207 lines
5.9 KiB
C
207 lines
5.9 KiB
C
/**
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******************************************************************
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* @file main.c
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* @author fire
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* @version V1.0
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* @date 2019-xx-xx
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* @brief OV2640摄像头实验
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******************************************************************
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* @attention
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*
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* 实验平台:野火 STM32H750开发板
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* 论坛 :http://www.firebbs.cn
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* 淘宝 :http://firestm32.taobao.com
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*
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******************************************************************
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*/
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#include "stm32h7xx.h"
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#include "main.h"
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#include "./led/bsp_led.h"
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#include "./usart/bsp_usart.h"
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#include "./sdram/bsp_sdram.h"
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#include "./lcd/bsp_lcd.h"
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#include "string.h"
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#include "./i2c/bsp_i2c.h"
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#include "./camera/bsp_ov2640.h"
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#include "./delay/core_delay.h"
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/*简单任务管理*/
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#define TASK_ENABLE 0
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#define NumOfTask 3
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__IO uint8_t* qspi_addr = (__IO uint8_t*)(0x90000000);
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extern uint32_t Task_Delay[NumOfTask];
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uint32_t Task_Delay[NumOfTask]={0};
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uint8_t dispBuf[100];
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uint8_t fps=0;
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/**
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* @brief 主函数
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* @param 无
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* @retval 无
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*/
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int main(void)
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{
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OV2640_IDTypeDef OV2640_Camera_ID;
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/* 系统时钟初始化成480MHz */
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SystemClock_Config();
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/* LED 端口初始化 */
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LED_GPIO_Config();
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/* 配置串口1为：115200 8-N-1 */
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UARTx_Config();
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HAL_NVIC_SetPriorityGrouping(NVIC_PRIORITYGROUP_0);
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HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0x0E);
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printf("\r\n 欢迎使用野火 STM32 H750 开发板。\r\n");
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printf("\r\n野火STM32H750 OV2640摄像头测试例程\r\n");
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/*蓝灯亮，表示正在读写SDRAM测试*/
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LED_BLUE;
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/* LCD 端口初始化 */
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LCD_Init();
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/* LCD 第一层初始化 */
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LCD_LayerInit(0, LCD_FB_START_ADDRESS,RGB565);
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/* LCD 第二层初始化 */
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LCD_LayerInit(1, LCD_FB_START_ADDRESS+(LCD_GetXSize()*LCD_GetYSize()*4),ARGB8888);
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/* 使能LCD，包括开背光 */
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LCD_DisplayOn();
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/* 选择LCD第一层 */
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LCD_SelectLayer(0);
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/* 第一层清屏，显示全蓝色 */
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LCD_Clear(LCD_COLOR_BLUE);
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/* 选择LCD第二层 */
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LCD_SelectLayer(1);
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/* 第二层清屏，显示透明 */
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LCD_Clear(TRANSPARENCY);
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/* 配置第一和第二层的透明度,0位完全透明，255为完全不透明*/
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LCD_SetTransparency(0, 255);
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LCD_SetTransparency(1, 255);
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LCD_SetColors(LCD_COLOR_WHITE,TRANSPARENCY);
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LCD_DisplayStringLine_EN_CH(1,(uint8_t* )" mode:UXGA 800x480");
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CAMERA_DEBUG("STM32H750 DCMI 驱动OV2640例程");
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//初始化 I2C
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I2CMaster_Init();
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HAL_Delay(100);
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OV2640_HW_Init();
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/* 读取摄像头芯片ID，确定摄像头正常连接 */
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OV2640_ReadID(&OV2640_Camera_ID);
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if(OV2640_Camera_ID.PIDH == 0x26)
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{
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CAMERA_DEBUG("%x%x",OV2640_Camera_ID.PIDH ,OV2640_Camera_ID.PIDL);
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}
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else
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{
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LCD_SetColors(LCD_COLOR_WHITE,TRANSPARENCY);
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LCD_DisplayStringLine_EN_CH(8,(uint8_t*) " no check OV2640，please check the connect。");
