From 215a56b08586dcf4352b6eb2713f5238a4d5b360 Mon Sep 17 00:00:00 2001
From: Selene ToyKeeper
Date: Thu, 13 Sep 2018 03:44:23 -0600
Subject: Added tint ramping.  Not tested yet.  Also added BLF Lantern build
 target.

---
 spaghetti-monster/anduril/anduril.c    | 43 +++++++++++++++++++++++++++++++++-
 spaghetti-monster/anduril/build-all.sh |  1 +
 spaghetti-monster/fsm-ramping.c        | 20 ++++++++++++++++
 spaghetti-monster/fsm-ramping.h        |  4 ++++
 4 files changed, 67 insertions(+), 1 deletion(-)

(limited to 'spaghetti-monster')

diff --git a/spaghetti-monster/anduril/anduril.c b/spaghetti-monster/anduril/anduril.c
index c8517af..07d51f5 100644
--- a/spaghetti-monster/anduril/anduril.c
+++ b/spaghetti-monster/anduril/anduril.c
@@ -75,6 +75,9 @@
 #elif defined(FSM_BLF_GT_MINI_DRIVER)
 #include "cfg-blf-gt-mini.h"
 
+#elif defined(FSM_BLF_LANTERN_DRIVER)
+#include "cfg-blf-lantern.h"
+
 #elif defined(FSM_BLF_Q8_DRIVER)
 #include "cfg-blf-q8.h"
 
@@ -204,6 +207,10 @@ uint8_t config_state_values[MAX_CONFIG_VALUES];
 // ramping mode and its related config mode
 uint8_t steady_state(EventPtr event, uint16_t arg);
 uint8_t ramp_config_state(EventPtr event, uint16_t arg);
+#ifdef USE_TINT_RAMPING
+// not actually a mode, more of a fallback under other modes
+uint8_t tint_ramping_state(EventPtr event, uint16_t arg);
+#endif
 // party and tactical strobes
 #ifdef USE_STROBE_STATE
 uint8_t strobe_state(EventPtr event, uint16_t arg);
@@ -784,6 +791,34 @@ uint8_t steady_state(EventPtr event, uint16_t arg) {
 }
 
 
+#ifdef USE_TINT_RAMPING
+uint8_t tint_ramping_state(EventPtr event, uint16_t arg) {
+    static int8_t tint_ramp_direction = 1;
+
+    // click, click, hold: change the tint
+    if (event == EV_click3_hold) {
+        if ((arg & 1) == 0) {  // ramp slower
+            if ((tint_ramp_direction > 0) && (tint < 255)) {
+                tint += 1;
+            }
+            else if ((tint_ramp_direction < 0) && (tint > 0)) {
+                tint -= 1;
+            }
+        }
+        return EVENT_HANDLED;
+    }
+
+    // click, click, hold, release: reverse direction for next ramp
+    else if (event == EV_click3_hold_release) {
+        tint_ramp_direction = -tint_ramp_direction;
+        return EVENT_HANDLED;
+    }
+
+    return EVENT_NOT_HANDLED;
+}
+#endif  // ifdef USE_TINT_RAMPING
+
+
 #ifdef USE_STROBE_STATE
 uint8_t strobe_state(EventPtr event, uint16_t arg) {
     // 'st' reduces ROM size by avoiding access to a volatile var
@@ -1786,14 +1821,20 @@ void setup() {
 
     load_config();
 
+    #ifdef USE_TINT_RAMPING
+    // add tint ramping underneath every other state
+    push_state(tint_ramping_state, 0);
+
     #ifdef USE_MUGGLE_MODE
     if (muggle_mode_active)
         push_state(muggle_state, (MUGGLE_FLOOR+MUGGLE_CEILING)/2);
     else
     #endif
         push_state(off_state, 0);
-    #endif
 
+    #endif  // ifdef USE_TINT_RAMPING
+
+    #endif  // ifdef START_AT_MEMORIZED_LEVEL
 }
 
 
diff --git a/spaghetti-monster/anduril/build-all.sh b/spaghetti-monster/anduril/build-all.sh
index 794b285..98f95f5 100755
--- a/spaghetti-monster/anduril/build-all.sh
+++ b/spaghetti-monster/anduril/build-all.sh
@@ -5,6 +5,7 @@ UI=anduril
 for TARGET in \
   BLF_GT \
   BLF_GT_MINI \
+  BLF_LANTERN \
   BLF_Q8 \
   EMISAR_D1 \
   EMISAR_D1S \
diff --git a/spaghetti-monster/fsm-ramping.c b/spaghetti-monster/fsm-ramping.c
index 6cdf5e6..0492943 100644
--- a/spaghetti-monster/fsm-ramping.c
+++ b/spaghetti-monster/fsm-ramping.c
@@ -25,9 +25,20 @@
 
 void set_level(uint8_t level) {
     actual_level = level;
+
+    #ifdef USE_TINT_RAMPING
+    // calculate actual PWM levels based on a single-channel ramp
+    // and a global tint value
+    uint8_t brightness = pgm_read_byte(pwm1_levels + level);
+    uint8_t warm_PWM, cool_PWM;
+    cool_PWM = (uint16_t)tint * brightness / 255;
+    warm_PWM = brightness - cool_PWM;
+    #endif
+
     #ifdef USE_SET_LEVEL_GRADUALLY
     gradual_target = level;
     #endif
+
     #ifdef USE_INDICATOR_LED
     #ifdef USE_INDICATOR_LED_WHILE_RAMPING
     if (! go_to_standby)
@@ -40,6 +51,7 @@ void set_level(uint8_t level) {
         indicator_led(0);
     #endif
     #endif
+
     //TCCR0A = PHASE;
     if (level == 0) {
         #if PWM_CHANNELS >= 1
@@ -56,6 +68,12 @@ void set_level(uint8_t level) {
         #endif
     } else {
         level --;
+
+        #ifdef USE_TINT_RAMPING
+        PWM1_LVL = warm_PWM;
+        PWM2_LVL = cool_PWM;
+        #else
+
         #if PWM_CHANNELS >= 1
         PWM1_LVL = pgm_read_byte(pwm1_levels + level);
         #endif
@@ -68,6 +86,8 @@ void set_level(uint8_t level) {
         #if PWM_CHANNELS >= 4
         PWM4_LVL = pgm_read_byte(pwm4_levels + level);
         #endif
+
+        #endif  // ifdef USE_TINT_RAMPING
     }
     #ifdef USE_DYNAMIC_UNDERCLOCKING
     auto_clock_speed();
diff --git a/spaghetti-monster/fsm-ramping.h b/spaghetti-monster/fsm-ramping.h
index 14c8dae..9732b9c 100644
--- a/spaghetti-monster/fsm-ramping.h
+++ b/spaghetti-monster/fsm-ramping.h
@@ -26,6 +26,10 @@
 // actual_level: last ramp level set by set_level()
 volatile uint8_t actual_level = 0;
 
+#ifdef USE_TINT_RAMPING
+uint8_t tint = 0;
+#endif
+
 #ifdef USE_SET_LEVEL_GRADUALLY
 // adjust brightness very smoothly
 volatile uint8_t gradual_target;
-- 
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