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/*
* Copyright © 2012 Keith Packard <keithp@keithp.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#include <ao.h>
#include <ao_radio_cmac_cmd.h>
#include <ao_radio_cmac.h>
static __xdata uint8_t cmac_data[AO_CMAC_MAX_LEN];
static uint8_t
getnibble(void)
{
int8_t b;
b = ao_cmd_hexchar(getchar());
if (b < 0) {
ao_cmd_status = ao_cmd_lex_error;
return 0;
}
return (uint8_t) b;
}
static uint8_t
getbyte(void)
{
uint8_t b;
b = getnibble() << 4;
b |= getnibble();
return b;
}
static void
radio_cmac_send_cmd(void) __reentrant
{
uint8_t i;
uint8_t len;
ao_cmd_decimal();
if (ao_cmd_status != ao_cmd_success)
return;
len = ao_cmd_lex_i;
if (len > AO_CMAC_MAX_LEN) {
ao_cmd_status = ao_cmd_syntax_error;
return;
}
flush();
len = ao_cmd_lex_i;
for (i = 0; i < len; i++) {
cmac_data[i] = getbyte();
if (ao_cmd_status != ao_cmd_success)
return;
}
ao_radio_cmac_send(cmac_data, len);
}
static void
radio_cmac_recv_cmd(void) __reentrant
{
uint8_t len, i;
uint16_t timeout;
ao_cmd_decimal();
if (ao_cmd_status != ao_cmd_success)
return;
len = ao_cmd_lex_i;
ao_cmd_decimal();
if (ao_cmd_status != ao_cmd_success)
return;
timeout = AO_MS_TO_TICKS(ao_cmd_lex_i);
i = ao_radio_cmac_recv(cmac_data, len, timeout);
if (i == AO_RADIO_CMAC_OK) {
printf ("PACKET ");
for (i = 0; i < len; i++)
printf("%02x", cmac_data[i]);
printf (" %d\n", ao_radio_cmac_rssi);
} else
printf ("ERROR %d %d\n", i, ao_radio_cmac_rssi);
}
static __code struct ao_cmds ao_radio_cmac_cmds[] = {
{ radio_cmac_send_cmd, "s <length>\0Send AES-CMAC packet. Bytes to send follow on next line" },
{ radio_cmac_recv_cmd, "S <length> <timeout>\0Receive AES-CMAC packet. Timeout in ms" },
{ 0, NULL },
};
void
ao_radio_cmac_cmd_init(void)
{
ao_cmd_register(&ao_radio_cmac_cmds[0]);
}
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