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STM32CubeWL/Drivers/BSP/STM32WLxx_Nucleo/stm32wlxx_nucleo.c

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/**
******************************************************************************
* @file stm32wlxx_nucleo.c
* @author MCD Application Team
* @brief This file provides set of firmware functions to manage:
* - LEDs and push-buttons available on STM32WLXX-Nucleo
* Kit from STMicroelectronics
******************************************************************************
* @attention
*
* Copyright (c) 2020-2021 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 "stm32wlxx_nucleo.h"
#if defined(__ICCARM__)
#include <LowLevelIOInterface.h>
#endif /* __ICCARM__ */
/** @addtogroup BSP
* @{
*/
/** @addtogroup STM32WLXX_NUCLEO
* @{
*/
/** @addtogroup STM32WLXX_NUCLEO_LOW_LEVEL
* @brief This file provides set of firmware functions to manage LEDs and push-buttons
* on STM32WLXX-Nucleo Kit from STMicroelectronics.
* @{
*/
/** @defgroup STM32WLXX_NUCLEO_LOW_LEVEL_Exported_Variables LOW LEVEL Exported Variables
* @{
*/
EXTI_HandleTypeDef hpb_exti[BUTTONn];
#if (USE_BSP_COM_FEATURE > 0)
UART_HandleTypeDef hcom_uart[COMn];
#endif /* (USE_BSP_COM_FEATURE > 0) */
/**
* @}
*/
/** @defgroup STM32WLXX_NUCLEO_LOW_LEVEL_Private_Defines LOW LEVEL Private Defines
* @{
*/
#if (USE_COM_LOG == 1)
/**
* @brief Redirect console output to COM
*/
#if defined(__ICCARM__)
/* New definition from EWARM V9, compatible with EWARM8 */
int iar_fputc(int ch);
#define PUTCHAR_PROTOTYPE int iar_fputc(int ch)
#elif defined (__CC_ARM) || defined(__ARMCC_VERSION)
/* ARM Compiler 5/6 */
#define PUTCHAR_PROTOTYPE int fputc(int ch, FILE *f)
#elif defined(__GNUC__)
#define PUTCHAR_PROTOTYPE int __io_putchar(int ch)
#endif /* __ICCARM__ */
#endif /* USE_COM_LOG */
/**
* @}
*/
/** @defgroup STM32WLXX_NUCLEO_LOW_LEVEL_Private_TypesDefinitions LOW LEVEL Private Typedef
* @{
*/
typedef void (* BSP_EXTI_LineCallback) (void);
/**
* @}
*/
/** @defgroup STM32WLXX_NUCLEO_LOW_LEVEL_Private_Variables LOW LEVEL Private Variables
* @{
*/
static GPIO_TypeDef* LED_PORT[LEDn] = {LED1_GPIO_PORT, LED2_GPIO_PORT, LED3_GPIO_PORT};
static const uint16_t LED_PIN[LEDn] = {LED1_PIN, LED2_PIN, LED3_PIN};
static GPIO_TypeDef* BUTTON_PORT[BUTTONn] = {BUTTON_SW1_GPIO_PORT, BUTTON_SW2_GPIO_PORT, BUTTON_SW3_GPIO_PORT};
static const uint16_t BUTTON_PIN[BUTTONn] = {BUTTON_SW1_PIN, BUTTON_SW2_PIN, BUTTON_SW3_PIN};
static const IRQn_Type BUTTON_IRQn[BUTTONn] = {BUTTON_SW1_EXTI_IRQn, BUTTON_SW2_EXTI_IRQn, BUTTON_SW3_EXTI_IRQn};
#if (USE_BSP_COM_FEATURE > 0)
static USART_TypeDef* COM_USART[COMn] = {COM1_UART};
#if (USE_COM_LOG > 0)
static COM_TypeDef COM_ActiveLogPort = COM1;
#endif
