diff options
| -rw-r--r-- | firmware/drivers/lcd.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/firmware/drivers/lcd.c b/firmware/drivers/lcd.c index aaa93b3..f7fde50 100644 --- a/firmware/drivers/lcd.c +++ b/firmware/drivers/lcd.c @@ -82,7 +82,7 @@ * */ -void lcd_write(bool command, int byte) __attribute__ ((section (".icode"))); +//void lcd_write(bool command, int byte) __attribute__ ((section (".icode"))); void lcd_write(bool command, int byte) { asm("and.b %0, @(r0,gbr)" @@ -191,6 +191,8 @@ void lcd_write_data(unsigned char* p_bytes, int count) unsigned sda1; /* precalculated SC=low,SD=1 */ unsigned clk0sda0; /* precalculated SC and SD low */ + byte = *p_bytes++ << 24; /* fetch to MSB position */ + cli(); /* make port modifications atomic */ /* precalculate the values for later bit toggling, init data write */ @@ -211,8 +213,6 @@ void lcd_write_data(unsigned char* p_bytes, int count) /* %5 */ "r"(~LCD_SD) ); - byte = *p_bytes++ << 24; /* fetch to MSB position */ - /* unrolled loop to serialize the byte */ asm ( "mov %4,r0\n" /* we need &PBDRL in r0 for "or.b x,@(r0,gbr)" */ |