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/**
******************************************************************************
* @file stm32h747i_discovery.c
* @author MCD Application Team
* @brief This file provides a set of firmware functions to manage
* LEDs
* push-buttons
* COM ports
* available on STM32H747I-DISCO board(MB1248) from STMicroelectronics.
******************************************************************************
* @attention
*
* Copyright (c) 2018 STMicroelectronics.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "stm32h747i_discovery.h"
/** @addtogroup BSP
* @{
*/
/** @addtogroup STM32H747I_DISCO
* @{
*/
/** @defgroup STM32H747I_DISCO_LOW_LEVEL LOW LEVEL
* @{
*/
/** @defgroup STM32H747I_DISCO_LOW_LEVEL_Private_TypesDefinitions Private Types Definitions
* @{
*/
typedef void (* BSP_EXTI_LineCallback) (void);
/**
* @}
*/
/** @defgroup STM32H747I_DISCO_LOW_LEVEL_Private_FunctionPrototypes Private Function Prototypes
* @{
*/
static void BUTTON_WAKEUP_EXTI_Callback(void);
#if (USE_BSP_COM_FEATURE > 0)
static void USART1_MspInit(UART_HandleTypeDef *huart);
static void USART1_MspDeInit(UART_HandleTypeDef *huart);
#endif
static void JOY1_UP_EXTI_Callback(void);
static void JOY1_DOWN_EXTI_Callback(void);
static void JOY1_LEFT_EXTI_Callback(void);
static void JOY1_RIGHT_EXTI_Callback(void);
static void JOY1_SEL_EXTI_Callback(void);
/**
* @}
*/
/** @defgroup STM32H747I_DISCO_LOW_LEVEL_Exported_Variables Exported Variables
* @{
*/
EXTI_HandleTypeDef hpb_exti[BUTTONn];
#if (USE_BSP_COM_FEATURE > 0)
UART_HandleTypeDef hcom_uart[COMn];
USART_TypeDef* COM_USART[COMn] = {COM1_UART};
#endif
/**
* @}
*/
/** @defgroup STM32H747I_DISCO_LOW_LEVEL_Private_Variables Private Variables
* @{
*/
static GPIO_TypeDef* LED_PORT[LEDn] = { LED1_GPIO_PORT,
LED2_GPIO_PORT,
LED3_GPIO_PORT,
LED4_GPIO_PORT};
static const uint32_t LED_PIN[LEDn] = { LED1_PIN,
LED2_PIN,
LED3_PIN,
LED4_PIN};
static GPIO_TypeDef* BUTTON_PORT[BUTTONn] = {BUTTON_WAKEUP_GPIO_PORT};
static const uint16_t BUTTON_PIN[BUTTONn] = {BUTTON_WAKEUP_PIN};
static const IRQn_Type BUTTON_IRQn[BUTTONn] = {BUTTON_WAKEUP_EXTI_IRQn};
#if (USE_COM_LOG > 0)
static COM_TypeDef COM_ActiveLogPort = COM1;
#endif
#if (USE_BSP_COM_FEATURE > 0)
#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
static uint32_t IsComMspCbValid[COMn] = {0};
#endif
#endif
static uint32_t JoyPinsMask;
static GPIO_TypeDef* JOY1_PORT[JOY_KEY_NUMBER] = {JOY1_SEL_GPIO_PORT,
JOY1_DOWN_GPIO_PORT,
JOY1_LEFT_GPIO_PORT,
JOY1_RIGHT_GPIO_PORT,
JOY1_UP_GPIO_PORT
};
static const uint16_t JOY1_PIN[JOY_KEY_NUMBER] = {JOY1_SEL_PIN,
JOY1_DOWN_PIN,
JOY1_LEFT_PIN,
JOY1_RIGHT_PIN,
JOY1_UP_PIN
};
static const IRQn_Type JOY1_IRQn[JOY_KEY_NUMBER] = {JOY1_SEL_EXTI_IRQn,
JOY1_DOWN_EXTI_IRQn,
JOY1_LEFT_EXTI_IRQn,
JOY1_RIGHT_EXTI_IRQn,
JOY1_UP_EXTI_IRQn
};
static EXTI_HandleTypeDef hjoy_exti[JOY_KEY_NUMBER];
/**
* @}
*/
/** @defgroup STM32H747I_DISCO_LOW_LEVEL_Exported_Functions Exported Functions
* @{
*/
/**
* @brief This method returns the STM32H747I DISCO BSP Driver revision
* @retval version: 0xXYZR (8bits for each decimal, R for RC)
*/
int32_t BSP_GetVersion(void)
{
return (int32_t)STM32H747I_DISCO_BSP_VERSION;
}
/**
* @brief This method returns the board name
* @retval pointer to the board name string
*/
const uint8_t* BSP_GetBoardName(void)
{
return (uint8_t*)STM32H747I_DISCO_BSP_BOARD_NAME;
}
/**
* @brief This method returns the board ID
* @retval pointer to the board name string
*/
const uint8_t* BSP_GetBoardID(void)
{
return (uint8_t*)STM32H747I_DISCO_BSP_BOARD_ID;
}
/**
* @brief Configures LED on GPIO.
