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STM32H750XB_RT-THREAD/45-DCMI—OV2640摄像头实验/User/main.c

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STM32H750 RTThread 例程
2025-07-21 06:34:29 +00:00
/**
******************************************************************
* @file main.c
* @author fire
* @version V1.0
* @date 2019-xx-xx
* @brief OV2640<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͷʵ<EFBFBD><EFBFBD>
******************************************************************
* @attention
*
* ʵ<EFBFBD><EFBFBD>ƽ̨:Ұ<EFBFBD><EFBFBD> STM32H750<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD>̳ :http://www.firebbs.cn
* <EFBFBD>Ա<EFBFBD> :http://firestm32.taobao.com
*
******************************************************************
*/
#include "stm32h7xx.h"
#include "main.h"
#include "./led/bsp_led.h"
#include "./usart/bsp_usart.h"
#include "./sdram/bsp_sdram.h"
#include "./lcd/bsp_lcd.h"
#include "string.h"
#include "./i2c/bsp_i2c.h"
#include "./camera/bsp_ov2640.h"
#include "./delay/core_delay.h"
/*<2A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>*/
#define TASK_ENABLE 0
#define NumOfTask 3
__IO uint8_t* qspi_addr = (__IO uint8_t*)(0x90000000);
extern uint32_t Task_Delay[NumOfTask];
uint32_t Task_Delay[NumOfTask]={0};
uint8_t dispBuf[100];
uint8_t fps=0;
/**
* @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* @param <EFBFBD><EFBFBD>
* @retval <EFBFBD><EFBFBD>
*/
int main(void)
{
OV2640_IDTypeDef OV2640_Camera_ID;
/* ϵͳʱ<CDB3>ӳ<EFBFBD>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD>480MHz */
SystemClock_Config();
/* LED <20>˿ڳ<CBBF>ʼ<EFBFBD><CABC> */
LED_GPIO_Config();
/* <20><><EFBFBD>ô<EFBFBD><C3B4><EFBFBD>1Ϊ<31><CEAA>115200 8-N-1 */
UARTx_Config();
HAL_NVIC_SetPriorityGrouping(NVIC_PRIORITYGROUP_0);
HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0x0E);
printf("\r\n <20><>ӭʹ<D3AD><CAB9>Ұ<EFBFBD><D2B0> STM32 H750 <20><><EFBFBD><EFBFBD><EFBFBD>塣\r\n");
printf("\r\nҰ<EFBFBD><EFBFBD>STM32H750 OV2640<34><30><EFBFBD><EFBFBD>ͷ<EFBFBD><CDB7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>\r\n");
/*<2A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ<EFBFBD><CABE><EFBFBD>ڶ<EFBFBD>дSDRAM<41><4D><EFBFBD><EFBFBD>*/
LED_BLUE;
/* LCD <20>˿ڳ<CBBF>ʼ<EFBFBD><CABC> */
LCD_Init();
/* LCD <20><>һ<EFBFBD><D2BB><EFBFBD><EFBFBD>ʼ<EFBFBD><CABC> */
LCD_LayerInit(0, LCD_FB_START_ADDRESS,RGB565);
/* LCD <20>ڶ<EFBFBD><DAB6><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><CABC> */
LCD_LayerInit(1, LCD_FB_START_ADDRESS+(LCD_GetXSize()*LCD_GetYSize()*4),ARGB8888);
/* ʹ<><CAB9>LCD<43><44><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
LCD_DisplayOn();
/* ѡ<><D1A1>LCD<43><44>һ<EFBFBD><D2BB> */
LCD_SelectLayer(0);
/* <20><>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾȫ<CABE><C8AB>ɫ */
LCD_Clear(LCD_COLOR_BLUE);
/* ѡ<><D1A1>LCD<43>ڶ<EFBFBD><DAB6><EFBFBD> */
LCD_SelectLayer(1);
/* <20>ڶ<EFBFBD><DAB6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ͸<CABE><CDB8> */
LCD_Clear(TRANSPARENCY);
/* <20><><EFBFBD>õ<EFBFBD>һ<EFBFBD>͵ڶ<CDB5><DAB6><EFBFBD><EFBFBD><EFBFBD>͸<EFBFBD><CDB8><EFBFBD><EFBFBD>,0λ<30><CEBB>ȫ͸<C8AB><CDB8><EFBFBD><EFBFBD>255Ϊ<35><CEAA>ȫ<EFBFBD><C8AB>͸<EFBFBD><CDB8>*/
LCD_SetTransparency(0, 255);
LCD_SetTransparency(1, 255);
LCD_SetColors(LCD_COLOR_WHITE,TRANSPARENCY);
LCD_DisplayStringLine_EN_CH(1,(uint8_t* )" mode:UXGA 800x480");
CAMERA_DEBUG("STM32H750 DCMI <20><><EFBFBD><EFBFBD>OV2640<34><30><EFBFBD><EFBFBD>");
//<2F><>ʼ<EFBFBD><CABC> I2C
I2CMaster_Init();
HAL_Delay(100);
OV2640_HW_Init();
/* <20><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD>ͷоƬID<49><44>ȷ<EFBFBD><C8B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͷ<EFBFBD><CDB7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
OV2640_ReadID(&OV2640_Camera_ID);
if(OV2640_Camera_ID.PIDH == 0x26)
{
CAMERA_DEBUG("%x%x",OV2640_Camera_ID.PIDH ,OV2640_Camera_ID.PIDL);
}
else
{
