mirror of https://github.com/arendst/Tasmota.git
556 lines
23 KiB
C++
556 lines
23 KiB
C++
/*
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xsns_48_chirp.ino - soil moisture sensor support for Tasmota
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Copyright (C) 2021 Theo Arends & Christian Baars
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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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Version Date Action Description
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--------------------------------------------------------------------------------------------
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1.0.0.2 20200611 changed - bugfix: decouple restart of the work loop from FUNC_JSON_APPEND callback
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---
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1.0.0.1 20190917 changed - rework of the inner loop to enable delays in the middle of I2C-reads
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changed - double send address change only for fw>0x25
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changed - use DEBUG_SENSOR_LOG, change ILLUMINANCE to DARKNESS
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changed - do not publish missing temperature reads, show fw-version as hex
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added - now really support the (slower) CHIRP!-Sensor
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---
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1.0.0.0 20190608 started - further development by Christian Baars - https://github.com/Staars/Sonoff-Tasmota
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forked - from arendst/tasmota - https://github.com/arendst/Tasmota
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base - code base from arendst and - https://github.com/Miceuz/i2c-moisture-sensor
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*/
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#ifdef USE_I2C
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#ifdef USE_CHIRP
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/*********************************************************************************************\
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* CHIRP - Chirp!-sensor and I2C-soil-moisture-sensor
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* !! The I2C-soil-moisture-sensor is the preferred one !!
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*
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* I2C Address: 0x20 - standard address, is changeable
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* - Uses I2C clock stretching
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* - Scans all I2C addresses
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\*********************************************************************************************/
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#define XSNS_48 48
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#define XI2C_33 33 // See I2CDEVICES.md
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#define CHIRP_MAX_SENSOR_COUNT 3 // 127 is expectectd to be the max number
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#define CHIRP_ADDR_STANDARD 0x20 // standard address
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/*********************************************************************************************\
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* constants
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\*********************************************************************************************/
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#define D_CMND_CHIRP "CHIRP"
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const char S_JSON_CHIRP_COMMAND_NVALUE[] PROGMEM = "{\"" D_CMND_CHIRP "%s\":%d}";
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const char S_JSON_CHIRP_COMMAND[] PROGMEM = "{\"" D_CMND_CHIRP "%s\"}";
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const char kCHIRP_Commands[] PROGMEM = "Select|Set|Scan|Reset|Sleep|Wake";
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const char kChirpTypes[] PROGMEM = "CHIRP";
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/*********************************************************************************************\
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* enumerations
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\*********************************************************************************************/
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enum CHIRP_Commands { // commands useable in console or rules
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CMND_CHIRP_SELECT, // select active sensor by I2C address, makes only sense for multiple sensors
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CMND_CHIRP_SET, // set new I2C address for selected/active sensor, will reset
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CMND_CHIRP_SCAN, // scan the I2C bus for one or more chirp sensors
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CMND_CHIRP_RESET, // CHIRPReset, a fresh and default restart
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CMND_CHIRP_SLEEP, // put sensor to sleep
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CMND_CHIRP_WAKE }; // wake sensor by reading firmware version
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/*********************************************************************************************\
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* command defines
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\*********************************************************************************************/
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#define CHIRP_GET_CAPACITANCE 0x00 // 16 bit, read
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#define CHIRP_SET_ADDRESS 0x01 // 8 bit, write
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#define CHIRP_GET_ADDRESS 0x02 // 8 bit, read
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#define CHIRP_MEASURE_LIGHT 0x03 // no value, write, -> initiate measurement, then wait at least 3 seconds
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#define CHIRP_GET_LIGHT 0x04 // 16 bit, read, -> higher value means darker environment, noisy data, not calibrated
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#define CHIRP_GET_TEMPERATURE 0x05 // 16 bit, read
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#define CHIRP_RESET 0x06 // no value, write
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#define CHIRP_GET_VERSION 0x07 // 8 bit, read, -> 0x22 means 2.2
