN(61, D, 14),
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__STM32_PIN(62, D, 15),
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__STM32_PIN(63, C, 6),
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__STM32_PIN(64, C, 7),
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__STM32_PIN(65, C, 8),
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__STM32_PIN(66, C, 9),
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__STM32_PIN(67, A, 8),
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__STM32_PIN(68, A, 9),
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__STM32_PIN(69, A, 10),
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__STM32_PIN(70, A, 11),
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__STM32_PIN(71, A, 12),
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__STM32_PIN(72, A, 13),
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__STM32_PIN_DEFAULT,
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__STM32_PIN_DEFAULT,
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__STM32_PIN_DEFAULT,
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__STM32_PIN(76, A, 14),
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__STM32_PIN(77, A, 15),
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__STM32_PIN(78, C, 10),
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__STM32_PIN(79, C, 11),
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__STM32_PIN(80, C, 12),
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__STM32_PIN(81, D, 0),
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__STM32_PIN(82, D, 1),
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__STM32_PIN(83, D, 2),
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__STM32_PIN(84, D, 3),
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__STM32_PIN(85, D, 4),
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__STM32_PIN(86, D, 5),
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__STM32_PIN(87, D, 6),
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__STM32_PIN(88, D, 7),
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__STM32_PIN(89, B, 3),
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__STM32_PIN(90, B, 4),
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__STM32_PIN(91, B, 5),
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__STM32_PIN(92, B, 6),
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__STM32_PIN(93, B, 7),
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__STM32_PIN_DEFAULT,
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__STM32_PIN(95, B, 8),
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__STM32_PIN(96, B, 9),
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__STM32_PIN(97, E, 0),
|
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__STM32_PIN(98, E, 1),
|
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__STM32_PIN_DEFAULT,
|
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__STM32_PIN_DEFAULT,
|
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#endif
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#if (STM32F10X_PIN_NUMBERS == 144)
|
|
__STM32_PIN_DEFAULT,
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__STM32_PIN(1, E, 2),
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__STM32_PIN(2, E, 3),
|
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__STM32_PIN(3, E, 4),
|
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__STM32_PIN(4, E, 5),
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__STM32_PIN(5, E, 6),
|
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__STM32_PIN_DEFAULT,
|
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__STM32_PIN(7, C, 13),
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__STM32_PIN(8, C, 14),
