/**
* @brief Displays a bitmap picture loaded in the internal Flash.
* @param BmpAddress: Bmp picture address in the internal Flash.
* @retval None
*/
void st7735_DrawBitmap(uint16_t Xpos, uint16_t Ypos, uint8_t *pbmp)
{
uint32_t index = 0, size = 0;
/* Read bitmap size */
size = *(volatile uint16_t *) (pbmp + 2);
size |= (*(volatile uint16_t *) (pbmp + 4)) << 16;
/* Get bitmap data address offset */
index = *(volatile uint16_t *) (pbmp + 10);
index |= (*(volatile uint16_t *) (pbmp + 12)) << 16;
size = (size - index)/2;
pbmp += index;
/* Set GRAM write direction and BGR = 0 */
/* Memory access control: MY = 0, MX = 1, MV = 0, ML = 0 */
st7735_WriteReg(LCD_REG_54, 0x40);
/* Set Cursor */
st7735_SetCursor(Xpos, Ypos);
LCD_IO_WriteMultipleData((uint8_t*)pbmp, size*2);
/* Set GRAM write direction and BGR = 0 */
/* Memory access control: MY = 1, MX = 1, MV = 0, ML = 0 */
st7735_WriteReg(LCD_REG_54, 0xC0);
}
/**
* @brief Draws horizontal line.
* @param RGBCode: Specifies the RGB color
* @param Xpos: specifies the X position.
* @param Ypos: specifies the Y position.
* @param Length: specifies the line length.
* @retval None
*/
void st7735_DrawHLine(uint16_t RGBCode, uint16_t Xpos, uint16_t Ypos, uint16_t Length)
{
uint8_t counter = 0;
// if(Xpos + Length > ST7735_LCD_PIXEL_WIDTH) return;
/* Set Cursor */
st7735_SetCursor(Xpos, Ypos);
for(counter = 0; counter < Length; counter++)
{
ArrayRGB[counter] = RGBCode;
}
LCD_IO_WriteMultipleData((uint8_t*)&ArrayRGB[0], Length * 2);
}
/**
* @brief Writes pixel.
* @param Xpos: specifies the X position.
* @param Ypos: specifies the Y position.
* @param RGBCode: the RGB pixel color
* @retval None
*/
void st7735_WritePixel(uint16_t Xpos, uint16_t Ypos, uint16_t RGBCode)
{
uint8_t data = 0;
/*if((Xpos >= ST7735_LCD_PIXEL_WIDTH) || (Ypos >= ST7735_LCD_PIXEL_HEIGHT))
{
return;
}*/
/* Set Cursor */
st7735_SetCursor(Xpos, Ypos);
data = RGBCode >> 8;
LCD_IO_WriteMultipleData(&data, 1);
data = RGBCode;
LCD_IO_WriteMultipleData(&data, 1);
}
