diff options
Diffstat (limited to 'Demos/Device/Joystick/Joystick.c')
| -rw-r--r-- | Demos/Device/Joystick/Joystick.c | 211 |
1 files changed, 48 insertions, 163 deletions
diff --git a/Demos/Device/Joystick/Joystick.c b/Demos/Device/Joystick/Joystick.c index 8c50a2c16..e073a87fd 100644 --- a/Demos/Device/Joystick/Joystick.c +++ b/Demos/Device/Joystick/Joystick.c @@ -28,26 +28,35 @@ this software.
*/
-/** \file
- *
- * Main source file for the Joystick demo. This file contains the main tasks of the demo and
- * is responsible for the initial application hardware configuration.
- */
-
#include "Joystick.h"
-/* Scheduler Task List */
-TASK_LIST
-{
- { .Task = USB_USBTask , .TaskStatus = TASK_STOP },
- { .Task = USB_Joystick_Report , .TaskStatus = TASK_STOP },
-};
+USB_ClassInfo_HID_t Joystick_HID_Interface =
+ {
+ .InterfaceNumber = 0,
+
+ .ReportINEndpointNumber = JOYSTICK_EPNUM,
+ .ReportINEndpointSize = JOYSTICK_EPSIZE,
+
+ .ReportBufferSize = sizeof(USB_JoystickReport_Data_t),
+
+ .UsingReportProtocol = true,
+ };
-/** Main program entry point. This routine configures the hardware required by the application, then
- * starts the scheduler to run the application tasks.
- */
int main(void)
{
+ SetupHardware();
+
+ LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
+
+ for (;;)
+ {
+ USB_HID_USBTask(&Joystick_HID_Interface);
+ USB_USBTask();
+ }
+}
+
+void SetupHardware(void)
+{
/* Disable watchdog if enabled by bootloader/fuses */
MCUSR &= ~(1 << WDRF);
wdt_disable();
@@ -59,188 +68,64 @@ int main(void) Joystick_Init();
LEDs_Init();
Buttons_Init();
-
- /* Indicate USB not ready */
- UpdateStatus(Status_USBNotReady);
-
- /* Initialize Scheduler so that it can be used */
- Scheduler_Init();
-
- /* Initialize USB Subsystem */
USB_Init();
-
- /* Scheduling - routine never returns, so put this last in the main function */
- Scheduler_Start();
}
-/** Event handler for the USB_Connect event. This indicates that the device is enumerating via the status LEDs and
- * starts the library USB task to begin the enumeration and USB management process.
- */
void EVENT_USB_Connect(void)
{
- /* Start USB management task */
- Scheduler_SetTaskMode(USB_USBTask, TASK_RUN);
-
- /* Indicate USB enumerating */
- UpdateStatus(Status_USBEnumerating);
+ LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
}
-/** Event handler for the USB_Disconnect event. This indicates that the device is no longer connected to a host via
- * the status LEDs and stops the USB management and joystick reporting tasks.
- */
void EVENT_USB_Disconnect(void)
{
- /* Stop running joystick reporting and USB management tasks */
- Scheduler_SetTaskMode(USB_Joystick_Report, TASK_STOP);
- Scheduler_SetTaskMode(USB_USBTask, TASK_STOP);
-
- /* Indicate USB not ready */
- UpdateStatus(Status_USBNotReady);
+ LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
}
-/** Event handler for the USB_ConfigurationChanged event. This is fired when the host set the current configuration
- * of the USB device after enumeration - the device endpoints are configured and the joystick reporting task started.
- */
void EVENT_USB_ConfigurationChanged(void)
{
- /* Setup Joystick Report Endpoint */
- Endpoint_ConfigureEndpoint(JOYSTICK_EPNUM, EP_TYPE_INTERRUPT,
- ENDPOINT_DIR_IN, JOYSTICK_EPSIZE,
- ENDPOINT_BANK_SINGLE);
+ LEDs_SetAllLEDs(LEDMASK_USB_READY);
- /* Indicate USB connected and ready */
- UpdateStatus(Status_USBReady);
-
- /* Start joystick reporting task */
- Scheduler_SetTaskMode(USB_Joystick_Report, TASK_RUN);
+ if (!(USB_HID_ConfigureEndpoints(&Joystick_HID_Interface)))
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
}
-/** Event handler for the USB_UnhandledControlPacket event. This is used to catch standard and class specific
- * control requests that are not handled internally by the USB library (including the HID commands, which are
- * all issued via the control endpoint), so that they can be handled appropriately for the application.
- */
void EVENT_USB_UnhandledControlPacket(void)
{
- /* Handle HID Class specific requests */
- switch (USB_ControlRequest.bRequest)
- {
- case REQ_GetReport:
- if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
- {
- USB_JoystickReport_Data_t JoystickReportData;
-
- Endpoint_ClearSETUP();
-
- /* Create the next HID report to send to the host */
- GetNextReport(&JoystickReportData);
-
- /* Write the report data to the control endpoint */
- Endpoint_Write_Control_Stream_LE(&JoystickReportData, sizeof(JoystickReportData));
-
- /* Finalize the stream transfer to send the last packet or clear the host abort */
- Endpoint_ClearOUT();
- }
-
- break;
- }
+ USB_HID_ProcessControlPacket(&Joystick_HID_Interface);
}
-/** Fills the given HID report data structure with the next HID report to send to the host.
