DigitalInfinity/ESP32-PaxCounter
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

main.cpp: comments edited

Browse Source
This commit is contained in:
Klaus K Wilting 2018-07-15 20:05:05 +02:00
parent 4b52478caa
commit 32d41c7c3c
1 changed files with 9 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
src/main.cpp
View File

@ -336,14 +336,15 @@ void setup() {
// setup display refresh trigger IRQ using esp32 hardware timer
// https://techtutorialsx.com/2017/10/07/esp32-arduino-timer-interrupts/
displaytimer = timerBegin(0, 80, true); // prescaler 80 -> divides 80 MHz CPU
// freq to 1 MHz, timer 0, count up
timerAttachInterrupt(displaytimer, &DisplayIRQ,
true); // interrupt handler DisplayIRQ, triggered by edge
timerAlarmWrite(
displaytimer, DISPLAYREFRESH_MS * 1000,
true); // reload interrupt after each trigger of display refresh cycle
timerAlarmEnable(displaytimer); // enable display interrupt
// prescaler 80 -> divides 80 MHz CPU freq to 1 MHz, timer 0, count up
displaytimer = timerBegin(0, 80, true);
// interrupt handler DisplayIRQ, triggered by edge
timerAttachInterrupt(displaytimer, &DisplayIRQ, true);
// reload interrupt after each trigger of display refresh cycle
timerAlarmWrite(displaytimer, DISPLAYREFRESH_MS * 1000, true);
// enable display interrupt
timerAlarmEnable(displaytimer);
#endif
// setup channel rotation trigger IRQ using esp32 hardware timer 1