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Make it work

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This commit is contained in:
Attila Body 2025-06-10 21:57:59 +02:00
parent 8e9b69b87a
commit 4e1f01c4d4
Signed by: abody
GPG key ID: BD0C6214E68FB5CF
25 changed files with 772 additions and 180 deletions
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4
.clang-format
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@ -14,6 +14,10 @@ FixNamespaceComments: false
PackConstructorInitializers: Never
AlignAfterOpenBracket: AlwaysBreak
InsertBraces: true
SpaceBeforeParens: Custom
SpaceBeforeParensOptions:
AfterControlStatements: true
AfterFunctionDefinitionName: false
BraceWrapping:
AfterClass: true # false
AfterControlStatement: false

26
.mxproject
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File diff suppressed because one or more lines are too long

19
.vscode/extensions.json vendored Normal file
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@ -0,0 +1,19 @@
{
"recommendations": [
"ms-vscode.cpptools", // (dependencies to ms-vscode.cpptools-extension-pack)
"ms-vscode.cpptools-themes", // (dependencies to ms-vscode.cpptools-extension-pack)
"ms-vscode.cmake-tools", // (dependencies to ms-vscode.cpptools-extension-pack)
"twxs.cmake", // (dependencies to ms-vscode.cpptools-extension-pack)
"ms-vscode.cpptools-extension-pack", // Provides CMake and C++ file coloring, completion & support
"dan-c-underwood.arm", // Provides syntax highlighting for the Arm Assembly language
"zixuanwang.linkerscript", // Provides syntax highlighting for linker scripts
"ms-vscode.hexeditor", // Provides hex editor fo viewing & anipulating files in their raw hexadecimal representation
"trond-snekvik.gnu-mapfiles", // Provides syntax highlighting and symbol listing for GNU linker .map files
"jeff-hykin.better-cpp-syntax", // Provides syntax highlighting for C++
"marus25.cortex-debug", // Provides debug support on Arm Cortex-M
"mcu-debug.debug-tracker-vscode", // Dependencies to "marus25.cortex-debug"
"mcu-debug.memory-view", // Dependencies to "marus25.cortex-debug"
"mcu-debug.peripheral-viewer", // Dependencies to "marus25.cortex-debug"
"mcu-debug.rtos-views" // Dependencies to "marus25.cortex-debug"
]
}

61
.vscode/launch.json vendored Normal file
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@ -0,0 +1,61 @@
{
// Use IntelliSense to learn about possible attributes.
// Hover to view descriptions of existing attributes.
// For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
"version": "0.2.0",
"configurations": [
{
"name": "Build & Debug Microcontroller - ST-Link",
"cwd": "${workspaceFolder}",
"type": "cortex-debug",
"executable": "${command:cmake.launchTargetPath}",
// Let CMake extension decide executable: "${command:cmake.launchTargetPath}"
// Or fixed file path: "${workspaceFolder}/path/to/filename.elf"
"request": "launch",
"servertype": "stlink",
"device": "STM32F446RETx", //MCU used
"interface": "swd",
"serialNumber": "", //Set ST-Link ID if you use multiple at the same time
"runToEntryPoint": "main",
"svdFile": "${config:STM32VSCodeExtension.cubeCLT.path}/STMicroelectronics_CMSIS_SVD/STM32F446.svd",
"v1": false, //Change it depending on ST Link version
"serverpath": "${config:STM32VSCodeExtension.cubeCLT.path}/STLink-gdb-server/bin/ST-LINK_gdbserver",
"stm32cubeprogrammer":"${config:STM32VSCodeExtension.cubeCLT.path}/STM32CubeProgrammer/bin",
"stlinkPath": "${config:STM32VSCodeExtension.cubeCLT.path}/STLink-gdb-server/bin/ST-LINK_gdbserver",
"armToolchainPath": "${config:STM32VSCodeExtension.cubeCLT.path}/GNU-tools-for-STM32/bin",
"gdbPath":"${config:STM32VSCodeExtension.cubeCLT.path}/GNU-tools-for-STM32/bin/arm-none-eabi-gdb",
"serverArgs": [
"-m","0",
],
//"preLaunchTask": "Build + Flash"
/* If you use external loader, add additional arguments */
//"serverArgs": ["--extload", "path/to/ext/loader.stldr"],
},
{
"name": "Attach to Microcontroller - ST-Link",
"cwd": "${workspaceFolder}",
"type": "cortex-debug",
"executable": "${command:cmake.launchTargetPath}",
// Let CMake extension decide executable: "${command:cmake.launchTargetPath}"
// Or fixed file path: "${workspaceFolder}/path/to/filename.elf"
"request": "attach",
"servertype": "stlink",
"device": "STM32F446RETx", //MCU used
"interface": "swd",
"serialNumber": "", //Set ST-Link ID if you use multiple at the same time
"runToEntryPoint": "main",
"svdFile": "${config:STM32VSCodeExtension.cubeCLT.path}/STMicroelectronics_CMSIS_SVD/STM32F446.svd",
"v1": false, //Change it depending on ST Link version
"serverpath": "${config:STM32VSCodeExtension.cubeCLT.path}/STLink-gdb-server/bin/ST-LINK_gdbserver",
"stm32cubeprogrammer":"${config:STM32VSCodeExtension.cubeCLT.path}/STM32CubeProgrammer/bin",
"stlinkPath": "${config:STM32VSCodeExtension.cubeCLT.path}/STLink-gdb-server/bin/ST-LINK_gdbserver",
"armToolchainPath": "${config:STM32VSCodeExtension.cubeCLT.path}/GNU-tools-for-STM32/bin",
"gdbPath":"${config:STM32VSCodeExtension.cubeCLT.path}/GNU-tools-for-STM32/bin/arm-none-eabi-gdb",
"serverArgs": [
"-m","0",
],
/* If you use external loader, add additional arguments */
//"serverArgs": ["--extload", "path/to/ext/loader.stldr"],
}
]
}

