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- /* main.c
- *
- * Copyright (C) 2006-2024 wolfSSL Inc.
- *
- * This file is part of wolfSSL.
- *
- * wolfSSL is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * wolfSSL is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
- */
- /* Example for main.c with STM32Cube/wolfssl_example.c */
- #if 0 /* EXAMPLE main.c */
- /* Includes ------------------------------------------------------------------*/
- #include "wolfssl_example.h"
- #include "wolfssl/wolfcrypt/settings.h"
- /* Private variables ---------------------------------------------------------*/
- CRYP_HandleTypeDef hcryp;
- __ALIGN_BEGIN static const uint32_t pKeyCRYP[6] __ALIGN_END = {
- 0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000};
- HASH_HandleTypeDef hhash;
- RNG_HandleTypeDef hrng;
- RTC_HandleTypeDef hrtc;
- UART_HandleTypeDef huart4;
- /* Definitions for defaultTask */
- #ifndef SINGLE_THREADED
- #ifdef CMSIS_OS2_H_
- osThreadId_t defaultTaskHandle;
- const osThreadAttr_t wolfCryptDemo_attributes = {
- .name = "wolfCryptDemo",
- .priority = (osPriority_t) osPriorityNormal,
- .stack_size = WOLF_EXAMPLES_STACK
- };
- #else
- osThreadId defaultTaskHandle;
- #endif
- #endif
- /* Private function prototypes -----------------------------------------------*/
- void SystemClock_Config(void);
- static void MX_GPIO_Init(void);
- static void MX_CRYP_Init(void);
- static void MX_HASH_Init(void);
- static void MX_RNG_Init(void);
- static void MX_UART4_Init(void);
- static void MX_RTC_Init(void);
- /* Retargets the C library printf function to the USART. */
- #include <stdio.h>
- #ifdef __GNUC__
- int __io_putchar(int ch)
- #else
- int fputc(int ch, FILE *f)
- #endif
- {
- HAL_UART_Transmit(&HAL_CONSOLE_UART, (uint8_t *)&ch, 1, 0xFFFF);
- return ch;
- }
- #ifdef __GNUC__
- int _write(int file,char *ptr, int len)
- {
- int DataIdx;
- for (DataIdx= 0; DataIdx< len; DataIdx++) {
- __io_putchar(*ptr++);
- }
- return len;
- }
- #endif
- int main(void)
- {
- /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
- HAL_Init();
- /* Turn off buffers, so I/O occurs immediately */
- setvbuf(stdin, NULL, _IONBF, 0);
- setvbuf(stdout, NULL, _IONBF, 0);
- setvbuf(stderr, NULL, _IONBF, 0);
- /* Configure the system clock */
- SystemClock_Config();
- /* Initialize all configured peripherals */
- MX_GPIO_Init();
- MX_CRYP_Init();
- MX_HASH_Init();
- MX_RNG_Init();
- MX_UART4_Init();
- MX_RTC_Init();
- MX_SPI1_Init();
- MX_UART4_Init();
- #ifdef SINGLE_THREADED
- wolfCryptDemo(NULL);
- #else
- /* Init scheduler */
- osKernelInitialize();
- /* Create the thread(s) */
- /* definition and creation of defaultTask */
- #ifdef CMSIS_OS2_H_
- defaultTaskHandle = osThreadNew(wolfCryptDemo, NULL, &wolfCryptDemo_attributes);
- #else
- osThreadDef(defaultTask, wolfCryptDemo, osPriorityNormal, 0, WOLF_EXAMPLES_STACK);
- defaultTaskHandle = osThreadCreate(osThread(defaultTask), NULL);
- #endif
- /* Start scheduler */
- osKernelStart();
- /* We should never get here as control is now taken by the scheduler */
- /* Infinite loop */
- while (1) {}
- #endif /* SINGLE_THREADED */
- }
- /** System Clock Configuration
- */
- static void SystemClock_Config(void)
- {
- RCC_OscInitTypeDef RCC_OscInitStruct = {0};
- RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
- RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {0};
- /** Configure the main internal regulator output voltage
- */
- __HAL_RCC_PWR_CLK_ENABLE();
- __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
- /** Initializes the CPU, AHB and APB buses clocks
- */
- RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI|RCC_OSCILLATORTYPE_LSI;
- RCC_OscInitStruct.HSIState = RCC_HSI_ON;
- RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
- RCC_OscInitStruct.LSIState = RCC_LSI_ON;
- RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
- RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
- RCC_OscInitStruct.PLL.PLLM = 8;
- RCC_OscInitStruct.PLL.PLLN = 160;
- RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
- RCC_OscInitStruct.PLL.PLLQ = 7;
- if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != 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.APB2CLKDivider = RCC_HCLK_DIV2;
- if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5) != HAL_OK) {
- Error_Handler();
- }
- PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_RTC;
- PeriphClkInitStruct.RTCClockSelection = RCC_RTCCLKSOURCE_LSI;
- if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK) {
- Error_Handler();
- }
- }
- /**
- * @brief CRYP Initialization Function
- * @param None
- * @retval None
- */
