Updated all host mode demos and projects to use the EVENT_USB_Host_DeviceEnumerationC...
[pub/USBasp.git] / Demos / Host / LowLevel / KeyboardHost / KeyboardHost.c
index 6df052d..92038de 100644 (file)
@@ -50,7 +50,8 @@ int main(void)
 
        for (;;)
        {
 
        for (;;)
        {
-               Keyboard_HID_Task();
+               KeyboardHost_Task();
+
                USB_USBTask();
        }
 }
                USB_USBTask();
        }
 }
@@ -97,6 +98,59 @@ void EVENT_USB_Host_DeviceUnattached(void)
  */
 void EVENT_USB_Host_DeviceEnumerationComplete(void)
 {
  */
 void EVENT_USB_Host_DeviceEnumerationComplete(void)
 {
+       puts_P(PSTR("Getting Config Data.\r\n"));
+
+       uint8_t ErrorCode;
+
+       /* Get and process the configuration descriptor data */
+       if ((ErrorCode = ProcessConfigurationDescriptor()) != SuccessfulConfigRead)
+       {
+               if (ErrorCode == ControlError)
+                 puts_P(PSTR(ESC_FG_RED "Control Error (Get Configuration).\r\n"));
+               else
+                 puts_P(PSTR(ESC_FG_RED "Invalid Device.\r\n"));
+
+               printf_P(PSTR(" -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
+
+               LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+               return;
+       }
+
+       /* Set the device configuration to the first configuration (rarely do devices use multiple configurations) */
+       if ((ErrorCode = USB_Host_SetDeviceConfiguration(1)) != HOST_SENDCONTROL_Successful)
+       {
+               printf_P(PSTR(ESC_FG_RED "Control Error (Set Configuration).\r\n"
+                                        " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
+
+               LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+               return;
+       }
+
+       /* HID class request to set the keyboard protocol to the Boot Protocol */
+       USB_ControlRequest = (USB_Request_Header_t)
+               {
+                       .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),
+                       .bRequest      = HID_REQ_SetProtocol,
+                       .wValue        = 0,
+                       .wIndex        = 0,
+                       .wLength       = 0,
+               };
+
+       /* Select the control pipe for the request transfer */
+       Pipe_SelectPipe(PIPE_CONTROLPIPE);
+
+       /* Send the request, display error and wait for device detach if request fails */
+       if ((ErrorCode = USB_Host_SendControlRequest(NULL)) != HOST_SENDCONTROL_Successful)
+       {
+               printf_P(PSTR(ESC_FG_RED "Control Error (Set Protocol).\r\n"
+                                        " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
+
+               LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+               USB_Host_SetDeviceConfiguration(0);
+               return;
+       }
+
+       puts_P(PSTR("Keyboard Enumerated.\r\n"));
        LEDs_SetAllLEDs(LEDMASK_USB_READY);
 }
 
        LEDs_SetAllLEDs(LEDMASK_USB_READY);
 }
 
@@ -126,12 +180,13 @@ void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode,
        LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 }
 
        LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 }
 
-/** Reads in and processes the next report from the attached device, displaying the report
+/** Task to read in and processes the next report from the attached device, displaying the report
  *  contents on the board LEDs and via the serial port.
  */
  *  contents on the board LEDs and via the serial port.
  */
-void ReadNextReport(void)
+void KeyboardHost_Task(void)
 {
 {
-       USB_KeyboardReport_Data_t KeyboardReport;
+       if (USB_HostState != HOST_STATE_Configured)
+         return;
 
        /* Select keyboard data pipe */
        Pipe_SelectPipe(KEYBOARD_DATA_IN_PIPE);
 
        /* Select keyboard data pipe */
        Pipe_SelectPipe(KEYBOARD_DATA_IN_PIPE);
@@ -151,6 +206,8 @@ void ReadNextReport(void)
        /* Ensure pipe contains data before trying to read from it */
        if (Pipe_IsReadWriteAllowed())
        {
        /* Ensure pipe contains data before trying to read from it */
        if (Pipe_IsReadWriteAllowed())
        {
+               USB_KeyboardReport_Data_t KeyboardReport;
+
                /* Read in keyboard report data */
                Pipe_Read_Stream_LE(&KeyboardReport, sizeof(KeyboardReport), NULL);
 
                /* Read in keyboard report data */
                Pipe_Read_Stream_LE(&KeyboardReport, sizeof(KeyboardReport), NULL);
 
@@ -203,86 +260,3 @@ void ReadNextReport(void)
        Pipe_Freeze();
 }
 
        Pipe_Freeze();
 }
 
-/** Task to set the configuration of the attached device after it has been enumerated, and to read and process
- *  HID reports from the device and display the results onto the board LEDs.
- */
-void Keyboard_HID_Task(void)
-{
-       uint8_t ErrorCode;
-
-       switch (USB_HostState)
-       {
-               case HOST_STATE_Addressed:
-                       puts_P(PSTR("Getting Config Data.\r\n"));
-
-                       /* Get and process the configuration descriptor data */
-                       if ((ErrorCode = ProcessConfigurationDescriptor()) != SuccessfulConfigRead)
-                       {
-                               if (ErrorCode == ControlError)
-                                 puts_P(PSTR(ESC_FG_RED "Control Error (Get Configuration).\r\n"));
-                               else
-                                 puts_P(PSTR(ESC_FG_RED "Invalid Device.\r\n"));
-
-                               printf_P(PSTR(" -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
-
-                               /* Indicate error status */
-                               LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
-
-                               /* Wait until USB device disconnected */
-                               USB_HostState = HOST_STATE_WaitForDeviceRemoval;
-                               break;
-                       }
-
-                       /* Set the device configuration to the first configuration (rarely do devices use multiple configurations) */
-                       if ((ErrorCode = USB_Host_SetDeviceConfiguration(1)) != HOST_SENDCONTROL_Successful)
-                       {
-                               printf_P(PSTR(ESC_FG_RED "Control Error (Set Configuration).\r\n"
-                                                        " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
-
-                               /* Indicate error status */
-                               LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
-
-                               /* Wait until USB device disconnected */
-                               USB_HostState = HOST_STATE_WaitForDeviceRemoval;
-                               break;
-                       }
-
-                       /* HID class request to set the keyboard protocol to the Boot Protocol */
-                       USB_ControlRequest = (USB_Request_Header_t)
-                               {
-                                       .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),
-                                       .bRequest      = HID_REQ_SetProtocol,
-                                       .wValue        = 0,
-                                       .wIndex        = 0,
-                                       .wLength       = 0,
-                               };
-
-                       /* Select the control pipe for the request transfer */
-                       Pipe_SelectPipe(PIPE_CONTROLPIPE);
-
-                       /* Send the request, display error and wait for device detach if request fails */
-                       if ((ErrorCode = USB_Host_SendControlRequest(NULL)) != HOST_SENDCONTROL_Successful)
-                       {
-                               printf_P(PSTR(ESC_FG_RED "Control Error (Set Protocol).\r\n"
-                                                        " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
-
-                               /* Indicate error status */
-                               LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
-
-                               /* Wait until USB device disconnected */
-                               USB_HostState = HOST_STATE_WaitForDeviceRemoval;
-                               break;
-                       }
-
-                       puts_P(PSTR("Keyboard Enumerated.\r\n"));
-
-                       USB_HostState = HOST_STATE_Configured;
-                       break;
-               case HOST_STATE_Configured:
-                       /* If a report has been received, read and process it */
-                       ReadNextReport();
-
-                       break;
-       }
-}
-