dani/CommandStation-EX
1
0
Fork 0
mirror of https://github.com/DCC-EX/CommandStation-EX.git synced 2024-11-22 23:56:13 +01:00
Code Releases Activity

comments only

Browse Source
This commit is contained in:
Asbelos 2024-08-25 10:17:27 +01:00
parent b94e8c572a
commit b44012b0ae
1 changed files with 7 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
DCCTimerAVR.cpp
View File

@ -74,6 +74,7 @@ void DCCTimer::startRailcomTimer(byte brakePin) {
- Waveform code is responsible for altering the PWM
duty cycle to 0% any time between the first and last tick.
(there will be 7 DCC timer1 ticks in which to do this.)
by calling ackRailcomTimer();
*/
(void) brakePin; // Ignored... works on pin 9 only
@ -99,13 +100,13 @@ void DCCTimer::startRailcomTimer(byte brakePin) {
// Enable Timer2 output on pin 9 (OC2B)
DDRB |= (1 << DDB1);
// TODO Fudge TCNT2 to sync with last tcnt1 tick + 28uS
// Fudge TCNT2 to sync with last tcnt1 tick + 28uS
// Previous TIMER1 Tick was at rising end-of-packet bit
// Cutout starts half way through first preamble
// that is 2.5 * 58uS later.
// TCNT1 ticks 8 times / microsecond
// auto microsendsToFirstRailcomTick=(58+58+29)-(TCNT1/8);
// Previous TIMER1 Tick was at rising end-of-packet bit
// Cutout starts half way through first preamble
// that is 2.5 * 58uS later.
// TCNT1 ticks 8 times / microsecond
// auto microsendsToFirstRailcomTick=(58+58+29)-(TCNT1/8);
// set the railcom timer counter allowing for phase-correct
// CHris's NOTE: