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convert usart.c to cpp class

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This commit is contained in:
Moritz Martinius
2024-12-16 11:36:03 +01:00
parent e27ae40884
commit 7b7e783d68
8 changed files with 55 additions and 153 deletions
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4
.editorconfig Normal file
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@@ -0,0 +1,4 @@
charset = utf-8
[*.{c,h,cpp,hpp}]
indent_style = space
indent_size = 4

18
Core/Inc/pindef.hpp Normal file
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@@ -0,0 +1,18 @@
#include "stm32f401xe.h"
#include "stm32f4xx_hal.h"
constexpr const uint16_t B1_Pin = GPIO_PIN_13;
constexpr const uint16_t USART_TX_Pin = GPIO_PIN_2;
constexpr const uint16_t USART_RX_Pin = GPIO_PIN_3;
constexpr const uint16_t LD2_Pin = GPIO_PIN_5;
constexpr const uint16_t TMS_Pin = GPIO_PIN_13;
constexpr const uint16_t TCK_Pin = GPIO_PIN_14;
constexpr const uint16_t SWO_Pin = GPIO_PIN_3;
inline GPIO_TypeDef* B1_GPIO_Port = GPIOC;
inline GPIO_TypeDef* USART_TX_GPIO_Port = GPIOA;
inline GPIO_TypeDef* USART_RX_GPIO_Port = GPIOA;
inline GPIO_TypeDef* LD2_GPIO_Port = GPIOA;
inline GPIO_TypeDef* TMS_GPIO_Port = GPIOA;
inline GPIO_TypeDef* TCK_GPIO_Port = GPIOA;
inline GPIO_TypeDef* SWO_GPIO_Port = GPIOB;

5
Core/Inc/usart.h
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@@ -40,13 +40,8 @@ extern UART_HandleTypeDef huart2;
void MX_USART2_UART_Init(void);
/* USER CODE BEGIN Prototypes */
void HAL_UART_Tx(void);
/* USER CODE END Prototypes */
#ifdef __cplusplus
}
#endif
#endif /* __USART_H__ */

1
Core/Inc/usart.hpp
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@@ -20,6 +20,7 @@ class Usart {
~Usart() = default;
bool init();
void deinit();
void print(const std::string_view str);
void println(const std::string_view str);

31
Core/Src/main.cpp
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@@ -67,47 +67,27 @@ void SystemClock_Config(void);
*/
int main(void) {
/* USER CODE BEGIN 1 */
/* USER CODE END 1 */
/* MCU Configuration--------------------------------------------------------*/
/* Reset of all peripherals, Initializes the Flash interface and the Systick. */
HAL_Init();
/* USER CODE BEGIN Init */
/* USER CODE END Init */
/* Configure the system clock */
SystemClock_Config();
/* USER CODE BEGIN SysInit */
/* USER CODE END SysInit */
/* Initialize all configured peripherals */
MX_GPIO_Init();
driver::usart::Usart usart2(USART2, 115200, UART_WORDLENGTH_8B, UART_STOPBITS_1,
UART_PARITY_NONE, UART_MODE_TX_RX, UART_HWCONTROL_NONE,
UART_OVERSAMPLING_16);
usart2.init();
/* USER CODE BEGIN 2 */
usart2.println("\r\nWeight cell init.");
/* USER CODE END 2 */
/* Infinite loop */
/* USER CODE BEGIN WHILE */
while (1) {
usart2.println("This is a pretty long string, exceeding TX bufsize. Hello, world!11!");
HAL_Delay(500);
/* USER CODE END WHILE */
usart2.println("\r\n Hello, world! cell init.");
/* USER CODE BEGIN 3 */
HAL_Delay(500);
}
/* USER CODE END 3 */
}
/**
@@ -139,8 +119,7 @@ void SystemClock_Config(void) {
Error_Handler();
}
/** Initializes the CPU, AHB and APB buses clocks
*/
/** Initializes the CPU, AHB and APB buses clocks */
RCC_ClkInitStruct.ClockType =
RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2;
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;

121
Core/Src/usart.c
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@@ -1,121 +0,0 @@
/* USER CODE BEGIN Header */
/**
******************************************************************************
* @file usart.c
* @brief This file provides code for the configuration
* of the USART instances.
******************************************************************************
* @attention
*
* Copyright (c) 2024 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"
#include "stm32f4xx_hal_uart.h"
/* USER CODE BEGIN 0 */
/* USER CODE END 0 */
UART_HandleTypeDef huart2;
/* 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 = 115200;
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;
if (HAL_UART_Init(&huart2) != HAL_OK)
{
Error_Handler();
}
/* USER CODE BEGIN USART2_Init 2 */
/* USER CODE END USART2_Init 2 */
}
void HAL_UART_Tx(void) {
const uint8_t testdata[20] = "Hello, World!\r\n";
HAL_UART_Transmit(&huart2, testdata, sizeof(testdata), 500);
}
void HAL_UART_MspInit(UART_HandleTypeDef* uartHandle)
{
GPIO_InitTypeDef GPIO_InitStruct = {0};
if(uartHandle->Instance==USART2)
{
/* USER CODE BEGIN USART2_MspInit 0 */
/* USER CODE END USART2_MspInit 0 */
/* 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 = USART_TX_Pin|USART_RX_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
GPIO_InitStruct.Alternate = GPIO_AF7_USART2;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
/* USER CODE BEGIN USART2_MspInit 1 */
/* USER CODE END USART2_MspInit 1 */
}
}
void HAL_UART_MspDeInit(UART_HandleTypeDef* uartHandle)
{
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, USART_TX_Pin|USART_RX_Pin);
/* USER CODE BEGIN USART2_MspDeInit 1 */
/* USER CODE END USART2_MspDeInit 1 */
}
}
/* USER CODE BEGIN 1 */
/* USER CODE END 1 */

27
Core/Src/usart.cpp
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@@ -4,6 +4,7 @@
#include <string_view>
#include "pindef.hpp"
#include "stm32f4xx_hal_uart.h"
namespace driver::usart {
@@ -20,9 +21,35 @@ Usart::Usart(USART_TypeDef* usart, uint32_t baudRate, uint32_t wordLength, uint3
.OverSampling = overSampling}} {}
bool Usart::init() {
GPIO_InitTypeDef GPIO_InitStruct = {0};
if (mHandle.Instance == USART2) {
// 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 = USART_TX_Pin | USART_RX_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
GPIO_InitStruct.Alternate = GPIO_AF7_USART2;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
}
return HAL_UART_Init(&mHandle) != HAL_OK;
}
void Usart::deinit() {
if (mHandle.Instance == USART2) {
/* Peripheral clock disable */
__HAL_RCC_USART2_CLK_DISABLE();
HAL_GPIO_DeInit(GPIOA, USART_TX_Pin | USART_RX_Pin);
}
}
void Usart::print(const std::string_view str) {
tx(str);
};

1
cmake/stm32cubemx/CMakeLists.txt
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@@ -22,7 +22,6 @@ target_include_directories(stm32cubemx INTERFACE
target_sources(stm32cubemx INTERFACE
../../Core/Src/gpio.c
../../Core/Src/usart.c
../../Core/Src/stm32f4xx_it.c
../../Core/Src/stm32f4xx_hal_msp.c
../../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_uart.c