/**
* @brief Init camera frame buffer with fixed color in format RGB565
* using DMA2D service.
* @param sizeX: Size in X of rectangular region of the Camera frame buffer to initialize (in pixels unit)
* @param sizeY: Size in Y of rectangular region of the Camera frame buffer to initialize (in lines unit)
* @param argb_Value : Initialization value (pattern ARGB8888) to be applied to all rectangular region selected.
* @retval Status CAMERA_OK or CAMERA_ERROR
*/
static uint32_t AnimationCameraFrameBufferRgb565_Init(uint32_t sizeX, uint32_t sizeY, uint32_t argb8888_Value)
{
HAL_StatusTypeDef hal_status = HAL_OK;
uint32_t status = CAMERA_ERROR;
if((sizeX <= CAMERA_VGA_RES_X) && (sizeY <= CAMERA_VGA_RES_Y))
{
/* Register to memory mode with RGB565 as colorMode */
hdma2d_eval.Init.Mode = DMA2D_R2M; /* Mode Register to Memory */
hdma2d_eval.Init.ColorMode = DMA2D_RGB565; /* Output color mode */
hdma2d_eval.Init.OutputOffset = 0x0; /* No offset in output */
hdma2d_eval.Instance = DMA2D;
hal_status = HAL_DMA2D_Init(&hdma2d_eval);
BSP_TEST_APPLI_ASSERT(hal_status != HAL_OK);
hal_status = HAL_DMA2D_Start(&hdma2d_eval,
argb8888_Value, /* Color value in Register to Memory DMA2D mode */
(uint32_t)CAMERA_FB_START_ADDR, /* DMA2D output buffer */
sizeX, /* width of buffer in pixels */
sizeY); /* height of buffer in lines */
BSP_TEST_APPLI_ASSERT(hal_status != HAL_OK);
/* Polling For DMA transfer */
hal_status = HAL_DMA2D_PollForTransfer(&hdma2d_eval, 10);
BSP_TEST_APPLI_ASSERT(hal_status != HAL_OK);
status = CAMERA_OK;
}
return (status);
}
/**
* @brief Init camera frame buffer with fixed color in format RGB565
* to a LCD display frame buffer line in format ARGB8888 using DMA2D service.
* @param sizeX: Size in X of rectangular region of the Camera frame buffer to initialize (in pixels unit)
* @param sizeX: Size in X of rectangular region of the Camera frame buffer to initialize (in pixels unit)
* @param argb_Value : Initialization value (pattern ARGB8888) to be applied to all rectangular region selected.
* @retval Status CAMERA_OK or CAMERA_ERROR
*/
static uint32_t CameraFrameBufferRgb565_Init(uint32_t sizeX, uint32_t sizeY, uint32_t argb8888_Value)
{
HAL_StatusTypeDef hal_status = HAL_OK;
uint32_t status = CAMERA_ERROR;
if((sizeX <= CAMERA_VGA_RES_X) && (sizeY <= CAMERA_VGA_RES_Y))
{
/* Register to memory mode with RGB565 as colorMode */
hdma2d_eval.Init.Mode = DMA2D_R2M; /* Mode Register to Memory */
hdma2d_eval.Init.ColorMode = DMA2D_RGB565; /* Output color mode */
hdma2d_eval.Init.OutputOffset = 0x0; /* No offset in output */
/* Set callback functions on transfer complete and transfer error */
hdma2d_eval.XferCpltCallback = Camera_FrameBuffer_Init_TransferComplete;
hdma2d_eval.XferErrorCallback = Camera_FrameBuffer_Init_TransferError;
hdma2d_eval.Instance = DMA2D;
hal_status = HAL_DMA2D_Init(&hdma2d_eval);
BSP_TEST_APPLI_ASSERT(hal_status != HAL_OK);
hal_status = HAL_DMA2D_Start_IT(&hdma2d_eval,
