/**
* @brief Main program
* @param None
* @retval None
*/
int main(void)
{
/* STM32F4xx HAL library initialization:
- Configure the Flash prefetch, instruction and Data caches
- Configure the Systick to generate an interrupt each 1 msec
- Set NVIC Group Priority to 4
- Global MSP (MCU Support Package) initialization
*/
HAL_Init();
/* Configure the system clock to 168 MHz */
SystemClock_Config();
/*##-1- Initialize the SRAM ################################################*/
BSP_SRAM_Init();
/*##-2- Initialize the LCD #################################################*/
BSP_LCD_Init();
/*##-3- Camera Initialization and start capture ############################*/
/* Initialize the Camera */
BSP_CAMERA_Init(CAMERA_R320x240);
/* Start the Camera Capture */
BSP_CAMERA_ContinuousStart((uint8_t *)CAMERA_FRAME_BUFFER);
/* Infinite loop */
while (1)
{
}
}
/**
* @brief Main program
* @param None
* @retval None
*/
int main(void)
{
uint32_t i;
uint32_t *ptrLcd;
/* Enable the CPU Cache */
CPU_CACHE_Enable();
/* STM32F7xx HAL library initialization:
- Configure the Flash ART accelerator on ITCM interface
- Systick timer is configured by default as source of time base, but user
can eventually implement his proper time base source (a general purpose
timer for example or other time source), keeping in mind that Time base
duration should be kept 1ms since PPP_TIMEOUT_VALUEs are defined and
handled in milliseconds basis.
- Set NVIC Group Priority to 4
- Low Level Initialization
*/
HAL_Init();
/* Configure the system clock to 200 MHz */
SystemClock_Config();
/*##-1- Initialise the LCD #################################################*/
BSP_LCD_Init();
/* Init LCD screen buffer */
ptrLcd = (uint32_t*)(LCD_FRAME_BUFFER);
for (i=0; i<(BSP_LCD_GetXSize()*BSP_LCD_GetYSize()); i++)
{
ptrLcd[i]=0;
}
BSP_LCD_LayerDefaultInit(1, LCD_FRAME_BUFFER);
/* Enable the LCD */
BSP_LCD_DisplayOn();
/* Select the LCD Foreground layer */
BSP_LCD_SelectLayer(1);
/* Set active window */
BSP_LCD_SetLayerWindow(1, xoffset, yoffset, xsize, ysize);
/*##-2- Camera Initialisation and start capture ############################*/
/* Initialize the Camera */
BSP_CAMERA_Init(resolution);
/* Wait 1s before Camera snapshot */
HAL_Delay(1000);
/* Start the Camera Capture */
BSP_CAMERA_SnapshotStart((uint8_t *)CAMERA_FRAME_BUFFER);
while (1)
{
}
}
/**
* @brief Save the data to specified file.
* @param path: pointer to the saving path
* @retval File saved
*/
uint8_t CAMERA_SaveToFile(uint8_t *path)
{
RTC_TimeTypeDef Time;
RTC_DateTypeDef Date;
FIL file;
uint32_t NumWrittenData;
uint8_t ret = 1;
char filename[FILEMGR_FILE_NAME_SIZE];
char fullpath[FILEMGR_FILE_NAME_SIZE];
/* Create filename */
k_GetTime(&Time);
k_GetDate(&Date);
sprintf((char *)filename, "/Camera_%02d%02d%04d_%02d%02d%02d.bmp",
Date.Date,
Date.Month,
Date.Year + 2015,
Time.Hours,
Time.Minutes,
Time.Seconds);
strcpy((char *)fullpath, (char *)path);
strcat ((char *)fullpath, (char *)filename);
BSP_CAMERA_Suspend();
BSP_SD_Init();
/* Can not create file */
if (f_open(&file, (char *)fullpath, FA_CREATE_NEW | FA_WRITE) == FR_OK)
{
/* Write the received data into the file */
if (f_write(&file, (char *)BMPHeader_QQVGA24Bit, RGB_HEADER_SIZE, (UINT *)&NumWrittenData) == FR_OK)
{
f_sync(&file);
/* Convert RGB16 image to RGB24 */
RGB16toRGB24((uint8_t *)CAMERA_CVRT_BUFFER, (uint8_t *)&buffer_camera);
if (f_write(&file, (char *)CAMERA_CVRT_BUFFER, MAX_IMAGE_SIZE, (UINT*)&NumWrittenData)== FR_OK)
{
/*File Written correctly */
ret = 0;
}
}
f_close(&file);
}
BSP_CAMERA_Init(RESOLUTION_R160x120);
CAMERA_Configured = 1;
BSP_CAMERA_Resume();
return ret;
}
/**
* @brief Main program
* @param None
* @retval None
*/
int main(void)
{
/* STM32F4xx HAL library initialization:
- Configure the Flash prefetch, instruction and Data caches
- Configure the Systick to generate an interrupt each 1 msec
- Set NVIC Group Priority to 4
- Global MSP (MCU Support Package) initialization
*/
HAL_Init();
/* Configure the system clock to 180 MHz */
SystemClock_Config();
/*##-1- Disable SAI1_SDA signal ############################################*/
/* Note: In STM324X9I-EVAL RevB, PE6 pin is shared between data_7 of camera
and SAI1_SDA of codec WM8994, after power on, SAI1_SDA pin of codec WM8994
is in output state, thus preventing MCU from Receiving correct signal
from camera, so we need to configure SAI1_SDA pin of codec WM8994
in tri-state
*/
/* Initialize the Control interface of the Audio Codec */
BSP_AUDIO_OUT_Init(OUTPUT_DEVICE_SPEAKER, 0, 0);
/* ADCDAT1 is tri-stated */
AUDIO_IO_Write(AUDIO_I2C_ADDRESS, 0x200, 0);
AUDIO_IO_Write(AUDIO_I2C_ADDRESS, 0x300, 0x6010);
/*##-2- Initialize the LCD #################################################*/
BSP_LCD_Init();
/*##-3- Initialize the LCD Layers ##########################################*/
BSP_LCD_LayerDefaultInit(1, LCD_FRAME_BUFFER);
/* Enable the LCD */
BSP_LCD_DisplayOn();
/* Select the LCD Foreground layer */
BSP_LCD_SelectLayer(1);
/*##-4- Camera Initialization and start capture ############################*/
/* Initialize the Camera */
BSP_CAMERA_Init(RESOLUTION_R480x272);
/* Wait 1s before Camera snapshot */
HAL_Delay(1000);
/* Start the Camera Capture */
BSP_CAMERA_SnapshotStart((uint8_t *)CAMERA_FRAME_BUFFER);
/* Infinite loop */
while (1)
{
}
}
/**
* @brief Initialize the camera module.
* @param None
* @retval None
*/
void CAMERA_Init(void)
{
/* Initialize the Camera */
CameraError = BSP_CAMERA_Init(RESOLUTION_R160x120);
if( CameraError != CAMERA_ERROR)
{
GUI_Delay(100);
/* Start the capture */
BSP_CAMERA_ContinuousStart((uint8_t *)CAMERA_FRAME_BUFFER);
CAMERA_Set_ContrastBrightness(CameraSettings.b.contrast, CameraSettings.b.brightness);
}
}
/**
* @brief Initialize the camera module.