* @param Led LED to be configured.
* This parameter can be one of the following values:
* @arg LED1
* @arg LED2
* @arg LED3
* @arg LED4
* @retval BSP status
*/
int32_t BSP_LED_Init(Led_TypeDef Led)
{
int32_t ret = BSP_ERROR_NONE;
GPIO_InitTypeDef GPIO_InitStruct;
/* Enable the GPIO_LED clock */
LEDx_GPIO_CLK_ENABLE();
/* Configure the GPIO_LED pin */
GPIO_InitStruct.Pin = LED_PIN[Led];
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
HAL_GPIO_Init(LED_PORT[Led], &GPIO_InitStruct);
/* By default, turn off LED */
HAL_GPIO_WritePin(LED_PORT[Led], LED_PIN[Led], GPIO_PIN_SET);
return ret;
}
/**
* @brief DeInit LEDs.
* @param Led LED to be configured.
* This parameter can be one of the following values:
* @arg LED1
* @arg LED2
* @arg LED3
* @arg LED4
* @retval BSP status
*/
int32_t BSP_LED_DeInit(Led_TypeDef Led)
{
int32_t ret = BSP_ERROR_NONE;
GPIO_InitTypeDef gpio_init_structure;
/* DeInit the GPIO_LED pin */
gpio_init_structure.Pin = LED_PIN [Led];
/* Turn off LED */
HAL_GPIO_WritePin (LED_PORT [Led], (uint16_t)LED_PIN[Led], GPIO_PIN_SET);
HAL_GPIO_DeInit (LED_PORT [Led], gpio_init_structure.Pin);
return ret;
}
/**
* @brief Turns selected LED On.
* @param Led LED to be set on
* This parameter can be one of the following values:
* @arg LED1
* @arg LED2
* @arg LED3
* @arg LED4
* @retval BSP status
*/
int32_t BSP_LED_On(Led_TypeDef Led)
{
int32_t ret = BSP_ERROR_NONE;
HAL_GPIO_WritePin (LED_PORT [Led], (uint16_t)LED_PIN [Led], GPIO_PIN_RESET);
return ret;
}
/**
* @brief Turns selected LED Off.
* @param Led LED to be set off
* This parameter can be one of the following values:
* @arg LED1
* @arg LED2
* @arg LED3
* @arg LED4
* @retval BSP status
*/
int32_t BSP_LED_Off(Led_TypeDef Led)
{
int32_t ret = BSP_ERROR_NONE;
HAL_GPIO_WritePin (LED_PORT [Led], (uint16_t)LED_PIN [Led], GPIO_PIN_SET);
return ret;
}
/**
* @brief Toggles the selected LED.
* @param Led LED to be toggled
* This parameter can be one of the following values:
* @arg LED1
* @arg LED2
* @arg LED3
* @arg LED4
* @retval BSP status
*/
int32_t BSP_LED_Toggle(Led_TypeDef Led)
{
int32_t ret = BSP_ERROR_NONE;
HAL_GPIO_TogglePin(LED_PORT[Led], (uint16_t)LED_PIN[Led]);
return ret;
}
/**
* @brief Get the selected LED state.
* @param Led LED to be get its state
* This parameter can be one of the following values:
* @arg LED1
* @arg LED2
* @arg LED3
* @arg LED4
* @retval LED status
*/
int32_t BSP_LED_GetState (Led_TypeDef Led)
{
int32_t ret = BSP_ERROR_NONE;
ret = (int32_t)HAL_GPIO_ReadPin (LED_PORT [Led], (uint16_t)LED_PIN [Led]);
return ret;
}
/**
* @brief Configures button GPIO and EXTI Line.