#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
static uint32_t IsComMspCbValid[COMn] = {0};
#endif
#endif /* (USE_BSP_COM_FEATURE > 0) */
/**
* @}
*/
/** @defgroup STM32WLXX_NUCLEO_LOW_LEVEL_Private_Functions LOW LEVEL Private Functions
* @{
*/
static void BUTTON_SW1_EXTI_Callback(void);
static void BUTTON_SW2_EXTI_Callback(void);
static void BUTTON_SW3_EXTI_Callback(void);
#if (USE_BSP_COM_FEATURE > 0)
static void COM1_MspInit(UART_HandleTypeDef *huart);
static void COM1_MspDeInit(UART_HandleTypeDef *huart);
#endif /* (USE_BSP_COM_FEATURE > 0) */
/**
* @}
*/
/** @addtogroup STM32WLXX_NUCLEO_LOW_LEVEL_Exported_Functions
* @{
*/
/**
* @brief This method returns the STM32WLXX NUCLEO BSP Driver revision
* @retval version: 0xXYZR (8bits for each decimal, R for RC)
*/
uint32_t BSP_GetVersion(void)
{
return (int32_t)__STM32WLXX_NUCLEO_BSP_VERSION;
}
/** @addtogroup STM32WLXX_NUCLEO_LOW_LEVEL_LED_Functions
* @{
*/
/**
* @brief Configures LED GPIO.
* @param Led: LED to be configured.
* This parameter can be one of the following values:
* @arg LED1
* @arg LED2
* @arg LED3
* @retval BSP status
*/
int32_t BSP_LED_Init(Led_TypeDef Led)
{
GPIO_InitTypeDef gpio_init_structure = {0};
/* Enable the GPIO_LED Clock */
LEDx_GPIO_CLK_ENABLE(Led);
/* Configure the GPIO_LED pin */
gpio_init_structure.Pin = LED_PIN[Led];
gpio_init_structure.Mode = GPIO_MODE_OUTPUT_PP;
gpio_init_structure.Pull = GPIO_NOPULL;
gpio_init_structure.Speed = GPIO_SPEED_FREQ_HIGH;
HAL_GPIO_Init(LED_PORT[Led], &gpio_init_structure);
HAL_GPIO_WritePin(LED_PORT[Led], LED_PIN[Led], GPIO_PIN_RESET);
return BSP_ERROR_NONE;
}
/**
* @brief DeInit LEDs.
* @param Led: LED to be de-init.
* This parameter can be one of the following values:
* @arg LED1
* @arg LED2
* @arg LED3
* @note Led DeInit does not disable the GPIO clock nor disable the Mfx
* @retval BSP status
*/
int32_t BSP_LED_DeInit(Led_TypeDef Led)
{
/* Turn off LED */
HAL_GPIO_WritePin(LED_PORT[Led], LED_PIN[Led], GPIO_PIN_RESET);
/* DeInit the GPIO_LED pin */
HAL_GPIO_DeInit(LED_PORT[Led], LED_PIN[Led]);
return BSP_ERROR_NONE;
}
/**
* @brief Turns selected LED On.
* @param Led: Specifies the Led to be set on.
* This parameter can be one of the following values:
* @arg LED1
* @arg LED2
* @arg LED3
* @retval BSP status
*/
int32_t BSP_LED_On(Led_TypeDef Led)
{
HAL_GPIO_WritePin(LED_PORT[Led], LED_PIN[Led], GPIO_PIN_SET);
return BSP_ERROR_NONE;
}
/**
* @brief Turns selected LED Off.
* @param Led: Specifies the Led to be set off.
* This parameter can be one of the following values:
* @arg LED1
* @arg LED2
* @arg LED3
* @retval BSP status
*/
int32_t BSP_LED_Off(Led_TypeDef Led)
{
HAL_GPIO_WritePin(LED_PORT[Led], LED_PIN[Led], GPIO_PIN_RESET);
return BSP_ERROR_NONE;
}
/**
* @brief Toggles the selected LED.