62
.vscode/tasks.json vendored Normal file
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@ -0,0 +1,62 @@
{
"version": "2.0.0",
"windows": {
"options": {
"shell": {
"executable": "cmd.exe",
"args": ["/d", "/c"]
}
}
},
"tasks": [
{
"type": "shell",
"label": "CubeProg: Flash project (SWD)",
"command": "STM32_Programmer_CLI",
"args": [
"--connect",
"port=swd",
"--download",
"${command:cmake.launchTargetPath}",
// Let CMake extension decide executable: "${command:cmake.launchTargetPath}",
"-hardRst", // Hardware reset - if rst pin is connected
"-rst", // Software reset (backup)
"--start" // Start execution
],
"options": {
"cwd": "${workspaceFolder}"
},
"problemMatcher": []
},
{
"label": "Build + Flash",
"dependsOrder": "sequence",
"dependsOn": [
"CMake: clean rebuild",
"CubeProg: Flash project (SWD)",
]
},
{
"type": "cmake",
"label": "CMake: clean rebuild",
"command": "cleanRebuild",
"targets": [
"all"
],
"preset": "${command:cmake.activeBuildPresetName}",
"group": "build",
"problemMatcher": [],
"detail": "CMake template clean rebuild task"
},
{
"type": "shell",
"label": "CubeProg: List all available communication interfaces",
"command": "STM32_Programmer_CLI",
"args": ["--list"],
"options": {
"cwd": "${workspaceFolder}"
},
"problemMatcher": []
}
]
}

10
CMakeLists.txt
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@ -32,7 +32,7 @@ project(${CMAKE_PROJECT_NAME})
message("Build type: " ${CMAKE_BUILD_TYPE})
# Enable CMake support for ASM and C languages
enable_language(C ASM)
enable_language(C CXX ASM)
# Create an executable object type
add_executable(${CMAKE_PROJECT_NAME})
@ -40,6 +40,10 @@ add_executable(${CMAKE_PROJECT_NAME})
# Add STM32CubeMX generated sources
add_subdirectory(cmake/stm32cubemx)
add_subdirectory(components/platform)
add_subdirectory(components/f4ll)
add_subdirectory(components/app)
# Link directories setup
target_link_directories(${CMAKE_PROJECT_NAME} PRIVATE
# Add user defined library search paths
@ -65,4 +69,8 @@ target_link_libraries(${CMAKE_PROJECT_NAME}
stm32cubemx
# Add user defined libraries
app
)
# Poor quality LL code from ST
target_compile_options(stm32cubemx INTERFACE -Wno-unused-parameter)

52
Core/Inc/dma.h Normal file
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@ -0,0 +1,52 @@
/* USER CODE BEGIN Header */
/**
******************************************************************************
* @file dma.h
* @brief This file contains all the function prototypes for
* the dma.c file
******************************************************************************
* @attention
*
* Copyright (c) 2025 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 __DMA_H__
#define __DMA_H__
#ifdef __cplusplus
extern "C" {
#endif
/* Includes ------------------------------------------------------------------*/
#include "main.h"
/* DMA memory to memory transfer handles -------------------------------------*/
/* USER CODE BEGIN Includes */
/* USER CODE END Includes */
/* USER CODE BEGIN Private defines */
/* USER CODE END Private defines */
void MX_DMA_Init(void);
/* USER CODE BEGIN Prototypes */
/* USER CODE END Prototypes */
#ifdef __cplusplus
}
#endif
#endif /* __DMA_H__ */

49
Core/Inc/gpio.h Normal file
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@ -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) 2025 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__ */

1
Core/Inc/main.h
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@ -28,6 +28,7 @@ extern "C" {
/* Includes ------------------------------------------------------------------*/
#include "stm32f4xx_hal.h"
#include "stm32f4xx_ll_usart.h"
#include "stm32f4xx_ll_rcc.h"
#include "stm32f4xx_ll_system.h"

3
Core/Inc/stm32f4xx_it.h
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@ -55,6 +55,9 @@ void SVC_Handler(void);
void DebugMon_Handler(void);
void PendSV_Handler(void);
void SysTick_Handler(void);
void DMA1_Stream5_IRQHandler(void);
void DMA1_Stream6_IRQHandler(void);
void USART2_IRQHandler(void);
/* USER CODE BEGIN EFP */
/* USER CODE END EFP */

