diff options
Diffstat (limited to 'src/drivers/px4fmu/fmu.cpp')
-rw-r--r-- | src/drivers/px4fmu/fmu.cpp | 362 |
1 files changed, 251 insertions, 111 deletions
diff --git a/src/drivers/px4fmu/fmu.cpp b/src/drivers/px4fmu/fmu.cpp index 37805005c..82977a032 100644 --- a/src/drivers/px4fmu/fmu.cpp +++ b/src/drivers/px4fmu/fmu.cpp @@ -92,6 +92,7 @@ public: MODE_2PWM, MODE_4PWM, MODE_6PWM, + MODE_8PWM, }; PX4FMU(); virtual ~PX4FMU(); @@ -113,6 +114,9 @@ private: #if defined(CONFIG_ARCH_BOARD_PX4FMU_V2) static const unsigned _max_actuators = 6; #endif +#if defined(CONFIG_ARCH_BOARD_AEROCORE) + static const unsigned _max_actuators = 8; +#endif Mode _mode; unsigned _pwm_default_rate; @@ -120,19 +124,25 @@ private: uint32_t _pwm_alt_rate_channels; unsigned _current_update_rate; int _task; - int _t_actuators; - int _t_actuator_armed; - orb_advert_t _t_outputs; + int _armed_sub; + orb_advert_t _outputs_pub; + actuator_armed_s _armed; unsigned _num_outputs; bool _primary_pwm_device; volatile bool _task_should_exit; - bool _armed; + bool _servo_armed; bool _pwm_on; MixerGroup *_mixers; - actuator_controls_s _controls; + uint32_t _groups_required; + uint32_t _groups_subscribed; + int _control_subs[NUM_ACTUATOR_CONTROL_GROUPS]; + actuator_controls_s _controls[NUM_ACTUATOR_CONTROL_GROUPS]; + orb_id_t _control_topics[NUM_ACTUATOR_CONTROL_GROUPS]; + pollfd _poll_fds[NUM_ACTUATOR_CONTROL_GROUPS]; + unsigned _poll_fds_num; pwm_limit_t _pwm_limit; uint16_t _failsafe_pwm[_max_actuators]; @@ -143,13 +153,13 @@ private: unsigned _num_disarmed_set; static void task_main_trampoline(int argc, char *argv[]); - void task_main() __attribute__((noreturn)); + void task_main(); static int control_callback(uintptr_t handle, uint8_t control_group, uint8_t control_index, float &input); - + void subscribe(); int set_pwm_rate(unsigned rate_map, unsigned default_rate, unsigned alt_rate); int pwm_ioctl(file *filp, int cmd, unsigned long arg); @@ -169,6 +179,9 @@ private: uint32_t gpio_read(void); int gpio_ioctl(file *filp, int cmd, unsigned long arg); + /* do not allow to copy due to ptr data members */ + PX4FMU(const PX4FMU&); + PX4FMU operator=(const PX4FMU&); }; const PX4FMU::GPIOConfig PX4FMU::_gpio_tab[] = { @@ -197,6 +210,20 @@ const PX4FMU::GPIOConfig PX4FMU::_gpio_tab[] = { {GPIO_VDD_5V_HIPOWER_OC, 0, 0}, {GPIO_VDD_5V_PERIPH_OC, 0, 0}, #endif +#if defined(CONFIG_ARCH_BOARD_AEROCORE) + /* AeroCore breaks out User GPIOs on J11 */ + {GPIO_GPIO0_INPUT, GPIO_GPIO0_OUTPUT, 0}, + {GPIO_GPIO1_INPUT, GPIO_GPIO1_OUTPUT, 0}, + {GPIO_GPIO3_INPUT, GPIO_GPIO3_OUTPUT, 0}, + {GPIO_GPIO4_INPUT, GPIO_GPIO4_OUTPUT, 0}, + {GPIO_GPIO5_INPUT, GPIO_GPIO5_OUTPUT, 0}, + {GPIO_GPIO6_INPUT, GPIO_GPIO6_OUTPUT, 0}, + {GPIO_GPIO7_INPUT, GPIO_GPIO7_OUTPUT, 0}, + {GPIO_GPIO8_INPUT, GPIO_GPIO8_OUTPUT, 0}, + {GPIO_GPIO9_INPUT, GPIO_GPIO9_OUTPUT, 0}, + {GPIO_GPIO10_INPUT, GPIO_GPIO10_OUTPUT, 0}, + {GPIO_GPIO11_INPUT, GPIO_GPIO11_OUTPUT, 