From 7cb4fe0944b839f28dfd96a88a772cd6a8b58019 Mon Sep 17 00:00:00 2001
From: Selene ToyKeeper
Date: Thu, 2 Nov 2023 17:16:25 -0600
Subject: reorganized project files (part 1) (just moved files, didn't change
 the contents yet,  and nothing will work without updating #includes and build
 scripts and stuff)

---
 spaghetti-monster/fsm-events.c | 198 -----------------------------------------
 1 file changed, 198 deletions(-)
 delete mode 100644 spaghetti-monster/fsm-events.c

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

diff --git a/spaghetti-monster/fsm-events.c b/spaghetti-monster/fsm-events.c
deleted file mode 100644
index 6987ae2..0000000
--- a/spaghetti-monster/fsm-events.c
+++ /dev/null
@@ -1,198 +0,0 @@
-// fsm-events.c: Event-handling functions for SpaghettiMonster.
-// Copyright (C) 2017-2023 Selene ToyKeeper
-// SPDX-License-Identifier: GPL-3.0-or-later
-
-#pragma once
-
-#include <util/delay_basic.h>
-
-
-void append_emission(Event event, uint16_t arg) {
-    uint8_t i;
-    // find last entry
-    for(i=0;
-        (i<EMISSION_QUEUE_LEN) && (emissions[i].event != EV_none);
-        i++) { }
-    // add new entry
-    if (i < EMISSION_QUEUE_LEN) {
-        emissions[i].event = event;
-        emissions[i].arg = arg;
-    } else {
-        // TODO: if queue full, what should we do?
-    }
-}
-
-void delete_first_emission() {
-    uint8_t i;
-    for(i=0; i<EMISSION_QUEUE_LEN-1; i++) {
-        emissions[i].event = emissions[i+1].event;
-        emissions[i].arg = emissions[i+1].arg;
-    }
-    emissions[i].event = EV_none;
-    emissions[i].arg = 0;
-}
-
-void process_emissions() {
-    while (emissions[0].event != EV_none) {
-        emit_now(emissions[0].event, emissions[0].arg);
-        delete_first_emission();
-    }
-}
-
-// Call stacked callbacks for the given event until one handles it.
-uint8_t emit_now(Event event, uint16_t arg) {
-    for(int8_t i=state_stack_len-1; i>=0; i--) {
-        uint8_t err = state_stack[i](event, arg);
-        if (! err) return 0;
-    }
-    return 1;  // event not handled
-}
-
-void emit(Event event, uint16_t arg) {
-    // add this event to the queue for later,
-    // so we won't use too much time during an interrupt
-    append_emission(event, arg);
-}
-
-void emit_current_event(uint16_t arg) {
-    emit(current_event, arg);
-}
-
-void empty_event_sequence() {
-    current_event = EV_none;
-    ticks_since_last_event = 0;
-    // when the user completes an input sequence, interrupt any running timers
-    // to cancel any delays currently in progress
-    // This eliminates a whole bunch of extra code:
-    //   before: if (! nice_delay_ms(ms)) {break;}
-    //   after: nice_delay_ms(ms);
-    interrupt_nice_delays();
-}
-
-uint8_t push_event(uint8_t ev_type) {  // only for use by PCINT_inner()
-    // don't do this here; do it in PCINT_inner() instead
-    //ticks_since_last_event = 0;  // something happened
-
-    // only click events are sent to this function
-    current_event |= B_CLICK;
-
-    // handle button presses
-    if (ev_type == B_PRESS) {
-        // set press flag
-        current_event |= B_PRESS;
-        // increase click counter
-        if ((current_event & B_COUNT) < (B_COUNT)) {
-            current_event ++;
-        }
-        return 1;  // event pushed, even if max clicks already reached
-                   // (will just repeat the max over and over)
-    }
-    // handle button releases
-    else if (ev_type == B_RELEASE) {
-        // clear the press flag
-        current_event &= (~B_PRESS);
-        // if a "hold" event just ended, set the timeout flag
-        // to indicate that the event is done and can be cleared
-        if (current_event & B_HOLD) { current_event |= B_TIMEOUT; }
-        return 1;  // event pushed
-    }
-
-    return 0;  // unexpected event type
-}
-
-
-// explicitly interrupt these "nice" delays
-volatile uint8_t nice_delay_interrupt = 0;
-inline void interrupt_nice_delays() { nice_delay_interrupt = 1; }
-
-// like delay_ms, except it aborts on state change
-// return value:
-//   0: state changed
-//   1: normal completion
-uint8_t nice_delay_ms(uint16_t ms) {
-    /*  // delay_zero() implementation
-    if (ms == 0) {
-        CLKPR = 1<<CLKPCE; CLKPR = 0;  // full speed
-        _delay_loop_2(BOGOMIPS*95/100/3);
-        return 1;
-    }
-    */
-    while(ms-- > 0) {
-        if (nice_delay_interrupt) {
-            return 0;
-        }
-
-        #ifdef USE_DYNAMIC_UNDERCLOCKING
-        #ifdef USE_RAMPING
-        uint8_t level = actual_level;  // volatile, avoid repeat access
-        if (level < QUARTERSPEED_LEVEL) {
-            clock_prescale_set(clock_div_4);
-            _delay_loop_2(BOGOMIPS*DELAY_FACTOR/100/4);
-        }
-        //else if (level < HALFSPEED_LEVEL) {
-        //    clock_prescale_set(clock_div_2);
-        //    _delay_loop_2(BOGOMIPS*95/100/2);
-        //}
-        else {
-            clock_prescale_set(clock_div_1);
-            _delay_loop_2(BOGOMIPS*DELAY_FACTOR/100);
-        }
-        // restore regular clock speed
-        clock_prescale_set(clock_div_1);
-        #else
-        // underclock MCU to save power
-        clock_prescale_set(clock_div_4);
-        // wait
-        _delay_loop_2(BOGOMIPS*DELAY_FACTOR/100/4);
-        // restore regular clock speed
-        clock_prescale_set(clock_div_1);
-        #endif  // ifdef USE_RAMPING
-        #else
-        // wait
-        _delay_loop_2(BOGOMIPS*DELAY_FACTOR/100);
-        #endif  // ifdef USE_DYNAMIC_UNDERCLOCKING
-
-        // run pending system processes while we wait
-        handle_deferred_interrupts();
-
-        // handle events only afterward, so that any collapsed delays will
-        // finish running the UI's loop() code before taking any further actions
-        // (this helps make sure code runs in the correct order)
-        // (otherwise, a new state's EV_enter runs before the old state's
-        //  loop() has finished, and things can get weird)
-        process_emissions();
-    }
-    return 1;
-}
-
-#ifdef USE_DYNAMIC_UNDERCLOCKING
-void delay_4ms(uint8_t ms) {
-    while(ms-- > 0) {
-        // underclock MCU to save power
-        clock_prescale_set(clock_div_4);
-        // wait
-        _delay_loop_2(BOGOMIPS*98/100);
-        // restore regular clock speed
-        clock_prescale_set(clock_div_1);
-    }
-}
-#else
-void delay_4ms(uint8_t ms) {
-    while(ms-- > 0) {
-        // wait
-        _delay_loop_2(BOGOMIPS*398/100);
-    }
-}
-#endif
-/*
-uint8_t nice_delay_4ms(uint8_t ms) {
-    return nice_delay_ms((uint16_t)ms << 2);
-}
-*/
-
-/*
-uint8_t nice_delay_s() {
-    return nice_delay_4ms(250);
-}
-*/
-
-- 
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