SR_PRIV gboolean sr_vc870_packet_valid(const uint8_t *buf)
{
struct vc870_info info;
/* Byte 21: Always '\r' (carriage return, 0x0d, 13) */
/* Byte 22: Always '\n' (newline, 0x0a, 10) */
if (buf[21] != '\r' || buf[22] != '\n')
return FALSE;
parse_flags(buf, &info);
return flags_valid(&info);
}
SR_PRIV gboolean sr_metex14_packet_valid(const uint8_t *buf)
{
struct metex14_info info;
memset(&info, 0x00, sizeof(struct metex14_info));
parse_flags((const char *)buf, &info);
if (!flags_valid(&info))
return FALSE;
if (buf[13] != '\r')
return FALSE;
return TRUE;
}
/**
* Check whether a received frame is valid.
*
* @param[in] buf The text buffer with received data.
*
* @return TRUE upon success, FALSE otherwise.
*/
SR_PRIV gboolean sr_asycii_packet_valid(const uint8_t *buf)
{
struct asycii_info info;
/* First check whether we are in sync with the packet stream. */
if (buf[15] != '\r')
return FALSE;
/* Have the received packet content parsed. */
memset(&info, 0x00, sizeof(info));
parse_flags((const char *)buf, &info);
if (!flags_valid(&info))
return FALSE;
return TRUE;
}
SR_PRIV gboolean sr_fs9922_packet_valid(const uint8_t *buf)
{
struct fs9922_info info;
/* Byte 0: Sign (must be '+' or '-') */
if (buf[0] != '+' && buf[0] != '-')
return FALSE;
/* Byte 12: Always '\r' (carriage return, 0x0d, 13) */
/* Byte 13: Always '\n' (newline, 0x0a, 10) */
if (buf[12] != '\r' || buf[13] != '\n')
return FALSE;
parse_flags(buf, &info);
return flags_valid(&info);
}