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https://github.com/IcedRooibos/py32f0-template.git
synced 2025-10-31 01:42:04 -07:00
77 lines
2.3 KiB
C
77 lines
2.3 KiB
C
#include "py32f0xx_bsp_button.h"
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GPIO_TypeDef* BUTTON_PORT[BUTTONn] = {USER_BUTTON_GPIO_PORT };
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const uint16_t BUTTON_PIN[BUTTONn] = {USER_BUTTON_PIN };
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const uint8_t BUTTON_IRQn[BUTTONn] = {USER_BUTTON_EXTI_IRQn };
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/**
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* @brief Configures Button GPIO and EXTI Line.
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* @param Button: Specifies the Button to be configured.
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* This parameter should be: BUTTON_USER
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* @param ButtonMode: Specifies Button mode.
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* This parameter can be one of following parameters:
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* @arg BUTTON_MODE_GPIO: Button will be used as simple IO
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* @arg BUTTON_MODE_EXTI: Button will be connected to EXTI line with interrupt
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* generation capability
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* @retval None
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*/
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void BSP_PB_Init(Button_TypeDef Button, ButtonMode_TypeDef ButtonMode)
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{
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GPIO_InitTypeDef gpioinitstruct;
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/* Enable the BUTTON Clock */
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BUTTONx_GPIO_CLK_ENABLE(Button);
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gpioinitstruct.Pin = BUTTON_PIN[Button];
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gpioinitstruct.Pull = GPIO_NOPULL;
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gpioinitstruct.Speed = GPIO_SPEED_FREQ_MEDIUM;
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if(ButtonMode == BUTTON_MODE_GPIO)
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{
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/* Configure Button pin as input */
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gpioinitstruct.Mode = GPIO_MODE_INPUT;
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HAL_GPIO_Init(BUTTON_PORT[Button], &gpioinitstruct);
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}
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if(ButtonMode == BUTTON_MODE_EXTI)
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{
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/* Configure Button pin as input with External interrupt */
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gpioinitstruct.Mode = GPIO_MODE_IT_FALLING;
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HAL_GPIO_Init(BUTTON_PORT[Button], &gpioinitstruct);
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/* Enable and set Button EXTI Interrupt to the lowest priority */
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HAL_NVIC_SetPriority((IRQn_Type)(BUTTON_IRQn[Button]), 0x0F, 0);
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HAL_NVIC_EnableIRQ((IRQn_Type)(BUTTON_IRQn[Button]));
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}
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}
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/**
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* @brief Push Button DeInit.
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* @param Button: Button to be configured
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* This parameter should be: BUTTON_USER
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* @note PB DeInit does not disable the GPIO clock
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* @retval None
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*/
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void BSP_PB_DeInit(Button_TypeDef Button)
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{
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GPIO_InitTypeDef gpio_init_structure;
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gpio_init_structure.Pin = BUTTON_PIN[Button];
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HAL_NVIC_DisableIRQ((IRQn_Type)(BUTTON_IRQn[Button]));
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HAL_GPIO_DeInit(BUTTON_PORT[Button], gpio_init_structure.Pin);
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}
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/**
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* @brief Returns the selected Button state.
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* @param Button: Specifies the Button to be checked.
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* This parameter should be: BUTTON_USER
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* @retval Button state.
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*/
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uint32_t BSP_PB_GetState(Button_TypeDef Button)
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{
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return HAL_GPIO_ReadPin(BUTTON_PORT[Button], BUTTON_PIN[Button]);
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}
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