* @param None
* @retval None
*/
void CAMERA_Init(void)
{
/* Disable AUDIO Clock, because of shared pins */
BSP_AUDIO_OUT_Init(OUTPUT_DEVICE_SPEAKER, 0, 0);
AUDIO_IO_Write(AUDIO_I2C_ADDRESS, 0x200, 0x0);
AUDIO_IO_Write(AUDIO_I2C_ADDRESS, 0x300, 0x6010);
/* Initialize the Camera */
CameraError = BSP_CAMERA_Init(RESOLUTION_R320x240);
if( CameraError != CAMERA_ERROR)
{
GUI_Delay(100);
/* Start the capture */
BSP_CAMERA_ContinuousStart((uint8_t *)CAMERA_FRAME_BUFFER);
CAMERA_Set_ContrastBrightness(CameraSettings.b.contrast, CameraSettings.b.brightness);
}
}
/**
* @brief Initialize the camera module.
* @param None
* @retval None
*/
void CAMERA_Init(void)
{
/* Initialize the Camera */
CameraError = BSP_CAMERA_Init(RESOLUTION_R160x120);
if( CameraError != CAMERA_ERROR)
{
CAMERA_Configured = 1;
GUI_Delay(100);
/* Start the capture */
BSP_CAMERA_ContinuousStart((uint8_t *)&buffer_camera);
CameraSettings.b.contrast = 3;
CameraSettings.b.brightness = 3;
CAMERA_Set_ContrastBrightness(CameraSettings.b.contrast, CameraSettings.b.brightness);
}
}
/**
* @brief Main program
* @param None
* @retval None
*/
int main(void)
{
/* STM32F4xx HAL library initialization:
- Configure the Flash prefetch
- Systick timer is configured by default as source of time base, but user
can eventually implement his proper time base source (a general purpose
timer for example or other time source), keeping in mind that Time base
duration should be kept 1ms since PPP_TIMEOUT_VALUEs are defined and
handled in milliseconds basis.
- Set NVIC Group Priority to 4
- Low Level Initialization
*/
HAL_Init();
/* Configure the system clock to 180 MHz */
SystemClock_Config();
/*##-1- Initialize the SDRAM ##############################################*/
BSP_SDRAM_Init();
/*##-2- Initialise the LCD #################################################*/
BSP_LCD_Init();
/*##-3- Camera Initialisation and start capture ############################*/
/* Initialize the Camera */
BSP_CAMERA_Init(CAMERA_R320x240);
/* Wait 1s before Camera snapshot */
HAL_Delay(1000);
/* Start the Camera Capture */
BSP_CAMERA_SnapshotStart((uint8_t *)CAMERA_FRAME_BUFFER);
while (1)
{
}
}
/**
* @brief Camera demo
* @param None
* @retval None
*/
void Camera_demo (void)
{
uint8_t status = 0;
uint32_t exit = 0;
uint32_t camera_status = CAMERA_OK;
uint32_t argb8888_Value = 0x00556677;
Camera_SetHint();
/* Activate joystick as used for contrast, brightness and visual effect settings */
/* on image from camera sensor */
status = BSP_JOY_Init(JOY_MODE_GPIO);
if (status != IO_OK)
{
BSP_LCD_SetBackColor(LCD_COLOR_WHITE);
BSP_LCD_SetTextColor(LCD_COLOR_RED);
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - CAMERA_STATUS_TEXT_POS, (uint8_t *)"ERROR", CENTER_MODE);
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - CAMERA_STATUS_TEXT_POS - 15, (uint8_t *)"Joystick cannot be initialized", CENTER_MODE);
}
/*## Camera Initialization and start capture ############################*/
BSP_LCD_SetBackColor(LCD_COLOR_BLUE);
BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - CAMERA_STATUS_TEXT_POS, (uint8_t *)"Wait for camera initialization...", CENTER_MODE);
CameraResIndex = CAMERA_R160x120; /* Set QQVGA default resolution */
CameraChangeResolutionAsked = 1;
CameraResX = CAMERA_QQVGA_RES_X;
CameraResY = CAMERA_QQVGA_RES_Y;
/* Infinite loop */
while (exit == 0)
{
if (CameraChangeResolutionAsked) /* A camera change resolution has been asked */
{
CameraChangeResolutionAsked = 0;
if (CameraResIndex > CAMERA_R160x120)
{ /* If camera stream already started, it has to be stopped before reconfiguration */
/* Stop camera stream */
refresh_authorized = 0;
camera_status = BSP_CAMERA_Stop();
BSP_TEST_APPLI_ASSERT(camera_status != CAMERA_OK);
/* Clear screen */
Camera_SetHint();
BSP_LCD_SetBackColor(LCD_COLOR_BLUE);
BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - CAMERA_STATUS_TEXT_POS, (uint8_t *)"Wait for camera initialization...", CENTER_MODE);
}
BSP_LCD_SetBackColor(LCD_COLOR_WHITE);
BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
switch (CameraResIndex)
{
case CAMERA_R160x120:
CameraResX = CAMERA_QQVGA_RES_X;
CameraResY = CAMERA_QQVGA_RES_Y;
/* Initialize the Camera */
camera_status = BSP_CAMERA_Init(RESOLUTION_R160x120);
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - CAMERA_STATUS_TEXT_POS, (uint8_t *)" QQVGA camera stream ", CENTER_MODE);
break;
case CAMERA_R320x240:
CameraResX = CAMERA_QVGA_RES_X;
CameraResY = CAMERA_QVGA_RES_Y;
/* Initialize the Camera */
camera_status = BSP_CAMERA_Init(RESOLUTION_R320x240);
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - CAMERA_STATUS_TEXT_POS, (uint8_t *)" QVGA camera stream ", CENTER_MODE);
break;
case CAMERA_R480x272:
CameraResX = CAMERA_480x272_RES_X;
CameraResY = CAMERA_480x272_RES_Y;
/* Initialize the Camera */
camera_status = BSP_CAMERA_Init(RESOLUTION_R480x272);
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - CAMERA_STATUS_TEXT_POS, (uint8_t *)" 480x272 camera stream ", CENTER_MODE);
break;
case CAMERA_R640x480:
CameraResX = CAMERA_VGA_RES_X;
CameraResY = CAMERA_VGA_RES_Y;
/* Initialize the Camera */
camera_status = BSP_CAMERA_Init(RESOLUTION_R640x480);
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - CAMERA_STATUS_TEXT_POS, (uint8_t *)" VGA camera stream ", CENTER_MODE);
break;
default :
break;
}
if (camera_status != CAMERA_OK)
{
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - CAMERA_STATUS_TEXT_POS - 15, (uint8_t *)" CAMERA INIT ERROR ", CENTER_MODE);
}
offset_cam = 0;
offset_lcd = 0;
display_line_counter = 0;
display_rotated_line_counter = 0;
special_effect = CAMERA_BLACK_WHITE; /* No special effect applied */
color_effect = CAMERA_BLACK_WHITE_NORMAL;
contrast = CAMERA_CONTRAST_LEVEL2; /* Mid-level brightness */
brightness = CAMERA_BRIGHTNESS_LEVEL2; /* Mid-level contrast */
refresh_authorized = 1;
CameraFrameBufferInitComplete = 0;
CameraFrameBufferInitError = 0;
if(CameraResIndex == CAMERA_R640x480)
{
/* Clear first the LCD */
BSP_LCD_Clear(LCD_COLOR_WHITE);
}
/* Init or Re-Init Camera frame buffer by using DMA2D engine in mode Register to Memory */
