STM32 TFT LCD library

[DavidAlfa]

how to see disassembly in CubeIDE?

Code: [Select]

GPIOB->ODR = ( d ) ; GPIOA->BSRR = (0x00000002)  ;GPIOA->BSRR = (0x00020000 ) ;little faster

Windows...show view..disassembly.
You need debug build.
 I don't understand your code...
Put data in GPIOB.
Set GPIOA1
Reset GPIOA1

The full GPIOB is not available in the blue pill board.
Also you can't just put the value into ODR, since that way you overwrite the whole port, 16-bit wide. You need a mask.
Unless you don't care about the rest of the pins.

[strawberry]

16bit wide data to 16bit GPIOB0..15, GPIOA1 to toggle data clock
Nucleo64

[DavidAlfa]

Oh, nice in that case. Should be much, much faster.
Ensure the clock pulse is long enough.
 I was doing it for the 103 blue pill