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Code Issues Releases Wiki Activity

Lightpack code changes

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Former-commit-id: cfc9fb0bf0cb81bd2ce2c6af1c8f2be64b2e14a8
This commit is contained in:
johan 2013-11-16 10:38:03 +01:00
parent e1e88ba2cf
commit 8b127674dd
2 changed files with 30 additions and 14 deletions
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2
deploy/hyperiond.REMOVED.git-id
View File

@ -1 +1 @@
db2c75aa5829d405c7120255af5dbee38c9272d7 1cb3f98f75d106f770d15416e067095bee750f8d

40
libsrc/hyperion/device/LedDeviceLightpack.cpp
View File

@ -147,7 +147,7 @@ int LedDeviceLightpack::open()
} }
catch(int e) catch(int e)
{ {
std::cerr << "unable to open Lightpack device(" << e << "): " << libusb_error_name(e) << std::endl; std::cerr << "unable to open Lightpack device. Searching for other device(" << e << "): " << libusb_error_name(e) << std::endl;
} }
} }
} }
@ -258,12 +258,14 @@ libusb_device_handle * LedDeviceLightpack::openDevice(libusb_device *device)
int error = libusb_open(device, &handle); int error = libusb_open(device, &handle);
if (error != LIBUSB_SUCCESS) if (error != LIBUSB_SUCCESS)
{ {
std::cerr << "unable to open device(" << error << "): " << libusb_error_name(error) << std::endl;
throw error; throw error;
} }
error = libusb_detach_kernel_driver(handle, LIGHTPACK_INTERFACE); error = libusb_detach_kernel_driver(handle, LIGHTPACK_INTERFACE);
if (error != LIBUSB_SUCCESS) if (error != LIBUSB_SUCCESS)
{ {
std::cerr << "unable to detach kernel driver(" << error << "): " << libusb_error_name(error) << std::endl;
libusb_close(handle); libusb_close(handle);
throw error; throw error;
} }
@ -271,6 +273,8 @@ libusb_device_handle * LedDeviceLightpack::openDevice(libusb_device *device)
error = libusb_claim_interface(handle, LIGHTPACK_INTERFACE); error = libusb_claim_interface(handle, LIGHTPACK_INTERFACE);
if (error != LIBUSB_SUCCESS) if (error != LIBUSB_SUCCESS)
{ {
std::cerr << "unable to claim interface(" << error << "): " << libusb_error_name(error) << std::endl;
libusb_attach_kernel_driver(handle, LIGHTPACK_INTERFACE);
libusb_close(handle); libusb_close(handle);
throw error; throw error;
} }
@ -280,27 +284,39 @@ libusb_device_handle * LedDeviceLightpack::openDevice(libusb_device *device)
std::string LedDeviceLightpack::getString(libusb_device * device, int stringDescriptorIndex) std::string LedDeviceLightpack::getString(libusb_device * device, int stringDescriptorIndex)
{ {
libusb_device_handle * deviceHandle = openDevice(device); libusb_device_handle * handle = nullptr;
char buffer[256]; int error = libusb_open(device, &handle);
int error = libusb_get_string_descriptor_ascii(deviceHandle, stringDescriptorIndex, reinterpret_cast<unsigned char *>(buffer), sizeof(buffer)); if (error != LIBUSB_SUCCESS)
if (error <= 0)
{ {
libusb_close(deviceHandle);
throw error; throw error;
} }
libusb_close(deviceHandle); 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 std::string(buffer, error); return std::string(buffer, error);
} }
LedDeviceLightpack::Version LedDeviceLightpack::getVersion(libusb_device *device) LedDeviceLightpack::Version LedDeviceLightpack::getVersion(libusb_device *device)
{ {
libusb_device_handle * deviceHandle = openDevice(device); libusb_device_handle * handle = nullptr;
int error = libusb_open(device, &handle);
if (error != LIBUSB_SUCCESS)
{
throw error;
}
uint8_t buffer[256]; uint8_t buffer[256];
int error = libusb_control_transfer( error = libusb_control_transfer(
deviceHandle, handle,
LIBUSB_ENDPOINT_IN | LIBUSB_RECIPIENT_INTERFACE, LIBUSB_ENDPOINT_IN | LIBUSB_RECIPIENT_INTERFACE,
LIBUSB_REQUEST_GET_DESCRIPTOR, LIBUSB_REQUEST_GET_DESCRIPTOR,
(LIBUSB_DT_REPORT << 8), (LIBUSB_DT_REPORT << 8),
@ -308,10 +324,10 @@ LedDeviceLightpack::Version LedDeviceLightpack::getVersion(libusb_device *device
buffer, sizeof(buffer), 100); buffer, sizeof(buffer), 100);
if (error < 3) if (error < 3)
{ {
libusb_close(deviceHandle); libusb_close(handle);
throw error; throw error;
} }
libusb_close(deviceHandle); libusb_close(handle);
return Version{buffer[INDEX_FW_VER_MAJOR], buffer[INDEX_FW_VER_MINOR]}; return Version{buffer[INDEX_FW_VER_MAJOR], buffer[INDEX_FW_VER_MINOR]};
} }