mirror of
https://codeberg.org/mclemens/ubitxv6.git
synced 2024-09-30 02:16:10 -04:00
468 lines
13 KiB
C++
468 lines
13 KiB
C++
#include <Arduino.h>
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#include "nano_gui.h"
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#include "scratch_space.h"
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#include "settings.h"
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#include "tuner.h"
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/**
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* The CAT protocol is used by many radios to provide remote control to comptuers through
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* the serial port.
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*
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* This is very much a work in progress. Parts of this code have been liberally
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* borrowed from other GPLicensed works like hamlib.
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*
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* WARNING : This is an unstable version and it has worked with fldigi,
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* it gives time out error with WSJTX 1.8.0
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*/
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static const uint8_t FT817_MESSAGE_SIZE = 5;
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//Data is ordered parameters 1-4, then command code last
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enum CatDataIndex_e : uint8_t {
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P1 = 0,
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P2 = 1,
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P3 = 2,
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P4 = 3,
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CMD = 4
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};
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enum Ft817Command_e : uint8_t {
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//Listed in the order presented by FT-817ND_OM_ENG_E13771011.pdf
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OffBit = 0x80,
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LockOn = 0x00,
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LockOff = LockOn | OffBit,
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PttOn = 0x08,
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PttOff = PttOn | OffBit,
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SetFrequency = 0x01,//P1-P4 are BCD, 0x01 0x42 0x34 0x56 = 14.23456MHz
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OperatingMode = 0x07,//See OperatingMode_e for P1 decode
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ClarOn = 0x05,
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ClarOff = ClarOn | OffBit,
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ClarFrequency = 0xF5,//P1 is sign/direction (0x00 = +, - otherwise), P3-P4 are BCD, 0x12 0x34 = 12.34kHz
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VfoToggle = 0x81,
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SplitOn = 0x02,
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SplitOff = SplitOn | OffBit,
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RepeaterMode = 0x09,//See RepeaterMode_e for P1 decode
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RepeaterOffset = 0xF9,//P1-P4 are BCD
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CtcssDcsMode = 0x0A,//See CtcssDcsMode_e for P1 decode
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CtcssTone = 0x0B,//P1-P2 are BCD, 0x08 0x85 = 88.5MHz
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DcsTone = 0x0C,//P1-P2 are BCD, 0x00 0x23 = code 023
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ReadRxStatus = 0xE7,//Returns ReadRxStatus_t
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ReadTxStatus = 0xF7,//Returns ReadTxStatus_t
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ReadFreqAndMode = 0x03,//Returns current frequency (BCD, 4 bytes), then mode (OperatingMode_e)
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PowerOn = 0x0F,
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PowerOff = PowerOn | OffBit,
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};
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enum OperatingMode_e : uint8_t {
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LSB = 0x00,
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USB = 0x01,
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CW = 0x02,
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CWR = 0x03,//CW-reverse aka LSB CW
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AM = 0x04,
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FM = 0x08,
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DIG = 0x0A,
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PKT = 0x0C,
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};
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enum RepeaterMode_e : uint8_t {
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ShiftMinus = 0x09,
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ShiftPlus = 0x49,
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Simplex = 0x89,
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};
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enum CtcssDcsMode_e : uint8_t {
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DcsOn = 0x0A,
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CtcssOn = 0x2A,
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EncoderOn = 0x4A,
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Off = 0x8A,
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};
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struct ReadRxStatus_t {
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//Bitfields are not defined by the standard to be portable, which is unfortunate
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uint8_t Smeter : 4;//0x00 = S0, 0x09 = S9, etc.
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uint8_t Dummy : 1;
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uint8_t DiscriminatorCenteringOff : 1;
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uint8_t CodeUnmatched : 1;
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uint8_t SquelchSuppressionActive : 1;
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};
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struct ReadTxStatus_t {
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//Bitfields are not defined by the standard to be portable, which is unfortunate
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uint8_t PowerOutputMeter : 4;
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uint8_t Dummy : 1;
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uint8_t SplitOff : 1;
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uint8_t HighSwrDetected : 1;
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uint8_t PttOff : 1;
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};
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//for broken protocol
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static const uint16_t CAT_RECEIVE_TIMEOUT_MS = 500;
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static const uint8_t ACK = 0;
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uint8_t setHighNibble(uint8_t b, uint8_t v) {
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// Clear the high nibble
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b &= 0x0f;
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// Set the high nibble
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return b | ((v & 0x0f) << 4);
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}
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uint8_t setLowNibble(uint8_t b, uint8_t v) {
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// Clear the low nibble
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b &= 0xf0;
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// Set the low nibble
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return b | (v & 0x0f);
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}
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uint8_t getHighNibble(uint8_t b) {
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return (b >> 4) & 0x0f;
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}
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uint8_t getLowNibble(uint8_t b) {
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return b & 0x0f;
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}
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// Takes a number and produces the requested number of decimal digits, staring
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// from the least significant digit.
