diff options
Diffstat (limited to 'src/modules/px4iofirmware')
| -rw-r--r-- | src/modules/px4iofirmware/mixer.cpp | 9 | ||||
| -rw-r--r-- | src/modules/px4iofirmware/protocol.h | 5 | ||||
| -rw-r--r-- | src/modules/px4iofirmware/registers.c | 28 |
3 files changed, 22 insertions, 20 deletions
diff --git a/src/modules/px4iofirmware/mixer.cpp b/src/modules/px4iofirmware/mixer.cpp index 2f721bf1e..606c639f9 100644 --- a/src/modules/px4iofirmware/mixer.cpp +++ b/src/modules/px4iofirmware/mixer.cpp @@ -111,7 +111,7 @@ mixer_tick(void) r_status_flags |= PX4IO_P_STATUS_FLAGS_FMU_OK; } - /* default to failsafe mixing */ + /* default to failsafe mixing - it will be forced below if flag is set */ source = MIX_FAILSAFE; /* @@ -155,6 +155,13 @@ mixer_tick(void) } /* + * Check if we should force failsafe - and do it if we have to + */ + if (r_setup_arming & PX4IO_P_SETUP_ARMING_FORCE_FAILSAFE) { + source = MIX_FAILSAFE; + } + + /* * Set failsafe status flag depending on mixing source */ if (source == MIX_FAILSAFE) { diff --git a/src/modules/px4iofirmware/protocol.h b/src/modules/px4iofirmware/protocol.h index d5a6b1ec4..050783687 100644 --- a/src/modules/px4iofirmware/protocol.h +++ b/src/modules/px4iofirmware/protocol.h @@ -179,6 +179,7 @@ #define PX4IO_P_SETUP_ARMING_ALWAYS_PWM_ENABLE (1 << 5) /* Output of PWM right after startup enabled to help ESCs initialize and prevent them from beeping */ #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_PWM_RATES 2 /* bitmask, 0 = low rate, 1 = high rate */ #define PX4IO_P_SETUP_PWM_DEFAULTRATE 3 /* 'low' PWM frame output rate in Hz */ @@ -253,6 +254,10 @@ enum { /* DSM bind states */ /* PWM failsafe values - zero disables the output */ #define PX4IO_PAGE_FAILSAFE_PWM 55 /**< 0..CONFIG_ACTUATOR_COUNT-1 */ +/* PWM failsafe values - zero disables the output */ +#define PX4IO_PAGE_SENSORS 56 /**< Sensors connected to PX4IO */ +#define PX4IO_P_SENSORS_ALTITUDE 0 /**< Altitude of an external sensor (HoTT or S.BUS2) */ + /* Debug and test page - not used in normal operation */ #define PX4IO_PAGE_TEST 127 #define PX4IO_P_TEST_LED 0 /**< set the amber LED on/off */ diff --git a/src/modules/px4iofirmware/registers.c b/src/modules/px4iofirmware/registers.c index b37259997..43161aa70 100644 --- a/src/modules/px4iofirmware/registers.c +++ b/src/modules/px4iofirmware/registers.c @@ -189,7 +189,8 @@ volatile uint16_t r_page_setup[] = PX4IO_P_SETUP_ARMING_FAILSAFE_CUSTOM | \ PX4IO_P_SETUP_ARMING_ALWAYS_PWM_ENABLE | \ PX4IO_P_SETUP_ARMING_RC_HANDLING_DISABLED | \ - PX4IO_P_SETUP_ARMING_LOCKDOWN) + PX4IO_P_SETUP_ARMING_LOCKDOWN | \ + PX4IO_P_SETUP_ARMING_FORCE_FAILSAFE) #define PX4IO_P_SETUP_RATES_VALID ((1 << PX4IO_SERVO_COUNT) - 1) #define PX4IO_P_SETUP_RELAYS_VALID ((1 << PX4IO_RELAY_CHANNELS) - 1) @@ -738,30 +739,19 @@ registers_get(uint8_t page, uint8_t offset, uint16_t **values, unsigned *num_val { /* * Coefficients here derived by measurement of the 5-16V - * range on one unit: + * range on one unit, validated on sample points of another unit * - * V counts - * 5 1001 - * 6 1219 - * 7 1436 - * 8 1653 - * 9 1870 - * 10 2086 - * 11 2303 - * 12 2522 - * 13 2738 - * 14 2956 - * 15 3172 - * 16 3389 + * Data in Tools/tests-host/data folder. * - * slope = 0.0046067 - * intercept = 0.3863 + * measured slope = 0.004585267878277 (int: 4585) + * nominal theoretic slope: 0.00459340659 (int: 4593) + * intercept = 0.016646394188076 (int: 16646) + * nominal theoretic intercept: 0.00 (int: 0) * - * Intercept corrected for best results @ 12V. */ unsigned counts = adc_measure(ADC_VBATT); if (counts != 0xffff) { - unsigned mV = (4150 + (counts * 46)) / 10 - 200; + unsigned mV = (166460 + (counts * 45934)) / 10000; unsigned corrected = (mV * r_page_setup[PX4IO_P_SETUP_VBATT_SCALE]) / 10000; r_page_status[PX4IO_P_STATUS_VBATT] = corrected; |