diff options
author | Lorenz Meier <lm@inf.ethz.ch> | 2012-11-08 18:15:23 +0100 |
---|---|---|
committer | Lorenz Meier <lm@inf.ethz.ch> | 2012-11-08 18:15:23 +0100 |
commit | 9221addebdef70e92c34fc7c82dc79ed754f2b6e (patch) | |
tree | 20e02d8a297068bab8fddc8017849418c53f0c72 | |
parent | 2c32157e02c83ee36ec80ce918eb1abf8d2a59d4 (diff) | |
download | px4-firmware-9221addebdef70e92c34fc7c82dc79ed754f2b6e.tar.gz px4-firmware-9221addebdef70e92c34fc7c82dc79ed754f2b6e.tar.bz2 px4-firmware-9221addebdef70e92c34fc7c82dc79ed754f2b6e.zip |
Added HIL/fake PWM out mode to be able to run a mixer against HIL
-rw-r--r-- | apps/drivers/px4fmu/fmu.cpp | 71 |
1 files changed, 63 insertions, 8 deletions
diff --git a/apps/drivers/px4fmu/fmu.cpp b/apps/drivers/px4fmu/fmu.cpp index fff713bb5..7b1f341b4 100644 --- a/apps/drivers/px4fmu/fmu.cpp +++ b/apps/drivers/px4fmu/fmu.cpp @@ -74,6 +74,7 @@ public: enum Mode { MODE_2PWM, MODE_4PWM, + MODE_HIL_8PWM, MODE_NONE }; PX4FMU(); @@ -269,6 +270,12 @@ PX4FMU::set_mode(Mode mode) _update_rate = 50; /* default output rate */ break; + case MODE_HIL_8PWM: + debug("MODE_HIL_8PWM"); + /* do not actually start a pwm device */ + _update_rate = 50; /* default output rate */ + break; + case MODE_NONE: debug("MODE_NONE"); /* disable servo outputs and set a very low update rate */ @@ -321,7 +328,26 @@ PX4FMU::task_main() fds[1].fd = _t_armed; fds[1].events = POLLIN; - unsigned num_outputs = (_mode == MODE_2PWM) ? 2 : 4; + unsigned num_outputs; + + /* select the number of (real or virtual) outputs */ + switch (_mode) { + case MODE_2PWM: + num_outputs = 2; + break; + + case MODE_4PWM: + num_outputs = 4; + break; + + case MODE_HIL_8PWM: + num_outputs = 8; + break; + + case MODE_NONE: + num_outputs = 0; + break; + } log("starting"); @@ -334,7 +360,11 @@ PX4FMU::task_main() if (update_rate_in_ms < 2) update_rate_in_ms = 2; orb_set_interval(_t_actuators, update_rate_in_ms); - up_pwm_servo_set_rate(_update_rate); + + if (_mode != MODE_HIL_8PWM) { + /* do not attempt to set servos in HIL mode */ + up_pwm_servo_set_rate(_update_rate); + } _current_update_rate = _update_rate; } @@ -367,7 +397,11 @@ PX4FMU::task_main() outputs.output[i] = 1500 + (600 * outputs.output[i]); /* output to the servo */ - up_pwm_servo_set(i, outputs.output[i]); + if (_mode != MODE_HIL_8PWM) { + /* do not attempt to set servos in HIL mode */ + up_pwm_servo_set(i, outputs.output[i]); + } + } /* and publish for anyone that cares to see */ @@ -383,7 +417,14 @@ PX4FMU::task_main() orb_copy(ORB_ID(actuator_armed), _t_armed, &aa); /* update PWM servo armed status */ - up_pwm_servo_arm(aa.armed); + + /* + * armed = system wants to fly + * locked = there is a low-level safety lock + * in place, such as in hardware-in-the-loop + * simulation setups. + */ + up_pwm_servo_arm(aa.armed && !aa.lockdown); } } @@ -419,7 +460,8 @@ PX4FMU::ioctl(file *filp, int cmd, unsigned long arg) { int ret; - debug("ioctl 0x%04x 0x%08x", cmd, arg); + // XXX disable debug output, users got confused + //debug("ioctl 0x%04x 0x%08x", cmd, arg); /* try it as a GPIO ioctl first */ ret = gpio_ioctl(filp, cmd, arg); @@ -432,6 +474,10 @@ PX4FMU::ioctl(file *filp, int cmd, unsigned long arg) case MODE_4PWM: ret = pwm_ioctl(filp, cmd, arg); break; + case MODE_HIL_8PWM: + /* do nothing */ + debug("loading mixer for virtual HIL device"); + break; default: debug("not in a PWM mode"); break; @@ -705,6 +751,7 @@ enum PortMode { PORT_GPIO_AND_SERIAL, PORT_PWM_AND_SERIAL, PORT_PWM_AND_GPIO, + PORT_HIL_PWM }; PortMode g_port_mode; @@ -753,6 +800,11 @@ fmu_new_mode(PortMode new_mode, int update_rate) /* select 2-pin PWM mode */ servo_mode = PX4FMU::MODE_2PWM; break; + + case PORT_HIL_PWM: + /* virtual PWM mode */ + servo_mode = PX4FMU::MODE_HIL_8PWM; + break; } /* adjust GPIO config for serial mode(s) */ @@ -882,11 +934,14 @@ fmu_main(int argc, char *argv[]) } else if (!strcmp(argv[i], "mode_pwm_gpio")) { new_mode = PORT_PWM_AND_GPIO; + + } else if (!strcmp(argv[i], "mode_hil_pwm")) { + new_mode = PORT_HIL_PWM; } /* look for the optional pwm update rate for the supported modes */ if (strcmp(argv[i], "-u") == 0 || strcmp(argv[i], "--update-rate") == 0) { - if (new_mode == PORT_FULL_PWM || new_mode == PORT_PWM_AND_GPIO) { + if (new_mode == PORT_FULL_PWM || new_mode == PORT_PWM_AND_GPIO || PORT_HIL_PWM) { if (argc > i + 1) { pwm_update_rate_in_hz = atoi(argv[i + 1]); } else { @@ -912,7 +967,7 @@ fmu_main(int argc, char *argv[]) /* test, etc. here */ - fprintf(stderr, "FMU: unrecognised command, try:\n"); - fprintf(stderr, " mode_gpio, mode_serial, mode_pwm [-u pwm_update_rate_in_hz], mode_gpio_serial, mode_pwm_serial, mode_pwm_gpio\n"); + fprintf(stderr, "FMU: unrecognized command, try:\n"); + fprintf(stderr, " mode_gpio, mode_serial, mode_pwm [-u pwm_update_rate_in_hz], mode_gpio_serial,\n mode_pwm_serial, mode_pwm_gpio, mode_hil_pwm\n"); return -EINVAL; } |