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Add small lcd documentation :)

This commit is contained in:
Stefan `Sec` Zehl 2011-07-27 17:19:29 +02:00
parent 63ff0de8b2
commit 838f04505c
1 changed files with 16 additions and 1 deletions
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17
firmware/lcd/display.c
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@ -79,9 +79,23 @@ void lcdInit(void) {
lcd_select();
/* Small Nokia 1200 LCD docs:
* clear/ set
* on 0xae / 0xaf
* invert 0xa6 / 0xa7
* mirror-x 0xA0 / 0xA1
* mirror-y 0xc7 / 0xc8
*
* 0x20+x contrast (0=black - 0x2e)
* 0x40+x offset in rows from top (-0x7f)
* 0x80+x contrast? (0=black -0x9f?)
* 0xd0+x black lines from top? (-0xdf?)
*
*/
lcdWrite(TYPE_CMD,0xE2);
delayms(5);
lcdWrite(TYPE_CMD,0xAF);
lcdWrite(TYPE_CMD,0xAF); // Display ON
lcdWrite(TYPE_CMD,0xA4);
lcdWrite(TYPE_CMD,0x2F);
lcdWrite(TYPE_CMD,0xB0);
@ -252,3 +266,4 @@ void lcdShift(int x, int y, bool wrap) {
while(y-->0)
lcdShiftV(dir, wrap);
}