/* xlgt_04_sm2135.ino - sm2135 five channel led support for Tasmota Copyright (C) 2021 Theo Arends and CrudelisPL This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ #ifdef USE_LIGHT #ifdef USE_SM2135 /*********************************************************************************************\ * SM2135 RGBCW Led bulbs like some Action LSC SmartLed or Polux * * Action LSC SmartLed (GreenRedBlue) * {"NAME":"LSC RGBCW LED","GPIO":[0,0,0,0,0,0,0,0,181,0,180,0,0],"FLAG":0,"BASE":18} * {"NAME":"LSC RGBCW LED","GPIO":[0,0,0,0,0,0,0,0,4064,0,4032,0,0,0],"FLAG":0,"BASE":18} * Polux E14 (BlueGreenRed) - Notice GPIO00 = 9 (Switch1) * {"NAME":"Polux RGBCW E14","GPIO":[9,0,0,0,0,0,0,0,181,0,180,0,0],"FLAG":0,"BASE":18} * Polux E14 (BlueGreenRed) * {"NAME":"Polux RGBCW E14","GPIO":[0,0,0,0,0,0,0,0,4065,0,4032,0,0,0],"FLAG":0,"BASE":18} * LE LampUX 907001-US * {"NAME":"LE LampUX 907001-US","GPIO":[0,0,0,0,0,0,0,0,4066,0,4032,0,0,0],"FLAG":0,"BASE":18} \*********************************************************************************************/ #define XLGT_04 4 #define SM2135_ADDR_MC 0xC0 // Max current register #define SM2135_ADDR_CH 0xC1 // RGB or CW channel select register #define SM2135_ADDR_R 0xC2 // Red color #define SM2135_ADDR_G 0xC3 // Green color #define SM2135_ADDR_B 0xC4 // Blue color #define SM2135_ADDR_C 0xC5 // Cold #define SM2135_ADDR_W 0xC6 // Warm #define SM2135_RGB 0x00 // RGB channel #define SM2135_CW 0x80 // CW channel (Chip default) #define SM2135_10MA 0x00 #define SM2135_15MA 0x01 #define SM2135_20MA 0x02 // RGB max current (Chip default) #define SM2135_25MA 0x03 #define SM2135_30MA 0x04 // CW max current (Chip default) #define SM2135_35MA 0x05 #define SM2135_40MA 0x06 #define SM2135_45MA 0x07 // Max value for RGB #define SM2135_50MA 0x08 #define SM2135_55MA 0x09 #define SM2135_60MA 0x0A enum Sm2135Color { SM2135_WCGRB, SM2135_WCBGR, SM2135_WCGRBHI, SM2135_WCBGRHI }; struct SM2135 { uint8_t clk = 0; uint8_t data = 0; uint8_t current; uint8_t model = SM2135_WCGRB; } Sm2135; /*********************************************************************************************\ * SM2135 code \*********************************************************************************************/ const uint8_t SM2135_DELAY = 4; void Sm2135SetLow(uint8_t pin) { noInterrupts(); digitalWrite(pin, LOW); pinMode(pin, OUTPUT); interrupts(); } void Sm2135SetHigh(uint8_t pin) { noInterrupts(); pinMode(pin, INPUT_PULLUP); interrupts(); } bool Sm2135Init(void) { digitalWrite(Sm2135.data, LOW); digitalWrite(Sm2135.clk, LOW); Sm2135SetHigh(Sm2135.data); Sm2135SetHigh(Sm2135.clk); return (!