Added a ramping UI example.

Added ramping support in general.

1 files changed, 252 insertions, 0 deletions

diff --git a/spaghetti-monster/ramping-ui.c b/spaghetti-monster/ramping-ui.c
new file mode 100644
index 0000000..b51d2f4
--- /dev/null
+++ b/spaghetti-monster/ramping-ui.c
@@ -0,0 +1,252 @@
+/*
+ * Ramping-UI: Ramping UI 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/>.
+ */
+
+#define FSM_EMISAR_D4_LAYOUT
+#define USE_LVP
+#define USE_THERMAL_REGULATION
+#define DEFAULT_THERM_CEIL 32
+#define USE_DEBUG_BLINK
+#define USE_DELAY_MS
+#define USE_DELAY_ZERO
+#define USE_RAMPING
+#define RAMP_LENGTH 150
+#include "spaghetti-monster.h"
+
+// FSM states
+uint8_t off_state(EventPtr event, uint16_t arg);
+uint8_t steady_state(EventPtr event, uint16_t arg);
+uint8_t party_strobe_state(EventPtr event, uint16_t arg);
+
+// brightness control
+uint8_t memorized_level = 1;
+#ifdef USE_THERMAL_REGULATION
+uint8_t target_level = 0;
+#endif
+
+uint8_t off_state(EventPtr event, uint16_t arg) {
+    // turn emitter off when entering state
+    if (event == EV_enter_state) {
+        set_level(0);
+        // sleep while off  (lower power use)
+        //empty_event_sequence();  // just in case (but shouldn't be needed)
+        standby_mode();
+        return 0;
+    }
+    // hold (initially): go to lowest level, but allow abort for regular click
+    else if (event == EV_click1_press) {
+        set_level(1);
+        return 0;
+    }
+    // 1 click (before timeout): go to memorized level, but allow abort for double click
+    else if (event == EV_click1_release) {
+        set_level(memorized_level);
+        return 0;
+    }
+    // 1 click: regular mode
+    else if (event == EV_1click) {
+        set_state(steady_state, memorized_level);
+        return 0;
+    }
+    // 2 clicks: highest mode
+    else if (event == EV_2clicks) {
+        set_state(steady_state, MAX_LEVEL);
+        return 0;
+    }
+    // 3 clicks: strobe mode
+    else if (event == EV_3clicks) {
+        set_state(party_strobe_state, 255);
+        return 0;
+    }
+    // hold: go to lowest level
+    else if (event == EV_click1_hold) {
+        // don't start ramping immediately;
+        // give the user time to release at moon level
+        if (arg >= HOLD_TIMEOUT)
+            set_state(steady_state, 1);
+        return 0;
+    }
+    // hold, release quickly: go to lowest level
+    else if (event == EV_click1_hold_release) {
+        set_state(steady_state, 1);
+        return 0;
+    }
+    // click-release-hold: go to highest level (for ramping down)
+    else if (event == EV_click2_hold) {
+        set_state(steady_state, MAX_LEVEL);
+        return 0;
+    }
+    return 1;
+}
+
+uint8_t steady_state(EventPtr event, uint16_t arg) {
+    // turn LED on when we first enter the mode
+    if (event == EV_enter_state) {
+        // remember this level, unless it's moon or turbo
+        if ((arg > 1) && (arg < MAX_LEVEL))
+            memorized_level = arg;
+        // use the requested level even if not memorized
+        #ifdef USE_THERMAL_REGULATION
+        target_level = arg;
+        #endif
+        set_level(arg);
+        return 0;
+    }
+    // 1 click: off
+    else if (event == EV_1click) {
+        set_state(off_state, 0);
+        return 0;
+    }
+    // 2 clicks: go to/from highest level
+    else if (event == EV_2clicks) {
+        if (actual_level < MAX_LEVEL) {
+            memorized_level = actual_level;  // in case we're on moon
+            #ifdef USE_THERMAL_REGULATION
+            target_level = MAX_LEVEL;
+            #endif
+            set_level(MAX_LEVEL);
+        }
+        else {
+            #ifdef USE_THERMAL_REGULATION
