Added better module summaries.
[pub/USBasp.git] / Demos / Host / LowLevel / GenericHIDHost / GenericHIDHost.c
index ac764fa..a1b62ac 100644 (file)
@@ -164,10 +164,10 @@ void ReadNextReport(void)
 \r
 /** Writes a report to the attached device.\r
  *\r
- *  \param ReportOUTData  Buffer containing the report to send to the device\r
- *  \param ReportIndex  Index of the report in the device (zero if the device does not use multiple reports)\r
- *  \param ReportType  Type of report to send, either HID_REPORTTYPE_OUTPUT or HID_REPORTTYPE_FEATURE\r
- *  \param ReportLength  Length of the report to send\r
+ *  \param[in] ReportOUTData  Buffer containing the report to send to the device\r
+ *  \param[in] ReportIndex  Index of the report in the device (zero if the device does not use multiple reports)\r
+ *  \param[in] ReportType  Type of report to send, either HID_REPORTTYPE_OUTPUT or HID_REPORTTYPE_FEATURE\r
+ *  \param[in] ReportLength  Length of the report to send\r
  */\r
 void WriteNextReport(uint8_t* ReportOUTData, uint8_t ReportIndex, uint8_t ReportType, uint16_t ReportLength)\r
 {\r
@@ -233,36 +233,6 @@ void HID_Host_Task(void)
        switch (USB_HostState)\r
        {\r
                case HOST_STATE_Addressed:\r
-                       /* Standard request to set the device configuration to configuration 1 */\r
-                       USB_ControlRequest = (USB_Request_Header_t)\r
-                               {\r
-                                       .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE),\r
-                                       .bRequest      = REQ_SetConfiguration,\r
-                                       .wValue        = 1,\r
-                                       .wIndex        = 0,\r
-                                       .wLength       = 0,\r
-                               };\r
-\r
-                       /* Select the control pipe for the request transfer */\r
-                       Pipe_SelectPipe(PIPE_CONTROLPIPE);\r
-\r
-                       /* Send the request, display error and wait for device detach if request fails */\r
-                       if ((ErrorCode = USB_Host_SendControlRequest(NULL)) != HOST_SENDCONTROL_Successful)\r
-                       {\r
-                               puts_P(PSTR("Control Error (Set Configuration).\r\n"));\r
-                               printf_P(PSTR(" -- Error Code: %d\r\n"), ErrorCode);\r
-\r
-                               /* Indicate error status */\r
-                               LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
-                               \r
-                               /* Wait until USB device disconnected */\r
-                               while (USB_IsConnected);\r
-                               break;\r
-                       }\r
-                       \r
-                       USB_HostState = HOST_STATE_Configured;\r
-                       break;\r
-               case HOST_STATE_Configured:\r
                        puts_P(PSTR("Getting Config Data.\r\n"));\r
                \r
                        /* Get and process the configuration descriptor data */\r
@@ -279,10 +249,27 @@ void HID_Host_Task(void)
                                LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
 \r
                                /* Wait until USB device disconnected */\r
-                               while (USB_IsConnected);\r
+                               USB_HostState = HOST_STATE_WaitForDeviceRemoval;\r
                                break;\r
                        }\r
-               \r
+\r
+                       /* Set the device configuration to the first configuration (rarely do devices use multiple configurations) */\r
+                       if ((ErrorCode = USB_Host_SetDeviceConfiguration(1)) != HOST_SENDCONTROL_Successful)\r
+                       {\r
+                               puts_P(PSTR("Control Error (Set Configuration).\r\n"));\r
+                               printf_P(PSTR(" -- Error Code: %d\r\n"), ErrorCode);\r
+\r
+                               /* Indicate error status */\r
+                               LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
+                               \r
+                               /* Wait until USB device disconnected */\r
+                               USB_HostState = HOST_STATE_WaitForDeviceRemoval;\r
+                               break;\r
+                       }\r
+                       \r
+                       USB_HostState = HOST_STATE_Configured;\r
+                       break;\r
+               case HOST_STATE_Configured:\r
                        puts_P(PSTR("HID Device Enumerated.\r\n"));\r
                                        \r
                        USB_HostState = HOST_STATE_Ready;\r