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Tasmota/tasmota/xdrv_30_exs_dimmer.ino

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/*
xdrv_30_exs_dimmer.ino - ex-store dimmer support for Tasmota
Copyright (C) 2020 Andreas Schultz
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_EXS_DIMMER
/*********************************************************************************************\
* EX-Store WiFi Dimmer V4
* https://ex-store.de/2-Kanal-RS232-WiFi-WLan-Dimmer-Modul-V4-fuer-Unterputzmontage-230V-3A
* https://ex-store.de/2-Kanal-RS232-WiFi-WLan-Dimmer-Modul-V4-fuer-Unterputzmontage-230V-3A-ESP8266-V12-Stift-und-Buchsenleisten
\*********************************************************************************************/
//#define EXS_DEBUG
#define XDRV_30 30
#define EXS_GATE_1_ON 0x20
#define EXS_GATE_1_OFF 0x21
#define EXS_DIMM_1_ON 0x22
#define EXS_DIMM_1_OFF 0x23
#define EXS_DIMM_1_TBL 0x24
#define EXS_DIMM_1_VAL 0x25
#define EXS_GATE_2_ON 0x30
#define EXS_GATE_2_OFF 0x31
#define EXS_DIMM_2_ON 0x32
#define EXS_DIMM_2_OFF 0x33
#define EXS_DIMM_2_TBL 0x34
#define EXS_DIMM_2_VAL 0x35
#define EXS_GATES_ON 0x40
#define EXS_GATES_OFF 0x41
#define EXS_DIMMS_ON 0x50
#define EXS_DIMMS_OFF 0x51
#define EXS_CH_LOCK 0x60
#define EXS_GET_VALUES 0xFA
#define EXS_WRITE_EE 0xFC
#define EXS_READ_EE 0xFD
#define EXS_GET_VERSION 0xFE
#define EXS_RESET 0xFF
#define EXS_BUFFER_SIZE 256
#define EXS_ACK_TIMEOUT 200 // 200 ms ACK timeout
#include <TasmotaSerial.h>
TasmotaSerial *ExsSerial = nullptr;
typedef struct
{
uint8_t on = 0;
uint8_t bright_tbl = 0;
uint8_t dimm = 0;
uint8_t impuls_start = 0;
uint32_t impuls_len = 0;
} CHANNEL;
typedef struct
{
uint8_t version_major = 0;
uint8_t version_minor = 0;
CHANNEL channel[2];
uint8_t gate_lock = 0;
} DIMMER;
struct EXS
{
uint8_t *buffer = nullptr; // Serial receive buffer
int byte_counter = 0; // Index in serial receive buffer
int cmd_status = 0;
uint8_t power = 0;
uint8_t dimm[2] = {0, 0};
DIMMER dimmer;
} Exs;
/*
* Internal Functions
*/
uint8_t crc8(const uint8_t *p, uint8_t len)
{
const uint8_t table[] = {
0x00, 0x07, 0x0E, 0x09, 0x1C, 0x1B, 0x12, 0x15,
0x38, 0x3F, 0x36, 0x31, 0x24, 0x23, 0x2A, 0x2D};
const uint8_t table_rev[] = {
0x00, 0x70, 0xE0, 0x90, 0xC1, 0xB1, 0x21, 0x51,
0x83, 0xF3, 0x63, 0x13, 0x42, 0x32, 0xA2, 0xD2};
uint8_t offset;
uint8_t temp, crc8_temp;
uint8_t crc8 = 0;
for (int i = 0; i < len; i++)
{
temp = *(p + i);
offset = temp ^ crc8;
offset >>= 4;
crc8_temp = crc8 & 0x0f;
crc8 = crc8_temp ^ table_rev[offset];
offset = crc8 ^ temp;
offset &= 0x0f;
crc8_temp = crc8 & 0xf0;
crc8 = crc8_temp ^ table[offset];
}
return crc8 ^ 0x55;
}
void ExsSerialSend(const uint8_t data[] = nullptr, uint16_t len = 0)
{
int retries = 3;
char rc;
#ifdef EXS_DEBUG
snprintf_P(TasmotaGlobal.log_data, sizeof(TasmotaGlobal.log_data), PSTR("EXS: Tx Packet: \""));
