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Copy pathNanoVNA_v2_comms.cpp
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NanoVNA_v2_comms.cpp
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#pragma hdrstop
#include "NanoVNA_v2_comms.h"
#include "CommsUnit.h"
#include "DataUnit.h"
#include "Unit1.h"
#include "SettingsUnit.h"
#pragma package(smart_init)
// *******************************
// Normal mode
// tx: 00 00 00 00 00 00 00 00 20 26 02 0D
// rx: 32 ACK
// tx: 10 F0
// rx: 02 DEVICE VARIANT
// tx: 10 F1
// rx: 01 PROTOCOL VERSION
// tx: 10 F2
// rx: 02 HARDWARE REVISION
// tx: 10 F3 10 F4
// rx: 01 02 FIRMWARE VERSION
// DFU mode
// tx: 00 00 00 00 00 00 00 00 20 26 02 0D
// rx: 32 ACK
// tx: 10 F0
// rx: 02 DEVICE VARIANT
// tx: 10 F1
// rx: 01 PROTOCOL VERSION
// tx: 10 F2
// rx: 00 HARDWARE REVISION
// tx: 10 F3 10 F4
// rx: FF 00 FIRMWARE VERSION
// *******************************
CNanoVNA2Comms nanovna2_comms;
CNanoVNA2Comms::CNanoVNA2Comms()
{
m_capture_bm = NULL;
reset(false);
m_mode = MODE_NONE;
}
CNanoVNA2Comms::~CNanoVNA2Comms()
{
if (m_capture_bm)
{
delete m_capture_bm;
m_capture_bm = NULL;
}
}
void __fastcall CNanoVNA2Comms::resetScan()
{
m_start = -1;
m_step = -1;
m_points_per_segment = 0;
m_data_points_per_frequency = 0;
}
void __fastcall CNanoVNA2Comms::reset(const bool reset_vna)
{
if (m_capture_bm)
{
delete m_capture_bm;
m_capture_bm = NULL;
}
m_tx_cmd.resize(0);
m_mode = MODE_INIT1;
m_new_mode = MODE_INIT1;
m_retries = 0;
m_get_screen_capture = false;
m_pause_comms = false;
m_usb_data_mode = false;
m_poll_ms = DEFAULT_POLL_V2_MS;
m_state_timeout_ms = DEFAULT_STATE_TIME_OUT_V2_MS;
resetScan();
// if (reset_vna)
// leaveUSBDataMode(true);
}
void __fastcall CNanoVNA2Comms::setMode(const t_mode mode)
{
// request a new mode
m_new_mode = mode;
const t_mode prev_mode = m_mode;
m_mode = mode;
if (mode != prev_mode)
{
m_retries = 0;
if (prev_mode > MODE_IDLE)
{
if (mode == MODE_IDLE)
{
if (prev_mode == MODE_SINGLE_SCAN || prev_mode == MODE_SCAN || prev_mode == MODE_GENERATOR)
{
Form1->pushCommMessage("tx: clearing FIFO buffer");
addTxNulls();
//addTxNulls(true, 0);
//addTxWrite1(REG_V2_VALUES_FIFO, 0);
sendData();
m_tx_cmd.resize(0);
leaveUSBDataMode(false);
}
if (prev_mode != MODE_POLL)
{
m_mode = MODE_POLL;
poll();
}
}
}
}
}
void __fastcall CNanoVNA2Comms::sendData(void *data, int size)
{
if (data == NULL && size < 0)
{
data = &m_tx_cmd[0];
size = m_tx_cmd.size();
}
if (!data || size <= 0 || !Form1)
return;
String s;
{
const uint8_t *ptr = (const uint8_t *)data;
for (int i = 0; i < size; i++)
{
String s2;
s2.printf(L" %02X", ptr[i]);
s += s2;
}
s = s.Trim();
}
if (Form1->m_comms.serial.connected)
{ // send the new command through the serial link
Form1->pushCommMessage("tx: " + s);
if (Form1->m_comms.serial.TxBytes(data, size) < size)
{ // failed
Form1->pushCommMessage("tx: error .. " + s);
//Form1->m_comms.serial.Disconnect();
//::PostMessage(Form1->Handle, WM_DISCONNECT, 0, 0);
return;
}
Form1->m_comms.rx_timer.mark();
}
#ifdef TCPIPH
if (Form1->m_comms.tcpip.connected)
{ // send the new command through the tcpip link
Form1->pushCommMessage("tx: " + s);
if (m_comms.tcpip.TxBytes(data, size) < size)
