/** * @brief Main program * @param None * @retval None */ int main(void) { /*!< At this stage the microcontroller clock setting is already configured, this is done through SystemInit() function which is called from startup files (startup_stm32f40_41xxx.s/startup_stm32f427_437xx.s/startup_stm32f429_439xx.s) before to branch to application main. */ /* SysTick end of count event each 10ms */ RCC_GetClocksFreq(&RCC_Clocks); SysTick_Config(RCC_Clocks.HCLK_Frequency / 100); /* Initialize LEDs mounted on EVAL board */ STM_EVAL_LEDInit(LED1); STM_EVAL_LEDInit(LED2); STM_EVAL_LEDInit(LED3); STM_EVAL_LEDInit(LED4); STM_EVAL_LEDOn(LED1); /* Initialize the LCD */ LCD_Init(); LCD_Clear(Black); LCD_SetTextColor(White); LCD_LOG_SetHeader((uint8_t*)"STM32 Camera Demo"); LCD_LOG_SetFooter ((uint8_t*)" Copyright (c) STMicroelectronics" ); /* ADC configuration */ ADC_Config(); /* Initializes the DCMI interface (I2C and GPIO) used to configure the camera */ OV2640_HW_Init(); /* Read the OV9655/OV2640 Manufacturer identifier */ OV9655_ReadID(&OV9655_Camera_ID); OV2640_ReadID(&OV2640_Camera_ID); if(OV9655_Camera_ID.PID == 0x96) { Camera = OV9655_CAMERA; sprintf((char*)abuffer, "OV9655 Camera ID 0x%x", OV9655_Camera_ID.PID); ValueMax = 2; } else if(OV2640_Camera_ID.PIDH == 0x26) { Camera = OV2640_CAMERA; sprintf((char*)abuffer, "OV2640 Camera ID 0x%x", OV2640_Camera_ID.PIDH); ValueMax = 2; } else { LCD_SetTextColor(LCD_COLOR_RED); LCD_DisplayStringLine(LINE(4), (uint8_t*)"Check the Camera HW and try again"); while(1); } LCD_SetTextColor(LCD_COLOR_YELLOW); LCD_DisplayStringLine(LINE(4), (uint8_t*)abuffer); LCD_SetTextColor(LCD_COLOR_WHITE); Delay(200); /* Initialize demo */ ImageFormat = (ImageFormat_TypeDef)Demo_Init(); /* Configure the Camera module mounted on STM324xG-EVAL/STM324x7I-EVAL boards */ Demo_LCD_Clear(); LCD_DisplayStringLine(LINE(4), (uint8_t*)"Camera Init.. "); Camera_Config(); sprintf((char*)abuffer, " Image selected: %s", ImageForematArray[ImageFormat]); LCD_DisplayStringLine(LINE(4),(uint8_t*)abuffer); /* Enable DMA2 stream 1 and DCMI interface then start image capture */ DMA_Cmd(DMA2_Stream1, ENABLE); DCMI_Cmd(ENABLE); /* Insert 100ms delay: wait 100ms */ Delay(200); DCMI_CaptureCmd(ENABLE); LCD_ClearLine(LINE(4)); Demo_LCD_Clear(); if(ImageFormat == BMP_QQVGA) { /* LCD Display window */ LCD_SetDisplayWindow(179, 239, 120, 160); LCD_WriteReg(LCD_REG_3, 0x1038); LCD_WriteRAM_Prepare(); } else if(ImageFormat == BMP_QVGA) { /* LCD Display window */ LCD_SetDisplayWindow(239, 319, 240, 320); LCD_WriteReg(LCD_REG_3, 0x1038); LCD_WriteRAM_Prepare(); } while(1) { /* Blink LD1, LED2 and LED4 */ STM_EVAL_LEDToggle(LED1); STM_EVAL_LEDToggle(LED2); STM_EVAL_LEDToggle(LED3); STM_EVAL_LEDToggle(LED4); /* Insert 100ms delay */ Delay(10); /* Get the last ADC3 conversion result data */ uhADCVal = ADC_GetConversionValue(ADC3); /* Change the Brightness of camera using "Brightness Adjustment" register: For OV9655 camera Brightness can be positively (0x01 ~ 0x7F) and negatively (0x80 ~ 0xFF) adjusted For OV2640 camera Brightness can be positively (0x20 ~ 0x40) and negatively (0 ~ 0x20) adjusted */ if(Camera == OV9655_CAMERA) { OV9655_BrightnessConfig(uhADCVal); } if(Camera == OV2640_CAMERA) { OV2640_BrightnessConfig(uhADCVal/2); } } }