camera_status = CameraFrameBufferRgb565_Init(CAMERA_VGA_RES_X,
CAMERA_VGA_RES_Y,
argb8888_Value);
BSP_TEST_APPLI_ASSERT(camera_status != CAMERA_OK);
/* Wait end of DMA2D operation of error : via IT callback update */
while((CameraFrameBufferInitComplete == 0) && (CameraFrameBufferInitError == 0)) {;}
/* Assert if error : no transfer complete */
BSP_TEST_APPLI_ASSERT(CameraFrameBufferInitComplete != 1);
/* Start / Restart camera stream */
BSP_CAMERA_ContinuousStart((uint8_t *)CAMERA_FB_START_ADDR);
/* Allow DMA2D copy from Camera frame buffer to LCD Frame buffer location */
Camera_AllowDma2dCopyCamFrmBuffToLcdFrmBuff = 1;
} /* (CameraResIndex != CameraCurrentResIndex) */
/* Get the Joystick State */
JoyState = BSP_JOY_GetState();
switch (JoyState)
{
case JOY_UP:
if (brightness < CAMERA_BRIGHTNESS_MAX)
{
brightness++;
}
else
{
JoyState = JOY_NONE; /* Cancel brightness change */
}
break;
case JOY_DOWN:
if (brightness > CAMERA_BRIGHTNESS_MIN)
{
brightness--;
}
else
{
JoyState = JOY_NONE; /* Cancel brightness change */
}
break;
case JOY_LEFT:
if (contrast > CAMERA_CONTRAST_MIN)
{
contrast--;
}
else
{
JoyState = JOY_NONE; /* Cancel contrast change */
}
break;
case JOY_RIGHT:
if (contrast < CAMERA_CONTRAST_MAX)
{
contrast++;
}
else
{
JoyState = JOY_NONE; /* Cancel contrast change */
}
break;
case JOY_SEL:
switch (special_effect)
{
case CAMERA_BLACK_WHITE :
if (color_effect < CAMERA_BLACK_WHITE_NORMAL)
{
/* From BW effect to another BW effect */
color_effect++;
}
else
{
/* From BW or none effect to color effect */
special_effect = CAMERA_COLOR_EFFECT;
color_effect = CAMERA_COLOR_EFFECT_ANTIQUE;
}
break;
case CAMERA_COLOR_EFFECT :
if (color_effect < CAMERA_COLOR_EFFECT_RED)
{
/* From color effect to another color effect */
color_effect++;
}
else
{
/* From color effect to BW effect */
special_effect = CAMERA_BLACK_WHITE;
color_effect = CAMERA_BLACK_WHITE_BW;
}
break;
default :
/* None effect */
special_effect = CAMERA_BLACK_WHITE;
color_effect = CAMERA_BLACK_WHITE_NORMAL;
break;
}
break;
default:
break;
}
if ((JoyState == JOY_UP) || (JoyState == JOY_DOWN) || (JoyState == JOY_LEFT) || (JoyState == JOY_RIGHT))
{
/* A brightness change has been asked */
BSP_CAMERA_ContrastBrightnessConfig(contrast, brightness);
if ((JoyState == JOY_UP) || (JoyState == JOY_DOWN))
{
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - CAMERA_STATUS_TEXT_POS, (uint8_t *)" Brightness change ", CENTER_MODE);
}
else
{
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - CAMERA_STATUS_TEXT_POS, (uint8_t *)" Contrast change ", CENTER_MODE);
}
}
if (JoyState == JOY_SEL)
{
/* A color effect change has been asked */
switch (special_effect)
{
case CAMERA_BLACK_WHITE :
BSP_CAMERA_BlackWhiteConfig(color_effect);
switch (color_effect)
{
case CAMERA_BLACK_WHITE_NORMAL :
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - CAMERA_STATUS_TEXT_POS, (uint8_t *)" No effect applied ", CENTER_MODE);
break;
case CAMERA_BLACK_WHITE_BW :
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - CAMERA_STATUS_TEXT_POS, (uint8_t *)" Black and white effect applied ", CENTER_MODE);
break;
case CAMERA_BLACK_WHITE_NEGATIVE :
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - CAMERA_STATUS_TEXT_POS, (uint8_t *)" Negative effect applied ", CENTER_MODE);
break;
case CAMERA_BLACK_WHITE_BW_NEGATIVE :
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - CAMERA_STATUS_TEXT_POS, (uint8_t *)" BW negative effect applied ", CENTER_MODE);
break;
}
break;
case CAMERA_COLOR_EFFECT :
BSP_CAMERA_ColorEffectConfig(color_effect);
switch (color_effect)
{
case CAMERA_COLOR_EFFECT_ANTIQUE :
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - CAMERA_STATUS_TEXT_POS, (uint8_t *)" Sepia color effect applied ", CENTER_MODE);
break;
case CAMERA_COLOR_EFFECT_BLUE :
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - CAMERA_STATUS_TEXT_POS, (uint8_t *)" Blue color effect applied ", CENTER_MODE);
break;
case CAMERA_COLOR_EFFECT_GREEN :
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - CAMERA_STATUS_TEXT_POS, (uint8_t *)" Green color effect applied ", CENTER_MODE);
break;
case CAMERA_COLOR_EFFECT_RED :
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - CAMERA_STATUS_TEXT_POS, (uint8_t *)" Red color effect applied ", CENTER_MODE);
break;
}
break;
}
}
/* Toggle LED4 */
BSP_LED_Toggle(LED3);
/* Insert 100 ms delay */
HAL_Delay(100);
/* Toggle LED2 */
BSP_LED_Toggle(LED2);
/* Insert 100 ms delay */
HAL_Delay(100);
if (CheckForUserInput() > 0)
{
if (CameraResIndex < CAMERA_RES_INDEX_MAX)
{
CameraResIndex++; /* Switch to higher resolution */
CameraChangeResolutionAsked = 1;
/* Disallow DMA2D copy from Camera frame buffer to LCD Frame buffer location */
Camera_AllowDma2dCopyCamFrmBuffToLcdFrmBuff = 0;
/* Insert 10 ms delay */
HAL_Delay(10);
}
else
{
BSP_CAMERA_DeInit();
exit = 1;
}
}
}
/* Stop camera stream */
camera_status = BSP_CAMERA_Stop();
BSP_TEST_APPLI_ASSERT(camera_status != CAMERA_OK);
/* End of camera demo */
}
/**
* @brief Camera demo
* @param None
* @retval None
*/
void Camera_demo (void)
{
uint8_t status = 0;
uint32_t exit = 0;
uint32_t camera_status = CAMERA_OK;
uint32_t argb8888_Value = 0x00FF00FF; /* = 0xF81F in RGB565 format */
TS_StateTypeDef TS_State;
uint32_t TS_command = TS_RESOLUTION;
Camera_SetHint();
status = BSP_TS_Init(BSP_LCD_GetXSize(), BSP_LCD_GetYSize());
if (status != TS_OK)
{
BSP_LCD_SetBackColor(LCD_COLOR_WHITE);
BSP_LCD_SetTextColor(LCD_COLOR_RED);
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - 95, (uint8_t *)"ERROR", CENTER_MODE);
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - 80, (uint8_t *)"Touchscreen cannot be initialized", CENTER_MODE);
}
/*## Camera Initialization and start capture ############################*/
CameraResIndex = CAMERA_R160x120; /* Set QQVGA default resolution */
CameraResX = CAMERA_QQVGA_RES_X;
CameraResY = CAMERA_QQVGA_RES_Y;
/* Infinite loop */
while (exit == 0)
{
if (TS_command == TS_RESOLUTION) /* A camera change resolution has been asked */
{
TS_command = TS_NO_COMMAND;
BSP_LCD_SetBackColor(LCD_COLOR_BLUE);
BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - CAMERA_STATUS_TEXT_POS, (uint8_t *)"Wait for camera initialization...", CENTER_MODE);
BSP_LCD_SetBackColor(LCD_COLOR_WHITE);
BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
switch (CameraResIndex)
{
case CAMERA_R160x120:
CameraResX = CAMERA_QQVGA_RES_X;
CameraResY = CAMERA_QQVGA_RES_Y;
/* Initialize the Camera */
camera_status = BSP_CAMERA_Init(RESOLUTION_R160x120);
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - CAMERA_STATUS_TEXT_POS, (uint8_t *)" QQVGA camera stream ", CENTER_MODE);
break;
case CAMERA_R320x240:
CameraResX = CAMERA_QVGA_RES_X;
CameraResY = CAMERA_QVGA_RES_Y;
/* Initialize the Camera */
camera_status = BSP_CAMERA_Init(RESOLUTION_R320x240);
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - CAMERA_STATUS_TEXT_POS, (uint8_t *)" QVGA camera stream ", CENTER_MODE);
break;
case CAMERA_R480x272:
CameraResX = CAMERA_480x272_RES_X;
CameraResY = CAMERA_480x272_RES_Y;
/* Initialize the Camera */
camera_status = BSP_CAMERA_Init(RESOLUTION_R480x272);
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - CAMERA_STATUS_TEXT_POS, (uint8_t *)" 480x272 camera stream ", CENTER_MODE);
break;
case CAMERA_R640x480:
CameraResX = CAMERA_VGA_RES_X;
CameraResY = CAMERA_VGA_RES_Y;
/* Initialize the Camera */
camera_status = BSP_CAMERA_Init(RESOLUTION_R640x480);
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - CAMERA_STATUS_TEXT_POS, (uint8_t *)" VGA camera stream ", CENTER_MODE);
break;
default :
break;
}
if (camera_status != CAMERA_OK)
{
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - CAMERA_STATUS_TEXT_POS - 15, (uint8_t *)" CAMERA INIT ERROR ", CENTER_MODE);
}
else
{
offset_cam = 0;
offset_lcd = 0;
display_line_counter = 0;
special_effect = CAMERA_BLACK_WHITE; /* No special effect applied */
color_effect = CAMERA_BLACK_WHITE_NORMAL;
contrast = CAMERA_CONTRAST_LEVEL2; /* Mid-level brightness */
brightness = CAMERA_BRIGHTNESS_LEVEL2; /* Mid-level contrast */
CameraFrameBufferInitComplete = 0;
CameraFrameBufferInitError = 0;
/* Init or Re-Init Camera frame buffer by using DMA2D engine in mode Register to Memory */
camera_status = CameraFrameBufferRgb565_Init(CAMERA_VGA_RES_X,
CAMERA_VGA_RES_Y,
argb8888_Value);
ASSERT(camera_status != CAMERA_OK);
/* Wait end of DMA2D operation of error : via IT callback update */
while((CameraFrameBufferInitComplete == 0) && (CameraFrameBufferInitError == 0)) {;}
/* Assert if error : no transfer complete */
ASSERT(CameraFrameBufferInitComplete != 1);
/* Start / Restart camera stream */
BSP_CAMERA_ContinuousStart((uint8_t *)CAMERA_FRAME_BUFFER);
/* Allow DMA2D copy from Camera frame buffer to LCD Frame buffer location */
Camera_AllowDma2dCopyCamFrmBuffToLcdFrmBuff = 1;
}
} /* (CameraResIndex != CameraCurrentResIndex) */
if (camera_status == CAMERA_OK)
{
/* Check in polling mode in touch screen the touch status and coordinates */
/* if touch occurred */
BSP_TS_GetState(&TS_State);
if(TS_State.touchDetected >= 1)
{
/* Check touch position to apply brightness or contrast change */
if (TS_State.touchDetected == 1)
{
if ((TS_State.touchY[0] < 30) && (brightness < CAMERA_BRIGHTNESS_MAX))
{
TS_command = TS_BRIGHTNESS_INC;
brightness++;
}
else if ((TS_State.touchY[0] > (BSP_LCD_GetYSize() - 30)) && (brightness > CAMERA_BRIGHTNESS_MIN) )
{
TS_command = TS_BRIGHTNESS_DEC;
brightness--;
}
else if ((TS_State.touchX[0] < 30) && (contrast > CAMERA_CONTRAST_MIN))
{
TS_command = TS_CONTRAST_DEC;
contrast--;
}
else if ((TS_State.touchX[0] > (BSP_LCD_GetXSize() - 30)) && (contrast < CAMERA_CONTRAST_MAX))
{
TS_command = TS_CONTRAST_INC;
contrast++;
}
else
{
TS_command = TS_NO_COMMAND;
}
}
/* Special effect change */
if (TS_State.touchDetected == 2)
{
TS_command = TS_EFFECT;
switch (special_effect)
{
case CAMERA_BLACK_WHITE :
if (color_effect < CAMERA_BLACK_WHITE_NORMAL)
{
/* From BW effect to another BW effect */
color_effect++;
}
else
{
/* From BW or none effect to color effect */
special_effect = CAMERA_COLOR_EFFECT;
color_effect = CAMERA_COLOR_EFFECT_BLUE;
}
break;
case CAMERA_COLOR_EFFECT :
if (color_effect < CAMERA_COLOR_EFFECT_ANTIQUE)
{
/* From color effect to another color effect */
color_effect++;
}
else
{
/* From color effect to BW effect */
special_effect = CAMERA_BLACK_WHITE;
color_effect = CAMERA_BLACK_WHITE_BW;
}
break;
default :
/* None effect */
special_effect = CAMERA_BLACK_WHITE;
color_effect = CAMERA_BLACK_WHITE_NORMAL;
break;
}
}
if (TS_command == TS_NO_COMMAND)
{
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - CAMERA_STATUS_TEXT_POS, (uint8_t *)" ", CENTER_MODE);
}
if ((TS_command == TS_BRIGHTNESS_INC) || (TS_command == TS_BRIGHTNESS_DEC) || (TS_command == TS_CONTRAST_INC) || (TS_command == TS_CONTRAST_DEC))
{
/* A brightness change has been asked */
BSP_CAMERA_ContrastBrightnessConfig(contrast, brightness);
if ((TS_command == TS_BRIGHTNESS_INC) || (TS_command == TS_BRIGHTNESS_DEC))
{
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - CAMERA_STATUS_TEXT_POS, (uint8_t *)" Brightness change ", CENTER_MODE);
}
else
{
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - CAMERA_STATUS_TEXT_POS, (uint8_t *)" Contrast change ", CENTER_MODE);
}
}
if (TS_command == TS_EFFECT)
{
/* A color effect change has been asked */
switch (special_effect)
{
case CAMERA_BLACK_WHITE :
BSP_CAMERA_BlackWhiteConfig(color_effect);
switch (color_effect)
{
case CAMERA_BLACK_WHITE_NORMAL :
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - CAMERA_STATUS_TEXT_POS, (uint8_t *)" No effect applied ", CENTER_MODE);
break;
case CAMERA_BLACK_WHITE_BW :
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - CAMERA_STATUS_TEXT_POS, (uint8_t *)" Black and white effect applied ", CENTER_MODE);
break;
case CAMERA_BLACK_WHITE_NEGATIVE :
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - CAMERA_STATUS_TEXT_POS, (uint8_t *)" Negative effect applied ", CENTER_MODE);
break;
case CAMERA_BLACK_WHITE_BW_NEGATIVE :
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - CAMERA_STATUS_TEXT_POS, (uint8_t *)" BW negative effect applied ", CENTER_MODE);
break;
}
break;
case CAMERA_COLOR_EFFECT :
BSP_CAMERA_ColorEffectConfig(color_effect);
switch (color_effect)
{
