mirror of
https://github.com/hyperion-project/hyperion.ng.git
synced 2025-03-01 10:33:28 +00:00
Leddevices source tree refactoring (#461)
* rework structure of leddevice source tree * fix data type vor v4l sig detection value in webui * automate leddevicefactory.cpp
This commit is contained in:
218
libsrc/leddevice/dev_hid/LedDeviceHyperionUsbasp.cpp
Normal file
218
libsrc/leddevice/dev_hid/LedDeviceHyperionUsbasp.cpp
Normal file
@@ -0,0 +1,218 @@
|
||||
// stl includes
|
||||
#include <exception>
|
||||
#include <cstring>
|
||||
|
||||
// Local Hyperion includes
|
||||
#include "LedDeviceHyperionUsbasp.h"
|
||||
|
||||
// Static constants which define the Hyperion Usbasp device
|
||||
uint16_t LedDeviceHyperionUsbasp::_usbVendorId = 0x16c0;
|
||||
uint16_t LedDeviceHyperionUsbasp::_usbProductId = 0x05dc;
|
||||
QString LedDeviceHyperionUsbasp::_usbProductDescription = "Hyperion led controller";
|
||||
|
||||
|
||||
LedDeviceHyperionUsbasp::LedDeviceHyperionUsbasp(const QJsonObject &deviceConfig)
|
||||
: LedDevice()
|
||||
, _libusbContext(nullptr)
|
||||
, _deviceHandle(nullptr)
|
||||
{
|
||||
init(deviceConfig);
|
||||
}
|
||||
|
||||
LedDeviceHyperionUsbasp::~LedDeviceHyperionUsbasp()
|
||||
{
|
||||
if (_deviceHandle != nullptr)
|
||||
{
|
||||
libusb_release_interface(_deviceHandle, 0);
|
||||
libusb_attach_kernel_driver(_deviceHandle, 0);
|
||||
libusb_close(_deviceHandle);
|
||||
|
||||
_deviceHandle = nullptr;
|
||||
}
|
||||
|
||||
if (_libusbContext != nullptr)
|
||||
{
|
||||
libusb_exit(_libusbContext);
|
||||
_libusbContext = nullptr;
|
||||
}
|
||||
}
|
||||
|
||||
bool LedDeviceHyperionUsbasp::init(const QJsonObject &deviceConfig)
|
||||
{
|
||||
LedDevice::init(deviceConfig);
|
||||
|
||||
QString ledType = deviceConfig["ledType"].toString("ws2801");
|
||||
if (ledType != "ws2801" && ledType != "ws2812")
|
||||
{
|
||||
throw std::runtime_error("HyperionUsbasp: invalid ledType; must be 'ws2801' or 'ws2812'.");
|
||||
}
|
||||
|
||||
_writeLedsCommand = (ledType == "ws2801") ? CMD_WRITE_WS2801 : CMD_WRITE_WS2812;
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
LedDevice* LedDeviceHyperionUsbasp::construct(const QJsonObject &deviceConfig)
|
||||
{
|
||||
return new LedDeviceHyperionUsbasp(deviceConfig);
|
||||
}
|
||||
|
||||
|
||||
int LedDeviceHyperionUsbasp::open()
|
||||
{
|
||||
int error;
|
||||
|
||||
// initialize the usb context
|
||||
if ((error = libusb_init(&_libusbContext)) != LIBUSB_SUCCESS)
|
||||
{
|
||||
Error(_log, "Error while initializing USB context(%d):%s", error, libusb_error_name(error));
|
||||
_libusbContext = nullptr;
|
||||
return -1;
|
||||
}
|
||||
//libusb_set_debug(_libusbContext, 3);
|
||||
Debug(_log, "USB context initialized");
|
||||
|
||||
// retrieve the list of usb devices
|
||||
libusb_device ** deviceList;
|
||||
ssize_t deviceCount = libusb_get_device_list(_libusbContext, &deviceList);
|
||||
|
||||
// iterate the list of devices
|
||||
for (ssize_t i = 0 ; i < deviceCount; ++i)
|
||||
{
|
||||
// try to open and initialize the device
|
||||
error = testAndOpen(deviceList[i]);
|
||||
|
||||
if (error == 0)
|
||||
{
|
||||
// a device was sucessfully opened. break from list
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
// free the device list
|
||||
libusb_free_device_list(deviceList, 1);
|
||||
|
||||
if (_deviceHandle == nullptr)
|
||||
{
|
||||
Error(_log, "No %s has been found", QSTRING_CSTR(_usbProductDescription));
|
||||
}
|
||||
|
||||
return _deviceHandle == nullptr ? -1 : 0;
|
||||
}
|
||||
|
||||
int LedDeviceHyperionUsbasp::testAndOpen(libusb_device * device)
|
||||
{
|
||||
libusb_device_descriptor deviceDescriptor;
|
||||
int error = libusb_get_device_descriptor(device, &deviceDescriptor);
|
||||
