/**
* @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 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 */
}