argb8888_Value, /* Color value in Register to Memory DMA2D mode */
(uint32_t)CAMERA_FB_START_ADDR, /* DMA2D output buffer */
sizeX, /* width of buffer in pixels */
sizeY); /* height of buffer in lines */
BSP_TEST_APPLI_ASSERT(hal_status != HAL_OK);
status = CAMERA_OK;
}
return (status);
}
/**
* @brief Touchscreen Demo3 : test touchscreen single and dual touch in interrupt mode
* @param None
* @retval None
*/
void Touchscreen_demo3(void)
{
uint8_t exitTsUseCase = 0;
uint32_t ts_status = TS_OK;
/* Reset touch data information */
BSP_TEST_APPLI_ASSERT(BSP_TS_ResetTouchData(&TS_State));
/* If calibration is not yet done, this is an error : touchscreen demo 1 should have been run before anyway */
if (TouchScreen_IsCalibrationDone() == 0)
{
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - 65, (uint8_t *)"ERROR : touchscreen not yet calibrated.", CENTER_MODE);
ts_status = TS_ERROR;
}
if(ts_status == TS_OK)
{
/* Display touch screen demo3 description */
Touchscreen_SetHint_Demo(TOUCHSCREEN_DEMO_3);
/* Set touchscreen in Interrupt mode and program MFX accordingly to receipt INT falling edge from MFX */
/* and generate EXTI when occurs */
ts_status = BSP_TS_ITConfig();
BSP_TEST_APPLI_ASSERT(ts_status != TS_OK);
while (exitTsUseCase == 0)
{
/* In order to avoid using I2C to ask MFX when not need (e.g. BSP_TS_ITGetStatus) */
/* check first if EXTI occurred */
/* Note : variable 'ts_exti_received' is set to 1b1' by HAL_GPIO_EXTI_Callback() */
if(mfx_exti_received == 1)
{
mfx_exti_received = 0;
if(BSP_TS_ITGetStatus() == TS_IRQ_PENDING)
{
/* Clear first BSP TS IRQ */
BSP_TS_ITClear();
/* Handle the new touch */
Touchscreen_Handle_NewTouch();
}
}
/* Wait for a key button press to switch to next test case of BSP validation application */
/* Otherwise stay in the test */
exitTsUseCase = CheckForUserInput();
HAL_Delay(10);
} /* of while (exitTsUseCase == 0) */
} /* of if(status == TS_OK) */
}
/**
* @brief Converts a camera buffer line of format RGB565
* to a LCD display frame buffer column in format ARGB8888 using DMA2D service.
* This handles the rotation of 90 degrees hour direction of camera buffer.
* @param pSrc: Pointer to source buffer
* @param pDst: Pointer to destination buffer
* @param xSize: Buffer width
* @param lineStridePixels: line stride in pixels unit
* @retval None
*/
static void ConvertCameraLineRgb565ToLcdColumnARGB8888(void *pSrc, void *pDst, uint32_t xSize, uint32_t lineStridePixels)
{
HAL_StatusTypeDef hal_status = HAL_OK;
/* Configure the DMA2D Mode, Color Mode and output offset */
hdma2d_eval.Init.Mode = DMA2D_M2M_PFC;
hdma2d_eval.Init.ColorMode = DMA2D_ARGB8888;
hdma2d_eval.Init.OutputOffset = lineStridePixels;
/* Foreground Configuration */
hdma2d_eval.LayerCfg[1].AlphaMode = DMA2D_NO_MODIF_ALPHA;
hdma2d_eval.LayerCfg[1].InputAlpha = 0xFF;
hdma2d_eval.LayerCfg[1].InputColorMode = DMA2D_RGB565;
hdma2d_eval.LayerCfg[1].InputOffset = 0;
hdma2d_eval.Instance = DMA2D;
/* DMA2D Initialization */
