reduced ROM by ~600 bytes by moving all eeprom config values to a "cfg" struct

(this also made some parts of the code cleaner)

1 files changed, 7 insertions, 67 deletions

diff --git a/hwdef-Sofirn_LT1S-Pro.c b/hwdef-Sofirn_LT1S-Pro.c
index a6d2b8f..f617933 100644
--- a/hwdef-Sofirn_LT1S-Pro.c
+++ b/hwdef-Sofirn_LT1S-Pro.c
@@ -5,66 +5,6 @@
 #pragma once
 
 
-// calculate a "tint ramp" blend between 2 channels
-// results are placed in *warm and *cool vars
-// brightness : total amount of light units to distribute
-// top : maximum allowed brightness per channel
-// blend : ratio between warm and cool (0 = warm, 128 = 50%, 255 = cool)
-void calc_2ch_blend(
-    PWM_DATATYPE *warm,
-    PWM_DATATYPE *cool,
-    PWM_DATATYPE brightness,
-    PWM_DATATYPE top,
-    uint8_t blend) {
-
-    #ifndef TINT_RAMPING_CORRECTION
-    #define TINT_RAMPING_CORRECTION 26  // 140% brightness at middle tint
-    #endif
-
-    // calculate actual PWM levels based on a single-channel ramp
-    // and a blend value
-    PWM_DATATYPE warm_PWM, cool_PWM;
-    PWM_DATATYPE2 base_PWM = brightness;
-
-    #if defined(TINT_RAMPING_CORRECTION) && (TINT_RAMPING_CORRECTION > 0)
-        uint8_t level = actual_level - 1;
-
-        // middle tints sag, so correct for that effect
-        // by adding extra power which peaks at the middle tint
-        // (correction is only necessary when PWM is fast)
-        if (level > HALFSPEED_LEVEL) {
-            base_PWM = brightness
-                     + ((((PWM_DATATYPE2)brightness) * TINT_RAMPING_CORRECTION / 64)
-                        * triangle_wave(blend) / 255);
-        }
-        // fade the triangle wave out when above 100% power,
-        // so it won't go over 200%
-        if (brightness > top) {
-            base_PWM -= 2 * (
-                             ((brightness - top) * TINT_RAMPING_CORRECTION / 64)
-                             * triangle_wave(blend) / 255
-                        );
-        }
-        // guarantee no more than 200% power
-        if (base_PWM > (top << 1)) { base_PWM = top << 1; }
-    #endif
-
-    cool_PWM = (((PWM_DATATYPE2)blend * (PWM_DATATYPE2)base_PWM) + 127) / 255;
-    warm_PWM = base_PWM - cool_PWM;
-    // when running at > 100% power, spill extra over to other channel
-    if (cool_PWM > top) {
-        warm_PWM += (cool_PWM - top);
-        cool_PWM = top;
-    } else if (warm_PWM > top) {
-        cool_PWM += (warm_PWM - top);
-        warm_PWM = top;
-    }
-
-    *warm = warm_PWM;
-    *cool = cool_PWM;
-}
-
-
 // calculate a 3-channel "auto tint" blend
 // (like red -> warm white -> cool white)
 // results are placed in *a, *b, and *c vars
@@ -126,7 +66,7 @@ void set_level_white_blend(uint8_t level) {
     PWM_DATATYPE warm_PWM, cool_PWM;
     PWM_DATATYPE brightness = PWM_GET(pwm1_levels, level);
     PWM_DATATYPE top = PWM_GET(pwm_tops, level);
-    uint8_t blend = channel_mode_args[channel_mode];
+    uint8_t blend = cfg.channel_mode_args[cfg.channel_mode];
 
     calc_2ch_blend(&warm_PWM, &cool_PWM, brightness, top, blend);
 
@@ -166,9 +106,9 @@ void set_level_auto_3ch_blend(uint8_t level) {
 // "white + red" channel mode
 void set_level_red_white_blend(uint8_t level) {
     // set the warm+cool white LEDs first
-    channel_mode = CM_WHITE;
+    cfg.channel_mode = CM_WHITE;
     set_level_white_blend(level);
-    channel_mode = CM_WHITE_RED;
+    cfg.channel_mode = CM_WHITE_RED;
 
     if (level == 0) {
         RED_PWM_LVL = 0;
@@ -182,7 +122,7 @@ void set_level_red_white_blend(uint8_t level) {
     // set the red LED as a ratio of the white output level
     // 0 = no red
     // 255 = red at 100% of white channel PWM
-    uint8_t ratio = channel_mode_args[channel_mode];
+    uint8_t ratio = cfg.channel_mode_args[cfg.channel_mode];
 
     RED_PWM_LVL = (((PWM_DATATYPE2)ratio * (PWM_DATATYPE2)vpwm) + 127) / 255;
     if (! actual_level) PWM_CNT = 0;  // reset phase
@@ -213,7 +153,7 @@ void gradual_tick_white_blend() {
     PWM_DATATYPE warm_PWM, cool_PWM;
     PWM_DATATYPE brightness = PWM_GET(pwm1_levels, gt);
     PWM_DATATYPE top        = PWM_GET(pwm_tops, gt);
-    uint8_t blend           = channel_mode_args[channel_mode];
+    uint8_t blend           = cfg.channel_mode_args[cfg.channel_mode];
 
     calc_2ch_blend(&warm_PWM, &cool_PWM, brightness, top, blend);
 
@@ -259,9 +199,9 @@ void gradual_tick_auto_3ch_blend() {
 
 void gradual_tick_red_white_blend() {
     // do the white blend thing...
-    channel_mode = CM_WHITE;
+    cfg.channel_mode = CM_WHITE;
     gradual_tick_white_blend();
-    channel_mode = CM_WHITE_RED;
+    cfg.channel_mode = CM_WHITE_RED;
     // ... and then update red to the closest ramp level
     // (coarse red adjustments aren't visible here anyway)
     set_level_red(actual_level);