{ // failed
Form1->pushCommMessage("tx: " + String("error ") + m_comms.tcpip.lastErrorStr + " .. " + s);
//m_comms.tcpip.Disconnect();
//::PostMessage(Form1->Handle, WM_DISCONNECT, 0, 0);
return;
}
Form1->m_comms.rx_timer.mark();
}
#else
if (Form1->m_comms.tcpip)
{
try
{
if (Form1->m_comms.tcpip->Connected())
{ // send the new command through the tcpip link
Form1->pushCommMessage("tx: " + s);
TMemoryStream *stream = new TMemoryStream();
if (stream)
{
stream->Position = 0;
stream->Write(data, size);
stream->Position = 0;
Form1->m_comms.tcpip->IOHandler->Write(stream, 0, false);
delete stream;
Form1->m_comms.rx_timer.mark();
}
}
}
catch (Exception &exception)
{
//Application->ShowException(&exception);
Form1->pushCommMessage("tx: tcpip error " + exception.ToString());
}
}
#endif
}
bool __fastcall CNanoVNA2Comms::inDFUMode()
{
return (data_unit.m_vna_data.hardware_revision == REG_DFU_V2_HARDWARE_REVISION_ACK && data_unit.m_vna_data.firmware_major == REG_DFU_V2_FIRMWARE_MAJOR_ACK) ? true : false;
}
void __fastcall CNanoVNA2Comms::clearTxCommands()
{
m_tx_cmd.resize(0);
}
void __fastcall CNanoVNA2Comms::addTxNulls(const bool reset_buf, const int num)
{
if (reset_buf)
m_tx_cmd.resize(0);
for (int i = 0; i < num; i++)
m_tx_cmd.push_back(0x00);
}
void __fastcall CNanoVNA2Comms::addTxRead1(const uint8_t reg_addr)
{
m_tx_cmd.push_back(CMD_V2_READ_1);
m_tx_cmd.push_back(reg_addr);
}
void __fastcall CNanoVNA2Comms::addTxRead2(const uint8_t reg_addr)
{
m_tx_cmd.push_back(CMD_V2_READ_2);
m_tx_cmd.push_back(reg_addr);
}
void __fastcall CNanoVNA2Comms::addTxRead4(const uint8_t reg_addr)
{
m_tx_cmd.push_back(CMD_V2_READ_4);
m_tx_cmd.push_back(reg_addr);
}
void __fastcall CNanoVNA2Comms::addTxRead8(const uint8_t reg_addr)
{
m_tx_cmd.push_back(CMD_V2_READ_8);
m_tx_cmd.push_back(reg_addr);
}
//void __fastcall CNanoVNA2Comms::addTxRead8(const uint8_t reg_addr)
//{
// m_tx_cmd.push_back(CMD_V2_READ_8);
// m_tx_cmd.push_back(reg_addr);
//}
void __fastcall CNanoVNA2Comms::addTxWrite1(const uint8_t reg_addr, uint8_t value)
{
m_tx_cmd.push_back(CMD_V2_WRITE_1);
m_tx_cmd.push_back(reg_addr);
m_tx_cmd.push_back(value);
}
void __fastcall CNanoVNA2Comms::addTxWrite2(const uint8_t reg_addr, uint16_t value)
{
m_tx_cmd.push_back(CMD_V2_WRITE_2);
m_tx_cmd.push_back(reg_addr);
m_tx_cmd.push_back((uint8_t)(value & 0xff)); value >>= 8;
m_tx_cmd.push_back((uint8_t)(value & 0xff));
}
void __fastcall CNanoVNA2Comms::addTxWrite4(const uint8_t reg_addr, uint32_t value)
{
m_tx_cmd.push_back(CMD_V2_WRITE_4);
m_tx_cmd.push_back(reg_addr);
m_tx_cmd.push_back((uint8_t)(value & 0xff)); value >>= 8;
m_tx_cmd.push_back((uint8_t)(value & 0xff)); value >>= 8;
m_tx_cmd.push_back((uint8_t)(value & 0xff)); value >>= 8;
m_tx_cmd.push_back((uint8_t)(value & 0xff));
}
void __fastcall CNanoVNA2Comms::addTxWrite8(const uint8_t reg_addr, uint64_t value)
{
m_tx_cmd.push_back(CMD_V2_WRITE_8);
m_tx_cmd.push_back(reg_addr);
m_tx_cmd.push_back((uint8_t)(value & 0xff)); value >>= 8;
m_tx_cmd.push_back((uint8_t)(value & 0xff)); value >>= 8;
m_tx_cmd.push_back((uint8_t)(value & 0xff)); value >>= 8;
m_tx_cmd.push_back((uint8_t)(value & 0xff)); value >>= 8;
