262 lines
8.1 KiB
C++
262 lines
8.1 KiB
C++
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (C) 2023-2024 Thomas Basler and others
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*/
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#include "HoymilesRadio_CMT.h"
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#include "Hoymiles.h"
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#include "crc.h"
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#include <FunctionalInterrupt.h>
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uint32_t HoymilesRadio_CMT::getFrequencyFromChannel(const uint8_t channel) const
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{
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return (_radio->getBaseFrequency() + channel * getChannelWidth());
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}
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uint8_t HoymilesRadio_CMT::getChannelFromFrequency(const uint32_t frequency) const
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{
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if ((frequency % getChannelWidth()) != 0) {
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Hoymiles.getMessageOutput()->printf("%.3f MHz is not divisible by %d kHz!\r\n", frequency / 1000000.0, getChannelWidth());
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return 0xFF; // ERROR
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}
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if (frequency < getMinFrequency() || frequency > getMaxFrequency()) {
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Hoymiles.getMessageOutput()->printf("%.2f MHz is out of Hoymiles/CMT range! (%.2f MHz - %.2f MHz)\r\n",
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frequency / 1000000.0, getMinFrequency() / 1000000.0, getMaxFrequency() / 1000000.0);
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return 0xFF; // ERROR
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}
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if (_radio->getCountryMode() == CountryFrequency_t::MODE_860 && (frequency < 863000000 || frequency > 870000000)) {
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Hoymiles.getMessageOutput()->printf("!!! caution: %.2f MHz is out of EU legal range! (863 - 870 MHz)\r\n",
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frequency / 1000000.0);
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}
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if (_radio->getCountryMode() == CountryFrequency_t::MODE_900 && (frequency < 902000000 || frequency > 928000000)) {
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Hoymiles.getMessageOutput()->printf("!!! caution: %.2f MHz is out of North America legal range! (902 - 928 MHz)\r\n",
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frequency / 1000000.0);
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}
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return (frequency - _radio->getBaseFrequency()) / getChannelWidth(); // frequency to channel
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}
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bool HoymilesRadio_CMT::cmtSwitchDtuFreq(const uint32_t to_frequency)
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{
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const uint8_t toChannel = getChannelFromFrequency(to_frequency);
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if (toChannel == 0xFF) {
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return false;
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}
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_radio->setChannel(toChannel);
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return true;
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}
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void HoymilesRadio_CMT::init(const int8_t pin_sdio, const int8_t pin_clk, const int8_t pin_cs, const int8_t pin_fcs, const int8_t pin_gpio2, const int8_t pin_gpio3)
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{
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_dtuSerial.u64 = 0;
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_radio.reset(new CMT2300A(pin_sdio, pin_clk, pin_cs, pin_fcs));
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_radio->begin();
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cmtSwitchDtuFreq(_inverterTargetFrequency); // start dtu at work freqency, for fast Rx if inverter is already on and frequency switched
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if (!_radio->isChipConnected()) {
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Hoymiles.getMessageOutput()->println("CMT: Connection error!!");
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return;
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}
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Hoymiles.getMessageOutput()->println("CMT: Connection successful");
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if (pin_gpio2 >= 0) {
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attachInterrupt(digitalPinToInterrupt(pin_gpio2), std::bind(&HoymilesRadio_CMT::handleInt1, this), RISING);
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_gpio2_configured = true;
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}
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if (pin_gpio3 >= 0) {
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attachInterrupt(digitalPinToInterrupt(pin_gpio3), std::bind(&HoymilesRadio_CMT::handleInt2, this), RISING);
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_gpio3_configured = true;
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}
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_isInitialized = true;
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}
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void HoymilesRadio_CMT::loop()
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{
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if (!_isInitialized) {
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return;
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}
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if (!_gpio3_configured) {
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if (_radio->rxFifoAvailable()) { // read INT2, PKT_OK flag
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_packetReceived = true;
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}
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}
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if (_packetReceived) {
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Hoymiles.getMessageOutput()->println("Interrupt received");
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while (_radio->available()) {
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if (!(_rxBuffer.size() > FRAGMENT_BUFFER_SIZE)) {
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fragment_t f;
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memset(f.fragment, 0xcc, MAX_RF_PAYLOAD_SIZE);
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f.len = _radio->getDynamicPayloadSize();
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f.channel = _radio->getChannel();
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f.rssi = _radio->getRssiDBm();
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f.wasReceived = false;
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f.mainCmd = 0x00;
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if (f.len > MAX_RF_PAYLOAD_SIZE) {
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f.len = MAX_RF_PAYLOAD_SIZE;
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}
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_radio->read(f.fragment, f.len);
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_rxBuffer.push(f);
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} else {
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Hoymiles.getMessageOutput()->println("CMT: Buffer full");
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_radio->flush_rx();
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}
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}
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_radio->flush_rx();
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_packetReceived = false;
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} else {
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// Perform package parsing only if no packages are received
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if (!_rxBuffer.empty()) {
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fragment_t f = _rxBuffer.back();
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if (checkFragmentCrc(f)) {
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const serial_u dtuId = convertSerialToRadioId(_dtuSerial);
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// The CMT RF module does not filter foreign packages by itself.
