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Tasmota/tasmota/xdrv_22_sonoff_ifan.ino

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/*
xdrv_22_sonoff_ifan.ino - sonoff iFan02 and iFan03 support for Tasmota
Copyright (C) 2020 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_SONOFF_IFAN
/*********************************************************************************************\
Sonoff iFan02 and iFan03
\*********************************************************************************************/
#define XDRV_22 22
const uint8_t MAX_FAN_SPEED = 4; // Max number of iFan02 fan speeds (0 .. 3)
const uint8_t kIFan02Speed[MAX_FAN_SPEED] = { 0x00, 0x01, 0x03, 0x05 };
const uint8_t kIFan03Speed[MAX_FAN_SPEED +2] = { 0x00, 0x01, 0x03, 0x04, 0x05, 0x06 };
const uint8_t kIFan03Sequence[MAX_FAN_SPEED][MAX_FAN_SPEED] = {{0, 2, 2, 2}, {0, 1, 2, 4}, {1, 1, 2, 5}, {4, 4, 5, 3}};
const char kSonoffIfanCommands[] PROGMEM = "|" // No prefix
D_CMND_FANSPEED;
void (* const SonoffIfanCommand[])(void) PROGMEM = {
&CmndFanspeed };
uint8_t ifan_fanspeed_timer = 0;
uint8_t ifan_fanspeed_goal = 0;
bool ifan_receive_flag = false;
bool ifan_restart_flag = true;
/*********************************************************************************************/
bool IsModuleIfan(void)
{
return ((SONOFF_IFAN02 == my_module_type) || (SONOFF_IFAN03 == my_module_type));
}
uint8_t MaxFanspeed(void)
{
return MAX_FAN_SPEED;
}
uint8_t GetFanspeed(void)
{
if (ifan_fanspeed_timer) {
return ifan_fanspeed_goal; // Do not show sequence fanspeed
} else {
/* Fanspeed is controlled by relay 2, 3 and 4 as in Sonoff 4CH.
000x = 0
001x = 1
011x = 2
101x = 3 (ifan02) or 100x = 3 (ifan03)
*/
uint8_t fanspeed = (uint8_t)(TasmotaGlobal.power &0xF) >> 1;
if (fanspeed) { fanspeed = (fanspeed >> 1) +1; } // 0, 1, 2, 3
return fanspeed;
}
}
/*********************************************************************************************/
void SonoffIFanSetFanspeed(uint8_t fanspeed, bool sequence)
{
ifan_fanspeed_timer = 0; // Stop any sequence
ifan_fanspeed_goal = fanspeed;
uint8_t fanspeed_now = GetFanspeed();
if (fanspeed == fanspeed_now) { return; }
uint8_t fans = kIFan02Speed[fanspeed];
if (SONOFF_IFAN03 == my_module_type) {
if (sequence) {
fanspeed = kIFan03Sequence[fanspeed_now][ifan_fanspeed_goal];
if (fanspeed != ifan_fanspeed_goal) {
if (0 == fanspeed_now) {
ifan_fanspeed_timer = 20; // Need extra time to power up fan
} else {
ifan_fanspeed_timer = 2;
}
}
}
fans = kIFan03Speed[fanspeed];
}
for (uint32_t i = 2; i < 5; i++) {
uint8_t state = (fans &1) + POWER_OFF_NO_STATE; // Add no publishPowerState
ExecuteCommandPower(i, state, SRC_IGNORE); // Use relay 2, 3 and 4
fans >>= 1;
}
#ifdef USE_DOMOTICZ
if (sequence) { DomoticzUpdateFanState(); } // Command FanSpeed feedback
#endif // USE_DOMOTICZ
}
/*********************************************************************************************/
void SonoffIfanReceived(void)
{
char svalue[32];
uint8_t mode = serial_in_buffer[3];
uint8_t action = serial_in_buffer[6];
if (4 == mode) {
if (action < 4) {
// AA 55 01 04 00 01 00 06 - Fan 0
// AA 55 01 04 00 01 01 07 - Fan 1
// AA 55 01 04 00 01 02 08 - Fan 2
// AA 55 01 04 00 01 03 09 - Fan 3
if (action != GetFanspeed()) {
snprintf_P(svalue, sizeof(svalue), PSTR(D_CMND_FANSPEED " %d"), action);
ExecuteCommand(svalue, SRC_REMOTE);
#ifdef USE_BUZZER
BuzzerEnabledBeep((action) ? action : 1, (action) ? 1 : 4); // Beep action times
#endif
}
} else {
// AA 55 01 04 00 01 04 0A - Light
ExecuteCommandPower(1, POWER_TOGGLE, SRC_REMOTE);
}
}
if (6 == mode) {
// AA 55 01 06 00 01 01 09 - Buzzer
Settings.flag3.buzzer_enable = !Settings.flag3.buzzer_enable; // SetOption67 - Enable buzzer when available
