diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/ao_launch.c | 170 | ||||
| -rw-r--r-- | src/ao_radio_cmac.c | 278 | ||||
| -rw-r--r-- | src/ao_telelaunch.c | 1 | ||||
| -rw-r--r-- | src/cc1111/ao_ignite.c | 6 | ||||
| -rw-r--r-- | src/cc1111/ao_packet_master.c | 6 | ||||
| -rw-r--r-- | src/cc1111/ao_timer.c | 1 | ||||
| -rw-r--r-- | src/core/ao.h | 59 | ||||
| -rw-r--r-- | src/core/ao_cmd.c | 44 | ||||
| -rw-r--r-- | src/core/ao_config.c | 36 | ||||
| -rw-r--r-- | src/core/ao_task.c | 7 |
10 files changed, 497 insertions, 111 deletions
diff --git a/src/ao_launch.c b/src/ao_launch.c index 4870869e..6c154719 100644 --- a/src/ao_launch.c +++ b/src/ao_launch.c @@ -17,43 +17,183 @@ #include "ao.h" +__xdata uint16_t ao_launch_ignite; + +static void +ao_launch_run(void) +{ + for (;;) { + while (!ao_launch_ignite) + ao_sleep(&ao_launch_ignite); + while (ao_launch_ignite) { + ao_launch_ignite = 0; + + ao_ignition[ao_igniter_drogue].firing = 1; + ao_ignition[ao_igniter_main].firing = 1; + AO_IGNITER_DROGUE = 1; + ao_delay(AO_MS_TO_TICKS(500)); + AO_IGNITER_DROGUE = 0; + ao_ignition[ao_igniter_drogue].firing = 0; + ao_ignition[ao_igniter_main].firing = 0; + } + } +} + +static void +ao_launch_status(void) +{ + uint8_t i; + for (;;) { + ao_delay(AO_SEC_TO_TICKS(1)); + if (ao_igniter_status(ao_igniter_drogue) == ao_igniter_ready) { + if (ao_igniter_status(ao_igniter_main) == ao_igniter_ready) { + for (i = 0; i < 5; i++) { + ao_beep_for(AO_BEEP_MID, AO_MS_TO_TICKS(50)); + ao_delay(AO_MS_TO_TICKS(100)); + } + } else { + ao_beep_for(AO_BEEP_MID, AO_MS_TO_TICKS(200)); + } + } + } +} + +static __pdata uint8_t ao_launch_armed; +static __pdata uint16_t ao_launch_arm_time; + static void ao_launch(void) { - enum ao_igniter_status arm_status, ignite_status; + static __xdata struct ao_launch_command command; + static __xdata struct ao_launch_query query; + int16_t time_difference; ao_led_off(AO_LED_RED); ao_beep_for(AO_BEEP_MID, AO_MS_TO_TICKS(200)); for (;;) { - arm_status = ao_igniter_status(ao_igniter_drogue); + if (ao_radio_cmac_recv(&command, sizeof (command), 0) != AO_RADIO_CMAC_OK) + continue; + + printf ("tick %d serial %d cmd %d channel %d\n", + command.tick, command.serial, command.cmd, command.channel); + + if (command.serial != ao_serial_number) { + printf ("serial number mismatch\n"); + continue; + } - switch (arm_status) { - case ao_igniter_unknown: + switch (command.cmd) { + case AO_LAUNCH_QUERY: + if (command.channel == 0) { + query.valid = 1; + query.arm_status = ao_igniter_status(ao_igniter_drogue); + query.igniter_status = ao_igniter_status(ao_igniter_main); + } else { + query.valid = 0; + } + query.tick = ao_time(); + query.serial = ao_serial_number; + query.channel = command.channel; + printf ("query tick %d serial %d channel %d valid %d arm %d igniter %d\n", + query.tick, query.serial, query.channel, query.valid, query.arm_status, + query.igniter_status); + ao_radio_cmac_send(&query, sizeof (query)); break; - case ao_igniter_active: - case ao_igniter_open: + case AO_LAUNCH_ARM: + if (command.channel != 0) + break; + time_difference = command.tick - ao_time(); + printf ("arm tick %d local tick %d\n", command.tick, ao_time()); + if (time_difference < 0) + time_difference = -time_difference; + if (time_difference > 10) { + printf ("time difference too large %d\n", time_difference); + break; + } + printf ("armed\n"); + ao_launch_armed = 1; + ao_launch_arm_time = ao_time(); break; - case ao_igniter_ready: - ignite_status = ao_igniter_status(ao_igniter_main); - switch (ignite_status) { - case ao_igniter_unknown: - /* some kind of failure signal here */ + case AO_LAUNCH_FIRE: + if (command.channel != 0) break; - case ao_igniter_active: + if (!ao_launch_armed) { + printf ("not armed\n"); break; - case ao_igniter_open: + } + if ((uint16_t) (ao_launch_arm_time - ao_time()) > AO_SEC_TO_TICKS(20)) { + printf ("late launch arm_time %d time %d\n", + ao_launch_arm_time, ao_time()); + break; + } + time_difference = command.tick - ao_time(); + if (time_difference < 0) + time_difference = -time_difference; + if (time_difference > 10) { + printf ("time different too large %d\n", time_difference); break; } + printf ("ignite\n"); + ao_launch_ignite = 1; + ao_wakeup(&ao_launch_ignite); break; } - ao_delay(AO_SEC_TO_TICKS(1)); } } +void +ao_launch_test(void) +{ + switch (ao_igniter_status(ao_igniter_drogue)) { + case ao_igniter_ready: + case ao_igniter_active: + printf ("Armed: "); + switch (ao_igniter_status(ao_igniter_main)) { + default: + printf("unknown status\n"); + break; + case ao_igniter_ready: + printf("igniter good\n"); + break; + case ao_igniter_open: + printf("igniter bad\n"); + break; + } + break; + default: + printf("Disarmed\n"); + } +} + +void +ao_launch_manual(void) +{ + ao_cmd_white(); + if (!ao_match_word("DoIt")) + return; + ao_cmd_white(); + ao_launch_ignite = 1; + ao_wakeup(&ao_launch_ignite); +} + static __xdata struct ao_task ao_launch_task; +static __xdata struct ao_task ao_launch_ignite_task; +static __xdata struct ao_task ao_launch_status_task; + +__code struct ao_cmds ao_launch_cmds[] = { + { ao_launch_test, "t\0Test launch continuity" }, + { ao_launch_manual, "i <key>\0Fire igniter. <key> is doit with D&I" }, + { 0, NULL } +}; void ao_launch_init(void) { - ao_add_task(&ao_launch_task, ao_launch, "launch status"); + AO_IGNITER_DROGUE = 0; + AO_IGNITER_MAIN = 0; + AO_IGNITER_DIR |= AO_IGNITER_DROGUE_BIT | AO_IGNITER_MAIN_BIT; + ao_cmd_register(&ao_launch_cmds[0]); + ao_add_task(&ao_launch_task, ao_launch, "launch listener"); + ao_add_task(&ao_launch_ignite_task, ao_launch_run, "launch igniter"); + ao_add_task(&ao_launch_status_task, ao_launch_status, "launch status"); } diff --git a/src/ao_radio_cmac.c b/src/ao_radio_cmac.c index 7648a2f5..9694b5b3 100644 --- a/src/ao_radio_cmac.c +++ b/src/ao_radio_cmac.c @@ -17,27 +17,24 @@ #include "ao.h" -#define AO_CMAC_KEY_LEN 16 +#define AO_CMAC_KEY_LEN AO_AES_LEN #define AO_CMAC_MAX_LEN (128 - AO_CMAC_KEY_LEN) -static __xdata uint8_t cmac_key[AO_CMAC_KEY_LEN]; +static __xdata uint8_t ao_radio_cmac_mutex; 