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// Has to be done manually here.
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if (memcmp(&f.fragment[5], &dtuId.b[1], 4) == 0) {
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std::shared_ptr<InverterAbstract> inv = Hoymiles.getInverterByFragment(f);
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if (nullptr != inv) {
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// Save packet in inverter rx buffer
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Hoymiles.getMessageOutput()->printf("RX %.2f MHz --> ", getFrequencyFromChannel(f.channel) / 1000000.0);
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dumpBuf(f.fragment, f.len, false);
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Hoymiles.getMessageOutput()->printf("| %d dBm\r\n", f.rssi);
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inv->addRxFragment(f.fragment, f.len);
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} else {
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Hoymiles.getMessageOutput()->println("Inverter Not found!");
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}
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}
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} else {
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Hoymiles.getMessageOutput()->println("Frame kaputt"); // ;-)
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}
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// Remove paket from buffer even it was corrupted
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_rxBuffer.pop();
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}
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}
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handleReceivedPackage();
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}
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void HoymilesRadio_CMT::setPALevel(const int8_t paLevel)
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{
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if (!_isInitialized) {
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return;
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}
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if (_radio->setPALevel(paLevel)) {
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Hoymiles.getMessageOutput()->printf("CMT TX power set to %d dBm\r\n", paLevel);
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} else {
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Hoymiles.getMessageOutput()->printf("CMT TX power %d dBm is not defined! (min: -10 dBm, max: 20 dBm)\r\n", paLevel);
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}
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}
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void HoymilesRadio_CMT::setInverterTargetFrequency(const uint32_t frequency)
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{
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_inverterTargetFrequency = frequency;
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if (!_isInitialized) {
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return;
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}
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cmtSwitchDtuFreq(_inverterTargetFrequency);
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}
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uint32_t HoymilesRadio_CMT::getInverterTargetFrequency() const
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{
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return _inverterTargetFrequency;
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}
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bool HoymilesRadio_CMT::isConnected() const
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{
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if (!_isInitialized) {
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return false;
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}
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return _radio->isChipConnected();
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}
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uint32_t HoymilesRadio_CMT::getMinFrequency() const
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{
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// frequency can not be lower than actual initailized base freq + 250000
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return _radio->getBaseFrequency() + getChannelWidth();
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}
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uint32_t HoymilesRadio_CMT::getMaxFrequency() const
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{
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// =923500, 0xFF does not work
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return _radio->getBaseFrequency() + 0xFE * getChannelWidth();
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}
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uint32_t HoymilesRadio_CMT::getChannelWidth()
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{
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return FH_OFFSET * CMT2300A_ONE_STEP_SIZE;
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}
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CountryFrequency_t HoymilesRadio_CMT::getCountryMode() const
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{
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return _radio->getCountryMode();
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}
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void HoymilesRadio_CMT::setCountryMode(CountryFrequency_t mode)
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{
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_radio->setCountryMode(mode);
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}
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uint32_t HoymilesRadio_CMT::getInvBootFrequency() const
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{
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// Hoymiles boot/init frequency after power up inverter or connection lost for 15 min
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switch(_radio->getCountryMode()) {
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case CountryFrequency_t::MODE_900:
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return 915000000;
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break;
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default:
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return 868000000;
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break;
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}
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}
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void ARDUINO_ISR_ATTR HoymilesRadio_CMT::handleInt1()
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{
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_packetSent = true;
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}
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void ARDUINO_ISR_ATTR HoymilesRadio_CMT::handleInt2()
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{
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_packetReceived = true;
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}
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void HoymilesRadio_CMT::sendEsbPacket(CommandAbstract& cmd)
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{
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cmd.incrementSendCount();
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cmd.setRouterAddress(DtuSerial().u64);
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_radio->stopListening();
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if (cmd.getDataPayload()[0] == 0x56) { // @todo(tbnobody) Bad hack to identify ChannelChange Command
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cmtSwitchDtuFreq(getInvBootFrequency());
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}
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Hoymiles.getMessageOutput()->printf("TX %s %.2f MHz --> ",
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cmd.getCommandName().c_str(), getFrequencyFromChannel(_radio->getChannel()) / 1000000.0);
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cmd.dumpDataPayload(Hoymiles.getMessageOutput());
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if (!_radio->write(cmd.getDataPayload(), cmd.getDataSize())) {
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Hoymiles.getMessageOutput()->println("TX SPI Timeout");
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}
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cmtSwitchDtuFreq(_inverterTargetFrequency);
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_radio->startListening();
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_busyFlag = true;
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_rxTimeout.set(cmd.getTimeout());
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}
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