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Print version number of device 1 on each raw dev.

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Only works on HID++ >=2.0 so far. Also solves a race condition where
the wrong response can be sent to a request.
This commit is contained in:
pixl
2020-06-18 01:34:25 -04:00
parent 14d07c220e
commit c21a923ab2
19 changed files with 518 additions and 123 deletions
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src/logid/backend/hidpp/Device.cpp
+14 -5
View File
@@ -1,6 +1,7 @@
#include <assert.h>
#include "Device.h"
#include "Report.h"
#include "../hidpp20/features/Root.h"
using namespace logid::backend;
using namespace logid::backend::hidpp;
@@ -29,12 +30,20 @@ Device::Device(const std::string& path, DeviceIndex index):
if(!supported_reports)
throw InvalidDevice(InvalidDevice::NoHIDPPReport);
Report versionRequest(Report::Type::Short, index, hidpp20::FeatureID::ROOT,
hidpp20::Root::Ping, LOGID_HIDPP_SOFTWARE_ID);
///TODO: Catch error
auto versionResponse = sendReport(versionRequest);
auto versionResponse_params = versionResponse.paramBegin();
_version = std::make_tuple(versionResponse_params[0], versionResponse_params[1]);
// Pass all HID++ events with device index to this device.
RawEventHandler rawEventHandler;
rawEventHandler.condition = [index](std::vector<uint8_t>& report)->bool
{
return (report[Offset::Type] == Report::Short ||
report[Offset::Type] == Report::Long) && (report[Offset::DeviceIndex] == index);
return (report[Offset::Type] == Report::Type::Short ||
report[Offset::Type] == Report::Type::Long) && (report[Offset::DeviceIndex] == index);
};
rawEventHandler.callback = [this](std::vector<uint8_t>& report)->void
{
@@ -69,11 +78,11 @@ Report Device::sendReport(Report& report)
{
switch(report.type())
{
case Report::Short:
case Report::Type::Short:
if(!(supported_reports & HIDPP_REPORT_SHORT_SUPPORTED))
report.setType(Report::Long);
report.setType(Report::Type::Long);
break;
case Report::Long:
case Report::Type::Long:
/* Report can be truncated, but that isn't a good idea. */
assert(supported_reports & HIDPP_REPORT_LONG_SUPPORTED);
}