mirror of https://github.com/arendst/Tasmota.git
Add SM2135 support for BGR
Add SM2135 support for BGR and GRB color bulbs thanks to CrudelisPL (#9073)
This commit is contained in:
Theo Arends
parent
9048da1617
commit
8760b8f03b
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@ -1,7 +1,7 @@
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/*
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xlgt_04_sm2135.ino - sm2135 five channel led support for Tasmota
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Copyright (C) 2020 Theo Arends
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Copyright (C) 2020 Theo Arends and CrudelisPL
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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@ -20,9 +20,12 @@
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#ifdef USE_LIGHT
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#ifdef USE_SM2135
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/*********************************************************************************************\
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* SM2135 RGBCW Led bulbs like some Action LSC SmartLed
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* SM2135 RGBCW Led bulbs like some Action LSC SmartLed or Polux
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*
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* Action LSC SmartLed (GreenRedBlue)
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* {"NAME":"LSC RGBCW LED","GPIO":[0,0,0,0,0,0,0,0,181,0,180,0,0],"FLAG":0,"BASE":18}
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* Polux E14 (BlueGreenRed) - Notice GPIO00 = 9 (Switch1)
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* {"NAME":"Polux RGBCW E14","GPIO":[9,0,0,0,0,0,0,0,181,0,180,0,0],"FLAG":0,"BASE":18}
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\*********************************************************************************************/
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#define XLGT_04 4
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@ -50,84 +53,110 @@
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#define SM2135_55MA 0x09
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#define SM2135_60MA 0x0A
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enum Sm2135Color { SM2135_WCGRB, SM2135_WCBGR };
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// RGB current CW current
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const uint8_t SM2135_CURRENT = (SM2135_20MA << 4) | SM2135_15MA; // See https://github.com/arendst/Tasmota/issues/6495#issuecomment-549121683
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struct SM2135 {
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uint8_t clk = 0;
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uint8_t data = 0;
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uint8_t model = SM2135_WCGRB;
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} Sm2135;
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uint8_t Sm2135Write(uint8_t data)
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{
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for (uint32_t i = 0; i < 8; i++) {
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digitalWrite(Sm2135.clk, LOW);
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digitalWrite(Sm2135.data, (data & 0x80));
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digitalWrite(Sm2135.clk, HIGH);
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data = data << 1;
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}
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digitalWrite(Sm2135.clk, LOW);
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digitalWrite(Sm2135.data, HIGH);
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pinMode(Sm2135.data, INPUT);
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digitalWrite(Sm2135.clk, HIGH);
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uint8_t ack = digitalRead(Sm2135.data);
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pinMode(Sm2135.data, OUTPUT);
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return ack;
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/*********************************************************************************************\
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* SM2135 code
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\*********************************************************************************************/
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const uint8_t SM2135_DELAY = 4;
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void Sm2135SetLow(uint8_t pin) {
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noInterrupts();
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digitalWrite(pin, LOW);
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pinMode(pin, OUTPUT);
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interrupts();
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}
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void Sm2135Send(uint8_t *buffer, uint8_t size)
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{
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digitalWrite(Sm2135.data, LOW);
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for (uint32_t i = 0; i < size; i++) {
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Sm2135Write(buffer[i]);
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void Sm2135SetHigh(uint8_t pin) {
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noInterrupts();
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pinMode(pin, INPUT_PULLUP);
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interrupts();
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}
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bool Sm2135Init(void) {
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digitalWrite(Sm2135.data, LOW);
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digitalWrite(Sm2135.clk, LOW);
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digitalWrite(Sm2135.clk, HIGH);
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digitalWrite(Sm2135.data, HIGH);
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Sm2135SetHigh(Sm2135.data);
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Sm2135SetHigh(Sm2135.clk);
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return (!((digitalRead(Sm2135.data) == LOW || digitalRead(Sm2135.clk) == LOW)));
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}
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bool Sm2135Write(uint8_t value) {
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for (uint8_t curr = 0X80; curr != 0; curr >>= 1) {
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if (curr & value) {
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Sm2135SetHigh(Sm2135.data);
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} else {
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Sm2135SetLow(Sm2135.data);
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}
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Sm2135SetHigh(Sm2135.clk);
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delayMicroseconds(SM2135_DELAY);
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Sm2135SetLow(Sm2135.clk);
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}
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// get Ack or Nak
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Sm2135SetHigh(Sm2135.data);
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Sm2135SetHigh(Sm2135.clk);
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delayMicroseconds(SM2135_DELAY / 2);
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uint8_t ack = digitalRead(Sm2135.data);
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Sm2135SetLow(Sm2135.clk);