50
Core/Inc/usart.h Normal file
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@ -0,0 +1,50 @@
/* USER CODE BEGIN Header */
/**
******************************************************************************
* @file usart.h
* @brief This file contains all the function prototypes for
* the usart.c file
******************************************************************************
* @attention
*
* Copyright (c) 2025 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 */
/* USER CODE BEGIN Private defines */
/* USER CODE END Private defines */
void MX_USART2_UART_Init(void);
/* USER CODE BEGIN Prototypes */
/* USER CODE END Prototypes */
#ifdef __cplusplus
}
#endif
#endif /* __USART_H__ */

58
Core/Src/dma.c Normal file
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@ -0,0 +1,58 @@
/* USER CODE BEGIN Header */
/**
******************************************************************************
* @file dma.c
* @brief This file provides code for the configuration
* of all the requested memory to memory DMA transfers.
******************************************************************************
* @attention
*
* Copyright (c) 2025 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 "dma.h"
/* USER CODE BEGIN 0 */
/* USER CODE END 0 */
/*----------------------------------------------------------------------------*/
/* Configure DMA */
/*----------------------------------------------------------------------------*/
/* USER CODE BEGIN 1 */
/* USER CODE END 1 */
/**
* Enable DMA controller clock
*/
void MX_DMA_Init(void)
{
/* DMA controller clock enable */
__HAL_RCC_DMA1_CLK_ENABLE();
/* DMA interrupt init */
/* DMA1_Stream5_IRQn interrupt configuration */
NVIC_SetPriority(DMA1_Stream5_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),0, 0));
NVIC_EnableIRQ(DMA1_Stream5_IRQn);
/* DMA1_Stream6_IRQn interrupt configuration */
NVIC_SetPriority(DMA1_Stream6_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),0, 0));
NVIC_EnableIRQ(DMA1_Stream6_IRQn);
}
/* USER CODE BEGIN 2 */
/* USER CODE END 2 */

85
Core/Src/gpio.c Normal file
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@ -0,0 +1,85 @@
/* USER CODE BEGIN Header */
/**
******************************************************************************
* @file gpio.c
* @brief This file provides code for the configuration
* of all used GPIO pins.
******************************************************************************
* @attention
*
* Copyright (c) 2025 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)
{
LL_EXTI_InitTypeDef EXTI_InitStruct = {0};
LL_GPIO_InitTypeDef GPIO_InitStruct = {0};
/* GPIO Ports Clock Enable */
LL_AHB1_GRP1_EnableClock(LL_AHB1_GRP1_PERIPH_GPIOC);
LL_AHB1_GRP1_EnableClock(LL_AHB1_GRP1_PERIPH_GPIOH);
LL_AHB1_GRP1_EnableClock(LL_AHB1_GRP1_PERIPH_GPIOA);
LL_AHB1_GRP1_EnableClock(LL_AHB1_GRP1_PERIPH_GPIOB);
/**/
LL_GPIO_ResetOutputPin(LD2_GPIO_Port, LD2_Pin);
/**/
LL_SYSCFG_SetEXTISource(LL_SYSCFG_EXTI_PORTC, LL_SYSCFG_EXTI_LINE13);
/**/
EXTI_InitStruct.Line_0_31 = LL_EXTI_LINE_13;
EXTI_InitStruct.LineCommand = ENABLE;
EXTI_InitStruct.Mode = LL_EXTI_MODE_IT;
EXTI_InitStruct.Trigger = LL_EXTI_TRIGGER_FALLING;
LL_EXTI_Init(&EXTI_InitStruct);
/**/
LL_GPIO_SetPinPull(B1_GPIO_Port, B1_Pin, LL_GPIO_PULL_NO);
/**/
LL_GPIO_SetPinMode(B1_GPIO_Port, B1_Pin, LL_GPIO_MODE_INPUT);
/**/
GPIO_InitStruct.Pin = LD2_Pin;
GPIO_InitStruct.Mode = LL_GPIO_MODE_OUTPUT;
GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_LOW;
GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL;
GPIO_InitStruct.Pull = LL_GPIO_PULL_NO;
LL_GPIO_Init(LD2_GPIO_Port, &GPIO_InitStruct);
}
/* USER CODE BEGIN 2 */
/* USER CODE END 2 */

