Tasmota/tasmota/xdrv_26_ariluxrf.ino

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/*
xdrv_26_ariluxrf.ino - Arilux Rf support for Tasmota
2021-01-01 12:44:04 +00:00
Copyright (C) 2021 Theo Arends
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
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifdef USE_LIGHT
#ifdef USE_ARILUX_RF
/*********************************************************************************************\
* Arilux LC11 Rf support stripped from RCSwitch library
\*********************************************************************************************/
#define XDRV_26 26
const uint32_t ARILUX_RF_TIME_AVOID_DUPLICATE = 1000; // Milliseconds
const uint8_t ARILUX_RF_MAX_CHANGES = 51; // Pulses (sync + 2 x 24 bits)
const uint32_t ARILUX_RF_SEPARATION_LIMIT = 4300; // Microseconds
const uint32_t ARILUX_RF_RECEIVE_TOLERANCE = 60; // Percentage
struct ARILUX {
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int rf_timings[ARILUX_RF_MAX_CHANGES];
unsigned long rf_received_value = 0;
unsigned long rf_last_received_value = 0;
unsigned long rf_last_time = 0;
unsigned long rf_lasttime = 0;
unsigned int rf_change_count = 0;
unsigned int rf_repeat_count = 0;
uint8_t rf_toggle = 0;
} Arilux;
#ifndef USE_WS2812_DMA // Collides with Neopixelbus but solves RF misses
void AriluxRfInterrupt(void) ICACHE_RAM_ATTR; // As iram is tight and it works this way too
#endif // USE_WS2812_DMA
void AriluxRfInterrupt(void)
{
unsigned long time = micros();
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int duration = time - Arilux.rf_lasttime;
if (duration > ARILUX_RF_SEPARATION_LIMIT) {
if (abs(duration - Arilux.rf_timings[0]) < 200) {
Arilux.rf_repeat_count++;
if (Arilux.rf_repeat_count == 2) {
unsigned long code = 0;
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const int delay = Arilux.rf_timings[0] / 31;
const int delayTolerance = delay * ARILUX_RF_RECEIVE_TOLERANCE / 100;
for (unsigned int i = 1; i < Arilux.rf_change_count -1; i += 2) {
code <<= 1;
if (abs(Arilux.rf_timings[i] - (delay *3)) < delayTolerance && abs(Arilux.rf_timings[i +1] - delay) < delayTolerance) {
code |= 1;
}
}
if (Arilux.rf_change_count > 49) { // Need 1 sync bit and 24 data bits
Arilux.rf_received_value = code;
}
Arilux.rf_repeat_count = 0;
}
}
Arilux.rf_change_count = 0;
}
if (Arilux.rf_change_count >= ARILUX_RF_MAX_CHANGES) {
Arilux.rf_change_count = 0;
Arilux.rf_repeat_count = 0;
}
Arilux.rf_timings[Arilux.rf_change_count++] = duration;
Arilux.rf_lasttime = time;
}
void AriluxRfHandler(void)
{
unsigned long now = millis();
if (Arilux.rf_received_value && !((Arilux.rf_received_value == Arilux.rf_last_received_value) && (now - Arilux.rf_last_time < ARILUX_RF_TIME_AVOID_DUPLICATE))) {
Arilux.rf_last_received_value = Arilux.rf_received_value;
Arilux.rf_last_time = now;
uint16_t hostcode = Arilux.rf_received_value >> 8 & 0xFFFF;
if (Settings.rf_code[1][6] == Settings.rf_code[1][7]) {
Settings.rf_code[1][6] = hostcode >> 8 & 0xFF;
Settings.rf_code[1][7] = hostcode & 0xFF;
}
uint16_t stored_hostcode = Settings.rf_code[1][6] << 8 | Settings.rf_code[1][7];
// DEBUG_DRIVER_LOG(PSTR(D_LOG_RFR D_HOST D_CODE " 0x%04X, " D_RECEIVED " 0x%06X"), stored_hostcode, Arilux.rf_received_value);
AddLog_P(LOG_LEVEL_DEBUG, PSTR(D_LOG_RFR D_HOST D_CODE " 0x%04X, " D_RECEIVED " 0x%06X"), stored_hostcode, Arilux.rf_received_value);
if (hostcode == stored_hostcode) {
char command[33];
char value = '-';
command[0] = '\0';
uint8_t keycode = Arilux.rf_received_value & 0xFF;
switch (keycode) {
case 1: // Power On
case 3: // Power Off
snprintf_P(command, sizeof(command), PSTR(D_CMND_POWER " %d"), (1 == keycode) ? 1 : 0);
break;
case 2: // Toggle
Arilux.rf_toggle++;
Arilux.rf_toggle &= 0x3;
snprintf_P(command, sizeof(command), PSTR(D_CMND_COLOR " %d"), 200 + Arilux.rf_toggle);
break;
case 4: // Speed +
value = '+';
case 7: // Speed -
snprintf_P(command, sizeof(command), PSTR(D_CMND_SPEED " %c"), value);
break;
case 5: // Scheme +
value = '+';
case 8: // Scheme -
snprintf_P(command, sizeof(command), PSTR(D_CMND_SCHEME " %c"), value);
break;
case 6: // Dimmer +
value = '+';
case 9: // Dimmer -
snprintf_P(command, sizeof(command), PSTR(D_CMND_DIMMER " %c"), value);
break;
default: {
if ((keycode >= 10) && (keycode <= 21)) {
snprintf_P(command, sizeof(command), PSTR(D_CMND_COLOR " %d"), keycode -9);
}
}
}
if (strlen(command)) {
ExecuteCommand(command, SRC_LIGHT);
}
}
}
Arilux.rf_received_value = 0;
}
void AriluxRfInit(void)
{
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if (PinUsed(GPIO_ARIRFRCV) && PinUsed(GPIO_ARIRFSEL)) {
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if (TasmotaGlobal.module_changed) {
Settings.rf_code[1][6] = 0;
Settings.rf_code[1][7] = 0;
}
Arilux.rf_received_value = 0;
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digitalWrite(Pin(GPIO_ARIRFSEL), 0); // Turn on RF
attachInterrupt(Pin(GPIO_ARIRFRCV), AriluxRfInterrupt, CHANGE);
}
}
void AriluxRfDisable(void)
{
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if (PinUsed(GPIO_ARIRFRCV) && PinUsed(GPIO_ARIRFSEL)) {
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detachInterrupt(Pin(GPIO_ARIRFRCV));
digitalWrite(Pin(GPIO_ARIRFSEL), 1); // Turn off RF
}
}
/*********************************************************************************************\
* Interface
\*********************************************************************************************/
bool Xdrv26(uint8_t function)
{
bool result = false;
switch (function) {
case FUNC_EVERY_50_MSECOND:
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if (PinUsed(GPIO_ARIRFRCV)) { AriluxRfHandler(); }
break;
case FUNC_EVERY_SECOND:
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if (10 == TasmotaGlobal.uptime) { AriluxRfInit(); } // Needs rest before enabling RF interrupts
break;
}
return result;
}
#endif // USE_ARILUX_RF
#endif // USE_LIGHT