112 lines
3.2 KiB
C++
112 lines
3.2 KiB
C++
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#include "singlestack.h"
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singleStack::singleStack(uint32_t firstPacketIndex, ADC_ns::bitDepth bitDepth, QList<ADCChannel *> * channelsConfig, int channelOffset, QObject *parent)
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: QObject{parent},
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_bitDepth(bitDepth),
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_channelsCount(0),
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_tachoOffset(0),
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_bytesInSample(2),
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_firstPacketIndex(firstPacketIndex)
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{
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for (int __i = 0; __i < 45; __i++) {
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_packets[__i] = QByteArray();
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}
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double __baseFactor = 0;
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if (bitDepth == ADC_ns::bitDepth::BIT16) {
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__baseFactor = (double)12500/32768;
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_bytesInSample = 2;
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} else if (bitDepth == ADC_ns::bitDepth::BIT24) {
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__baseFactor = (double)12500/8388608;
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_bytesInSample = 3;
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}
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for (int i=0; i<channelsConfig->count(); i++) {
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_channelFactors[i] = __baseFactor * channelsConfig->at(i)->getFactor() / 1000; // mV -> V
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}
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_tachoOffset = _bytesInSample * channelOffset * channelsConfig->count() + DATA_OFFSET;
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_channelsCount = channelsConfig->count();
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}
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void singleStack::insert(int index, QByteArray packet)
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{
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_packets[index] = packet;
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}
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double singleStack::getValue(int packet, uint8_t channel, int sampleNo)
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{
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trans_ns::bytes2word __point;
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trans_ns::bytes2long __longPoint;
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int __pointOffset = (channel + _channelsCount * sampleNo) * _bytesInSample + DATA_OFFSET;
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if (_packets[packet].size() < __pointOffset + _bytesInSample) {
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return (double)0;
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} else {
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if (_bytesInSample == 2) {
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__point.bytes.L = _packets[packet][__pointOffset];
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__point.bytes.H = _packets[packet][__pointOffset + 1];
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return (double)((int16_t)__point.word * _channelFactors[channel]);
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} else if (_bytesInSample == 3) {
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__longPoint.bytes.LL = _packets[packet][__pointOffset];
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__longPoint.bytes.LH = _packets[packet][__pointOffset + 1];
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__longPoint.bytes.HL = _packets[packet][__pointOffset + 2];
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if (__longPoint.bytes.HL > 127) {
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__longPoint.bytes.HH = 0xFF;
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} else {
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__longPoint.bytes.HH = 0x00;
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}
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return (double)((int32_t)__longPoint.twinWord * _channelFactors[channel]);
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} else return (double)0;
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}
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}
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bool singleStack::getTachoValue(int packet, int point)
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{
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trans_ns::byte2bits __byte;
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int __byteOffset = _tachoOffset + (int)(point / 8);
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int __bitOffset = point % 8;
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if (_packets[packet].size() < __byteOffset + 1) {
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return false;
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} else {
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__byte.byte = _packets[packet][__byteOffset];
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switch (__bitOffset) {
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case 0:
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return __byte.bits.a0 == 1;
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break;
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case 1:
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return __byte.bits.a1 == 1;
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break;
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case 2:
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return __byte.bits.a2 == 1;
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break;
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case 3:
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return __byte.bits.a3 == 1;
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break;
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case 4:
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return __byte.bits.a4 == 1;
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break;
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case 5:
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return __byte.bits.a5 == 1;
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break;
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case 6:
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return __byte.bits.a6 == 1;
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break;
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case 7:
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return __byte.bits.a7 == 1;
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break;
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default: return false;
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}
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}
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}
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