+            target_level = memorized_level;
+            #endif
+            set_level(memorized_level);
+        }
+        return 0;
+    }
+    // 3 clicks: go to strobe modes
+    else if (event == EV_3clicks) {
+        set_state(party_strobe_state, 0xff);
+        return 0;
+    }
+    // hold: change brightness (brighter)
+    else if (event == EV_click1_hold) {
+        // FIXME: make it ramp down instead, if already at max
+        if (actual_level < MAX_LEVEL)
+            memorized_level = (actual_level+1);
+        #ifdef USE_THERMAL_REGULATION
+        target_level = memorized_level;
+        #endif
+        // FIXME: only blink once
+        if ((memorized_level == MAX_1x7135) || (memorized_level == MAX_LEVEL)) {
+            set_level(0);
+            delay_ms(7);
+        }
+        set_level(memorized_level);
+        return 0;
+    }
+    // click-release-hold: change brightness (dimmer)
+    else if (event == EV_click2_hold) {
+        // FIXME: make it ramp up instead, if already at min
+        if (actual_level > 1)
+            memorized_level = (actual_level-1);
+        #ifdef USE_THERMAL_REGULATION
+        target_level = memorized_level;
+        #endif
+        // FIXME: only blink once
+        if ((memorized_level == MAX_1x7135) || (memorized_level == 1)) {
+            set_level(0);
+            delay_ms(7);
+        }
+        set_level(memorized_level);
+        return 0;
+    }
+    #ifdef USE_THERMAL_REGULATION
+    // FIXME: make thermal regulation work with ramping
+    // overheating: drop by 1 level
+    else if (event == EV_temperature_high) {
+        if (actual_level > 1) {
+            set_level(actual_level - 1);
+        }
+        return 0;
+    }
+    // underheating: increase by 1 level if we're lower than the target
+    else if (event == EV_temperature_low) {
+        if (actual_level < target_level) {
+            set_level(actual_level + 1);
+        }
+        return 0;
+    }
+    #endif
+    return 1;
+}
+
+uint8_t party_strobe_state(EventPtr event, uint16_t arg) {
+    static volatile uint8_t frames = 0;
+    static volatile uint8_t between = 2;
+    if (event == EV_enter_state) {
+        if (arg < 64) between = arg;
+        frames = 0;
+        return 0;
+    }
+    // tick: strobe the emitter
+    else if (event == EV_tick) {
+        if (frames == 0) {
+            PWM1_LVL = 0;
+            PWM2_LVL = 255;
+            if (between < 3) delay_zero();
+            else delay_ms(1);
+            PWM2_LVL = 0;
+        }
+        //frames = (frames + 1) % between;
+        frames++;
+        if (frames > between) frames = 0;
+        return 0;
+    }
+    // 1 click: off
+    else if (event == EV_1click) {
+        set_state(off_state, 0);
+        return 0;
+    }
+    // 2 clicks: go back to regular modes
+    else if (event == EV_2clicks) {
+        set_state(steady_state, memorized_level);
+        return 0;
+    }
+    // hold: change speed
+    else if (event == EV_click1_hold) {
+        if ((arg % HOLD_TIMEOUT) == 0) {
+            between = (between+1)%6;
+            frames = 0;
+        }
+        return 0;
+    }
+    return 1;
+}
+
+void low_voltage() {
+    // "step down" from strobe to something low
+    if (current_state == party_strobe_state) {
+        set_state(steady_state, RAMP_SIZE/6);
+    }
+    // in normal mode, step down by half or turn off
+    else if (current_state == steady_state) {
+        if (actual_level > 1) {
+            set_level(actual_level >> 1);
+        }
+        else {
+            set_state(off_state, 0);
+        }
+    }
+}
+
+void setup() {
+    debug_blink(2);
+
+    push_state(off_state, 0);
+}