mirror of https://github.com/arendst/Tasmota.git
238 lines
7.5 KiB
C++
238 lines
7.5 KiB
C++
/*
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xlgt_04_sm2135.ino - sm2135 five channel led support for Tasmota
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Copyright (C) 2021 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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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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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 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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* {"NAME":"LSC RGBCW LED","GPIO":[0,0,0,0,0,0,0,0,4064,0,4032,0,0,0],"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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* Polux E14 (BlueGreenRed)
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* {"NAME":"Polux RGBCW E14","GPIO":[0,0,0,0,0,0,0,0,4065,0,4032,0,0,0],"FLAG":0,"BASE":18}
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* LE LampUX 907001-US
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* {"NAME":"LE LampUX 907001-US","GPIO":[0,0,0,0,0,0,0,0,4066,0,4032,0,0,0],"FLAG":0,"BASE":18}
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\*********************************************************************************************/
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#define XLGT_04 4
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#define SM2135_ADDR_MC 0xC0 // Max current register
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#define SM2135_ADDR_CH 0xC1 // RGB or CW channel select register
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#define SM2135_ADDR_R 0xC2 // Red color
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#define SM2135_ADDR_G 0xC3 // Green color
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#define SM2135_ADDR_B 0xC4 // Blue color
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#define SM2135_ADDR_C 0xC5 // Cold
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#define SM2135_ADDR_W 0xC6 // Warm
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#define SM2135_RGB 0x00 // RGB channel
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#define SM2135_CW 0x80 // CW channel (Chip default)
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#define SM2135_10MA 0x00
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#define SM2135_15MA 0x01
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#define SM2135_20MA 0x02 // RGB max current (Chip default)
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#define SM2135_25MA 0x03
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#define SM2135_30MA 0x04 // CW max current (Chip default)
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#define SM2135_35MA 0x05
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#define SM2135_40MA 0x06
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#define SM2135_45MA 0x07 // Max value for RGB
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#define SM2135_50MA 0x08
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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, SM2135_WCGRBHI, SM2135_WCBGRHI, SM2135_WCGRB15W, SM2135_WCBGR15W };
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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 current;
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uint8_t model = SM2135_WCGRB;
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} Sm2135;
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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 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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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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uint8_t *cur_col = (uint8_t*)XdrvMailbox.data;
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uint8_t data[6];
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uint32_t light_type = 3; // RGB and CW
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if (Sm2135.model < 2) { // Only allow one of two options due to power supply
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if ((0 == cur_col[0]) && (0 == cur_col[1]) && (0 == cur_col[2])) {
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light_type = 1; // CW only
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} else {
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light_type = 2; // RGB only
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}
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}
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if (light_type &2) { // Set RGB
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Sm2135Start(SM2135_ADDR_MC);
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Sm2135Write(Sm2135.current);
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Sm2135Write(SM2135_RGB);
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if (Sm2135.model &1) { // SM2135_WCBGR
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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 { // SM2135_WCGRB
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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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Sm2135Stop();
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}
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if (light_type &1) { // Set CW
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Sm2135Start(SM2135_ADDR_MC);
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Sm2135Write(Sm2135.current);
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Sm2135Write(SM2135_CW);
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Sm2135Stop();
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delay(1);
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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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Sm2135Stop();
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}
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return true;
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}
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void Sm2135ModuleSelected(void)
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{
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if (PinUsed(GPIO_SM2135_CLK) && PinUsed(GPIO_SM2135_DAT, GPIO_ANY)) {
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Sm2135.clk = Pin(GPIO_SM2135_CLK);
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Sm2135.data = Pin(GPIO_SM2135_DAT, GPIO_ANY);
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// See #define MAX_SM2135_DAT 6 in tasmota_template.h
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Sm2135.model = GetPin(Sm2135.data) - AGPIO(GPIO_SM2135_DAT); // 0 .. 5
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// Legacy support of model selection
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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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// SM2135 Dat 1/2
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// RGB current CW current
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Sm2135.current = (SM2135_20MA << 4) | SM2135_15MA; // See https://github.com/arendst/Tasmota/issues/6495#issuecomment-549121683
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switch (Sm2135.model) {
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case SM2135_WCGRBHI: // SM2135 Dat 3
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case SM2135_WCBGRHI: // SM2135 Dat 4
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Sm2135.current = (SM2135_20MA << 4) | SM2135_30MA;
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break;
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case SM2135_WCGRB15W: // SM2135 Dat 5
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case SM2135_WCBGR15W: // SM2135 Dat 6
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Sm2135.current = (SM2135_45MA << 4) | SM2135_60MA;
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break;
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}
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Sm2135Init();
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TasmotaGlobal.light_type = LT_RGBWC;
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TasmotaGlobal.light_driver = XLGT_04;
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AddLog_P(LOG_LEVEL_DEBUG, PSTR("LGT: SM2135 %s Found"), (SM2135_WCBGR == (Sm2135.model &1)) ? PSTR("BGR") : PSTR("GRB"));
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}
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}
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/*********************************************************************************************\
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* Interface
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\*********************************************************************************************/
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bool Xlgt04(uint8_t function)
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{
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bool result = false;
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switch (function) {
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case FUNC_SET_CHANNELS:
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result = Sm2135SetChannels();
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break;
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case FUNC_MODULE_INIT:
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Sm2135ModuleSelected();
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break;
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}
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return result;
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}
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#endif // USE_SM2135
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#endif // USE_LIGHT
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