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CAMERA_DEBUG("没有检测到OV2640摄像头，请重新检查连接。");
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while(1);
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}
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/* 配置摄像头输出像素格式 */
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OV2640_UXGAConfig();
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/* 初始化摄像头，捕获并显示图像 */
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OV2640_Init();
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//重置
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fps =0;
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Task_Delay[0]=1000;
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while(1)
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{
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if(Task_Delay[0]==0)
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{
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LCD_SelectLayer(1);
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LCD_SetColors(LCD_COLOR_WHITE,TRANSPARENCY);
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sprintf((char*)dispBuf, " 帧率:%d FPS", fps/1);
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LCD_ClearLine(2);
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/*输出帧率*/
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LCD_DisplayStringLine_EN_CH(2,dispBuf);
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fps =0;
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Task_Delay[0]=1000; //此值每1ms会减1，减到0才可以重新进来这里
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}
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}
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}
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/**
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* @brief System Clock 配置
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* system Clock 配置如下:
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* System Clock source = PLL (HSE)
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* SYSCLK(Hz) = 480000000 (CPU Clock)
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* HCLK(Hz) = 240000000 (AXI and AHBs Clock)
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* AHB Prescaler = 2
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* D1 APB3 Prescaler = 2 (APB3 Clock 120MHz)
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* D2 APB1 Prescaler = 2 (APB1 Clock 120MHz)
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* D2 APB2 Prescaler = 2 (APB2 Clock 120MHz)
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* D3 APB4 Prescaler = 2 (APB4 Clock 120MHz)
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* HSE Frequency(Hz) = 25000000
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* PLL_M = 5
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* PLL_N = 192
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* PLL_P = 2
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* PLL_Q = 2
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* PLL_R = 2
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* VDD(V) = 3.3
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* Flash Latency(WS) = 4
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* @param None
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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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/** 启用电源配置更新
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*/
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HAL_PWREx_ConfigSupply(PWR_LDO_SUPPLY);
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/** 配置主内稳压器输出电压
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*/
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__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE0);
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while(!__HAL_PWR_GET_FLAG(PWR_FLAG_VOSRDY)) {}
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/* 启用HSE振荡器并使用HSE作为源激活PLL */
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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.HSIState = RCC_HSI_OFF;
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RCC_OscInitStruct.CSIState = RCC_CSI_OFF;
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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 = 5;
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RCC_OscInitStruct.PLL.PLLN = 192;
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RCC_OscInitStruct.PLL.PLLP = 2;
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RCC_OscInitStruct.PLL.PLLR = 2;
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RCC_OscInitStruct.PLL.PLLQ = 2;
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RCC_OscInitStruct.PLL.PLLVCOSEL = RCC_PLL1VCOWIDE;
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RCC_OscInitStruct.PLL.PLLRGE = RCC_PLL1VCIRANGE_2;
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if(HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
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{
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while(1) { ; }
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}
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/* 选择PLL作为系统时钟源并配置总线时钟分频器 */
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RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | \
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RCC_CLOCKTYPE_HCLK | \
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RCC_CLOCKTYPE_D1PCLK1 | \
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RCC_CLOCKTYPE_PCLK1 | \
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RCC_CLOCKTYPE_PCLK2 | \
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RCC_CLOCKTYPE_D3PCLK1);
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RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
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RCC_ClkInitStruct.SYSCLKDivider = RCC_SYSCLK_DIV1;
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RCC_ClkInitStruct.AHBCLKDivider = RCC_HCLK_DIV2;
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RCC_ClkInitStruct.APB3CLKDivider = RCC_APB3_DIV2;
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RCC_ClkInitStruct.APB1CLKDivider = RCC_APB1_DIV2;
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RCC_ClkInitStruct.APB2CLKDivider = RCC_APB2_DIV2;
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RCC_ClkInitStruct.APB4CLKDivider = RCC_APB4_DIV2;
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if(HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_4) != HAL_OK)
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{
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while(1) { ; }
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}
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}
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/****************************END OF FILE***************************/
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