/**
* @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 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 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 */
}
