X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=src%2Fcore%2Fao_radio_cmac.c;h=bff848f6d249fd797bfd02198619e5f366fe68e8;hp=32ce879310607f9bf3cd9174ca1c3e17fc5cc266;hb=5c9172ba5681ff93d63c9c263a453d0025170045;hpb=c64999c39d6d9242f98bdc9312436c3333115bfd diff --git a/src/core/ao_radio_cmac.c b/src/core/ao_radio_cmac.c index 32ce8793..bff848f6 100644 --- a/src/core/ao_radio_cmac.c +++ b/src/core/ao_radio_cmac.c @@ -15,38 +15,13 @@ * 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 +#include 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) { @@ -109,18 +84,14 @@ radio_cmac_recv(uint8_t len, uint16_t timeout) __reentrant #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; @@ -174,7 +145,7 @@ ao_radio_cmac_send(__xdata void *packet, uint8_t len) __reentrant 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); @@ -191,228 +162,3 @@ ao_radio_cmac_recv(__xdata void *packet, uint8_t len, uint16_t timeout) __reentr 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 \0Send AES-CMAC packet. Bytes to send follow on next line" }, - { radio_cmac_recv_cmd, "S \0Receive AES-CMAC packet. Timeout in ms" }, - { launch_report_cmd, "l \0Get remote launch status" }, - { launch_fire_cmd, "f \0Fire remote igniter" }, - { launch_arm_cmd, "a \0Arm remote igniter" }, - { launch_ignite_cmd, "i \0Pulse remote igniter" }, - { 0, NULL }, -}; - -void -ao_radio_cmac_init(void) -{ - ao_cmd_register(&ao_radio_cmac_cmds[0]); -}