Tasmota/tasmota/tasmota_xdrv_driver/xdrv_19_ps16dz_dimmer.ino

238 lines
7.7 KiB
C++

/*
xdrv_19_ps16dz.dimmer.ino - PS_16_DZ dimmer support for Tasmota
Copyright (C) 2021 Joel Stein and 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_PS_16_DZ
/*********************************************************************************************\
* PS 16 DZ Serial Dimmer
\*********************************************************************************************/
#define XDRV_19 19
#define PS16DZ_BUFFER_SIZE 80
#include <TasmotaSerial.h>
TasmotaSerial *PS16DZSerial = nullptr;
struct PS16DZ {
char *rx_buffer = nullptr; // Serial receive buffer
int byte_counter = 0;
uint8_t dimmer = 0;
} Ps16dz;
/*********************************************************************************************\
* Internal Functions
\*********************************************************************************************/
void PS16DZSerialSend(const char *tx_buffer)
{
// AddLog(LOG_LEVEL_DEBUG, PSTR("PSZ: Send %s"), tx_buffer);
PS16DZSerial->print(tx_buffer);
PS16DZSerial->write(0x1B);
PS16DZSerial->flush();
}
void PS16DZSerialSendOk(void)
{
char tx_buffer[16];
snprintf_P(tx_buffer, sizeof(tx_buffer), PSTR("AT+SEND=ok"));
PS16DZSerialSend(tx_buffer);
}
// Send a serial update command to the LED controller
// For dimmer types:
// AT+UPDATE="sequence":"1554682835320","switch":"on","bright":100
void PS16DZSerialSendUpdateCommand(void)
{
uint8_t light_state_dimmer = light_state.getDimmer();
// Dimming acts odd below 10% - this mirrors the threshold set on the faceplate itself
light_state_dimmer = (light_state_dimmer < Settings->dimmer_hw_min) ? Settings->dimmer_hw_min : light_state_dimmer;
light_state_dimmer = (light_state_dimmer > Settings->dimmer_hw_max) ? Settings->dimmer_hw_max : light_state_dimmer;
char tx_buffer[80];
snprintf_P(tx_buffer, sizeof(tx_buffer), PSTR("AT+UPDATE=\"sequence\":\"%d%03d\",\"switch\":\"%s\",\"bright\":%d"),
LocalTime(), millis()%1000, TasmotaGlobal.power?"on":"off", light_state_dimmer);
PS16DZSerialSend(tx_buffer);
}
/*********************************************************************************************\
* API Functions
\*********************************************************************************************/
void PS16DZSerialInput(void)
{
char scmnd[20];
while (PS16DZSerial->available()) {
yield();
uint8_t serial_in_byte = PS16DZSerial->read();
if (serial_in_byte != 0x1B) {
if (Ps16dz.byte_counter >= PS16DZ_BUFFER_SIZE - 1) {
memset(Ps16dz.rx_buffer, 0, PS16DZ_BUFFER_SIZE);
Ps16dz.byte_counter = 0;
}
if (Ps16dz.byte_counter || (!Ps16dz.byte_counter && ('A' == serial_in_byte))) {
Ps16dz.rx_buffer[Ps16dz.byte_counter++] = serial_in_byte;
}
} else {
Ps16dz.rx_buffer[Ps16dz.byte_counter++] = 0x00;
// AT+RESULT="sequence":"1554682835320"
// AddLog(LOG_LEVEL_DEBUG, PSTR("PSZ: Rcvd %s"), Ps16dz.rx_buffer);
if (!strncmp(Ps16dz.rx_buffer+3, "RESULT", 6)) {
}
else if (!strncmp(Ps16dz.rx_buffer+3, "UPDATE", 6)) {
// AT+UPDATE="switch":"on","bright":100
char *end_str;
char *string = Ps16dz.rx_buffer+10;
char *token = strtok_r(string, ",", &end_str);
bool is_switch_change = false;
bool is_brightness_change = false;
while (token != nullptr) {