m_tx_cmd.push_back((uint8_t)(value & 0xff)); value >>= 8;
m_tx_cmd.push_back((uint8_t)(value & 0xff)); value >>= 8;
m_tx_cmd.push_back((uint8_t)(value & 0xff)); value >>= 8;
m_tx_cmd.push_back((uint8_t)(value & 0xff));
}
void __fastcall CNanoVNA2Comms::addTxUserArgument(const uint32_t arg)
{
// addTxNulls(); // reset the protocol to known state
addTxWrite4(REG_DFU_V2_USER_ARGUMENT, arg); // argument value
}
void __fastcall CNanoVNA2Comms::addTxFlashWriteAddr(const uint32_t addr)
{
Form1->printfCommMessage("tx:flash write address %0X08", addr);
// addTxNulls(); // reset the protocol to known state
addTxWrite4(REG_DFU_V2_FLASH_WRITE_START, addr); // flash address
}
void __fastcall CNanoVNA2Comms::addTxWriteFlashData(const bool reset_buf, std::vector <uint8_t> &data, const bool ack)
{
if (reset_buf)
m_tx_cmd.resize(0);
if (!data.empty() && data.size() <= 255)
{
Form1->printfCommMessage("tx:flash write data [%u]", data.size());
// add the flash data
m_tx_cmd.push_back(CMD_V2_WRITE_FIFO);
m_tx_cmd.push_back(REG_DFU_V2_FLASH_FIFO);
m_tx_cmd.push_back(data.size());
for (unsigned int i = 0; i < data.size(); i++)
m_tx_cmd.push_back(data[i]);
// we want an ACK back after it's written the data
if (ack)
m_tx_cmd.push_back(CMD_V2_INDICATE);
}
}
void __fastcall CNanoVNA2Comms::enterUSBDataMode(const bool send_nulls)
{
Form1->pushCommMessage("tx: enter USB data mode");
if (send_nulls)
addTxNulls(); // reset the protocol to known state
else
addTxNulls(true, 0);
addTxWrite1(REG_V2_RAW_SAMPLES_MODE, 0x01); // enter USB raw mode
sendData();
m_tx_cmd.resize(0);
m_usb_data_mode = true;
}
void __fastcall CNanoVNA2Comms::leaveUSBDataMode(const bool send_nulls)
{
Form1->pushCommMessage("tx: leave USB data mode");
if (send_nulls)
addTxNulls(); // reset the protocol to known state
else
addTxNulls(true, 0);
addTxWrite1(REG_V2_RAW_SAMPLES_MODE, 0x02); // leave USB raw mode
sendData();
m_tx_cmd.resize(0);
m_usb_data_mode = false;
}
void __fastcall CNanoVNA2Comms::setAverageSetting(int value)
{
if (value < REG_V2_AVERAGE_SETTING_MIN) value = REG_V2_AVERAGE_SETTING_MIN;
else
if (value > REG_V2_AVERAGE_SETTING_MAX) value = REG_V2_AVERAGE_SETTING_MAX;
Form1->printfCommMessage("tx: set average setting %d", value);
addTxNulls(true, 0);
addTxWrite1(REG_V2_AVERAGE_SETTING, value);
sendData();
m_tx_cmd.resize(0);
}
void __fastcall CNanoVNA2Comms::setSI5351OutputPower(int value)
{
if (value < REG_V2_SI5351_POWER_MIN || value > REG_V2_SI5351_POWER_MAX)
value = REG_V2_SI5351_POWER_MAX;
Form1->printfCommMessage("tx: set Si5351 output power %d", value);
addTxNulls(true, 0);
addTxWrite1(REG_V2_SI5351_POWER, value);
sendData();
m_tx_cmd.resize(0);
}
void __fastcall CNanoVNA2Comms::setADF4350OutputPower(int value)
{
if (value < REG_V2_ADF4350_POWER_MIN || value > REG_V2_ADF4350_POWER_MAX)
value = REG_V2_ADF4350_POWER_MAX;
Form1->printfCommMessage("tx: set ADF4350 output power %d", value);
addTxNulls(true, 0);
addTxWrite1(REG_V2_ADF4350_POWER, value);
sendData();
m_tx_cmd.resize(0);
}
void __fastcall CNanoVNA2Comms::setTime(int year, int month, int day, int hour, int min, int sec)
{
uint32_t a=((14-month)/12);
uint32_t y=year+4800-a;
uint32_t m=month+(12*a)-3;
