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LCD: Minor changes.

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This commit is contained in:
Martin Preuss
2023-02-02 00:41:35 +01:00
parent 8082fe5226
commit d2fa4dfb86
1 changed files with 8 additions and 8 deletions
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10
avr/lcd.asm
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@@ -138,17 +138,17 @@ LCD_SetCursor:
brcc LCD_SetCursor_error brcc LCD_SetCursor_error
mov r16, r2 mov r16, r2
andi r16, 0x07 andi r16, 0x07
ori r16, 0xb0 ori r16, 0xb0 ; Set Page Start Address for Page Addressing Mode
rcall twiSendByteExpectAck ; (R16, R17, R18, R22) rcall twiSendByteExpectAck ; (R16, R17, R18, R22)
brcc LCD_SetCursor_error brcc LCD_SetCursor_error
mov r16, r1 mov r16, r1
andi r16, 0x0f andi r16, 0x0f ; Set Lower Column Start Address
rcall twiSendByteExpectAck ; (R16, R17, R18, R22) rcall twiSendByteExpectAck ; (R16, R17, R18, R22)
brcc LCD_SetCursor_error brcc LCD_SetCursor_error
mov r16, r1 mov r16, r1
andi r16, 0xf0
swap r16 swap r16
ori r16, 0x10 andi r16, 0x0f
ori r16, 0x10 ; Set Higher Column Start Address
rcall twiSendByteExpectAck ; (R16, R17, R18, R22) rcall twiSendByteExpectAck ; (R16, R17, R18, R22)
brcc LCD_SetCursor_error brcc LCD_SetCursor_error
@@ -579,7 +579,7 @@ lcdGetCharMatrix_l2:
ret ret
; TODO: set adressing mode??
lcdInitCommandsBegin: ; 28 bytes lcdInitCommandsBegin: ; 28 bytes
.db LCD_CMD_MODE, 0xa8, ((LCD_PAGE_COUNT*8)-1), 0x8d, 0x14, 0xaf, 0xa1, 0xc8 .db LCD_CMD_MODE, 0xa8, ((LCD_PAGE_COUNT*8)-1), 0x8d, 0x14, 0xaf, 0xa1, 0xc8
lcdInitCommandsEnd: lcdInitCommandsEnd: