Silicon Laboratories SiM3U1xx Manual de usuario descargar pdf (Pagina 22)

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22 Rev. 0.1

5.4.9. USB0_epn_handler

Handle endpoint n request.

Syntax

void USB0_epn_handler(void)

Parameters

None

Return Value

None

Description

This function handles all endpoint n request.

Example

if (usbEpInterruptMask & (SI32_USB_A_IOINT_IN1I_MASK | SI32_USB_A_IOINT_OUT1I_MASK))

{

Endpoint_SelectEndpoint(1);

USB0_epn_handler();

}

if (usbEpInterruptMask & (SI32_USB_A_IOINT_IN2I_MASK | SI32_USB_A_IOINT_OUT2I_MASK))

{

Endpoint_SelectEndpoint(2);

USB0_epn_handler();

}

5.4.10. Endpoint_WaitUntilReady

Wait for endpoint ready.

Syntax

uint8_t Endpoint_WaitUntilReady(void)

Parameters

None

Return Value

ENDPOINT_READYWAIT_NoError,

ENDPOINT_READYWAIT_EndpointStalled,

ENDPOINT_READYWAIT_DeviceDisconnected,

ENDPOINT_READYWAIT_BusSuspended,

ENDPOINT_READYWAIT_Timeout

Description

This function will check endpoint ready status. It set 100ms timeout with counting frame number.

Example

if ((ErrorCode = Endpoint_WaitUntilReady()) != ENDPOINT_READYWAIT_NoError)

return ErrorCode;

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Silicon Laboratories SiM3U1xx Manual de usuario Pagina 22