126
Core/Src/main.c
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@ -18,9 +18,13 @@
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "dma.h"
#include "usart.h"
#include "gpio.h"
/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include <app.h>
/* USER CODE END Includes */
@ -47,8 +51,6 @@
/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
static void MX_GPIO_Init(void);
static void MX_USART2_UART_Init(void);
/* USER CODE BEGIN PFP */
/* USER CODE END PFP */
@ -87,9 +89,10 @@ int main(void)
/* Initialize all configured peripherals */
MX_GPIO_Init();
MX_DMA_Init();
MX_USART2_UART_Init();
/* USER CODE BEGIN 2 */
app_main();
/* USER CODE END 2 */
/* Infinite loop */
@ -115,7 +118,7 @@ void SystemClock_Config(void)
/** Configure the main internal regulator output voltage
*/
__HAL_RCC_PWR_CLK_ENABLE();
__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE3);
/** Initializes the RCC Oscillators according to the specified parameters
* in the RCC_OscInitTypeDef structure.
@ -126,7 +129,7 @@ void SystemClock_Config(void)
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
RCC_OscInitStruct.PLL.PLLM = 8;
RCC_OscInitStruct.PLL.PLLN = 180;
RCC_OscInitStruct.PLL.PLLN = 84;
RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
RCC_OscInitStruct.PLL.PLLQ = 2;
RCC_OscInitStruct.PLL.PLLR = 2;
@ -135,130 +138,21 @@ void SystemClock_Config(void)
Error_Handler();
}
/** Activate the Over-Drive mode
*/
if (HAL_PWREx_EnableOverDrive() != HAL_OK)
{
Error_Handler();
}
/** 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;
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4;
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5) != HAL_OK)
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
{
Error_Handler();
}
}
/**
* @brief USART2 Initialization Function
* @param None
* @retval None
*/
static void MX_USART2_UART_Init(void)
{
/* USER CODE BEGIN USART2_Init 0 */
/* USER CODE END USART2_Init 0 */
LL_USART_InitTypeDef USART_InitStruct = {0};
LL_GPIO_InitTypeDef GPIO_InitStruct = {0};
/* Peripheral clock enable */
LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_USART2);
LL_AHB1_GRP1_EnableClock(LL_AHB1_GRP1_PERIPH_GPIOA);
/**USART2 GPIO Configuration
PA2 ------> USART2_TX
PA3 ------> USART2_RX
*/
GPIO_InitStruct.Pin = USART_TX_Pin|USART_RX_Pin;
GPIO_InitStruct.Mode = LL_GPIO_MODE_ALTERNATE;
GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL;
GPIO_InitStruct.Pull = LL_GPIO_PULL_NO;
GPIO_InitStruct.Alternate = LL_GPIO_AF_7;
LL_GPIO_Init(GPIOA, &GPIO_InitStruct);
/* USER CODE BEGIN USART2_Init 1 */
/* USER CODE END USART2_Init 1 */
USART_InitStruct.BaudRate = 115200;
USART_InitStruct.DataWidth = LL_USART_DATAWIDTH_8B;
USART_InitStruct.StopBits = LL_USART_STOPBITS_1;
USART_InitStruct.Parity = LL_USART_PARITY_NONE;
USART_InitStruct.TransferDirection = LL_USART_DIRECTION_TX_RX;
USART_InitStruct.HardwareFlowControl = LL_USART_HWCONTROL_NONE;
USART_InitStruct.OverSampling = LL_USART_OVERSAMPLING_16;
LL_USART_Init(USART2, &USART_InitStruct);
LL_USART_ConfigAsyncMode(USART2);
LL_USART_Enable(USART2);
/* USER CODE BEGIN USART2_Init 2 */
/* USER CODE END USART2_Init 2 */
}
/**
* @brief GPIO Initialization Function
* @param None
* @retval None
*/
static void MX_GPIO_Init(void)
{
LL_EXTI_InitTypeDef EXTI_InitStruct = {0};
LL_GPIO_InitTypeDef GPIO_InitStruct = {0};
/* USER CODE BEGIN MX_GPIO_Init_1 */
/* USER CODE END MX_GPIO_Init_1 */
/* GPIO Ports Clock Enable */
LL_AHB1_GRP1_EnableClock(LL_AHB1_GRP1_PERIPH_GPIOC);
LL_AHB1_GRP1_EnableClock(LL_AHB1_GRP1_PERIPH_GPIOH);
LL_AHB1_GRP1_EnableClock(LL_AHB1_GRP1_PERIPH_GPIOA);
LL_AHB1_GRP1_EnableClock(LL_AHB1_GRP1_PERIPH_GPIOB);
/**/
LL_GPIO_ResetOutputPin(LD2_GPIO_Port, LD2_Pin);
/**/
LL_SYSCFG_SetEXTISource(LL_SYSCFG_EXTI_PORTC, LL_SYSCFG_EXTI_LINE13);
/**/
EXTI_InitStruct.Line_0_31 = LL_EXTI_LINE_13;
EXTI_InitStruct.LineCommand = ENABLE;
EXTI_InitStruct.Mode = LL_EXTI_MODE_IT;
EXTI_InitStruct.Trigger = LL_EXTI_TRIGGER_FALLING;
LL_EXTI_Init(&EXTI_InitStruct);
/**/
LL_GPIO_SetPinPull(B1_GPIO_Port, B1_Pin, LL_GPIO_PULL_NO);
/**/
LL_GPIO_SetPinMode(B1_GPIO_Port, B1_Pin, LL_GPIO_MODE_INPUT);
/**/
GPIO_InitStruct.Pin = LD2_Pin;
GPIO_InitStruct.Mode = LL_GPIO_MODE_OUTPUT;
GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_LOW;
GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL;
GPIO_InitStruct.Pull = LL_GPIO_PULL_NO;
LL_GPIO_Init(LD2_GPIO_Port, &GPIO_InitStruct);
/* USER CODE BEGIN MX_GPIO_Init_2 */
/* USER CODE END MX_GPIO_Init_2 */
}
/* USER CODE BEGIN 4 */
/* USER CODE END 4 */