case CAMERA_COLOR_EFFECT_ANTIQUE :
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - CAMERA_STATUS_TEXT_POS, (uint8_t *)" Sepia color effect applied ", CENTER_MODE);
break;
case CAMERA_COLOR_EFFECT_BLUE :
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - CAMERA_STATUS_TEXT_POS, (uint8_t *)" Blue color effect applied ", CENTER_MODE);
break;
case CAMERA_COLOR_EFFECT_GREEN :
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - CAMERA_STATUS_TEXT_POS, (uint8_t *)" Green color effect applied ", CENTER_MODE);
break;
case CAMERA_COLOR_EFFECT_RED :
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - CAMERA_STATUS_TEXT_POS, (uint8_t *)" Red color effect applied ", CENTER_MODE);
break;
}
break;
}
}
if (TS_State.touchDetected >= 3) /* 3 or more fingers touch to change resolution */
{
TS_command = TS_RESOLUTION;
if (CameraResIndex < CAMERA_RES_INDEX_MAX)
{
CameraResIndex++; /* Switch to higher resolution */
}
else
{
CameraResIndex = CAMERA_RES_INDEX_MIN;
}
/* Disallow DMA2D copy from Camera frame buffer to LCD Frame buffer location */
Camera_AllowDma2dCopyCamFrmBuffToLcdFrmBuff = 0;
/* Insert 10 ms delay */
HAL_Delay(10);
/* Stop camera stream */
camera_status = BSP_CAMERA_Stop();
ASSERT(camera_status != CAMERA_OK);
/* Clear screen */
Camera_SetHint();
}
/* Wait for touch screen no touch detected */
do
{
BSP_TS_GetState(&TS_State);
}while(TS_State.touchDetected > 0);
}
}
if (CheckForUserInput() > 0)
{
exit = 1;
}
}
if (camera_status == CAMERA_OK)
{
/* Stop camera stream */
camera_status = BSP_CAMERA_Stop();
ASSERT(camera_status != CAMERA_OK);
}
/* End of camera demo */
}
/**
* @brief Main program
* @param None
* @retval None
*/
int main(void)
{
/* STM32F4xx HAL library initialization:
- Configure the Flash prefetch, instruction and Data caches
- Configure the Systick to generate an interrupt each 1 msec
- Set NVIC Group Priority to 4
- Global MSP (MCU Support Package) initialization
*/
HAL_Init();
/* Configure the system clock to 168 MHz */
SystemClock_Config();
/* Configure LED1 and LED3 */
BSP_LED_Init(LED1);
BSP_LED_Init(LED3);
/*##-1- Init Host Library ##################################################*/
USBH_Init(&hUSB_Host, USBH_UserProcess, 0);
/* Add Supported Class */
USBH_RegisterClass(&hUSB_Host, USBH_MSC_CLASS);
/* Start Host Process */
USBH_Start(&hUSB_Host);
/*##-2- Disable SAI1_SDA signal ############################################*/
/* Note: In STM324x9I-EVAL RevB, PE6 pin is shared between data_7 of camera
and SAI1_SDA of codec WM8994, after power on, SAI1_SDA pin of codec WM8994
is in output state, thus preventing MCU from receiving correct signal
from camera, so we need to configure SAI1_SDA pin of codec WM8994
in tri-state */
/* Initialize the Control interface of the Audio Codec */
BSP_AUDIO_OUT_Init(OUTPUT_DEVICE_SPEAKER, 70, AUDIO_FREQUENCY_48K);
/* ADCDAT1 is tri-stated */
AUDIO_IO_Write(AUDIO_I2C_ADDRESS, 0x200, 0);
AUDIO_IO_Write(AUDIO_I2C_ADDRESS, 0x300, 0x6010);
/*##-3- Configure TAMPER Button ############################################*/
BSP_PB_Init(BUTTON_TAMPER, BUTTON_MODE_GPIO);
/*##-4- Link the USB Host disk I/O driver ##################################*/
FATFS_LinkDriver(&USBH_Driver, MSC_Path);
/*##-5- Initialize the LCD #################################################*/
BSP_LCD_Init();
/* Foreground Layer Initialization */
BSP_LCD_LayerDefaultInit(1, LCD_FRAME_BUFFER_LAYER1);
/* Set Foreground Layer */
BSP_LCD_SelectLayer(1);
/* Clear the LCD Foreground layer */
BSP_LCD_Clear(LCD_COLOR_WHITE);
BSP_LCD_SetLayerVisible(1, DISABLE);
/* Background Layer Initialization */
BSP_LCD_LayerDefaultInit(0, LCD_FRAME_BUFFER);
/* Enable the LCD */
BSP_LCD_DisplayOn();
/* Select the LCD Foreground layer */
BSP_LCD_SelectLayer(0);
BSP_LCD_Clear(LCD_COLOR_WHITE);
/*##-6- Camera Initialization and start capture ############################*/
/* Initialize the Camera */
BSP_CAMERA_Init(RESOLUTION_R480x272);
/* Start the Camera Capture */
BSP_CAMERA_ContinuousStart((uint8_t *)CAMERA_FRAME_BUFFER);
/*##-7- Run Application ####################################################*/
while (1)
{
/* USB Host Background task */
USBH_Process(&hUSB_Host);
switch(Appli_state)
{
case STORAGE_READY:
CAMERA_Capture();
break;
case STORAGE_IDLE:
break;
}
}
}
/**
* @brief Camera demo
* @param None
* @retval None
*/
void Camera_demo (void)
{
uint8_t status = 0;
uint16_t *ptrCamera;
uint32_t i;
uint32_t exit = 0;
Camera_SetHint();
status = BSP_JOY_Init(JOY_MODE_GPIO);
/* Initialize the SDRAM for CAMERA_FRAME_BUFFER */
BSP_SDRAM_Init();
if (status != IO_OK)
{
BSP_LCD_SetBackColor(LCD_COLOR_WHITE);
BSP_LCD_SetTextColor(LCD_COLOR_RED);
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize()- CAMERA_STATUS_TEXT_POS, (uint8_t *)"ERROR", CENTER_MODE);
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize()- CAMERA_STATUS_TEXT_POS - 15, (uint8_t *)"Joystick cannot be initialized", CENTER_MODE);
status = 0;
}
/*## Camera Initialization and start capture ############################*/
BSP_LCD_SetBackColor(LCD_COLOR_BLUE);
BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize()- CAMERA_STATUS_TEXT_POS, (uint8_t *)"Wait for camera initialization...", CENTER_MODE);
/* Init Camera buffer */
ptrCamera = (uint16_t*)(CAMERA_FRAME_BUFFER);
CameraResIndex = CAMERA_R160x120; /* Set QQVGA default resolution */
CameraChangeResolutionAsked = 1;
for (i=0; i<(CAMERA_QVGA_RES_X * CAMERA_QVGA_RES_Y); i++) /* Camera buffer initialization */
{
ptrCamera[i]=0xFFFF;
}
/* Initialize IO */
BSP_IO_Init();
/* Infinite loop */
while(exit == 0)
{
if (CameraChangeResolutionAsked) /* A camera change resolution has been asked */
{
CameraChangeResolutionAsked = 0;
if (CameraResIndex > CAMERA_R160x120)
{ /* If camera stream already started, it has to be stopped before reconfiguration */
/* Stop camera stream */
status = BSP_CAMERA_Stop();
ASSERT(status != CAMERA_OK);
/* Clear screen */
Camera_SetHint();
BSP_LCD_SetBackColor(LCD_COLOR_BLUE);
BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize()- CAMERA_STATUS_TEXT_POS, (uint8_t *)"Wait for camera initialization...", CENTER_MODE);
}
BSP_LCD_SetBackColor(LCD_COLOR_WHITE);
BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
status = 0;
switch (CameraResIndex)
{
case CAMERA_R160x120:
/* Initialize the Camera */
status = BSP_CAMERA_Init(RESOLUTION_R160x120);
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize()- CAMERA_STATUS_TEXT_POS, (uint8_t *)" QQVGA camera stream ", CENTER_MODE);
break;
case CAMERA_R320x240:
/* Initialize the Camera */
status = BSP_CAMERA_Init(RESOLUTION_R320x240);
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize()- CAMERA_STATUS_TEXT_POS, (uint8_t *)" QVGA camera stream ", CENTER_MODE);
break;
}
if (status != CAMERA_OK)
{
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize()- CAMERA_STATUS_TEXT_POS - 15, (uint8_t *)" CAMERA INIT ERROR ", CENTER_MODE);
}
/* Start / Restart camera stream */
BSP_CAMERA_ContinuousStart((uint8_t *)CAMERA_FRAME_BUFFER);
} /* (CameraResIndex != CameraCurrentResIndex) */
/* Toggle LED4 */
BSP_LED_Toggle(LED3);
/* Insert 100 ms delay */
HAL_Delay(100);
/* Toggle LED2 */
BSP_LED_Toggle(LED2);
/* Insert 100 ms delay */
HAL_Delay(100);
if(CheckForUserInput() > 0)
{
if (CameraResIndex < CAMERA_RES_INDEX_MAX)
{
CameraResIndex++; /* Switch to higher resolution */
CameraChangeResolutionAsked = 1;
}
else
{
BSP_CAMERA_DeInit();
exit = 1;
}
}
}
/* Stop camera stream */
status = BSP_CAMERA_Stop();
ASSERT(status != CAMERA_OK);
/* End of camera demo */
}
/**
* @brief Main program
* @param None
* @retval None
*/
int main(void)
{
uint8_t lcd_status = LCD_OK;
p_bmp_converted_pixel_data = (uint8_t *)CONVERTED_FRAME_BUFFER;
offset_address_area_cam_in_lcd_buffer = ((((LcdResY - CameraResY) / 2) * LcdResX)
+ ((LcdResX - CameraResX) / 2))
* ARGB8888_BYTE_PER_PIXEL;
/* For the first Camera line event callback : set the offset to display camera image in the center */
/* of LCD frame buffer background */
lcd_datapointer = offset_address_area_cam_in_lcd_buffer;
/* STM32F4xx HAL library initialization:
- Configure the Flash prefetch, instruction and Data caches
- Configure the Systick to generate an interrupt each 1 msec
- Set NVIC Group Priority to 4
- Global MSP (MCU Support Package) initialization
*/
HAL_Init();
/* Configure the system clock to 180 MHz */
SystemClock_Config();
BSP_IO_Init();
/* Reset and power down camera to be sure camera is Off prior start testing BSP */
BSP_CAMERA_HwReset();
BSP_CAMERA_PwrDown();
/* Configure LED1 and LED3 */
BSP_LED_Init(LED1);
BSP_LED_Init(LED3);
/*##-1- LCD DSI initialization in mode Video Burst with two LTDC layers of size 800x480 */
lcd_status = BSP_LCD_Init();
if(lcd_status != LCD_OK)
{
Error_Handler();
}
BSP_LCD_LayerDefaultInit(LTDC_ACTIVE_LAYER_BACKGROUND, LCD_BG_LAYER_ADDRESS);
BSP_LCD_LayerDefaultInit(LTDC_ACTIVE_LAYER_FOREGROUND, LCD_FB_START_ADDRESS);
/* Select Foreground Layer */
BSP_LCD_SelectLayer(LTDC_ACTIVE_LAYER_FOREGROUND);
/* Clear the LCD Foreground layer */
BSP_LCD_Clear(LCD_COLOR_WHITE);
/* Disable the LTDC Foreground layer */
BSP_LCD_SetLayerVisible(LTDC_ACTIVE_LAYER_FOREGROUND, DISABLE);
/* Select the LCD Background layer */
BSP_LCD_SelectLayer(LTDC_ACTIVE_LAYER_BACKGROUND);
BSP_LCD_Clear(LCD_COLOR_WHITE);
/*##-2- Init Host Library ##################################################*/
/* Display USB initialization message */
BSP_LCD_SetTextColor(LCD_COLOR_DARKBLUE);
BSP_LCD_SetFont(&Font24);
BSP_LCD_DisplayStringAt(20, (BSP_LCD_GetYSize() - 24), (uint8_t *)"USB init ..", RIGHT_MODE);
USBH_Init(&hUSB_Host, USBH_UserProcess, 0);
/* Add Supported Class */
USBH_RegisterClass(&hUSB_Host, USBH_MSC_CLASS);
/* Start Host Process */
USBH_Start(&hUSB_Host);
/*##-3- Configure TAMPER Button ############################################*/
BSP_PB_Init(BUTTON_TAMPER, BUTTON_MODE_GPIO);
/*##-4- Link the USB Host disk I/O driver ##################################*/
FATFS_LinkDriver(&USBH_Driver, MSC_Path);
/*##-5- Camera Initialization and start capture ############################*/
/* Display camera initialization message */
BSP_LCD_DisplayStringAt(20, (BSP_LCD_GetYSize() - 24), (uint8_t *)"Camera init ..", RIGHT_MODE);
/* Initialize the Camera */
BSP_CAMERA_Init(RESOLUTION_R480x272);
/* Start the Camera Capture */
BSP_CAMERA_ContinuousStart((uint8_t *)CAMERA_FRAME_BUFFER);
BSP_LCD_DisplayStringAt(20, (BSP_LCD_GetYSize() - 48), (uint8_t *)"Press TAMPER button to take snapshot", RIGHT_MODE);
BSP_LCD_DisplayStringAt(20, (BSP_LCD_GetYSize() - 24), (uint8_t *)"Camera Play ..", RIGHT_MODE);
/*##-6- Run Application ####################################################*/
while (1)
{
/* USB Host Background task */
USBH_Process(&hUSB_Host);
switch(Appli_state)
{
case STORAGE_READY:
CAMERA_Capture();
break;
case STORAGE_IDLE:
break;
}
}
}
/**
* @brief Animation demo
* @param None
* @retval None
*/
void Animation_demo (void)
{
uint32_t exit = 0;
uint32_t CameraChangeResolutionAsked = 1;
#ifdef USE_CAMERA_IN_ANIMATION
uint32_t camera_status = CAMERA_OK;
uint32_t argb8888_Value = 0x00556677;
uint32_t CameraResX = CAMERA_VGA_RES_X;
uint32_t CameraResY = CAMERA_VGA_RES_Y;
#endif /* USE_CAMERA_IN_ANIMATION */
Animation_SetHint();
/*## Camera Initialization and start capture ############################*/
BSP_LCD_SetBackColor(LCD_COLOR_BLUE);
BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
#ifdef USE_CAMERA_IN_ANIMATION
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - ANIMATION_STATUS_TEXT_POS, (uint8_t *)"Wait for camera initialization...", CENTER_MODE);
#endif /* USE_CAMERA_IN_ANIMATION */
/* Infinite loop */
while (exit == 0)
{
if(CameraChangeResolutionAsked) /* A camera change resolution has been asked */
{
CameraChangeResolutionAsked = 0;
BSP_LCD_SetBackColor(LCD_COLOR_WHITE);
BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
#ifdef USE_CAMERA_IN_ANIMATION
/* Initialize the Camera */
camera_status = BSP_CAMERA_Init(RESOLUTION_R640x480);
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - ANIMATION_STATUS_TEXT_POS, (uint8_t *)" VGA camera stream ", CENTER_MODE);
if (camera_status != CAMERA_OK)
{
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - ANIMATION_STATUS_TEXT_POS - 15, (uint8_t *)" CAMERA INIT ERROR ", CENTER_MODE);
}
