diff --git a/Core/Inc/gpio.h b/Core/Inc/gpio.h new file mode 100644 index 0000000..6c03ac7 --- /dev/null +++ b/Core/Inc/gpio.h @@ -0,0 +1,49 @@ +/* USER CODE BEGIN Header */ +/** + ****************************************************************************** + * @file gpio.h + * @brief This file contains all the function prototypes for + * the gpio.c file + ****************************************************************************** + * @attention + * + * Copyright (c) 2023 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. + * + ****************************************************************************** + */ +/* USER CODE END Header */ +/* Define to prevent recursive inclusion -------------------------------------*/ +#ifndef __GPIO_H__ +#define __GPIO_H__ + +#ifdef __cplusplus +extern "C" { +#endif + +/* Includes ------------------------------------------------------------------*/ +#include "main.h" + +/* USER CODE BEGIN Includes */ + +/* USER CODE END Includes */ + +/* USER CODE BEGIN Private defines */ + +/* USER CODE END Private defines */ + +void MX_GPIO_Init(void); + +/* USER CODE BEGIN Prototypes */ + +/* USER CODE END Prototypes */ + +#ifdef __cplusplus +} +#endif +#endif /*__ GPIO_H__ */ + diff --git a/Core/Inc/i2c.h b/Core/Inc/i2c.h new file mode 100644 index 0000000..0d7db03 --- /dev/null +++ b/Core/Inc/i2c.h @@ -0,0 +1,52 @@ +/* USER CODE BEGIN Header */ +/** + ****************************************************************************** + * @file i2c.h + * @brief This file contains all the function prototypes for + * the i2c.c file + ****************************************************************************** + * @attention + * + * Copyright (c) 2023 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. + * + ****************************************************************************** + */ +/* USER CODE END Header */ +/* Define to prevent recursive inclusion -------------------------------------*/ +#ifndef __I2C_H__ +#define __I2C_H__ + +#ifdef __cplusplus +extern "C" { +#endif + +/* Includes ------------------------------------------------------------------*/ +#include "main.h" + +/* USER CODE BEGIN Includes */ + +/* USER CODE END Includes */ + +extern I2C_HandleTypeDef hi2c2; + +/* USER CODE BEGIN Private defines */ + +/* USER CODE END Private defines */ + +void MX_I2C2_Init(void); + +/* USER CODE BEGIN Prototypes */ + +/* USER CODE END Prototypes */ + +#ifdef __cplusplus +} +#endif + +#endif /* __I2C_H__ */ + diff --git a/Core/Inc/tim.h b/Core/Inc/tim.h new file mode 100644 index 0000000..46c0a2a --- /dev/null +++ b/Core/Inc/tim.h @@ -0,0 +1,52 @@ +/* USER CODE BEGIN Header */ +/** + ****************************************************************************** + * @file tim.h + * @brief This file contains all the function prototypes for + * the tim.c file + ****************************************************************************** + * @attention + * + * Copyright (c) 2023 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. + * + ****************************************************************************** + */ +/* USER CODE END Header */ +/* Define to prevent recursive inclusion -------------------------------------*/ +#ifndef __TIM_H__ +#define __TIM_H__ + +#ifdef __cplusplus +extern "C" { +#endif + +/* Includes ------------------------------------------------------------------*/ +#include "main.h" + +/* USER CODE BEGIN Includes */ + +/* USER CODE END