44
Core/Src/stm32f4xx_it.c
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@ -22,6 +22,8 @@
#include "stm32f4xx_it.h"
/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include <irq_bridge.h>
/* USER CODE END Includes */
/* Private typedef -----------------------------------------------------------*/
@ -198,6 +200,48 @@ void SysTick_Handler(void)
/* please refer to the startup file (startup_stm32f4xx.s). */
/******************************************************************************/
/**
* @brief This function handles DMA1 stream5 global interrupt.
*/
void DMA1_Stream5_IRQHandler(void)
{
/* USER CODE BEGIN DMA1_Stream5_IRQn 0 */
usart2_rx_dma_isr();
/* USER CODE END DMA1_Stream5_IRQn 0 */
/* USER CODE BEGIN DMA1_Stream5_IRQn 1 */
/* USER CODE END DMA1_Stream5_IRQn 1 */
}
/**
* @brief This function handles DMA1 stream6 global interrupt.
*/
void DMA1_Stream6_IRQHandler(void)
{
/* USER CODE BEGIN DMA1_Stream6_IRQn 0 */
usart2_tx_dma_isr();
/* USER CODE END DMA1_Stream6_IRQn 0 */
/* USER CODE BEGIN DMA1_Stream6_IRQn 1 */
/* USER CODE END DMA1_Stream6_IRQn 1 */
}
/**
* @brief This function handles USART2 global interrupt.
*/
void USART2_IRQHandler(void)
{
/* USER CODE BEGIN USART2_IRQn 0 */
usart2_isr();
/* USER CODE END USART2_IRQn 0 */
/* USER CODE BEGIN USART2_IRQn 1 */
/* USER CODE END USART2_IRQn 1 */
}
/* USER CODE BEGIN 1 */
/* USER CODE END 1 */

121
Core/Src/usart.c Normal file
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@ -0,0 +1,121 @@
/* USER CODE BEGIN Header */
/**
******************************************************************************
* @file usart.c
* @brief This file provides code for the configuration
* of the USART instances.
******************************************************************************
* @attention
*
* Copyright (c) 2025 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 */
/* USART2 init function */
void MX_USART2_UART_Init(void)
{
/* USER CODE BEGIN USART2_Init 0 */
/* USER CODE END USART2_Init 0 */
LL_USART_InitTypeDef USART_InitStruct = {0};
LL_GPIO_InitTypeDef GPIO_InitStruct = {0};
/* Peripheral clock enable */
LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_USART2);
LL_AHB1_GRP1_EnableClock(LL_AHB1_GRP1_PERIPH_GPIOA);
/**USART2 GPIO Configuration
PA2 ------> USART2_TX
PA3 ------> USART2_RX
*/
GPIO_InitStruct.Pin = USART_TX_Pin|USART_RX_Pin;
GPIO_InitStruct.Mode = LL_GPIO_MODE_ALTERNATE;
GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL;
GPIO_InitStruct.Pull = LL_GPIO_PULL_NO;
GPIO_InitStruct.Alternate = LL_GPIO_AF_7;
LL_GPIO_Init(GPIOA, &GPIO_InitStruct);
/* USART2 DMA Init */
/* USART2_RX Init */
LL_DMA_SetChannelSelection(DMA1, LL_DMA_STREAM_5, LL_DMA_CHANNEL_4);
LL_DMA_SetDataTransferDirection(DMA1, LL_DMA_STREAM_5, LL_DMA_DIRECTION_PERIPH_TO_MEMORY);
LL_DMA_SetStreamPriorityLevel(DMA1, LL_DMA_STREAM_5, LL_DMA_PRIORITY_LOW);
LL_DMA_SetMode(DMA1, LL_DMA_STREAM_5, LL_DMA_MODE_NORMAL);
LL_DMA_SetPeriphIncMode(DMA1, LL_DMA_STREAM_5, LL_DMA_PERIPH_NOINCREMENT);
LL_DMA_SetMemoryIncMode(DMA1, LL_DMA_STREAM_5, LL_DMA_MEMORY_INCREMENT);
LL_DMA_SetPeriphSize(DMA1, LL_DMA_STREAM_5, LL_DMA_PDATAALIGN_BYTE);
LL_DMA_SetMemorySize(DMA1, LL_DMA_STREAM_5, LL_DMA_MDATAALIGN_BYTE);
LL_DMA_DisableFifoMode(DMA1, LL_DMA_STREAM_5);
/* USART2_TX Init */
LL_DMA_SetChannelSelection(DMA1, LL_DMA_STREAM_6, LL_DMA_CHANNEL_4);
LL_DMA_SetDataTransferDirection(DMA1, LL_DMA_STREAM_6, LL_DMA_DIRECTION_MEMORY_TO_PERIPH);
LL_DMA_SetStreamPriorityLevel(DMA1, LL_DMA_STREAM_6, LL_DMA_PRIORITY_LOW);
LL_DMA_SetMode(DMA1, LL_DMA_STREAM_6, LL_DMA_MODE_NORMAL);
LL_DMA_SetPeriphIncMode(DMA1, LL_DMA_STREAM_6, LL_DMA_PERIPH_NOINCREMENT);
LL_DMA_SetMemoryIncMode(DMA1, LL_DMA_STREAM_6, LL_DMA_MEMORY_INCREMENT);
LL_DMA_SetPeriphSize(DMA1, LL_DMA_STREAM_6, LL_DMA_PDATAALIGN_BYTE);
LL_DMA_SetMemorySize(DMA1, LL_DMA_STREAM_6, LL_DMA_MDATAALIGN_BYTE);
LL_DMA_DisableFifoMode(DMA1, LL_DMA_STREAM_6);
/* USART2 interrupt Init */
NVIC_SetPriority(USART2_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),0, 0));
NVIC_EnableIRQ(USART2_IRQn);
/* USER CODE BEGIN USART2_Init 1 */
/* USER CODE END USART2_Init 1 */
USART_InitStruct.BaudRate = 115200;
USART_InitStruct.DataWidth = LL_USART_DATAWIDTH_8B;
USART_InitStruct.StopBits = LL_USART_STOPBITS_1;
USART_InitStruct.Parity = LL_USART_PARITY_NONE;
USART_InitStruct.TransferDirection = LL_USART_DIRECTION_TX_RX;
USART_InitStruct.HardwareFlowControl = LL_USART_HWCONTROL_NONE;
USART_InitStruct.OverSampling = LL_USART_OVERSAMPLING_16;
LL_USART_Init(USART2, &USART_InitStruct);
LL_USART_ConfigAsyncMode(USART2);
LL_USART_Enable(USART2);
/* USER CODE BEGIN USART2_Init 2 */
/* USER CODE END USART2_Init 2 */
}
/* USER CODE BEGIN 1 */
/* USER CODE END 1 */