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__STM32_PIN(9, C, 15),
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__STM32_PIN(10, F, 0),
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__STM32_PIN(11, F, 1),
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__STM32_PIN(12, F, 2),
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__STM32_PIN(13, F, 3),
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__STM32_PIN(14, F, 4),
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__STM32_PIN(15, F, 5),
|
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__STM32_PIN_DEFAULT,
|
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__STM32_PIN_DEFAULT,
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__STM32_PIN(18, F, 6),
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__STM32_PIN(19, F, 7),
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__STM32_PIN(20, F, 8),
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__STM32_PIN(21, F, 9),
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__STM32_PIN(22, F, 10),
|
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__STM32_PIN_DEFAULT,
|
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__STM32_PIN_DEFAULT,
|
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__STM32_PIN_DEFAULT,
|
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__STM32_PIN(26, C, 0),
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__STM32_PIN(27, C, 1),
|
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__STM32_PIN(28, C, 2),
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__STM32_PIN(29, C, 3),
|
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__STM32_PIN_DEFAULT,
|
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__STM32_PIN_DEFAULT,
|
|
__STM32_PIN_DEFAULT,
|
|
__STM32_PIN_DEFAULT,
|
|
__STM32_PIN(34, A, 0),
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__STM32_PIN(35, A, 1),
|
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__STM32_PIN(36, A, 2),
|
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__STM32_PIN(37, A, 3),
|
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__STM32_PIN_DEFAULT,
|
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__STM32_PIN_DEFAULT,
|
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__STM32_PIN(40, A, 4),
|
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__STM32_PIN(41, A, 5),
|
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__STM32_PIN(42, A, 6),
|
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__STM32_PIN(43, A, 7),
|
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__STM32_PIN(44, C, 4),
|
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__STM32_PIN(45, C, 5),
|
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__STM32_PIN(46, B, 0),
|
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__STM32_PIN(47, B, 1),
|
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__STM32_PIN(48, B, 2),
|
|
__STM32_PIN(49, F, 11),
|
|
__STM32_PIN(50, F, 12),
|
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__STM32_PIN_DEFAULT,
|
|
__STM32_PIN_DEFAULT,
|
|
__STM32_PIN(53, F, 13),
|
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__STM32_PIN(54, F, 14),
|
|
__STM32_PIN(55, F, 15),
|
|
__STM32_PIN(56, G, 0),
|
|
__STM32_PIN(57, G, 1),
|
|
__STM32_PIN(58, E, 7),
|
|
__STM32_PIN(59, E, 8),
|
|
__STM32_PIN(60, E, 9),
|
|
__STM32_PIN_DEFAULT,
|
|
__STM32_PIN_DEFAULT,
|
|
__STM32_PIN(63, E, 10),
|
|
__STM32_PIN(64, E, 11),
|
|
__STM32_PIN(65, E, 12),
|
|
__STM32_PIN(66, E, 13),
|
|
__STM32_PIN(67, E, 14),
|
|
__STM32_PIN(68, E, 15),
|
|
__STM32_PIN(69, B, 10),
|
|
__STM32_PIN(70, B, 11),
|
|
__STM32_PIN_DEFAULT,
|
|
__STM32_PIN_DEFAULT,
|
|
__STM32_PIN(73, B, 12),
|
|
__STM32_PIN(74, B, 13),
|
|
