relay_file.c

来自「VC下USB的驱动代码,及其相关操作检测。」· C语言 代码 · 共 54 行

#include "relay.h"

#include "relay_file.h"

#include "RF_USB_MAC.h"


extern unsigned short crc16(unsigned char * data, unsigned short len);


unsigned short _dflash_entry_num;

#define DFLASH_ENTRY_NUM  8192
#define DFLASH_ENTRY_SIZE  64

extern unsigned char blank_frame[RF_MAC_FRM_LEN];


/* the group address 0
*/
void relay_ftp_xfer(unsigned char grp, unsigned char src, signed short num)
{
    struct rf_mac_hdr * _hptr;
    struct relay_ftp * _ftptr;
//    struct relay_ftp_xfer * _ftpxfer;

    //means current position
    _dflash_entry_num = 0x8000;

    memset((unsigned char *)&blank_frame[0], 0, RF_MAC_FRM_DATA_LEN);

    //header
    _hptr = (struct rf_mac_hdr *)(blank_frame+RF_MAC_FRM_HEAD);

    _ftptr = (struct relay_ftp *)blank_frame;

    _ftptr->file_id = 0;
    _ftptr->entry_offset = num;
    _ftptr->entry_pos = _dflash_entry_num;

    _hptr->dst = 0;
    _hptr->src = src;

    _hptr->relay = 0;
    _hptr->grp = grp;
    _hptr->cmd = FRM_CMD_RELAY_FTP;

    _RF_USB_send_relay_frame(blank_frame, RF_MAC_FRM_DATA_LEN); 

}