((digitalRead(Sm2135.data) == LOW || digitalRead(Sm2135.clk) == LOW))); } bool Sm2135Write(uint8_t value) { for (uint8_t curr = 0X80; curr != 0; curr >>= 1) { if (curr & value) { Sm2135SetHigh(Sm2135.data); } else { Sm2135SetLow(Sm2135.data); } Sm2135SetHigh(Sm2135.clk); delayMicroseconds(SM2135_DELAY); Sm2135SetLow(Sm2135.clk); } // get Ack or Nak Sm2135SetHigh(Sm2135.data); Sm2135SetHigh(Sm2135.clk); delayMicroseconds(SM2135_DELAY / 2); uint8_t ack = digitalRead(Sm2135.data); Sm2135SetLow(Sm2135.clk); delayMicroseconds(SM2135_DELAY / 2); Sm2135SetLow(Sm2135.data); return (0 == ack); } bool Sm2135Start(uint8_t addr) { Sm2135SetLow(Sm2135.data); delayMicroseconds(SM2135_DELAY); Sm2135SetLow(Sm2135.clk); return Sm2135Write(addr); } void Sm2135Stop(void) { Sm2135SetLow(Sm2135.data); delayMicroseconds(SM2135_DELAY); Sm2135SetHigh(Sm2135.clk); delayMicroseconds(SM2135_DELAY); Sm2135SetHigh(Sm2135.data); delayMicroseconds(SM2135_DELAY); } /********************************************************************************************/ bool Sm2135SetChannels(void) { uint8_t *cur_col = (uint8_t*)XdrvMailbox.data; uint8_t data[6]; uint32_t light_type = 3; // RGB and CW if (Sm2135.model < 2) { if ((0 == cur_col[0]) && (0 == cur_col[1]) && (0 == cur_col[2])) { light_type = 1; // CW only } else { light_type = 2; // RGB only } } if (light_type &2) { // Set RGB Sm2135Start(SM2135_ADDR_MC); Sm2135Write(Sm2135.current); Sm2135Write(SM2135_RGB); if (Sm2135.model &1) { // SM2135_WCBGR Sm2135Write(cur_col[2]); // Blue Sm2135Write(cur_col[1]); // Green Sm2135Write(cur_col[0]); // Red } else { // SM2135_WCGRB Sm2135Write(cur_col[1]); // Green Sm2135Write(cur_col[0]); // Red Sm2135Write(cur_col[2]); // Blue } Sm2135Stop(); } if (light_type &1) { // Set CW Sm2135Start(SM2135_ADDR_MC); Sm2135Write(Sm2135.current); Sm2135Write(SM2135_CW); Sm2135Stop(); delay(1); Sm2135Start(SM2135_ADDR_C); Sm2135Write(cur_col[4]); // Warm Sm2135Write(cur_col[3]); // Cold Sm2135Stop(); } return true; } void Sm2135ModuleSelected(void) { if (PinUsed(GPIO_SM2135_CLK) && PinUsed(GPIO_SM2135_DAT, GPIO_ANY)) { Sm2135.clk = Pin(GPIO_SM2135_CLK); Sm2135.data = Pin(GPIO_SM2135_DAT, GPIO_ANY); Sm2135.model = GetPin(Sm2135.data) - AGPIO(GPIO_SM2135_DAT); // 0 .. 3 if (PinUsed(GPIO_SWT1)) { Sm2135.model = SM2135_WCBGR; pinMode(Pin(GPIO_SWT1), INPUT); // Discard GPIO_SWT functionality SetPin(Pin(GPIO_SWT1), AGPIO(GPIO_NONE)); } // RGB current CW current Sm2135.current = (SM2135_20MA << 4) | SM2135_15MA; // See https://github.com/arendst/Tasmota/issues/6495#issuecomment-549121683 if (Sm2135.model > SM2135_WCBGR) { Sm2135.current = (SM2135_20MA << 4) | SM2135_30MA; } Sm2135Init(); TasmotaGlobal.light_type = LT_RGBWC; TasmotaGlobal.light_driver = XLGT_04; AddLog_P(LOG_LEVEL_DEBUG, PSTR("LGT: SM2135 (%s-%s current) Found"), (SM2135_WCBGR == (Sm2135.model &1)) ? PSTR("BGR") : PSTR("GRB"), (Sm2135.model > SM2135_WCBGR) ? PSTR("High") : PSTR("Low")); } } /*********************************************************************************************\ * Interface \*********************************************************************************************/ bool Xlgt04(uint8_t function) { bool result = false; switch (function) { case FUNC_SET_CHANNELS: result = Sm2135SetChannels(); break; case FUNC_MODULE_INIT: Sm2135ModuleSelected(); break; } return result; } #endif // USE_SM2135 #endif // USE_LIGHT