#endif /* USE_CAMERA_IN_ANIMATION */
/* Clear first the LCD */
BSP_LCD_Clear(LCD_COLOR_WHITE);
#ifdef USE_CAMERA_IN_ANIMATION
/* Init or Re-Init Camera frame buffer by using DMA2D engine in mode Register to Memory */
camera_status = AnimationCameraFrameBufferRgb565_Init(CameraResX,
CameraResY,
argb8888_Value);
BSP_TEST_APPLI_ASSERT(camera_status != CAMERA_OK);
/* Start / Restart camera stream */
BSP_CAMERA_ContinuousStart((uint8_t *)CAMERA_FB_START_ADDR);
#endif /* USE_CAMERA_IN_ANIMATION */
/* Forbid in that case the DMA2D copy from Camera frame buffer to LCD Frame buffer location by BSP_CAMERA_LineEventCallback() */
Camera_AllowDma2dCopyCamFrmBuffToLcdFrmBuff = 0;
} /* of if (CameraChangeResolutionAsked) */
/* Toggle LED4 */
BSP_LED_Toggle(LED4);
/* Insert 100 ms delay */
HAL_Delay(100);
/* Toggle LED2 */
BSP_LED_Toggle(LED2);
/* Insert 400 ms delay */
HAL_Delay(400);
if(CheckForUserInput() > 0)
{
exit = 1;
}
anime_draw_scene(anime_lcd_frame_buffer);
} /* of while (exit == 0) */
#ifdef USE_CAMERA_IN_ANIMATION
/* Stop camera stream */
camera_status = BSP_CAMERA_Stop();
BSP_TEST_APPLI_ASSERT(camera_status != CAMERA_OK);
#endif /* USE_CAMERA_IN_ANIMATION */
}
/**
* @brief Main program
* @param None
* @retval None
*/
int main(void)
{
/* STM32F4xx HAL library initialization:
- Configure the Flash prefetch, instruction and Data caches
- Configure the Systick to generate an interrupt each 1 msec
- Set NVIC Group Priority to 4
- Global MSP (MCU Support Package) initialization
*/
HAL_Init();
/* Configure the system clock to 168 MHz */
SystemClock_Config();
/* Configure LED1 and LED3 */
BSP_LED_Init(LED1);
BSP_LED_Init(LED3);
/*##-1- Init Host Library ##################################################*/
USBH_Init(&hUSB_Host, USBH_UserProcess, 0);
/* Add Supported Class */
USBH_RegisterClass(&hUSB_Host, USBH_MSC_CLASS);
/* Start Host Process */
USBH_Start(&hUSB_Host);
/*##-2- Configure Tamper button ############################################*/
BSP_PB_Init(BUTTON_TAMPER, BUTTON_MODE_GPIO);
/*##-3- Link the USB Host disk I/O driver ##################################*/
FATFS_LinkDriver(&USBH_Driver, MSC_Path);
/*##-4- Initialize the SRAM and LCD ########################################*/
BSP_LCD_Init();
BSP_SRAM_Init();
/*##-5- Camera Initialization and start capture ############################*/
/* Initialize the Camera */
BSP_CAMERA_Init(RESOLUTION_R320x240);
/* Start the Camera Capture */
BSP_CAMERA_ContinuousStart((uint8_t *)CAMERA_FRAME_BUFFER);
/*##-6- Run Application ####################################################*/
while (1)
{
/* USB Host Background task */
USBH_Process(&hUSB_Host);
switch(Appli_state)
{
case STORAGE_READY:
CAMERA_Capture();
break;
case STORAGE_IDLE:
default:
break;
}
}
}
/**
* @brief Main program
* @param None
* @retval None
*/
int main(void)
{
/* Enable the CPU Cache */
CPU_CACHE_Enable();
/* STM32F7xx HAL library initialization:
- Configure the Flash ART accelerator on ITCM interface
- Configure the Systick to generate an interrupt each 1 msec
- Set NVIC Group Priority to 4
- Global MSP (MCU Support Package) initialization
*/
HAL_Init();
/* Configure the system clock to 200 MHz */
SystemClock_Config();
/* Configure LED1 and LED3 */
BSP_LED_Init(LED1);
BSP_LED_Init(LED3);
/*##-1- Initialize the LCD #################################################*/
/* Two layers are used in this application simultaneously
so "LCD_MIN_PCLK" is recommended to programme the PCLK at 20 MHz */
BSP_LCD_InitEx(LCD_MIN_PCLK);
/* Foreground Layer Initialization */
BSP_LCD_LayerDefaultInit(1, LCD_FRAME_BUFFER_LAYER1);
/* Set Foreground Layer */
BSP_LCD_SelectLayer(1);
/* Clear the LCD Foreground layer */
BSP_LCD_Clear(LCD_COLOR_WHITE);
BSP_LCD_SetLayerVisible(1, DISABLE);
/* Background Layer Initialization */
BSP_LCD_LayerDefaultInit(0, LCD_FRAME_BUFFER);
/* Enable the LCD */
BSP_LCD_DisplayOn();
/* Select the LCD Foreground layer */
BSP_LCD_SelectLayer(0);
BSP_LCD_Clear(LCD_COLOR_WHITE);
BSP_LCD_SetLayerWindow(0, 0, 0, 480, 272);
/*##-2- Init Host Library ##################################################*/
/* Display USB initialization message */
BSP_LCD_SetTextColor(LCD_COLOR_DARKBLUE);
BSP_LCD_SetFont(&Font24);
BSP_LCD_DisplayStringAt(20, (BSP_LCD_GetYSize() - 24), (uint8_t *)"USB init ..", RIGHT_MODE);
USBH_Init(&hUSB_Host, USBH_UserProcess, 0);
/* Add Supported Class */
USBH_RegisterClass(&hUSB_Host, USBH_MSC_CLASS);
/* Start Host Process */
USBH_Start(&hUSB_Host);
/*##-3- Configure TAMPER Button ############################################*/
BSP_PB_Init(BUTTON_TAMPER, BUTTON_MODE_GPIO);
/*##-4- Link the USB Host disk I/O driver ##################################*/
FATFS_LinkDriver(&USBH_Driver, MSC_Path);
/*##-5- Camera Initialization and start capture ############################*/
/* Display camera initialization message */
BSP_LCD_DisplayStringAt(20, (BSP_LCD_GetYSize() - 24), (uint8_t *)"Camera init ..", RIGHT_MODE);
/* Initialize the Camera */
BSP_CAMERA_Init(RESOLUTION_R480x272);
/* Start the Camera Capture */
BSP_CAMERA_ContinuousStart((uint8_t *)CAMERA_FRAME_BUFFER);
/*##-6- Run Application ####################################################*/
while (1)
{
/* USB Host Background task */
USBH_Process(&hUSB_Host);
switch(Appli_state)
{
case STORAGE_READY:
CAMERA_Capture();
break;
case STORAGE_IDLE:
break;
}
}
}
/**
* @brief Main program
* @param None
* @retval None
*/
int main(void)
{
uint8_t lcd_status = LCD_OK;
mfx_toggle_led = 0;
CameraResX = 320;
CameraResY = 240;
LcdResX = 800; /* WVGA landscape */
LcdResY = 480;
offset_cam = 0;
offset_lcd = 0;
display_line_counter = 0;
lcd_frame_buffer_ready = 0;
start_the_camera_capture = 0;
end_the_camera_capture = 0;
/* STM32F4xx HAL library initialization:
- Configure the Flash prefetch, instruction and Data caches
- Systick timer is configured by default as source of time base, but user
can eventually implement his proper time base source (a general purpose
timer for example or other time source), keeping in mind that Time base
duration should be kept 1ms since PPP_TIMEOUT_VALUEs are defined and
handled in milliseconds basis.