LCD_SetColors(LCD_COLOR_WHITE,TRANSPARENCY);
LCD_DisplayStringLine_EN_CH(8,(uint8_t*) " no check OV2640<34><30>please check the connect<63><74>");
CAMERA_DEBUG("û<EFBFBD>м<EFBFBD><EFBFBD>⵽OV2640<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>¼<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӡ<EFBFBD>");
while(1);
}
/* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͷ<EFBFBD><CDB7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ظ<EFBFBD>ʽ */
OV2640_UXGAConfig();
/* <20><>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͷ<EFBFBD><CDB7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾͼ<CABE><CDBC> */
OV2640_Init();
//<2F><><EFBFBD><EFBFBD>
fps =0;
Task_Delay[0]=1000;
while(1)
{
if(Task_Delay[0]==0)
{
LCD_SelectLayer(1);
LCD_SetColors(LCD_COLOR_WHITE,TRANSPARENCY);
sprintf((char*)dispBuf, " ֡<><D6A1>:%d FPS", fps/1);
LCD_ClearLine(2);
/*<2A><><EFBFBD><EFBFBD>֡<EFBFBD><D6A1>*/
LCD_DisplayStringLine_EN_CH(2,dispBuf);
fps =0;
Task_Delay[0]=1000; //<2F><>ֵÿ1ms<6D><73><EFBFBD><EFBFBD>1<EFBFBD><31><EFBFBD><EFBFBD><EFBFBD><EFBFBD>0<EFBFBD>ſ<EFBFBD><C5BF><EFBFBD><EFBFBD><EFBFBD><EFBFBD>½<EFBFBD><C2BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
}
}
}
/**
* @brief System Clock <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* system Clock <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:
* System Clock source = PLL (HSE)
* SYSCLK(Hz) = 480000000 (CPU Clock)
* HCLK(Hz) = 240000000 (AXI and AHBs Clock)
* AHB Prescaler = 2
* D1 APB3 Prescaler = 2 (APB3 Clock 120MHz)
* D2 APB1 Prescaler = 2 (APB1 Clock 120MHz)
* D2 APB2 Prescaler = 2 (APB2 Clock 120MHz)
* D3 APB4 Prescaler = 2 (APB4 Clock 120MHz)
* HSE Frequency(Hz) = 25000000
* PLL_M = 5
* PLL_N = 192
* PLL_P = 2
* PLL_Q = 2
* PLL_R = 2
* VDD(V) = 3.3
* Flash Latency(WS) = 4
* @param None
* @retval None
*/
void SystemClock_Config(void)
{
RCC_OscInitTypeDef RCC_OscInitStruct = {0};
RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
/** <20><><EFBFBD>õ<EFBFBD>Դ<EFBFBD><D4B4><EFBFBD>ø<EFBFBD><C3B8><EFBFBD>
*/
HAL_PWREx_ConfigSupply(PWR_LDO_SUPPLY);
/** <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѹ<EFBFBD><D1B9><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѹ
*/
__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE0);
while(!__HAL_PWR_GET_FLAG(PWR_FLAG_VOSRDY)) {}
/* <20><><EFBFBD><EFBFBD>HSE<53><45><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD><CAB9>HSE<53><45>ΪԴ<CEAA><D4B4><EFBFBD><EFBFBD>PLL */
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
RCC_OscInitStruct.HSEState = RCC_HSE_ON;
RCC_OscInitStruct.HSIState = RCC_HSI_OFF;
RCC_OscInitStruct.CSIState = RCC_CSI_OFF;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
RCC_OscInitStruct.PLL.PLLM = 5;
RCC_OscInitStruct.PLL.PLLN = 192;
RCC_OscInitStruct.PLL.PLLP = 2;
RCC_OscInitStruct.PLL.PLLR = 2;
RCC_OscInitStruct.PLL.PLLQ = 2;
RCC_OscInitStruct.PLL.PLLVCOSEL = RCC_PLL1VCOWIDE;
RCC_OscInitStruct.PLL.PLLRGE = RCC_PLL1VCIRANGE_2;
if(HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
{
while(1) { ; }
}
/* ѡ<><D1A1>PLL<4C><4C>Ϊϵͳʱ<CDB3><CAB1>Դ<EFBFBD><D4B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD>ӷ<EFBFBD>Ƶ<EFBFBD><C6B5> */
RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | \
RCC_CLOCKTYPE_HCLK | \
RCC_CLOCKTYPE_D1PCLK1 | \
RCC_CLOCKTYPE_PCLK1 | \
RCC_CLOCKTYPE_PCLK2 | \
RCC_CLOCKTYPE_D3PCLK1);
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
RCC_ClkInitStruct.SYSCLKDivider = RCC_SYSCLK_DIV1;
RCC_ClkInitStruct.AHBCLKDivider = RCC_HCLK_DIV2;
RCC_ClkInitStruct.APB3CLKDivider = RCC_APB3_DIV2;
RCC_ClkInitStruct.APB1CLKDivider = RCC_APB1_DIV2;
RCC_ClkInitStruct.APB2CLKDivider = RCC_APB2_DIV2;
RCC_ClkInitStruct.APB4CLKDivider = RCC_APB4_DIV2;
if(HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_4) != HAL_OK)
{
while(1) { ; }
}
}
/****************************END OF FILE***************************/
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