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#define CHIRP_SLEEP 0x08 // no value, write
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#define CHIRP_GET_BUSY 0x09 // 8 bit, read, -> 1 = busy, 0 = otherwise
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/*********************************************************************************************\
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* helper function
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\*********************************************************************************************/
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void ChirpWriteI2CRegister(uint8_t addr, uint8_t reg) {
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Wire.beginTransmission(addr);
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Wire.write(reg);
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Wire.endTransmission();
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} // now the original CHIRP needs 1100 ms delay
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uint16_t ChirpFinishReadI2CRegister16bit(uint8_t addr) {
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Wire.requestFrom(addr,(uint8_t)2);
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uint16_t t = Wire.read() << 8;
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t = t | Wire.read();
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return t;
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}
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/********************************************************************************************/
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// globals
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uint8_t chirp_current = 0; // current selected/active sensor
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uint8_t chirp_found_sensors = 0; // number of found sensors
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char chirp_name[7];
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uint8_t chirp_next_job = 0; //0=reset, 1=auto-wake, 2-13 = various measure steps; 14 = TELE done
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uint32_t chirp_timeout_count = 0; //is handled every second, so value is equal to seconds (it is a slow sensor)
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#pragma pack(1)
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struct ChirpSensor_t{
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uint16_t moisture = 0; // shall hold post-processed data, if implemented
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uint16_t light = 0; // light level, maybe already postprocessed depending on the firmware
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int16_t temperature = 0; // temperature in degrees CELSIUS * 10 , we will also store the I2C error code
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uint8_t version = 0; // firmware-version
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uint8_t address:7; // we need only 7bit so...
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uint8_t explicitSleep:1; // there is a free bit to play with ;)
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};
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#pragma pack()
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ChirpSensor_t chirp_sensor[CHIRP_MAX_SENSOR_COUNT]; // should be 8 bytes per sensor slot
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/********************************************************************************************/
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void ChirpReset(uint8_t addr) {
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ChirpWriteI2CRegister(addr, CHIRP_RESET);
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}
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/********************************************************************************************/
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void ChirpResetAll(void) {
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for (uint32_t i = 0; i < chirp_found_sensors; i++) {
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if (chirp_sensor[i].version) {
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ChirpReset(chirp_sensor[i].address);
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}
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}
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}
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/********************************************************************************************/
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void ChirpClockSet() { // set I2C for this slow sensor
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#ifdef ESP8266
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Wire.setClockStretchLimit(4000);
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#endif // ESP8266
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Wire.setClock(50000);
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}
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/********************************************************************************************/
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void ChirpSleep(uint8_t addr) {
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ChirpWriteI2CRegister(addr, CHIRP_SLEEP);
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}
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/********************************************************************************************/
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// void ChirpSleepAll(void) {
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// for (uint32_t i = 0; i < chirp_found_sensors; i++) {
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// if (chirp_sensor[i].version) {
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// ChirpSleep(chirp_sensor[i].address);
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// }
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// }
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// }
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// /********************************************************************************************/
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// void ChirpAutoWakeAll(void) {
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// for (uint32_t i = 0; i < chirp_found_sensors; i++) {
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// if (chirp_sensor[i].version && !chirp_sensor[i].explicitSleep) {
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// ChirpReadVersion(chirp_sensor[i].address);
