usbd_cdc_ser_read

#include <RTL.h>
#include <rl_usb.h>

S32 usbd_cdc_ser_read  (
        S8*  buffer,          // Character buffer
  const S32* length           // Buffer length, in bytes
);

The function usbd_cdc_ser_read reads data, buffer, with the length length from the serial port. The argument buffer is a pointer to the data block that should be read. The argument length is a pointer that specifies the length of the data block.

The function usbd_cdc_ser_read is part of the USB Device Function Driver layer of the RL-USB Device Software Stack.

Modify this function to the application needs.

Number of bytes read from the serial port.

usbd_cdc_init, usbd_cdc_ser_availchar, usbd_cdc_ser_closeport, usbd_cdc_ser_initport, usbd_cdc_ser_linestate, usbd_cdc_ser_openport, usbd_cdc_ser_write, usbd_vcom_chkserstate, usbd_vcom_serial2usb, usbd_vcom_usb2serial