uint32_t Uday=(day+((153*m+2)/5)+365*y+(y/4)-(y/100)+(y/400)-32045)-2440588;
uint32_t time = Uday*60*60*24 + sec + min*60 + hour*3600;
Form1->printfCommMessage("tx: set UNIX time %u", time);
nanovna2_comms.addTxWrite4(REG_V2_UNIX_TIME, time);
sendData();
m_tx_cmd.resize(0);
}
void __fastcall CNanoVNA2Comms::softReboot()
{
Form1->pushCommMessage("tx: request soft reboot");
addTxNulls(); // reset the protocol to known state
addTxWrite1(REG_DFU_V2_DO_REBOOT, 0x5E); // soft reboot the VNA
sendData();
m_tx_cmd.resize(0);
}
void __fastcall CNanoVNA2Comms::pauseComms(bool pause)
{
const bool was_paused = m_pause_comms;
m_pause_comms = pause;
// reset the link timer so as not to immediately timeout the link when it gets unpaused
if (Form1)
{
Form1->m_comms.rx_timer.mark();
Form1->m_comms.link_timer.mark();
}
if (pause)
return;
// un-paused
if (!was_paused)
return;
m_retries = 0;
// was paused, but no more
// do stuff that wasn't being done whilst we were paused
// poll();
if (m_mode != MODE_SCAN)
return;
// if (data_unit.m_vna_data.cmd_pause)
// enterUSBDataMode();
requestScan();
}
bool __fastcall CNanoVNA2Comms::requestCapture()
{ // request a screen capture from the VNA
if (!Form1)
return false;
if (m_mode != MODE_IDLE)
return false;
if (!m_get_screen_capture)
return false;
m_get_screen_capture = false;
memset(&m_cap_header, 0, sizeof(m_cap_header));
setMode(MODE_CAPTURE);
poll();
return true;
}
void __fastcall CNanoVNA2Comms::requestScan()
{
if (!Form1)
return;
const bool scanning = (m_mode == MODE_SINGLE_SCAN || m_mode == MODE_SCAN) ? true : false;
const bool generating = (m_mode == MODE_GENERATOR) ? true : false;
const int segments = data_unit.m_segments;
const int segment = data_unit.m_segment;
const int points_per_segment = data_unit.m_points_per_segment;
const int num_points = data_unit.m_points;
const uint64_t span = scanning ? data_unit.m_freq_span_Hz / segments : 0;
const uint64_t start = scanning ? data_unit.m_freq_start_Hz + (span * segment) : data_unit.m_freq_cw_Hz;
if (segments < 1 || points_per_segment < 8)
return;
const uint64_t step = (span + points_per_segment - 2) / (points_per_segment - 1);
const int points_per_frequency = 1;
const bool new_start = (m_start != start ||
m_step != step ||
m_points_per_segment != points_per_segment ||
m_data_points_per_frequency != points_per_frequency) ? true : false;
// global buffer
Form1->m_freq_data_list.resize(points_per_segment); // buffer size to the number of points we are to gather from the VNA
{
t_data_point fp;
for (unsigned int i = 0; i < Form1->m_freq_data_list.size(); i++)
Form1->m_freq_data_list[i] = fp;
}
// clear the incoming buffer
if (segment <= 0)
data_unit.m_point_incoming.resize(0);
if (new_start)
{
if (Form1)
Form1->pushCommMessage("tx: setting scan parameters");
// reset protocol to known state
addTxNulls();
if (settings.calibrationSelection == CAL_SELECT_VNA)
addTxWrite1(REG_V2_RAW_SAMPLES_MODE, 0x03); // enter USB calibrated mode
else
addTxWrite1(REG_V2_RAW_SAMPLES_MODE, 0x00); // enter USB mode
// clear the FIFO
//addTxWrite1(REG_V2_VALUES_FIFO, 0);
// start frequency
m_start = start;
addTxWrite8(REG_V2_SWEEP_START_HZ, start);
// step frequency
m_step = step;
