diff options
Diffstat (limited to 'Demos/Device/GenericHID/GenericHID.c')
-rw-r--r-- | Demos/Device/GenericHID/GenericHID.c | 78 |
1 files changed, 73 insertions, 5 deletions
diff --git a/Demos/Device/GenericHID/GenericHID.c b/Demos/Device/GenericHID/GenericHID.c index fcd0e4d87..cacbdc55c 100644 --- a/Demos/Device/GenericHID/GenericHID.c +++ b/Demos/Device/GenericHID/GenericHID.c @@ -42,6 +42,18 @@ BUTTLOADTAG(BuildTime, __TIME__); BUTTLOADTAG(BuildDate, __DATE__);
BUTTLOADTAG(LUFAVersion, "LUFA V" LUFA_VERSION_STRING);
+/* Scheduler Task List */
+TASK_LIST
+{
+ #if !defined(INTERRUPT_CONTROL_ENDPOINT)
+ { Task: USB_USBTask , TaskStatus: TASK_STOP },
+ #endif
+
+ #if !defined(INTERRUPT_DATA_ENDPOINT)
+ { Task: USB_HID_Report , TaskStatus: TASK_STOP },
+ #endif
+};
+
/** Static buffer to hold the last received report from the host, so that it can be echoed back in the next sent report */
static uint8_t LastReceived[GENERIC_REPORT_SIZE];
@@ -61,11 +73,14 @@ int main(void) /* Indicate USB not ready */
UpdateStatus(Status_USBNotReady);
+ /* Initialize Scheduler so that it can be used */
+ Scheduler_Init();
+
/* Initialize USB Subsystem */
USB_Init();
-
- /* >> APPLICATION INIT CODE HERE << */
- for (;;);
+
+ /* Scheduling - routine never returns, so put this last in the main function */
+ Scheduler_Start();
}
/** Event handler for the USB_Reset event. This fires when the USB interface is reset by the USB host, before the
@@ -74,11 +89,13 @@ int main(void) */
EVENT_HANDLER(USB_Reset)
{
+ #if defined(INTERRUPT_CONTROL_ENDPOINT)
/* Select the control endpoint */
Endpoint_SelectEndpoint(ENDPOINT_CONTROLEP);
/* Enable the endpoint SETUP interrupt ISR for the control endpoint */
USB_INT_Enable(ENDPOINT_INT_SETUP);
+ #endif
}
/** Event handler for the USB_Connect event. This indicates that the device is enumerating via the status LEDs and
@@ -109,16 +126,20 @@ EVENT_HANDLER(USB_ConfigurationChanged) ENDPOINT_DIR_IN, GENERIC_EPSIZE,
ENDPOINT_BANK_SINGLE);
+ #if defined(INTERRUPT_DATA_ENDPOINT)
/* Enable the endpoint IN interrupt ISR for the report endpoint */
USB_INT_Enable(ENDPOINT_INT_IN);
+ #endif
/* Setup Generic OUT Report Endpoint */
Endpoint_ConfigureEndpoint(GENERIC_OUT_EPNUM, EP_TYPE_INTERRUPT,
ENDPOINT_DIR_OUT, GENERIC_EPSIZE,
ENDPOINT_BANK_SINGLE);
+ #if defined(INTERRUPT_DATA_ENDPOINT)
/* Enable the endpoint OUT interrupt ISR for the report endpoint */
USB_INT_Enable(ENDPOINT_INT_OUT);
+ #endif
/* Indicate USB connected and ready */
UpdateStatus(Status_USBReady);
@@ -237,6 +258,49 @@ void CreateGenericHIDReport(uint8_t* DataArray) DataArray[i] = LastReceived[i];
}
+#if !defined(INTERRUPT_DATA_ENDPOINT)
+TASK(USB_HID_Report)
+{
+ /* Check if the USB system is connected to a host */
+ if (USB_IsConnected)
+ {
+ Endpoint_SelectEndpoint(GENERIC_OUT_EPNUM);
+
+ if (Endpoint_ReadWriteAllowed())
+ {
+ /* Create a tempoary buffer to hold the read in report from the host */
