mirror of https://github.com/arendst/Tasmota.git
235 lines
7.5 KiB
C++
235 lines
7.5 KiB
C++
/*
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xdrv_19_ps16dz.dimmer.ino - PS_16_DZ dimmer support for Tasmota
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Copyright (C) 2019 Joel Stein and 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_PS_16_DZ
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/*********************************************************************************************\
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* PS 16 DZ Serial Dimmer
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\*********************************************************************************************/
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#define XDRV_19 19
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#define PS16DZ_BUFFER_SIZE 80
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#include <TasmotaSerial.h>
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TasmotaSerial *PS16DZSerial = nullptr;
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struct PS16DZ {
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char *rx_buffer = nullptr; // Serial receive buffer
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int byte_counter = 0;
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uint8_t dimmer = 0;
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} Ps16dz;
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/*********************************************************************************************\
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* Internal Functions
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\*********************************************************************************************/
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void PS16DZSerialSend(const char *tx_buffer)
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{
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// AddLog_P2(LOG_LEVEL_DEBUG, PSTR("PSZ: Send %s"), tx_buffer);
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PS16DZSerial->print(tx_buffer);
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PS16DZSerial->write(0x1B);
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PS16DZSerial->flush();
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}
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void PS16DZSerialSendOk(void)
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{
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char tx_buffer[16];
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snprintf_P(tx_buffer, sizeof(tx_buffer), PSTR("AT+SEND=ok"));
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PS16DZSerialSend(tx_buffer);
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}
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// Send a serial update command to the LED controller
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// For dimmer types:
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// AT+UPDATE="sequence":"1554682835320","switch":"on","bright":100
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void PS16DZSerialSendUpdateCommand(void)
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{
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uint8_t light_state_dimmer = light_state.getDimmer();
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// Dimming acts odd below 10% - this mirrors the threshold set on the faceplate itself
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light_state_dimmer = (light_state_dimmer < Settings.dimmer_hw_min) ? Settings.dimmer_hw_min : light_state_dimmer;
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light_state_dimmer = (light_state_dimmer > Settings.dimmer_hw_max) ? Settings.dimmer_hw_max : light_state_dimmer;
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char tx_buffer[80];
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snprintf_P(tx_buffer, sizeof(tx_buffer), PSTR("AT+UPDATE=\"sequence\":\"%d%03d\",\"switch\":\"%s\",\"bright\":%d"),
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LocalTime(), millis()%1000, power?"on":"off", light_state_dimmer);
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PS16DZSerialSend(tx_buffer);
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}
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/*********************************************************************************************\
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* API Functions
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\*********************************************************************************************/
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void PS16DZSerialInput(void)
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{
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char scmnd[20];
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while (PS16DZSerial->available()) {
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yield();
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uint8_t serial_in_byte = PS16DZSerial->read();
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if (serial_in_byte != 0x1B) {
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if (Ps16dz.byte_counter >= PS16DZ_BUFFER_SIZE - 1) {
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memset(Ps16dz.rx_buffer, 0, PS16DZ_BUFFER_SIZE);
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Ps16dz.byte_counter = 0;
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}
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if (Ps16dz.byte_counter || (!Ps16dz.byte_counter && ('A' == serial_in_byte))) {
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Ps16dz.rx_buffer[Ps16dz.byte_counter++] = serial_in_byte;
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}
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} else {
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Ps16dz.rx_buffer[Ps16dz.byte_counter++] = 0x00;
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// AT+RESULT="sequence":"1554682835320"
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// AddLog_P2(LOG_LEVEL_DEBUG, PSTR("PSZ: Rcvd %s"), Ps16dz.rx_buffer);
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if (!strncmp(Ps16dz.rx_buffer+3, "RESULT", 6)) {
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}
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else if (!strncmp(Ps16dz.rx_buffer+3, "UPDATE", 6)) {
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// AT+UPDATE="switch":"on","bright":100
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char *end_str;
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char *string = Ps16dz.rx_buffer+10;
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char *token = strtok_r(string, ",", &end_str);
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bool is_switch_change = false;
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bool is_brightness_change = false;
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while (token != nullptr) {
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char* end_token;
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char* token2 = strtok_r(token, ":", &end_token);
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char* token3 = strtok_r(nullptr, ":", &end_token);
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if (!strncmp(token2, "\"switch\"", 8)) {
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bool switch_state = !strncmp(token3, "\"on\"", 4) ? true : false;
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// AddLog_P2(LOG_LEVEL_DEBUG, PSTR("PSZ: Switch %d"), switch_state);