if (HAL_DMA2D_Init(&hdma2d_eval) == HAL_OK)
{
if (HAL_DMA2D_ConfigLayer(&hdma2d_eval, 1) == HAL_OK)
{
/* xSize x 1 = size in pixels to copy */
/* Width = 1, Height = xSize */
if (HAL_DMA2D_Start(&hdma2d_eval, (uint32_t)pSrc, (uint32_t)pDst, 1, xSize) == HAL_OK)
{
/* Polling For DMA transfer */
hal_status = HAL_DMA2D_PollForTransfer(&hdma2d_eval, 10);
BSP_TEST_APPLI_ASSERT(hal_status != HAL_OK);
}
}
}
}
/**
* @brief Touchscreen Demo2 : test touchscreen single and dual touch in polling mode
* @param None
* @retval None
*/
void Touchscreen_demo2(void)
{
uint8_t exitTsUseCase = 0;
uint32_t ts_status = TS_OK;
/* Reset touch data information */
BSP_TEST_APPLI_ASSERT(BSP_TS_ResetTouchData(&TS_State));
/* If calibration is not yet done, this is an error : touchscreen demo 1 should have been run before anyway */
if (TouchScreen_IsCalibrationDone() == 1)
{
} /* of if (TouchScreen_IsCalibrationDone() == 1) */
else
{
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - 65, (uint8_t *)"ERROR : touchscreen not yet calibrated.", CENTER_MODE);
ts_status = TS_ERROR;
}
if(ts_status == TS_OK)
{
/* Display touch screen demo2 description */
Touchscreen_SetHint_Demo(TOUCHSCREEN_DEMO_2);
while (exitTsUseCase == 0)
{
Touchscreen_Handle_NewTouch();
/* Wait for a key button press to switch to next test case of BSP validation application */
/* Otherwise stay in the test */
exitTsUseCase = CheckForUserInput();
HAL_Delay(100);
} /* of while (exitTsUseCase == 0) */
} /* of if(status == TS_OK) */
}
/**
* @brief LCD Log demo
* @param None
* @retval None
*/
void Log_demo(void)
{
TS_ActionTypeDef ts_action = TS_ACT_NONE;
uint8_t ts_status = TS_OK;
uint8_t i = 0;
/* Wait For User inputs */
while (CheckForUserInput() == 0);
if (TouchScreen_IsCalibrationDone() == 0)
{
ts_status = Touchscreen_Calibration();
if(ts_status == TS_OK)
{
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - 65, (uint8_t *)"Touchscreen calibration success.", CENTER_MODE);
}
else
{
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - 65, (uint8_t *)"ERROR : touchscreen not yet calibrated.", CENTER_MODE);
ts_status = TS_ERROR;
}
} /* of if (TouchScreen_IsCalibrationDone() == 0) */
/* Initialize LCD Log module */
LCD_LOG_Init();
/* Show Header and Footer texts */
LCD_LOG_SetHeader((uint8_t *)"Log Example");
LCD_LOG_SetFooter((uint8_t *)"Use touch up/down to scroll");
/* Output User logs */
for (i = 0; i < 10; i++)
{
LCD_UsrLog ("This is Line %d \n", i);
}
HAL_Delay(1000);
/* Clear Old logs */
LCD_LOG_ClearTextZone();
/* Output new user logs */
for (i = 0; i < 30; i++)
{
LCD_UsrLog ("This is Line %d \n", i);
}
if(ts_status == TS_OK)
{
/* Set touchscreen in Interrupt mode and program EXTI accordingly on falling edge of TS_INT pin */
ts_status = BSP_TS_ITConfig();
BSP_TEST_APPLI_ASSERT(ts_status != TS_OK);
Touchscreen_DrawBackground_Circle_Buttons(32);
BSP_LCD_SetFont(&Font12);
}
/* Check for joystick user input for scroll (back and forward) */
