* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
-#include "ao.h"
-
-#define AO_CMAC_KEY_LEN AO_AES_LEN
-#define AO_CMAC_MAX_LEN (128 - AO_CMAC_KEY_LEN)
+#include <ao.h>
+#include <ao_radio_cmac.h>
static __xdata uint8_t ao_radio_cmac_mutex;
-__pdata int16_t ao_radio_cmac_rssi;
+__pdata int8_t ao_radio_cmac_rssi;
static __xdata uint8_t cmac_data[AO_CMAC_MAX_LEN + AO_CMAC_KEY_LEN + 2 + AO_CMAC_KEY_LEN];
-static __pdata uint8_t ao_radio_cmac_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 uint8_t
round_len(uint8_t len)
{
#if HAS_MONITOR
ao_monitor_set(0);
#endif
- if (timeout)
- ao_alarm(timeout);
-
- i = ao_radio_recv(cmac_data, len + AO_CMAC_KEY_LEN + 2);
- ao_clear_alarm();
+ i = ao_radio_recv(cmac_data, len + AO_CMAC_KEY_LEN + 2, timeout);
if (!i) {
ao_radio_cmac_rssi = 0;
return AO_RADIO_CMAC_TIMEOUT;
}
- ao_radio_cmac_rssi = (int16_t) (((int8_t) cmac_data[len + AO_CMAC_KEY_LEN]) >> 1) - 74;
+ ao_radio_cmac_rssi = ao_radio_rssi;
if (!(cmac_data[len + AO_CMAC_KEY_LEN +1] & AO_RADIO_STATUS_CRC_OK))
return AO_RADIO_CMAC_CRC_ERROR;
int8_t
ao_radio_cmac_recv(__xdata void *packet, uint8_t len, uint16_t timeout) __reentrant
{
- uint8_t i;
+ int8_t i;
if (len > AO_CMAC_MAX_LEN)
return AO_RADIO_CMAC_LEN_ERROR;
ao_mutex_get(&ao_radio_cmac_mutex);
return i;
}
-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();
- ao_mutex_get(&ao_radio_cmac_mutex);
- len = ao_cmd_lex_i;
- for (i = 0; i < len; i++) {
- cmac_data[i] = getbyte();
- if (ao_cmd_status != ao_cmd_success)
- return;
- }
- radio_cmac_send(len);
- ao_mutex_put(&ao_radio_cmac_mutex);
-}
-
-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);
- ao_mutex_get(&ao_radio_cmac_mutex);
- i = radio_cmac_recv(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);
- ao_mutex_put(&ao_radio_cmac_mutex);
-}
-
-static __xdata struct ao_launch_command command;
-static __xdata struct ao_launch_query query;
-static __pdata uint16_t launch_serial;
-static __pdata uint8_t launch_channel;
-static __pdata uint16_t tick_offset;
-
-static void
-launch_args(void) __reentrant
-{
- ao_cmd_decimal();
- launch_serial = ao_cmd_lex_i;
- ao_cmd_decimal();
- launch_channel = ao_cmd_lex_i;
-}
-
-static int8_t
-launch_query(void)
-{
- uint8_t i;
- int8_t r = AO_RADIO_CMAC_OK;
-
- tick_offset = ao_time();
- for (i = 0; i < 10; i++) {
- printf ("."); flush();
- command.tick = ao_time();
- command.serial = launch_serial;
- command.cmd = AO_LAUNCH_QUERY;
- command.channel = launch_channel;
- ao_radio_cmac_send(&command, sizeof (command));
- r = ao_radio_cmac_recv(&query, sizeof (query), AO_MS_TO_TICKS(500));
- if (r == AO_RADIO_CMAC_OK)
- break;
- }
- tick_offset -= query.tick;
- printf("\n"); flush();
- return r;
-}
-
-static void
-launch_report_cmd(void) __reentrant
-{
- int8_t r;
-
- launch_args();
- if (ao_cmd_status != ao_cmd_success)
- return;
- r = launch_query();
- switch (r) {
- case AO_RADIO_CMAC_OK:
- if (query.valid) {
- switch (query.arm_status) {
- case ao_igniter_ready:
- case ao_igniter_active:
- printf ("Armed: ");
- break;
- default:
- printf("Disarmed: ");
- }
- switch (query.igniter_status) {
- default:
- printf("unknown\n");
- break;
- case ao_igniter_ready:
- printf("igniter good\n");
- break;
- case ao_igniter_open:
- printf("igniter bad\n");
- break;
- }
- } else {
- printf("Invalid channel %d\n", launch_channel);
- }
- printf("Rssi: %d\n", ao_radio_cmac_rssi);
- break;
- default:
- printf("Error %d\n", r);
- break;
- }
-}
-
-static void
-launch_arm(void) __reentrant
-{
- command.tick = ao_time() - tick_offset;
- command.serial = launch_serial;
- command.cmd = AO_LAUNCH_ARM;
- command.channel = launch_channel;
- ao_radio_cmac_send(&command, sizeof (command));
-}
-
-static void
-launch_ignite(void) __reentrant
-{
- command.tick = ao_time() - tick_offset;
- command.serial = launch_serial;
- command.cmd = AO_LAUNCH_FIRE;
- command.channel = 0;
- ao_radio_cmac_send(&command, sizeof (command));
-}
-
-static void
-launch_fire_cmd(void) __reentrant
-{
- static __xdata struct ao_launch_command command;
- uint8_t secs;
- uint8_t i;
- int8_t r;
-
- launch_args();
- ao_cmd_decimal();
- secs = ao_cmd_lex_i;
- if (ao_cmd_status != ao_cmd_success)
- return;
- r = launch_query();
- if (r != AO_RADIO_CMAC_OK) {
- printf("query failed %d\n", r);
- return;
- }
-
- for (i = 0; i < 4; i++) {
- printf("arm %d\n", i); flush();
- launch_arm();
- }
-
- secs = secs * 10 - 5;
- if (secs > 100)
- secs = 100;
- for (i = 0; i < secs; i++) {
- printf("fire %d\n", i); flush();
- launch_ignite();
- ao_delay(AO_MS_TO_TICKS(100));
- }
-}
-
-static void
-launch_arm_cmd(void) __reentrant
-{
- uint8_t i;
- int8_t r;
- launch_args();
- r = launch_query();
- if (r != AO_RADIO_CMAC_OK) {
- printf("query failed %d\n", r);
- return;
- }
- for (i = 0; i < 4; i++)
- launch_arm();
-}
-
-static void
-launch_ignite_cmd(void) __reentrant
-{
- uint8_t i;
- launch_args();
- for (i = 0; i < 4; i++)
- launch_ignite();
-}
-
-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" },
- { launch_report_cmd, "l <serial> <channel>\0Get remote launch status" },
- { launch_fire_cmd, "f <serial> <channel> <secs>\0Fire remote igniter" },
- { launch_arm_cmd, "a <serial> <channel>\0Arm remote igniter" },
- { launch_ignite_cmd, "i <serial> <channel>\0Pulse remote igniter" },
- { 0, NULL },
-};
-
-void
-ao_radio_cmac_init(void)
-{
- ao_cmd_register(&ao_radio_cmac_cmds[0]);
-}
projects / fw / altos / blobdiff