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feat: add RTL-SDR, R820t drivers, radio APIs, and sdr demo tool

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daniel
2026-06-22 11:49:16 +02:00
parent 121f3f2081
commit 108538f60c
20 changed files with 2213 additions and 12 deletions
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kernel/src/Drivers/USB/UsbDevice.cpp
+14 -2
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@@ -10,6 +10,7 @@
#include "HidMouse.hpp"
#include "MassStorage.hpp"
#include "Bluetooth/Bluetooth.hpp"
#include "Radio/RtlSdr.hpp"
#include <Terminal/Terminal.hpp>
#include <CppLib/Stream.hpp>
#include <Memory/HHDM.hpp>
@@ -350,6 +351,11 @@ namespace Drivers::USB::UsbDevice {
bool foundBulkOut = false;
uint16_t hidReportDescLen = 0;
// RTL-SDR dongles are vendor-class (0xFF) devices identified by VID:PID.
// They expose a single bulk-IN endpoint that streams raw I/Q samples;
// treat them like the other bulk-capable class drivers below.
bool foundRadio = Drivers::USB::Radio::IsRtlSdr(devDesc.idVendor, devDesc.idProduct);
while (offset + 2 <= totalLen) {
uint8_t len = cfgBuf[offset];
uint8_t type = cfgBuf[offset + 1];
@@ -417,8 +423,8 @@ namespace Drivers::USB::UsbDevice {
foundEp = true;
}
// Bluetooth and Mass Storage bulk endpoints
if (foundBt || currentMsc) {
// Bluetooth, Mass Storage and RTL-SDR bulk endpoints
if (foundBt || currentMsc || foundRadio) {
if (isIn && xferType == EP_XFER_INTERRUPT && !foundEp) {
// HCI event pipe (interrupt IN)
dev->InterruptEpNum = ep->bEndpointAddress & 0x0F;
@@ -671,6 +677,12 @@ namespace Drivers::USB::UsbDevice {
MassStorage::RegisterDevice(slotId);
KernelLogStream(OK, "USB") << "Slot " << (uint64_t)slotId
<< ": USB Mass Storage";
} else if (foundRadio && foundBulkIn) {
Drivers::USB::Radio::RegisterDevice(slotId);
KernelLogStream(OK, "USB") << "Slot " << (uint64_t)slotId
<< ": RTL-SDR receiver"
<< " VID:" << base::hex << (uint64_t)dev->VendorId
<< " PID:" << (uint64_t)dev->ProductId << base::dec;
} else if (foundEp) {
KernelLogStream(INFO, "USB") << "Slot " << (uint64_t)slotId
<< ": USB device, class=" << (uint64_t)dev->InterfaceClass