mirror of https://github.com/arendst/Tasmota.git
207 lines
7.5 KiB
C++
207 lines
7.5 KiB
C++
/*
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xlgt_08_bp5758d.ino - bp5758d five channel led support for Tasmota
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Copyright (C) 2022 Theo Arends and oomg
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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_BP5758D
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/*********************************************************************************************\
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* BP5758D RGBCW Led bulbs commonly used by Tuya hardware
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*
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* Example configuration for a Fitop RGBCCT filament light bulb:
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* {"NAME":"Fitop Filament RGBCCT","GPIO":[1,1,0,1,1,0,0,0,8416,0,8384,0,0,0],"FLAG":0,"BASE":18,"CMND":"RGBWWTable 255,109,245,255,255"}
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\*********************************************************************************************/
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#define XLGT_08 8
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// Layout: Bits B[7:8]=10 (address selection identification bits), B[5:6] sleep mode if set to 00, B[0:4] Address selection
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#define BP5758D_ADDR_SLEEP 0x80 //10 00 xxxx: Set to sleep mode
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#define BP5758D_ADDR_SETUP 0x90 //10 01 0000: OUT1-5 enable/disable setup - used during init
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#define BP5758D_ADDR_OUT1_CR 0x91 //10 01 0001: OUT1 current range
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#define BP5758D_ADDR_OUT2_CR 0x92 //10 01 0010: OUT2 current range
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#define BP5758D_ADDR_OUT3_CR 0x93 //10 01 0011: OUT3 current range
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#define BP5758D_ADDR_OUT4_CR 0x94 //10 01 0100: OUT4 current range
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#define BP5758D_ADDR_OUT5_CR 0x95 //10 01 0101: OUT5 current range
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#define BP5758D_ADDR_OUT1_GL 0x96 //10 01 0110: OUT1 gray-scale level
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#define BP5758D_ADDR_OUT2_GL 0x98 //10 01 1000: OUT2 gray-scale level
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#define BP5758D_ADDR_OUT3_GL 0x9A //10 01 1010: OUT3 gray-scale level
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#define BP5758D_ADDR_OUT4_GL 0x9C //10 01 1100: OUT4 gray-scale level
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#define BP5758D_ADDR_OUT5_GL 0x9E //10 01 1110: OUT5 gray-scale level
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// Output enabled (OUT1-5, represented by lower 5 bits)
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#define BP5758D_ENABLE_OUTPUTS_ALL 0x1F
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#define BP5758D_DISABLE_OUTPUTS_ALL 0x00
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// Current values: Bit 6 to 0 represent 30mA, 32mA, 16mA, 8mA, 4mA, 2mA, 1mA respectively
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#define BP5758D_10MA 0x0A // 0 0001010
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#define BP5758D_14MA 0x0E // 0 0001110
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#define BP5758D_15MA 0x0F // 0 0001111
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#define BP5758D_65MA 0x63 // 0 1100011
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#define BP5758D_90MA 0x7C // 0 1111100
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struct BP5758D {
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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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} Bp5758d;
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/*********************************************************************************************\
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* Bp5758d code - inspired by SM2135 and github.com/dbuezas/esphome-bp5758
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\*********************************************************************************************/
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const uint8_t BP5758D_DELAY = 2;
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void Bp5758dInit(void) {
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pinMode(Bp5758d.data, OUTPUT);
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pinMode(Bp5758d.clk, OUTPUT);
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Bp5758dStop();
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}
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void Bp5758dWrite(uint8_t value) {
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for (int bit_idx = 7; bit_idx >= 0; bit_idx--) {
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bool bit = bitRead(value, bit_idx);
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digitalWrite(Bp5758d.data, bit);
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delayMicroseconds(BP5758D_DELAY);
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digitalWrite(Bp5758d.clk, HIGH);
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delayMicroseconds(BP5758D_DELAY);
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digitalWrite(Bp5758d.clk, LOW);
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delayMicroseconds(BP5758D_DELAY);
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}
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// Wait for ACK
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pinMode(Bp5758d.data, INPUT);
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digitalWrite(Bp5758d.clk, HIGH);
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delayMicroseconds(BP5758D_DELAY);
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digitalWrite(Bp5758d.clk, LOW);
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delayMicroseconds(BP5758D_DELAY);
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pinMode(Bp5758d.data, OUTPUT);
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}
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void Bp5758dStart(uint8_t addr) {
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digitalWrite(Bp5758d.data, LOW);
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delayMicroseconds(BP5758D_DELAY);
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digitalWrite(Bp5758d.clk, LOW);
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delayMicroseconds(BP5758D_DELAY);
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Bp5758dWrite(addr);
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}
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void Bp5758dStop(void) {
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digitalWrite(Bp5758d.clk, HIGH);
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delayMicroseconds(BP5758D_DELAY);
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digitalWrite(Bp5758d.data, HIGH);
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delayMicroseconds(BP5758D_DELAY);
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}
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/********************************************************************************************/
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bool Bp5758dSetChannels(void) {
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static bool bIsSleeping = false; //Save sleep state of Lamp
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uint16_t *cur_col_10 = (uint16_t*)XdrvMailbox.command;
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// If we receive 0 for all channels, we'll assume that the lightbulb is off, and activate BP5758d's sleep mode.