Includes */ + +extern TIM_HandleTypeDef htim3; + +/* USER CODE BEGIN Private defines */ + +/* USER CODE END Private defines */ + +void MX_TIM3_Init(void); + +/* USER CODE BEGIN Prototypes */ + +/* USER CODE END Prototypes */ + +#ifdef __cplusplus +} +#endif + +#endif /* __TIM_H__ */ + diff --git a/Core/Inc/usart.h b/Core/Inc/usart.h new file mode 100644 index 0000000..16f95a5 --- /dev/null +++ b/Core/Inc/usart.h @@ -0,0 +1,55 @@ +/* USER CODE BEGIN Header */ +/** + ****************************************************************************** + * @file usart.h + * @brief This file contains all the function prototypes for + * the usart.c file + ****************************************************************************** + * @attention + * + * Copyright (c) 2023 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. + * + ****************************************************************************** + */ +/* USER CODE END Header */ +/* Define to prevent recursive inclusion -------------------------------------*/ +#ifndef __USART_H__ +#define __USART_H__ + +#ifdef __cplusplus +extern "C" { +#endif + +/* Includes ------------------------------------------------------------------*/ +#include "main.h" + +/* USER CODE BEGIN Includes */ + +/* USER CODE END Includes */ + +extern UART_HandleTypeDef huart1; + +extern UART_HandleTypeDef huart2; + +/* USER CODE BEGIN Private defines */ + +/* USER CODE END Private defines */ + +void MX_USART1_UART_Init(void); +void MX_USART2_UART_Init(void); + +/* USER CODE BEGIN Prototypes */ + +/* USER CODE END Prototypes */ + +#ifdef __cplusplus +} +#endif + +#endif /* __USART_H__ */ + diff --git a/Core/Src/gpio.c b/Core/Src/gpio.c new file mode 100644 index 0000000..a066590 --- /dev/null +++ b/Core/Src/gpio.c @@ -0,0 +1,82 @@ +/* USER CODE BEGIN Header */ +/** + ****************************************************************************** + * @file gpio.c + * @brief This file provides code for the configuration + * of all used GPIO pins. + ****************************************************************************** + * @attention + * + * Copyright (c) 2023 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. + * + ****************************************************************************** + */ +/* USER CODE END Header */ + +/* Includes ------------------------------------------------------------------*/ +#include "gpio.h" + +/* USER CODE BEGIN 0 */ + +/* USER CODE END 0 */ + +/*----------------------------------------------------------------------------*/ +/* Configure GPIO */ +/*----------------------------------------------------------------------------*/ +/* USER CODE BEGIN 1 */ + +/* USER CODE END 1 */ + +/** Configure pins as + * Analog + * Input + * Output + * EVENT_OUT + * EXTI +*/ +void MX_GPIO_Init(void) +{ + + GPIO_InitTypeDef GPIO_InitStruct = {0}; + + /* GPIO Ports Clock Enable */ + __HAL_RCC_GPIOF_CLK_ENABLE(); + __HAL_RCC_GPIOA_CLK_ENABLE(); + __HAL_RCC_GPIOB_CLK_ENABLE(); + + /*Configure GPIO pin Output Level */ + HAL_GPIO_WritePin(GPIOA, LIGHTING_EN_Pin|READER_EN_Pin, GPIO_PIN_RESET); + + /*Configure GPIO pin Output Level */ + HAL_GPIO_WritePin(ZUMMER_PINOUT_GPIO_Port, ZUMMER_PINOUT_Pin, GPIO_PIN_RESET); + + /*Configure GPIO pins : PA0 PA1 */ + GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_1; + GPIO_InitStruct.Mode = GPIO_MODE_IT_RISING; + GPIO_InitStruct.Pull = GPIO_NOPULL; + HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); + + /*Configure