+ uint8_t GenericData[GENERIC_REPORT_SIZE];
+
+ /* Read Generic Report Data */
+ Endpoint_Read_Stream_LE(&GenericData, sizeof(GenericData));
+
+ /* Process Generic Report Data */
+ ProcessGenericHIDReport(GenericData);
+
+ /* Finalize the stream transfer to send the last packet */
+ Endpoint_ClearCurrentBank();
+ }
+
+ Endpoint_SelectEndpoint(GENERIC_IN_EPNUM);
+
+ if (Endpoint_ReadWriteAllowed())
+ {
+ /* Create a tempoary buffer to hold the report to send to the host */
+ uint8_t GenericData[GENERIC_REPORT_SIZE];
+
+ /* Create Generic Report Data */
+ CreateGenericHIDReport(GenericData);
+
+ /* Write Generic Report Data */
+ Endpoint_Write_Stream_LE(&GenericData, sizeof(GenericData));
+
+ /* Finalize the stream transfer to send the last packet */
+ Endpoint_ClearCurrentBank();
+ }
+ }
+}
+#endif
+
/** ISR for the general Pipe/Endpoint interrupt vector. This ISR fires when an endpoint's status changes (such as
* a packet has been received) on an endpoint with its corresponding ISR enabling bits set. This is used to send
* HID packets to the host each time the HID interrupt endpoints polling period elapses, as managed by the USB
@@ -247,6 +311,7 @@ ISR(ENDPOINT_PIPE_vect, ISR_BLOCK) /* Save previously selected endpoint before selecting a new endpoint */
uint8_t PrevSelectedEndpoint = Endpoint_GetCurrentEndpoint();
+ #if defined(INTERRUPT_CONTROL_ENDPOINT)
/* Check if the control endpoint has received a request */
if (Endpoint_HasEndpointInterrupted(ENDPOINT_CONTROLEP))
{
@@ -259,7 +324,9 @@ ISR(ENDPOINT_PIPE_vect, ISR_BLOCK) /* Handshake the endpoint setup interrupt - must be after the call to USB_USBTask() */
USB_INT_Clear(ENDPOINT_INT_SETUP);
}
+ #endif
+ #if defined(INTERRUPT_DATA_ENDPOINT)
/* Check if Generic IN endpoint has interrupted */
if (Endpoint_HasEndpointInterrupted(GENERIC_IN_EPNUM))
{
@@ -272,7 +339,7 @@ ISR(ENDPOINT_PIPE_vect, ISR_BLOCK) /* Clear the Generic IN Report endpoint interrupt and select the endpoint */
Endpoint_ClearEndpointInterrupt(GENERIC_IN_EPNUM);
- /* Create a tempoary buffer to hold the report to send to the host */
+ /* Create a temporary buffer to hold the report to send to the host */
uint8_t GenericData[GENERIC_REPORT_SIZE];
/* Create Generic Report Data */
@@ -297,7 +364,7 @@ ISR(ENDPOINT_PIPE_vect, ISR_BLOCK) /* Clear the Generic OUT Report endpoint interrupt and select the endpoint */
Endpoint_ClearEndpointInterrupt(GENERIC_OUT_EPNUM);
- /* Create a tempoary buffer to hold the read in report from the host */
+ /* Create a temporary buffer to hold the read in report from the host */
uint8_t GenericData[GENERIC_REPORT_SIZE];
/* Read Generic Report Data */
@@ -309,6 +376,7 @@ ISR(ENDPOINT_PIPE_vect, ISR_BLOCK) /* Finalize the stream transfer to send the last packet */
Endpoint_ClearCurrentBank();
}
+ #endif
/* Restore previously selected endpoint */
Endpoint_SelectEndpoint(PrevSelectedEndpoint);
|