From badf37072988156a4cee753b922306195ee45916 Mon Sep 17 00:00:00 2001
From: Selene ToyKeeper
Date: Thu, 24 Aug 2017 02:09:33 -0600
Subject: Added a ramping UI example. Added ramping support in general.

---
 spaghetti-monster/fsm-ramping.c | 62 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 62 insertions(+)
 create mode 100644 spaghetti-monster/fsm-ramping.c

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

diff --git a/spaghetti-monster/fsm-ramping.c b/spaghetti-monster/fsm-ramping.c
new file mode 100644
index 0000000..ab7bd3c
--- /dev/null
+++ b/spaghetti-monster/fsm-ramping.c
@@ -0,0 +1,62 @@
+/*
+ * 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;
+    //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
+    }
+}
+
+// TODO: set_lvl_smooth?
+
+#endif  // ifdef USE_RAMPING
+#endif
-- 
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