* @param Button Button to be configured
* This parameter can be one of the following values:
* @arg BUTTON_WAKEUP: Wakeup Push Button
* @param ButtonMode Button mode
* This parameter can be one of the following values:
* @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 BSP status
*/
int32_t BSP_PB_Init(Button_TypeDef Button, ButtonMode_TypeDef ButtonMode)
{
GPIO_InitTypeDef gpio_init_structure;
static BSP_EXTI_LineCallback ButtonCallback[BUTTONn] ={BUTTON_WAKEUP_EXTI_Callback};
static uint32_t BSP_BUTTON_PRIO [BUTTONn] ={BSP_BUTTON_WAKEUP_IT_PRIORITY};
static const uint32_t BUTTON_EXTI_LINE[BUTTONn] ={BUTTON_WAKEUP_EXTI_LINE};
/* Enable the BUTTON clock*/
BUTTON_WAKEUP_GPIO_CLK_ENABLE();
gpio_init_structure.Pin = BUTTON_PIN [Button];
gpio_init_structure.Pull = GPIO_NOPULL;
gpio_init_structure.Speed = GPIO_SPEED_FREQ_HIGH;
if(ButtonMode == BUTTON_MODE_GPIO)
{
/* Configure Button pin as input */
gpio_init_structure.Mode = GPIO_MODE_INPUT;
HAL_GPIO_Init(BUTTON_PORT [Button], &gpio_init_structure);
}
else /* (ButtonMode == BUTTON_MODE_EXTI) */
{
/* Configure Button pin as input with External interrupt */
gpio_init_structure.Mode = GPIO_MODE_IT_RISING;
HAL_GPIO_Init(BUTTON_PORT[Button], &gpio_init_structure);
(void)HAL_EXTI_GetHandle(&hpb_exti[Button], BUTTON_EXTI_LINE[Button]);
(void)HAL_EXTI_RegisterCallback(&hpb_exti[Button], HAL_EXTI_COMMON_CB_ID, ButtonCallback[Button]);
/* Enable and set Button EXTI Interrupt to the lowest priority */
HAL_NVIC_SetPriority((BUTTON_IRQn[Button]), BSP_BUTTON_PRIO[Button], 0x00);
HAL_NVIC_EnableIRQ((BUTTON_IRQn[Button]));
}
return BSP_ERROR_NONE;
}
/**
* @brief Push Button DeInit.
* @param Button Button to be configured
* This parameter can be one of the following values:
* @arg BUTTON_WAKEUP: Wakeup Push Button
* @note PB DeInit does not disable the GPIO clock
* @retval BSP status
*/
int32_t 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);
return BSP_ERROR_NONE;
}
/**
* @brief Returns the selected button state.
* @param Button Button to be checked
* This parameter can be one of the following values:
* @arg BUTTON_WAKEUP: Wakeup Push Button
* @retval The Button GPIO pin value
*/
int32_t BSP_PB_GetState(Button_TypeDef Button)
{
return HAL_GPIO_ReadPin(BUTTON_PORT[Button], BUTTON_PIN[Button]);
}
/**
* @brief This function handles Push-Button interrupt requests.
* @param Button Specifies the pin connected EXTI line
* @retval None
*/
void BSP_PB_IRQHandler(Button_TypeDef Button)
{
HAL_EXTI_IRQHandler(&hpb_exti[Button]);
}
/**
* @brief KEY EXTI line detection callbacks.
* @retval None
*/
static void BUTTON_WAKEUP_EXTI_Callback(void)
{
BSP_PB_Callback(BUTTON_WAKEUP);
}
/**
* @brief BSP Push Button callback
* @param Button Specifies the pin connected EXTI line
* @retval None.
*/
__weak void BSP_PB_Callback(Button_TypeDef Button)
{
/* Prevent unused argument(s) compilation warning */
UNUSED(Button);
/* This function should be implemented by the user application.
It is called into this driver when an event on Button is triggered. */
}
#if (USE_BSP_COM_FEATURE > 0)
/**
* @brief Configures COM port.
* @param COM COM port to be configured.
* This parameter can be COM1
* @param COM_Init Pointer to a UART_HandleTypeDef structure that contains the
* configuration information for the specified USART peripheral.
* @retval BSP status
*/
int32_t BSP_COM_Init(COM_TypeDef COM, COM_InitTypeDef *COM_Init)
{
int32_t ret = BSP_ERROR_NONE;
if(COM >= COMn)
{
ret = BSP_ERROR_WRONG_PARAM;
}
else
{
/* Init the UART Msp */
#if (USE_HAL_UART_REGISTER_CALLBACKS == 0)
USART1_MspInit(&hcom_uart[COM]);
#else
if(IsComMspCbValid[COM] == 0U)
{
if(BSP_COM_RegisterDefaultMspCallbacks(COM) != BSP_ERROR_NONE)
{
return BSP_ERROR_MSP_FAILURE;
}
}
#endif
if(MX_USART1_Init(&hcom_uart[COM], COM_Init) != HAL_OK)
{
ret = BSP_ERROR_PERIPH_FAILURE;
}
}
return ret;
}
/**
* @brief DeInit COM port.
* @param COM COM port to be configured.
* This parameter can be (COM1)
* @retval BSP status
*/
int32_t BSP_COM_DeInit(COM_TypeDef COM)
{
int32_t ret = BSP_ERROR_NONE;
if(COM >= COMn)
{
ret = BSP_ERROR_WRONG_PARAM;
}
else
{
/* USART configuration */
hcom_uart[COM].Instance = COM_USART[COM];
#if (USE_HAL_UART_REGISTER_CALLBACKS == 0)
USART1_MspDeInit(&hcom_uart[COM]);
#endif /* (USE_HAL_UART_REGISTER_CALLBACKS == 0) */
if(HAL_UART_DeInit(&hcom_uart[COM]) != HAL_OK)
{
ret = BSP_ERROR_PERIPH_FAILURE;
}
}
return ret;
}
/**
* @brief Configures COM1 port.
* @param huart USART handle
* @param COM_Init Pointer to a UART_HandleTypeDef structure that contains the
* configuration information for the specified USART peripheral.
* @retval HAL error code
*/
__weak HAL_StatusTypeDef MX_USART1_Init(UART_HandleTypeDef *huart, MX_UART_InitTypeDef *COM_Init)
{
/* USART configuration */
huart->Instance = COM_USART[COM1];
huart->Init.BaudRate = (uint32_t)COM_Init->BaudRate;
huart->Init.Mode = UART_MODE_TX_RX;
huart->Init.Parity = (uint32_t)COM_Init->Parity;
huart->Init.WordLength = (uint32_t)COM_Init->WordLength;
huart->Init.StopBits = (uint32_t)COM_Init->StopBits;
huart->Init.HwFlowCtl = (uint32_t)COM_Init->HwFlowCtl;
huart->Init.OverSampling = UART_OVERSAMPLING_8;
return HAL_UART_Init(huart);
}
#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
/**
* @brief Register Default COM Msp Callbacks
* @param COM COM port to be configured.
* @retval BSP status
*/
int32_t BSP_COM_RegisterDefaultMspCallbacks(COM_TypeDef COM)
{
int32_t ret = BSP_ERROR_NONE;
if(COM >= COMn)
{
ret = BSP_ERROR_WRONG_PARAM;
}
else
{
__HAL_UART_RESET_HANDLE_STATE(&hcom_uart[COM]);
/* Register default MspInit/MspDeInit Callback */
if(HAL_UART_RegisterCallback(&hcom_uart[COM], HAL_UART_MSPINIT_CB_ID, USART1_MspInit) != HAL_OK)
{
ret = BSP_ERROR_PERIPH_FAILURE;
}
else if(HAL_UART_RegisterCallback(&hcom_uart[COM], HAL_UART_MSPDEINIT_CB_ID, USART1_MspDeInit) != HAL_OK)
{
ret = BSP_ERROR_PERIPH_FAILURE;
}
else
{
IsComMspCbValid[COM] = 1U;
}
}
/* BSP status */
return ret;
}
/**
* @brief Register COM1 Msp Callback registering
* @param COM COM port to be configured.
