usbh_msc_read

#include <rl_usb.h>

BOOL usbh_msc_read (
  U8  ctrl,           // USB Host Controller index
  U8  dev_idx,        // Device instance index
  U32 blk_adr,        // Starting block address
  U8 *ptr_data,       // Pointer to data location
  U16 blk_num         // Number of blocks to be read
);

The function usbh_msc_read reads data from a mass storage device. The argument ctrl is the index of USB Host Controller. The argument dev_idx is the index of the device instance. The argument blk_adr is the address of the starting block to be read. The argument ptr_data is a pointer indicating the location where data will be read. The argument blk_num is a value indicating the number of blocks to be read.

The function is part of the RL-USB Host Class Driver software layer.

• __TRUE = executed successfully
• __FALSE (0) = failure

usbh_msc_get_last_error, usbh_msc_read_config, usbh_msc_status, usbh_msc_write