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//
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void getDecimalDigits(unsigned long number, uint8_t* result,int digits) {
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for (int i = 0; i < digits; i++) {
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// "Mask off" (in a decimal sense) the LSD and return it
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result[i] = number % 10;
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// "Shift right" (in a decimal sense)
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number /= 10;
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}
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}
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// Takes a frequency and writes it into the CAT command buffer in BCD form.
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//
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void writeFreq(unsigned long freq, uint8_t* cmd) {
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// Convert the frequency to a set of decimal digits. We are taking 9 digits
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// so that we can get up to 999 MHz. But the protocol doesn't care about the
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// LSD (1's place), so we ignore that digit.
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uint8_t digits[9];
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getDecimalDigits(freq,digits,9);
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// Start from the LSB and get each nibble
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cmd[P4] = setLowNibble(cmd[P4],digits[1]);
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cmd[P4] = setHighNibble(cmd[P4],digits[2]);
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cmd[P3] = setLowNibble(cmd[P3],digits[3]);
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cmd[P3] = setHighNibble(cmd[P3],digits[4]);
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cmd[P2] = setLowNibble(cmd[P2],digits[5]);
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cmd[P2] = setHighNibble(cmd[P2],digits[6]);
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cmd[P1] = setLowNibble(cmd[P1],digits[7]);
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cmd[P1] = setHighNibble(cmd[P1],digits[8]);
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}
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// This function takes a frquency that is encoded using 4 uint8_ts of BCD
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// representation and turns it into an long measured in Hz.
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//
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// [12][34][56][78] = 123.45678? Mhz
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//
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uint32_t readFreq(uint8_t* cmd) {
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// Pull off each of the digits
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unsigned long ret = 0;
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for(uint8_t i = 0; i < 4; ++i){
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const uint8_t d1 = getHighNibble(cmd[i]);
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const uint8_t d0 = getLowNibble(cmd[i]);
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ret *= 100;
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ret += 10*d1 + d0;
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}
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return ret*10;
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}
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//void ReadEEPRom_FT817(uint8_t fromType)
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void catReadEEPRom(uint8_t* cat)
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{
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//for remove warnings
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uint8_t temp0 = cat[P1];
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uint8_t temp1 = cat[P2];
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cat[P1] = 0;
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cat[P2] = 0;
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//for remove warnings[1] = 0;
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switch (temp1)
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{
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case 0x45 : //
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if (temp0 == 0x03)
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{
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cat[P1] = 0x00;
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cat[P2] = 0xD0;
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}
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break;
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case 0x47 : //
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if (temp0 == 0x03)
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{
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cat[P1] = 0xDC;
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cat[P2] = 0xE0;
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}
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break;
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case 0x55 :
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//0 : VFO A/B 0 = VFO-A, 1 = VFO-B
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//1 : MTQMB Select 0 = (Not MTQMB), 1 = MTQMB ("Memory Tune Quick Memory Bank")
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//2 : QMB Select 0 = (Not QMB), 1 = QMB ("Quick Memory Bank")
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//3 :
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//4 : Home Select 0 = (Not HOME), 1 = HOME memory
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//5 : Memory/MTUNE select 0 = Memory, 1 = MTUNE
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//6 :
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//7 : MEM/VFO Select 0 = Memory, 1 = VFO (A or B - see bit 0)
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cat[P1] = 0x80 + ((VFO_B == globalSettings.activeVfo) ? 1 : 0);
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cat[P2] = 0x00;
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break;
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case 0x57 : //
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//0 : 1-0 AGC Mode 00 = Auto, 01 = Fast, 10 = Slow, 11 = Off
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//2 DSP On/Off 0 = Off, 1 = On (Display format)
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//4 PBT On/Off 0 = Off, 1 = On (Passband Tuning)
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//5 NB On/Off 0 = Off, 1 = On (Noise Blanker)
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//6 Lock On/Off 0 = Off, 1 = On (Dial Lock)