3
cmake/stm32cubemx/CMakeLists.txt
View file

@ -21,6 +21,9 @@ set(MX_Include_Dirs
# STM32CubeMX generated application sources
set(MX_Application_Src
${CMAKE_SOURCE_DIR}/Core/Src/main.c
${CMAKE_SOURCE_DIR}/Core/Src/gpio.c
${CMAKE_SOURCE_DIR}/Core/Src/dma.c
${CMAKE_SOURCE_DIR}/Core/Src/usart.c
${CMAKE_SOURCE_DIR}/Core/Src/stm32f4xx_it.c
${CMAKE_SOURCE_DIR}/Core/Src/stm32f4xx_hal_msp.c
${CMAKE_SOURCE_DIR}/Core/Src/sysmem.c

10
components/app/CMakeLists.txt Normal file
View file

@ -0,0 +1,10 @@
add_library(app STATIC
src/app.cpp
src/irq_bridge.cpp
)
target_include_directories(app PUBLIC
${CMAKE_CURRENT_SOURCE_DIR}/inc
)
target_link_libraries(app PUBLIC stm32cubemx platform f4ll)

2
components/app/inc/application.h → components/app/inc/app.h
View file

@ -14,7 +14,7 @@
extern "C" {
#endif
void MainLoop(void) __attribute__((noreturn));
void app_main(void) __attribute__((noreturn));
#ifdef __cplusplus
} // extern "C" {

13
components/app/inc/irq_bridge.h Normal file
View file

@ -0,0 +1,13 @@
#pragma once
#if defined(__cplusplus)
extern "C" {
#endif
void usart2_rx_dma_isr(void);
void usart2_tx_dma_isr(void);
void usart2_isr(void);
#if defined(__cplusplus)
}
#endif

26
components/app/src/app.cpp Normal file
View file

@ -0,0 +1,26 @@
/*
* ll_testbed.cpp
*
* Created on: Oct 28, 2019
* Author: abody
*/
#include "stm32f4xx_hal.h"
#include "stm32f4xx_ll_gpio.h"
#include <main.h>
#include <f4ll/console_handler.h>
#include <stdlib.h>
#include <string.h>
#include <app.h>
void app_main()
{
f4ll::console_handler &con = f4ll::console_handler::init(USART2, DMA1, LL_DMA_STREAM_5, LL_DMA_STREAM_6);
while (true) {
con.print("Hello woooooooooooooooooooooooooooooooorld!\n");
HAL_Delay(500);
LL_GPIO_TogglePin(LD2_GPIO_Port, LD2_Pin);
}
}

22
components/app/src/application.cpp
View file

@ -1,22 +0,0 @@
/*
* ll_testbed.cpp
*
* Created on: Oct 28, 2019
* Author: abody
*/
#include "f4ll/console_handler.h"
#include "f4ll/crc_handler.h"
#include "f4ll/irq_lock.h"
#include "f4ll/memcpy_dma.h"
#include "f4ll/packet_usart.h"
#include "f4ll/str_util.h"
#include <stdlib.h>
#include <string.h>
#include <main.h>
void MainLoop()
{
while (true)
;
}

18
components/app/src/irq_bridge.cpp Normal file
View file

@ -0,0 +1,18 @@
#include <f4ll/console_handler.h>
#include <irq_bridge.h>
void usart2_rx_dma_isr(void)
{
f4ll::console_handler::instance().rx_dma_isr();
}
void usart2_tx_dma_isr(void)
{
f4ll::console_handler::instance().tx_dma_isr();
}
void usart2_isr(void)
{
f4ll::console_handler::instance().usart_isr();
}

2
components/platform/platform/usart_ll.h
View file

@ -1,6 +1,6 @@
#ifndef __PLATFORM_USART_LL_H_INCLUDED
#define __PLATFORM_USART_LL_H_INCLUDED
#include "usart.h"
#include <usart.h>
#endif // __PLATFORM_USART_LL_H_INCLUDED

85
nucleo_f446re_playground.ioc
View file

@ -2,15 +2,39 @@
CAD.formats=
CAD.pinconfig=
CAD.provider=
Dma.Request0=USART2_RX
Dma.Request1=USART2_TX
Dma.RequestsNb=2
Dma.USART2_RX.0.Direction=DMA_PERIPH_TO_MEMORY
Dma.USART2_RX.0.FIFOMode=DMA_FIFOMODE_DISABLE
Dma.USART2_RX.0.Instance=DMA1_Stream5
Dma.USART2_RX.0.MemDataAlignment=DMA_MDATAALIGN_BYTE
Dma.USART2_RX.0.MemInc=DMA_MINC_ENABLE
Dma.USART2_RX.0.Mode=DMA_NORMAL
Dma.USART2_RX.0.PeriphDataAlignment=DMA_PDATAALIGN_BYTE
Dma.USART2_RX.0.PeriphInc=DMA_PINC_DISABLE
Dma.USART2_RX.0.Priority=DMA_PRIORITY_LOW
Dma.USART2_RX.0.RequestParameters=Instance,Direction,PeriphInc,MemInc,PeriphDataAlignment,MemDataAlignment,Mode,Priority,FIFOMode
Dma.USART2_TX.1.Direction=DMA_MEMORY_TO_PERIPH
Dma.USART2_TX.1.FIFOMode=DMA_FIFOMODE_DISABLE
Dma.USART2_TX.1.Instance=DMA1_Stream6
Dma.USART2_TX.1.MemDataAlignment=DMA_MDATAALIGN_BYTE
Dma.USART2_TX.1.MemInc=DMA_MINC_ENABLE
Dma.USART2_TX.1.Mode=DMA_NORMAL
Dma.USART2_TX.1.PeriphDataAlignment=DMA_PDATAALIGN_BYTE
Dma.USART2_TX.1.PeriphInc=DMA_PINC_DISABLE
Dma.USART2_TX.1.Priority=DMA_PRIORITY_LOW
Dma.USART2_TX.1.RequestParameters=Instance,Direction,PeriphInc,MemInc,PeriphDataAlignment,MemDataAlignment,Mode,Priority,FIFOMode
File.Version=6
KeepUserPlacement=false
Mcu.CPN=STM32F446RET6
Mcu.Family=STM32F4
Mcu.IP0=NVIC
Mcu.IP1=RCC
Mcu.IP2=SYS
Mcu.IP3=USART2
Mcu.IPNb=4
Mcu.IP0=DMA
Mcu.IP1=NVIC
Mcu.IP2=RCC
Mcu.IP3=SYS
Mcu.IP4=USART2
Mcu.IPNb=5
Mcu.Name=STM32F446R(C-E)Tx
Mcu.Package=LQFP64
Mcu.Pin0=PC13
@ -32,6 +56,8 @@ Mcu.UserName=STM32F446RETx
MxCube.Version=6.14.1
MxDb.Version=DB.6.0.141
NVIC.BusFault_IRQn=true\:0\:0\:false\:false\:true\:true\:false\:false
NVIC.DMA1_Stream5_IRQn=true\:0\:0\:false\:false\:true\:false\:true\:true
NVIC.DMA1_Stream6_IRQn=true\:0\:0\:false\:false\:true\:false\:true\:true
NVIC.DebugMonitor_IRQn=true\:0\:0\:false\:false\:true\:true\:false\:false
NVIC.ForceEnableDMAVector=true
NVIC.HardFault_IRQn=true\:0\:0\:false\:false\:true\:true\:false\:false
@ -41,6 +67,7 @@ NVIC.PendSV_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false
NVIC.PriorityGroup=NVIC_PRIORITYGROUP_0
NVIC.SVCall_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false
NVIC.SysTick_IRQn=true\:0\:0\:true\:false\:true\:true\:true\:false
NVIC.USART2_IRQn=true\:0\:0\:false\:false\:true\:true\:true\:true
NVIC.UsageFault_IRQn=true\:0\:0\:false\:false\:true\:true\:false\:false
PA13.GPIOParameters=GPIO_Label
PA13.GPIO_Label=TMS
@ -94,7 +121,7 @@ ProjectManager.BackupPrevious=false
ProjectManager.CompilerLinker=GCC
ProjectManager.CompilerOptimize=6
ProjectManager.ComputerToolchain=false
ProjectManager.CoupleFile=false
ProjectManager.CoupleFile=true
ProjectManager.CustomerFirmwarePackage=
ProjectManager.DefaultFWLocation=true
ProjectManager.DeletePrevious=true
@ -120,54 +147,54 @@ ProjectManager.ToolChainLocation=
ProjectManager.UAScriptAfterPath=
ProjectManager.UAScriptBeforePath=
ProjectManager.UnderRoot=false
ProjectManager.functionlistsort=1-SystemClock_Config-RCC-false-HAL-false,2-MX_GPIO_Init-GPIO-false-LL-true,3-MX_USART2_UART_Init-USART2-false-LL-true
