From e6909adcb1d44797e097dcf93ee7459276a4516a Mon Sep 17 00:00:00 2001
From: Selene ToyKeeper
Date: Sun, 19 Nov 2023 01:47:40 -0700
Subject: moved prevent_reboot_loop() and some other junk out of fsm/main.c

---
 arch/attiny85.c | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

(limited to 'arch/attiny85.c')

diff --git a/arch/attiny85.c b/arch/attiny85.c
index 40cbcfe..0d2d7fe 100644
--- a/arch/attiny85.c
+++ b/arch/attiny85.c
@@ -165,3 +165,24 @@ void reboot() {
     while (1) {}
 }
 
+inline void prevent_reboot_loop() {
+    // prevent WDT from rebooting MCU again
+    MCUSR &= ~(1<<WDRF);  // reset status flag
+    wdt_disable();
+}
+
+
+#if 0  // example for one way of creating a 4th PWM channel
+// 4th PWM channel requires manually turning the pin on/off via interrupt :(
+ISR(TIMER1_OVF_vect) {
+    //bitClear(PORTB, 3);
+    PORTB &= 0b11110111;
+    //PORTB |= 0b00001000;
+}
+ISR(TIMER1_COMPA_vect) {
+    //if (!bitRead(TIFR,TOV1)) bitSet(PORTB, 3);
+    if (! (TIFR & (1<<TOV1))) PORTB |= 0b00001000;
+    //if (! (TIFR & (1<<TOV1))) PORTB &= 0b11110111;
+}
+#endif
+
-- 
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