- static void MX_CRYP_Init(void)
- {
- hcryp.Instance = CRYP;
- hcryp.Init.DataType = CRYP_DATATYPE_32B;
- hcryp.Init.pKey = (uint32_t *)pKeyCRYP;
- hcryp.Init.Algorithm = CRYP_TDES_ECB;
- hcryp.Init.DataWidthUnit = CRYP_DATAWIDTHUNIT_WORD;
- if (HAL_CRYP_Init(&hcryp) != HAL_OK) {
- Error_Handler();
- }
- }
- /**
- * @brief HASH Initialization Function
- * @param None
- * @retval None
- */
- static void MX_HASH_Init(void)
- {
- hhash.Init.DataType = HASH_DATATYPE_32B;
- if (HAL_HASH_Init(&hhash) != HAL_OK) {
- Error_Handler();
- }
- }
- /**
- * @brief RNG Initialization Function
- * @param None
- * @retval None
- */
- static void MX_RNG_Init(void)
- {
- hrng.Instance = RNG;
- if (HAL_RNG_Init(&hrng) != HAL_OK) {
- Error_Handler();
- }
- }
- /**
- * @brief RTC Initialization Function
- * @param None
- * @retval None
- */
- static void MX_RTC_Init(void)
- {
- RTC_TimeTypeDef sTime = {0};
- RTC_DateTypeDef sDate = {0};
- /* Initialize RTC Only */
- hrtc.Instance = RTC;
- hrtc.Init.HourFormat = RTC_HOURFORMAT_24;
- hrtc.Init.AsynchPrediv = 127;
- hrtc.Init.SynchPrediv = 255;
- hrtc.Init.OutPut = RTC_OUTPUT_DISABLE;
- hrtc.Init.OutPutPolarity = RTC_OUTPUT_POLARITY_HIGH;
- hrtc.Init.OutPutType = RTC_OUTPUT_TYPE_OPENDRAIN;
- if (HAL_RTC_Init(&hrtc) != HAL_OK) {
- Error_Handler();
- }
- /* Initialize RTC and set the Time and Date */
- sTime.Hours = 0x0;
- sTime.Minutes = 0x0;
- sTime.Seconds = 0x0;
- sTime.DayLightSaving = RTC_DAYLIGHTSAVING_NONE;
- sTime.StoreOperation = RTC_STOREOPERATION_RESET;
- if (HAL_RTC_SetTime(&hrtc, &sTime, RTC_FORMAT_BCD) != HAL_OK) {
- Error_Handler();
- }
- sDate.WeekDay = RTC_WEEKDAY_MONDAY;
- sDate.Month = RTC_MONTH_JANUARY;
- sDate.Date = 0x1;
- sDate.Year = 0x0;
- if (HAL_RTC_SetDate(&hrtc, &sDate, RTC_FORMAT_BCD) != HAL_OK) {
- Error_Handler();
- }
- }
- /**
- * @brief UART4 Initialization Function
- * @param None
- * @retval None
- */
- static void MX_UART4_Init(void)
- {
- huart4.Instance = UART4;
- huart4.Init.BaudRate = 115200;
- huart4.Init.WordLength = UART_WORDLENGTH_8B;
- huart4.Init.StopBits = UART_STOPBITS_1;
- huart4.Init.Parity = UART_PARITY_NONE;
- huart4.Init.Mode = UART_MODE_TX_RX;
- huart4.Init.HwFlowCtl = UART_HWCONTROL_NONE;
- huart4.Init.OverSampling = UART_OVERSAMPLING_16;
- if (HAL_UART_Init(&huart4) != HAL_OK) {
- Error_Handler();
- }
- }
- /**
- * @brief GPIO Initialization Function
- * @param None
- * @retval None
- */
- static void MX_GPIO_Init(void)
- {
- /* GPIO Ports Clock Enable */
- __HAL_RCC_GPIOC_CLK_ENABLE();
- }
- /**
- * @brief Period elapsed callback in non blocking mode
- * @note This function is called when TIM1 interrupt took place, inside
- * HAL_TIM_IRQHandler(). It makes a direct call to HAL_IncTick() to increment
- * a global variable "uwTick" used as application time base.
- * @param htim : TIM handle
- * @retval None
- */
- void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim)
- {
- if (htim->Instance == TIM1) {
- HAL_IncTick();
- }
- }
- /**
- * @brief This function is executed in case of error occurrence.
- * @retval None
- */
- void Error_Handler(void)
- {
- /* User can add his own implementation to report the HAL error return state */
- while(1)
- {
- }
- }
- #ifdef USE_FULL_ASSERT
- /**
- * @brief Reports the name of the source file and the source line number
- * where the assert_param error has occurred.
- * @param file: pointer to the source file name
- * @param line: assert_param error line source number
- * @retval None
- */
- void assert_failed(uint8_t *file, uint32_t line)
- {
- /* User can add his own implementation to report the file name and line number,
- tex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
- }
- #endif /* USE_FULL_ASSERT */
- #if 0
- /* Working _sbrk example for .ld based libC malloc/free */
- /* Replace this with one in Core/Src/sysmem.c */
- /* Symbols defined in the linker script */
- extern uint8_t _end;
- extern uint8_t _estack;
- extern uint32_t _Min_Stack_Size;
- void* _sbrk(ptrdiff_t incr)
- {
- static uint8_t* __sbrk_heap_end = NULL;
- const uint32_t stack_limit = (uint32_t)&_estack - (uint32_t)&_Min_Stack_Size;
- const uint8_t* max_heap = (uint8_t *)stack_limit;
- uint8_t* prev_heap_end;
- /* Initialize heap end at first call */
- if (__sbrk_heap_end == NULL) {
- __sbrk_heap_end = &_end;
- }
- /* Protect heap from growing into the reserved MSP stack */
- if (__sbrk_heap_end + incr > max_heap) {
- errno = ENOMEM;
- return (void *)-1;
- }
- prev_heap_end = __sbrk_heap_end;
- __sbrk_heap_end += incr;
- return (void*)prev_heap_end;
- }
- #endif
- #endif /* EXAMPLE main.c */
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