ProjectManager.functionlistsort=1-SystemClock_Config-RCC-false-HAL-false,2-MX_GPIO_Init-GPIO-false-LL-true,3-MX_DMA_Init-DMA-false-HAL-true,4-MX_USART2_UART_Init-USART2-false-LL-true
RCC.48MHZClocksFreq_Value=84000000
RCC.AHBFreq_Value=180000000
RCC.APB1CLKDivider=RCC_HCLK_DIV4
RCC.APB1Freq_Value=45000000
RCC.APB1TimFreq_Value=90000000
RCC.AHBFreq_Value=84000000
RCC.APB1CLKDivider=RCC_HCLK_DIV2
RCC.APB1Freq_Value=42000000
RCC.APB1TimFreq_Value=84000000
RCC.APB2CLKDivider=RCC_HCLK_DIV2
RCC.APB2Freq_Value=90000000
RCC.APB2TimFreq_Value=180000000
RCC.APB2Freq_Value=42000000
RCC.APB2TimFreq_Value=84000000
RCC.CECFreq_Value=32786.88524590164
RCC.CortexFreq_Value=180000000
RCC.CortexFreq_Value=84000000
RCC.EthernetFreq_Value=84000000
RCC.FCLKCortexFreq_Value=180000000
RCC.FLatency-AdvancedSettings=FLASH_LATENCY_5
RCC.FMPI2C1Freq_Value=45000000
RCC.FCLKCortexFreq_Value=84000000
RCC.FLatency-AdvancedSettings=FLASH_LATENCY_2
RCC.FMPI2C1Freq_Value=42000000
RCC.FamilyName=M
RCC.HCLKFreq_Value=180000000
RCC.HCLKFreq_Value=84000000
RCC.HSE_VALUE=8000000
RCC.HSI_VALUE=16000000
RCC.I2SClocksFreq_Value=96000000
RCC.IPParameters=48MHZClocksFreq_Value,AHBFreq_Value,APB1CLKDivider,APB1Freq_Value,APB1TimFreq_Value,APB2CLKDivider,APB2Freq_Value,APB2TimFreq_Value,CECFreq_Value,CortexFreq_Value,EthernetFreq_Value,FCLKCortexFreq_Value,FLatency-AdvancedSettings,FMPI2C1Freq_Value,FamilyName,HCLKFreq_Value,HSE_VALUE,HSI_VALUE,I2SClocksFreq_Value,LSI_VALUE,MCO2PinFreq_Value,PLLCLKFreq_Value,PLLI2SPCLKFreq_Value,PLLI2SQCLKFreq_Value,PLLI2SRCLKFreq_Value,PLLM,PLLN,PLLQCLKFreq_Value,PLLRCLKFreq_Value,PLLSAIPCLKFreq_Value,PLLSAIQCLKFreq_Value,PWRFreq_Value,RTCFreq_Value,RTCHSEDivFreq_Value,SAIAFreq_Value,SAIBFreq_Value,SDIOFreq_Value,SPDIFRXFreq_Value,SYSCLKFreq_VALUE,SYSCLKSource,USBFreq_Value,VCOI2SInputFreq_Value,VCOI2SOutputFreq_Value,VCOInputFreq_Value,VCOInputMFreq_Value,VCOOutputFreq_Value,VCOSAIInputFreq_Value,VCOSAIOutputFreq_Value,VcooutputI2S
RCC.LSI_VALUE=32000
RCC.MCO2PinFreq_Value=180000000
RCC.PLLCLKFreq_Value=180000000
RCC.MCO2PinFreq_Value=84000000
RCC.PLLCLKFreq_Value=84000000
RCC.PLLI2SPCLKFreq_Value=96000000
RCC.PLLI2SQCLKFreq_Value=96000000
RCC.PLLI2SRCLKFreq_Value=96000000
RCC.PLLM=8
RCC.PLLN=180
RCC.PLLQCLKFreq_Value=180000000
RCC.PLLRCLKFreq_Value=180000000
RCC.PLLN=84
RCC.PLLQCLKFreq_Value=84000000
RCC.PLLRCLKFreq_Value=84000000
RCC.PLLSAIPCLKFreq_Value=96000000
RCC.PLLSAIQCLKFreq_Value=96000000
RCC.PWRFreq_Value=180000000
RCC.PWRFreq_Value=84000000
RCC.RTCFreq_Value=32000
RCC.RTCHSEDivFreq_Value=4000000
RCC.SAIAFreq_Value=96000000
RCC.SAIBFreq_Value=96000000
RCC.SDIOFreq_Value=180000000
RCC.SPDIFRXFreq_Value=180000000
RCC.SYSCLKFreq_VALUE=180000000
RCC.SDIOFreq_Value=84000000
RCC.SPDIFRXFreq_Value=84000000
RCC.SYSCLKFreq_VALUE=84000000
RCC.SYSCLKSource=RCC_SYSCLKSOURCE_PLLCLK
RCC.USBFreq_Value=180000000
RCC.USBFreq_Value=84000000
RCC.VCOI2SInputFreq_Value=1000000
RCC.VCOI2SOutputFreq_Value=192000000
RCC.VCOInputFreq_Value=2000000
RCC.VCOInputMFreq_Value=1000000
RCC.VCOOutputFreq_Value=360000000
RCC.VCOOutputFreq_Value=168000000
RCC.VCOSAIInputFreq_Value=1000000
RCC.VCOSAIOutputFreq_Value=192000000
RCC.VcooutputI2S=96000000