- *
- * \param ReportData Pointer to a HID report data structure to be filled
- *
- * \return Boolean true if the new report differs from the last report, false otherwise
- */
-bool GetNextReport(USB_JoystickReport_Data_t* ReportData)
+void EVENT_USB_StartOfFrame(void)
{
- static uint8_t PrevJoyStatus = 0;
- static uint8_t PrevButtonStatus = 0;
- uint8_t JoyStatus_LCL = Joystick_GetStatus();
- uint8_t ButtonStatus_LCL = Buttons_GetStatus();
- bool InputChanged = false;
+ USB_HID_RegisterStartOfFrame(&Joystick_HID_Interface);
+}
- /* Clear the report contents */
- memset(ReportData, 0, sizeof(USB_JoystickReport_Data_t));
+uint16_t CALLBACK_USB_HID_CreateNextHIDReport(USB_ClassInfo_HID_t* HIDInterfaceInfo, void* ReportData)
+{
+ USB_JoystickReport_Data_t* JoystickReport = (USB_JoystickReport_Data_t*)ReportData;
+
+ uint8_t JoyStatus_LCL = Joystick_GetStatus();
+ uint8_t ButtonStatus_LCL = Buttons_GetStatus();
if (JoyStatus_LCL & JOY_UP)
- ReportData->Y = -100;
+ JoystickReport->Y = -100;
else if (JoyStatus_LCL & JOY_DOWN)
- ReportData->Y = 100;
+ JoystickReport->Y = 100;
if (JoyStatus_LCL & JOY_RIGHT)
- ReportData->X = 100;
+ JoystickReport->X = 100;
else if (JoyStatus_LCL & JOY_LEFT)
- ReportData->X = -100;
+ JoystickReport->X = -100;
if (JoyStatus_LCL & JOY_PRESS)
- ReportData->Button = (1 << 1);
+ JoystickReport->Button = (1 << 1);
if (ButtonStatus_LCL & BUTTONS_BUTTON1)
- ReportData->Button |= (1 << 0);
+ JoystickReport->Button |= (1 << 0);
- /* Check if the new report is different to the previous report */
- InputChanged = (uint8_t)(PrevJoyStatus ^ JoyStatus_LCL) | (uint8_t)(PrevButtonStatus ^ ButtonStatus_LCL);
-
- /* Save the current joystick status for later comparison */
- PrevJoyStatus = JoyStatus_LCL;
- PrevButtonStatus = ButtonStatus_LCL;
-
- /* Return whether the new report is different to the previous report or not */
- return InputChanged;
+ return sizeof(USB_JoystickReport_Data_t);
}
-/** Function to manage status updates to the user. This is done via LEDs on the given board, if available, but may be changed to
- * log to a serial port, or anything else that is suitable for status updates.
- *
- * \param CurrentStatus Current status of the system, from the Joystick_StatusCodes_t enum
- */
-void UpdateStatus(uint8_t CurrentStatus)
+void CALLBACK_USB_HID_ProcessReceivedHIDReport(USB_ClassInfo_HID_t* HIDInterfaceInfo, void* ReportData, uint16_t ReportSize)
{
- uint8_t LEDMask = LEDS_NO_LEDS;
-
- /* Set the LED mask to the appropriate LED mask based on the given status code */
- switch (CurrentStatus)
- {
- case Status_USBNotReady:
- LEDMask = (LEDS_LED1);
- break;
- case Status_USBEnumerating:
- LEDMask = (LEDS_LED1 | LEDS_LED2);
- break;
- case Status_USBReady:
- LEDMask = (LEDS_LED2 | LEDS_LED4);
- break;
- }
-
- /* Set the board LEDs to the new LED mask */
- LEDs_SetAllLEDs(LEDMask);
-}
-
-/** Function to manage HID report generation and transmission to the host. */
-TASK(USB_Joystick_Report)
-{
- /* Check if the USB System is connected to a Host */
- if (USB_IsConnected)
- {
- /* Select the Joystick Report Endpoint */
- Endpoint_SelectEndpoint(JOYSTICK_EPNUM);
-
- /* Check to see if the host is ready for another packet */
- if (Endpoint_IsINReady())
- {
- USB_JoystickReport_Data_t JoystickReportData;
-
- /* Create the next HID report to send to the host */
- GetNextReport(&JoystickReportData);
-
- /* Write Joystick Report Data */
- Endpoint_Write_Stream_LE(&JoystickReportData, sizeof(JoystickReportData));
-
- /* Finalize the stream transfer to send the last packet */
- Endpoint_ClearIN();
-
- /* Clear the report data afterwards */
- memset(&JoystickReportData, 0, sizeof(JoystickReportData));
- }
- }
+ // Unused (but mandatory for the HID class driver) in this demo, since there are no Host->Device reports
}
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