addTxWrite8(REG_V2_SWEEP_STEP_HZ, step);
// number of points
m_points_per_segment = points_per_segment;
addTxWrite2(REG_V2_SWEEP_POINTS, points_per_segment);
// data points per frequency
m_data_points_per_frequency = points_per_frequency;
addTxWrite2(REG_V2_VALUES_PER_FREQUENCY, points_per_frequency);
sendData();
m_tx_cmd.resize(0);
}
m_points_requested = requestPoints(points_per_segment);
}
int __fastcall CNanoVNA2Comms::requestPoints(int num_points)
{
// request a number of frequency scanned points
m_tx_cmd.resize(0);
if (num_points <= 0)
return 0;
if (Form1)
Form1->printfCommMessage("tx: requesting %d points ..", num_points);
// reset protocol to known state
// addTxNulls();
addTxNulls(true, 0);
// clear the FIFO
// addTxWrite1(REG_V2_VALUES_FIFO, 0);
m_tx_cmd.push_back(CMD_V2_READ_FIFO);
m_tx_cmd.push_back(REG_V2_VALUES_FIFO);
m_tx_cmd.push_back(0); // tell it to send ALL the scan points in one go
/*
int points = num_points;
while (points > 0)
{
// we can only request up to a maximum of 255 points at a time
int n = points;
if (n > 255)
n = 255;
// if (n > 128)
// n = 128;
// request num_points
m_tx_cmd.push_back(CMD_V2_READ_FIFO);
m_tx_cmd.push_back(REG_V2_VALUES_FIFO);
m_tx_cmd.push_back(n);
points -= n;
}
*/
sendData();
m_tx_cmd.resize(0);
return num_points;
}
void __fastcall CNanoVNA2Comms::poll()
{
m_poll_timer.mark();
if (!Form1)
return;
switch (m_mode)
{
case MODE_NONE:
if (m_new_mode != m_mode)
{
m_tx_cmd.resize(0);
m_retries = 0;
m_mode = m_new_mode;
}
break;
case MODE_INIT1: // request a simple ACK to see if it's a V2 we're connected too
/* if (m_new_mode != m_mode)
{
m_tx_cmd.resize(0);
m_retries = 0;
m_mode = m_new_mode;
}
else
*/ {
// leave USB raw mode
leaveUSBDataMode(true);
// request an simple ACK
Form1->pushCommMessage("tx: are you a V2 ?");
addTxNulls(true, 0);
m_tx_cmd.push_back(CMD_V2_INDICATE);
sendData();
m_tx_cmd.resize(0);
m_retries++;
}
break;
case MODE_INIT2: // get the type of device
/* if (m_new_mode != m_mode)
{
m_tx_cmd.resize(0);
m_retries = 0;
m_mode = m_new_mode;
}
else
*/ {
Form1->pushCommMessage("tx: requesting device variant");
m_tx_cmd.resize(0);
addTxRead1(REG_V2_DEVICE_VARIANT);
sendData();
m_tx_cmd.resize(0);
m_retries++;
}
break;
case MODE_INIT3: // get the serial protocol version
/* if (m_new_mode != m_mode)
{
m_tx_cmd.resize(0);
m_retries = 0;
m_mode = m_new_mode;
}
else
*/ {
Form1->pushCommMessage("tx: requesting serial protocol version");
m_tx_cmd.resize(0);
addTxRead1(REG_V2_PROTCOL_VERSION);
sendData();
m_tx_cmd.resize(0);
m_retries++;
}
break;
case MODE_INIT4: // get the hardware revision and the firmware major and minor version
/* if (m_new_mode != m_mode)
{
m_tx_cmd.resize(0);
m_retries = 0;
m_mode = m_new_mode;
}
else
*/ {
Form1->pushCommMessage("tx: requesting hw-revision and fw-version");
m_tx_cmd.resize(0);
addTxRead1(REG_V2_HARDWARE_REVISION);
addTxRead1(REG_V2_FIRMWARE_MAJOR);
addTxRead1(REG_V2_FIRMWARE_MINOR);
addTxRead1(REG_V2_AVERAGE_SETTING);
sendData();
m_tx_cmd.resize(0);
m_retries++;
}
break;
case MODE_IDLE:
/* if (m_new_mode != m_mode)
{
m_tx_cmd.resize(0);
m_retries = 0;
m_mode = m_new_mode;
}
else
*/ {
}
break;
case MODE_POLL:
/* if (m_new_mode != m_mode)
{
m_tx_cmd.resize(0);