char* end_token;
char* token2 = strtok_r(token, ":", &end_token);
char* token3 = strtok_r(nullptr, ":", &end_token);
if (!strncmp(token2, "\"switch\"", 8)) {
bool switch_state = !strncmp(token3, "\"on\"", 4) ? true : false;
// AddLog(LOG_LEVEL_DEBUG, PSTR("PSZ: Switch %d"), switch_state);
is_switch_change = (switch_state != TasmotaGlobal.power);
if (is_switch_change) {
ExecuteCommandPower(1, switch_state, SRC_SWITCH); // send SRC_SWITCH? to use as flag to prevent loop from inbound states from faceplate interaction
}
}
else if (!strncmp(token2, "\"bright\"", 8)) {
Ps16dz.dimmer = atoi(token3);
// AddLog(LOG_LEVEL_DEBUG, PSTR("PSZ: Brightness %d"), Ps16dz.dimmer);
is_brightness_change = Ps16dz.dimmer != Settings->light_dimmer;
if (TasmotaGlobal.power && (Ps16dz.dimmer > 0) && is_brightness_change) {
snprintf_P(scmnd, sizeof(scmnd), PSTR(D_CMND_DIMMER " %d"), Ps16dz.dimmer);
ExecuteCommand(scmnd, SRC_SWITCH);
}
}
else if (!strncmp(token2, "\"sequence\"", 10)) {
// AddLog(LOG_LEVEL_DEBUG, PSTR("PSZ: Sequence %s"), token3);
}
token = strtok_r(nullptr, ",", &end_str);
}
if (!is_brightness_change) {
// AddLog(LOG_LEVEL_DEBUG, PSTR("PSZ: Update"));
PS16DZSerialSendOk();
}
}
else if (!strncmp(Ps16dz.rx_buffer+3, "SETTING", 7)) {
// AT+SETTING=enterESPTOUCH - When ON button is held for over 5 seconds
// AT+SETTING=exitESPTOUCH - When ON button is pressed
if (!Settings->flag.button_restrict) { // SetOption1 - Control button multipress
int state = WIFI_MANAGER;
if (!strncmp(Ps16dz.rx_buffer+10, "=exit", 5)) { state = WIFI_RETRY; }
if (state != Settings->sta_config) {
snprintf_P(scmnd, sizeof(scmnd), PSTR(D_CMND_WIFICONFIG " %d"), state);
ExecuteCommand(scmnd, SRC_BUTTON);
}
}
}
memset(Ps16dz.rx_buffer, 0, PS16DZ_BUFFER_SIZE);
Ps16dz.byte_counter = 0;
}
}
}
bool PS16DZSerialSendUpdateCommandIfRequired(void)
{
if (!PS16DZSerial) { return true; }
bool is_switch_change = (XdrvMailbox.payload != SRC_SWITCH);
bool is_brightness_change = (light_state.getDimmer() != Ps16dz.dimmer);
if (is_switch_change || is_brightness_change) {
PS16DZSerialSendUpdateCommand();
}
return true;
}
void PS16DZInit(void)
{
Ps16dz.rx_buffer = (char*)(malloc(PS16DZ_BUFFER_SIZE));
if (Ps16dz.rx_buffer != nullptr) {
PS16DZSerial = new TasmotaSerial(Pin(GPIO_RXD), Pin(GPIO_TXD), 2);
if (PS16DZSerial->begin(19200)) {
if (PS16DZSerial->hardwareSerial()) { ClaimSerial(); }
}
}
}
bool PS16DZModuleSelected(void)
{
UpdateDevicesPresent(1);
TasmotaGlobal.light_type = LT_SERIAL1;
return true;
}
/*********************************************************************************************\
* Interface
\*********************************************************************************************/
bool Xdrv19(uint32_t function)
{
bool result = false;
if (PS_16_DZ == TasmotaGlobal.module_type) {
switch (function) {
case FUNC_LOOP:
if (PS16DZSerial) { PS16DZSerialInput(); }
break;
case FUNC_SET_DEVICE_POWER:
case FUNC_SET_CHANNELS:
result = PS16DZSerialSendUpdateCommandIfRequired();
break;
case FUNC_INIT:
PS16DZInit();
break;
case FUNC_MODULE_INIT:
result = PS16DZModuleSelected();
break;
case FUNC_ACTIVE:
result = true;
break;
}
}
return result;
}
#endif // USE_PS_16_DZ
#endif // USE_LIGHT