/* say "bibi" to the receiver */
static void zsay_bibi(void)
{
for (;;)
{
zput_pos(0L); /* reninit position of next file*/
zsend_hex_header(ZFIN, tx_header); /* send finished session cmd */
switch (zget_header(rx_header))
{
case ZFIN:
zsend_line('O');
zsend_line('O');
case ZCAN:
case TIMEOUT:
return;
}
}
}
/*
* send a string to the modem, processing for \336 (sleep 1 sec)
* and \335 (break signal)
*/
void zsend_break(char *cmd)
{
while (*cmd++)
{
switch (*cmd)
{
case '\336':
continue;
case '\335':
rt_thread_delay(RT_TICK_PER_SECOND);
continue;
default:
zsend_line(*cmd);
break;
}
}
}
/* receive file data,continously, no ack */
static rt_err_t zrec_file_data(rt_uint8_t *buf, struct zfile *zf)
{
rt_err_t res = -RT_ERROR;
more_data:
res = zget_data(buf,RX_BUFFER_SIZE);
switch(res)
{
case GOTCRCW: /* zack received */
zwrite_file(buf,Rxcount,zf);
zf->bytes_received += Rxcount;
zput_pos(zf->bytes_received);
zsend_line(XON);
zsend_hex_header(ZACK, tx_header);
return RT_EOK;
case GOTCRCQ:
zwrite_file(buf,Rxcount,zf);
zf->bytes_received += Rxcount;
zput_pos(zf->bytes_received);
zsend_hex_header(ZACK, tx_header);
goto more_data;
case GOTCRCG:
zwrite_file(buf,Rxcount,zf);
zf->bytes_received += Rxcount;
goto more_data;
case GOTCRCE:
zwrite_file(buf,Rxcount,zf);
zf->bytes_received += Rxcount;
return RT_EOK;
case GOTCAN:
#ifdef ZDEBUG
rt_kprintf("error code : ZCAN \r\n");
#endif
return res;
case TIMEOUT:
return res;
case -RT_ERROR:
zsend_break(Attn);
return res;
default:
return res;
}
}