m_retries = 0;
m_mode = m_new_mode;
}
else
*/ if (!m_pause_comms)
{
Form1->pushCommMessage("tx: polling - requesting hw-revision and fw-version");
// addTxNulls();
addTxNulls(true, 0);
addTxRead1(REG_V2_HARDWARE_REVISION);
addTxRead1(REG_V2_FIRMWARE_MAJOR);
addTxRead1(REG_V2_FIRMWARE_MINOR);
addTxRead2(REG_V2_BATTERY);
sendData();
m_tx_cmd.resize(0);
m_retries++;
}
break;
case MODE_SINGLE_SCAN:
case MODE_SCAN:
case MODE_GENERATOR:
/* if (m_new_mode != m_mode)
{
m_tx_cmd.resize(0);
m_retries = 0;
m_mode = m_new_mode;
}
else
*/ {
}
break;
case MODE_CAPTURE:
/* if (m_new_mode != m_mode)
{
m_tx_cmd.resize(0);
m_retries = 0;
m_mode = m_new_mode;
}
else
*/ {
Form1->pushCommMessage("tx: requesting a screen capture");
memset(&m_cap_header, 0, sizeof(m_cap_header));
// addTxNulls();
addTxNulls(true, 0);
addTxWrite1(REG_V2_CAPTURE_SCREEN, settings.scrFormat);
sendData();
m_tx_cmd.resize(0);
m_retries++;
}
break;
case MODE_DFU_MODE: // don't do anything while the other window is uploading flash firmware
break;
default:
setMode(MODE_IDLE);
break;
}
}
void __fastcall CNanoVNA2Comms::newUnit()
{
String s;
if (Form1)
{
s = IntToHex((int)data_unit.m_vna_data.hardware_revision, 2) + " ..... HARDWARE REVISION";
Form1->pushCommMessage("rx: " + s);
s = IntToHex((int)data_unit.m_vna_data.firmware_major, 2) + " " + IntToHex((int)data_unit.m_vna_data.firmware_minor, 2) + " .. FIRMWARE VERSION";
Form1->pushCommMessage("rx: " + s);
Form1->pushCommMessage("rx: [connected to a V2]");
}
// ****************
data_unit.m_vna_data.type = UNIT_TYPE_NANOVNA_V2;
data_unit.m_vna_data.name = "NanoVNA-";
switch (data_unit.m_vna_data.hardware_revision)
{
case REG_V2_HARDWARE_REVISION_ACK_2_2:
if (data_unit.m_vna_data.firmware_major == 2) {
data_unit.m_vna_data.name += "LiteVNA";
data_unit.m_vna_data.max_points = 65535;
// data_unit.m_vna_data.hardware_revision = REG_V2_HARDWARE_REVISION_ACK_2_4;
} else {
data_unit.m_vna_data.name += "V2.2";
data_unit.m_vna_data.max_points = 1024;
}
break;
case REG_V2_HARDWARE_REVISION_ACK_2_3:
data_unit.m_vna_data.name += "V2Plus";
data_unit.m_vna_data.max_points = 1024;
break;
case REG_V2_HARDWARE_REVISION_ACK_2_4:
data_unit.m_vna_data.name += "V2Plus4";
data_unit.m_vna_data.max_points = 65535;
break;
case REG_DFU_V2_HARDWARE_REVISION_ACK:
data_unit.m_vna_data.name += "V2-DFU";
data_unit.m_vna_data.max_points = 201;
break;
default:
data_unit.m_vna_data.name += "?";
data_unit.m_vna_data.max_points = 1024;
break;
}
data_unit.m_vna_data.version.printf(L"v%u.%u", data_unit.m_vna_data.firmware_major, data_unit.m_vna_data.firmware_minor);
data_unit.m_vna_data.info.resize(0);
data_unit.m_vna_data.info.push_back(data_unit.m_vna_data.name);
s.printf(L"protocol v%u", data_unit.m_vna_data.protool_version);
data_unit.m_vna_data.info.push_back(s);
s.printf(L"hardware r%u", data_unit.m_vna_data.hardware_revision);
data_unit.m_vna_data.info.push_back(s);
s.printf(L"firmware v%u.%u", data_unit.m_vna_data.firmware_major, data_unit.m_vna_data.firmware_minor);
data_unit.m_vna_data.info.push_back(s);
s.printf(L"max points %d", data_unit.m_vna_data.max_points);
data_unit.m_vna_data.info.push_back(s);
// tell the exec we have found a VNA