while (1)
{
ts_action = (TS_ActionTypeDef) TouchScreen_GetTouchPosition();
switch (ts_action)
{
case TS_ACT_SCROLL_UP:
LCD_LOG_ScrollBack();
break;
case TS_ACT_SCROLL_DOWN:
LCD_LOG_ScrollForward();
break;
default:
break;
}
if (CheckForUserInput() > 0)
{
return;
}
HAL_Delay (10);
}
}
/**
* @brief Audio Play demo
* @param None
* @retval None
*/
void AudioPlay_demo (void)
{
uint8_t ts_status = TS_OK;
uint32_t *AudioFreq_ptr;
AudioFreq_ptr = AudioFreq+6; /*AF_48K*/
uint8_t FreqStr[256] = {0};
Point Points2[] = {{100, 140}, {160, 180}, {100, 220}};
uwPauseEnabledStatus = 1; /* 0 when audio is running, 1 when Pause is on */
uwVolume = AUDIO_DEFAULT_VOLUME;
if (TouchScreen_IsCalibrationDone() == 0)
{
ts_status = Touchscreen_Calibration();
if(ts_status == TS_OK)
{
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - 65, (uint8_t *)"Touchscreen calibration success.", CENTER_MODE);
}
else
{
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - 65, (uint8_t *)"ERROR : touchscreen not yet calibrated.", CENTER_MODE);
ts_status = TS_ERROR;
}
} /* of if (TouchScreen_IsCalibrationDone() == 0) */
AudioPlay_SetHint();
BSP_LCD_SetFont(&Font20);
/* if(BSP_AUDIO_OUT_Init(OUTPUT_DEVICE_SPEAKER, uwVolume, *AudioFreq_ptr) == 0)
if(BSP_AUDIO_OUT_Init(OUTPUT_DEVICE_BOTH, uwVolume, *AudioFreq_ptr) == 0)*/
if(BSP_AUDIO_OUT_Init(OUTPUT_DEVICE_BOTH, uwVolume, *AudioFreq_ptr) == 0)
{
BSP_LCD_SetBackColor(LCD_COLOR_WHITE);
BSP_LCD_SetTextColor(LCD_COLOR_GREEN);
BSP_LCD_DisplayStringAt(0, LINE(6), (uint8_t *)" AUDIO CODEC OK ", CENTER_MODE);
}
else
{
BSP_LCD_SetBackColor(LCD_COLOR_WHITE);
BSP_LCD_SetTextColor(LCD_COLOR_RED);
BSP_LCD_DisplayStringAt(0, LINE(6), (uint8_t *)" AUDIO CODEC FAIL ", CENTER_MODE);
BSP_LCD_DisplayStringAt(0, LINE(7), (uint8_t *)" Try to reset board ", CENTER_MODE);
}
/*
Start playing the file from a circular buffer, once the DMA is enabled, it is
always in running state. Application has to fill the buffer with the audio data
using Transfer complete and/or half transfer complete interrupts callbacks
(DISCOVERY_AUDIO_TransferComplete_CallBack() or DISCOVERY_AUDIO_HalfTransfer_CallBack()...
*/
AUDIO_Play_Start((uint32_t *)AUDIO_SRC_FILE_ADDRESS, (uint32_t)AUDIO_FILE_SIZE);
/* Display the state on the screen */
BSP_LCD_SetBackColor(LCD_COLOR_WHITE);
BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
BSP_LCD_DisplayStringAt(0, LINE(8), (uint8_t *)" PLAYING... ", CENTER_MODE);
sprintf((char*)FreqStr, " VOL: %3lu ", uwVolume);
BSP_LCD_DisplayStringAt(0, LINE(9), (uint8_t *)FreqStr, CENTER_MODE);
sprintf((char*)FreqStr, " FREQ: %6lu ", *AudioFreq_ptr);
BSP_LCD_DisplayStringAt(0, LINE(10), (uint8_t *)FreqStr, CENTER_MODE);
BSP_LCD_SetFont(&Font16);
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - 40, (uint8_t *)"Hear nothing ? Have you copied the audio file with STM-LINK UTILITY ?", CENTER_MODE);
if(ts_status == TS_OK)
{
/* Set touchscreen in Interrupt mode and program EXTI accordingly on falling edge of TS_INT pin */
