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Update fastio.h with special handling for Timer 2

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Scott Lahteine
2017-04-24 14:04:46 -05:00
parent fd535e111a
commit 2823bf0874
3 changed files with 95 additions and 36 deletions
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6
Marlin/stepper.cpp
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@ -1081,17 +1081,17 @@ void Stepper::init() {
#endif
// waveform generation = 0100 = CTC
SET_WGM(1, WGM_CTC_OCRnA);
SET_WGM(1, CTC_OCRnA);
// output mode = 00 (disconnected)
SET_COMS(1, COM_NORMAL, COM_NORMAL);
SET_COMS(1, NORMAL, NORMAL, NORMAL);
// Set the timer pre-scaler
// Generally we use a divider of 8, resulting in a 2MHz timer
// frequency on a 16MHz MCU. If you are going to change this, be
// sure to regenerate speed_lookuptable.h with
// create_speed_lookuptable.py
SET_CS(1, CS_PRESCALER_8); // CS 2 = 1/8 prescaler
SET_CS(1, PRESCALER_8); // CS 2 = 1/8 prescaler
// Init Stepper ISR to 122 Hz for quick starting
OCR1A = 0x4000;