* @param Callbacks pointer to COM MspInit/MspDeInit callback functions
* @retval BSP status
*/
int32_t BSP_COM_RegisterMspCallbacks(COM_TypeDef COM, BSP_COM_Cb_t *Callback)
{
int32_t ret = BSP_ERROR_NONE;
if(COM >= COMn)
{
ret = BSP_ERROR_WRONG_PARAM;
}
else
{
__HAL_UART_RESET_HANDLE_STATE(&hcom_uart[COM]);
/* Register MspInit/MspDeInit Callbacks */
if(HAL_UART_RegisterCallback(&hcom_uart[COM], HAL_UART_MSPINIT_CB_ID, Callback->pMspInitCb) != HAL_OK)
{
ret = BSP_ERROR_PERIPH_FAILURE;
}
else if(HAL_UART_RegisterCallback(&hcom_uart[COM], HAL_UART_MSPDEINIT_CB_ID, Callback->pMspDeInitCb) != HAL_OK)
{
ret = BSP_ERROR_PERIPH_FAILURE;
}
else
{
IsComMspCbValid[COM] = 1U;
}
}
/* BSP status */
return ret;
}
#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
#if (USE_COM_LOG > 0)
/**
* @brief Select the active COM port.
* @param COM COM port to be activated.
* This parameter can be COM1 or/and COM2
* @retval BSP status
*/
int32_t BSP_COM_SelectLogPort(COM_TypeDef COM)
{
if(COM_ActiveLogPort != COM)
{
COM_ActiveLogPort = COM;
}
return BSP_ERROR_NONE;
}
#ifdef __GNUC__
int __io_putchar (int ch)
#else
int fputc (int ch, FILE *f)
#endif /* __GNUC__ */
{
(void)HAL_UART_Transmit (&hcom_uart [COM_ActiveLogPort], (uint8_t *) &ch, 1, COM_POLL_TIMEOUT);
return ch;
}
#endif /* USE_COM_LOG */
#endif /* USE_BSP_COM_FEATURE */
/**
* @brief Configures joystick GPIO and EXTI modes.
* @param JOY Joystick to be initialized
* @param JoyMode Button mode.
* This parameter can be one of the following values:
* @arg JOY_MODE_GPIO: Joystick pins will be used as simple IOs
* @arg JOY_MODE_EXTI: Joystick pins will be connected to EXTI line
* with interrupt generation capability
* @param JoyPins joystick pins to be initialized
* @retval BSP status
*/
int32_t BSP_JOY_Init(JOY_TypeDef JOY, JOYMode_TypeDef JoyMode, JOYPin_TypeDef JoyPins)
{
int32_t ret = BSP_ERROR_NONE;
uint32_t joykey, key_pressed;
GPIO_InitTypeDef gpio_init_structure;
static BSP_EXTI_LineCallback JoyCallback[JOY_KEY_NUMBER] = {JOY1_SEL_EXTI_Callback,
JOY1_DOWN_EXTI_Callback,
JOY1_LEFT_EXTI_Callback,
JOY1_RIGHT_EXTI_Callback,
JOY1_UP_EXTI_Callback
};
static const uint32_t JOY_EXTI_LINE[JOY_KEY_NUMBER] = {JOY1_SEL_EXTI_LINE,
JOY1_DOWN_EXTI_LINE,
JOY1_LEFT_EXTI_LINE,
JOY1_RIGHT_EXTI_LINE,
JOY1_UP_EXTI_LINE
};
static uint32_t BSP_JOY_PRIO [JOY_KEY_NUMBER] ={BSP_JOY1_SEL_IT_PRIORITY,
BSP_JOY1_DOWN_IT_PRIORITY,
BSP_JOY1_LEFT_IT_PRIORITY,
BSP_JOY1_RIGHT_IT_PRIORITY,
BSP_JOY1_UP_IT_PRIORITY
};
/* Store Joystick pins initialized */
JoyPinsMask |= (uint32_t)JoyPins;
/* Initialized the Joystick. */
for(joykey = 0U; joykey < JOY_KEY_NUMBER ; joykey++)
{
key_pressed = 1UL << joykey;
if((key_pressed & (uint32_t)JoyPins) == key_pressed)
{
if(JOY == JOY1)
{
/* Enable the JOY clock */
if(key_pressed == (uint32_t)JOY_SEL)
{
JOY1_SEL_GPIO_CLK_ENABLE();
}
else if(key_pressed == (uint32_t)JOY_DOWN)
{
JOY1_DOWN_GPIO_CLK_ENABLE();