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// }
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// }
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// }
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/********************************************************************************************/
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void ChirpSelect(uint8_t sensor) {
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if(sensor < chirp_found_sensors) { //TODO: show some infos
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chirp_current = sensor;
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DEBUG_SENSOR_LOG(PSTR("CHIRP: Sensor %u now active."), chirp_current);
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}
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if (sensor == 255) {
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DEBUG_SENSOR_LOG(PSTR("CHIRP: Sensor %u active at address 0x%x."), chirp_current, chirp_sensor[chirp_current].address);
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}
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}
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/******************************************************************************************************************/
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uint8_t ChirpReadVersion(uint8_t addr) {
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return (I2cRead8(addr, CHIRP_GET_VERSION)); // the Chirp!-sensor does not provide fw-version and we will get 255
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}
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/******************************************************************************************************************/
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bool ChirpSet(uint8_t addr) {
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if(addr < 128){
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if (I2cWrite8(chirp_sensor[chirp_current].address, CHIRP_SET_ADDRESS, addr)){
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if(chirp_sensor[chirp_current].version>0x25 && chirp_sensor[chirp_current].version != 255){
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delay(5);
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I2cWrite8(chirp_sensor[chirp_current].address, CHIRP_SET_ADDRESS, addr);
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// two calls are needed for sensor firmware version 2.6, but maybe dangerous before
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}
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DEBUG_SENSOR_LOG(PSTR("CHIRP: Wrote adress %u "), addr);
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ChirpReset(chirp_sensor[chirp_current].address);
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chirp_sensor[chirp_current].address = addr;
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chirp_timeout_count = 10;
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chirp_next_job = 0;
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if(chirp_sensor[chirp_current].version == 255){ // this should be Chirp! and it seems to need a power cycle (or RESET to GND)
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AddLog(LOG_LEVEL_INFO, PSTR("CHIRP: wrote new address %u, please power off device"), addr);
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chirp_sensor[chirp_current].version == 0; // make it "invisible"
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}
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return true;
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}
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}
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AddLog(LOG_LEVEL_INFO, PSTR("CHIRP: address %u incorrect and not used"), addr);
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return false;
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}
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/********************************************************************************************/
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bool ChirpScan()
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{
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ChirpClockSet();
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chirp_found_sensors = 0;
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for (uint8_t address = 1; address <= 127; address++) {
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chirp_sensor[chirp_found_sensors].version = 0;
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chirp_sensor[chirp_found_sensors].version = ChirpReadVersion(address);
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delay(2);
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chirp_sensor[chirp_found_sensors].version = ChirpReadVersion(address);
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if (chirp_sensor[chirp_found_sensors].version > 0) {
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I2cSetActiveFound(address, "CHIRP");
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if (chirp_found_sensors<CHIRP_MAX_SENSOR_COUNT) {
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chirp_sensor[chirp_found_sensors].address = address; // push next sensor, as long as there is space in the array
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AddLog(LOG_LEVEL_DEBUG, PSTR("CHIRP: fw %x"), chirp_sensor[chirp_found_sensors].version);
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}
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chirp_found_sensors++;
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}
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}
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// chirp_timeout_count = 11; // wait a second to read the real fw-version in the next step
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AddLog(LOG_LEVEL_DEBUG, PSTR("Found %u CHIRP sensor(s)."), chirp_found_sensors);
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return (chirp_found_sensors > 0);
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}
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/********************************************************************************************/
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void ChirpDetect(void)
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{
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if (chirp_next_job > 0) { return; }
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DEBUG_SENSOR_LOG(PSTR("CHIRP: scan will start ..."));
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if (ChirpScan()) {
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uint8_t chirp_model = 0; // TODO: ??