/** * @brief Main program. * @param None * @retval None */ int main(void) { //RCC_Config(); //GPIO_Config(); //RCC_MCO1Config(RCC_MCO1Source_PLLCLK,RCC_MCO1Div_1); uint8_t tmpreg; LIS302DL_InitTypeDef LIS302DL_InitStruct; /*!< At this stage the microcontroller clock setting is already configured, this is done through SystemInit() function which is called from startup file (startup_stm32f4xx.s) before to branch to application main. To reconfigure the default setting of SystemInit() function, refer to system_stm32f4xx.c file */ /* SysTick end of count event each 10ms */ RCC_GetClocksFreq(&RCC_Clocks); SysTick_Config(RCC_Clocks.HCLK_Frequency / 100); //NVIC_SetPriority(SysTick_IRQn, -1); /* MEMS configuration and set int1/int2 pins*/ LIS302DL_InitStruct.Power_Mode = LIS302DL_LOWPOWERMODE_ACTIVE; LIS302DL_InitStruct.Output_DataRate = LIS302DL_DATARATE_100; LIS302DL_InitStruct.Axes_Enable = LIS302DL_XYZ_ENABLE; LIS302DL_InitStruct.Full_Scale = LIS302DL_FULLSCALE_2_3; LIS302DL_InitStruct.Self_Test = LIS302DL_SELFTEST_NORMAL; LIS302DL_Init(&LIS302DL_InitStruct); //Set INT1/INT2 pins tmpreg = 0x40; LIS302DL_Write(&tmpreg, LIS302DL_CTRL_REG3_ADDR, 1); //Initialize the touchscreen TSC_Init(); /* Initialize LEDs and push-buttons mounted on STM324xG-EVAL board */ STM_EVAL_LEDInit(LED1); STM_EVAL_LEDInit(LED2); //STM_EVAL_LEDInit(LED3); //STM_EVAL_LEDInit(LED4); /* Initialize the LCD */ STM324xG_LCD_Init(); //STM_EVAL_LEDOn(LED1); LCD_Clear(Black); LCD_SetTextColor(White); LCD_LOG_SetHeader("STM32 Camera Demo"); LCD_LOG_SetFooter (" Copyright (c) STMicroelectronics" ); /* ADC configuration */ ADC_Config(); /* Initializes the DCMI interface (I2C and GPIO) used to configure the camera */ //OV9655_HW_Init(); OV9712_HW_Init(); /* Read the OV9655/OV2640 Manufacturer identifier */ //OV9655_ReadID(&OV9655_Camera_ID); OV9712_ReadID(&OV9712_Camera_ID); //while(1); if(OV9655_Camera_ID.PID == 0x96) { Camera = OV9712_CAMERA; sprintf((char*)buffer, "OV9655 Camera ID 0x%x", OV9655_Camera_ID.PID); ValueMax = 2; } else if(OV9712_Camera_ID.PIDH == 0x97) { Camera = OV9712_CAMERA; sprintf((char*)buffer, "OV9712 Camera ID 0x%x", OV9712_Camera_ID.PIDH); ValueMax = 2; } else { LCD_SetTextColor(LCD_COLOR_RED); sprintf((char*)buffer, "OV Camera ID 0x%02x%02x", OV9655_Camera_ID.Version, OV9712_Camera_ID.PIDH); LCD_DisplayStringLine(LINE(4), buffer); while(1); } LCD_SetTextColor(LCD_COLOR_YELLOW); LCD_DisplayStringLine(LINE(4), (uint8_t*)buffer); LCD_SetTextColor(LCD_COLOR_WHITE); Delay(200); /* Initialize