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USRP source

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AlexandreRouma
2022-10-23 16:41:45 +02:00
parent d4a6ada56e
commit 9ccc14848b
15 changed files with 862 additions and 126 deletions
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18
source_modules/hermes_source/src/hermes.cpp
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@@ -27,6 +27,10 @@ namespace hermes {
sendMetisControl(METIS_CTRL_NONE);
}
void Client::setSamplerate(HermesLiteSamplerate samplerate) {
writeReg(0, (uint32_t)samplerate << 24);
}
void Client::setFrequency(double freq) {
writeReg(HL_REG_TX1_NCO_FREQ, freq);
}
@@ -122,7 +126,6 @@ namespace hermes {
}
// Decode and send IQ to stream
// TODO: More efficient way?
uint8_t* iq = &frame[8];
for (int i = 0; i < 63; i++) {
// Convert to 32bit
@@ -133,11 +136,12 @@ namespace hermes {
si = (si << 8) >> 8;
sq = (sq << 8) >> 8;
// Convert to float (IQ swapper for some reason... I means in-phase :facepalm:)
// Convert to float (IQ swapper for some reason... 'I' means in-phase... :facepalm:)
out.writeBuf[i].im = (float)si / (float)0x1000000;
out.writeBuf[i].re = (float)sq / (float)0x1000000;
}
out.swap(63);
// TODO: Buffer the data to avoid having a very high DSP frame rate
}
}
}
@@ -160,8 +164,9 @@ namespace hermes {
while (true) {
// Wait for a response
net::Address addr;
uint8_t resp[1024];
int len = sock->recv(resp, sizeof(resp), false, HERMES_DISCOVER_TIMEOUT);
int len = sock->recv(resp, sizeof(resp), false, HERMES_DISCOVER_TIMEOUT, &addr);
// Give up if timeout or error
if (len <= 0) { break; }
@@ -172,6 +177,7 @@ namespace hermes {
// Analyze
Info info;
info.addr = addr;
memcpy(info.mac, &resp[3], 6);
info.gatewareVerMaj = resp[0x09];
info.gatewareVerMin = resp[0x15];
@@ -194,8 +200,12 @@ namespace hermes {
}
std::shared_ptr<Client> open(std::string host, int port) {
return open(net::Address(host, port));
}
std::shared_ptr<Client> open(const net::Address& addr) {
// Open UDP socket
auto sock = net::openudp(host, port);
auto sock = net::openudp(addr);
// TODO: Check if open successful
return std::make_shared<Client>(sock);