From 5fb4c74bfb16f2dcf1249b04c491526ca89b1fad Mon Sep 17 00:00:00 2001 From: William Wilgus Date: Thu, 27 Aug 2020 10:06:19 -0400 Subject: Xduoo X3 - Grey scale lib update greylib on the xduoo x3 now matches the rest of the 1bit targets Change-Id: I2685869da6734404356552cc9f4ed5f59ebd6650 --- .../mips/ingenic_jz47xx/xduoo_x3/lcd-xduoo_x3.c | 39 +++++++++++----------- 1 file changed, 20 insertions(+), 19 deletions(-) (limited to 'firmware/target/mips/ingenic_jz47xx') diff --git a/firmware/target/mips/ingenic_jz47xx/xduoo_x3/lcd-xduoo_x3.c b/firmware/target/mips/ingenic_jz47xx/xduoo_x3/lcd-xduoo_x3.c index 89251b727d..ea29ce266d 100644 --- a/firmware/target/mips/ingenic_jz47xx/xduoo_x3/lcd-xduoo_x3.c +++ b/firmware/target/mips/ingenic_jz47xx/xduoo_x3/lcd-xduoo_x3.c @@ -301,28 +301,29 @@ void lcd_blit_mono(const unsigned char *data, int x, int by, int width, void lcd_grey_data(unsigned char *values, unsigned char *phases, int count) ICODE_ATTR; void lcd_grey_data(unsigned char *values, unsigned char *phases, int count) { - unsigned char a, b, c, d; + unsigned long ltmp; + unsigned long *lval = (unsigned long *)values; + unsigned long *lpha = (unsigned long *)phases; + const unsigned long mask = 0x80808080; - __gpio_set_pin(PIN_LCD_DC); while(count--) { - c = 0; - d = 8; - while(d--) - { - a = *phases; - b = *values++; - b += a & ~0x80; - *phases++ = b; - c <<= 1; - c |= a >> 7; - } - REG_GPIO_PXDATC(2) = 0x000030FC; - REG_GPIO_PXDATS(2) = ((c & 0xC0) << 6) | ((c & 0x3F) << 2); - __gpio_clear_pin(PIN_LCD_WR); - bitdelay(); - __gpio_set_pin(PIN_LCD_WR); - bitdelay(); + /* calculate disp data from phase we only use the last byte (8bits) */ + ltmp = mask & lpha[0]; // ltmp= 3.......2.......1.......0....... + ltmp |= (mask & lpha[1]) >> 4; // ltmp= 7.......6.......5.......4....... + /* phase0 | phase1 >> 4 */ // ltmp= 3...7...2...6...1...5...0...4... + ltmp |= ltmp >> 9; // ltmp= 3...7...23..67..12..56..01..45.. + ltmp |= ltmp >> 9; // ltmp= 3...7...23..67..123.567.012.456. + ltmp |= ltmp >> 9; // ltmp= 3...7...23..67..123.567.01234567 + + /* update the phases */ + lpha[0] = lval[0] + (lpha[0] & ~mask); + lpha[1] = lval[1] + (lpha[1] & ~mask); + + lcd_write_data((const fb_data*) <mp, 1); + + lpha+=2; + lval+=2; } } -- cgit v1.2.3