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stmdsp
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log conversion results to .csv

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pull/3/head
Clyne 4 years ago
parent 3113d96497
commit 86453bc8f4
4 changed files with 81 additions and 8 deletions
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24
gui/stmdsp.cpp
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@ -84,10 +84,26 @@ namespace stmdsp
std::vector<adcsample_t> device::continuous_read() {
if (connected()) {
m_serial.write("a");
std::vector<adcsample_t> data (2048);
m_serial.read(reinterpret_cast<uint8_t *>(data.data()), 2048 * sizeof(adcsample_t));
return data;
m_serial.write("s");
unsigned char sizebytes[2];
m_serial.read(sizebytes, 2);
unsigned int size = sizebytes[0] | (sizebytes[1] << 8);
if (size > 0) {
std::vector<adcsample_t> data (size);
unsigned int total = size * sizeof(adcsample_t);
unsigned int offset = 0;
while (total > 512) {
m_serial.read(reinterpret_cast<uint8_t *>(&data[0]) + offset, 512);
m_serial.write("n");
offset += 512;
total -= 512;
}
m_serial.read(reinterpret_cast<uint8_t *>(&data[0]) + offset, total);
m_serial.write("n");
return data;
}
}
return {};

31
gui/wxmain.cpp
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@ -143,7 +143,24 @@ void MainFrame::onCloseEvent(wxCloseEvent& event)
void MainFrame::onMeasureTimer([[maybe_unused]] wxTimerEvent&)
{
if (m_status_bar && m_device) {
if (m_conv_result_log != nullptr) {
static unsigned int counter = 0;
if (auto samples = m_device->continuous_read(); samples.size() > 0) {
for (auto& s : samples) {
auto str = wxString::Format("%u\n", s);
m_conv_result_log->Write(str.ToAscii(), str.Len());
}
counter++;
}
//if (counter == 20) {
// m_conv_result_log->Close();
// delete m_conv_result_log;
// m_conv_result_log = nullptr;
// counter = 0;
//}
} else if (m_status_bar && m_device) {
m_status_bar->SetStatusText(wxString::Format(wxT("Execution time: %u cycles"),
m_device->continuous_start_get_measurement()));
}
@ -392,11 +409,18 @@ void MainFrame::onRunStart(wxCommandEvent& ce)
if (!m_is_running) {
if (m_device != nullptr && m_device->connected()) {
if (m_conv_result_log != nullptr) {
m_conv_result_log->Close();
delete m_conv_result_log;
}
m_conv_result_log = new wxFileOutputStream("results.csv");
if (m_run_measure && m_run_measure->IsChecked()) {
m_device->continuous_start_measure();
m_measure_timer->StartOnce(1000);
} else {
m_device->continuous_start();
m_measure_timer->Start(15);
}
menuItem->SetItemLabel("&Stop");
@ -407,6 +431,11 @@ void MainFrame::onRunStart(wxCommandEvent& ce)
m_status_bar->SetStatusText("Please connect.");
}
} else {
if (m_conv_result_log != nullptr) {
m_conv_result_log->Close();
delete m_conv_result_log;
m_conv_result_log = nullptr;
}
m_device->continuous_stop();
menuItem->SetItemLabel("&Start");

1
gui/wxmain.hpp
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@ -56,6 +56,7 @@ private:
wxTimer *m_measure_timer = nullptr;
wxStatusBar *m_status_bar = nullptr;
wxMenuBar *m_menu_bar = nullptr;
wxFileOutputStream *m_conv_result_log = nullptr;
wxString m_open_file_path;
wxString m_temp_file_name;

33
source/main.cpp
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@ -21,7 +21,7 @@
constexpr unsigned int MAX_ELF_FILE_SIZE = 8 * 1024;
constexpr unsigned int MAX_ERROR_QUEUE_SIZE = 8;
constexpr unsigned int MAX_SAMPLE_BUFFER_SIZE = 6000;
constexpr unsigned int MAX_SAMPLE_BUFFER_SIZE = 6000; // operate on buffers size this / 2
constexpr unsigned int MAX_SIGGEN_BUFFER_SIZE = 3000;
enum class RunStatus : char
@ -78,6 +78,7 @@ static std::array<adcsample_t, CACHE_SIZE_ALIGN(adcsample_t, MAX_SAMPLE_BUFFER_S
CC_ALIGN(CACHE_LINE_SIZE)
#endif
static std::array<dacsample_t, CACHE_SIZE_ALIGN(dacsample_t, MAX_SAMPLE_BUFFER_SIZE)> dac_samples;
static volatile const dacsample_t *dac_samples_new = nullptr;
#if CACHE_LINE_SIZE > 0
CC_ALIGN(CACHE_LINE_SIZE)
#endif
@ -265,7 +266,29 @@ void main_loop()
break;
case 's':
usbserial::write(dac_samples.data(), dac_sample_count * sizeof(dacsample_t));
if (dac_samples_new != nullptr) {
unsigned char buf[2] = {
static_cast<unsigned char>(dac_sample_count / 2 & 0xFF),
static_cast<unsigned char>(((dac_sample_count / 2) >> 8) & 0xFF)
};
usbserial::write(buf, 2);
unsigned int total = dac_sample_count / 2 * sizeof(dacsample_t);
unsigned int offset = 0;
unsigned char unused;
auto samps = reinterpret_cast<const uint8_t *>(
const_cast<const dacsample_t *>(dac_samples_new));
while (total > 512) {
usbserial::write(samps + offset, 512);
while (usbserial::read(&unused, 1) == 0);
offset += 512;
total -= 512;
}
usbserial::write(samps + offset, total);
while (usbserial::read(&unused, 1) == 0);
dac_samples_new = nullptr;
} else {
usbserial::write("\0\0", 2);
}
break;
case 'W':
@ -281,7 +304,7 @@ void main_loop()
}
}
chThdSleepMilliseconds(1);
chThdSleepMicroseconds(100);
}
}
@ -308,12 +331,14 @@ THD_FUNCTION(conversionThread, arg)
if (!samples)
samples = &adc_samples[0];
std::copy(samples, samples + halfsize, &dac_samples[0]);
dac_samples_new = &dac_samples[0];
} else if (message == MSG_CONVSECOND) {
if (elf_entry)
samples = elf_entry(&adc_samples[halfsize], halfsize);
if (!samples)
samples = &adc_samples[halfsize];
std::copy(samples, samples + halfsize, &dac_samples[dac_sample_count / 2]);
dac_samples_new = &dac_samples[dac_sample_count / 2];
} else if (message == MSG_CONVFIRST_MEASURE) {
chTMStartMeasurementX(&conversion_time_measurement);
if (elf_entry)
@ -322,6 +347,7 @@ THD_FUNCTION(conversionThread, arg)
if (!samples)
samples = &adc_samples[0];
std::copy(samples, samples + halfsize, &dac_samples[0]);
dac_samples_new = &dac_samples[0];
} else if (message == MSG_CONVSECOND_MEASURE) {
chTMStartMeasurementX(&conversion_time_measurement);
if (elf_entry)
@ -330,6 +356,7 @@ THD_FUNCTION(conversionThread, arg)
if (!samples)
samples = &adc_samples[halfsize];
std::copy(samples, samples + halfsize, &dac_samples[dac_sample_count / 2]);
dac_samples_new = &dac_samples[dac_sample_count / 2];
}
}
}

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