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) { - __pdata char c; - - c = getchar(); - if ('0' <= c && c <= '9') - return c - '0'; - if ('a' <= c && c <= 'f') - return c - ('a' - 10); - if ('A' <= c && c <= 'F') - return c - ('A' - 10); - ao_cmd_status = ao_cmd_lex_error; - return 0; + 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 @@ -49,20 +46,137 @@ getbyte(void) return b; } +static uint8_t +round_len(uint8_t len) +{ + uint8_t rem; + + /* Make sure we transfer at least one packet, and + * then make sure every packet is full. Note that + * there is no length encoded, and that the receiver + * must deal with any extra bytes in the packet + */ + if (len < AO_CMAC_KEY_LEN) + len = AO_CMAC_KEY_LEN; + rem = len % AO_CMAC_KEY_LEN; + if (rem != 0) + len += (AO_CMAC_KEY_LEN - rem); + return len; +} + +/* + * Sign and deliver the data sitting in the cmac buffer + */ static void -ao_radio_cmac_key(void) __reentrant +radio_cmac_send(uint8_t len) __reentrant { uint8_t i; - for (i = 0; i < AO_CMAC_KEY_LEN; i++) { - cmac_key[i] = getbyte(); - if (ao_cmd_status != ao_cmd_success) - return; + len = round_len(len); + /* Make sure the AES key is loaded */ + ao_config_get(); + +#if HAS_MONITOR + ao_set_monitor(0); +#endif + + ao_mutex_get(&ao_aes_mutex); + ao_aes_set_mode(ao_aes_mode_cbc_mac); + ao_aes_set_key(ao_config.aes_key); + ao_aes_zero_iv(); + for (i = 0; i < len; i += AO_CMAC_KEY_LEN) { + if (i + AO_CMAC_KEY_LEN < len) + ao_aes_run(&cmac_data[i], NULL); + else + ao_aes_run(&cmac_data[i], &cmac_data[len]); } + ao_mutex_put(&ao_aes_mutex); + + ao_radio_send(cmac_data, len + AO_CMAC_KEY_LEN); +} + +/* + * Receive and validate an incoming packet + */ + +static int8_t +radio_cmac_recv(uint8_t len, uint16_t timeout) __reentrant +{ + uint8_t i; + + len = round_len(len); +#if HAS_MONITOR + ao_set_monitor(0); +#endif + if (timeout) + ao_alarm(timeout); + + i = ao_radio_recv(cmac_data, len + AO_CMAC_KEY_LEN + 2); + ao_clear_alarm(); + + if (!i) + return AO_RADIO_CMAC_TIMEOUT; + + if (!(cmac_data[len + AO_CMAC_KEY_LEN +1] & PKT_APPEND_STATUS_1_CRC_OK)) + return AO_RADIO_CMAC_CRC_ERROR; + + ao_config_get(); + + /* Compute the packet signature + */ + ao_mutex_get(&ao_aes_mutex); + ao_aes_set_mode(ao_aes_mode_cbc_mac); + ao_aes_set_key(ao_config.aes_key); + ao_aes_zero_iv(); + for (i = 0; i < len; i += AO_CMAC_KEY_LEN) { + if (i + AO_CMAC_KEY_LEN < len) + ao_aes_run(&cmac_data[i], NULL); + else + ao_aes_run(&cmac_data[i], &cmac_data[len + AO_CMAC_KEY_LEN + 2]); + } + ao_mutex_put(&ao_aes_mutex); + + /* Check the packet signature against the signature provided + * over the link + */ + + if (memcmp(&cmac_data[len], + &cmac_data[len + AO_CMAC_KEY_LEN + 2], + AO_CMAC_KEY_LEN) != 0) { + return AO_RADIO_CMAC_MAC_ERROR; + } + + return AO_RADIO_CMAC_OK; +} + +int8_t +ao_radio_cmac_send(__xdata void *packet, uint8_t len) __reentrant +{ + if (len > AO_CMAC_MAX_LEN) + return AO_RADIO_CMAC_LEN_ERROR; + ao_mutex_get(&ao_radio_cmac_mutex); + memcpy(cmac_data, packet, len); + radio_cmac_send(len); + ao_mutex_put(&ao_radio_cmac_mutex); + return