0}, +#endif }; const unsigned PX4FMU::_ngpio = sizeof(PX4FMU::_gpio_tab) / sizeof(PX4FMU::_gpio_tab[0]); @@ -216,25 +243,38 @@ PX4FMU::PX4FMU() : _pwm_alt_rate_channels(0), _current_update_rate(0), _task(-1), - _t_actuators(-1), - _t_actuator_armed(-1), - _t_outputs(0), + _armed_sub(-1), + _outputs_pub(-1), + _armed{}, _num_outputs(0), _primary_pwm_device(false), _task_should_exit(false), - _armed(false), + _servo_armed(false), _pwm_on(false), _mixers(nullptr), - _failsafe_pwm({0}), - _disarmed_pwm({0}), - _num_failsafe_set(0), - _num_disarmed_set(0) + _groups_required(0), + _groups_subscribed(0), + _control_subs{-1}, + _poll_fds_num(0), + _pwm_limit{}, + _failsafe_pwm{0}, + _disarmed_pwm{0}, + _num_failsafe_set(0), + _num_disarmed_set(0) { for (unsigned i = 0; i < _max_actuators; i++) { _min_pwm[i] = PWM_DEFAULT_MIN; _max_pwm[i] = PWM_DEFAULT_MAX; } + _control_topics[0] = ORB_ID(actuator_controls_0); + _control_topics[1] = ORB_ID(actuator_controls_1); + _control_topics[2] = ORB_ID(actuator_controls_2); + _control_topics[3] = ORB_ID(actuator_controls_3); + + memset(_controls, 0, sizeof(_controls)); + memset(_poll_fds, 0, sizeof(_poll_fds)); + _debug_enabled = true; } @@ -294,7 +334,7 @@ PX4FMU::init() _task = task_spawn_cmd("fmuservo", SCHED_DEFAULT, SCHED_PRIORITY_DEFAULT, - 2048, + 1600, (main_t)&PX4FMU::task_main_trampoline, nullptr); @@ -365,6 +405,20 @@ PX4FMU::set_mode(Mode mode) break; +#ifdef CONFIG_ARCH_BOARD_AEROCORE + case MODE_8PWM: // AeroCore PWMs as 8 PWM outs + debug("MODE_8PWM"); + /* default output rates */ + _pwm_default_rate = 50; + _pwm_alt_rate = 50; + _pwm_alt_rate_channels = 0; + + /* XXX magic numbers */ + up_pwm_servo_init(0xff); + set_pwm_rate(_pwm_alt_rate_channels, _pwm_default_rate, _pwm_alt_rate); + break; +#endif + case MODE_NONE: debug("MODE_NONE"); @@ -448,32 +502,42 @@ PX4FMU::set_pwm_alt_channels(uint32_t channels) } void +PX4FMU::subscribe() +{ + /* subscribe/unsubscribe to required actuator control groups */ + uint32_t sub_groups = _groups_required & ~_groups_subscribed; + uint32_t unsub_groups = _groups_subscribed & ~_groups_required; + _poll_fds_num = 0; + for (unsigned i = 0; i < NUM_ACTUATOR_CONTROL_GROUPS; i++) { + if (sub_groups & (1 << i)) { + warnx("subscribe to actuator_controls_%d", i); + _control_subs[i] = orb_subscribe(_control_topics[i]); + } + if (unsub_groups & (1 << i)) { + warnx("unsubscribe from actuator_controls_%d", i); + ::close(_control_subs[i]); + _control_subs[i] = -1; + } + + if (_control_subs[i] > 0) { + _poll_fds[_poll_fds_num].fd = _control_subs[i]; + _poll_fds[_poll_fds_num].events = POLLIN; + _poll_fds_num++; + } + } +} + +void PX4FMU::task_main() { - /* - * Subscribe to the appropriate PWM output topic based on whether we are the - * primary PWM output or not. - */ - _t_actuators = orb_subscribe(_primary_pwm_device ? ORB_ID_VEHICLE_ATTITUDE_CONTROLS : - ORB_ID(actuator_controls_1)); /* force a reset of the update rate */ _current_update_rate = 0; - _t_actuator_armed = orb_subscribe(ORB_ID(actuator_armed)); - orb_set_interval(_t_actuator_armed, 200); /* 5Hz update rate */ + _armed_sub = orb_subscribe(ORB_ID(actuator_armed)); /* advertise the mixed control outputs */ actuator_outputs_s outputs; memset(&outputs, 0, sizeof(outputs)); - /* advertise the mixed control outputs */ - _t_outputs = orb_advertise(_primary_pwm_device ? ORB_ID_VEHICLE_CONTROLS : ORB_ID(actuator_outputs_1), - &outputs); - - pollfd fds[2]; - fds[0].fd = _t_actuators; - fds[0].events = POLLIN; - fds[1].fd = _t_actuator_armed; - fds[1].events = POLLIN; #ifdef HRT_PPM_CHANNEL // rc input, published to ORB @@ -491,6 +555,12 @@ PX4FMU::task_main() /* loop until killed */ while (!_task_should_exit) { + if (_groups_subscribed != _groups_required) { + subscribe(); + _groups_subscribed = _groups_required; + /* force setting update rate */ + _current_update_rate = 0; + } /* * Adjust actuator topic update rate to keep up with @@ -515,20 +585,23 @@ PX4FMU::task_main() } debug("adjusted actuator update interval to %ums", update_rate_in_ms); - orb_set_interval(_t_actuators, update_rate_in_ms); + for (unsigned i = 0; i < NUM_ACTUATOR_CONTROL_GROUPS; i++) { + if (_control_subs[i] > 0) { + orb_set_interval(_control_subs[i], update_rate_in_ms); + } + } // set to current max rate, even if we are actually checking slower/faster _current_update_rate = max_rate; } /* sleep waiting for data, stopping to check for PPM - * input at 100Hz */ - int ret = ::poll(&fds[0], 2, CONTROL_INPUT_DROP_LIMIT_MS); + * input at 50Hz */ + int ret = ::poll(_poll_fds, _poll_fds_num, CONTROL_INPUT_DROP_LIMIT_MS); /* this would be bad... */ if (ret < 0) { log("poll error %d", errno); - usleep(1000000); continue; } else if (ret == 0) { @@ -537,93 +610,100 @@ PX4FMU::task_main() } else { - /* do we have a control update? */ - if (fds[0].revents & POLLIN) { - - /* get controls - must always do this to avoid spinning */ - orb_copy(_primary_pwm_device ? ORB_ID_VEHICLE_ATTITUDE_CONTROLS : - ORB_ID(actuator_controls_1), _t_actuators, &_controls); + /* get controls for required topics */ + unsigned poll_id = 0; + for (unsigned i = 0; i < NUM_ACTUATOR_CONTROL_GROUPS; i++) { + if (_control_subs[i] > 0) { + if (_poll_fds[poll_id].revents & POLLIN) { + orb_copy(_control_topics[i], _control_subs[i], &_controls[i]); + } + poll_id++; + } + } - /* can we mix? */ - if (_mixers != nullptr) { + /* can we mix? */ + if (_mixers != nullptr) { - unsigned num_outputs; + unsigned num_outputs; - switch (_mode) { - case MODE_2PWM: - num_outputs = 2; - break; + switch (_mode) { + case MODE_2PWM: + num_outputs = 2; + break; - case MODE_4PWM: - num_outputs = 4; - break; + case MODE_4PWM: + num_outputs = 4; + break; - case MODE_6PWM: - num_outputs = 6; - break; + case MODE_6PWM: + num_outputs = 6; + break; - default: - num_outputs = 0; - break; - } + case MODE_8PWM: + num_outputs = 8; + break; + default: + num_outputs = 0; + break; + } - /* do mixing */ - outputs.noutputs = _mixers->mix(&outputs.output[0], num_outputs); - outputs.timestamp = hrt_absolute_time(); - - /* iterate actuators */ - for (unsigned i = 0; i < num_outputs; i++) { - /* last resort: catch NaN, INF and out-of-band errors */ - if (i >= outputs.noutputs || - !isfinite(outputs.output[i]) || - outputs.output[i] < -1.0f || - outputs.output[i] > 1.0f) { - /* - * Value is NaN, INF or out of band - set to the minimum value. - * This will be clearly visible on the servo status and will limit the risk of accidentally - * spinning motors. It would be deadly in flight. - */ - outputs.output[i] = -1.0f; - } + /* do mixing */ + outputs.noutputs = _mixers->mix(&outputs.output[0], num_outputs); + outputs.timestamp = hrt_absolute_time(); + + /* iterate actuators */ + for (unsigned i = 0; i < num_outputs; i++) { + /* last resort: catch NaN and INF */ + if ((i >= outputs.noutputs) || + !isfinite(outputs.output[i])) { + /* + * Value is NaN, INF or out of band - set to the minimum value. + * This will be clearly visible on the servo status and will limit the risk of accidentally + * spinning motors. It would be deadly in flight. + */ + outputs.output[i] = -1.0f; } + } - uint16_t pwm_limited[num_outputs]; + uint16_t pwm_limited[num_outputs]; - // XXX: hack: always armed - _armed = true; + /* the PWM limit call takes care of out of band errors and constrains */ + pwm_limit_calc(_servo_armed, num_outputs, _disarmed_pwm, _min_pwm, _max_pwm, outputs.output, pwm_limited, &_pwm_limit); - pwm_limit_calc(_armed, num_outputs, _disarmed_pwm, _min_pwm, _max_pwm, outputs.output, pwm_limited, &_pwm_limit); + /* output to the servos */ + for (unsigned i = 0; i < num_outputs; i++) { + up_pwm_servo_set(i, pwm_limited[i]); + } - /* output to the servos */ - for (unsigned i = 0; i < num_outputs; i++) { - up_pwm_servo_set(i, pwm_limited[i]); - } + /* publish mixed control outputs */ + if (_outputs_pub < 0) { + _outputs_pub = orb_advertise(_primary_pwm_device ? ORB_ID_VEHICLE_CONTROLS : ORB_ID(actuator_outputs_1), &outputs); + } else { - /* and publish for anyone that cares to see */ - orb_publish(_primary_pwm_device ? ORB_ID_VEHICLE_CONTROLS : ORB_ID(actuator_outputs_1), _t_outputs, &outputs); + orb_publish(_primary_pwm_device ? ORB_ID_VEHICLE_CONTROLS : ORB_ID(actuator_outputs_1), _outputs_pub, &outputs); } } + } - /* how about an arming update? */ - if (fds[1].revents & POLLIN) { - actuator_armed_s aa; + /* check arming state */ + bool updated = false; + orb_check(_armed_sub, &updated); - /* get new value */ - orb_copy(ORB_ID(actuator_armed), _t_actuator_armed, &aa); + if (updated) { + orb_copy(ORB_ID(actuator_armed), _armed_sub, &_armed); - /* update the armed status and check that we're not locked down */ - bool set_armed = aa.armed && !aa.lockdown; + /* update the armed status and check that we're not locked down */ + bool set_armed = _armed.armed && !