for (uint32_t i = 0; i < len; i++)
{
snprintf_P(TasmotaGlobal.log_data, sizeof(TasmotaGlobal.log_data), PSTR("%s%02x"), TasmotaGlobal.log_data, data[i]);
}
snprintf_P(TasmotaGlobal.log_data, sizeof(TasmotaGlobal.log_data), PSTR("%s\""), TasmotaGlobal.log_data);
AddLog(LOG_LEVEL_DEBUG_MORE);
#endif
while (retries)
{
retries--;
ExsSerial->write(data, len);
ExsSerial->flush();
// wait for any response
uint32_t snd_time = millis();
while ((TimePassedSince(snd_time) < EXS_ACK_TIMEOUT) &&
(!ExsSerial->available()))
;
if (!ExsSerial->available())
{
// timeout
#ifdef EXS_DEBUG
AddLog_P(LOG_LEVEL_DEBUG, PSTR("ESX: serial send timeout"));
#endif
continue;
}
rc = ExsSerial->read();
if (rc == 0xFF)
break;
}
}
void ExsSendCmd(uint8_t cmd, uint8_t value)
{
uint8_t buffer[8];
uint16_t len;
buffer[0] = 0x7b;
buffer[3] = cmd;
switch (cmd)
{
case EXS_GATE_1_ON:
case EXS_GATE_1_OFF:
case EXS_DIMM_1_ON:
case EXS_DIMM_1_OFF:
case EXS_GATE_2_ON:
case EXS_GATE_2_OFF:
case EXS_DIMM_2_ON:
case EXS_DIMM_2_OFF:
case EXS_GATES_ON:
case EXS_GATES_OFF:
case EXS_DIMMS_ON:
case EXS_DIMMS_OFF:
case EXS_GET_VALUES:
case EXS_GET_VERSION:
case EXS_RESET:
buffer[2] = 1;
len = 4;
break;
case EXS_CH_LOCK:
case EXS_DIMM_1_TBL:
case EXS_DIMM_1_VAL:
case EXS_DIMM_2_TBL:
case EXS_DIMM_2_VAL:
buffer[2] = 2;
buffer[4] = value;
len = 5;
break;
}
buffer[1] = crc8(&buffer[3], buffer[2]);
ExsSerialSend(buffer, len);
}
void ExsSetPower(uint8_t device, uint8_t power)
{
Exs.dimmer.channel[device].dimm = power;
ExsSendCmd(EXS_DIMM_1_ON + 0x10 * device + power ^ 1, 0);
}
void ExsSetBri(uint8_t device, uint8_t bri)
{
Exs.dimmer.channel[device].bright_tbl = bri;
ExsSendCmd(EXS_DIMM_1_TBL + 0x10 * device, bri);
}
void ExsSyncState(uint8_t device)
{
#ifdef EXS_DEBUG
AddLog_P2(LOG_LEVEL_DEBUG, PSTR("EXS: Channel %d Power Want %d, Is %d"),
device, bitRead(Exs.power, device), Exs.dimmer.channel[device].dimm);
AddLog_P2(LOG_LEVEL_DEBUG, PSTR("EXS: Set Channel %d Brightness Want %d, Is %d"),
device, Exs.dimm[device], Exs.dimmer.channel[device].bright_tbl);
#endif
if (bitRead(Exs.power, device) &&
Exs.dimm[device] != Exs.dimmer.channel[device].bright_tbl) {
ExsSetBri(device, Exs.dimm[device]);
}
if (!Exs.dimm[device]) {
Exs.dimmer.channel[device].dimm = 0;
} else if (Exs.dimmer.channel[device].dimm != bitRead(Exs.power, device)) {
ExsSetPower(device, bitRead(Exs.power, device));
}
}
bool ExsSyncState()
{
#ifdef EXS_DEBUG
AddLog_P2(LOG_LEVEL_DEBUG, PSTR("EXS: Serial %p, Cmd %d"), ExsSerial, Exs.cmd_status);
#endif
if (!ExsSerial || Exs.cmd_status != 0)
return false;
ExsSyncState(0);
ExsSyncState(1);
return true;
}
void ExsDebugState()
{
#ifdef EXS_DEBUG
AddLog_P2(LOG_LEVEL_DEBUG, PSTR("EXS: MCU v%d.%d, c0: On:%d,Dim:%d,Tbl:%d(%d%%), c1: On:%d,Dim:%d,Tbl:%d(%d%%), ChLock: %d"),
Exs.dimmer.version_major, Exs.dimmer.version_minor,
Exs.dimmer.channel[0].on, Exs.dimmer.channel[0].dimm,
