merged fsm branch, finally

1 files changed, 132 insertions, 0 deletions

diff --git a/spaghetti-monster/fsm-ramping.c b/spaghetti-monster/fsm-ramping.c
new file mode 100644
index 0000000..ec132ae
--- /dev/null
+++ b/spaghetti-monster/fsm-ramping.c
@@ -0,0 +1,132 @@
+/*
+ * fsm-ramping.c: Ramping functions for SpaghettiMonster.
+ * Handles 1- to 4-channel smooth ramping on a single LED.
+ *
+ * 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_RAMPING_C
+#define FSM_RAMPING_C
+
+#ifdef USE_RAMPING
+
+void set_level(uint8_t level) {
+    actual_level = level;
+    #ifdef USE_SET_LEVEL_GRADUALLY
+    gradual_target = level;
+    #endif
+    #ifdef USE_INDICATOR_LED
+    if (! go_to_standby)
+        indicator_led((level > 0) + (level > MAX_1x7135));
+    //if (level > MAX_1x7135) indicator_led(2);
+    //else if (level > 0) indicator_led(1);
+    //else if (! go_to_standby) indicator_led(0);
+    #endif
+    //TCCR0A = PHASE;
+    if (level == 0) {
+        #if PWM_CHANNELS >= 1
+        PWM1_LVL = 0;
+        #endif
+        #if PWM_CHANNELS >= 2
+        PWM2_LVL = 0;
+        #endif
+        #if PWM_CHANNELS >= 3
+        PWM3_LVL = 0;
+        #endif
+        #if PWM_CHANNELS >= 4
+        PWM4_LVL = 0;
+        #endif
+    } else {
+        level --;
+        #if PWM_CHANNELS >= 1
+        PWM1_LVL = pgm_read_byte(pwm1_levels + level);
+        #endif
+        #if PWM_CHANNELS >= 2
+        PWM2_LVL = pgm_read_byte(pwm2_levels + level);
+        #endif
+        #if PWM_CHANNELS >= 3
+        PWM3_LVL = pgm_read_byte(pwm3_levels + level);
+        #endif
+        #if PWM_CHANNELS >= 4
+        PWM4_LVL = pgm_read_byte(pwm4_levels + level);
+        #endif
+    }
+    #ifdef USE_DYNAMIC_UNDERCLOCKING
+    auto_clock_speed();
+    #endif
+}
+
+#ifdef USE_SET_LEVEL_GRADUALLY
+inline void set_level_gradually(uint8_t lvl) {
+    gradual_target = lvl;
+}
+
+// call this every frame or every few frames to change brightness very smoothly
+void gradual_tick() {
+    // go by only one ramp level at a time instead of directly to the target
+    uint8_t gt = gradual_target;
+    if (gt < actual_level) gt = actual_level - 1;
+    else if (gt > actual_level) gt = actual_level + 1;
+
+    gt --;  // convert 1-based number to 0-based
+
+    uint8_t target;
+
+    #if PWM_CHANNELS >= 1
+    target = pgm_read_byte(pwm1_levels + gt);
+    if ((gt < actual_level)     // special case for FET-only turbo
+            && (PWM1_LVL == 0)  // (bypass adjustment period for first step)
+            && (target == 255)) PWM1_LVL = 255;
+    else if (PWM1_LVL < target) PWM1_LVL ++;
+    else if (PWM1_LVL > target) PWM1_LVL --;
+    #endif
+    #if PWM_CHANNELS >= 2
+    target = pgm_read_byte(pwm2_levels + gt);
+    if (PWM2_LVL < target) PWM2_LVL ++;
+    else if (PWM2_LVL > target) PWM2_LVL --;
+    #endif
+    #if PWM_CHANNELS >= 3
+    target = pgm_read_byte(pwm3_levels + gt);
+    if (PWM3_LVL < target) PWM3_LVL ++;
+    else if (PWM3_LVL > target) PWM3_LVL --;
+    #endif
+    #if PWM_CHANNELS >= 4
+    target = pgm_read_byte(pwm4_levels + gt);
+    if (PWM4_LVL < target) PWM4_LVL ++;
+    else if (PWM4_LVL > target) PWM4_LVL --;
+    #endif
+
+    // did we go far enough to hit the next defined ramp level?
+    // if so, update the main ramp level tracking var
+    if ((PWM1_LVL == pgm_read_byte(pwm1_levels + gt))
+        #if PWM_CHANNELS >= 2
+            && (PWM2_LVL == pgm_read_byte(pwm2_levels + gt))
+        #endif
+        #if PWM_CHANNELS >= 3
+            && (PWM3_LVL == pgm_read_byte(pwm3_levels + gt))
+        #endif
+        #if PWM_CHANNELS >= 4
+            && (PWM4_LVL == pgm_read_byte(pwm4_levels + gt))
+        #endif
+        )
+    {
+        actual_level = gt + 1;
+    }
+}
+#endif
+
+#endif  // ifdef USE_RAMPING
+#endif