mirror of
https://github.com/IcedRooibos/py32f0-template.git
synced 2025-10-29 00:42:06 -07:00
77 lines
2.3 KiB
C
77 lines
2.3 KiB
C
#include "py32f0xx_bsp_button.h"
|
|
|
|
|
|
GPIO_TypeDef* BUTTON_PORT[BUTTONn] = {USER_BUTTON_GPIO_PORT };
|
|
const uint16_t BUTTON_PIN[BUTTONn] = {USER_BUTTON_PIN };
|
|
const uint8_t BUTTON_IRQn[BUTTONn] = {USER_BUTTON_EXTI_IRQn };
|
|
|
|
|
|
/**
|
|
* @brief Configures Button GPIO and EXTI Line.
|
|
* @param Button: Specifies the Button to be configured.
|
|
* This parameter should be: BUTTON_USER
|
|
* @param ButtonMode: Specifies Button mode.
|
|
* This parameter can be one of following parameters:
|
|
* @arg BUTTON_MODE_GPIO: Button will be used as simple IO
|
|
* @arg BUTTON_MODE_EXTI: Button will be connected to EXTI line with interrupt
|
|
* generation capability
|
|
* @retval None
|
|
*/
|
|
void BSP_PB_Init(Button_TypeDef Button, ButtonMode_TypeDef ButtonMode)
|
|
{
|
|
GPIO_InitTypeDef gpioinitstruct;
|
|
|
|
/* Enable the BUTTON Clock */
|
|
BUTTONx_GPIO_CLK_ENABLE(Button);
|
|
|
|
gpioinitstruct.Pin = BUTTON_PIN[Button];
|
|
gpioinitstruct.Pull = GPIO_NOPULL;
|
|
gpioinitstruct.Speed = GPIO_SPEED_FREQ_MEDIUM;
|
|
|
|
if(ButtonMode == BUTTON_MODE_GPIO)
|
|
{
|
|
/* Configure Button pin as input */
|
|
gpioinitstruct.Mode = GPIO_MODE_INPUT;
|
|
|
|
HAL_GPIO_Init(BUTTON_PORT[Button], &gpioinitstruct);
|
|
}
|
|
|
|
if(ButtonMode == BUTTON_MODE_EXTI)
|
|
{
|
|
/* Configure Button pin as input with External interrupt */
|
|
gpioinitstruct.Mode = GPIO_MODE_IT_FALLING;
|
|
HAL_GPIO_Init(BUTTON_PORT[Button], &gpioinitstruct);
|
|
|
|
/* Enable and set Button EXTI Interrupt to the lowest priority */
|
|
HAL_NVIC_SetPriority((IRQn_Type)(BUTTON_IRQn[Button]), 0x0F, 0);
|
|
HAL_NVIC_EnableIRQ((IRQn_Type)(BUTTON_IRQn[Button]));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @brief Push Button DeInit.
|
|
* @param Button: Button to be configured
|
|
* This parameter should be: BUTTON_USER
|
|
* @note PB DeInit does not disable the GPIO clock
|
|
* @retval None
|
|
*/
|
|
void BSP_PB_DeInit(Button_TypeDef Button)
|
|
{
|
|
GPIO_InitTypeDef gpio_init_structure;
|
|
|
|
gpio_init_structure.Pin = BUTTON_PIN[Button];
|
|
HAL_NVIC_DisableIRQ((IRQn_Type)(BUTTON_IRQn[Button]));
|
|
HAL_GPIO_DeInit(BUTTON_PORT[Button], gpio_init_structure.Pin);
|
|
}
|
|
|
|
/**
|
|
* @brief Returns the selected Button state.
|
|
* @param Button: Specifies the Button to be checked.
|
|
* This parameter should be: BUTTON_USER
|
|
* @retval Button state.
|
|
*/
|
|
uint32_t BSP_PB_GetState(Button_TypeDef Button)
|
|
{
|
|
return HAL_GPIO_ReadPin(BUTTON_PORT[Button], BUTTON_PIN[Button]);
|
|
}
|