/* USER CODE BEGIN Header */ /** ****************************************************************************** * @file : main.c * @brief : Main program body ****************************************************************************** * @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 "main.h" /* Private includes ----------------------------------------------------------*/ /* USER CODE BEGIN Includes */ /* USER CODE END Includes */ /* Private typedef -----------------------------------------------------------*/ /* USER CODE BEGIN PTD */ /* USER CODE END PTD */ /* Private define ------------------------------------------------------------*/ /* USER CODE BEGIN PD */ #define SIZE 1024*32 #define SDRAM_TIMEOUT ((uint32_t)0xFFFF) #define REFRESH_COUNT ((uint32_t)0x0603) #define SDRAM_MODEREG_BURST_LENGTH_1 ((uint16_t)0x0000) #define SDRAM_MODEREG_BURST_LENGTH_2 ((uint16_t)0x0001) #define SDRAM_MODEREG_BURST_LENGTH_4 ((uint16_t)0x0002) #define SDRAM_MODEREG_BURST_LENGTH_8 ((uint16_t)0x0004) #define SDRAM_MODEREG_BURST_TYPE_SEQUENTIAL ((uint16_t)0x0000) #define SDRAM_MODEREG_BURST_TYPE_INTERLEAVED ((uint16_t)0x0008) #define SDRAM_MODEREG_CAS_LATENCY_2 ((uint16_t)0x0020) #define SDRAM_MODEREG_CAS_LATENCY_3 ((uint16_t)0x0030) #define SDRAM_MODEREG_OPERATING_MODE_STANDARD ((uint16_t)0x0000) #define SDRAM_MODEREG_WRITEBURST_MODE_PROGRAMMED ((uint16_t)0x0000) #define SDRAM_MODEREG_WRITEBURST_MODE_SINGLE ((uint16_t)0x0200) /* USER CODE END PD */ /* Private macro -------------------------------------------------------------*/ /* USER CODE BEGIN PM */ /* USER CODE END PM */ /* Private variables ---------------------------------------------------------*/ /* USER CODE BEGIN PV */ GPIO_PinState pinstate; UART_HandleTypeDef uart = {0}; DMA_HandleTypeDef dma1_stream0 = {0}; volatile unsigned int abstime_ms = 0; volatile unsigned int zakasnitev = 500; volatile uint8_t sporocilo[10]; extern volatile uint8_t sprejeto; uint8_t buffer[] = "LED 1 ON"; uint8_t izvor[SIZE]; uint8_t ponor[SIZE]; /* USER CODE END PV */ /* Private function prototypes -----------------------------------------------*/ void SystemClock_Config(void); /* USER CODE BEGIN PFP */ void myDelay(unsigned int zakasnitev); void start_timer(); void stop_timer(); uint32_t get_time(); /* USER CODE END PFP */ /* Private user code ---------------------------------------------------------*/ /* USER CODE BEGIN 0 */ static void SDRAM_Initialization_Sequence(SDRAM_HandleTypeDef *hsdram) { FMC_SDRAM_CommandTypeDef command; __IO uint32_t tmpmrd =0; // 1. vklopimo uro command.CommandMode = FMC_SDRAM_CMD_CLK_ENABLE; command.CommandTarget = FMC_SDRAM_CMD_TARGET_BANK2; command.AutoRefreshNumber = 1; command.ModeRegisterDefinition = 0; HAL_SDRAM_SendCommand(hsdram, &command, SDRAM_TIMEOUT); // pocakamo 100 us HAL_Delay(1); // posljemo precharge all ukaz command.CommandMode = FMC_SDRAM_CMD_PALL; command.CommandTarget = FMC_SDRAM_CMD_TARGET_BANK2; command.AutoRefreshNumber = 1; command.ModeRegisterDefinition = 0; HAL_SDRAM_SendCommand(hsdram, &command, SDRAM_TIMEOUT); // posljemo auto refresh ukaz(e) command.CommandMode = FMC_SDRAM_CMD_AUTOREFRESH_MODE; command.CommandTarget = FMC_SDRAM_CMD_TARGET_BANK2; command.AutoRefreshNumber = 8; command.ModeRegisterDefinition = 0; HAL_SDRAM_SendCommand(hsdram, &command, SDRAM_TIMEOUT); // nastavimo mode register SDRAMa tmpmrd = (uint32_t)SDRAM_MODEREG_BURST_LENGTH_1 | SDRAM_MODEREG_BURST_TYPE_SEQUENTIAL | SDRAM_MODEREG_CAS_LATENCY_3 | SDRAM_MODEREG_OPERATING_MODE_STANDARD | SDRAM_MODEREG_WRITEBURST_MODE_SINGLE; command.CommandMode = FMC_SDRAM_CMD_LOAD_MODE; command.CommandTarget = FMC_SDRAM_CMD_TARGET_BANK2; command.AutoRefreshNumber = 1; command.ModeRegisterDefinition = tmpmrd; HAL_SDRAM_SendCommand(hsdram, &command, SDRAM_TIMEOUT); // nastavimo stevec osvezevanja HAL_SDRAM_ProgramRefreshRate(hsdram, REFRESH_COUNT); } /* USER CODE END 0 */ /** * @brief The application entry point. * @retval int */ 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 */ /* USER CODE BEGIN 2 */ __HAL_RCC_GPIOB_CLK_ENABLE(); GPIO_InitTypeDef init_structure; init_structure.Pin = GPIO_PIN_10 | GPIO_PIN_11; init_structure.Mode = GPIO_MODE_AF_PP; init_structure.Pull = GPIO_NOPULL; init_structure.Speed = GPIO_SPEED_FREQ_LOW; init_structure.Alternate = GPIO_AF7_USART3; HAL_GPIO_Init(GPIOB, &init_structure); __HAL_RCC_USART3_CLK_ENABLE(); uart.Instance = USART3; uart.Init.BaudRate = 115200; uart.Init.WordLength = UART_WORDLENGTH_8B; uart.Init.StopBits = UART_STOPBITS_1; uart.Init.Parity = UART_PARITY_NONE; uart.Init.Mode = UART_MODE_TX_RX; uart.Init.HwFlowCtl = UART_HWCONTROL_NONE; HAL_UART_Init(&uart); // Prekini me, ko RDR Not empty: __HAL_UART_ENABLE_IT(&uart, UART_IT_RXNE); // Omogoči prekinitve iz UART3 na NVIC: HAL_NVIC_SetPriority(USART3_IRQn, 12, 0); HAL_NVIC_EnableIRQ(USART3_IRQn); HAL_GPIO_WritePin(GPIOD, GPIO_PIN_3, GPIO_PIN_RESET); HAL_GPIO_WritePin(GPIOD, GPIO_PIN_3, GPIO_PIN_SET); HAL_GPIO_WritePin(GPIOI, GPIO_PIN_13, GPIO_PIN_RESET); HAL_GPIO_WritePin(GPIOI, GPIO_PIN_13, GPIO_PIN_SET); pinstate = GPIO_PIN_SET; for(int i=0; i