* @param Led: Specifies the Led to be toggled.
* This parameter can be one of the following values:
* @arg LED1
* @arg LED2
* @arg LED3
* @retval BSP status
*/
int32_t BSP_LED_Toggle(Led_TypeDef Led)
{
HAL_GPIO_TogglePin(LED_PORT[Led], LED_PIN[Led]);
return BSP_ERROR_NONE;
}
/**
* @brief Get the status of the selected LED.
* @param Led Specifies the Led to get its state.
* This parameter can be one of following parameters:
* @arg LED1
* @arg LED2
* @arg LED3
* @retval LED status
*/
int32_t BSP_LED_GetState(Led_TypeDef Led)
{
return (int32_t)HAL_GPIO_ReadPin(LED_PORT[Led], LED_PIN[Led]);
}
/**
* @}
*/
/** @addtogroup STM32WLXX_NUCLEO_LOW_LEVEL_BUTTON_Functions
* @{
*/
/**
* @brief Configures Button GPIO and EXTI Line.
* @param Button: Specifies the Button to be configured.
* This parameter can be one of following parameters:
* @arg BUTTON_SW1
* @arg BUTTON_SW2
* @arg BUTTON_SW3
* @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 BSP status
*/
int32_t BSP_PB_Init(Button_TypeDef Button, ButtonMode_TypeDef ButtonMode)
{
GPIO_InitTypeDef gpio_init_structure = {0};
static BSP_EXTI_LineCallback button_callback[BUTTONn] = {BUTTON_SW1_EXTI_Callback, BUTTON_SW2_EXTI_Callback, BUTTON_SW3_EXTI_Callback};
static uint32_t button_interrupt_priority[BUTTONn] = {BSP_BUTTON_USER_IT_PRIORITY, BSP_BUTTON_USER_IT_PRIORITY, BSP_BUTTON_USER_IT_PRIORITY};
static const uint32_t button_exti_line[BUTTONn] = {BUTTON_SW1_EXTI_LINE, BUTTON_SW2_EXTI_LINE, BUTTON_SW3_EXTI_LINE};
/* Enable the BUTTON Clock */
BUTTONx_GPIO_CLK_ENABLE(Button);
gpio_init_structure.Pin = BUTTON_PIN[Button];
gpio_init_structure.Pull = GPIO_PULLUP;
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_FALLING;
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, button_callback[Button]);
/* Enable and set Button EXTI Interrupt to the lowest priority */
HAL_NVIC_SetPriority((BUTTON_IRQn[Button]), button_interrupt_priority[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 following parameters:
* @arg BUTTON_SW1
* @arg BUTTON_SW2
* @arg BUTTON_SW3
* @note PB DeInit does not disable the GPIO clock
* @retval BSP status
*/
int32_t BSP_PB_DeInit(Button_TypeDef Button)
{
HAL_NVIC_DisableIRQ((BUTTON_IRQn[Button]));
HAL_GPIO_DeInit(BUTTON_PORT[Button], BUTTON_PIN[Button]);
return BSP_ERROR_NONE;
}
/**
* @brief Returns the selected Button state.
* @param Button: Specifies the Button to be checked.
* This parameter can be one of following parameters:
* @arg BUTTON_SW1
* @arg BUTTON_SW2
* @arg BUTTON_SW3
* @retval The Button GPIO pin value.
*/
int32_t BSP_PB_GetState(Button_TypeDef Button)
{
return (int32_t)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 BSP Push Button callback
* @param Button: Specifies the Button to be checked.
