From cfedb2eaf4a0d62969ff05307ac40d4f1cdab2d9 Mon Sep 17 00:00:00 2001
From: Selene ToyKeeper
Date: Sun, 17 Jun 2018 18:18:38 -0600
Subject: Implemented halfsleep mode. Will probably change it quite a bit
 though, so I'm checking in changes first. Needs to be "tick during standby"
 instead of "half sleep".

---
 spaghetti-monster/fsm-wdt.c | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

(limited to 'spaghetti-monster/fsm-wdt.c')

diff --git a/spaghetti-monster/fsm-wdt.c b/spaghetti-monster/fsm-wdt.c
index ff96ffb..06b0b6d 100644
--- a/spaghetti-monster/fsm-wdt.c
+++ b/spaghetti-monster/fsm-wdt.c
@@ -45,6 +45,23 @@ inline void WDT_off()
 
 // clock tick -- this runs every 16ms (62.5 fps)
 ISR(WDT_vect) {
+    #ifdef USE_HALFSLEEP_MODE
+    f_wdt = 1;  // WDT event happened
+
+    static uint16_t sleep_counter = 0;
+    // handle halfsleep mode specially
+    if (halfsleep_mode) {
+        // emit a halfsleep tick, and process it
+        emit(EV_halfsleep_tick, sleep_counter);
+        sleep_counter ++;
+        process_emissions();
+        //if (! halfsleep_mode)
+        //    sleep_counter = 0;
+        return;
+    }
+    sleep_counter = 0;
+    #endif
+
     // detect and emit button change events
     uint8_t was_pressed = button_last_state;
     uint8_t pressed = button_is_pressed();
-- 
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