GPIO pins : PAPin PAPin */ + GPIO_InitStruct.Pin = LIGHTING_EN_Pin|READER_EN_Pin; + GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP; + GPIO_InitStruct.Pull = GPIO_NOPULL; + GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; + HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); + + /*Configure GPIO pin : PtPin */ + GPIO_InitStruct.Pin = ZUMMER_PINOUT_Pin; + GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP; + GPIO_InitStruct.Pull = GPIO_NOPULL; + GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; + HAL_GPIO_Init(ZUMMER_PINOUT_GPIO_Port, &GPIO_InitStruct); + +} + +/* USER CODE BEGIN 2 */ + +/* USER CODE END 2 */ diff --git a/Core/Src/i2c.c b/Core/Src/i2c.c new file mode 100644 index 0000000..92282e4 --- /dev/null +++ b/Core/Src/i2c.c @@ -0,0 +1,130 @@ +/* USER CODE BEGIN Header */ +/** + ****************************************************************************** + * @file i2c.c + * @brief This file provides code for the configuration + * of the I2C instances. + ****************************************************************************** + * @attention + * + * Copyright (c) 2023 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. + * + ****************************************************************************** + */ +/* USER CODE END Header */ +/* Includes ------------------------------------------------------------------*/ +#include "i2c.h" + +/* USER CODE BEGIN 0 */ + +/* USER CODE END 0 */ + +I2C_HandleTypeDef hi2c2; + +/* I2C2 init function */ +void MX_I2C2_Init(void) +{ + + /* USER CODE BEGIN I2C2_Init 0 */ + + /* USER CODE END I2C2_Init 0 */ + + /* USER CODE BEGIN I2C2_Init 1 */ + + /* USER CODE END I2C2_Init 1 */ + hi2c2.Instance = I2C2; + hi2c2.Init.Timing = 0x00303D5B; + hi2c2.Init.OwnAddress1 = 0; + hi2c2.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT; + hi2c2.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE; + hi2c2.Init.OwnAddress2 = 0; + hi2c2.Init.OwnAddress2Masks = I2C_OA2_NOMASK; + hi2c2.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE; + hi2c2.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE; + if (HAL_I2C_Init(&hi2c2) != HAL_OK) + { + Error_Handler(); + } + + /** Configure Analogue filter + */ + if (HAL_I2CEx_ConfigAnalogFilter(&hi2c2, I2C_ANALOGFILTER_ENABLE) != HAL_OK) + { + Error_Handler(); + } + + /** Configure Digital filter + */ + if (HAL_I2CEx_ConfigDigitalFilter(&hi2c2, 0) != HAL_OK) + { + Error_Handler(); + } + /* USER CODE BEGIN I2C2_Init 2 */ + + /* USER CODE END I2C2_Init 2 */ + +} + +void HAL_I2C_MspInit(I2C_HandleTypeDef* i2cHandle) +{ + + GPIO_InitTypeDef GPIO_InitStruct = {0}; + if(i2cHandle->Instance==I2C2) + { + /* USER CODE BEGIN I2C2_MspInit 0 */ + + /* USER CODE END I2C2_MspInit 0 */ + + __HAL_RCC_GPIOA_CLK_ENABLE(); + /**I2C2 GPIO Configuration + PA11 [PA9] ------> I2C2_SCL + PA12 [PA10] ------> I2C2_SDA + */ + GPIO_InitStruct.Pin = GPIO_PIN_11|GPIO_PIN_12; + GPIO_InitStruct.Mode = GPIO_MODE_AF_OD; + GPIO_InitStruct.Pull = GPIO_NOPULL; + GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; + GPIO_InitStruct.Alternate = GPIO_AF6_I2C2; + HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); + + /* I2C2 clock enable */ + __HAL_RCC_I2C2_CLK_ENABLE(); + /* USER CODE BEGIN I2C2_MspInit 1 */ + + /* USER CODE END I2C2_MspInit 1 */ + } +} + +void HAL_I2C_MspDeInit(I2C_HandleTypeDef* i2cHandle) +{ + + if(i2cHandle->Instance==I2C2) + { + /* USER CODE BEGIN I2C2_MspDeInit 0 */ + + /* USER