/**
* @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();
}
}
uint32_t LCD_DISCO_F469NI::ReadPixel(uint16_t Xpos, uint16_t Ypos)
{
return BSP_LCD_ReadPixel(Xpos, Ypos);
}
