4d58a3df74
Fixed several bugs: - TCB wasn't running. The datasheet steps were not complete. - TCA was waking the MCU and causing the main program to run. Added checks to ensure program only runs on button or TCB wakeup. - Fixed some peculiarities with specific RGBLED programs
48 lines
881 B
C++
48 lines
881 B
C++
/*
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hackspacecon wand firmware
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interrupt routines
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*/
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#include <Arduino.h>
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#include "rgbled.h"
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extern uint8_t run_rgbprog;
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// TCB0 general interrupt
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ISR(TCB0_INT_vect)
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{
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uint8_t intflags = TCB0.INTFLAGS;
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// in this program, this interrupt is only used for timing.
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// we'll now return to executing loop()
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rgb_run_next = 1;
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// reset the INTFLAGS - necessary on this series
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TCB0.INTFLAGS = intflags;
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}
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// button interrupt
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ISR(PORTA_PORT_vect)
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{
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uint8_t intflags = PORTA.INTFLAGS;
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// shitty debounce; this is bad practice
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delay(8);
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// was our pin changed?
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if (intflags & PIN2_bm) {
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// start or re-start running a program
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if (!digitalRead(PIN_PA2)) {
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run_rgbprog = 1; // run a new program
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rgb_run_next = 1;
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}
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}
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// reset the INTFLAGS - necessary on this series
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PORTA.INTFLAGS = intflags;
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}
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