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added contrast control function for gLCDs

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This commit is contained in:
Michael Mayer
2013-07-14 15:28:26 +07:00
parent 99b7e926e7
commit e509cdbeb0
7 changed files with 98 additions and 6 deletions
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14
Marlin/Marlin_main.cpp
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@ -125,6 +125,7 @@
// M220 S<factor in percent>- set speed factor override percentage
// M221 S<factor in percent>- set extrude factor override percentage
// M240 - Trigger a camera to take a photograph
// M250 - Set LCD contrast C<contrast value> (value 0..63)
// M280 - set servo position absolute. P: servo index, S: angle or microseconds
// M300 - Play beepsound S<frequency Hz> P<duration ms>
// M301 - Set PID parameters P I and D
@ -421,6 +422,7 @@ void setup()
servo_init();
lcd_init();
_delay_ms(1000); // wait 1sec to display the splash screen
#if defined(CONTROLLERFAN_PIN) && CONTROLLERFAN_PIN > -1
SET_OUTPUT(CONTROLLERFAN_PIN); //Set pin used for driver cooling fan
@ -1699,6 +1701,18 @@ void process_commands()
#endif
}
break;
#ifdef DOGLCD
case 250: // M250 Set LCD contrast value: C<value> (value 0..63)
{
if (code_seen('C')) {
lcd_setcontrast( ((int)code_value())&63 );
}
SERIAL_PROTOCOLPGM("lcd contrast value: ");
SERIAL_PROTOCOL(lcd_contrast);
SERIAL_PROTOCOLLN("");
}
break;
#endif
#ifdef PREVENT_DANGEROUS_EXTRUDE
case 302: // allow cold extrudes, or set the minimum extrude temperature
{