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//7 FST (Fast Tuning) On/Off 0 = Off, 1 = On (Fast tuning)
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cat[P1] = 0xC0;
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cat[P2] = 0x40;
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break;
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case 0x59 : // band select VFO A Band Select 0000 = 160 M, 0001 = 75 M, 0010 = 40 M, 0011 = 30 M, 0100 = 20 M, 0101 = 17 M, 0110 = 15 M, 0111 = 12 M, 1000 = 10 M, 1001 = 6 M, 1010 = FM BCB, 1011 = Air, 1100 = 2 M, 1101 = UHF, 1110 = (Phantom)
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//http://www.ka7oei.com/ft817_memmap.html
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//CAT_BUFF[0] = 0xC2;
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//CAT_BUFF[1] = 0x82;
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break;
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case 0x5C : //Beep Volume (0-100) (#13)
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cat[P1] = 0xB2;
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cat[P2] = 0x42;
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break;
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case 0x5E :
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//3-0 : CW Pitch (300-1000 Hz) (#20) From 0 to E (HEX) with 0 = 300 Hz and each step representing 50 Hz
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//5-4 : Lock Mode (#32) 00 = Dial, 01 = Freq, 10 = Panel
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//7-6 : Op Filter (#38) 00 = Off, 01 = SSB, 10 = CW
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//CAT_BUFF[0] = 0x08;
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cat[P1] = (globalSettings.cwSideToneFreq - 300)/50;
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cat[P2] = 0x25;
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break;
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case 0x61 : //globalSettings.cwSideToneFreq (Volume) (#44)
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cat[P1] = globalSettings.cwSideToneFreq % 50;
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cat[P2] = 0x08;
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break;
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case 0x5F : //
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//4-0 CW Weight (1.:2.5-1:4.5) (#22) From 0 to 14 (HEX) with 0 = 1:2.5, incrementing in 0.1 weight steps
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//5 420 ARS (#2) 0 = Off, 1 = On
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//6 144 ARS (#1) 0 = Off, 1 = On
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//7 Sql/RF-G (#45) 0 = Off, 1 = On
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cat[P1] = 0x32;
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cat[P2] = 0x08;
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break;
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case 0x60 : //CW Delay (10-2500 ms) (#17) From 1 to 250 (decimal) with each step representing 10 ms
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cat[P1] = globalSettings.cwActiveTimeoutMs / 10;
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cat[P2] = 0x32;
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break;
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case 0x62 : //
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//5-0 CW Speed (4-60 WPM) (#21) From 0 to 38 (HEX) with 0 = 4 WPM and 38 = 60 WPM (1 WPM steps)
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//7-6 Batt-Chg (6/8/10 Hours (#11) 00 = 6 Hours, 01 = 8 Hours, 10 = 10 Hours
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//CAT_BUFF[0] = 0x08;
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cat[P1] = 1200 / globalSettings.cwDitDurationMs - 4;
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cat[P2] = 0xB2;
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break;
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case 0x63 : //
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//6-0 VOX Gain (#51) Contains 1-100 (decimal) as displayed
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//7 Disable AM/FM Dial (#4) 0 = Enable, 1 = Disable
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cat[P1] = 0xB2;
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cat[P2] = 0xA5;
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break;
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case 0x64 : //
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break;
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case 0x67 : //6-0 SSB Mic (#46) Contains 0-100 (decimal) as displayed
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cat[P1] = 0xB2;
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cat[P2] = 0xB2;
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break;
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case 0x69 : //FM Mic (#29) Contains 0-100 (decimal) as displayed
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case 0x78 :
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if (VfoMode_e::VFO_MODE_USB == GetActiveVfoMode())
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cat[P1] = OperatingMode_e::USB << 5;
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else
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cat[P1] = OperatingMode_e::LSB << 5;
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break;
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case 0x79 : //
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//1-0 TX Power (All bands) 00 = High, 01 = L3, 10 = L2, 11 = L1
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//3 PRI On/Off 0 = Off, 1 = On
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//DW On/Off 0 = Off, 1 = On
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//SCN (Scan) Mode 00 = No scan, 10 = Scan up, 11 = Scan down
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//ART On/Off 0 = Off, 1 = On
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cat[P1] = 0x00;
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cat[P2] = 0x00;
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break;
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case 0x7A : //SPLIT
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//7A 0 HF Antenna Select 0 = Front, 1 = Rear
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//7A 1 6 M Antenna Select 0 = Front, 1 = Rear
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//7A 2 FM BCB Antenna Select 0 = Front, 1 = Rear
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//7A 3 Air Antenna Select 0 = Front, 1 = Rear
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//7A 4 2 M Antenna Select 0 = Front, 1 = Rear
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//7A 5 UHF Antenna Select 0 = Front, 1 = Rear
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//7A 6 ? ?