CODE END I2C2_MspDeInit 0 */ + /* Peripheral clock disable */ + __HAL_RCC_I2C2_CLK_DISABLE(); + + /**I2C2 GPIO Configuration + PA11 [PA9] ------> I2C2_SCL + PA12 [PA10] ------> I2C2_SDA + */ + HAL_GPIO_DeInit(GPIOA, GPIO_PIN_11); + + HAL_GPIO_DeInit(GPIOA, GPIO_PIN_12); + + /* USER CODE BEGIN I2C2_MspDeInit 1 */ + + /* USER CODE END I2C2_MspDeInit 1 */ + } +} + +/* USER CODE BEGIN 1 */ + +/* USER CODE END 1 */ diff --git a/Core/Src/tim.c b/Core/Src/tim.c new file mode 100644 index 0000000..32e9c67 --- /dev/null +++ b/Core/Src/tim.c @@ -0,0 +1,126 @@ +/* USER CODE BEGIN Header */ +/** + ****************************************************************************** + * @file tim.c + * @brief This file provides code for the configuration + * of the TIM instances. + ****************************************************************************** + * @attention + * + * Copyright (c) 2023 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. + * + ****************************************************************************** + */ +/* USER CODE END Header */ +/* Includes ------------------------------------------------------------------*/ +#include "tim.h" + +/* USER CODE BEGIN 0 */ + +/* USER CODE END 0 */ + +TIM_HandleTypeDef htim3; + +/* TIM3 init function */ +void MX_TIM3_Init(void) +{ + + /* USER CODE BEGIN TIM3_Init 0 */ + + /* USER CODE END TIM3_Init 0 */ + + TIM_MasterConfigTypeDef sMasterConfig = {0}; + TIM_IC_InitTypeDef sConfigIC = {0}; + + /* USER CODE BEGIN TIM3_Init 1 */ + + /* USER CODE END TIM3_Init 1 */ + htim3.Instance = TIM3; + htim3.Init.Prescaler = 0; + htim3.Init.CounterMode = TIM_COUNTERMODE_UP; + htim3.Init.Period = 65535; + htim3.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1; + htim3.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE; + if (HAL_TIM_IC_Init(&htim3) != HAL_OK) + { + Error_Handler(); + } + sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET; + sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE; + if (HAL_TIMEx_MasterConfigSynchronization(&htim3, &sMasterConfig) != HAL_OK) + { + Error_Handler(); + } + sConfigIC.ICPolarity = TIM_INPUTCHANNELPOLARITY_RISING; + sConfigIC.ICSelection = TIM_ICSELECTION_DIRECTTI; + sConfigIC.ICPrescaler = TIM_ICPSC_DIV1; + sConfigIC.ICFilter = 0; + if (HAL_TIM_IC_ConfigChannel(&htim3, &sConfigIC, TIM_CHANNEL_1) != HAL_OK) + { + Error_Handler(); + } + /* USER CODE BEGIN TIM3_Init 2 */ + + /* USER CODE END TIM3_Init 2 */ + +} + +void HAL_TIM_IC_MspInit(TIM_HandleTypeDef* tim_icHandle) +{ + + GPIO_InitTypeDef GPIO_InitStruct = {0}; + if(tim_icHandle->Instance==TIM3) + { + /* USER CODE BEGIN TIM3_MspInit 0 */ + + /* USER CODE END TIM3_MspInit 0 */ + /* TIM3 clock enable */ + __HAL_RCC_TIM3_CLK_ENABLE(); + + __HAL_RCC_GPIOB_CLK_ENABLE(); + /**TIM3 GPIO Configuration + PB4 ------> TIM3_CH1 + */ + GPIO_InitStruct.Pin = GPIO_PIN_4; + GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; + GPIO_InitStruct.Pull = GPIO_NOPULL; + GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; + GPIO_InitStruct.Alternate = GPIO_AF1_TIM3; + HAL_GPIO_Init(GPIOB, &GPIO_InitStruct); + + /* USER CODE BEGIN TIM3_MspInit 1 */ + + /* USER CODE END TIM3_MspInit 1 */ + } +} + +void HAL_TIM_IC_MspDeInit(TIM_HandleTypeDef* tim_icHandle) +{ + + if(tim_icHandle->Instance==TIM3) + { + /* USER CODE BEGIN TIM3_MspDeInit 0 */ + + /* USER CODE END TIM3_MspDeInit 0 */ + /* Peripheral clock disable */ + __HAL_RCC_TIM3_CLK_DISABLE(); + + /**TIM3 GPIO