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is_switch_change = (switch_state != power);
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if (is_switch_change) {
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ExecuteCommandPower(1, switch_state, SRC_SWITCH); // send SRC_SWITCH? to use as flag to prevent loop from inbound states from faceplate interaction
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}
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}
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else if (!strncmp(token2, "\"bright\"", 8)) {
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Ps16dz.dimmer = atoi(token3);
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// AddLog_P2(LOG_LEVEL_DEBUG, PSTR("PSZ: Brightness %d"), Ps16dz.dimmer);
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is_brightness_change = Ps16dz.dimmer != Settings.light_dimmer;
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if (power && (Ps16dz.dimmer > 0) && is_brightness_change) {
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snprintf_P(scmnd, sizeof(scmnd), PSTR(D_CMND_DIMMER " %d"), Ps16dz.dimmer);
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ExecuteCommand(scmnd, SRC_SWITCH);
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}
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}
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else if (!strncmp(token2, "\"sequence\"", 10)) {
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// AddLog_P2(LOG_LEVEL_DEBUG, PSTR("PSZ: Sequence %s"), token3);
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}
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token = strtok_r(nullptr, ",", &end_str);
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}
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if (!is_brightness_change) {
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// AddLog_P2(LOG_LEVEL_DEBUG, PSTR("PSZ: Update"));
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PS16DZSerialSendOk();
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}
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}
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else if (!strncmp(Ps16dz.rx_buffer+3, "SETTING", 7)) {
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// AT+SETTING=enterESPTOUCH - When ON button is held for over 5 seconds
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// AT+SETTING=exitESPTOUCH - When ON button is pressed
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if (!Settings.flag.button_restrict) {
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int state = WIFI_MANAGER;
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if (!strncmp(Ps16dz.rx_buffer+10, "=exit", 5)) { state = WIFI_RETRY; }
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if (state != Settings.sta_config) {
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snprintf_P(scmnd, sizeof(scmnd), PSTR(D_CMND_WIFICONFIG " %d"), state);
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ExecuteCommand(scmnd, SRC_BUTTON);
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}
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}
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}
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memset(Ps16dz.rx_buffer, 0, PS16DZ_BUFFER_SIZE);
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Ps16dz.byte_counter = 0;
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}
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}
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}
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bool PS16DZSerialSendUpdateCommandIfRequired(void)
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{
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if (!PS16DZSerial) { return true; }
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bool is_switch_change = (XdrvMailbox.payload != SRC_SWITCH);
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bool is_brightness_change = (light_state.getDimmer() != Ps16dz.dimmer);
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if (is_switch_change || is_brightness_change) {
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PS16DZSerialSendUpdateCommand();
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}
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return true;
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}
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void PS16DZInit(void)
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{
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Ps16dz.rx_buffer = (char*)(malloc(PS16DZ_BUFFER_SIZE));
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if (Ps16dz.rx_buffer != nullptr) {
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PS16DZSerial = new TasmotaSerial(pin[GPIO_RXD], pin[GPIO_TXD], 2);
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if (PS16DZSerial->begin(19200)) {
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if (PS16DZSerial->hardwareSerial()) { ClaimSerial(); }
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}
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}
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}
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bool PS16DZModuleSelected(void)
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{
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devices_present++;
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light_type = LT_SERIAL1;
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return true;
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}
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/*********************************************************************************************\
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* Interface
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\*********************************************************************************************/
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bool Xdrv19(uint8_t function)
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{
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bool result = false;
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if (PS_16_DZ == my_module_type) {
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switch (function) {
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case FUNC_LOOP:
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if (PS16DZSerial) { PS16DZSerialInput(); }
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break;
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case FUNC_SET_DEVICE_POWER:
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case FUNC_SET_CHANNELS:
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result = PS16DZSerialSendUpdateCommandIfRequired();
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break;
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case FUNC_INIT:
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PS16DZInit();
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break;
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case FUNC_MODULE_INIT:
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result = PS16DZModuleSelected();
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break;
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}
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}
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return result;
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}
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#endif // USE_PS_16_DZ
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#endif // USE_LIGHT
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