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Diffstat (limited to 'src/drivers/px4io/px4io.cpp')
-rw-r--r--src/drivers/px4io/px4io.cpp32
1 files changed, 29 insertions, 3 deletions
diff --git a/src/drivers/px4io/px4io.cpp b/src/drivers/px4io/px4io.cpp
index 97919538f..fbb5d4f2e 100644
--- a/src/drivers/px4io/px4io.cpp
+++ b/src/drivers/px4io/px4io.cpp
@@ -295,6 +295,7 @@ private:
float _battery_amp_bias; ///< current sensor bias
float _battery_mamphour_total;///< amp hours consumed so far
uint64_t _battery_last_timestamp;///< last amp hour calculation timestamp
+ bool _cb_flighttermination; ///< true if the flight termination circuit breaker is enabled
#ifdef CONFIG_ARCH_BOARD_PX4FMU_V1
bool _dsm_vcc_ctl; ///< true if relay 1 controls DSM satellite RX power
@@ -515,7 +516,8 @@ PX4IO::PX4IO(device::Device *interface) :
_battery_amp_per_volt(90.0f / 5.0f), // this matches the 3DR current sensor
_battery_amp_bias(0),
_battery_mamphour_total(0),
- _battery_last_timestamp(0)
+ _battery_last_timestamp(0),
+ _cb_flighttermination(true)
#ifdef CONFIG_ARCH_BOARD_PX4FMU_V1
, _dsm_vcc_ctl(false)
#endif
@@ -1051,6 +1053,9 @@ PX4IO::task_main()
}
}
+ /* Update Circuit breakers */
+ _cb_flighttermination = circuit_breaker_enabled("CBRK_FLIGHTTERM", CBRK_FLIGHTTERM_KEY);
+
}
}
@@ -1169,12 +1174,21 @@ PX4IO::io_set_arming_state()
clear |= PX4IO_P_SETUP_ARMING_LOCKDOWN;
}
- if (armed.force_failsafe) {
+ /* Do not set failsafe if circuit breaker is enabled */
+ if (armed.force_failsafe && !_cb_flighttermination) {
set |= PX4IO_P_SETUP_ARMING_FORCE_FAILSAFE;
} else {
clear |= PX4IO_P_SETUP_ARMING_FORCE_FAILSAFE;
}
+ // XXX this is for future support in the commander
+ // but can be removed if unneeded
+ // if (armed.termination_failsafe) {
+ // set |= PX4IO_P_SETUP_ARMING_TERMINATION_FAILSAFE;
+ // } else {
+ // clear |= PX4IO_P_SETUP_ARMING_TERMINATION_FAILSAFE;
+ // }
+
if (armed.ready_to_arm) {
set |= PX4IO_P_SETUP_ARMING_IO_ARM_OK;
@@ -2038,7 +2052,8 @@ PX4IO::print_status(bool extended_status)
((arming & PX4IO_P_SETUP_ARMING_INAIR_RESTART_OK) ? " INAIR_RESTART_OK" : ""),
((arming & PX4IO_P_SETUP_ARMING_ALWAYS_PWM_ENABLE) ? " ALWAYS_PWM_ENABLE" : ""),
((arming & PX4IO_P_SETUP_ARMING_LOCKDOWN) ? " LOCKDOWN" : ""),
- ((arming & PX4IO_P_SETUP_ARMING_FORCE_FAILSAFE) ? " FORCE_FAILSAFE" : "")
+ ((arming & PX4IO_P_SETUP_ARMING_FORCE_FAILSAFE) ? " FORCE_FAILSAFE" : ""),
+ ((arming & PX4IO_P_SETUP_ARMING_TERMINATION_FAILSAFE) ? " TERM_FAILSAFE" : "")
);
#ifdef CONFIG_ARCH_BOARD_PX4FMU_V1
printf("rates 0x%04x default %u alt %u relays 0x%04x\n",
@@ -2262,6 +2277,17 @@ PX4IO::ioctl(file * filep, int cmd, unsigned long arg)
}
break;
+ case PWM_SERVO_SET_TERMINATION_FAILSAFE:
+ /* if failsafe occurs, do not allow the system to recover */
+ if (arg == 0) {
+ /* clear termination failsafe flag */
+ ret = io_reg_modify(PX4IO_PAGE_SETUP, PX4IO_P_SETUP_ARMING, PX4IO_P_SETUP_ARMING_TERMINATION_FAILSAFE, 0);
+ } else {
+ /* set termination failsafe flag */
+ ret = io_reg_modify(PX4IO_PAGE_SETUP, PX4IO_P_SETUP_ARMING, 0, PX4IO_P_SETUP_ARMING_TERMINATION_FAILSAFE);
+ }
+ break;
+
case DSM_BIND_START:
/* only allow DSM2, DSM-X and DSM-X with more than 7 channels */