mirror of https://github.com/arendst/Tasmota.git
189 lines
6.4 KiB
C++
189 lines
6.4 KiB
C++
/*
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xdrv_26_ariluxrf.ino - Arilux Rf support for Tasmota
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Copyright (C) 2021 Theo Arends
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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_ARILUX_RF
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/*********************************************************************************************\
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* Arilux LC11 Rf support stripped from RCSwitch library
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\*********************************************************************************************/
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#define XDRV_26 26
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const uint32_t ARILUX_RF_TIME_AVOID_DUPLICATE = 1000; // Milliseconds
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const uint8_t ARILUX_RF_MAX_CHANGES = 51; // Pulses (sync + 2 x 24 bits)
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const uint32_t ARILUX_RF_SEPARATION_LIMIT = 4300; // Microseconds
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const uint32_t ARILUX_RF_RECEIVE_TOLERANCE = 60; // Percentage
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struct ARILUX {
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int rf_timings[ARILUX_RF_MAX_CHANGES];
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unsigned long rf_received_value = 0;
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unsigned long rf_last_received_value = 0;
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unsigned long rf_last_time = 0;
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unsigned long rf_lasttime = 0;
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unsigned int rf_change_count = 0;
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unsigned int rf_repeat_count = 0;
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uint8_t rf_toggle = 0;
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} Arilux;
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#ifndef USE_WS2812_DMA // Collides with Neopixelbus but solves RF misses
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void AriluxRfInterrupt(void) IRAM_ATTR; // As iram is tight and it works this way too
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#endif // USE_WS2812_DMA
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void AriluxRfInterrupt(void)
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{
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unsigned long time = micros();
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int duration = time - Arilux.rf_lasttime;
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if (duration > ARILUX_RF_SEPARATION_LIMIT) {
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if (abs(duration - Arilux.rf_timings[0]) < 200) {
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Arilux.rf_repeat_count++;
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if (Arilux.rf_repeat_count == 2) {
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unsigned long code = 0;
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const int delay = Arilux.rf_timings[0] / 31;
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const int delayTolerance = delay * ARILUX_RF_RECEIVE_TOLERANCE / 100;
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for (unsigned int i = 1; i < Arilux.rf_change_count -1; i += 2) {
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code <<= 1;
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if (abs(Arilux.rf_timings[i] - (delay *3)) < delayTolerance && abs(Arilux.rf_timings[i +1] - delay) < delayTolerance) {
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code |= 1;
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}
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}
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if (Arilux.rf_change_count > 49) { // Need 1 sync bit and 24 data bits
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Arilux.rf_received_value = code;
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}
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Arilux.rf_repeat_count = 0;
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}
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}
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Arilux.rf_change_count = 0;
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}
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if (Arilux.rf_change_count >= ARILUX_RF_MAX_CHANGES) {
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Arilux.rf_change_count = 0;
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Arilux.rf_repeat_count = 0;
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}
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Arilux.rf_timings[Arilux.rf_change_count++] = duration;
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Arilux.rf_lasttime = time;
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}
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void AriluxRfHandler(void)
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{
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unsigned long now = millis();
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if (Arilux.rf_received_value && !((Arilux.rf_received_value == Arilux.rf_last_received_value) && (now - Arilux.rf_last_time < ARILUX_RF_TIME_AVOID_DUPLICATE))) {
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Arilux.rf_last_received_value = Arilux.rf_received_value;
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Arilux.rf_last_time = now;
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uint16_t hostcode = Arilux.rf_received_value >> 8 & 0xFFFF;
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if (Settings->rf_code[1][6] == Settings->rf_code[1][7]) {
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Settings->rf_code[1][6] = hostcode >> 8 & 0xFF;
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Settings->rf_code[1][7] = hostcode & 0xFF;
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}
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uint16_t stored_hostcode = Settings->rf_code[1][6] << 8 | Settings->rf_code[1][7];
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// DEBUG_DRIVER_LOG(PSTR(D_LOG_RFR D_HOST D_CODE " 0x%04X, " D_RECEIVED " 0x%06X"), stored_hostcode, Arilux.rf_received_value);
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AddLog(LOG_LEVEL_DEBUG, PSTR(D_LOG_RFR D_HOST D_CODE " 0x%04X, " D_RECEIVED " 0x%06X"), stored_hostcode, Arilux.rf_received_value);
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if (hostcode == stored_hostcode) {
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char command[33];
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char value = '-';
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command[0] = '\0';
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uint8_t keycode = Arilux.rf_received_value & 0xFF;
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switch (keycode) {
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case 1: // Power On
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case 3: // Power Off
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snprintf_P(command, sizeof(command), PSTR(D_CMND_POWER " %d"), (1 == keycode) ? 1 : 0);
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break;
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case 2: // Toggle
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Arilux.rf_toggle++;
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Arilux.rf_toggle &= 0x3;
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snprintf_P(command, sizeof(command), PSTR(D_CMND_COLOR " %d"), 200 + Arilux.rf_toggle);
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break;
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case 4: // Speed +
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value = '+';
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case 7: // Speed -
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snprintf_P(command, sizeof(command), PSTR(D_CMND_SPEED " %c"), value);
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break;
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case 5: // Scheme +
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value = '+';
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case 8: // Scheme -
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snprintf_P(command, sizeof(command), PSTR(D_CMND_SCHEME " %c"), value);
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break;
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case 6: // Dimmer +
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value = '+';
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case 9: // Dimmer -
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snprintf_P(command, sizeof(command), PSTR(D_CMND_DIMMER " %c"), value);
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break;
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default: {
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if ((keycode >= 10) && (keycode <= 21)) {
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snprintf_P(command, sizeof(command), PSTR(D_CMND_COLOR " %d"), keycode -9);
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}
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}
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}
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if (strlen(command)) {
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ExecuteCommand(command, SRC_LIGHT);
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}
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}
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}
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Arilux.rf_received_value = 0;
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}
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void AriluxRfInit(void)
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{
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if (PinUsed(GPIO_ARIRFRCV) && PinUsed(GPIO_ARIRFSEL)) {
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if (TasmotaGlobal.module_changed) {
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Settings->rf_code[1][6] = 0;
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Settings->rf_code[1][7] = 0;
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}
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Arilux.rf_received_value = 0;
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digitalWrite(Pin(GPIO_ARIRFSEL), 0); // Turn on RF
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attachInterrupt(Pin(GPIO_ARIRFRCV), AriluxRfInterrupt, CHANGE);
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}
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}
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void AriluxRfDisable(void)
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{
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if (PinUsed(GPIO_ARIRFRCV) && PinUsed(GPIO_ARIRFSEL)) {
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detachInterrupt(Pin(GPIO_ARIRFRCV));
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digitalWrite(Pin(GPIO_ARIRFSEL), 1); // Turn off RF
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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 Xdrv26(uint32_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_EVERY_50_MSECOND:
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if (PinUsed(GPIO_ARIRFRCV)) { AriluxRfHandler(); }
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break;
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case FUNC_EVERY_SECOND:
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if (10 == TasmotaGlobal.uptime) { AriluxRfInit(); } // Needs rest before enabling RF interrupts
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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_ARILUX_RF
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#endif // USE_LIGHT
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