Exs.dimmer.channel[0].bright_tbl,
changeUIntScale(Exs.dimmer.channel[0].bright_tbl, 0, 255, 0, 100),
Exs.dimmer.channel[1].on, Exs.dimmer.channel[1].dimm,
Exs.dimmer.channel[1].bright_tbl,
changeUIntScale(Exs.dimmer.channel[1].bright_tbl, 0, 255, 0, 100),
Exs.dimmer.gate_lock);
#endif
}
void ExsPacketProcess(void)
{
uint8_t len = Exs.buffer[1];
uint8_t cmd = Exs.buffer[2];
switch (cmd)
{
case EXS_GET_VALUES:
/*
format firmware 2.1
0. byte = startMarker
1. byte = 0. crc of bytes 2(CMD) - 11(GATE_LOCK)
2. byte = 1. len_Of_Payload
3. byte = 2. CMD
4. byte = 3. MAJOR
5. byte = 4. MINOR
6. byte = 5. GATE1_ON
7. byte = 6. GATE1_DIMM
8. byte = 7. GATE1.BRIGHT
9. byte = 8. GATE2_ON
10. byte = 9. GATE2_DIMM
11. byte = 10. GATE2.BRIGHT
12. byte = 11. GATE_LOCK
13. byte = '\0'
*/
if (len > 9)
{
Exs.dimmer.version_major = Exs.buffer[3];
Exs.dimmer.version_minor = Exs.buffer[4];
//Exs.dimmer.channel[0].on = Exs.buffer[5];
Exs.dimmer.channel[0].on = Exs.buffer[6];
Exs.dimmer.channel[0].dimm = Exs.buffer[6];
Exs.dimmer.channel[0].bright_tbl = Exs.buffer[7];
//Exs.dimmer.channel[1].on = Exs.buffer[8];
Exs.dimmer.channel[1].on = Exs.buffer[9];
Exs.dimmer.channel[1].dimm = Exs.buffer[9];
Exs.dimmer.channel[1].bright_tbl = Exs.buffer[10];
Exs.dimmer.gate_lock = Exs.buffer[11];
}
else
/*
format firmware 1.0
0. byte = startMarker
1. byte = 0. crc of bytes 2(CMD) - 9(GATE_LOCK)
2. byte = 1. len_Of_Payload
3. byte = 2. CMD
4. byte = 3. GATE1_ON
5. byte = 4. GATE1_DIMM
6. byte = 5. GATE1.BRIGHT
7. byte = 6. GATE2_ON
8. byte = 7. GATE2_DIMM
9. byte = 8. GATE2.BRIGHT
10. byte = 9. GATE_LOCK
11. byte = '\0'
*/
{
Exs.dimmer.version_major = 1;
Exs.dimmer.version_minor = 0;
//Exs.dimmer.channel[0].on = Exs.buffer[3] - 48;
Exs.dimmer.channel[0].on = Exs.buffer[4] - 48;
Exs.dimmer.channel[0].dimm = Exs.buffer[4] - 48;
Exs.dimmer.channel[0].bright_tbl = Exs.buffer[5] - 48;
//Exs.dimmer.channel[1].on = Exs.buffer[6] - 48;
Exs.dimmer.channel[1].on = Exs.buffer[7] - 48;
Exs.dimmer.channel[1].dimm = Exs.buffer[7] - 48;
Exs.dimmer.channel[1].bright_tbl = Exs.buffer[8] - 48;
Exs.dimmer.gate_lock = Exs.buffer[9] - 48;
}
ExsDebugState();
ExsSyncState();
ExsDebugState();
break;
default:
break;
}
}
/*
* API Functions
*/
bool ExsModuleSelected(void)
{
Settings.light_correction = 0;
Settings.flag.mqtt_serial = 0; // CMND_SERIALSEND and CMND_SERIALLOG
Settings.flag3.pwm_multi_channels = 1; // SetOption68 - Enable multi-channels PWM instead of Color PWM
SetSeriallog(LOG_LEVEL_NONE);
TasmotaGlobal.devices_present = +2;
TasmotaGlobal.light_type = LT_SERIAL2;
return true;
}
bool ExsSetChannels(void)
{
#ifdef EXS_DEBUG
snprintf_P(TasmotaGlobal.log_data, sizeof(TasmotaGlobal.log_data), PSTR("EXS: SetChannels: \""));
for (int i = 0; i < XdrvMailbox.data_len; i++)
{
snprintf_P(TasmotaGlobal.log_data, sizeof(TasmotaGlobal.log_data), PSTR("%s%02x"), TasmotaGlobal.log_data, ((uint8_t *)XdrvMailbox.data)[i]);
