diff --git a/LUFA/ManPages/FutureChanges.txt b/LUFA/ManPages/FutureChanges.txt index 9facda2a80..8d394435a3 100644 --- a/LUFA/ManPages/FutureChanges.txt +++ b/LUFA/ManPages/FutureChanges.txt @@ -24,9 +24,9 @@ * - Remake AVRStudio project files * - Add detailed overviews of how each demo works * - Master LUFA include file rather than per-module includes - * - Add multiple-report HID demo to the library + * - Add multiple-report HID device demo to the library * - Add dual role Mouse Host/Keyboard Device demo to the library - * - Add Mouse/CDC dual class demo to the library + * - Add Mouse/CDC dual class device demo to the library * - Change makefiles to allow for absolute LUFA location to be used * - Port LUFA to other architectures * -# AVR32 UC3B series microcontrollers diff --git a/Projects/MissileLauncher/ConfigDescriptor.c b/Projects/MissileLauncher/ConfigDescriptor.c index 405daa4fe0..0a50beb573 100644 --- a/Projects/MissileLauncher/ConfigDescriptor.c +++ b/Projects/MissileLauncher/ConfigDescriptor.c @@ -47,31 +47,26 @@ */ uint8_t ProcessConfigurationDescriptor(void) { - uint8_t* ConfigDescriptorData; - uint16_t ConfigDescriptorSize; - + uint8_t ConfigDescriptorData[512]; + uint8_t* CurrConfigLocation = ConfigDescriptorData; + uint16_t CurrConfigBytesRem; uint8_t FoundEndpoints = 0; - - /* Get Configuration Descriptor size from the device */ - if (USB_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, NULL) != HOST_SENDCONTROL_Successful) - return ControlError; - - /* Ensure that the Configuration Descriptor isn't too large */ - if (ConfigDescriptorSize > MAX_CONFIG_DESCRIPTOR_SIZE) - return DescriptorTooLarge; - - /* Allocate enough memory for the entire config descriptor */ - ConfigDescriptorData = alloca(ConfigDescriptorSize); /* Retrieve the entire configuration descriptor into the allocated buffer */ - USB_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, ConfigDescriptorData); - - /* Validate returned data - ensure first entry is a configuration header descriptor */ - if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration) - return InvalidConfigDataReturned; + switch (USB_GetDeviceConfigDescriptor(1, &CurrConfigBytesRem, ConfigDescriptorData, sizeof(ConfigDescriptorData))) + { + case HOST_GETCONFIG_Successful: + break; + case HOST_GETCONFIG_InvalidData: + return InvalidConfigDataReturned; + case HOST_GETCONFIG_BuffOverflow: + return DescriptorTooLarge; + default: + return ControlError; + } /* Get the HID interface from the configuration descriptor */ - if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, + if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation, DComp_NextHIDInterface) != DESCRIPTOR_SEARCH_COMP_Found) { /* Descriptor not found, error out */ @@ -81,7 +76,7 @@ uint8_t ProcessConfigurationDescriptor(void) while (FoundEndpoints != ((1 << HID_DATA_IN_PIPE) | (1 << HID_DATA_OUT_PIPE))) { /* Get the next HID interface's data endpoint descriptor */ - if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, + if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation, DComp_NextInterfaceHIDDataEndpoint) != DESCRIPTOR_SEARCH_COMP_Found) { /* Not all HID devices have an OUT endpoint - if we've reached the end of the HID descriptor