1 files changed, 107 insertions, 0 deletions
diff --git a/spaghetti-monster/fsm-main.c b/spaghetti-monster/fsm-main.c
new file mode 100644
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+++ b/spaghetti-monster/fsm-main.c
@@ -0,0 +1,107 @@
+/*
+ * fsm-main.c: main() function for SpaghettiMonster.
+ *
+ * Copyright (C) 2017 Selene ToyKeeper
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef FSM_MAIN_C
+#define FSM_MAIN_C
+
+#include "fsm-main.h"
+
+int main() {
+    // Don't allow interrupts while booting
+    cli();
+    //WDT_off();
+    //PCINT_off();
+
+    // configure PWM channels
+    #if PWM_CHANNELS == 1
+    DDRB |= (1 << PWM1_PIN);
+    TCCR0B = 0x01; // pre-scaler for timer (1 => 1, 2 => 8, 3 => 64...)
+    TCCR0A = PHASE;
+    #elif PWM_CHANNELS == 2
+    DDRB |= (1 << PWM1_PIN);
+    DDRB |= (1 << PWM2_PIN);
+    TCCR0B = 0x01; // pre-scaler for timer (1 => 1, 2 => 8, 3 => 64...)
+    TCCR0A = PHASE;
+    #elif PWM_CHANNELS == 3
+    DDRB |= (1 << PWM1_PIN);
+    DDRB |= (1 << PWM2_PIN);
+    TCCR0B = 0x01; // pre-scaler for timer (1 => 1, 2 => 8, 3 => 64...)
+    TCCR0A = PHASE;
+    // Second PWM counter is ... weird
+    DDRB |= (1 << PWM3_PIN);
+    TCCR1 = _BV (CS10);
+    GTCCR = _BV (COM1B1) | _BV (PWM1B);
+    OCR1C = 255;  // Set ceiling value to maximum
+    #elif PWM_CHANNELS == 4
+    DDRB |= (1 << PWM1_PIN);
+    DDRB |= (1 << PWM2_PIN);
+    TCCR0B = 0x01; // pre-scaler for timer (1 => 1, 2 => 8, 3 => 64...)
+    TCCR0A = PHASE;
+    // Second PWM counter is ... weird
+    DDRB |= (1 << PWM3_PIN);
+    // FIXME: How exactly do we do PWM on channel 4?
+    TCCR1 = _BV (CS10);
+    GTCCR = _BV (COM1B1) | _BV (PWM1B);
+    OCR1C = 255;  // Set ceiling value to maximum
+    DDRB |= (1 << PWM4_PIN);
+    #endif
+
+    // TODO: turn on ADC?
+    // configure e-switch
+    PORTB = (1 << SWITCH_PIN);  // e-switch is the only input
+    PCMSK = (1 << SWITCH_PIN);  // pin change interrupt uses this pin
+
+    // TODO: configure sleep mode
+    set_sleep_mode(SLEEP_MODE_PWR_DOWN);
+
+    // Read config values and saved state
+    // restore_state();  // TODO
+
+    // TODO: handle long press vs short press (or even medium press)?
+
+    #ifdef USE_DEBUG_BLINK
+    //debug_blink(1);
+    #endif
+
+    // all booted -- turn interrupts back on
+    PCINT_on();
+    WDT_on();
+    ADC_on();
+    sei();
+
+    // fallback for handling a few things
+    push_state(default_state, 0);
+
+    // call recipe's setup
+    setup();
+
+    // main loop
+    while (1) {
+        // TODO: update e-switch press state?
+        // TODO: check voltage?
+        // TODO: check temperature?
+        // if event queue not empty, process and pop first item in queue?
+        if (emissions[0].event != NULL) {
+            emit_now(emissions[0].event, emissions[0].arg);
+            delete_first_emission();
+        }
+    }
+}
+
+#endif