}
snprintf_P(TasmotaGlobal.log_data, sizeof(TasmotaGlobal.log_data), PSTR("%s\""), TasmotaGlobal.log_data);
AddLog(LOG_LEVEL_DEBUG_MORE);
#endif
Exs.dimm[0] = ((uint8_t *)XdrvMailbox.data)[0];
Exs.dimm[1] = ((uint8_t *)XdrvMailbox.data)[1];
return ExsSyncState();
}
bool ExsSetPower(void)
{
AddLog_P2(LOG_LEVEL_INFO, PSTR("EXS: Set Power, Device %d, Power 0x%02x"),
TasmotaGlobal.active_device, XdrvMailbox.index);
Exs.power = XdrvMailbox.index;
return ExsSyncState();
}
void EsxMcuStart(void)
{
int retries = 3;
#ifdef EXS_DEBUG
AddLog_P2(LOG_LEVEL_DEBUG, PSTR("EXS: Request MCU configuration, PIN %d to Low"), Pin(GPIO_EXS_ENABLE));
#endif
pinMode(Pin(GPIO_EXS_ENABLE), OUTPUT);
digitalWrite(Pin(GPIO_EXS_ENABLE), LOW);
delay(1); // wait 1ms fot the MCU to come online
while (ExsSerial->available())
{
// clear in the receive buffer
ExsSerial->read();
}
}
void ExsInit(void)
{
#ifdef EXS_DEBUG
AddLog_P2(LOG_LEVEL_INFO, PSTR("EXS: Starting Tx %d Rx %d"), Pin(GPIO_TXD), Pin(GPIO_RXD));
#endif
Exs.buffer = (uint8_t *)malloc(EXS_BUFFER_SIZE);
if (Exs.buffer != nullptr)
{
ExsSerial = new TasmotaSerial(Pin(GPIO_RXD), Pin(GPIO_TXD), 2);
if (ExsSerial->begin(9600))
{
if (ExsSerial->hardwareSerial())
{
ClaimSerial();
}
ExsSerial->flush();
EsxMcuStart();
ExsSendCmd(EXS_CH_LOCK, 0);
ExsSendCmd(EXS_GET_VALUES, 0);
}
}
}
void ExsSerialInput(void)
{
while (ExsSerial->available())
{
yield();
uint8_t serial_in_byte = ExsSerial->read();
AddLog_P2(LOG_LEVEL_INFO, PSTR("EXS: Serial In Byte 0x%02x"), serial_in_byte);
if (Exs.cmd_status == 0 &&
serial_in_byte == 0x7B)
{
Exs.cmd_status = 1;
Exs.byte_counter = 0;
}
else if (Exs.byte_counter >= EXS_BUFFER_SIZE)
{
Exs.cmd_status = 0;
}
else if (Exs.cmd_status == 1)
{
Exs.buffer[Exs.byte_counter++] = serial_in_byte;
if (Exs.byte_counter > 2 && Exs.byte_counter == Exs.buffer[1] + 2)
{
uint8_t crc = crc8(&Exs.buffer[2], Exs.buffer[1]);
// all read
Exs.cmd_status = 0;
#ifdef EXS_DEBUG
snprintf_P(TasmotaGlobal.log_data, sizeof(TasmotaGlobal.log_data), PSTR("EXS: RX Packet: \""));
for (uint32_t i = 0; i < Exs.byte_counter; i++)
{
snprintf_P(TasmotaGlobal.log_data, sizeof(TasmotaGlobal.log_data), PSTR("%s%02x"), TasmotaGlobal.log_data, Exs.buffer[i]);
}
snprintf_P(TasmotaGlobal.log_data, sizeof(TasmotaGlobal.log_data), PSTR("%s\", CRC: 0x%02x"), TasmotaGlobal.log_data, crc);
AddLog(LOG_LEVEL_DEBUG_MORE);
#endif
if (Exs.buffer[0] == crc)
{
ExsSerial->write(0xFF); //send ACK
ExsPacketProcess();
}
else
{
ExsSerial->write(0x00); //send NO-ACK
}
}
}
}
}
/*
* Commands
*/
#ifdef EXS_MCU_CMNDS
#define D_PRFX_EXS "Exs"
#define D_CMND_EXS_DIMM "Dimm"
#define D_CMND_EXS_DIMM_TBL "DimmTbl"
#define D_CMND_EXS_DIMM_VAL "DimmVal"
#define D_CMND_EXS_DIMMS "Dimms"
#define D_CMND_EXS_CH_LOCK "ChLock"
#define D_CMND_EXS_STATE "State"
