mirror of https://github.com/arendst/Tasmota.git
Theo Arends
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94f5321db4
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1ef284cdf2
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/*
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xdrv_39_sonoff_d1.ino - sonoff D1 dimmer support for Tasmota
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Copyright (C) 2020 Theo Arends and robbz23 (protocol analysis)
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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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//#define USE_SONOFF_D1
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#ifdef USE_SONOFF_D1
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/*********************************************************************************************\
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* Sonoff D1 dimmer 433
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*
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* 0 1 2 3 4 5 6 7 8 9 A B C D E F 10
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* AA 55 - Header
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* 01 04 - Version?
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* 00 0A - Following data length (10 bytes)
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* 01 - Power state (00 = off, 01 = on, FF = ignore)
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* 64 - Dimmer percentage (01 to 64 = 1 to 100%)
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* FF FF FF FF FF FF FF FF - Not used
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* 6C - CRC over bytes 2 to F (Addition)
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*
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* Based on Gravitate1:
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* When I switch the light ON via the app, I get:
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* AA 55 01 04 00 0A 01 64 FF FF FF FF FF FF FF FF 6C
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*
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* When I switch it OFF, I get:
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* AA 55 01 04 00 0A 00 64 FF FF FF FF FF FF FF FF 6B
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*
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* When I set it to 1%, I get:
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* AA 55 01 04 00 0A FF 01 FF FF FF FF FF FF FF FF 07
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* AB 55 FD F7 FF FF F5 01 FF FF FF FF FF FF FF FF 09
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*
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* When I set it to 6%, I get:
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* AA 55 01 04 00 0A FF 06 FF FF FF FF FF FF FF FF 0C
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* AB 55 FD F7 FF FF F5 06 FF FF FF FF FF FF FF FF 0E
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*
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* When I set it to 100%, I get:
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* AA 55 01 04 00 0A FF 64 FF FF FF FF FF FF FF FF 6A
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* AB 55 FD F7 FF FF F5 64 FF FF FF FF FF FF FF FF 6C
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*
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* Based on robbz23:
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* 00:17:59 CMD: Baudrate 9600
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* 00:17:59 SER: Set to 8N1 9600 bit/s
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* 00:17:59 RSL: stat/tasmota_D9E56D/RESULT = {"Baudrate":9600}
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*
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* 00:25:32 CMD: SerialSend5 aa 55 01 04 00 0a 01 22 ffffffffffffffff 29
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* 00:25:32 RSL: stat/tasmota_D9E56D/RESULT = {"SerialSend":"Done"}
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*
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* 00:26:35 CMD: SerialSend5 aa 55 01 04 00 0a 01 22 ffffffffffffffff 2a
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* 00:26:35 RSL: stat/tasmota_D9E56D/RESULT = {"SerialSend":"Done"}
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* 00:26:35 RSL: tele/tasmota_D9E56D/RESULT = {"SerialReceived":AA 55 01 04 00 00 05}
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*
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* 00:28:58 CMD: SerialSend5 aa 55 01 04 00 0a 01 01 ffffffffffffffff 09
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* 00:28:58 RSL: stat/tasmota_D9E56D/RESULT = {"SerialSend":"Done"}
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* 00:28:58 RSL: tele/tasmota_D9E56D/RESULT = {"SerialReceived":AA 55 01 04 00 00 05}
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*
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* 00:29:12 RSL: tele/tasmota_D9E56D/RESULT = {"SerialReceived":AA 55 01 04 00 0A 01 3C FF FF FF FF FF FF FF FF 44}
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* 00:29:43 RSL: tele/tasmota_D9E56D/RESULT = {"SerialReceived":AA 55 01 04 00 0A 01 01 FF FF FF FF FF FF FF FF 09}
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* 00:29:53 RSL: tele/tasmota_D9E56D/RESULT = {"SerialReceived":AA 55 01 04 00 0A 01 64 FF FF FF FF FF FF FF FF 6C}
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*
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* 00:30:02 RSL: tele/tasmota_D9E56D/RESULT = {"SerialReceived":AA 55 01 04 00 0A FF 1E FF FF FF FF FF FF FF FF 24}
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\*********************************************************************************************/
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#define XDRV_39 39
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struct SONOFFD1 {
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uint8_t receive_flag = 0;
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uint8_t dimmer;
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} SnfD1;
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/********************************************************************************************/
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void SonoffD1Received(void)
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{
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char svalue[32];
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uint8_t action = serial_in_buffer[6];
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uint8_t dimmer = serial_in_buffer[7];
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if (action < 2) {
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// AA 55 01 04 00 0A 01 64 FF FF FF FF FF FF FF FF 6C - Power On, Dimmer 100%
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// AA 55 01 04 00 0A 00 64 FF FF FF FF FF FF FF FF 6B - Power Off, Dimmer 100%
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bool is_switch_change = (action != power);
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if (is_switch_change) {
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ExecuteCommandPower(1, action, SRC_SWITCH);
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}
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}
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else if (0xFF == action) {
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SnfD1.dimmer = dimmer;
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bool is_brightness_change = SnfD1.dimmer != Settings.light_dimmer;
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if (power && (SnfD1.dimmer > 0) && is_brightness_change) {
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char scmnd[20];
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snprintf_P(scmnd, sizeof(scmnd), PSTR(D_CMND_DIMMER " %d"), SnfD1.dimmer);
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ExecuteCommand(scmnd, SRC_SWITCH);
