/**
* @brief Prepares the picture to be saved in microSD.
* @param None
* @retval None
*/
static void Prepare_Picture(void)
{
uint32_t x_counter = 0, y_counter = 0;
uint32_t address = SRAM_DEVICE_ADDR;
uint16_t tmp = 0;
/* Bypass the bitmap header */
address += (((BSP_LCD_GetXSize() - 80) * (BSP_LCD_GetYSize() - 81)) * 2);
BSP_SRAM_Init();
/* Prepare picture */
for(y_counter = 10; y_counter < (BSP_LCD_GetYSize() - 70); y_counter++)
{
for(x_counter = 70; x_counter < (BSP_LCD_GetXSize() - 10); x_counter++)
{
/* Write data to the SRAM memory */
tmp = BSP_LCD_ReadPixel(x_counter, y_counter);
BSP_SRAM_WriteData(address, &tmp, 1);
/* Increment the source and destination buffers */
address += 2;
}
address -= 4*(BSP_LCD_GetXSize() - 80);
}
}
/**
* @brief Prepares the picture to be Saved in USB.
* @param None
* @retval None
*/
static void PicturePrepare(void)
{
uint32_t address = SRAM_DEVICE_ADDR;
uint16_t x = 0;
uint16_t y = 0;
uint16_t tmp = 0;
uint8_t aRGB[4];
/* Go to the address of the last line of BMP file */
address += ((BSP_LCD_GetXSize() * (BSP_LCD_GetYSize() - 1)) * 4);
/* Read data from GRAM and swap it into SRAM */
for(y = 0; y < (BSP_LCD_GetYSize()); y++)
{
for(x = 0; x < (BSP_LCD_GetXSize()); x++)
{
/* Write data to the SRAM memory */
tmp = BSP_LCD_ReadPixel(x, y);
aRGB[0] = RGB565_TO_R(tmp);
aRGB[1] = RGB565_TO_G(tmp);
aRGB[2] = RGB565_TO_B(tmp);
aRGB[3] = 0xFF;
if(BSP_SRAM_WriteData(address, (uint16_t *)aRGB, 2) != SRAM_OK)
{
Error_Handler();
}
else
{
address += 4;
}
}
address -= 8*BSP_LCD_GetXSize();
}
}
/**
* @brief SRAM Demo
* @param None
* @retval None
*/
void SRAM_demo (void)
{
SRAM_SetHint();
/* Disable the LCD to avoid the refrech from the SDRAM */
BSP_LCD_DisplayOff();
/*##-1- Configure the SRAM device ##########################################*/
/* SRAM device configuration */
if(BSP_SRAM_Init() != SRAM_OK)
{
ubSramInit++;
}
/*##-2- SRAM memory read/write access ######################################*/
/* Fill the buffer to write */
Fill_Buffer(sram_aTxBuffer, BUFFER_SIZE, 0xC20F);
/* Write data to the SRAM memory */
if(BSP_SRAM_WriteData(SRAM_DEVICE_ADDR + WRITE_READ_ADDR, sram_aTxBuffer, BUFFER_SIZE) != SRAM_OK)
{
ubSramWrite++;
}
/* Read back data from the SRAM memory */
if(BSP_SRAM_ReadData(SRAM_DEVICE_ADDR + WRITE_READ_ADDR, sram_aRxBuffer, BUFFER_SIZE) != SRAM_OK)
{
ubSramRead++;
}
/*##-3- Checking data integrity ############################################*/
/* Enable the LCD */
BSP_LCD_DisplayOn();
if(ubSramInit != 0)
{
BSP_LCD_DisplayStringAt(20, 100, (uint8_t *)"SRAM Initialization : FAILED.", LEFT_MODE);
BSP_LCD_DisplayStringAt(20, 115, (uint8_t *)"SRAM Test Aborted.", LEFT_MODE);
}
else
{
BSP_LCD_DisplayStringAt(20, 100, (uint8_t *)"SRAM Initialization : OK.", LEFT_MODE);
}
if(ubSramWrite != 0)
{
BSP_LCD_DisplayStringAt(20, 115, (uint8_t *)"SRAM WRITE : FAILED.", LEFT_MODE);
BSP_LCD_DisplayStringAt(20, 130, (uint8_t *)"SRAM Test Aborted.", LEFT_MODE);
}
else
{
BSP_LCD_DisplayStringAt(20, 115, (uint8_t *)"SRAM WRITE : OK.", LEFT_MODE);
}
if(ubSramRead != 0)
{
BSP_LCD_DisplayStringAt(20, 130, (uint8_t *)"SRAM READ : FAILED.", LEFT_MODE);
BSP_LCD_DisplayStringAt(20, 145, (uint8_t *)"SRAM Test Aborted.", LEFT_MODE);
}
else
{
BSP_LCD_DisplayStringAt(20, 130, (uint8_t *)"SRAM READ : OK.", LEFT_MODE);
}
if(Buffercmp(sram_aRxBuffer, sram_aTxBuffer, BUFFER_SIZE) > 0)
{
BSP_LCD_DisplayStringAt(20, 145, (uint8_t *)"SRAM COMPARE : FAILED.", LEFT_MODE);
BSP_LCD_DisplayStringAt(20, 160, (uint8_t *)"SRAM Test Aborted.", LEFT_MODE);
}
else
{
BSP_LCD_DisplayStringAt(20, 145, (uint8_t *)"SRAM Test : OK.", LEFT_MODE);
}
while (1)
{
if(CheckForUserInput() > 0)
{
return;
}
}
}