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if (cur_col_10[0]==0 && cur_col_10[1]==0 && cur_col_10[2]==0 && cur_col_10[3]==0 && cur_col_10[4]==0) {
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Bp5758dStart(BP5758D_ADDR_SETUP);
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Bp5758dWrite(BP5758D_DISABLE_OUTPUTS_ALL);
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Bp5758dStop();
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Bp5758dStart(BP5758D_ADDR_SLEEP);
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Bp5758dStop();
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bIsSleeping = true;
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return true;
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}
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if (bIsSleeping) {
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bIsSleeping = false; //No need to run it every time a val gets changed
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Bp5758dStart(BP5758D_ADDR_SETUP); //Sleep mode gets disabled too since bits 5:6 get set to 01
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Bp5758dWrite(BP5758D_ENABLE_OUTPUTS_ALL); //Set all outputs to ON
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Bp5758dStop();
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}
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// Even though we could address changing channels only, in practice we observed that the lightbulb always sets all channels.
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Bp5758dStart(BP5758D_ADDR_OUT1_GL);
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// Brigtness values are transmitted as two bytes. The light-bulb accepts a 10-bit integer (0-1023) as an input value.
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// The first 5bits of this input are transmitted in second byte, the second 5bits in the first byte.
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Bp5758dWrite((uint8_t)(cur_col_10[0] & 0x1F)); //Red
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Bp5758dWrite((uint8_t)(cur_col_10[0] >> 5));
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Bp5758dWrite((uint8_t)(cur_col_10[1] & 0x1F)); //Green
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Bp5758dWrite((uint8_t)(cur_col_10[1] >> 5));
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Bp5758dWrite((uint8_t)(cur_col_10[2] & 0x1F)); //Blue
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Bp5758dWrite((uint8_t)(cur_col_10[2] >> 5));
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Bp5758dWrite((uint8_t)(cur_col_10[4] & 0x1F)); //Cold
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Bp5758dWrite((uint8_t)(cur_col_10[4] >> 5));
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Bp5758dWrite((uint8_t)(cur_col_10[3] & 0x1F)); //Warm
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Bp5758dWrite((uint8_t)(cur_col_10[3] >> 5));
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Bp5758dStop();
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return true;
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}
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void Bp5758dModuleSelected(void)
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{
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if (PinUsed(GPIO_BP5758D_CLK) && PinUsed(GPIO_BP5758D_DAT)) {
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Bp5758d.clk = Pin(GPIO_BP5758D_CLK);
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Bp5758d.data = Pin(GPIO_BP5758D_DAT);
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// For it's init sequence, BP5758D just sets all fields
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Bp5758dInit();
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Bp5758dStart(BP5758D_ADDR_SETUP);
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// Output enabled: enable all outputs since we're using a RGBCW light
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Bp5758dWrite(BP5758D_ENABLE_OUTPUTS_ALL);
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// Set currents for OUT1-OUT5
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Bp5758dWrite(BP5758D_14MA);
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Bp5758dWrite(BP5758D_14MA);
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Bp5758dWrite(BP5758D_14MA);
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Bp5758dWrite(BP5758D_14MA);
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Bp5758dWrite(BP5758D_14MA);
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// Set grayscale levels ouf all outputs to 0
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Bp5758dWrite(0x00);
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Bp5758dWrite(0x00);
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Bp5758dWrite(0x00);
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Bp5758dWrite(0x00);
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Bp5758dWrite(0x00);
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Bp5758dWrite(0x00);
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Bp5758dWrite(0x00);
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Bp5758dWrite(0x00);
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Bp5758dWrite(0x00);
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Bp5758dWrite(0x00);
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Bp5758dStop();
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TasmotaGlobal.light_type = LT_RGBWC;
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TasmotaGlobal.light_driver = XLGT_08;
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AddLog(LOG_LEVEL_DEBUG, PSTR("LGT: BP5758D Found"));
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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 Xlgt08(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 = Bp5758dSetChannels();
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break;
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case FUNC_MODULE_INIT:
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Bp5758dModuleSelected();
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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_BP5758D
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#endif // USE_LIGHT
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