if (Application->MainForm)
::PostMessage(Application->MainForm->Handle, WM_NEW_UNIT_TYPE, 0, 0);
// ****************
if (inDFUMode() && Form1)
Form1->pushCommMessage("rx: the unit is in DFU mode");
setMode(MODE_IDLE); // onto the next stage
}
int __fastcall CNanoVNA2Comms::processRx(t_serial_buffer &serial_buffer)
{
String s;
if (m_mode == MODE_NONE)
return 0;
if (!Form1)
return 0; // if the main form (window) is not there we can't use any of it's functions
const int size = serial_buffer.buffer_wr; // number of available RX bytes
int k = 0;
if (size <= 0)
return 0; // no data received
// process any received data
if (m_mode == MODE_INIT1)
{ // just want a simple reply
const uint8_t b = serial_buffer.buffer[k++]; // fetch an RX byte
s = IntToHex((int)b, 2);
if (b == CMD_V2_INDICATE_ACK)
s += " .. ACK OK";
Form1->pushCommMessage("rx: " + s);
if (b == CMD_V2_INDICATE_ACK)
{ // received the correct response
setMode(MODE_INIT2); // onto the next stage
poll();
m_tx_cmd.resize(0);
}
}
else
if (m_mode == MODE_INIT2)
{ // fetching the device variant
const uint8_t b = serial_buffer.buffer[k++]; // fetch an RX byte
s = IntToHex((int)b, 2);
if (b == REG_V2_DEVICE_VARIANT_ACK)
s += " .. DEVICE VARIANT OK";
Form1->pushCommMessage("rx: " + s);
if (b == REG_V2_DEVICE_VARIANT_ACK)
{ // received the correct response
setMode(MODE_INIT3); // onto the next stage
poll();
m_tx_cmd.resize(0);
}
}
else
if (m_mode == MODE_INIT3)
{ // fetching the serial protocol version
const uint8_t b = serial_buffer.buffer[k++]; // fetch an RX byte
data_unit.m_vna_data.protool_version = b;
s = IntToHex((int)b, 2);
if (b == REG_V2_PROTOCOL_VERSION_ACK)
s += " .. PROTOCOL VERSION OK";
Form1->pushCommMessage("rx: " + s);
if (b == REG_V2_PROTOCOL_VERSION_ACK)
{ // received the correct response
setMode(MODE_INIT4); // onto the next stage
poll();
m_tx_cmd.resize(0);
}
}
else
if (m_mode == MODE_INIT4)
{ // fetching the hardware revision
if (size >= 4)
{ // we have received enough bytes
// fetch them
const uint8_t b1 = serial_buffer.buffer[k++];
const uint8_t b2 = serial_buffer.buffer[k++];
const uint8_t b3 = serial_buffer.buffer[k++];
const uint8_t b4 = serial_buffer.buffer[k++];
data_unit.m_vna_data.hardware_revision = b1;
data_unit.m_vna_data.firmware_major = b2;
data_unit.m_vna_data.firmware_minor = b3;
data_unit.m_bandwidth_Hz = b4;
newUnit();
}
}
else
if (m_mode == MODE_IDLE)
{ // we're not doing anything with the VNA, just idling along
#if 1
// display all the received bytes (as hex)
s = "";
int i = 0;
while (k < (int)serial_buffer.buffer_wr)
{
String s2;
s2.printf(L" %02x", serial_buffer.buffer[k++]);
s += s2;
if (++i >= (int)sizeof(t_v2_fifo_sparam))
{
i = 0;
Form1->pushCommMessage("rx: *" + s);
s = "";
}
}
if (!s.IsEmpty())
{
Form1->pushCommMessage("rx: *" + s);
s = "";
}
#endif
}
else
if (m_mode == MODE_POLL)
{ // we are polling the VNA to see if it's still there and working OK
if (size >= 5)
{ // we have received enough bytes
// fetch them
const uint8_t b1 = serial_buffer.buffer[k++];
const uint8_t b2 = serial_buffer.buffer[k++];
const uint8_t b3 = serial_buffer.buffer[k++];
int value = serial_buffer.buffer[k++]|(serial_buffer.buffer[k++]<<8);
if (value > 0)
{