Configuration + PB4 ------> TIM3_CH1 + */ + HAL_GPIO_DeInit(GPIOB, GPIO_PIN_4); + + /* USER CODE BEGIN TIM3_MspDeInit 1 */ + + /* USER CODE END TIM3_MspDeInit 1 */ + } +} + +/* USER CODE BEGIN 1 */ + +/* USER CODE END 1 */ diff --git a/Core/Src/usart.c b/Core/Src/usart.c new file mode 100644 index 0000000..abb0b0e --- /dev/null +++ b/Core/Src/usart.c @@ -0,0 +1,248 @@ +/* USER CODE BEGIN Header */ +/** + ****************************************************************************** + * @file usart.c + * @brief This file provides code for the configuration + * of the USART instances. + ****************************************************************************** + * @attention + * + * Copyright (c) 2023 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. + * + ****************************************************************************** + */ +/* USER CODE END Header */ +/* Includes ------------------------------------------------------------------*/ +#include "usart.h" + +/* USER CODE BEGIN 0 */ + +/* USER CODE END 0 */ + +UART_HandleTypeDef huart1; +UART_HandleTypeDef huart2; + +/* USART1 init function */ + +void MX_USART1_UART_Init(void) +{ + + /* USER CODE BEGIN USART1_Init 0 */ + + /* USER CODE END USART1_Init 0 */ + + /* USER CODE BEGIN USART1_Init 1 */ + + /* USER CODE END USART1_Init 1 */ + huart1.Instance = USART1; + huart1.Init.BaudRate = 9600; + huart1.Init.WordLength = UART_WORDLENGTH_8B; + huart1.Init.StopBits = UART_STOPBITS_1; + huart1.Init.Parity = UART_PARITY_NONE; + huart1.Init.Mode = UART_MODE_TX_RX; + huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE; + huart1.Init.OverSampling = UART_OVERSAMPLING_16; + huart1.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE; + huart1.Init.ClockPrescaler = UART_PRESCALER_DIV1; + huart1.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_SWAP_INIT; + huart1.AdvancedInit.Swap = UART_ADVFEATURE_SWAP_ENABLE; + if (HAL_UART_Init(&huart1) != HAL_OK) + { + Error_Handler(); + } + if (HAL_UARTEx_SetTxFifoThreshold(&huart1, UART_TXFIFO_THRESHOLD_1_8) != HAL_OK) + { + Error_Handler(); + } + if (HAL_UARTEx_SetRxFifoThreshold(&huart1, UART_RXFIFO_THRESHOLD_1_8) != HAL_OK) + { + Error_Handler(); + } + if (HAL_UARTEx_DisableFifoMode(&huart1) != HAL_OK) + { + Error_Handler(); + } + /* USER CODE BEGIN USART1_Init 2 */ + + /* USER CODE END USART1_Init 2 */ + +} +/* USART2 init function */ + +void MX_USART2_UART_Init(void) +{ + + /* USER CODE BEGIN USART2_Init 0 */ + + /* USER CODE END USART2_Init 0 */ + + /* USER CODE BEGIN USART2_Init 1 */ + + /* USER CODE END USART2_Init 1 */ + huart2.Instance = USART2; + huart2.Init.BaudRate = 9600; + huart2.Init.WordLength = UART_WORDLENGTH_8B; + huart2.Init.StopBits = UART_STOPBITS_1; + huart2.Init.Parity = UART_PARITY_NONE; + huart2.Init.Mode = UART_MODE_TX_RX; + huart2.Init.HwFlowCtl = UART_HWCONTROL_NONE; + huart2.Init.OverSampling = UART_OVERSAMPLING_16; + huart2.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE; + huart2.Init.ClockPrescaler = UART_PRESCALER_DIV1; + huart2.