if (error != LIBUSB_SUCCESS)
|
||||
{
|
||||
Error(_log, "Error while retrieving device descriptor(%d): %s", error, libusb_error_name(error));
|
||||
return -1;
|
||||
}
|
||||
|
||||
if (deviceDescriptor.idVendor == _usbVendorId &&
|
||||
deviceDescriptor.idProduct == _usbProductId &&
|
||||
deviceDescriptor.iProduct != 0 &&
|
||||
getString(device, deviceDescriptor.iProduct) == _usbProductDescription)
|
||||
{
|
||||
// get the hardware address
|
||||
int busNumber = libusb_get_bus_number(device);
|
||||
int addressNumber = libusb_get_device_address(device);
|
||||
|
||||
Info(_log, "%s found: bus=%d address=%d", QSTRING_CSTR(_usbProductDescription), busNumber, addressNumber);
|
||||
|
||||
try
|
||||
{
|
||||
_deviceHandle = openDevice(device);
|
||||
Info(_log, "%s successfully opened", QSTRING_CSTR(_usbProductDescription) );
|
||||
return 0;
|
||||
}
|
||||
catch(int e)
|
||||
{
|
||||
_deviceHandle = nullptr;
|
||||
Error(_log, "Unable to open %s. Searching for other device(%d): %s", QSTRING_CSTR(_usbProductDescription), e, libusb_error_name(e));
|
||||
}
|
||||
}
|
||||
|
||||
return -1;
|
||||
}
|
||||
|
||||
int LedDeviceHyperionUsbasp::write(const std::vector<ColorRgb> &ledValues)
|
||||
{
|
||||
int nbytes = libusb_control_transfer(
|
||||
_deviceHandle, // device handle
|
||||
LIBUSB_REQUEST_TYPE_VENDOR | LIBUSB_RECIPIENT_DEVICE | LIBUSB_ENDPOINT_OUT, // request type
|
||||
_writeLedsCommand, // request
|
||||
0, // value
|
||||
0, // index
|
||||
(uint8_t *) ledValues.data(), // data
|
||||
(3*_ledCount) & 0xffff, // length
|
||||
5000); // timeout
|
||||
|
||||
// Disabling interupts for a little while on the device results in a PIPE error. All seems to keep functioning though...
|
||||
if(nbytes < 0 && nbytes != LIBUSB_ERROR_PIPE)
|
||||
{
|
||||
Error(_log, "Error while writing data to %s (%s)", QSTRING_CSTR(_usbProductDescription), libusb_error_name(nbytes));
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
libusb_device_handle * LedDeviceHyperionUsbasp::openDevice(libusb_device *device)
|
||||
{
|
||||
Logger * log = Logger::getInstance("LedDevice");
|
||||
libusb_device_handle * handle = nullptr;
|
||||
|
||||
int error = libusb_open(device, &handle);
|
||||
if (error != LIBUSB_SUCCESS)
|
||||
{
|
||||
Error(log, "unable to open device(%d): %s",error,libusb_error_name(error));
|
||||
throw error;
|
||||
}
|
||||
|
||||
// detach kernel driver if it is active
|
||||
if (libusb_kernel_driver_active(handle, 0) == 1)
|
||||
{
|
||||
error = libusb_detach_kernel_driver(handle, 0);
|
||||
if (error != LIBUSB_SUCCESS)
|
||||
{
|
||||
Error(log, "unable to detach kernel driver(%d): %s",error,libusb_error_name(error));
|
||||
libusb_close(handle);
|
||||
throw error;
|
||||
}
|
||||
}
|
||||
|
||||
error = libusb_claim_interface(handle, 0);
|
||||
if (error != LIBUSB_SUCCESS)
|
||||
{
|
||||
Error(log, "unable to claim interface(%d): %s", error, libusb_error_name(error));
|
||||
libusb_attach_kernel_driver(handle, 0);
|
||||
libusb_close(handle);
|
||||
throw error;
|
||||
}
|
||||
|
||||
return handle;
|
||||
}
|
||||
|
||||
QString LedDeviceHyperionUsbasp::getString(libusb_device * device, int stringDescriptorIndex)
|
||||
{
|
||||
libusb_device_handle * handle = nullptr;
|
||||
|
||||
int error = libusb_open(device, &handle);
|
||||
if (error != LIBUSB_SUCCESS)
|
||||
{
|
||||
throw error;
|
||||
}
|
||||
|
||||
char buffer[256];
|
||||
error = libusb_get_string_descriptor_ascii(handle, stringDescriptorIndex, reinterpret_cast<unsigned char *>(buffer), sizeof(buffer));
|
||||
if (error <= 0)
|
||||
{
|
||||
libusb_close(handle);
|
||||
throw error;
|
||||
}
|
||||
|
||||
libusb_close(handle);
|
||||
return QString(QByteArray(buffer, error));
|
||||
}
|
Reference in New Issue
Block a user