ts_status = BSP_TS_ITConfig();
BSP_TEST_APPLI_ASSERT(ts_status != TS_OK);
Touchscreen_DrawBackground_Circle_Buttons(16);
}
BSP_LCD_SetFont(&Font20);
/* draw play triangle */
BSP_LCD_SetTextColor(LCD_COLOR_GREEN);
BSP_LCD_FillPolygon(Points2, 3);
/* IMPORTANT:
AUDIO_Play_Process() is called by the SysTick Handler, as it should be called
within a periodic process */
/* Infinite loop */
while (1)
{
BSP_LCD_SetBackColor(LCD_COLOR_WHITE);
BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
/* Get the TouchScreen State */
ts_action = (TS_ActionTypeDef) TouchScreen_GetTouchPosition();
switch (ts_action)
{
case TS_ACT_VOLUME_UP:
/* Increase volume by 5% */
if (uwVolume < 95)
uwVolume += 5;
else
uwVolume = 100;
sprintf((char*)FreqStr, " VOL: %3lu ", uwVolume);
BSP_AUDIO_OUT_SetVolume(uwVolume);
BSP_LCD_DisplayStringAt(0, LINE(9), (uint8_t *)FreqStr, CENTER_MODE);
break;
case TS_ACT_VOLUME_DOWN:
/* Decrease volume by 5% */
if (uwVolume > 5)
uwVolume -= 5;
else
uwVolume = 0;
sprintf((char*)FreqStr, " VOL: %3lu ", uwVolume);
BSP_AUDIO_OUT_SetVolume(uwVolume);
BSP_LCD_DisplayStringAt(0, LINE(9), (uint8_t *)FreqStr, CENTER_MODE);
break;
case TS_ACT_FREQ_DOWN:
/*Decrease Frequency */
if (*AudioFreq_ptr != 8000)
{
AudioFreq_ptr--;
sprintf((char*)FreqStr, " FREQ: %6lu ", *AudioFreq_ptr);
BSP_AUDIO_OUT_Pause();
BSP_AUDIO_OUT_SetFrequency(*AudioFreq_ptr);
BSP_AUDIO_OUT_Resume();
BSP_AUDIO_OUT_SetVolume(uwVolume);
}
BSP_LCD_DisplayStringAt(0, LINE(10), (uint8_t *)FreqStr, CENTER_MODE);
break;
case TS_ACT_FREQ_UP:
/* Increase Frequency */
if (*AudioFreq_ptr != 96000)
{
AudioFreq_ptr++;
sprintf((char*)FreqStr, " FREQ: %6lu ", *AudioFreq_ptr);
BSP_AUDIO_OUT_Pause();
BSP_AUDIO_OUT_SetFrequency(*AudioFreq_ptr);
BSP_AUDIO_OUT_Resume();
BSP_AUDIO_OUT_SetVolume(uwVolume);
}
BSP_LCD_DisplayStringAt(0, LINE(10), (uint8_t *)FreqStr, CENTER_MODE);
break;
case TS_ACT_PAUSE:
/* Set Pause / Resume */
if (uwPauseEnabledStatus == 1)
{ /* Pause is enabled, call Resume */
BSP_AUDIO_OUT_Resume();
uwPauseEnabledStatus = 0;
BSP_LCD_DisplayStringAt(0, LINE(8), (uint8_t *)" PLAYING... ", CENTER_MODE);
BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
BSP_LCD_FillPolygon(Points2, 3);
BSP_LCD_SetTextColor(LCD_COLOR_BLACK);
BSP_LCD_FillRect(100, 140, 25 , 80);
BSP_LCD_FillRect(140, 140, 25 , 80);
}
else
{ /* Pause the playback */
BSP_AUDIO_OUT_Pause();
uwPauseEnabledStatus = 1;
BSP_LCD_DisplayStringAt(0, LINE(8), (uint8_t *)" PAUSE ... ", CENTER_MODE);
BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
BSP_LCD_FillRect(100, 140, 80 , 80);
BSP_LCD_SetTextColor(LCD_COLOR_GREEN);
BSP_LCD_FillPolygon(Points2, 3);
}
HAL_Delay(200);
break;
default:
break;
}
/* Toggle LED4 */
BSP_LED_Toggle(LED4);
/* Insert 100 ms delay */
HAL_Delay(100);
if (CheckForUserInput() > 0)
{
/* Set LED4 */
BSP_LED_On(LED4);
BSP_AUDIO_OUT_Stop(CODEC_PDWN_SW);
return;
}
}
}
/**
