mirror of
https://github.com/stratosonic/Apple-II-Joystick-to-USB-Adapter.git
synced 2024-06-09 18:29:31 +00:00
119 lines
4.2 KiB
C
119 lines
4.2 KiB
C
/*******************************************************************************
|
|
Copyright 2016 Microchip Technology Inc. (www.microchip.com)
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
|
|
To request to license the code under the MLA license (www.microchip.com/mla_license),
|
|
please contact mla_licensing@microchip.com
|
|
*******************************************************************************/
|
|
|
|
/** INCLUDES *******************************************************/
|
|
#include "system.h"
|
|
|
|
#include "usb.h"
|
|
#include "usb_device_hid.h"
|
|
|
|
#include "joystick.h"
|
|
#include "app_led_usb_status.h"
|
|
|
|
/*******************************************************************
|
|
* Function: bool USER_USB_CALLBACK_EVENT_HANDLER(
|
|
* USB_EVENT event, void *pdata, uint16_t size)
|
|
*
|
|
* PreCondition: None
|
|
*
|
|
* Input: USB_EVENT event - the type of event
|
|
* void *pdata - pointer to the event data
|
|
* uint16_t size - size of the event data
|
|
*
|
|
* Output: None
|
|
*
|
|
* Side Effects: None
|
|
*
|
|
* Overview: This function is called from the USB stack to
|
|
* notify a user application that a USB event
|
|
* occured. This callback is in interrupt context
|
|
* when the USB_INTERRUPT option is selected.
|
|
*
|
|
* Note: None
|
|
*******************************************************************/
|
|
bool USER_USB_CALLBACK_EVENT_HANDLER(USB_EVENT event, void *pdata, uint16_t size)
|
|
{
|
|
switch( (int) event )
|
|
{
|
|
case EVENT_TRANSFER:
|
|
break;
|
|
|
|
case EVENT_SOF:
|
|
/* We are using the SOF as a timer to time the LED indicator. Call
|
|
* the LED update function here. */
|
|
APP_LEDUpdateUSBStatus();
|
|
break;
|
|
|
|
case EVENT_SUSPEND:
|
|
/* Update the LED status for the suspend event. */
|
|
APP_LEDUpdateUSBStatus();
|
|
|
|
//Call the hardware platform specific handler for suspend events for
|
|
//possible further action (like optionally going reconfiguring the application
|
|
//for lower power states and going to sleep during the suspend event). This
|
|
//would normally be done in USB compliant bus powered applications, although
|
|
//no further processing is needed for purely self powered applications that
|
|
//don't consume power from the host.
|
|
SYSTEM_Initialize(SYSTEM_STATE_USB_SUSPEND);
|
|
break;
|
|
|
|
case EVENT_RESUME:
|
|
/* Update the LED status for the resume event. */
|
|
APP_LEDUpdateUSBStatus();
|
|
|
|
//Call the hardware platform specific resume from suspend handler (ex: to
|
|
//restore I/O pins to higher power states if they were changed during the
|
|
//preceding SYSTEM_Initialize(SYSTEM_STATE_USB_SUSPEND) call at the start
|
|
//of the suspend condition.
|
|
SYSTEM_Initialize(SYSTEM_STATE_USB_RESUME);
|
|
break;
|
|
|
|
case EVENT_CONFIGURED:
|
|
/* When the device is configured, we can (re)initialize the demo
|
|
* code. */
|
|
JoystickInitialize();
|
|
break;
|
|
|
|
case EVENT_SET_DESCRIPTOR:
|
|
break;
|
|
|
|
case EVENT_EP0_REQUEST:
|
|
/* We have received a non-standard USB request. The HID driver
|
|
* needs to check to see if the request was for it. */
|
|
USBCheckHIDRequest();
|
|
break;
|
|
|
|
case EVENT_BUS_ERROR:
|
|
break;
|
|
|
|
case EVENT_TRANSFER_TERMINATED:
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
End of File
|
|
*/
|
|
|