demo */ ImageFormat = (ImageFormat_TypeDef)BMP_QVGA; /* Configure the Camera module mounted on STM324xG-EVAL board */ Demo_LCD_Clear(); LCD_DisplayStringLine(LINE(4), "Camera Init.. "); Camera_Config(); sprintf((char*)buffer, " Image selected: %s", ImageForematArray[ImageFormat]); LCD_DisplayStringLine(LINE(4),(uint8_t*)buffer); LCD_ClearLine(LINE(4)); Demo_LCD_Clear(); if(ImageFormat == BMP_QQVGA) { /* LCD Display window */ LCD_SetDisplayWindow(60, 80, 160, 120); ReverseLCD(); LCD_WriteRAM_Prepare(); } else if(ImageFormat == BMP_QVGA) { /* LCD Display window */ LCD_SetDisplayWindow(0, 0, 320, 240); ReverseLCD(); LCD_WriteRAM_Prepare(); } { int i, j; for (j = 0; j < 16; j++) { LCD_SetDisplayWindow(0, (240 / 16) * j, 320, (240 / 16)); LCD_WriteRAM_Prepare(); for (i = 0; i < 320 * 240 / 16; i++) { LCD_WriteRAM(0x0003 << j); } } } /* Enable DMA2 stream 1 and DCMI interface then start image capture */ DMA_Cmd(DMA2_Stream1, ENABLE); DCMI_Cmd(ENABLE); /* Insert 100ms delay: wait 100ms */ //Delay(200); DCMI_CaptureCmd(ENABLE); while(1) { OV9655_BrightnessConfig(0x7F);// //static int step = 0; int i, block, begin; unsigned short *p; if (!bShot) { begin = (datablock - 11 + 48) % 48; for (block = begin; block < begin + 11; block++) { p = (unsigned short *)(0x20000000 + (320 * 240 * 2 / 16) * ((block) % 12)); LCD_SetDisplayWindow(0, (block % 16) * (240 / 16), 320, (240 / 16)); //LCD_SetCursor(0, (block % 16) * (240 / 16)); LCD_WriteRAM_Prepare(); for (i = 0; i < 320 * 240 / 16; i++) { LCD_WriteRAM(*p++); } } } if (TSC_TouchDet()) { int x, y; TP_GetAdXY(&x, &y); if (x > 300 && x < 2800 && y > 300 && y < 2800) { if (x < 1550 && y < 1550) { uint32_t StartSector = 0, EndSector = 0, Address = 0, SectorCounter = 0; int m; //拍照bShot bShot = 1; while(datablock % 16); DMA_Cmd(DMA2_Stream1, DISABLE); DCMI_Cmd(DISABLE); //STM_EVAL_LEDOn(LED2); DMA_ClearFlag(DMA2_Stream1, 0x2F7D0F7D); DMA_ClearFlag(DMA2_Stream1, 0x0F7D0F7D); DMA_ClearITPendingBit(DMA2_Stream1, DMA_IT_TCIF1); datablock = 0; DMA2_Stream1->M0AR = 0x20000000 + 9600 * (datablock % 12); DMA_SetCurrDataCounter(DMA2_Stream1, (320 * 240 * 2 / 4) / 16); DCMI_Cmd(ENABLE); DMA_Cmd(DMA2_Stream1, ENABLE); { unsigned long *p, *q; while(datablock < 4); //等待准备好前4块数据,就将这4块数据导入到0x10000000+0x50000之后。 q = (unsigned long *)(0x20000000); p = (unsigned long *)(0x10000000 + 0x5000); while (q < (unsigned long *)(0x20000000 + 4 * (320 * 240 * 2 / 16))) { *p = *q; p++; q++; } } while(datablock < 16); //等待全部采集完成。 STM_EVAL_LEDOn(LED2); //LED2亮表示采集完成。 