__STM32_PIN(75, B, 14),
|
|
__STM32_PIN(76, B, 15),
|
|
__STM32_PIN(77, D, 8),
|
|
__STM32_PIN(78, D, 9),
|
|
__STM32_PIN(79, D, 10),
|
|
__STM32_PIN(80, D, 11),
|
|
__STM32_PIN(81, D, 12),
|
|
__STM32_PIN(82, D, 13),
|
|
__STM32_PIN_DEFAULT,
|
|
__STM32_PIN_DEFAULT,
|
|
__STM32_PIN(85, D, 14),
|
|
__STM32_PIN(86, D, 15),
|
|
__STM32_PIN(87, G, 2),
|
|
__STM32_PIN(88, G, 3),
|
|
__STM32_PIN(89, G, 4),
|
|
__STM32_PIN(90, G, 5),
|
|
__STM32_PIN(91, G, 6),
|
|
__STM32_PIN(92, G, 7),
|
|
__STM32_PIN(93, G, 8),
|
|
__STM32_PIN_DEFAULT,
|
|
__STM32_PIN_DEFAULT,
|
|
__STM32_PIN(96, C, 6),
|
|
__STM32_PIN(97, C, 7),
|
|
__STM32_PIN(98, C, 8),
|
|
__STM32_PIN(99, C, 9),
|
|
__STM32_PIN(100, A, 8),
|
|
__STM32_PIN(101, A, 9),
|
|
__STM32_PIN(102, A, 10),
|
|
__STM32_PIN(103, A, 11),
|
|
__STM32_PIN(104, A, 12),
|
|
__STM32_PIN(105, A, 13),
|
|
__STM32_PIN_DEFAULT,
|
|
__STM32_PIN_DEFAULT,
|
|
__STM32_PIN_DEFAULT,
|
|
__STM32_PIN(109, A, 14),
|
|
__STM32_PIN(110, A, 15),
|
|
__STM32_PIN(111, C, 10),
|
|
__STM32_PIN(112, C, 11),
|
|
__STM32_PIN(113, C, 12),
|
|
__STM32_PIN(114, D, 0),
|
|
__STM32_PIN(115, D, 1),
|
|
__STM32_PIN(116, D, 2),
|
|
__STM32_PIN(117, D, 3),
|
|
__STM32_PIN(118, D, 4),
|
|
__STM32_PIN(119, D, 5),
|
|
__STM32_PIN_DEFAULT,
|
|
__STM32_PIN_DEFAULT,
|
|
__STM32_PIN(122, D, 6),
|
|
__STM32_PIN(123, D, 7),
|
|
__STM32_PIN(124, G, 9),
|
|
__STM32_PIN(125, G, 10),
|
|
__STM32_PIN(126, G, 11),
|
|
__STM32_PIN(127, G, 12),
|
|
__STM32_PIN(128, G, 13),
|
|
__STM32_PIN(129, G, 14),
|
|
__STM32_PIN_DEFAULT,
|
|
__STM32_PIN_DEFAULT,
|
|
__STM32_PIN(132, G, 15),
|
|
__STM32_PIN(133, B, 3),
|
|
__STM32_PIN(134, B, 4),
|
|
__STM32_PIN(135, B, 5),
|
|
__STM32_PIN(136, B, 6),
|
|
__STM32_PIN(137, B, 7),
|
|
__STM32_PIN_DEFAULT,
|
|
__STM32_PIN(139, B, 8),
|
|
__STM32_PIN(140, B, 9),
|
|
__STM32_PIN(141, E, 0),
|
|
__STM32_PIN(142, E, 1),
|
|
__STM32_PIN_DEFAULT,
|
|
__STM32_PIN_DEFAULT,
|
|
#endif
|
|
};
|
|
|
|
struct pin_irq_map
|
|
{
|
|
rt_uint16_t pinbit;
|
|
IRQn_Type irqno;
|
|
};
|
|
static const struct pin_irq_map pin_irq_map[] =
|
|
{
|
|
{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},
|
|
};
|
|
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},
|
|
};
|
|
|
|
#define ITEM_NUM(items) sizeof(items) / sizeof(items[0])
|
|
static rt_uint16_t get_pin(uint8_t pin)
|
|
{
|
|
rt_uint16_t gpio_pin = __STM32_PIN_DEFAULT;
|
|
if (pin < ITEM_NUM(pins))
|
|
{
|
|
gpio_pin = pins[pin];
|
|
}
|
|
return gpio_pin;
|
|
};
|
|
|
|
void stm32_pin_write(rt_device_t dev, rt_base_t pin, rt_base_t value)
|
|
{
|
|
rt_uint16_t gpio_pin;
|
|
gpio_pin = get_pin(pin);
|
|
if (get_st_gpio(gpio_pin) == RT_NULL)
|
|
{
|
|
return;
|
|
}
|
|
HAL_GPIO_WritePin(get_st_gpio(gpio_pin), get_st_pin(gpio_pin), (GPIO_PinState)value);
|
|
}
|
|
|
|
int stm32_pin_read(rt_device_t dev, rt_base_t pin)
|
|
{
|
|
rt_uint16_t gpio_pin;
|
|
gpio_pin = get_pin(pin);
|
|
if (get_st_gpio(gpio_pin) == RT_NULL)
|
|
{
|
|
return PIN_LOW;
|
|
}
|
|
return HAL_GPIO_ReadPin(get_st_gpio(gpio_pin), get_st_pin(gpio_pin));
|
|
}
|
|
|
|
void stm32_pin_mode(rt_device_t dev, rt_base_t pin, rt_base_t mode)
|
|
{
|
|
rt_uint16_t gpio_pin;
|
|
GPIO_InitTypeDef GPIO_InitStruct;
|
|
gpio_pin = get_pin(pin);
|
|
if (get_st_gpio(gpio_pin) == RT_NULL)
|
|
{
|
|
return;
|
|
}
|
|
/* GPIO Periph clock enable */
|
|
drv_clock_enable(gpio_pin);
|
|
/* Configure GPIO_InitStructure */
|
|
GPIO_InitStruct.Pin = get_st_pin(gpio_pin);
|
|
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
|
|
GPIO_InitStruct.Pull = GPIO_NOPULL;
|
|
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
|
|
if (mode == PIN_MODE_INPUT)
|
|
{
|
|
/* input setting: not pull. */
|
|
GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
|
|
}
|
|