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}
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}
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// Send Acknowledge - Copy first 5 bytes, reset byte 6 and store crc in byte 7
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// AA 55 01 04 00 00 05
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serial_in_buffer[5] = 0; // Ack
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serial_in_buffer[6] = 0; // Crc
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for (uint32_t i = 0; i < 7; i++) {
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if ((i > 1) && (i < 6)) { serial_in_buffer[6] += serial_in_buffer[i]; }
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Serial.write(serial_in_buffer[i]);
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}
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}
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bool SonoffD1SerialInput(void)
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{
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uint8_t packet_length = 0;
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if (0xAA == serial_in_byte) { // 0xAA - Start of text
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serial_in_byte_counter = 0;
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SnfD1.receive_flag = true;
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}
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if (SnfD1.receive_flag) {
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serial_in_buffer[serial_in_byte_counter++] = serial_in_byte;
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if (serial_in_byte_counter == 5) {
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packet_length = 7 + serial_in_byte; // 8 or 17
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}
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if (serial_in_byte_counter == packet_length) {
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// Sonoff D1 codes
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// AA 55 01 04 00 0A 01 64 FF FF FF FF FF FF FF FF 6C - Power On, Dimmer 100%
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// AA 55 01 04 00 0A 00 64 FF FF FF FF FF FF FF FF 6B - Power Off, Dimmer 100%
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// AA 55 01 04 00 0A FF 01 FF FF FF FF FF FF FF FF 07 - Power ignore, Dimmer 1%
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// AB 55 FD F7 FF FF F5 01 FF FF FF FF FF FF FF FF 09 - Response 2
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// AA 55 01 04 00 0A FF 06 FF FF FF FF FF FF FF FF 0C - Power ignore, Dimmer 6%
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// AB 55 FD F7 FF FF F5 06 FF FF FF FF FF FF FF FF 0E - Response 2
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// AA 55 01 04 00 0A FF 64 FF FF FF FF FF FF FF FF 6A - Power ignore, Dimmer 100%
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// AB 55 FD F7 FF FF F5 64 FF FF FF FF FF FF FF FF 6C - Response 2
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AddLogSerial(LOG_LEVEL_DEBUG);
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uint8_t crc = 0;
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for (uint32_t i = 2; i < packet_length -1; i++) {
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crc += serial_in_buffer[i];
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}
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if (crc == serial_in_buffer[packet_length -1]) {
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SonoffD1Received();
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SnfD1.receive_flag = false;
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return true;
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}
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}
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serial_in_byte = 0;
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}
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return false;
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}
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/********************************************************************************************/
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bool SonoffD1SendPower(void)
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{
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uint8_t buffer[17] = { 0xAA,0x55,0x01,0x04,0x00,0x0A,0x00,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x00 };
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buffer[6] = XdrvMailbox.payload;
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for (uint32_t i = 0; i < sizeof(buffer); i++) {
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if ((i > 1) && (i < sizeof(buffer) -1)) { serial_in_buffer[16] += serial_in_buffer[i]; }
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Serial.write(serial_in_buffer[i]);
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}
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return true;
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}
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bool SonoffD1SendDimmer(void)
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{
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uint8_t buffer[17] = { 0xAA,0x55,0x01,0x04,0x00,0x0A,0xFF,0x00,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x00 };
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buffer[7] = light_state.getDimmer();
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for (uint32_t i = 0; i < sizeof(buffer); i++) {
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if ((i > 1) && (i < sizeof(buffer) -1)) { serial_in_buffer[16] += serial_in_buffer[i]; }
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Serial.write(serial_in_buffer[i]);
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}
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return true;
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}
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/*********************************************************************************************\
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* Interface
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\*********************************************************************************************/
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bool Xdrv39(uint8_t function)
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{
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bool result = false;
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if (SONOFF_D1 == my_module_type) {
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switch (function) {
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case FUNC_SERIAL:
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result = SonoffD1SerialInput();
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break;
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case FUNC_SET_DEVICE_POWER:
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result = SonoffD1SendPower();
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break;
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case FUNC_SET_CHANNELS:
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result = SonoffD1SendDimmer();
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break;
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case FUNC_MODULE_INIT:
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SetSerial(9600, TS_SERIAL_8N1);
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break;
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}
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}
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return result;
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}
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#endif // USE_SONOFF_D1
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