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/**
******************************************************************************
* @file Examples_LL/USART/USART_Communication_Rx_IT_Continuous/Inc/main.h
* @author MCD Application Team
* @brief Header for main.c module
******************************************************************************
* @attention
*
* Copyright (c) 2017 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.
*
******************************************************************************
*/
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __MAIN_H
#define __MAIN_H
/* Includes ------------------------------------------------------------------*/
#include "stm32f4xx_ll_bus.h"
#include "stm32f4xx_ll_rcc.h"
#include "stm32f4xx_ll_system.h"
#include "stm32f4xx_ll_utils.h"
#include "stm32f4xx_ll_gpio.h"
#include "stm32f4xx_ll_exti.h"
#include "stm32f4xx_ll_usart.h"
#include "stm32f4xx_ll_pwr.h"
#if defined(USE_FULL_ASSERT)
#include "stm32_assert.h"
#endif /* USE_FULL_ASSERT */
/* Exported types ------------------------------------------------------------*/
/* Exported constants --------------------------------------------------------*/
/* Define used to enable Virtual Com Port use :
USE_VCP_CONNECTION == 0
USART1 instance is used. (TX on PA.09, RX on PA.10)
(requires wiring USART1 TX/Rx Pins to PC connection (could be achieved thanks to a USB to UART adapter)
USE_VCP_CONNECTION == 1
USART2 instance is used. (TX on PA.02, RX on PA.03)
(please ensure that USART communication between the target MCU and ST-LINK MCU is properly enabled
on HW board in order to support Virtual Com Port)
*/
#define USE_VCP_CONNECTION 1
/* Private definitions covering GPIO clock and USART pins
depending on selected USART instance. */
#if (USE_VCP_CONNECTION == 0)
/* USART1 instance is used. (TX on PA.09, RX on PA.10)
(requires wiring USART1 TX/Rx Pins to USB to UART adapter) */
#define USARTx_INSTANCE USART1
#define USARTx_CLK_ENABLE() LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_USART1)
#define USARTx_IRQn USART1_IRQn
#define USARTx_IRQHandler USART1_IRQHandler
#define USARTx_GPIO_CLK_ENABLE() LL_AHB1_GRP1_EnableClock(LL_AHB1_GRP1_PERIPH_GPIOA) /* Enable the peripheral clock of GPIOA */
#define USARTx_TX_PIN LL_GPIO_PIN_9
#define USARTx_TX_GPIO_PORT GPIOA
#define USARTx_SET_TX_GPIO_AF() LL_GPIO_SetAFPin_8_15(GPIOA, LL_GPIO_PIN_9, LL_GPIO_AF_7)
#define USARTx_RX_PIN LL_GPIO_PIN_10
#define USARTx_RX_GPIO_PORT GPIOA
#define USARTx_SET_RX_GPIO_AF() LL_GPIO_SetAFPin_8_15(GPIOA, LL_GPIO_PIN_10, LL_GPIO_AF_7)
#define APB_Div 1
#else
/* USART2 instance is used. (TX on PA.02, RX on PA.03)
(please ensure that USART communication between the target MCU and ST-LINK MCU is properly enabled
on HW board in order to support Virtual Com Port) */
#define USARTx_INSTANCE USART2
#define USARTx_CLK_ENABLE() LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_USART2)
#define USARTx_IRQn USART2_IRQn
#define USARTx_IRQHandler USART2_IRQHandler
#define USARTx_GPIO_CLK_ENABLE() LL_AHB1_GRP1_EnableClock(LL_AHB1_GRP1_PERIPH_GPIOD) /* Enable the peripheral clock of GPIOA */
#define USARTx_TX_PIN LL_GPIO_PIN_2
#define USARTx_TX_GPIO_PORT GPIOA
#define USARTx_SET_TX_GPIO_AF() LL_GPIO_SetAFPin_0_7(GPIOA, LL_GPIO_PIN_2, LL_GPIO_AF_7)
#define USARTx_RX_PIN LL_GPIO_PIN_3
#define USARTx_RX_GPIO_PORT GPIOA
#define USARTx_SET_RX_GPIO_AF() LL_GPIO_SetAFPin_0_7(GPIOA, LL_GPIO_PIN_3, LL_GPIO_AF_7)
#define APB_Div 2
#endif /* (USE_VCP_CONNECTION == 0) */
/**
* @brief LED2
*/
#define LED2_PIN LL_GPIO_PIN_5
#define LED2_GPIO_PORT GPIOA
#define LED2_GPIO_CLK_ENABLE() LL_AHB1_GRP1_EnableClock(LL_AHB1_GRP1_PERIPH_GPIOA)
/**
* @brief Toggle periods for various blinking modes
*/
#define LED_BLINK_FAST 200
#define LED_BLINK_SLOW 500
#define LED_BLINK_ERROR 1000
/**
* @brief Key push-button
*/
#define USER_BUTTON_PIN LL_GPIO_PIN_13
#define USER_BUTTON_GPIO_PORT GPIOC
#define USER_BUTTON_GPIO_CLK_ENABLE() LL_AHB1_GRP1_EnableClock(LL_AHB1_GRP1_PERIPH_GPIOC)
#define USER_BUTTON_EXTI_LINE LL_EXTI_LINE_13
#define USER_BUTTON_EXTI_IRQn EXTI15_10_IRQn
#define USER_BUTTON_EXTI_LINE_ENABLE() LL_EXTI_EnableIT_0_31(USER_BUTTON_EXTI_LINE)
#define USER_BUTTON_EXTI_FALLING_TRIG_ENABLE() LL_EXTI_EnableFallingTrig_0_31(USER_BUTTON_EXTI_LINE)
#define USER_BUTTON_SYSCFG_SET_EXTI() do { \
LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_SYSCFG); \
LL_SYSCFG_SetEXTISource(LL_SYSCFG_EXTI_PORTC, LL_SYSCFG_EXTI_LINE13); \
} while(0)
#define USER_BUTTON_IRQHANDLER EXTI15_10_IRQHandler
/* Exported macro ------------------------------------------------------------*/
/* Exported functions ------------------------------------------------------- */
/* IRQ Handler treatment functions */
void UserButton_Callback(void);
void USART_CharReception_Callback(void);
void Error_Callback(void);
#endif /* __MAIN_H */
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