mirror of
https://github.com/STMicroelectronics/STM32CubeF4.git
synced 2025-05-01 22:17:30 +08:00
272 lines
7.9 KiB
C
272 lines
7.9 KiB
C
/**
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******************************************************************************
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* @file BSP/Src/main.c
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* @author MCD Application Team
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* @brief This example code shows how to use the STM324x9I BSP Drivers
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2017 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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/* Includes ------------------------------------------------------------------*/
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#include "main.h"
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#include "stlogo.h"
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/** @addtogroup STM32F4xx_HAL_Examples
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* @{
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*/
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/** @addtogroup BSP
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* @{
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*/
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/* Private typedef -----------------------------------------------------------*/
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/* Private define ------------------------------------------------------------*/
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/* Private macro -------------------------------------------------------------*/
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/* Private variables ---------------------------------------------------------*/
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uint8_t DemoIndex = 0;
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uint8_t NbLoop = 1;
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BSP_DemoTypedef BSP_examples[]=
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{
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{Joystick_demo, "JOYSTICK", 0},
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{Touchscreen_demo, "TOUCHSCREEN", 0},
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{LCD_demo, "LCD", 0},
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{SD_demo, "mSD", 0},
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{Log_demo, "LCD LOG", 0},
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{SDRAM_demo, "SDRAM", 0},
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{SRAM_demo, "SRAM", 0},
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{NOR_demo, "NOR", 0},
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{EEPROM_demo, "EEPROM", 0},
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};
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/* Private function prototypes -----------------------------------------------*/
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static void SystemClock_Config(void);
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static void Display_DemoDescription(void);
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/* Private functions ---------------------------------------------------------*/
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/**
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* @brief Main program
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* @param None
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* @retval None
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*/
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int main(void)
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{
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/* STM32F4xx HAL library initialization:
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- Configure the Flash prefetch, instruction and Data caches
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- Configure the Systick to generate an interrupt each 1 msec
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- Set NVIC Group Priority to 4
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- Global MSP (MCU Support Package) initialization
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*/
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HAL_Init();
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/* Configure the system clock to 175 MHz */
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SystemClock_Config();
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/* Configure LED1, LED2, LED3 and LED4 */
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BSP_LED_Init(LED1);
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BSP_LED_Init(LED2);
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BSP_LED_Init(LED3);
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BSP_LED_Init(LED4);
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/* Configure Key Button */
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BSP_PB_Init(BUTTON_KEY, BUTTON_MODE_GPIO);
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/*##-1- Initialize the LCD #################################################*/
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/* Initialize the LCD */
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BSP_LCD_Init();
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/* Initialize the LCD Layers */
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BSP_LCD_LayerDefaultInit(1, LCD_FB_START_ADDRESS);
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Display_DemoDescription();
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/* Wait For User inputs */
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while (1)
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{
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if(BSP_PB_GetState(BUTTON_KEY) == RESET)
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{
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while (BSP_PB_GetState(BUTTON_KEY) == RESET);
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BSP_examples[DemoIndex++].DemoFunc();
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if(DemoIndex >= COUNT_OF_EXAMPLE(BSP_examples))
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{
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/* Increment number of loops which be used by EEPROM example */
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NbLoop++;
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DemoIndex = 0;
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}
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Display_DemoDescription();
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}
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}
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}
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/**
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* @brief System Clock Configuration
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* The system Clock is configured as follow :
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* System Clock source = PLL (HSE)
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* SYSCLK(Hz) = 175000000
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* HCLK(Hz) = 175000000
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* AHB Prescaler = 1
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* APB1 Prescaler = 4
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* APB2 Prescaler = 2
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* HSE Frequency(Hz) = 25000000
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* PLL_M = 25
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* PLL_N = 350
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* PLL_P = 2
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* PLL_Q = 7
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* VDD(V) = 3.3
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* Main regulator output voltage = Scale1 mode
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* Flash Latency(WS) = 5
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* @param None
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* @retval None
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*/
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static void SystemClock_Config(void)