LCD_SetDisplayWindow(0, 0, 320, 240); LCD_WriteRAM_Prepare(); LCD_Clear(Black); //RAM位置 /* 序号 地址 大小 1: 0x10005000+9600*0 9600 2: 0x10005000+9600*1 9600 3: 0x10005000+9600*2 9600 4: 0x10005000+9600*3 9600 5: 0x20000000+9600*5 9600 6: 0x20000000+9600*6 9600 7: 0x20000000+9600*7 9600 8: 0x20000000+9600*8 9600 9: 0x20000000+9600*9 9600 10: 0x20000000+9600*10 9600 11: 0x20000000+9600*11 9600 12: 0x20000000+9600*0 9600 13: 0x20000000+9600*1 9600 14: 0x20000000+9600*2 9600 15: 0x20000000+9600*3 9600 */ for (m = 0; m < 16; m++) //显示保存的图片 { unsigned short *q; if (m < 4) { q = (unsigned short *)(0x10000000 + 0x5000 + m * (320 * 240 * 2 / 16)); } else { q = (unsigned short *)(0x20000000 + (m % 12) * (320 * 240 * 2 / 16)); } LCD_SetDisplayWindow(0, m * (240 / 16), 320, (240 / 16)); LCD_WriteRAM_Prepare(); for (i = 0; i < 320 * 240 / 16; i++) { LCD_WriteRAM(*q++); } } /* Erase the user Flash area ***********/ FLASH_Unlock(); /* Clear pending flags (if any) */ FLASH_ClearFlag(FLASH_FLAG_EOP | FLASH_FLAG_OPERR | FLASH_FLAG_WRPERR | FLASH_FLAG_PGAERR | FLASH_FLAG_PGPERR|FLASH_FLAG_PGSERR); /* Get the number of the start and end sectors */ StartSector = GetSector(FLASH_USER_START_ADDR); EndSector = GetSector(FLASH_USER_END_ADDR); for (SectorCounter = StartSector; SectorCounter < EndSector; SectorCounter += 8) { /* Device voltage range supposed to be [2.7V to 3.6V], the operation will be done by word */ if (FLASH_EraseSector(SectorCounter, VoltageRange_3) != FLASH_COMPLETE) { /* Error occurred while sector erase. User can add here some code to deal with this error */ while (1) { } } } for (m = 0; m < 16; m++) //保存图片到flash { unsigned long *q; Address = FLASH_USER_START_ADDR + m * (320 * 240 * 2 / 16); if (m < 4) { q = (unsigned long *)(0x10000000 + 0x5000 + m * (320 * 240 * 2 / 16)); } else { q = (unsigned long *)(0x20000000 + (m % 12) * (320 * 240 * 2 / 16)); } while (Address < FLASH_USER_START_ADDR + (m + 1) *(320 * 240 * 2 / 16)) { if (FLASH_ProgramWord(Address, *q) == FLASH_COMPLETE) { Address = Address + 4; q++; } else { /* Error occurred while writing data in Flash memory. User can add here some code to deal with this error */ while (1) { } } } } STM_EVAL_LEDOff(LED2); LCD_SetDisplayWindow(0, 0, 320, 240); LCD_WriteRAM_Prepare(); LCD_Clear(Black); for (m = 0; m < 16; m++) //显示flash中的图片 { unsigned short *q; q = (unsigned short *)(FLASH_USER_START_ADDR + m * (320 * 240 * 2 / 16)); LCD_SetDisplayWindow(0, m * (240 / 16), 320, (240 / 16)); LCD_WriteRAM_Prepare(); for (i = 0; i < 320 * 240 / 16; i++) { LCD_WriteRAM(*q++); } } /* Lock the Flash to disable the flash control register access (recommended to protect the FLASH memory against possible unwanted operation) *********/ FLASH_Lock(); } else if (x >= 1550 && y < 1550) { //righttop STM_EVAL_LEDOff(LED1); STM_EVAL_LEDOff(LED2); bShot = 0; datablock = 0; DMA_Cmd(DMA2_Stream1, ENABLE); DCMI_Cmd(ENABLE); } else if (x < 1550 && y >= 1550) { //righttop //DMA_Cmd(DMA2_Stream1, ENABLE); //DCMI_Cmd(ENABLE); } else if (x >= 1550 && y >= 1550) { //righttop //DMA_Cmd(DMA2_Stream1, ENABLE); //DCMI_Cmd(ENABLE); } } } //Delay(10); } }