_armed.lockdown; - if (_armed != set_armed) - _armed = set_armed; + if (_servo_armed != set_armed) + _servo_armed = set_armed; - /* update PWM status if armed or if disarmed PWM values are set */ - bool pwm_on = (aa.armed || _num_disarmed_set > 0); + /* update PWM status if armed or if disarmed PWM values are set */ + bool pwm_on = (_armed.armed || _num_disarmed_set > 0); - if (_pwm_on != pwm_on) { - _pwm_on = pwm_on; - up_pwm_servo_arm(pwm_on); - } + if (_pwm_on != pwm_on) { + _pwm_on = pwm_on; + up_pwm_servo_arm(pwm_on); } } @@ -665,8 +745,13 @@ PX4FMU::task_main() } - ::close(_t_actuators); - ::close(_t_actuator_armed); + for (unsigned i = 0; i < NUM_ACTUATOR_CONTROL_GROUPS; i++) { + if (_control_subs[i] > 0) { + ::close(_control_subs[i]); + _control_subs[i] = -1; + } + } + ::close(_armed_sub); /* make sure servos are off */ up_pwm_servo_deinit(); @@ -688,7 +773,7 @@ PX4FMU::control_callback(uintptr_t handle, { const actuator_controls_s *controls = (actuator_controls_s *)handle; - input = controls->control[control_index]; + input = controls[control_group].control[control_index]; return 0; } @@ -711,6 +796,9 @@ PX4FMU::ioctl(file *filp, int cmd, unsigned long arg) case MODE_2PWM: case MODE_4PWM: case MODE_6PWM: +#ifdef CONFIG_ARCH_BOARD_AEROCORE + case MODE_8PWM: +#endif ret = pwm_ioctl(filp, cmd, arg); break; @@ -740,6 +828,7 @@ PX4FMU::pwm_ioctl(file *filp, int cmd, unsigned long arg) case PWM_SERVO_SET_ARM_OK: case PWM_SERVO_CLEAR_ARM_OK: + case PWM_SERVO_SET_FORCE_SAFETY_OFF: // these are no-ops, as no safety switch break; @@ -939,6 +1028,15 @@ PX4FMU::pwm_ioctl(file *filp, int cmd, unsigned long arg) break; } +#ifdef CONFIG_ARCH_BOARD_AEROCORE + case PWM_SERVO_SET(7): + case PWM_SERVO_SET(6): + if (_mode < MODE_8PWM) { + ret = -EINVAL; + break; + } +#endif + case PWM_SERVO_SET(5): case PWM_SERVO_SET(4): if (_mode < MODE_6PWM) { @@ -966,6 +1064,15 @@ PX4FMU::pwm_ioctl(file *filp, int cmd, unsigned long arg) break; +#ifdef CONFIG_ARCH_BOARD_AEROCORE + case PWM_SERVO_GET(7): + case PWM_SERVO_GET(6): + if (_mode < MODE_8PWM) { + ret = -EINVAL; + break; + } +#endif + case PWM_SERVO_GET(5): case PWM_SERVO_GET(4): if (_mode < MODE_6PWM) { @@ -993,12 +1100,22 @@ PX4FMU::pwm_ioctl(file *filp, int cmd, unsigned long arg) case PWM_SERVO_GET_RATEGROUP(3): case PWM_SERVO_GET_RATEGROUP(4): case PWM_SERVO_GET_RATEGROUP(5): +#ifdef CONFIG_ARCH_BOARD_AEROCORE + case PWM_SERVO_GET_RATEGROUP(6): + case PWM_SERVO_GET_RATEGROUP(7): +#endif *(uint32_t *)arg = up_pwm_servo_get_rate_group(cmd - PWM_SERVO_GET_RATEGROUP(0)); break; case PWM_SERVO_GET_COUNT: case MIXERIOCGETOUTPUTCOUNT: switch (_mode) { +#ifdef CONFIG_ARCH_BOARD_AEROCORE + case MODE_8PWM: + *(unsigned *)arg = 8; + break; +#endif + case MODE_6PWM: *(unsigned *)arg = 6; break; @@ -1044,6 +1161,11 @@ PX4FMU::pwm_ioctl(file *filp, int cmd, unsigned long arg) set_mode(MODE_6PWM); break; #endif +#if defined(CONFIG_ARCH_BOARD_AEROCORE) + case 8: + set_mode(MODE_8PWM); + break; +#endif default: ret = -EINVAL; @@ -1056,6 +1178,7 @@ PX4FMU::pwm_ioctl(file *filp, int cmd, unsigned long arg) if (_mixers != nullptr) { delete _mixers; _mixers = nullptr; + _groups_required = 0; } break; @@ -1064,18 +1187,20 @@ PX4FMU::pwm_ioctl(file *filp, int cmd, unsigned long arg) mixer_simple_s *mixinfo = (mixer_simple_s *)arg; SimpleMixer *mixer = new SimpleMixer(control_callback, - (uintptr_t)&_controls, mixinfo); + (uintptr_t)_controls, mixinfo); if (mixer->check()) { delete mixer; + _groups_required = 0; ret = -EINVAL; } else { if (_mixers == nullptr) _mixers = new MixerGroup(control_callback, - (uintptr_t)&_controls); + (uintptr_t)_controls); _mixers->add_mixer(mixer); + _mixers->groups_required(_groups_required); } break; @@ -1086,9 +1211,10 @@ PX4FMU::pwm_ioctl(file *filp, int cmd, unsigned long arg) unsigned buflen = strnlen(buf, 1024); if (_mixers == nullptr) - _mixers = new MixerGroup(control_callback, (uintptr_t)&_controls); + _mixers = new MixerGroup(control_callback, (uintptr_t)_controls); if (_mixers == nullptr) { + _groups_required = 0; ret = -ENOMEM; } else { @@ -1099,7 +1225,11 @@ PX4FMU::pwm_ioctl(file *filp, int cmd, unsigned long arg) debug("mixer load failed with %d", ret); delete _mixers; _mixers = nullptr; + _groups_required = 0; ret = -EINVAL; + } else { + + _mixers->groups_required(_groups_required); } } @@ -1126,10 +1256,17 @@ PX4FMU::write(file *filp, const char *buffer, size_t len) unsigned count = len / 2; uint16_t values[6]; +#ifdef CONFIG_ARCH_BOARD_AEROCORE + if (count > 8) { + // we have at most 8 outputs + count = 8; + } +#else if (count > 6) { // we have at most 6 outputs count = 6; } +#endif // allow for misaligned values memcpy(values, buffer, count * 2); @@ -1404,6 +1541,9 @@ fmu_new_mode(PortMode new_mode) #if defined(CONFIG_ARCH_BOARD_PX4FMU_V2) servo_mode = PX4FMU::MODE_6PWM; #endif +#if defined(CONFIG_ARCH_BOARD_AEROCORE) + servo_mode = PX4FMU::MODE_8PWM; +#endif break; /* mixed modes supported on v1 board only */ @@ -1649,7 +1789,7 @@ fmu_main(int argc, char *argv[]) } if (!strcmp(verb, "id")) { - char id[12]; + uint8_t id[12]; (void)get_board_serial(id); errx(0, "Board serial:\n %02X%02X%02X%02X %02X%02X%02X%02X %02X%02X%02X%02X", @@ -1721,7 +1861,7 @@ fmu_main(int argc, char *argv[]) fprintf(stderr, "FMU: unrecognised command %s, try:\n", verb); #if defined(CONFIG_ARCH_BOARD_PX4FMU_V1) fprintf(stderr, " mode_gpio, mode_serial, mode_pwm, mode_gpio_serial, mode_pwm_serial, mode_pwm_gpio, test\n"); -#elif defined(CONFIG_ARCH_BOARD_PX4FMU_V2) +#elif defined(CONFIG_ARCH_BOARD_PX4FMU_V2) || defined(CONFIG_ARCH_BOARD_AEROCORE) fprintf(stderr, " mode_gpio, mode_pwm, test, sensor_reset [milliseconds]\n"); #endif exit(1); |