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;
|
|
}
|
|
HAL_GPIO_Init(get_st_gpio(gpio_pin), &GPIO_InitStruct);
|
|
}
|
|
|
|
rt_inline const struct pin_irq_map *get_pin_irq_map(rt_uint16_t gpio_pin)
|
|
{
|
|
rt_int32_t mapindex = gpio_pin & 0x00FF;
|
|
if (mapindex < 0 || mapindex >= ITEM_NUM(pin_irq_map))
|
|
{
|
|
return RT_NULL;
|
|
}
|
|
return &pin_irq_map[mapindex];
|
|
};
|
|
|
|
rt_err_t stm32_pin_attach_irq(struct rt_device *device, rt_int32_t pin,
|
|
rt_uint32_t mode, void (*hdr)(void *args), void *args)
|
|
{
|
|
rt_uint16_t gpio_pin;
|
|
rt_base_t level;
|
|
rt_int32_t irqindex = -1;
|
|
gpio_pin = get_pin(pin);
|
|
if (get_st_gpio(gpio_pin) == RT_NULL)
|
|
{
|
|
return RT_ENOSYS;
|
|
}
|
|
irqindex = gpio_pin & 0x00FF;
|
|
if (irqindex < 0 || irqindex >= 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;
|
|
}
|
|
|
|
rt_err_t stm32_pin_detach_irq(struct rt_device *device, rt_int32_t pin)
|
|
{
|
|
rt_uint16_t gpio_pin;
|
|
rt_base_t level;
|
|
rt_int32_t irqindex = -1;
|
|
gpio_pin = get_pin(pin);
|
|
if (get_st_gpio(gpio_pin) == RT_NULL)
|
|
{
|
|
return RT_ENOSYS;
|
|
}
|
|
irqindex = gpio_pin & 0x00FF;
|
|
if (irqindex < 0 || irqindex >= 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;
|
|
}
|
|
|
|
rt_err_t stm32_pin_irq_enable(struct rt_device *device, rt_base_t pin,
|
|
rt_uint32_t enabled)
|
|
{
|
|
rt_uint16_t gpio_pin;
|
|
const struct pin_irq_map *irqmap;
|
|
rt_base_t level;
|
|
rt_int32_t irqindex = -1;
|
|
GPIO_InitTypeDef GPIO_InitStruct;
|
|
gpio_pin = get_pin(pin);
|
|
if (get_st_gpio(gpio_pin) == RT_NULL)
|
|
{
|
|
return RT_ENOSYS;
|
|
}
|
|
if (enabled == PIN_IRQ_ENABLE)
|
|
{
|
|
irqindex = gpio_pin & 0x00FF;
|
|
if (irqindex < 0 || irqindex >= 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];
|
|
/* GPIO Periph clock enable */
|
|
drv_clock_enable(gpio_pin);
|
|
/* Configure GPIO_InitStructure */
|
|
GPIO_InitStruct.Pin = get_st_pin(gpio_pin);
|
|
GPIO_InitStruct.Pull = GPIO_NOPULL;
|
|
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
|
|
switch (pin_irq_hdr_tab[irqindex].mode)
|
|
{
|
|
case PIN_IRQ_MODE_RISING:
|
|
GPIO_InitStruct.Mode = GPIO_MODE_IT_RISING;
|
|
break;
|
|
case PIN_IRQ_MODE_FALLING:
|
|
GPIO_InitStruct.Mode = GPIO_MODE_IT_FALLING;
|
|
break;
|
|
case PIN_IRQ_MODE_RISING_FALLING:
|
|
GPIO_InitStruct.Mode = GPIO_MODE_IT_RISING_FALLING;
|
|
break;
|
|
}
|
|
HAL_GPIO_Init(get_st_gpio(gpio_pin), &GPIO_InitStruct);
|
|
HAL_NVIC_SetPriority(irqmap->irqno, 5, 0);
|
|
HAL_NVIC_EnableIRQ(irqmap->irqno);
|
|
rt_hw_interrupt_enable(level);
|
|
}
|
|
else if (enabled == PIN_IRQ_DISABLE)
|
|
{
|
|
irqmap = get_pin_irq_map(gpio_pin);
|
|
if (irqmap == RT_NULL)
|
|
{
|
|
return RT_ENOSYS;
|
|
}
|
|
HAL_NVIC_DisableIRQ(irqmap->irqno);
|
|
}
|
|
else
|
|
{
|
|
return RT_ENOSYS;
|
|
}
|
|
return RT_EOK;
|
|
}
|
|
|
|
const static struct rt_pin_ops _stm32_pin_ops =
|
|
{
|
|
stm32_pin_mode,
|
|
stm32_pin_write,
|
|
stm32_pin_read,
|
|
stm32_pin_attach_irq,
|
|
stm32_pin_detach_irq,
|
|
stm32_pin_irq_enable,
|
|
};
|
|
|
|
int rt_hw_pin_init(void)
|
|
{
|
|
int result;
|
|
result = rt_device_pin_register("pin", &_stm32_pin_ops, RT_NULL);
|
|
return result;
|
|
}
|
|
INIT_BOARD_EXPORT(rt_hw_pin_init);
|
|
|
|
rt_inline void pin_irq_hdr(uint16_t GPIO_Pin)
|
|
{
|
|
uint16_t irqno;
|
|
for (irqno = 0; irqno < 16; irqno++)
|
|
{
|
|
if ((0x01 << irqno) == GPIO_Pin)
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
if (irqno == 16)
|
|
return;
|
|
if (pin_irq_hdr_tab[irqno].hdr)
|
|
{
|
|
pin_irq_hdr_tab[irqno].hdr(pin_irq_hdr_tab[irqno].args);
|
|
}
|
|
}
|
|
|
|
void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)
|
|
{
|
|
pin_irq_hdr(GPIO_Pin);
|
|
}
|
|
|
|
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
|