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Add SM2135 support for BGR

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Add SM2135 support for BGR and GRB color bulbs thanks to CrudelisPL (#9073)
This commit is contained in:
Theo Arends 2020-08-14 15:10:02 +02:00
parent 9048da1617
commit 8760b8f03b
1 changed files with 94 additions and 61 deletions
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155
tasmota/xlgt_04_sm2135.ino
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@ -1,7 +1,7 @@
/* /*
xlgt_04_sm2135.ino - sm2135 five channel led support for Tasmota xlgt_04_sm2135.ino - sm2135 five channel led support for Tasmota
Copyright (C) 2020 Theo Arends Copyright (C) 2020 Theo Arends and CrudelisPL
This program is free software: you can redistribute it and/or modify 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 it under the terms of the GNU General Public License as published by
@ -20,9 +20,12 @@
#ifdef USE_LIGHT #ifdef USE_LIGHT
#ifdef USE_SM2135 #ifdef USE_SM2135
/*********************************************************************************************\ /*********************************************************************************************\
* SM2135 RGBCW Led bulbs like some Action LSC SmartLed * 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":[0,0,0,0,0,0,0,0,181,0,180,0,0],"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}
\*********************************************************************************************/ \*********************************************************************************************/
#define XLGT_04 4 #define XLGT_04 4
@ -50,84 +53,110 @@
#define SM2135_55MA 0x09 #define SM2135_55MA 0x09
#define SM2135_60MA 0x0A #define SM2135_60MA 0x0A
enum Sm2135Color { SM2135_WCGRB, SM2135_WCBGR };
// RGB current CW current // RGB current CW current
const uint8_t SM2135_CURRENT = (SM2135_20MA << 4) | SM2135_15MA; // See https://github.com/arendst/Tasmota/issues/6495#issuecomment-549121683 const uint8_t SM2135_CURRENT = (SM2135_20MA << 4) | SM2135_15MA; // See https://github.com/arendst/Tasmota/issues/6495#issuecomment-549121683
struct SM2135 { struct SM2135 {
uint8_t clk = 0; uint8_t clk = 0;
uint8_t data = 0; uint8_t data = 0;
uint8_t model = SM2135_WCGRB;
} Sm2135; } Sm2135;
uint8_t Sm2135Write(uint8_t data) /*********************************************************************************************\
{ * SM2135 code
for (uint32_t i = 0; i < 8; i++) { \*********************************************************************************************/
digitalWrite(Sm2135.clk, LOW);
digitalWrite(Sm2135.data, (data & 0x80)); const uint8_t SM2135_DELAY = 4;
digitalWrite(Sm2135.clk, HIGH);
data = data << 1; void Sm2135SetLow(uint8_t pin) {
} noInterrupts();
digitalWrite(Sm2135.clk, LOW); digitalWrite(pin, LOW);
digitalWrite(Sm2135.data, HIGH); pinMode(pin, OUTPUT);
pinMode(Sm2135.data, INPUT); interrupts();
digitalWrite(Sm2135.clk, HIGH);
uint8_t ack = digitalRead(Sm2135.data);