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GetTextIndexed(chirp_name, sizeof(chirp_name), chirp_model, kChirpTypes);
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}
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}
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/********************************************************************************************/
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void ChirpServiceAllSensors(uint8_t job){
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for (uint32_t i = 0; i < chirp_found_sensors; i++) {
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if (chirp_sensor[i].version && !chirp_sensor[i].explicitSleep) {
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DEBUG_SENSOR_LOG(PSTR("CHIRP: prepare for sensor at address 0x%x"), chirp_sensor[i].address);
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switch(job){
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case 0:
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ChirpWriteI2CRegister(chirp_sensor[i].address, CHIRP_GET_CAPACITANCE);
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break;
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case 1:
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chirp_sensor[i].moisture = ChirpFinishReadI2CRegister16bit(chirp_sensor[i].address);
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break;
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case 2:
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ChirpWriteI2CRegister(chirp_sensor[i].address, CHIRP_GET_TEMPERATURE);
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break;
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case 3:
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chirp_sensor[i].temperature = ChirpFinishReadI2CRegister16bit(chirp_sensor[i].address);
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break;
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case 4:
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ChirpWriteI2CRegister(chirp_sensor[i].address, CHIRP_MEASURE_LIGHT);
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break;
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case 5:
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ChirpWriteI2CRegister(chirp_sensor[i].address, CHIRP_GET_LIGHT);
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break;
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case 6:
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chirp_sensor[i].light = ChirpFinishReadI2CRegister16bit(chirp_sensor[i].address);
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break;
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default:
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break;
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}
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}
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}
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}
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/********************************************************************************************/
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void ChirpEvery100MSecond(void)
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{
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// DEBUG_SENSOR_LOG(PSTR("CHIRP: every 100 mseconds, counter: %u, next job: %u"),chirp_timeout_count,chirp_next_job);
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if(chirp_timeout_count == 0) { //countdown complete, now do something
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switch(chirp_next_job) {
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case 0: //this should only be called after driver initialization
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DEBUG_SENSOR_LOG(PSTR("CHIRP: reset all"));
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ChirpResetAll();
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chirp_timeout_count = 10; // wait a second
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chirp_next_job++;
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break;
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case 1: // auto-sleep-wake seems to expose a fundamental I2C-problem of the sensor and is deactivated
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// DEBUG_SENSOR_LOG(PSTR("CHIRP: auto-wake all"));
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// ChirpAutoWakeAll(); // this is only a wake-up call at the start of next read cycle
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chirp_next_job++; // go on, next job should start in a second
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break;
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case 2:
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DEBUG_SENSOR_LOG(PSTR("CHIRP: prepare moisture read"));
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ChirpServiceAllSensors(0);
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chirp_timeout_count = 11; // wait 1.1 seconds,
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chirp_next_job++;
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break;
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case 3:
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DEBUG_SENSOR_LOG(PSTR("CHIRP: finish moisture read"));
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ChirpServiceAllSensors(1);
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chirp_next_job++;
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break;
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case 4:
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DEBUG_SENSOR_LOG(PSTR("CHIRP: prepare moisture read - 2nd"));
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ChirpServiceAllSensors(0);
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chirp_timeout_count = 11; // wait 1.1 seconds,
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chirp_next_job++;
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break;
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case 5:
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DEBUG_SENSOR_LOG(PSTR("CHIRP: finish moisture read - 2nd"));
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ChirpServiceAllSensors(1);
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chirp_next_job++;
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break;
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case 6:
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DEBUG_SENSOR_LOG(PSTR("CHIRP: prepare temperature read"));
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ChirpServiceAllSensors(2);
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chirp_timeout_count = 11; // wait 1.1 seconds,
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chirp_next_job++;
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break;
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case 7:
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DEBUG_SENSOR_LOG(PSTR("CHIRP: finish temperature read"));
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ChirpServiceAllSensors(3);
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chirp_next_job++;
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break;