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delayMicroseconds(SM2135_DELAY / 2);
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Sm2135SetLow(Sm2135.data);
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return (0 == ack);
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}
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bool Sm2135Start(uint8_t addr) {
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Sm2135SetLow(Sm2135.data);
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delayMicroseconds(SM2135_DELAY);
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Sm2135SetLow(Sm2135.clk);
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return Sm2135Write(addr);
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}
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void Sm2135Stop(void) {
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Sm2135SetLow(Sm2135.data);
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delayMicroseconds(SM2135_DELAY);
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Sm2135SetHigh(Sm2135.clk);
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delayMicroseconds(SM2135_DELAY);
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Sm2135SetHigh(Sm2135.data);
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delayMicroseconds(SM2135_DELAY);
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}
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/********************************************************************************************/
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bool Sm2135SetChannels(void)
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{
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bool Sm2135SetChannels(void) {
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uint8_t *cur_col = (uint8_t*)XdrvMailbox.data;
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uint8_t data[6];
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Sm2135Start(SM2135_ADDR_MC);
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Sm2135Write(SM2135_CURRENT);
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if ((0 == cur_col[0]) && (0 == cur_col[1]) && (0 == cur_col[2])) {
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// No color so must be Cold/Warm
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/*
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if ((cur_col[3] + cur_col[4]) >= (1 * 256)) {
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// Scale down to 255 total to fix max power usage of 9W (=40mA)
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// cur_col[3] >>= 1; // Divide by 2
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// cur_col[4] >>= 1; // Divide by 2
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}
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*/
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data[0] = SM2135_ADDR_MC;
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data[1] = SM2135_CURRENT;
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data[2] = SM2135_CW;
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Sm2135Send(data, 3);
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Sm2135Write(SM2135_CW);
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Sm2135Stop();
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delay(1);
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data[0] = SM2135_ADDR_C;
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data[1] = cur_col[4]; // Warm
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data[2] = cur_col[3]; // Cold
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Sm2135Send(data, 3);
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Sm2135Start(SM2135_ADDR_C);
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Sm2135Write(cur_col[4]); // Warm
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Sm2135Write(cur_col[3]); // Cold
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} else {
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// Color
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/*
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if ((cur_col[0] + cur_col[1] + cur_col[2]) >= (3 * 256)) {
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// Scale down to 765 total to fix max power usage of 9W
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// Currently not needed with setting 3 x 15mA = 45mA = 11W = 765
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Sm2135Write(SM2135_RGB);
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if (SM2135_WCBGR == Sm2135.model) {
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Sm2135Write(cur_col[2]); // Blue
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Sm2135Write(cur_col[1]); // Green
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Sm2135Write(cur_col[0]); // Red
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} else {
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Sm2135Write(cur_col[1]); // Green
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Sm2135Write(cur_col[0]); // Red
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Sm2135Write(cur_col[2]); // Blue
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}
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*/
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data[0] = SM2135_ADDR_MC;
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data[1] = SM2135_CURRENT;
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data[2] = SM2135_RGB;
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data[3] = cur_col[1]; // Green
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data[4] = cur_col[0]; // Red
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data[5] = cur_col[2]; // Blue
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Sm2135Send(data, 6);
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}
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Sm2135Stop();
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return true;
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}
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@ -138,14 +167,18 @@ void Sm2135ModuleSelected(void)
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Sm2135.clk = Pin(GPIO_SM2135_CLK);
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Sm2135.data = Pin(GPIO_SM2135_DAT);
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pinMode(Sm2135.data, OUTPUT);
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digitalWrite(Sm2135.data, HIGH);
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pinMode(Sm2135.clk, OUTPUT);
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digitalWrite(Sm2135.clk, HIGH);
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Sm2135.model = SM2135_WCGRB;
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if (PinUsed(GPIO_SWT1)) {
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Sm2135.model = SM2135_WCBGR;
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pinMode(Pin(GPIO_SWT1), INPUT); // Discard GPIO_SWT functionality
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SetPin(Pin(GPIO_SWT1), AGPIO(GPIO_NONE));
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}
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Sm2135Init();
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light_type = LT_RGBWC;
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light_flg = XLGT_04;
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AddLog_P2(LOG_LEVEL_DEBUG, PSTR("DBG: SM2135 Found"));
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AddLog_P2(LOG_LEVEL_DEBUG, PSTR("DBG: SM2135 (%s) Found"), (SM2135_WCBGR == Sm2135.model) ? PSTR("BGR") : PSTR("GRB"));
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}
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}
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