296 lines
8.0 KiB
C
296 lines
8.0 KiB
C
/* USER CODE BEGIN Header */
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/**
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******************************************************************************
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* @file : main.c
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* @brief : Main program body
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2024 STMicroelectronics.
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* All rights reserved.
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*
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* This software is licensed under terms that can be found in the LICENSE file
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* in the root directory of this software component.
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* If no LICENSE file comes with this software, it is provided AS-IS.
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*
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******************************************************************************
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*/
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/* USER CODE END Header */
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/* Includes ------------------------------------------------------------------*/
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#include "main.h"
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#include "lwip.h"
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/* Private includes ----------------------------------------------------------*/
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/* USER CODE BEGIN Includes */
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/* USER CODE END Includes */
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/* Private typedef -----------------------------------------------------------*/
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/* USER CODE BEGIN PTD */
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/* USER CODE END PTD */
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/* Private define ------------------------------------------------------------*/
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/* USER CODE BEGIN PD */
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/* USER CODE END PD */
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/* Private macro -------------------------------------------------------------*/
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/* USER CODE BEGIN PM */
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/* USER CODE END PM */
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/* Private variables ---------------------------------------------------------*/
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SRAM_HandleTypeDef hsram1;
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/* USER CODE BEGIN PV */
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/* USER CODE END PV */
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/* Private function prototypes -----------------------------------------------*/
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void SystemClock_Config(void);
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static void MX_GPIO_Init(void);
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static void MX_FMC_Init(void);
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/* USER CODE BEGIN PFP */
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void write_isa(uint16_t addr, uint16_t data);
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uint16_t read_isa(uint16_t addr);
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/* USER CODE END PFP */
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/* Private user code ---------------------------------------------------------*/
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/* USER CODE BEGIN 0 */
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/* USER CODE END 0 */
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/**
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* @brief The application entry point.
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* @retval int
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*/
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int main(void)
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{
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/* USER CODE BEGIN 1 */
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/* USER CODE END 1 */
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/* MCU Configuration--------------------------------------------------------*/
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/* Reset of all peripherals, Initializes the Flash interface and the Systick. */
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HAL_Init();
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/* USER CODE BEGIN Init */
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/* USER CODE END Init */
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/* Configure the system clock */
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SystemClock_Config();
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/* USER CODE BEGIN SysInit */
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/* USER CODE END SysInit */
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/* Initialize all configured peripherals */
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MX_GPIO_Init();
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MX_LWIP_Init();
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MX_FMC_Init();
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/* USER CODE BEGIN 2 */
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/* USER CODE END 2 */
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/* Infinite loop */
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/* USER CODE BEGIN WHILE */
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while (1)
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{
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MX_LWIP_Process();
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//write_isa(0x100, 0x1111);
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//write_isa(0x102, 0x1111);
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//read_isa(0x1);
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read_isa(0x1);
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read_isa(0x4);
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//read_isa(0x8);
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//read_isa(0x10);
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//read_isa(0x20);
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}
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/* USER CODE END WHILE */
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}
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/**
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* @brief System Clock Configuration
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* @retval None
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*/
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void SystemClock_Config(void)
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{
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RCC_OscInitTypeDef RCC_OscInitStruct = {0};
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RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
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/** Configure the main internal regulator output voltage
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*/
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__HAL_RCC_PWR_CLK_ENABLE();
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__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE3);
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/** Initializes the RCC Oscillators according to the specified parameters
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* in the RCC_OscInitTypeDef structure.