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{
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RCC_ClkInitTypeDef RCC_ClkInitStruct;
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RCC_OscInitTypeDef RCC_OscInitStruct;
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/* Enable Power Control clock */
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__HAL_RCC_PWR_CLK_ENABLE();
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/* The voltage scaling allows optimizing the power consumption when the device is
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clocked below the maximum system frequency, to update the voltage scaling value
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regarding system frequency refer to product datasheet. */
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__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
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/* Enable HSE Oscillator and activate PLL with HSE as source */
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RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
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RCC_OscInitStruct.HSEState = RCC_HSE_ON;
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RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
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RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
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RCC_OscInitStruct.PLL.PLLM = 25;
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RCC_OscInitStruct.PLL.PLLN = 350;
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RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
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RCC_OscInitStruct.PLL.PLLQ = 7;
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HAL_RCC_OscConfig(&RCC_OscInitStruct);
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/* Activate the Over-Drive mode */
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HAL_PWREx_EnableOverDrive();
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/* Select PLL as system clock source and configure the HCLK, PCLK1 and PCLK2
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clocks dividers */
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RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | 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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HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5);
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}
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/**
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* @brief Display main demo messages.
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* @param None
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* @retval None
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*/
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static void Display_DemoDescription(void)
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{
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uint8_t desc[58];
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/* Set LCD Foreground Layer */
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BSP_LCD_SelectLayer(1);
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BSP_LCD_SetFont(&LCD_DEFAULT_FONT);
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/* Clear the LCD */
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BSP_LCD_SetBackColor(LCD_COLOR_WHITE);
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BSP_LCD_Clear(LCD_COLOR_WHITE);
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/* Set the LCD Text Color */
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BSP_LCD_SetTextColor(LCD_COLOR_DARKBLUE);
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/* Display LCD messages */
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BSP_LCD_DisplayStringAt(0, 10, (uint8_t *)"STM32F4x9I BSP", CENTER_MODE);
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BSP_LCD_DisplayStringAt(0, 35, (uint8_t *)"Drivers examples", CENTER_MODE);
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/* Draw Bitmap */
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BSP_LCD_DrawBitmap((BSP_LCD_GetXSize() - 80)/2, 65, (uint8_t *)stlogo);
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BSP_LCD_SetFont(&Font12);
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BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize()- 20, (uint8_t *)"Copyright (c) STMicroelectronics 2016", CENTER_MODE);
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BSP_LCD_SetFont(&Font16);
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BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
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BSP_LCD_FillRect(0, BSP_LCD_GetYSize()/2 + 15, BSP_LCD_GetXSize(), 60);
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BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
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BSP_LCD_SetBackColor(LCD_COLOR_BLUE);
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BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize()/2 + 30, (uint8_t *)"Press User Button to start :", CENTER_MODE);
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sprintf((char *)desc,"%s example", BSP_examples[DemoIndex].DemoName);
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BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize()/2 + 45, (uint8_t *)desc, CENTER_MODE);
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}
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/**
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* @brief Check for user input.
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* @param None
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* @retval Input state (1 : active / 0 : Inactive)
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*/
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uint8_t CheckForUserInput(void)
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{
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if(BSP_PB_GetState(BUTTON_KEY) == RESET)
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{
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while (BSP_PB_GetState(BUTTON_KEY) == RESET);
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return 1;
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}
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return 0;
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}
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/**
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* @brief Toggle LEDs.
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* @param None
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* @retval None
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*/
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void Toggle_Leds(void)
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{
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static uint8_t ticks = 0;
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if(ticks++ > 100)
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{
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BSP_LED_Toggle(LED1);
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BSP_LED_Toggle(LED2);
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BSP_LED_Toggle(LED3);
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BSP_LED_Toggle(LED4);
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ticks = 0;
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}
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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 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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/* Infinite loop */
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while (1)
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{
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}
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}
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#endif
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/**
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* @}
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*/
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/**
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* @}
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*/
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