diff options
Diffstat (limited to 'src/modules/px4iofirmware')
-rw-r--r-- | src/modules/px4iofirmware/mixer.cpp | 10 | ||||
-rw-r--r-- | src/modules/px4iofirmware/protocol.h | 3 | ||||
-rw-r--r-- | src/modules/px4iofirmware/registers.c | 18 |
3 files changed, 28 insertions, 3 deletions
diff --git a/src/modules/px4iofirmware/mixer.cpp b/src/modules/px4iofirmware/mixer.cpp index 606c639f9..1eacda97a 100644 --- a/src/modules/px4iofirmware/mixer.cpp +++ b/src/modules/px4iofirmware/mixer.cpp @@ -155,6 +155,16 @@ mixer_tick(void) } /* + * Check if failsafe termination is set - if yes, + * set the force failsafe flag once entering the first + * failsafe condition. + */ + if ((r_setup_arming & PX4IO_P_SETUP_ARMING_TERMINATION_FAILSAFE) && + (source == MIX_FAILSAFE)) { + r_setup_arming |= PX4IO_P_SETUP_ARMING_FORCE_FAILSAFE; + } + + /* * Check if we should force failsafe - and do it if we have to */ if (r_setup_arming & PX4IO_P_SETUP_ARMING_FORCE_FAILSAFE) { diff --git a/src/modules/px4iofirmware/protocol.h b/src/modules/px4iofirmware/protocol.h index 050783687..eae7f9567 100644 --- a/src/modules/px4iofirmware/protocol.h +++ b/src/modules/px4iofirmware/protocol.h @@ -1,6 +1,6 @@ /**************************************************************************** * - * Copyright (c) 2012, 2013 PX4 Development Team. All rights reserved. + * Copyright (c) 2012-2014 PX4 Development Team. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -180,6 +180,7 @@ #define PX4IO_P_SETUP_ARMING_RC_HANDLING_DISABLED (1 << 6) /* Disable the IO-internal evaluation of the RC */ #define PX4IO_P_SETUP_ARMING_LOCKDOWN (1 << 7) /* If set, the system operates normally, but won't actuate any servos */ #define PX4IO_P_SETUP_ARMING_FORCE_FAILSAFE (1 << 8) /* If set, the system will always output the failsafe values */ +#define PX4IO_P_SETUP_ARMING_TERMINATION_FAILSAFE (1 << 9) /* If set, the system will never return from a failsafe, but remain in failsafe once triggered. */ #define PX4IO_P_SETUP_PWM_RATES 2 /* bitmask, 0 = low rate, 1 = high rate */ #define PX4IO_P_SETUP_PWM_DEFAULTRATE 3 /* 'low' PWM frame output rate in Hz */ diff --git a/src/modules/px4iofirmware/registers.c b/src/modules/px4iofirmware/registers.c index 0da778b6f..7a5a5e484 100644 --- a/src/modules/px4iofirmware/registers.c +++ b/src/modules/px4iofirmware/registers.c @@ -1,6 +1,6 @@ /**************************************************************************** * - * Copyright (c) 2012, 2013 PX4 Development Team. All rights reserved. + * Copyright (c) 2012-2014 PX4 Development Team. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -190,7 +190,8 @@ volatile uint16_t r_page_setup[] = PX4IO_P_SETUP_ARMING_ALWAYS_PWM_ENABLE | \ PX4IO_P_SETUP_ARMING_RC_HANDLING_DISABLED | \ PX4IO_P_SETUP_ARMING_LOCKDOWN | \ - PX4IO_P_SETUP_ARMING_FORCE_FAILSAFE) + PX4IO_P_SETUP_ARMING_FORCE_FAILSAFE | \ + PX4IO_P_SETUP_ARMING_TERMINATION_FAILSAFE) #define PX4IO_P_SETUP_RATES_VALID ((1 << PX4IO_SERVO_COUNT) - 1) #define PX4IO_P_SETUP_RELAYS_VALID ((1 << PX4IO_RELAY_CHANNELS) - 1) @@ -518,6 +519,19 @@ registers_set_one(uint8_t page, uint8_t offset, uint16_t value) r_status_flags |= PX4IO_P_STATUS_FLAGS_INIT_OK; } + /* + * If the failsafe termination flag is set, do not allow the autopilot to unset it + */ + value |= (r_setup_arming & PX4IO_P_SETUP_ARMING_TERMINATION_FAILSAFE); + + /* + * If failsafe termination is enabled and force failsafe bit is set, do not allow + * the autopilot to clear it. + */ + if (r_setup_arming & PX4IO_P_SETUP_ARMING_TERMINATION_FAILSAFE) { + value |= (r_setup_arming & PX4IO_P_SETUP_ARMING_FORCE_FAILSAFE); + } + r_setup_arming = value; break; |