AO_RADIO_CMAC_OK; +} + +int8_t +ao_radio_cmac_recv(__xdata void *packet, uint8_t len, uint16_t timeout) __reentrant +{ + uint8_t i; + if (len > AO_CMAC_MAX_LEN) + return AO_RADIO_CMAC_LEN_ERROR; + ao_mutex_get(&ao_radio_cmac_mutex); + i = radio_cmac_recv(len, timeout); + if (i == AO_RADIO_CMAC_OK) + memcpy(packet, cmac_data, len); + ao_mutex_put(&ao_radio_cmac_mutex); + return i; } static void -ao_radio_cmac_send(void) __reentrant +radio_cmac_send_cmd(void) __reentrant { uint8_t i; uint8_t len; @@ -70,43 +184,25 @@ ao_radio_cmac_send(void) __reentrant ao_cmd_decimal(); if (ao_cmd_status != ao_cmd_success) return; - if (ao_cmd_lex_i < AO_CMAC_KEY_LEN || - ao_cmd_lex_i > AO_CMAC_MAX_LEN || - ao_cmd_lex_i % AO_CMAC_KEY_LEN != 0) - { + 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; } - ao_mutex_get(&ao_aes_mutex); - ao_aes_set_mode(ao_aes_mode_cbc_mac); - ao_aes_set_key(cmac_key); - ao_aes_zero_iv(); - for (i = 0; i < len; i += AO_CMAC_KEY_LEN) { - if (i + AO_CMAC_KEY_LEN < len) - ao_aes_run(&cmac_data[i], NULL); - else - ao_aes_run(&cmac_data[i], &cmac_data[len]); - } - ao_mutex_put(&ao_aes_mutex); -#if HAS_MONITOR - ao_set_monitor(0); -#endif - printf("send:"); - for (i = 0; i < len + AO_CMAC_KEY_LEN; i++) - printf(" %02x", cmac_data[i]); - printf("\n"); flush(); - ao_radio_send(cmac_data, len + AO_CMAC_KEY_LEN); + radio_cmac_send(len); + ao_mutex_put(&ao_radio_cmac_mutex); } static void -ao_radio_cmac_recv(void) __reentrant +radio_cmac_recv_cmd(void) __reentrant { uint8_t len, i; uint16_t timeout; @@ -114,47 +210,79 @@ ao_radio_cmac_recv(void) __reentrant ao_cmd_decimal(); if (ao_cmd_status != ao_cmd_success) return; - if (ao_cmd_lex_i < AO_CMAC_KEY_LEN || - ao_cmd_lex_i > AO_CMAC_MAX_LEN || - ao_cmd_lex_i % AO_CMAC_KEY_LEN != 0) - { - ao_cmd_status = ao_cmd_syntax_error; - return; - } len = ao_cmd_lex_i; ao_cmd_decimal(); if (ao_cmd_status != ao_cmd_success) return; - timeout = ao_cmd_lex_i; -#if HAS_MONITOR - ao_set_monitor(0); -#endif - if (timeout) - ao_alarm(timeout); - if (!ao_radio_recv(cmac_data, len + AO_CMAC_KEY_LEN + 2)) { - printf("timeout\n"); + 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 ("\n"); + } else + printf ("ERROR %d\n", i); + ao_mutex_put(&ao_radio_cmac_mutex); +} + +static void +launch_report_cmd(void) __reentrant +{ + static __xdata struct ao_launch_command command; + static __xdata struct ao_launch_query query; + uint8_t channel; + uint16_t serial; + uint8_t i; + + ao_cmd_decimal(); + serial = ao_cmd_lex_i; + ao_cmd_decimal(); + channel = ao_cmd_lex_i; + if (ao_cmd_status != ao_cmd_success) return; + flush(); + for (i = 0; i < 10; i++) { + printf ("."); flush(); + command.tick = 0; + command.serial = serial; + command.cmd = AO_LAUNCH_QUERY; + command.channel = channel; + ao_radio_cmac_send(&command, sizeof (command)); + switch (ao_radio_cmac_recv(&query, sizeof (query), AO_MS_TO_TICKS(500))) { + case AO_RADIO_CMAC_OK: + printf("\n"); + switch (query.arm_status) { + case ao_igniter_ready: + case ao_igniter_active: + printf ("Armed: "); + switch (query.igniter_status) { + default: + printf("unknown status\n"); + break; + case ao_igniter_ready: + printf("igniter good\n"); + break; + case ao_igniter_open: + printf("igniter bad\n"); + break; + } + default: + printf("Disarmed\n"); + } + return; + default: + continue; + } } - ao_mutex_get(&ao_aes_mutex); - ao_aes_set_mode(ao_aes_mode_cbc_mac); - ao_aes_set_key(cmac_key); - ao_aes_zero_iv(); - for (i = 0; i < len; i += AO_CMAC_KEY_LEN) { - if (i + AO_CMAC_KEY_LEN < len) - ao_aes_run(&cmac_data[i], NULL); - else - ao_aes_run(&cmac_data[i], &cmac_data[len + AO_CMAC_KEY_LEN + 2]); - } - printf ("PACKET "); - for (i = 0; i < len + AO_CMAC_KEY_LEN + 2 + AO_CMAC_KEY_LEN; i++) - printf("%02x", cmac_data[i]); - printf ("\n"); + printf ("Timeout\n"); } static __code struct ao_cmds ao_radio_cmac_cmds[] = { - { ao_radio_cmac_key, "k\0Set AES-CMAC key. 16 key bytes follow on next line" }, - { ao_radio_cmac_send, "s <length>\0Send AES-CMAC packet. Bytes to send follow on next line" }, - { ao_radio_cmac_recv, "S <length> <timeout>\0Receive AES-CMAC packet. Timeout in ms" }, + { 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" }, { 0, NULL }, }; diff --git a/src/ao_telelaunch.c b/src/ao_telelaunch.c index b5404710..506431de 100644 --- a/src/ao_telelaunch.c +++ b/src/ao_telelaunch.c @@ -35,7 +35,6 @@ main(void) ao_storage_init(); ao_usb_init(); ao_radio_init(); - ao_igniter_init(); #if HAS_DBG ao_dbg_init(); #endif diff --git a/src/cc1111/ao_ignite.c b/src/cc1111/ao_ignite.c index 5238beb4..0fd2b4bf 100644 --- a/src/cc1111/ao_ignite.c +++ b/src/cc1111/ao_ignite.c @@ -39,12 +39,6 @@ #define AO_IGNITER_FIRE_TIME AO_MS_TO_TICKS(50) #define AO_IGNITER_CHARGE_TIME AO_MS_TO_TICKS(2000) -struct ao_ignition { - uint8_t request; - uint8_t fired; - uint8_t firing; -}; - __xdata struct ao_ignition ao_ignition[2]; void diff --git a/src/cc1111/ao_packet_master.c b/src/cc1111/ao_packet_master.c index b0fdf5a8..0d0be30e 100644 --- a/src/cc1111/ao_packet_master.c +++ b/src/cc1111/ao_packet_master.c @@ -80,13 +80,16 @@ ao_packet_master(void) ao_packet_master_time = ao_time(); ao_packet_master_delay = AO_PACKET_MASTER_DELAY_SHORT; while (ao_packet_enable) { + uint8_t r; memcpy(ao_tx_packet.callsign, ao_config.callsign, AO_MAX_CALLSIGN); ao_packet_send(); if (ao_tx_packet.len) ao_packet_master_busy(); ao_packet_master_check_busy(); ao_alarm(ao_packet_master_delay); - if (ao_packet_recv()) { + r = ao_packet_recv(); + ao_clear_alarm(); + if (r) { /* if we can transmit data, do so */ if (ao_packet_tx_used && ao_tx_packet.len == 0) continue; @@ -95,6 +98,7 @@ ao_packet_master(void) ao_packet_master_sleeping = 1; ao_alarm(ao_packet_master_delay); ao_sleep(&ao_packet_master_sleeping); + ao_clear_alarm(); ao_packet_master_sleeping = 0; } } diff --git a/src/cc1111/ao_timer.c b/src/cc1111/ao_timer.c index c977fbc8..aadee71e 100644 --- a/src/cc1111/ao_timer.c +++ b/src/cc1111/ao_timer.c @@ -31,6 +31,7 @@ ao_delay(uint16_t ticks) { ao_alarm(ticks); ao_sleep(&ao_forever); + ao_clear_alarm(); } #define T1_CLOCK_DIVISOR 8 /* 24e6/8 = 3e6 */ diff --git a/src/core/ao.h b/src/core/ao.h index 2898852b..a5bbb6f1 100644 --- a/src/core/ao.h +++ b/src/core/ao.h @@ -68,6 +68,10 @@ ao_wakeup(__xdata void *wchan); void ao_alarm(uint16_t delay); +/* Clear any pending alarm */ +void +ao_clear_alarm(void); + /* Yield the processor to another task */ void ao_yield(void) ao_arch_naked_declare; @@ -342,6 +346,12 @@ ao_cmd_put16(uint16_t v); void ao_cmd_white(void); +int8_t +ao_cmd_hexchar(char c); + +void +ao_cmd_hexbyte(void); + void ao_cmd_hex(void); @@ -1417,6 +1427,14 @@ enum ao_igniter_status { ao_igniter_open, /* open circuit detected */ }; +struct ao_ignition { + uint8_t request; + uint8_t fired; + uint8_t firing; +}; + +extern __xdata struct ao_ignition ao_ignition[2]; + enum ao_igniter_status ao_igniter_status(enum ao_igniter igniter); @@ -1431,7 +1449,8 @@ ao_igniter_init(void); */ #define AO_CONFIG_MAJOR 1 -#define AO_CONFIG_MINOR 8 +#define AO_CONFIG_MINOR 9 +#define AO_AES_LEN 16 struct ao_config { uint8_t major; @@ -1448,6 +1467,7 @@ struct ao_config { uint8_t pad_orientation; /* minor version 6 */ uint32_t radio_setting; /* minor version 7 */ uint8_t radio_enable; /* minor version 8 */ + uint8_t aes_key[AO_AES_LEN]; /* minor version 9 */ }; #define AO_IGNITE_MODE_DUAL 0 @@ -1635,8 +1655,6 @@ __xdata uint8_t ao_aes_mutex; /* AES keys and blocks are 128 bits */ -#define AO_AES_LEN 16 - enum ao_aes_mode { ao_aes_mode_cbc_mac }; @@ -1664,10 +1682,45 @@ ao_aes_init(void); /* ao_radio_cmac.c */ +int8_t +ao_radio_cmac_send(__xdata void *packet, uint8_t len) __reentrant; + +#define AO_RADIO_CMAC_OK 0 +#define AO_RADIO_CMAC_LEN_ERROR -1 +#define AO_RADIO_CMAC_CRC_ERROR -2 +#define AO_RADIO_CMAC_MAC_ERROR -3 +#define AO_RADIO_CMAC_TIMEOUT -4 + +int8_t +ao_radio_cmac_recv(__xdata void *packet, uint8_t len, uint16_t timeout) __reentrant; + void ao_radio_cmac_init(void); /* ao_launch.c */ + +struct ao_launch_command { + uint16_t tick; + uint16_t serial; + uint8_t cmd; + uint8_t channel; + uint16_t unused; +}; + +#define AO_LAUNCH_QUERY 1 + +struct ao_launch_query { + uint16_t tick; + uint16_t serial; + uint8_t channel; + uint8_t valid; + uint8_t arm_status; + uint8_t igniter_status; +}; + +#define AO_LAUNCH_ARM 2 +#define AO_LAUNCH_FIRE 3 + void ao_launch_init(void); diff --git a/src/core/ao_cmd.c b/src/core/ao_cmd.c index 7663d875..9e14c221 100644 --- a/src/core/ao_cmd.c +++ b/src/core/ao_cmd.c @@ -22,7 +22,7 @@ __pdata uint32_t ao_cmd_lex_u32; __pdata char ao_cmd_lex_c; __pdata enum ao_cmd_status ao_cmd_status; -#define CMD_LEN 32 +#define CMD_LEN 48 static __xdata char cmd_line[CMD_LEN]; static __pdata uint8_t cmd_len; @@ -128,22 +128,48 @@ ao_cmd_white(void) ao_cmd_lex(); } +int8_t +ao_cmd_hexchar(char c) +{ + if ('0' <= c && c <= '9') + return (c - '0'); + if ('a' <= c && c <= 'f') + return (c - 'a' + 10); + if ('A' <= c && c <= 'F') + return (c - 'A' + 10); + return -1; +} + +void +ao_cmd_hexbyte(void) +{ + uint8_t i; + int8_t n; + + ao_cmd_lex_i = 0; + ao_cmd_white(); + for (i = 0; i < 2; i++) { + n = ao_cmd_hexchar(ao_cmd_lex_c); + if (n < 