Renesas MN4 Spezifikationen PDF herunterladen (Seite 42)

V850E2/MN4 USB CDC (Communication Device Class) Driver

R01AN0010EJ0101 Rev.1.01 Page 42 of 117

Feb 01, 2012

usbf850_data_receive

[Synopsis]

Receive USB data.

[C language format]

INT32 usbf850_data_receive(UINT8 *data, INT32 len, INT8 ep)

[Parameters]

Parameter Description

UINT8 *data Pointer to receive data buffer

INT32 len Receive data length

INT8 ep Endpoint number of the endpoint to be used for data reception

[Return Value]

Symbol Description

len (>=0) Size of the data that was transmitted normally.

DEV_ERROR Abnormal termination

[Function]

This function reads data from the FIFO for the specified endpoint into the receive data buffer, one byte at a time.

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Renesas MN4 Spezifikationen Seite 42