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case 8:
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DEBUG_SENSOR_LOG(PSTR("CHIRP: prepare temperature read - 2nd"));
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ChirpServiceAllSensors(2);
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chirp_timeout_count = 11; // wait 1.1 seconds,
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chirp_next_job++;
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break;
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case 9:
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DEBUG_SENSOR_LOG(PSTR("CHIRP: finish temperature read - 2nd"));
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ChirpServiceAllSensors(3);
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chirp_next_job++;
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break;
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case 10:
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DEBUG_SENSOR_LOG(PSTR("CHIRP: start light measure process"));
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ChirpServiceAllSensors(4);
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chirp_timeout_count = 90; // wait 9 seconds,
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chirp_next_job++;
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break;
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case 11:
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DEBUG_SENSOR_LOG(PSTR("CHIRP: prepare light read"));
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ChirpServiceAllSensors(5);
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chirp_timeout_count = 11; // wait 1.1 seconds,
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chirp_next_job++;
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break;
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case 12:
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DEBUG_SENSOR_LOG(PSTR("CHIRP: finish light read"));
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ChirpServiceAllSensors(6);
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chirp_next_job++;
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break;
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case 13:
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DEBUG_SENSOR_LOG(PSTR("CHIRP: paused, waiting for TELE"));
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chirp_next_job++;
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break;
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case 14:
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if (Settings->tele_period > 16){
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chirp_timeout_count = (Settings->tele_period - 16) * 10; // sync it with the TELEPERIOD, we need about up to 16 seconds to measure
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DEBUG_SENSOR_LOG(PSTR("CHIRP: timeout 1/10 sec: %u, tele: %u"), chirp_timeout_count, Settings->tele_period);
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}
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else{
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AddLog(LOG_LEVEL_INFO, PSTR("CHIRP: TELEPERIOD must be > 16 seconds !"));
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// we could overwrite it to i.e. 20 seconds here
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}
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chirp_next_job = 1; // back to step 1
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break;
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}
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}
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else {
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chirp_timeout_count--; // count down
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}
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}
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/********************************************************************************************/
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// normaly in i18n.h
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#ifdef USE_WEBSERVER
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// {s} = <tr><th>, {m} = </th><td>, {e} = </td></tr>
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const char HTTP_SNS_DARKNESS[] PROGMEM = "{s} " D_JSON_DARKNESS "{m}%s %%{e}";
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const char HTTP_SNS_CHIRPVER[] PROGMEM = "{s} CHIRP-sensor %u at address{m}0x%x{e}"
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"{s} FW-version{m}%s {e}"; ;
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const char HTTP_SNS_CHIRPSLEEP[] PROGMEM = "{s} {m} is sleeping ...{e}";
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#endif // USE_WEBSERVER
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/********************************************************************************************/
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void ChirpShow(bool json)
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{
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for (uint32_t i = 0; i < chirp_found_sensors; i++) {
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if (chirp_sensor[i].version) {
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float t_temperature = ConvertTemp(((float)chirp_sensor[i].temperature )/10.0);
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char str_light[33];
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dtostrfd(chirp_sensor[i].light, 0, str_light);
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char str_version[7];
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if(chirp_sensor[i].version == 0xff){
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strncpy_P(str_version, PSTR("Chirp!"), sizeof(str_version));
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}
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else{
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sprintf(str_version, "%x", chirp_sensor[i].version);
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}
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if (json) {
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if(!chirp_sensor[i].explicitSleep) {
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ResponseAppend_P(PSTR(",\"%s%u\":{\"" D_JSON_MOISTURE "\":%d"), chirp_name, i, chirp_sensor[i].moisture);
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if(chirp_sensor[i].temperature!=-1){ // this is the error code -> no temperature
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ResponseAppend_P(PSTR(",\"" D_JSON_TEMPERATURE "\":%*_f"), Settings->flag2.temperature_resolution, &t_temperature);
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}
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ResponseAppend_P(PSTR(",\"" D_JSON_DARKNESS "\":%s}"),str_light);
|
|
}
|
|
else {
|
|
ResponseAppend_P(PSTR(",\"%s%u\":{\"sleeping\"}"),chirp_name, i);
|
|
}
|
|
#ifdef USE_DOMOTICZ
|
|
if (0 == TasmotaGlobal.tele_period) {
|
|
DomoticzTempHumPressureSensor(t_temperature, chirp_sensor[i].moisture);
|
|
DomoticzSensor(DZ_ILLUMINANCE,chirp_sensor[i].light); // this is not LUX!!