}
else if(key_pressed == (uint32_t) JOY_LEFT)
{
JOY1_LEFT_GPIO_CLK_ENABLE();
}
else if(key_pressed == (uint32_t) JOY_RIGHT)
{
JOY1_RIGHT_GPIO_CLK_ENABLE();
}
else
{
if(key_pressed == (uint32_t) JOY_UP)
{
JOY1_UP_GPIO_CLK_ENABLE();
}
}
gpio_init_structure.Pin = JOY1_PIN[joykey];
gpio_init_structure.Pull = GPIO_PULLUP;
gpio_init_structure.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
if (JoyMode == JOY_MODE_GPIO)
{
/* Configure Joy pin as input */
gpio_init_structure.Mode = GPIO_MODE_INPUT;
HAL_GPIO_Init(JOY1_PORT[joykey], &gpio_init_structure);
}
else /*(JoyMode == JOY_MODE_EXTI)*/
{
/* Configure Joy pin as input with External interrupt */
gpio_init_structure.Mode = GPIO_MODE_IT_RISING_FALLING;
HAL_GPIO_Init(JOY1_PORT[joykey], &gpio_init_structure);
(void)HAL_EXTI_GetHandle(&hjoy_exti[joykey], JOY_EXTI_LINE[joykey]);
(void)HAL_EXTI_RegisterCallback(&hjoy_exti[joykey], HAL_EXTI_COMMON_CB_ID, JoyCallback[joykey]);
/* Enable and set Joy EXTI Interrupt to the lowest priority */
HAL_NVIC_SetPriority((IRQn_Type)(JOY1_IRQn[joykey]), BSP_JOY_PRIO[joykey], 0x00);
HAL_NVIC_EnableIRQ((IRQn_Type)(JOY1_IRQn[joykey]));
}
}
}
}
return ret;
}
/**
* @brief DeInit joystick GPIOs.
* @param JOY instance
* @note JOY DeInit does not disable the MFX, just set the MFX pins in Off mode
* @param JoyPins joystick pins to be de-initialized
* @retval BSP status
*/
int32_t BSP_JOY_DeInit(JOY_TypeDef JOY, JOYPin_TypeDef JoyPins)
{
uint32_t joykey, key_pressed;
/* Store Joystick pins initialized */
JoyPinsMask &= (uint32_t)JoyPins;
/* Initialized the Joystick. */
for(joykey = 0U; joykey < JOY_KEY_NUMBER ; joykey++)
{
key_pressed = 1UL << joykey;
if((key_pressed & (uint32_t)JoyPins) == key_pressed)
{
if(JOY == JOY1)
{
/* Disable the JOY clock */
switch(key_pressed)
{
case JOY_SEL:
JOY1_SEL_GPIO_CLK_DISABLE();
break;
case JOY_DOWN:
JOY1_DOWN_GPIO_CLK_DISABLE();
break;
case JOY_LEFT:
JOY1_LEFT_GPIO_CLK_DISABLE();
break;
case JOY_RIGHT:
JOY1_RIGHT_GPIO_CLK_DISABLE();
break;
case JOY_UP:
JOY1_UP_GPIO_CLK_DISABLE();
break;
default:
break;
}
HAL_GPIO_DeInit(JOY1_PORT[joykey], JOY1_PIN[joykey]);
}
}
}
return BSP_ERROR_NONE;
}
/**
* @brief Returns the current joystick status.
* @retval Code of the joystick key pressed
* This code can be one of the following values:
* @arg JOY_NONE
* @arg JOY_SEL
* @arg JOY_DOWN
* @arg JOY_LEFT
* @arg JOY_RIGHT
* @arg JOY_UP
*/
int32_t BSP_JOY_GetState(JOY_TypeDef JOY,uint32_t JoyPin)
{
uint32_t joykey, key_pressed;
for (joykey = 0U; joykey < JOY_KEY_NUMBER ; joykey++)
{
key_pressed = 1UL << joykey;
if((key_pressed & JoyPinsMask) == key_pressed)
{
if(JOY == JOY1)
{
if (HAL_GPIO_ReadPin(JOY1_PORT[joykey], JOY1_PIN[joykey]) != GPIO_PIN_SET)
{
/* Return Code Joystick key pressed */
return (int32_t)key_pressed;
}
}
}
}
/* No Joystick key pressed */
return (int32_t)JOY_NONE;
}
/**
* @brief This function handles JOY keys interrupt request.