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT; + if (HAL_UART_Init(&huart2) != HAL_OK) + { + Error_Handler(); + } + if (HAL_UARTEx_SetTxFifoThreshold(&huart2, UART_TXFIFO_THRESHOLD_1_8) != HAL_OK) + { + Error_Handler(); + } + if (HAL_UARTEx_SetRxFifoThreshold(&huart2, UART_RXFIFO_THRESHOLD_1_8) != HAL_OK) + { + Error_Handler(); + } + if (HAL_UARTEx_DisableFifoMode(&huart2) != HAL_OK) + { + Error_Handler(); + } + /* USER CODE BEGIN USART2_Init 2 */ + + /* USER CODE END USART2_Init 2 */ + +} + +void HAL_UART_MspInit(UART_HandleTypeDef* uartHandle) +{ + + GPIO_InitTypeDef GPIO_InitStruct = {0}; + RCC_PeriphCLKInitTypeDef PeriphClkInit = {0}; + if(uartHandle->Instance==USART1) + { + /* USER CODE BEGIN USART1_MspInit 0 */ + + /* USER CODE END USART1_MspInit 0 */ + + /** Initializes the peripherals clocks + */ + PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USART1; + PeriphClkInit.Usart1ClockSelection = RCC_USART1CLKSOURCE_PCLK1; + if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK) + { + Error_Handler(); + } + + /* USART1 clock enable */ + __HAL_RCC_USART1_CLK_ENABLE(); + + __HAL_RCC_GPIOB_CLK_ENABLE(); + /**USART1 GPIO Configuration + PB6 ------> USART1_TX + PB7 ------> USART1_RX + */ + GPIO_InitStruct.Pin = GPIO_PIN_6|GPIO_PIN_7; + GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; + GPIO_InitStruct.Pull = GPIO_NOPULL; + GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; + GPIO_InitStruct.Alternate = GPIO_AF0_USART1; + HAL_GPIO_Init(GPIOB, &GPIO_InitStruct); + + /* USART1 interrupt Init */ + HAL_NVIC_SetPriority(USART1_IRQn, 0, 0); + HAL_NVIC_EnableIRQ(USART1_IRQn); + /* USER CODE BEGIN USART1_MspInit 1 */ + + /* USER CODE END USART1_MspInit 1 */ + } + else if(uartHandle->Instance==USART2) + { + /* USER CODE BEGIN USART2_MspInit 0 */ + + /* USER CODE END USART2_MspInit 0 */ + + /** Initializes the peripherals clocks + */ + PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USART2; + PeriphClkInit.Usart2ClockSelection = RCC_USART2CLKSOURCE_PCLK1; + if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK) + { + Error_Handler(); + } + + /* USART2 clock enable */ + __HAL_RCC_USART2_CLK_ENABLE(); + + __HAL_RCC_GPIOA_CLK_ENABLE(); + /**USART2 GPIO Configuration + PA2 ------> USART2_TX + PA3 ------> USART2_RX + */ + GPIO_InitStruct.Pin = GPIO_PIN_2|GPIO_PIN_3; + GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; + GPIO_InitStruct.Pull = GPIO_NOPULL; + GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; + GPIO_InitStruct.Alternate = GPIO_AF1_USART2; + HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); + + /* USART2 interrupt Init */ + HAL_NVIC_SetPriority(USART2_IRQn, 0, 0); + HAL_NVIC_EnableIRQ(USART2_IRQn); + /* USER CODE BEGIN USART2_MspInit 1 */ + + /* USER CODE END USART2_MspInit 1 */ + } +} + +void HAL_UART_MspDeInit(UART_HandleTypeDef* uartHandle) +{ + + if(uartHandle->Instance==USART1) + { + /* USER CODE BEGIN USART1_MspDeInit 0 */ + + /* USER CODE END USART1_MspDeInit 0 */ + /* Peripheral clock disable */ + __HAL_RCC_USART1_CLK_DISABLE(); + + /**USART1 GPIO Configuration + PB6 ------> USART1_TX + PB7 ------> USART1_RX + */ + HAL_GPIO_DeInit(GPIOB, GPIO_PIN_6|GPIO_PIN_7); + + /* USART1 interrupt Deinit */ + HAL_NVIC_DisableIRQ(USART1_IRQn); + /* USER CODE BEGIN USART1_MspDeInit 1 */ + + /* USER CODE END USART1_MspDeInit 1 */ + } + else if(uartHandle->Instance==USART2) + { + /* USER CODE BEGIN USART2_MspDeInit 0 */ + + /* USER CODE END USART2_MspDeInit 0 */ + /* Peripheral clock disable */ + __HAL_RCC_USART2_CLK_DISABLE(); + + /**USART2 GPIO Configuration + PA2 ------> USART2_TX + PA3 ------> USART2_RX + */ + HAL_GPIO_DeInit(GPIOA, GPIO_PIN_2|GPIO_PIN_3); + + /* USART2 interrupt Deinit */ + HAL_NVIC_DisableIRQ(USART2_IRQn); + /* USER CODE BEGIN USART2_MspDeInit 1 */ + + /* USER CODE END USART2_MspDeInit 1 */ + } +} + +/* USER CODE BEGIN 1 */ + +/* USER CODE END 1 */