From d47aae3f99d8ec3b3d7ff4e238bbbf4ef415ced0 Mon Sep 17 00:00:00 2001
From: openshwprojects <openshwprojects@gmail.com>
Date: Thu, 9 Mar 2023 03:27:30 +0100
Subject: [PATCH] add ability to change mired range

---
 src/cmnds/cmd_newLEDDriver.c | 14 ++++++++++++--
 src/cmnds/cmd_public.h       |  5 +++--
 src/httpserver/http_fns.c    |  6 ++++--
 3 files changed, 19 insertions(+), 6 deletions(-)

diff --git a/src/cmnds/cmd_newLEDDriver.c b/src/cmnds/cmd_newLEDDriver.c
index bede8ae79..f05a247b0 100644
--- a/src/cmnds/cmd_newLEDDriver.c
+++ b/src/cmnds/cmd_newLEDDriver.c
@@ -70,8 +70,8 @@ float rgb_used_corr[3];   // RGB correction currently used
 int g_lightEnableAll = 0;
 
 // the slider control in the UI emits values
-//in the range from 154-500 (defined
-//in homeassistant/util/color.py as HASS_COLOR_MIN and HASS_COLOR_MAX).
+// in the range from 154-500 (defined
+// in homeassistant/util/color.py as HASS_COLOR_MIN and HASS_COLOR_MAX).
 float led_temperature_min = HASS_TEMPERATURE_MIN;
 float led_temperature_max = HASS_TEMPERATURE_MAX;
 float led_temperature_current = HASS_TEMPERATURE_MIN;
@@ -1311,6 +1311,15 @@ static commandResult_t lerpSpeed(const void *context, const char *cmd, const cha
 
 	return CMD_RES_OK;
 }
+static commandResult_t ledRange(const void *context, const char *cmd, const char *args, int cmdFlags) {
+	// Use tokenizer, so we can use variables (eg. $CH11 as variable)
+	Tokenizer_TokenizeString(args, 0);
+
+	led_temperature_min = Tokenizer_GetArgFloat(0);
+	led_temperature_max = Tokenizer_GetArgFloat(1);
+
+	return CMD_RES_OK;
+}
 static commandResult_t setBrightness(const void *context, const char *cmd, const char *args, int cmdFlags) {
 	float f;
 
@@ -1494,6 +1503,7 @@ void NewLED_InitCommands(){
 	//cmddetail:"fn":"rgb_gamma_control","file":"cmnds/cmd_rgbGamma.c","requires":"",
 	//cmddetail:"examples":"led_gammaCtrl on"}
     CMD_RegisterCommand("led_gammaCtrl", led_gamma_control, NULL);
+	CMD_RegisterCommand("LEDRange", ledRange, NULL);
 }
 
 void NewLED_RestoreSavedStateIfNeeded() {
diff --git a/src/cmnds/cmd_public.h b/src/cmnds/cmd_public.h
index ba2bea4f6..40ea0c129 100644
--- a/src/cmnds/cmd_public.h
+++ b/src/cmnds/cmd_public.h
@@ -124,8 +124,7 @@ enum EventCode {
 #define HASS_TEMPERATURE_MIN 154
 #define HASS_TEMPERATURE_MAX 500
 #define HASS_TEMPERATURE_CENTER ((HASS_TEMPERATURE_MAX+HASS_TEMPERATURE_MIN)/2)
-#define KELVIN_TEMPERATURE_MIN 2000
-#define KELVIN_TEMPERATURE_MAX 6500
+#define HASS_TO_KELVIN(x) (1000000 / (x))
 
 // In general, LED can be in two modes:
 // - Temperature (Cool and Warm LEDs are on)
@@ -222,6 +221,8 @@ OBK_Publish_Result LED_SendDimmerChange();
 OBK_Publish_Result sendTemperatureChange();
 OBK_Publish_Result LED_SendCurrentLightMode();
 void LED_ResetGlobalVariablesToDefaults();
+extern float led_temperature_min;
+extern float led_temperature_max;
 // cmd_test.c
 int CMD_InitTestCommands();
 // cmd_channels.c
diff --git a/src/httpserver/http_fns.c b/src/httpserver/http_fns.c
index 372c7cd99..2365477d9 100644
--- a/src/httpserver/http_fns.c
+++ b/src/httpserver/http_fns.c
@@ -769,14 +769,16 @@ int http_fn_index(http_request_t* request) {
 			inputName = "pwm";
 
 			pwmValue = LED_GetTemperature();
-			long pwmKelvin = 1000000 / pwmValue;
+			long pwmKelvin = HASS_TO_KELVIN(pwmValue);
+			long pwmKelvinMax = HASS_TO_KELVIN(led_temperature_min);
+			long pwmKelvinMin = HASS_TO_KELVIN(led_temperature_max);
 
 			poststr(request, "<tr><td>");
 			hprintf255(request, "<h5>LED Temperature Slider %s (%ld K) (Warm <--- ---> Cool)</h5>", activeStr, pwmKelvin);
 			hprintf255(request, "<form class='r' action=\"index\" id=\"form%i\">", SPECIAL_CHANNEL_TEMPERATURE);
 
 			//(KELVIN_TEMPERATURE_MAX - KELVIN_TEMPERATURE_MIN) / (HASS_TEMPERATURE_MAX - HASS_TEMPERATURE_MIN) = 13
-			hprintf255(request, "<input type=\"range\" step='13' min=\"%ld\" max=\"%ld\" ", KELVIN_TEMPERATURE_MIN, KELVIN_TEMPERATURE_MAX);
+			hprintf255(request, "<input type=\"range\" step='13' min=\"%ld\" max=\"%ld\" ", pwmKelvinMin, pwmKelvinMax);
 			hprintf255(request, "value=\"%ld\" onchange=\"submitTemperature(this);\"/>", pwmKelvin);
 
 			hprintf255(request, "<input type=\"hidden\" name=\"%sIndex\" value=\"%i\"/>", inputName, SPECIAL_CHANNEL_TEMPERATURE);