* @param JOY Joystick instance
* @param JoyPin Specifies the pin connected EXTI handler
* @retval None
*/
void BSP_JOY_IRQHandler(JOY_TypeDef JOY, JOYPin_TypeDef JoyPin)
{
if(JOY == JOY1)
{
HAL_EXTI_IRQHandler(&hjoy_exti[POSITION_VAL(JoyPin)]);
}
}
/**
* @brief BSP Joystick Callback.
* @param JOY Joystick instance
* @param JoyPin Specifies the pin connected EXTI line
* @retval None.
*/
__weak void BSP_JOY_Callback(JOY_TypeDef JOY, uint32_t JoyPin)
{
/* Prevent unused argument(s) compilation warning */
UNUSED(JOY);
UNUSED(JoyPin);
/* This function should be implemented by the user application.
It is called into this driver when an event on JoyPin is triggered. */
}
/**
* @}
*/
/** @defgroup STM32H747I_DISCO_LOW_LEVEL_Private_Functions Private Functions
* @{
*/
/**
* @brief JOY1 UP EXTI line detection callbacks.
* @retval None
*/
static void JOY1_UP_EXTI_Callback(void)
{
BSP_JOY_Callback(JOY1, JOY_UP);
}
/**
* @brief JOY1 DOWN EXTI line detection callbacks.
* @retval None
*/
static void JOY1_DOWN_EXTI_Callback(void)
{
BSP_JOY_Callback(JOY1, JOY_DOWN);
}
/**
* @brief JOY1 SEL EXTI line detection callbacks.
* @retval None
*/
static void JOY1_SEL_EXTI_Callback(void)
{
BSP_JOY_Callback(JOY1, JOY_SEL);
}
/**
* @brief JOY1 LEFT EXTI line detection callbacks.
* @retval None
*/
static void JOY1_LEFT_EXTI_Callback(void)
{
BSP_JOY_Callback(JOY1, JOY_LEFT);
}
/**
* @brief JOY1 RIGHT EXTI line detection callbacks.
* @retval None
*/
static void JOY1_RIGHT_EXTI_Callback(void)
{
BSP_JOY_Callback(JOY1, JOY_RIGHT);
}
#if (USE_BSP_COM_FEATURE > 0)
/**
* @brief Initializes UART MSP.
* @param huart UART handle
* @retval None
*/
static void USART1_MspInit(UART_HandleTypeDef *huart)
{
GPIO_InitTypeDef gpio_init_structure;
/* Prevent unused argument(s) compilation warning */
UNUSED(huart);
/* Enable GPIO clock */
COM1_TX_GPIO_CLK_ENABLE();
COM1_RX_GPIO_CLK_ENABLE();
/* Enable USART clock */
COM1_CLK_ENABLE();
/* Configure USART Tx as alternate function */
gpio_init_structure.Pin = COM1_TX_PIN;
gpio_init_structure.Mode = GPIO_MODE_AF_PP;
gpio_init_structure.Speed = GPIO_SPEED_FREQ_HIGH;
gpio_init_structure.Pull = GPIO_PULLUP;
gpio_init_structure.Alternate = COM1_TX_AF;
HAL_GPIO_Init(COM1_TX_GPIO_PORT, &gpio_init_structure);
/* Configure USART Rx as alternate function */
gpio_init_structure.Pin = COM1_RX_PIN;
gpio_init_structure.Mode = GPIO_MODE_AF_PP;
gpio_init_structure.Alternate = COM1_RX_AF;
HAL_GPIO_Init(COM1_RX_GPIO_PORT, &gpio_init_structure);
}
/**
* @brief Initialize USART6 Msp part
* @param huart UART handle
* @retval None
*/
static void USART1_MspDeInit(UART_HandleTypeDef *huart)
{
GPIO_InitTypeDef gpio_init_structure;
/* Prevent unused argument(s) compilation warning */
UNUSED(huart);
/* COM GPIO pin configuration */
gpio_init_structure.Pin = COM1_TX_PIN;
HAL_GPIO_DeInit(COM1_TX_GPIO_PORT, gpio_init_structure.Pin);
gpio_init_structure.Pin = COM1_RX_PIN;
HAL_GPIO_DeInit(COM1_RX_GPIO_PORT, gpio_init_structure.Pin);
/* Disable USART clock */
COM1_CLK_DISABLE();
}
#endif /* USE_BSP_COM_FEATURE */
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
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