}
if (7 == mode) {
// AA 55 01 07 00 01 01 0A - Rf long press - forget RF codes
#ifdef USE_BUZZER
BuzzerEnabledBeep(4, 1); // Beep four times
#endif
}
// Send Acknowledge - Copy first 5 bytes, reset byte 6 and store crc in byte 7
// AA 55 01 04 00 00 05
serial_in_buffer[5] = 0; // Ack
serial_in_buffer[6] = 0; // Crc
for (uint32_t i = 0; i < 7; i++) {
if ((i > 1) && (i < 6)) { serial_in_buffer[6] += serial_in_buffer[i]; }
Serial.write(serial_in_buffer[i]);
}
}
bool SonoffIfanSerialInput(void)
{
if (SONOFF_IFAN03 != my_module_type) { return false; }
if (0xAA == serial_in_byte) { // 0xAA - Start of text
serial_in_byte_counter = 0;
ifan_receive_flag = true;
}
if (ifan_receive_flag) {
serial_in_buffer[serial_in_byte_counter++] = serial_in_byte;
if (serial_in_byte_counter == 8) {
// AA 55 01 01 00 01 01 04 - Wifi long press - start wifi setup
// AA 55 01 01 00 01 02 05 - Rf and Wifi short press
// AA 55 01 04 00 01 00 06 - Fan 0
// AA 55 01 04 00 01 01 07 - Fan 1
// AA 55 01 04 00 01 02 08 - Fan 2
// AA 55 01 04 00 01 03 09 - Fan 3
// AA 55 01 04 00 01 04 0A - Light
// AA 55 01 06 00 01 01 09 - Buzzer
// AA 55 01 07 00 01 01 0A - Rf long press - forget RF codes
AddLogSerial(LOG_LEVEL_DEBUG);
uint8_t crc = 0;
for (uint32_t i = 2; i < 7; i++) {
crc += serial_in_buffer[i];
}
if (crc == serial_in_buffer[7]) {
SonoffIfanReceived();
ifan_receive_flag = false;
return true;
}
}
serial_in_byte = 0;
}
return false;
}
/*********************************************************************************************\
* Commands
\*********************************************************************************************/
void CmndFanspeed(void)
{
if (XdrvMailbox.data_len > 0) {
if ('-' == XdrvMailbox.data[0]) {
XdrvMailbox.payload = (int16_t)GetFanspeed() -1;
if (XdrvMailbox.payload < 0) { XdrvMailbox.payload = MAX_FAN_SPEED -1; }
}
else if ('+' == XdrvMailbox.data[0]) {
XdrvMailbox.payload = GetFanspeed() +1;
if (XdrvMailbox.payload > MAX_FAN_SPEED -1) { XdrvMailbox.payload = 0; }
}
}
if ((XdrvMailbox.payload >= 0) && (XdrvMailbox.payload < MAX_FAN_SPEED)) {
SonoffIFanSetFanspeed(XdrvMailbox.payload, true);
}
ResponseCmndNumber(GetFanspeed());
}
/*********************************************************************************************/
bool SonoffIfanInit(void)
{
if (SONOFF_IFAN03 == my_module_type) {
SetSerial(9600, TS_SERIAL_8N1);
}
return false; // Continue init chain
}
void SonoffIfanUpdate(void)
{
if (SONOFF_IFAN03 == my_module_type) {
if (ifan_fanspeed_timer) {
ifan_fanspeed_timer--;
if (!ifan_fanspeed_timer) {
SonoffIFanSetFanspeed(ifan_fanspeed_goal, false);
}
}
}
if (ifan_restart_flag && (4 == TasmotaGlobal.uptime) && (SONOFF_IFAN02 == my_module_type)) { // Microcontroller needs 3 seconds before accepting commands
ifan_restart_flag = false;
SetDevicePower(1, SRC_RETRY); // Sync with default power on state microcontroller being Light ON and Fan OFF
SetDevicePower(TasmotaGlobal.power, SRC_RETRY); // Set required power on state
}
}
/*********************************************************************************************\
* Interface
\*********************************************************************************************/
bool Xdrv22(uint8_t function)
{
bool result = false;
if (IsModuleIfan()) {
switch (function) {
case FUNC_EVERY_250_MSECOND:
SonoffIfanUpdate();
break;
case FUNC_SERIAL:
result = SonoffIfanSerialInput();
break;
case FUNC_COMMAND:
result = DecodeCommand(kSonoffIfanCommands, SonoffIfanCommand);
break;
case FUNC_MODULE_INIT:
result = SonoffIfanInit();
break;
}
}
return result;
}
#endif // USE_SONOFF_IFAN
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