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Tasmota/sonoff/xdrv_19_ps16dz_dimmer.ino

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/*
xdrv_19_ps16dz_dimmer.ino - PS_16_DZ dimmer support for Sonoff-Tasmota
Copyright (C) 2018 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_PS_16_DZ
#define XDRV_19 19
#define PS16DZ_BUFFER_SIZE 256
#include <TasmotaSerial.h>
TasmotaSerial *PS16DZSerial = nullptr;
boolean ps16dz_ignore_dim = false; // Flag to skip serial send to prevent looping when processing inbound states from the faceplate interaction
boolean ps16dz_power = false;
uint8_t ps16dz_bright = 0;
//uint64_t ps16dz_seq = 0;
char *ps16dz_tx_buffer = NULL; // Serial transmit buffer
char *ps16dz_rx_buffer = NULL; // Serial receive buffer
int ps16dz_byte_counter = 0;
/*********************************************************************************************\
* Internal Functions
\*********************************************************************************************/
void printTimestamp(void)
{
snprintf_P(ps16dz_tx_buffer, PS16DZ_BUFFER_SIZE, PSTR( "%s%d%03d"), ps16dz_tx_buffer, LocalTime(), millis()%1000);
}
boolean PS16DZSetPower(void)
{
boolean status = false;
uint8_t rpower = XdrvMailbox.index;
int16_t source = XdrvMailbox.payload;
if (source != SRC_SWITCH && PS16DZSerial) { // ignore to prevent loop from pushing state from faceplate interaction
snprintf_P(ps16dz_tx_buffer, PS16DZ_BUFFER_SIZE, PSTR( "AT+UPDATE=\"sequence\":\""));
printTimestamp();
snprintf_P(ps16dz_tx_buffer, PS16DZ_BUFFER_SIZE, PSTR( "%s\",\"switch\":\"%s\""), ps16dz_tx_buffer, rpower?"on":"off");
snprintf_P(log_data, sizeof(log_data), PSTR( "PSZ: Send serial command: %s"), ps16dz_tx_buffer );
AddLog(LOG_LEVEL_DEBUG);
PS16DZSerial->print(ps16dz_tx_buffer);
PS16DZSerial->write(0x1B);
PS16DZSerial->flush();
status = true;
}
return status;
}
void PS16DZSerialDuty(uint8_t duty)
{
if (duty > 0 && !ps16dz_ignore_dim && PS16DZSerial) {
if (duty < 25) {
duty = 25; // dimming acts odd below 25(10%) - this mirrors the threshold set on the faceplate itself
}
snprintf_P(ps16dz_tx_buffer, PS16DZ_BUFFER_SIZE, PSTR( "AT+UPDATE=\"sequence\":\""));
printTimestamp();
snprintf_P(ps16dz_tx_buffer, PS16DZ_BUFFER_SIZE, PSTR( "%s\",\"bright\":%d"), ps16dz_tx_buffer, round(duty * (100. / 255.)));
snprintf_P(log_data, sizeof(log_data), PSTR( "PSZ: Send serial command: %s"), ps16dz_tx_buffer );
AddLog(LOG_LEVEL_DEBUG);
PS16DZSerial->print(ps16dz_tx_buffer);
PS16DZSerial->write(0x1B);
PS16DZSerial->flush();
} else {
ps16dz_ignore_dim = false; // reset flag
snprintf_P(log_data, sizeof(log_data), PSTR( "PSZ: Send Dim Level skipped due to 0 or already set. Value=%d"), duty);
AddLog(LOG_LEVEL_DEBUG);
}
}
void PS16DZResetWifi(void)
{
if (!Settings.flag.button_restrict) {
char scmnd[20];
snprintf_P(scmnd, sizeof(scmnd), D_CMND_WIFICONFIG " %d", 2);
ExecuteCommand(scmnd, SRC_BUTTON);
}
}
/*********************************************************************************************\
* API Functions
\*********************************************************************************************/
boolean PS16DZModuleSelected(void)
{
light_type = LT_SERIAL1;
return true;
}
void PS16DZInit(void)
{
ps16dz_tx_buffer = (char*)(malloc(PS16DZ_BUFFER_SIZE));
if (ps16dz_tx_buffer != NULL) {
ps16dz_rx_buffer = (char*)(malloc(PS16DZ_BUFFER_SIZE));
