Updated all host mode demos and projects to use the EVENT_USB_Host_DeviceEnumerationC...
[pub/USBasp.git] / Demos / Host / ClassDriver / StillImageHost / StillImageHost.c
index 91c482a..6dd7344 100644 (file)
@@ -70,80 +70,8 @@ int main(void)
 
        for (;;)
        {
 
        for (;;)
        {
-               switch (USB_HostState)
-               {
-                       case HOST_STATE_Addressed:
-                               LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
-
-                               uint16_t ConfigDescriptorSize;
-                               uint8_t  ConfigDescriptorData[512];
-
-                               if (USB_Host_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, ConfigDescriptorData,
-                                                                      sizeof(ConfigDescriptorData)) != HOST_GETCONFIG_Successful)
-                               {
-                                       puts_P(PSTR("Error Retrieving Configuration Descriptor.\r\n"));
-                                       LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
-                                       USB_HostState = HOST_STATE_WaitForDeviceRemoval;
-                                       break;
-                               }
-
-                               if (SI_Host_ConfigurePipes(&DigitalCamera_SI_Interface,
-                                                          ConfigDescriptorSize, ConfigDescriptorData) != SI_ENUMERROR_NoError)
-                               {
-                                       puts_P(PSTR("Attached Device Not a Valid Still Image Class Device.\r\n"));
-                                       LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
-                                       USB_HostState = HOST_STATE_WaitForDeviceRemoval;
-                                       break;
-                               }
-
-                               if (USB_Host_SetDeviceConfiguration(1) != HOST_SENDCONTROL_Successful)
-                               {
-                                       puts_P(PSTR("Error Setting Device Configuration.\r\n"));
-                                       LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
-                                       USB_HostState = HOST_STATE_WaitForDeviceRemoval;
-                                       break;
-                               }
-
-                               puts_P(PSTR("Still Image Device Enumerated.\r\n"));
-                               LEDs_SetAllLEDs(LEDMASK_USB_READY);
-                               USB_HostState = HOST_STATE_Configured;
-                               break;
-                       case HOST_STATE_Configured:
-                               puts_P(PSTR("Opening Session...\r\n"));
-
-                               if (SI_Host_OpenSession(&DigitalCamera_SI_Interface) != PIPE_RWSTREAM_NoError)
-                               {
-                                       puts_P(PSTR("Could not open PIMA session.\r\n"));
-                                       USB_HostState = HOST_STATE_WaitForDeviceRemoval;
-                                       break;
-                               }
-
-                               puts_P(PSTR("Turning off Device...\r\n"));
-
-                               SI_Host_SendCommand(&DigitalCamera_SI_Interface, 0x1013, 0, NULL);
-                               if (SI_Host_ReceiveResponse(&DigitalCamera_SI_Interface))
-                               {
-                                       puts_P(PSTR("Could not turn off device.\r\n"));
-                                       USB_HostState = HOST_STATE_WaitForDeviceRemoval;
-                                       break;
-                               }
-
-                               puts_P(PSTR("Device Off.\r\n"));
-
-                               puts_P(PSTR("Closing Session...\r\n"));
-
-                               if (SI_Host_CloseSession(&DigitalCamera_SI_Interface) != PIPE_RWSTREAM_NoError)
-                               {
-                                       puts_P(PSTR("Could not close PIMA session.\r\n"));
-                                       USB_HostState = HOST_STATE_WaitForDeviceRemoval;
-                                       break;
-                               }
-
-                               LEDs_SetAllLEDs(LEDMASK_USB_READY);
-                               USB_HostState = HOST_STATE_WaitForDeviceRemoval;
-                               break;
-               }
-
+               StillImageHost_Task();
+               
                SI_Host_USBTask(&DigitalCamera_SI_Interface);
                USB_USBTask();
        }
                SI_Host_USBTask(&DigitalCamera_SI_Interface);
                USB_USBTask();
        }
@@ -168,6 +96,48 @@ void SetupHardware(void)
        Serial_CreateStream(NULL);
 }
 
        Serial_CreateStream(NULL);
 }
 
+/** Task to manage an enumerated USB Still Image device once connected, to manage a
+ *  new PIMA session in order to send commands to the attached device.
+ */
+void StillImageHost_Task(void)
+{
+       if (USB_HostState != HOST_STATE_Configured)
+         return;
+
+       puts_P(PSTR("Opening Session...\r\n"));
+
+       if (SI_Host_OpenSession(&DigitalCamera_SI_Interface) != PIPE_RWSTREAM_NoError)
+       {
+               puts_P(PSTR("Could not open PIMA session.\r\n"));
+               USB_Host_SetDeviceConfiguration(0);
+               return;
+       }
+
+       puts_P(PSTR("Turning off Device...\r\n"));
+
+       SI_Host_SendCommand(&DigitalCamera_SI_Interface, 0x1013, 0, NULL);
+       if (SI_Host_ReceiveResponse(&DigitalCamera_SI_Interface))
+       {
+               puts_P(PSTR("Could not turn off device.\r\n"));
+               USB_Host_SetDeviceConfiguration(0);
+               return;
+       }
+
+       puts_P(PSTR("Device Off.\r\n"));
+
+       puts_P(PSTR("Closing Session...\r\n"));
+
+       if (SI_Host_CloseSession(&DigitalCamera_SI_Interface) != PIPE_RWSTREAM_NoError)
+       {
+               puts_P(PSTR("Could not close PIMA session.\r\n"));
+               USB_Host_SetDeviceConfiguration(0);
+               return;
+       }
+
+       LEDs_SetAllLEDs(LEDMASK_USB_READY);
+       USB_Host_SetDeviceConfiguration(0);
+}
+
 /** Event handler for the USB_DeviceAttached event. This indicates that a device has been attached to the host, and
  *  starts the library USB task to begin the enumeration and USB management process.
  */
 /** Event handler for the USB_DeviceAttached event. This indicates that a device has been attached to the host, and
  *  starts the library USB task to begin the enumeration and USB management process.
  */
@@ -191,6 +161,35 @@ void EVENT_USB_Host_DeviceUnattached(void)
  */
 void EVENT_USB_Host_DeviceEnumerationComplete(void)
 {
  */
 void EVENT_USB_Host_DeviceEnumerationComplete(void)
 {
+       LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
+
+       uint16_t ConfigDescriptorSize;
+       uint8_t  ConfigDescriptorData[512];
+
+       if (USB_Host_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, ConfigDescriptorData,
+                                              sizeof(ConfigDescriptorData)) != HOST_GETCONFIG_Successful)
+       {
+               puts_P(PSTR("Error Retrieving Configuration Descriptor.\r\n"));
+               LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+               return;
+       }
+
+       if (SI_Host_ConfigurePipes(&DigitalCamera_SI_Interface,
+                                  ConfigDescriptorSize, ConfigDescriptorData) != SI_ENUMERROR_NoError)
+       {
+               puts_P(PSTR("Attached Device Not a Valid Still Image Class Device.\r\n"));
+               LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+               return;
+       }
+
+       if (USB_Host_SetDeviceConfiguration(1) != HOST_SENDCONTROL_Successful)
+       {
+               puts_P(PSTR("Error Setting Device Configuration.\r\n"));
+               LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+               return;
+       }
+
+       puts_P(PSTR("Still Image Device Enumerated.\r\n"));
        LEDs_SetAllLEDs(LEDMASK_USB_READY);
 }
 
        LEDs_SetAllLEDs(LEDMASK_USB_READY);
 }