const char kExsCommands[] PROGMEM = D_PRFX_EXS "|"
D_CMND_EXS_DIMM "|" D_CMND_EXS_DIMM_TBL "|" D_CMND_EXS_DIMM_VAL "|"
D_CMND_EXS_DIMMS "|" D_CMND_EXS_CH_LOCK "|"
D_CMND_EXS_STATE;
void (* const ExsCommand[])(void) PROGMEM = {
&CmndExsDimm, &CmndExsDimmTbl, &CmndExsDimmVal,
&CmndExsDimms, &CmndExsChLock,
&CmndExsState };
void CmndExsDimm(void)
{
if ((XdrvMailbox.index == 1 || XdrvMailbox.index == 2) &&
(XdrvMailbox.payload == 0 || XdrvMailbox.payload == 1)) {
ExsSendCmd(EXS_DIMM_1_ON + 0x10 * (XdrvMailbox.index - 1) +
XdrvMailbox.payload ^ 1, 0);
}
CmndExsState();
}
void CmndExsDimmTbl(void)
{
if ((XdrvMailbox.index == 1 || XdrvMailbox.index == 2) &&
(XdrvMailbox.payload > 0 || XdrvMailbox.payload <= 255)) {
ExsSendCmd(EXS_DIMM_1_TBL + 0x10 * (XdrvMailbox.index - 1),
XdrvMailbox.payload);
}
CmndExsState();
}
void CmndExsDimmVal(void)
{
if ((XdrvMailbox.index == 1 || XdrvMailbox.index == 2) &&
(XdrvMailbox.payload > 0 || XdrvMailbox.payload <= 255)) {
ExsSendCmd(EXS_DIMM_1_VAL + 0x10 * (XdrvMailbox.index - 1),
XdrvMailbox.payload);
}
CmndExsState();
}
void CmndExsDimms(void)
{
if (XdrvMailbox.payload == 0 || XdrvMailbox.payload == 1) {
ExsSendCmd(EXS_DIMMS_ON + XdrvMailbox.payload ^ 1, 0);
}
CmndExsState();
}
void CmndExsChLock(void)
{
if (XdrvMailbox.payload == 0 || XdrvMailbox.payload == 1) {
ExsSendCmd(EXS_CH_LOCK, XdrvMailbox.payload);
}
CmndExsState();
}
void CmndExsState(void)
{
ExsSendCmd(EXS_GET_VALUES, 0);
// wait for data
uint32_t snd_time = millis();
while ((TimePassedSince(snd_time) < EXS_ACK_TIMEOUT) &&
(!ExsSerial->available()))
;
ExsSerialInput();
Response_P(PSTR("{\"" D_CMND_EXS_STATE "\":{"));
ResponseAppend_P(PSTR("\"McuVersion\":\"%d.%d\","
"\"Channels\":["),
Exs.dimmer.version_major, Exs.dimmer.version_minor);
for (uint32_t i = 0; i < 2; i++) {
if (i != 0) {
ResponseAppend_P(PSTR(","));
}
ResponseAppend_P(PSTR("{\"On\":\"%d\","
"\"BrightProz\":\"%d\","
"\"BrightTab\":\"%d\","
"\"Dimm\":\"%d\"}"),
Exs.dimmer.channel[i].on,
changeUIntScale(Exs.dimmer.channel[i].bright_tbl, 0, 255, 0, 100),
Exs.dimmer.channel[i].bright_tbl,
Exs.dimmer.channel[i].dimm);
}
ResponseAppend_P(PSTR("],"));
ResponseAppend_P(PSTR("\"GateLock\":\"%d\""), Exs.dimmer.gate_lock);
ResponseJsonEndEnd();
}
#endif
/*
* Interface
*/
bool Xdrv30(uint8_t function)
{
bool result = false;
if (EXS_DIMMER == TasmotaGlobal.module_type)
{
switch (function)
{
case FUNC_LOOP:
if (ExsSerial)
ExsSerialInput();
break;
case FUNC_MODULE_INIT:
result = ExsModuleSelected();
break;
case FUNC_INIT:
ExsInit();
break;
case FUNC_SET_DEVICE_POWER:
result = ExsSetPower();
break;
case FUNC_SET_CHANNELS:
result = ExsSetChannels();
break;
#ifdef EXS_MCU_CMNDS
case FUNC_COMMAND:
result = DecodeCommand(kExsCommands, ExsCommand);
break;
#endif
}
}
return result;
}
#endif // USE_EXS_DIMMER
#endif // USE_LIGHT
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