if (ps16dz_rx_buffer != NULL) {
PS16DZSerial = new TasmotaSerial(pin[GPIO_RXD], pin[GPIO_TXD], 2);
if (PS16DZSerial->begin(19200)) {
if (PS16DZSerial->hardwareSerial()) { ClaimSerial(); }
}
}
}
}
void PS16DZSerialInput(void)
{
char scmnd[20];
while (PS16DZSerial->available()) {
yield();
byte serial_in_byte = PS16DZSerial->read();
if (serial_in_byte != 0x1B){
if (ps16dz_byte_counter || (!ps16dz_byte_counter && serial_in_byte == 'A'));
ps16dz_rx_buffer[ps16dz_byte_counter++] = serial_in_byte;
}
else {
ps16dz_rx_buffer[ps16dz_byte_counter++] = 0x00;
snprintf_P(log_data, sizeof(log_data), PSTR("PSZ: command received: %s"), ps16dz_rx_buffer);
AddLog(LOG_LEVEL_DEBUG);
if(!strncmp(ps16dz_rx_buffer+3, "UPDATE", 6) || !strncmp(ps16dz_rx_buffer+3, "RESULT", 6)) {
char *end_str;
char *string = ps16dz_rx_buffer+10;
char* token = strtok_r(string, ",", &end_str);
while (token != NULL) {
char* end_token;
snprintf_P(log_data, sizeof(log_data), PSTR("PSZ: token = %s"), token);
AddLog(LOG_LEVEL_DEBUG);
char* token2 = strtok_r(token, ":", &end_token);
char* token3 = strtok_r(NULL, ":", &end_token);
if(!strncmp(token2, "\"switch\"", 8)){
ps16dz_power = !strncmp(token3, "\"on\"", 4)?true:false;
snprintf_P(log_data, sizeof(log_data), PSTR("PSZ: power received: %s"), token3);
AddLog(LOG_LEVEL_DEBUG);
if((power || Settings.light_dimmer > 0) && (power !=ps16dz_power)) {
ExecuteCommandPower(1, ps16dz_power, 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_bright = atoi(token3);
snprintf_P(log_data, sizeof(log_data), PSTR("PSZ: brightness received: %d"), ps16dz_bright);
AddLog(LOG_LEVEL_DEBUG);
if(power && ps16dz_bright > 0 && ps16dz_bright != Settings.light_dimmer) {
snprintf_P(scmnd, sizeof(scmnd), PSTR(D_CMND_DIMMER " %d"), ps16dz_bright );
snprintf_P(log_data, sizeof(log_data), PSTR("PSZ: Send CMND_DIMMER_STR=%s"), scmnd );
AddLog(LOG_LEVEL_DEBUG);
ps16dz_ignore_dim = true;
ExecuteCommand(scmnd, SRC_SWITCH);
}
}
else if(!strncmp(token2, "\"sequence\"", 10)){
//ps16dz_seq = strtoull(token3+1, NULL, 10);
snprintf_P(log_data, sizeof(log_data), PSTR("PSZ: sequence received: %s"), token3);
AddLog(LOG_LEVEL_DEBUG);
}
token = strtok_r(NULL, ",", &end_str);
}
}
else if(!strncmp(ps16dz_rx_buffer+3, "SETTING", 7)) {
snprintf_P(log_data, sizeof(log_data), PSTR("PSZ: Reset"));
AddLog(LOG_LEVEL_DEBUG);
PS16DZResetWifi();
}
memset(ps16dz_rx_buffer, 0, PS16DZ_BUFFER_SIZE);
ps16dz_byte_counter = 0;
snprintf_P(ps16dz_tx_buffer, PS16DZ_BUFFER_SIZE, PSTR( "AT+SEND=ok"));
snprintf_P(log_data, sizeof(log_data), PSTR( "PSZ: Send serial command: %s"), ps16dz_tx_buffer );
AddLog(LOG_LEVEL_DEBUG);
PS16DZSerial->print(ps16dz_tx_buffer);
PS16DZSerial->write(0x1B);
PS16DZSerial->flush();
}
}
}
/*********************************************************************************************\
* Interface
\*********************************************************************************************/
boolean Xdrv19(byte function)
{
boolean result = false;
if (PS_16_DZ == Settings.module) {
switch (function) {
case FUNC_MODULE_INIT:
result = PS16DZModuleSelected();
break;
case FUNC_INIT:
PS16DZInit();
break;
case FUNC_LOOP:
if (PS16DZSerial) { PS16DZSerialInput(); }
break;
case FUNC_SET_DEVICE_POWER:
result = PS16DZSetPower();
break;
}
}
return result;
}
#endif // USE_PS_16_DZ
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