- Set NVIC Group Priority to 4
- Low Level Initialization: global MSP (MCU Support Package) initialization
*/
HAL_Init();
/* Configure the system clock to 180 MHz */
SystemClock_Config();
/* Initialize MFX */
BSP_IO_Init();
/* Initialize used Leds */
BSP_LED_Init(LED1);
BSP_LED_Init(LED3);
/*##-1- Initialise the LCD #################################################*/
/* Initialize and start the LCD display in mode LCD_MODE_ADAPTED_COMMAND_TE_DSI_LINK
* and orientation mode LCD_ORIENTATION_LANDSCAPE, using LCD_FRAME_BUFFER
* as LCD frame buffer address.
*/
BSP_LCD_Init();
BSP_LCD_LayerDefaultInit(0, LCD_FB_START_ADDRESS);
OnError_Handler(lcd_status != LCD_OK);
/* Prepare using DMA2D the 800x480 LCD frame buffer to display background color black */
/* and title of the example */
BSP_LCD_Clear(LCD_COLOR_BLACK);
BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
BSP_LCD_SetBackColor(LCD_COLOR_BLUE);
BSP_LCD_SetFont(&Font16);
/* Print example description */
BSP_LCD_DisplayStringAt(0, 440, (uint8_t *)"DCMI Snapshot example", CENTER_MODE);
BSP_LCD_DisplayStringAt(0, 460, (uint8_t *)"Initialize Camera", CENTER_MODE);
/* Initialize the camera frame buffer 320x240 in RGB565 to a fixed grey pattern */
lcd_status = CameraFrameBufferRgb565_Init(CameraResX, CameraResY, 0x55555555);
OnError_Handler(lcd_status != LCD_OK);
/*##-2- Camera Initialization and start capture ############################*/
/* Initialize the Camera in QVGA mode */
BSP_CAMERA_Init(CAMERA_R320x240);
/* Wait 1s to let auto-loops in the camera module converge and lead to correct exposure */
HAL_Delay(1000);
/* Start the Camera Snapshot Capture */
BSP_CAMERA_SnapshotStart((uint8_t *)CAMERA_FRAME_BUFFER);
/* Wait until LCD frame buffer is ready */
while(lcd_frame_buffer_ready == 0) {;}
/* Stop the camera to avoid having the DMA2D work in parallel of Display */
/* which cause perturbation of LTDC */
BSP_CAMERA_Stop();
BSP_LCD_ClearStringLine(460);
BSP_LCD_DisplayStringAt(0, 460, (uint8_t *)"Capture OK - Test End", CENTER_MODE);
/* Notify Test OK */
BSP_LED_On(LED1);
while (1)
{
if ( mfx_toggle_led == 1)
{
BSP_LED_Toggle(LED3);
mfx_toggle_led = 0;
}
}
}
/**
* @brief Callback function of the Settings frame
* @param pMsg: pointer to data structure of type WM_MESSAGE
* @retval None
*/
static void _cbSettingsDialog(WM_MESSAGE * pMsg)
{
int Id, NCode;
WM_HWIN hItem;
switch (pMsg->MsgId)
{
case WM_INIT_DIALOG:
/* Settings frame initialization */
hItem = pMsg->hWin;
FRAMEWIN_AddCloseButton(hItem, FRAMEWIN_BUTTON_RIGHT, 0);
/* Create and attache the MULTIPAGE dialog windows */
hItem = WM_GetDialogItem(pMsg->hWin, ID_MULTIPAGE);
hDialogCameraSettings = GUI_CreateDialogBox(_aDialogCameraSettings,
GUI_COUNTOF(_aDialogCameraSettings),
&_cbCameraSettings, WM_UNATTACHED, 0, 0);
MULTIPAGE_AddPage(hItem, hDialogCameraSettings, "Camera Settings");
hDialogFileControl = GUI_CreateDialogBox(_aDialogFileControl,
GUI_COUNTOF(_aDialogFileControl),
&_cbFileControl, WM_UNATTACHED, 0, 0);
MULTIPAGE_AddPage(hItem, hDialogFileControl, "File Settings");
MULTIPAGE_SelectPage(hItem, 0);
/* 'OK' button initialization */
hItem = WM_GetDialogItem(pMsg->hWin, ID_BUTTON_OK);
BUTTON_SetFont(hItem, GUI_FONT_13B_1);
/* 'Cancel' button initialization */
hItem = WM_GetDialogItem(pMsg->hWin, ID_BUTTON_CANCEL);
BUTTON_SetFont(hItem, GUI_FONT_13B_1);
break;
case WM_DELETE:
camera_disabled = 0;
hSettings = 0;
if(SD_Configured == 1)
{
BSP_CAMERA_Init(RESOLUTION_R160x120);
CAMERA_Configured = 1;
/* Apply new settings*/
SD_Configured = 0;
}
/* Delete choosfile window */
WM_DeleteWindow(chooser_select_folder);
break;
case WM_NOTIFY_PARENT:
Id = WM_GetId(pMsg->hWinSrc);
NCode = pMsg->Data.v;
switch (Id)
{
case ID_BUTTON_OK: /* Notification sent by "OK" button */
switch (NCode)
{
case WM_NOTIFICATION_RELEASED:
/* Save camera settings before delete settings frame */
hItem = WM_GetDialogItem(hDialogCameraSettings, ID_SLIDER_0);
CameraSettings.b.brightness = SLIDER_GetValue(hItem);
hItem = WM_GetDialogItem(hDialogCameraSettings, ID_SLIDER_1);
CameraSettings.b.contrast = SLIDER_GetValue(hItem);
/* Back to normal mode (no effects) */
hItem = WM_GetDialogItem(CAMERA_hWin, ID_RADIO);
RADIO_SetValue(hItem, 0);
if(CAMERA_GetState() != CAMERA_ERROR)
{
/* Apply new settings*/
CAMERA_Set_ContrastBrightness(CameraSettings.b.contrast, CameraSettings.b.brightness);
BSP_CAMERA_BlackWhiteConfig(CAMERA_BLACK_WHITE_NORMAL);
}
GUI_EndDialog(pMsg->hWin, 0);
break;
}
break;
case ID_BUTTON_CANCEL: /* Notification sent by "Cancel" button */
switch (NCode)
{
case WM_NOTIFICATION_RELEASED:
GUI_EndDialog(pMsg->hWin, 0);
break;
}
break;
}
break;
}
}