|
|
}
|
|
#endif // USE_DOMOTICZ
|
|
#ifdef USE_WEBSERVER
|
|
} else {
|
|
WSContentSend_PD(HTTP_SNS_CHIRPVER, i, chirp_sensor[i].address, str_version);
|
|
if (chirp_sensor[i].explicitSleep){
|
|
WSContentSend_PD(HTTP_SNS_CHIRPSLEEP);
|
|
}
|
|
else {
|
|
WSContentSend_PD(HTTP_SNS_MOISTURE, "", chirp_sensor[i].moisture);
|
|
WSContentSend_PD(HTTP_SNS_DARKNESS, str_light);
|
|
if (chirp_sensor[i].temperature!=-1) { // this is the error code -> no temperature
|
|
WSContentSend_Temp("", t_temperature);
|
|
}
|
|
}
|
|
|
|
#endif // USE_WEBSERVER
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/*********************************************************************************************\
|
|
* check the Chirp commands
|
|
\*********************************************************************************************/
|
|
|
|
bool ChirpCmd(void) {
|
|
char command[CMDSZ];
|
|
bool serviced = true;
|
|
uint8_t disp_len = strlen(D_CMND_CHIRP);
|
|
|
|
if (!strncasecmp_P(XdrvMailbox.topic, PSTR(D_CMND_CHIRP), disp_len)) { // prefix
|
|
int command_code = GetCommandCode(command, sizeof(command), XdrvMailbox.topic + disp_len, kCHIRP_Commands);
|
|
|
|
switch (command_code) {
|
|
case CMND_CHIRP_SELECT:
|
|
case CMND_CHIRP_SET:
|
|
if (XdrvMailbox.data_len > 0) {
|
|
if (command_code == CMND_CHIRP_SELECT) { ChirpSelect(XdrvMailbox.payload); } //select active sensor, i.e. for wake, sleep or reset
|
|
if (command_code == CMND_CHIRP_SET) { ChirpSet((uint8_t)XdrvMailbox.payload); } //set and change I2C-address of selected sensor
|
|
Response_P(S_JSON_CHIRP_COMMAND_NVALUE, command, XdrvMailbox.payload);
|
|
}
|
|
else {
|
|
if (command_code == CMND_CHIRP_SELECT) { ChirpSelect(255); } //show active sensor
|
|
Response_P(S_JSON_CHIRP_COMMAND, command, XdrvMailbox.payload);
|
|
}
|
|
break;
|
|
case CMND_CHIRP_SCAN:
|
|
case CMND_CHIRP_SLEEP:
|
|
case CMND_CHIRP_WAKE:
|
|
case CMND_CHIRP_RESET:
|
|
if (command_code == CMND_CHIRP_SCAN) { chirp_next_job = 0;
|
|
ChirpDetect(); } // this will re-init the sensor array
|
|
if (command_code == CMND_CHIRP_SLEEP) { chirp_sensor[chirp_current].explicitSleep = true; // we do not touch this sensor in the read functions
|
|
ChirpSleep(chirp_sensor[chirp_current].address); }
|
|
if (command_code == CMND_CHIRP_WAKE) { chirp_sensor[chirp_current].explicitSleep = false; // back in action
|
|
ChirpReadVersion(chirp_sensor[chirp_current].address); } // just use read version as wakeup call
|
|
if (command_code == CMND_CHIRP_RESET) { ChirpReset(chirp_sensor[chirp_current].address); }
|
|
Response_P(S_JSON_CHIRP_COMMAND, command, XdrvMailbox.payload);
|
|
break;
|
|
default:
|
|
// else for Unknown command
|
|
serviced = false;
|
|
break;
|
|
}
|
|
} else {
|
|
serviced = false;
|
|
}
|
|
return serviced;
|
|
}
|
|
|
|
/*********************************************************************************************\
|
|
* Interface
|
|
\*********************************************************************************************/
|
|
|
|
bool Xsns48(uint32_t function)
|
|
{
|
|
if (!I2cEnabled(XI2C_33)) { return false; }
|
|
|
|
bool result = false;
|
|
|
|
switch (function) {
|
|
case FUNC_EVERY_100_MSECOND:
|
|
if(chirp_found_sensors > 0){
|
|
ChirpEvery100MSecond();
|
|
}
|
|
break;
|
|
case FUNC_COMMAND:
|
|
result = ChirpCmd();
|
|
break;
|
|
case FUNC_JSON_APPEND:
|
|
ChirpShow(1);
|
|
break;
|
|
#ifdef USE_WEBSERVER
|
|
case FUNC_WEB_SENSOR:
|
|
ChirpShow(0);
|
|
break;
|
|
#endif // USE_WEBSERVER
|
|
case FUNC_INIT:
|
|
ChirpDetect(); // We can call CHIRPSCAN later to re-detect
|
|
break;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
#endif // USE_CHIRP
|
|
#endif // USE_I2C
|