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*/
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RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
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RCC_OscInitStruct.HSIState = RCC_HSI_ON;
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RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
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RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
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RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
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RCC_OscInitStruct.PLL.PLLM = 8;
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RCC_OscInitStruct.PLL.PLLN = 100;
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RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
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RCC_OscInitStruct.PLL.PLLQ = 4;
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if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
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{
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Error_Handler();
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}
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/** Initializes the CPU, AHB and APB buses clocks
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*/
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RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
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|RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
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RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
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RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
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RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4;
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RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;
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if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_3) != HAL_OK)
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{
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Error_Handler();
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}
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}
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/* FMC initialization function */
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static void MX_FMC_Init(void)
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{
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/* USER CODE BEGIN FMC_Init 0 */
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/* USER CODE END FMC_Init 0 */
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FMC_NORSRAM_TimingTypeDef Timing = {0};
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FMC_NORSRAM_TimingTypeDef ExtTiming = {0};
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/* USER CODE BEGIN FMC_Init 1 */
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/* USER CODE END FMC_Init 1 */
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/** Perform the SRAM1 memory initialization sequence
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*/
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hsram1.Instance = FMC_NORSRAM_DEVICE;
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hsram1.Extended = FMC_NORSRAM_EXTENDED_DEVICE;
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/* hsram1.Init */
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hsram1.Init.NSBank = FMC_NORSRAM_BANK1;
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hsram1.Init.DataAddressMux = FMC_DATA_ADDRESS_MUX_DISABLE;
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hsram1.Init.MemoryType = FMC_MEMORY_TYPE_SRAM;
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hsram1.Init.MemoryDataWidth = FMC_NORSRAM_MEM_BUS_WIDTH_16;
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hsram1.Init.BurstAccessMode = FMC_BURST_ACCESS_MODE_DISABLE;
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hsram1.Init.WaitSignalPolarity = FMC_WAIT_SIGNAL_POLARITY_LOW;
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hsram1.Init.WrapMode = FMC_WRAP_MODE_DISABLE;
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hsram1.Init.WaitSignalActive = FMC_WAIT_TIMING_BEFORE_WS;
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hsram1.Init.WriteOperation = FMC_WRITE_OPERATION_ENABLE;
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hsram1.Init.WaitSignal = FMC_WAIT_SIGNAL_DISABLE;
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hsram1.Init.ExtendedMode = FMC_EXTENDED_MODE_ENABLE;
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hsram1.Init.AsynchronousWait = FMC_ASYNCHRONOUS_WAIT_DISABLE;
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hsram1.Init.WriteBurst = FMC_WRITE_BURST_DISABLE;
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hsram1.Init.ContinuousClock = FMC_CONTINUOUS_CLOCK_SYNC_ONLY;
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hsram1.Init.PageSize = FMC_PAGE_SIZE_NONE;
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/* Timing */
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Timing.AddressSetupTime = 15;
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Timing.AddressHoldTime = 15;
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Timing.DataSetupTime = 255;
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Timing.BusTurnAroundDuration = 15;
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Timing.CLKDivision = 16;
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Timing.DataLatency = 17;
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Timing.AccessMode = FMC_ACCESS_MODE_A;
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/* ExtTiming */
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ExtTiming.AddressSetupTime = 15;
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ExtTiming.AddressHoldTime = 15;
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ExtTiming.DataSetupTime = 255;
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ExtTiming.BusTurnAroundDuration = 15;
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ExtTiming.CLKDivision = 16;
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ExtTiming.DataLatency = 17;
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ExtTiming.AccessMode = FMC_ACCESS_MODE_A;
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if (HAL_SRAM_Init(&hsram1, &Timing, &ExtTiming) != HAL_OK)
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{
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Error_Handler( );
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}
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/* USER CODE BEGIN FMC_Init 2 */
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/* USER CODE END FMC_Init 2 */
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}
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/**
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* @brief GPIO Initialization Function
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* @param None
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* @retval None
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*/
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static void MX_GPIO_Init(void)
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{
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GPIO_InitTypeDef GPIO_InitStruct = {0};
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/* GPIO Ports Clock Enable */
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__HAL_RCC_GPIOE_CLK_ENABLE();
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__HAL_RCC_GPIOC_CLK_ENABLE();
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__HAL_RCC_GPIOF_CLK_ENABLE();
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__HAL_RCC_GPIOA_CLK_ENABLE();
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__HAL_RCC_GPIOG_CLK_ENABLE();
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__HAL_RCC_GPIOB_CLK_ENABLE();
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__HAL_RCC_GPIOD_CLK_ENABLE();
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/*Configure GPIO pin Output Level */
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HAL_GPIO_WritePin(GPIOC, GPIO_PIN_14, GPIO_PIN_RESET);
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/*Configure GPIO pin : PC14 */
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GPIO_InitStruct.Pin = GPIO_PIN_14;
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GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
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HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
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}
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/* USER CODE BEGIN 4 */
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uint16_t read_isa(uint16_t addr)
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{
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return *(uint16_t*)(ISA_BASE_RD + addr);
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}
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void write_isa(uint16_t addr, uint16_t data)
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{
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*(uint16_t*)(ISA_BASE_WR + addr) = data;
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}
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/* USER CODE END 4 */
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/**
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* @brief This function is executed in case of error occurrence.
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* @retval None
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*/
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void Error_Handler(void)
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{
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/* USER CODE BEGIN Error_Handler_Debug */
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/* User can add his own implementation to report the HAL error return state */
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__disable_irq();
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while (1)
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{
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}
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/* USER CODE END Error_Handler_Debug */
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}
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#ifdef USE_FULL_ASSERT
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/**
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* @brief Reports the name of the source file and the source line number
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* where the assert_param error has occurred.
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* @param file: pointer to the source file name
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* @param line: assert_param error line source number
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* @retval None
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*/
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void assert_failed(uint8_t *file, uint32_t line)
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{
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/* USER CODE BEGIN 6 */
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/* User can add his own implementation to report the file name and line number,
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ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
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/* USER CODE END 6 */
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}
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#endif /* USE_FULL_ASSERT */
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