pinMode(Sm2135.data, OUTPUT);
return ack;
} }
void Sm2135Send(uint8_t *buffer, uint8_t size) void Sm2135SetHigh(uint8_t pin) {
{ noInterrupts();
pinMode(pin, INPUT_PULLUP);
interrupts();
}
bool Sm2135Init(void) {
digitalWrite(Sm2135.data, LOW); digitalWrite(Sm2135.data, LOW);
for (uint32_t i = 0; i < size; i++) {
Sm2135Write(buffer[i]);
}
digitalWrite(Sm2135.clk, LOW); digitalWrite(Sm2135.clk, LOW);
digitalWrite(Sm2135.clk, HIGH); Sm2135SetHigh(Sm2135.data);
digitalWrite(Sm2135.data, HIGH); 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) bool Sm2135SetChannels(void) {
{
uint8_t *cur_col = (uint8_t*)XdrvMailbox.data; uint8_t *cur_col = (uint8_t*)XdrvMailbox.data;
uint8_t data[6]; uint8_t data[6];
Sm2135Start(SM2135_ADDR_MC);
Sm2135Write(SM2135_CURRENT);
if ((0 == cur_col[0]) && (0 == cur_col[1]) && (0 == cur_col[2])) { if ((0 == cur_col[0]) && (0 == cur_col[1]) && (0 == cur_col[2])) {
// No color so must be Cold/Warm Sm2135Write(SM2135_CW);
/* Sm2135Stop();
if ((cur_col[3] + cur_col[4]) >= (1 * 256)) {
// Scale down to 255 total to fix max power usage of 9W (=40mA)
// cur_col[3] >>= 1; // Divide by 2
// cur_col[4] >>= 1; // Divide by 2
}
*/
data[0] = SM2135_ADDR_MC;
data[1] = SM2135_CURRENT;
data[2] = SM2135_CW;
Sm2135Send(data, 3);
delay(1); delay(1);
data[0] = SM2135_ADDR_C; Sm2135Start(SM2135_ADDR_C);
data[1] = cur_col[4]; // Warm Sm2135Write(cur_col[4]); // Warm
data[2] = cur_col[3]; // Cold Sm2135Write(cur_col[3]); // Cold
Sm2135Send(data, 3);
} else { } else {
// Color Sm2135Write(SM2135_RGB);
/* if (SM2135_WCBGR == Sm2135.model) {
if ((cur_col[0] + cur_col[1] + cur_col[2]) >= (3 * 256)) { Sm2135Write(cur_col[2]); // Blue
// Scale down to 765 total to fix max power usage of 9W Sm2135Write(cur_col[1]); // Green
// Currently not needed with setting 3 x 15mA = 45mA = 11W = 765 Sm2135Write(cur_col[0]); // Red
} else {
Sm2135Write(cur_col[1]); // Green
Sm2135Write(cur_col[0]); // Red
Sm2135Write(cur_col[2]); // Blue
} }
*/
data[0] = SM2135_ADDR_MC;
data[1] = SM2135_CURRENT;
data[2] = SM2135_RGB;
data[3] = cur_col[1]; // Green
data[4] = cur_col[0]; // Red
data[5] = cur_col[2]; // Blue
Sm2135Send(data, 6);
} }
Sm2135Stop();
return true; return true;
} }
@ -138,14 +167,18 @@ void Sm2135ModuleSelected(void)
Sm2135.clk = Pin(GPIO_SM2135_CLK); Sm2135.clk = Pin(GPIO_SM2135_CLK);
Sm2135.data = Pin(GPIO_SM2135_DAT); Sm2135.data = Pin(GPIO_SM2135_DAT);
pinMode(Sm2135.data, OUTPUT); Sm2135.model = SM2135_WCGRB;
digitalWrite(Sm2135.data, HIGH); if (PinUsed(GPIO_SWT1)) {
pinMode(Sm2135.clk, OUTPUT); Sm2135.model = SM2135_WCBGR;
digitalWrite(Sm2135.clk, HIGH); pinMode(Pin(GPIO_SWT1), INPUT); // Discard GPIO_SWT functionality
SetPin(Pin(GPIO_SWT1), AGPIO(GPIO_NONE));
}
Sm2135Init();
light_type = LT_RGBWC; light_type = LT_RGBWC;
light_flg = XLGT_04; light_flg = XLGT_04;
AddLog_P2(LOG_LEVEL_DEBUG, PSTR("DBG: SM2135 Found")); AddLog_P2(LOG_LEVEL_DEBUG, PSTR("DBG: SM2135 (%s) Found"), (SM2135_WCBGR == Sm2135.model) ? PSTR("BGR") : PSTR("GRB"));
} }
} }