* @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 Touchscreen Demo1 : test touchscreen calibration and single touch in polling mode
* @param None
* @retval None
*/
void Touchscreen_demo1(void)
{
uint16_t x1, y1;
uint8_t state = 0;
uint8_t exitTsUseCase = 0;
uint32_t ts_status = TS_OK;
/* Reset touch data information */
BSP_TEST_APPLI_ASSERT(BSP_TS_ResetTouchData(&TS_State));
/* If calibration is not yet done, proceed with calibration */
if (TouchScreen_IsCalibrationDone() == 0)
{
ts_status = Touchscreen_Calibration();
if (ts_status == TS_OK)
{
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - 65, (uint8_t *) "Touchscreen calibration success.", CENTER_MODE);
}
} /* of if (TouchScreen_IsCalibrationDone() == 0) */
if(ts_status == TS_OK)
{
/* Display touch screen demo description */
Touchscreen_SetHint_Demo(TOUCHSCREEN_DEMO_1);
Touchscreen_DrawBackground_Demo1(state);
while (exitTsUseCase == 0)
{
if (ts_status == TS_OK)
{
/* Check in polling mode in touch screen the touch status and coordinates */
/* of touches if touch occurred */
ts_status = BSP_TS_GetState(&TS_State);
if(TS_State.touchDetected)
{
/* One or dual touch have been detected */
/* Only take into account the first touch so far */
/* Get X and Y position of the first touch post calibrated */
x1 = TouchScreen_Get_Calibrated_X(TS_State.touchX[0]);
y1 = TouchScreen_Get_Calibrated_Y(TS_State.touchY[0]);
if ((y1 > (CIRCLE_YPOS(1) - CIRCLE_RADIUS)) &&
(y1 < (CIRCLE_YPOS(1) + CIRCLE_RADIUS)))
{
if ((x1 > (CIRCLE_XPOS(1) - CIRCLE_RADIUS)) &&
(x1 < (CIRCLE_XPOS(1) + CIRCLE_RADIUS)))
{
if ((state & 1) == 0)
{
Touchscreen_DrawBackground_Demo1(state);
BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
BSP_LCD_FillCircle(CIRCLE_XPOS(1), CIRCLE_YPOS(1), CIRCLE_RADIUS);
state = 1;
}
}
if ((x1 > (CIRCLE_XPOS(2) - CIRCLE_RADIUS)) &&
(x1 < (CIRCLE_XPOS(2) + CIRCLE_RADIUS)))
{
if ((state & 2) == 0)
{
Touchscreen_DrawBackground_Demo1(state);
BSP_LCD_SetTextColor(LCD_COLOR_RED);
BSP_LCD_FillCircle(CIRCLE_XPOS(2), CIRCLE_YPOS(2), CIRCLE_RADIUS);
state = 2;
}
}
if ((x1 > (CIRCLE_XPOS(3) - CIRCLE_RADIUS)) &&
(x1 < (CIRCLE_XPOS(3) + CIRCLE_RADIUS)))
{
if ((state & 4) == 0)
{
Touchscreen_DrawBackground_Demo1(state);
BSP_LCD_SetTextColor(LCD_COLOR_YELLOW);
BSP_LCD_FillCircle(CIRCLE_XPOS(3), CIRCLE_YPOS(3), CIRCLE_RADIUS);
state = 4;
}
}
if ((x1 > (CIRCLE_XPOS(4) - CIRCLE_RADIUS)) &&
(x1 < (CIRCLE_XPOS(4) + CIRCLE_RADIUS)))
{
if ((state & 8) == 0)
{
Touchscreen_DrawBackground_Demo1(state);
BSP_LCD_SetTextColor(LCD_COLOR_GREEN);
BSP_LCD_FillCircle(CIRCLE_XPOS(4), CIRCLE_YPOS(3), CIRCLE_RADIUS);
state = 8;
}
}
}
} /* of if(TS_State.TouchDetected) */
} /* of if (ts_status == TS_OK) */
/* Wait for a key button press to switch to next test case of BSP validation application */
/* Otherwise stay in the test */
exitTsUseCase = CheckForUserInput();
HAL_Delay(20);
} /* of while (exitTsUseCase == 0) */
} /* of if(status == TS_OK) */
}
/**
* @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 */
}
