Ensure that the previous HID reports in the HID device class driver are kept per...

[pub/lufa.git] / Demos / Host / ClassDriver / MouseHost / MouseHost.c

diff --git a/Demos/Host/ClassDriver/MouseHost/MouseHost.c b/Demos/Host/ClassDriver/MouseHost/MouseHost.c
index 88518a8..61d7d7b 100644 (file)
--- a/Demos/Host/ClassDriver/MouseHost/MouseHost.c
+++ b/Demos/Host/ClassDriver/MouseHost/MouseHost.c
@@ -50,11 +50,6 @@ USB_ClassInfo_HID_Host_t Mouse_HID_Interface =
                                .MatchInterfaceProtocol = true,\r
                                .HIDInterfaceProtocol   = 0x02,\r
                        },\r
-                       \r
-               .State =\r
-                       {\r
-                               // Leave all state values to their defaults                     \r
-                       }\r
        };\r
 \r
        \r
@@ -76,10 +71,24 @@ int main(void)
                        case HOST_STATE_Addressed:\r
                                LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);\r
                        \r
-                               if (HID_Host_ConfigurePipes(&Mouse_HID_Interface, 512) != HID_ENUMERROR_NoError)\r
+                               uint16_t ConfigDescriptorSize;\r
+                               uint8_t  ConfigDescriptorData[512];\r
+\r
+                               if ((USB_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, NULL) != HOST_SENDCONTROL_Successful) ||\r
+                                   (ConfigDescriptorSize > sizeof(ConfigDescriptorData)))\r
                                {\r
-                                       printf("Attached device is not a valid Mouse.\r\n");\r
-                                       \r
+                                       printf("Error Retrieving Configuration Descriptor.\r\n");\r
+                                       LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
+                                       USB_HostState = HOST_STATE_WaitForDeviceRemoval;\r
+                                       break;\r
+                               }\r
+                               \r
+                               USB_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, ConfigDescriptorData);\r
+\r
+                               if (HID_Host_ConfigurePipes(&Mouse_HID_Interface,\r
+                                                           ConfigDescriptorSize, ConfigDescriptorData) != HID_ENUMERROR_NoError)\r
+                               {\r
+                                       printf("Attached Device Not a Valid Mouse.\r\n");\r
                                        LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
                                        USB_HostState = HOST_STATE_WaitForDeviceRemoval;\r
                                        break;\r
@@ -88,7 +97,6 @@ int main(void)
                                if (USB_Host_SetDeviceConfiguration(1) != HOST_SENDCONTROL_Successful)\r
                                {\r
                                        printf("Error Setting Device Configuration.\r\n");\r
-\r
                                        LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
                                        USB_HostState = HOST_STATE_WaitForDeviceRemoval;\r
                                        break;\r