* This parameter can be one of following parameters:
* @arg BUTTON_SW1
* @arg BUTTON_SW2
* @arg BUTTON_SW3
* @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)
/** @addtogroup STM32WLXX_NUCLEO_LOW_LEVEL_COM_Functions
* @{
*/
/**
* @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 error code
*/
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
{
#if (USE_HAL_UART_REGISTER_CALLBACKS == 0)
/* Init the UART Msp */
COM1_MspInit(&hcom_uart[COM]);
#else
if(IsComMspCbValid == 0U)
{
if(BSP_COM_RegisterDefaultMspCallbacks(COM) != BSP_ERROR_NONE)
{
return BSP_ERROR_MSP_FAILURE;
}
}
#endif
if(MX_LPUART1_Init(&hcom_uart[COM], COM_Init) != HAL_OK)
{
return 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)
COM1_MspDeInit(&hcom_uart[COM]);
#endif /* (USE_HAL_UART_REGISTER_CALLBACKS == 0) */
if(HAL_UART_DeInit(&hcom_uart[COM]) != HAL_OK)
{
return BSP_ERROR_PERIPH_FAILURE;
}
}
return ret;
}
/**
* @brief Configures COM 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_LPUART1_Init(UART_HandleTypeDef *huart, MX_UART_InitTypeDef *COM_Init)
{
/* USART configuration */
huart->Instance = COM_USART[COM1];
huart->Init.BaudRate = COM_Init->BaudRate;
huart->Init.Mode = UART_MODE_TX_RX;
huart->Init.Parity = (uint32_t)COM_Init->Parity;
huart->Init.WordLength = 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.
* This parameter can be COM1
* @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, COM1_MspInit) != HAL_OK)
{
ret = BSP_ERROR_PERIPH_FAILURE;
}
else if(HAL_UART_RegisterCallback(&hcom_uart[COM], HAL_UART_MSPDEINIT_CB_ID, COM1_MspDeInit) != HAL_OK)
{
ret = BSP_ERROR_PERIPH_FAILURE;
}
else
{
IsComMspCbValid[COM] = 1U;
}
}
/* BSP status */
return ret;
}
/**
* @brief Register COM Msp Callback registering
* @param COM COM port to be configured.
* This parameter can be COM1
* @param Callbacks pointer to COM1 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
* @retval BSP status
*/
int32_t BSP_COM_SelectLogPort(COM_TypeDef COM)
{
if(COM_ActiveLogPort != COM)
{
COM_ActiveLogPort = COM;
}
return BSP_ERROR_NONE;
}
#if defined(__ICCARM__)
/**
* @brief Retargets the C library __write function to the IAR function iar_fputc.
* @param file: file descriptor.
* @param ptr: pointer to the buffer where the data is stored.
* @param len: length of the data to write in bytes.
* @retval length of the written data in bytes.
*/
size_t __write(int file, unsigned char const *ptr, size_t len)
{
size_t idx;
unsigned char const *pdata = ptr;
for (idx = 0; idx < len; idx++)
{
iar_fputc((int)*pdata);
pdata++;
}
return len;
}
#endif /* __ICCARM__ */
/**
* @brief Redirect console output to COM
*/
PUTCHAR_PROTOTYPE
{
(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 > 0) */
/**
* @}
*/
/** @addtogroup STM32WLXX_NUCLEO_LOW_LEVEL_Private_Functions
* @{
*/
/**
* @brief Button SW1 EXTI line detection callback.
* @retval None
*/
static void BUTTON_SW1_EXTI_Callback(void)
{
BSP_PB_Callback(BUTTON_SW1);
}
/**
* @brief Button SW2 EXTI line detection callback.
* @retval None
*/
static void BUTTON_SW2_EXTI_Callback(void)
{
BSP_PB_Callback(BUTTON_SW2);
}
/**
* @brief Button SW3 EXTI line detection callback.
* @retval None
*/
static void BUTTON_SW3_EXTI_Callback(void)
{
BSP_PB_Callback(BUTTON_SW3);
}
#if (USE_BSP_COM_FEATURE > 0)
/**
* @brief Initializes COM1 MSP.
* @param huart UART handle
* @retval BSP status
*/
static void COM1_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 DeInitialize COM1 MSP part
* @param huart UART handle
* @retval BSP status
*/
static void COM1_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 > 0) */
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
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