1325ae6038
Changed "USB" to "DebugPort" Tidy up of blue wire data frames and passing about by reference instead of just the data buffer. Added AppInventor application
114 lines
3.1 KiB
C++
114 lines
3.1 KiB
C++
#include "TxManage.h"
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#include "NVStorage.h"
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extern void DebugReportFrame(const char* hdr, const CProtocol&, const char* ftr);
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CTxManage::CTxManage(int TxGatePin, HardwareSerial& serial) :
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m_BlueWireSerial(serial),
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m_TxFrame(CProtocol::CtrlMode)
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{
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m_bOnReq = false;
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m_bOffReq = false;
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m_bTxPending = false;
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m_nStartTime = 0;
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m_nTxGatePin = TxGatePin;
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}
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void CTxManage::begin()
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{
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pinMode(m_nTxGatePin, OUTPUT);
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digitalWrite(m_nTxGatePin, LOW);
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}
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void
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CTxManage::queueOnRequest()
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{
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m_bOnReq = true;
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}
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void
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CTxManage::queueOffRequest()
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{
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m_bOffReq = true;
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}
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void
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CTxManage::PrepareFrame(const CProtocol& basisFrame, bool isBTCmaster)
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{
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// copy supplied frame, typically this will be the values an OEM controller delivered
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// which means we parrot that data by default.
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// When parroting, we must especially avoid ping ponging "set temperature"!
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// Otherwise we are supplied with the default params for standalone mode, which we
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// then instil the NV parameters
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m_TxFrame = basisFrame;
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// ALWAYS install on/off commands if required
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m_TxFrame.resetCommand(); // no command upon blue wire initially, unless a request is pending
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if(m_bOnReq) {
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m_bOnReq = false;
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m_TxFrame.onCommand();
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}
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if(m_bOffReq) {
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m_bOffReq = false;
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m_TxFrame.offCommand();
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}
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// 0x78 prevents the controller showing bum information when we parrot the OEM controller
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// heater is happy either way, the OEM controller has set the max/min stuff already
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if(isBTCmaster) {
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m_TxFrame.setActiveMode(); // this allows heater to svae the tuning params to EEPROM
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m_TxFrame.setFan_Min(pNVStorage->getFmin());
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m_TxFrame.setFan_Max(pNVStorage->getFmax());
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m_TxFrame.setPump_Min(pNVStorage->getPmin());
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m_TxFrame.setPump_Max(pNVStorage->getPmax());
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m_TxFrame.setThermostatMode(pNVStorage->getThermostatMode());
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m_TxFrame.setTemperature_Desired(pNVStorage->getTemperature());
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}
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else {
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m_TxFrame.setPassiveMode(); // this prevents the tuning parameters being saved by heater
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}
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// ensure CRC valid
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m_TxFrame.setCRC();
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}
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void
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CTxManage::Start(unsigned long timenow)
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{
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if(timenow == 0) // avoid a black hole if millis() wraps
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timenow++;
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m_nStartTime = timenow;
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m_bTxPending = true;
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}
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// generate a Tx Gate, then send the TxFrame to the Blue wire
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// Note the serial data is ISR driven, we need to hold off
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// for a while to let teh buffewred dat clear before closing the Tx Gate.
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bool
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CTxManage::CheckTx(unsigned long timenow)
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{
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if(m_nStartTime) {
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long diff = timenow - m_nStartTime;
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if(diff > m_nStartDelay) {
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// begin front porch of Tx gating pulse
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digitalWrite(m_nTxGatePin, HIGH);
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}
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if(m_bTxPending && (diff > (m_nStartDelay + m_nFrontPorch))) {
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// begin serial transmission
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m_bTxPending = false;
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m_BlueWireSerial.write(m_TxFrame.Data, 24); // write native binary values
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DebugReportFrame("BTC ", m_TxFrame, " "); // report frame to debug port
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}
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if(diff > (m_nStartDelay + m_nFrameTime)) {
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// conclude Tx gating
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m_nStartTime = 0;
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digitalWrite(m_nTxGatePin, LOW);
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}
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}
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return m_nStartTime == 0;
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}
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