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Implemented ll_tft_fill_rectange and ll_tft_set_window

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id101010
2015-04-28 23:31:14 +02:00
parent 0b61f21e7b
commit a41359173a
1 changed files with 44 additions and 2 deletions
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46
discovery/src/ll_tft.c
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@@ -315,6 +315,14 @@ bool ll_gpio_init()
* ---------------------- display control functions -------------------------------------------------------
*/
void ll_tft_set_cursor(uint16_t xpos, uint16_t ypos)
{
// set cursor
ll_tft_write_reg(TFT_SSD1289_REG_4E, xpos);
ll_tft_write_reg(TFT_SSD1289_REG_4F, ypos);
TFT_REG = TFT_SSD1289_REG_22;
}
void ll_tft_set_backlight(bool state)
{
if(state){
@@ -326,7 +334,14 @@ void ll_tft_set_backlight(bool state)
void ll_tft_clear(uint16_t color)
{
// TODO
uint32_t n = 0;
// set cursor to 0
ll_tft_set_cursor(0,0);
for(n = 0; n < TFT_PIXEL; n++) {
TFT_RAM = color;
}
}
void ll_tft_write_reg(uint8_t reg_adr, uint16_t reg_value)
@@ -341,6 +356,20 @@ uint16_t ll_tft_read_reg(uint8_t reg_adr)
return TFT_RAM;
}
void ll_tft_set_window(uint16_t xstart, uint16_t ystart, uint16_t xend, uint16_t yend)
{
uint16_t start,end;
uint16_t xstart_end;
start = (xstart & 0x00FF);
end = ((xend & 0x00FF) << 8);
xstart_end = (start | end);
ll_tft_write_reg(TFT_SSD1289_REG_44, xstart_end);
ll_tft_write_reg(TFT_SSD1289_REG_45, ystart);
ll_tft_write_reg(TFT_SSD1289_REG_46, yend);
}
/*
* ---------------------- draw functions -----------------------------------------------------------
*/
@@ -362,7 +391,20 @@ void ll_tft_draw_rectangle(uint16_t x1,uint16_t y1,uint16_t x2,uint16_t y2, uint
void ll_tft_fill_rectangle(uint16_t x1,uint16_t y1,uint16_t x2,uint16_t y2, uint16_t color)
{
// TODO
uint16_t area;
uint32_t n;
// set window
ll_tft_set_window(x1, y1, x2, y2);
ll_tft_set_cursor(x1, y1);
// calculate area
area = (x2 - x1 + 1) * (y2 - y1 + 1);
// fill area
for(n = 0; n < area; n++) {
TFT_RAM = color;
}
}
void ll_tft_draw_bitmap_unscaled(uint16_t x, uint16_t y, uint16_t width, uint16_t height, const uint16_t* dat)