106 lines
2.1 KiB
C++
106 lines
2.1 KiB
C++
#include <Arduino.h>
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#include "TxManage.h"
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extern void SerialReport(const char* hdr, const unsigned char* pData, const char* ftr);
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CTxManage::CTxManage(int TxEnbPin, USARTClass& serial) :
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m_Serial(serial),
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m_Frame(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_nTxEnbPin = TxEnbPin;
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}
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void CTxManage::begin()
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{
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pinMode(m_nTxEnbPin, OUTPUT);
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digitalWrite(m_nTxEnbPin, LOW);
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}
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void
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CTxManage::RequestOn()
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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::RequestOff()
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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::Start(const CProtocol& ref, unsigned long timenow, bool self)
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{
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m_Frame = ref;
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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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m_Frame.Data[0] = self ? 0x76 : 0x78;
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if(timenow == 0)
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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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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_nTxEnbPin, 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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_send();
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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_nTxEnbPin, 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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void
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CTxManage::_send()
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{
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// install on/off commands if required
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if(m_bOnReq) {
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m_bOnReq = false;
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m_Frame.Controller.Command = 0xa0;
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}
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else if(m_bOffReq) {
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m_bOffReq = false;
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m_Frame.Controller.Command = 0x05;
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}
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else {
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m_Frame.Controller.Command = 0x00;
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}
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// ensure CRC valid
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m_Frame.setCRC();
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// send to heater - using binary
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for(int i=0; i<24; i++) {
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m_Serial.write(m_Frame.Data[i]); // write native binary values
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}
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Report();
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}
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void
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CTxManage::Report()
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{
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SerialReport("Self ", m_Frame.Data, " ");
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}
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