From 3b73d2340e2e227518e82c409be1caf9bd031719 Mon Sep 17 00:00:00 2001
From: Maurice Makaay <maurice@makaay.nl>
Date: Sat, 6 Mar 2021 04:35:25 +0100
Subject: [PATCH] Backup work on I2C

---
 yeelight_bs2.h    |  2 +-
 yeelight_bs2.yaml | 26 ++++++++++++++++++++++----
 2 files changed, 23 insertions(+), 5 deletions(-)

diff --git a/yeelight_bs2.h b/yeelight_bs2.h
index 94ebdf8..f7cefb4 100644
--- a/yeelight_bs2.h
+++ b/yeelight_bs2.h
@@ -94,7 +94,7 @@ class YeelightBedsideLampV2LightOutput : public Component, public LightOutput
     // This tunes the power for the red channel a bit, to bring
     // the red=1, green=1, blue=1 color more towards white.
     // (on my lamps, there is a faint hint of red in the color)
-    red = red * 0.95f;
+    red = red * 0.93f;
 
     // Compensate for brightness.
     red = red * brightness;
diff --git a/yeelight_bs2.yaml b/yeelight_bs2.yaml
index 3a4182a..e8467c4 100644
--- a/yeelight_bs2.yaml
+++ b/yeelight_bs2.yaml
@@ -13,11 +13,20 @@ esphome:
 logger:
 
 # The front panel of the device uses I2C for communication
-# with the ESP32 main board. The panel uses ID 0x10.
+# with the ESP32 main board. The panel uses address 0x2C.
+# There are two I2C busses attached to the ESP32:
+# SDA 17/SCL 18 and SDA 21/SCL 19. The latter is the
+# correct one for the front panel. The former is probably
+# an EEPROM of some sorts.
 i2c:
-  sda: 17
-  scl: 18
-  scan: True
+  - id: eeprom_i2c
+    sda: 17
+    scl: 18
+    scan: True
+  - id: front_panel_i2c
+    sda: 21
+    scl: 19
+    scan: True
   
 output:
   - platform: gpio
@@ -49,3 +58,12 @@ light:
     lights:
       - name: ${friendly_name} RGBW Light
         default_transition_length: 0s
+        effects:
+          - random:
+              name: "Slow Random"
+              transition_length: 30s
+              update_interval: 30s
+          - random:
+              name: "Fast Random"
+              transition_length: 3s
+              update_interval: 4s