0) { + ao_cmd_status = ao_cmd_syntax_error; + break; + } + ao_cmd_lex_i = (ao_cmd_lex_i << 4) | n; + ao_cmd_lex(); + } +} + void ao_cmd_hex(void) { __pdata uint8_t r = ao_cmd_lex_error; - uint8_t n; + int8_t n; ao_cmd_lex_i = 0; ao_cmd_white(); for(;;) { - if ('0' <= ao_cmd_lex_c && ao_cmd_lex_c <= '9') - n = (ao_cmd_lex_c - '0'); - else if ('a' <= ao_cmd_lex_c && ao_cmd_lex_c <= 'f') - n = (ao_cmd_lex_c - 'a' + 10); - else if ('A' <= ao_cmd_lex_c && ao_cmd_lex_c <= 'F') - n = (ao_cmd_lex_c - 'A' + 10); - else + n = ao_cmd_hexchar(ao_cmd_lex_c); + if (n < 0) break; ao_cmd_lex_i = (ao_cmd_lex_i << 4) | n; r = ao_cmd_success; diff --git a/src/core/ao_config.c b/src/core/ao_config.c index ec2b61f6..7f999feb 100644 --- a/src/core/ao_config.c +++ b/src/core/ao_config.c @@ -74,11 +74,14 @@ _ao_config_get(void) if (ao_config.major != AO_CONFIG_MAJOR) { ao_config.major = AO_CONFIG_MAJOR; ao_config.minor = 0; + + /* Version 0 stuff */ ao_config.main_deploy = AO_CONFIG_DEFAULT_MAIN_DEPLOY; ao_config.radio_channel = AO_CONFIG_DEFAULT_RADIO_CHANNEL; memset(&ao_config.callsign, '\0', sizeof (ao_config.callsign)); memcpy(&ao_config.callsign, AO_CONFIG_DEFAULT_CALLSIGN, sizeof(AO_CONFIG_DEFAULT_CALLSIGN) - 1); + ao_config_dirty = 1; } if (ao_config.minor < AO_CONFIG_MINOR) { /* Fixups for minor version 1 */ @@ -104,6 +107,8 @@ _ao_config_get(void) ao_config.radio_setting = ao_config.radio_cal; if (ao_config.minor < 8) ao_config.radio_enable = TRUE; + if (ao_config.minor < 9) + memset(&ao_config.aes_key, '\0', AO_AES_LEN); ao_config.minor = AO_CONFIG_MINOR; ao_config_dirty = 1; } @@ -414,6 +419,33 @@ ao_config_radio_enable_set(void) __reentrant _ao_config_edit_finish(); } +#if HAS_AES +void +ao_config_key_show(void) __reentrant +{ + uint8_t i; + printf("AES key: "); + for (i = 0; i < AO_AES_LEN; i++) + printf ("%02x", ao_config.aes_key[i]); + printf("\n"); +} + +void +ao_config_key_set(void) __reentrant +{ + uint8_t i; + + _ao_config_edit_start(); + for (i = 0; i < AO_AES_LEN; i++) { + ao_cmd_hexbyte(); + if (ao_cmd_status != ao_cmd_success) + break; + ao_config.aes_key[i] = ao_cmd_lex_i; + } + _ao_config_edit_finish(); +} +#endif + struct ao_config_var { __code char *str; void (*set)(void) __reentrant; @@ -462,6 +494,10 @@ __code struct ao_config_var ao_config_vars[] = { { "o <0 antenna up, 1 antenna down>\0Set pad orientation", ao_config_pad_orientation_set,ao_config_pad_orientation_show }, #endif +#if HAS_AES + { "k <32 hex digits>\0Set AES encryption key", + ao_config_key_set, ao_config_key_show }, +#endif { "s\0Show", ao_config_show, 0 }, #if HAS_EEPROM diff --git a/src/core/ao_task.c b/src/core/ao_task.c index 32826114..a19a6a6f 100644 --- a/src/core/ao_task.c +++ b/src/core/ao_task.c @@ -107,7 +107,6 @@ ao_sleep(__xdata void *wchan) ao_cur_task->wchan = wchan; ); ao_yield(); - ao_cur_task->alarm = 0; if (ao_cur_task->wchan) { ao_cur_task->wchan = NULL; return 1; @@ -136,6 +135,12 @@ ao_alarm(uint16_t delay) } void +ao_clear_alarm(void) +{ + ao_cur_task->alarm = 0; +} + +void ao_exit(void) { ao_arch_critical( |