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//7A 7 SPL On/Off 0 = Off, 1 = On
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cat[P1] = (globalSettings.splitOn ? 0xFF : 0x7F);
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break;
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case 0xB3 : //
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cat[P1] = 0x00;
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cat[P2] = 0x4D;
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break;
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}
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// sent the data
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Serial.write(cat, 2);
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}
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void processCatCommand(uint8_t* cmd) {
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uint8_t response[FT817_MESSAGE_SIZE] = {0};
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uint8_t response_length = 0;
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switch(cmd[CMD]){
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case Ft817Command_e::SetFrequency:
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{
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uint32_t f = readFreq(cmd);
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setFrequency(f);
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updateDisplay();
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response[0] = 0x00;
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response_length = 1;
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break;
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}
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case Ft817Command_e::SplitOn:
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globalSettings.splitOn = true;
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break;
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case Ft817Command_e::SplitOff:
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globalSettings.splitOn = false;
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break;
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case Ft817Command_e::ReadFreqAndMode:
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//First 4 bytes are the frequency
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writeFreq(GetActiveVfoFreq(),response);//bytes 0-3
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//Last byte is the mode
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if (VfoMode_e::VFO_MODE_USB == GetActiveVfoMode()){
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response[4] = OperatingMode_e::USB;
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}
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else{
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response[4] = OperatingMode_e::LSB;
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}
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Serial.write(response,5);
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break;
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case Ft817Command_e::OperatingMode:
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if(OperatingMode_e::LSB == cmd[P1] || OperatingMode_e::CWR == cmd[P1]){
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SetActiveVfoMode(VfoMode_e::VFO_MODE_LSB);
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}
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else{
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SetActiveVfoMode(VfoMode_e::VFO_MODE_USB);
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}
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response[0] = 0x00;
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response_length = 1;
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setFrequency(GetActiveVfoFreq());//Refresh frequency to get new mode to take effect
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updateDisplay();
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break;
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case Ft817Command_e::PttOn:
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if (!globalSettings.txActive) {
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response[0] = 0x00;
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globalSettings.txCatActive = true;
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startTx(globalSettings.tuningMode);
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}
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else {
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response[0] = 0xF0;
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}
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response_length = 1;
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updateDisplay();
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break;
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case Ft817Command_e::PttOff:
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if (globalSettings.txActive) {
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stopTx();
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}
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globalSettings.txCatActive = false;
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response[0] = 0x00;
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response_length = 1;
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updateDisplay();
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break;
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case Ft817Command_e::VfoToggle:
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if (Vfo_e::VFO_A == globalSettings.activeVfo){
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globalSettings.activeVfo = Vfo_e::VFO_B;
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}
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else{
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globalSettings.activeVfo = Vfo_e::VFO_A;
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}
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response[0] = 0x00;
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response_length = 1;
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updateDisplay();
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break;
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case 0xBB: //Read FT-817 EEPROM Data (for comfirtable)
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catReadEEPRom(cmd);
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break;
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case Ft817Command_e::ReadRxStatus:
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//We don't have visibility into these values, so just hard code stuff
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ReadRxStatus_t reply_status;
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reply_status.Dummy = 0;
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reply_status.Smeter = 9;//S9
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reply_status.SquelchSuppressionActive = 0;
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reply_status.DiscriminatorCenteringOff = 1;
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reply_status.CodeUnmatched = 0;
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response[0] = *(uint8_t*)&reply_status;
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response_length = 1;
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break;
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case Ft817Command_e::ReadTxStatus:
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{
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//We don't have visibility into some of these values, so just hard code stuff
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ReadTxStatus_t reply_status;
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reply_status.Dummy = 0;
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reply_status.HighSwrDetected = 0;
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reply_status.PowerOutputMeter = 0xF;
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reply_status.PttOff = !globalSettings.txActive;
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reply_status.SplitOff = !globalSettings.splitOn;
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response[0] = *(uint8_t*)&reply_status;
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response_length = 1;
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break;
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}
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default:
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response[0] = 0x00;
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response_length = 1;
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break;
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}
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Serial.write(response, response_length);
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}
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void checkCAT(){
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static uint8_t rx_buffer[FT817_MESSAGE_SIZE];
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static uint8_t current_index = 0;
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static uint32_t timeout = 0;
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//Check Serial Port Buffer
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if (Serial.available() == 0) { //Set Buffer Clear status
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if(timeout < millis()){
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current_index = 0;
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timeout = 0;
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}
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return;
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}
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else{
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if(0 == current_index){
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timeout = millis() + CAT_RECEIVE_TIMEOUT_MS;
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}
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rx_buffer[current_index] = Serial.read();
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++current_index;
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if(current_index < FT817_MESSAGE_SIZE){
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return;
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}
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}
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processCatCommand(rx_buffer);
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current_index = 0;
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timeout = 0;
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}
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