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feat: speed up LCD_Clear

This commit is contained in:
liuyihui 2023-04-27 01:43:37 +08:00
parent 397e4f0894
commit 242edd604a
1 changed files with 8 additions and 7 deletions
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15
src/tftlcd.c
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@ -229,11 +229,12 @@ void LCD_D_Point(uint16_t x, uint16_t y, uint16_t color) {
}
void LCD_Clear(uint16_t color) {
// LCD_S_Rec(0, LCD_W - 1, 0, LCD_H - 1);
// for (uint32_t i = 0; i < LCD_W * LCD_H; i++) LCD_WR_DATA_16BIT(color);
for (uint16_t i = 0; i < LCD_W; i++)
for (uint16_t j = 0; j < LCD_H; j++) {
LCD_S_XY(i, j);
LCD_WR_REG_DATA_16BIT(LCD_RAM_WR, color);
}
LCD_S_Rec(0, LCD_W - 1, 0, LCD_H - 1);
LCD_WR_REG(LCD_RAM_WR);
for (uint32_t i = 0; i < LCD_W * LCD_H; i++) LCD_WR_DATA_16BIT(color);
// for (uint16_t i = 0; i < LCD_W; i++)
// for (uint16_t j = 0; j < LCD_H; j++) {
// LCD_S_XY(i, j);
// LCD_WR_REG_DATA_16BIT(LCD_RAM_WR, color);
// }
}