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avr: use macros instead of costly calls for SPI on ILI9341.

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This commit is contained in:
Martin Preuss
2026-01-24 01:03:31 +01:00
parent 2085ba6bbe
commit fdfc040d19
5 changed files with 79 additions and 24 deletions
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10
avr/modules/lcd2/ili9341/font12x16.asm
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@@ -68,10 +68,12 @@ ili9341Font12x16MonoRenderChar_writeForeground:
mov r18, r2
mov r19, r3
ili9341Font12x16MonoRenderChar_sendToDisplay:
mov r16, r19
rcall SPIHW_MasterTransfer ; (R16)
mov r16, r18
rcall SPIHW_MasterTransfer ; (R16)
; mov r16, r19
; rcall SPIHW_MasterTransfer ; (R16)
M_SPIHW_MASTER_SEND_BYTE r19
; mov r16, r18
; rcall SPIHW_MasterTransfer ; (R16)
M_SPIHW_MASTER_SEND_BYTE r18
ili9341Font12x16MonoRenderChar_loop2end:
dec r24
brne ili9341Font12x16MonoRenderChar_loop2