diff options
Diffstat (limited to 'src/systemcmds/pwm')
-rw-r--r-- | src/systemcmds/pwm/pwm.c | 68 |
1 files changed, 34 insertions, 34 deletions
diff --git a/src/systemcmds/pwm/pwm.c b/src/systemcmds/pwm/pwm.c index 360a80a90..4bc1a727b 100644 --- a/src/systemcmds/pwm/pwm.c +++ b/src/systemcmds/pwm/pwm.c @@ -70,34 +70,34 @@ usage(const char *reason) "usage:\n" "pwm arm|disarm|rate|failsafe|disarmed|min|max|test|info ...\n" "\n" - " arm Arm output\n" - " disarm Disarm output\n" + "arm\t\t\t\tArm output\n" + "disarm\t\t\t\tDisarm output\n" "\n" - " rate ... Configure PWM rates\n" - " [-g <channel group>] Channel group that should update at the alternate rate\n" - " [-m <chanmask> ] Directly supply channel mask\n" - " [-a] Configure all outputs\n" - " -r <alt_rate> PWM rate (50 to 400 Hz)\n" + "rate ...\t\t\tConfigure PWM rates\n" + "\t[-g <channel group>]\t(e.g. 0,1,2)\n" + "\t[-m <channel mask> ]\t(e.g. 0xF)\n" + "\t[-a]\t\t\tConfigure all outputs\n" + "\t-r <alt_rate>\t\tPWM rate (50 to 400 Hz)\n" "\n" - " failsafe ... Configure failsafe PWM values\n" - " disarmed ... Configure disarmed PWM values\n" - " min ... Configure minimum PWM values\n" - " max ... Configure maximum PWM values\n" - " [-c <channels>] Supply channels (e.g. 1234)\n" - " [-m <chanmask> ] Directly supply channel mask (e.g. 0xF)\n" - " [-a] Configure all outputs\n" - " -p <pwm value> PWM value\n" + "failsafe ...\t\t\tFailsafe PWM\n" + "disarmed ...\t\t\tDisarmed PWM\n" + "min ...\t\t\t\tMinimum PWM\n" + "max ...\t\t\t\tMaximum PWM\n" + "\t[-c <channels>]\t\t(e.g. 1234)\n" + "\t[-m <channel mask> ]\t(e.g. 0xF)\n" + "\t[-a]\t\t\tConfigure all outputs\n" + "\t-p <pwm value>\t\tPWM value\n" "\n" - " test ... Directly set PWM values\n" - " [-c <channels>] Supply channels (e.g. 1234)\n" - " [-m <chanmask> ] Directly supply channel mask (e.g. 0xF)\n" - " [-a] Configure all outputs\n" - " -p <pwm value> PWM value\n" + "test ...\t\t\tDirectly set PWM\n" + "\t[-c <channels>]\t\t(e.g. 1234)\n" + "\t[-m <channel mask> ]\t(e.g. 0xF)\n" + "\t[-a]\t\t\tConfigure all outputs\n" + "\t-p <pwm value>\t\tPWM value\n" "\n" - " info Print information about the PWM device\n" + "info\t\t\t\tPrint information\n" "\n" - " -v Print verbose information\n" - " -d <device> PWM output device (defaults to " PWM_OUTPUT_DEVICE_PATH ")\n" + "\t-v\t\t\tVerbose\n" + "\t-d <dev>\t\t(default " PWM_OUTPUT_DEVICE_PATH ")\n" ); } @@ -119,7 +119,7 @@ pwm_main(int argc, char *argv[]) unsigned single_ch = 0; unsigned pwm_value = 0; - if (argc < 1) + if (argc < 2) usage(NULL); while ((ch = getopt(argc-1, &argv[1], "d:vc:g:m:ap:r:")) != EOF) { @@ -161,7 +161,7 @@ pwm_main(int argc, char *argv[]) /* Read in mask directly */ set_mask = strtoul(optarg, &ep, 0); if (*ep != '\0') - usage("bad set_mask value"); + usage("BAD set_mask VAL"); break; case 'a': @@ -172,12 +172,12 @@ pwm_main(int argc, char *argv[]) case 'p': pwm_value = strtoul(optarg, &ep, 0); if (*ep != '\0') - usage("bad PWM value provided"); + usage("BAD PWM VAL"); break; case 'r': alt_rate = strtoul(optarg, &ep, 0); if (*ep != '\0') - usage("bad alternative rate provided"); + usage("BAD rate VAL"); break; default: break; @@ -185,7 +185,7 @@ pwm_main(int argc, char *argv[]) } if (print_verbose && set_mask > 0) { - warnx("Chose channels: "); + warnx("Channels: "); printf(" "); for (unsigned i = 0; i<PWM_OUTPUT_MAX_CHANNELS; i++) { if (set_mask & 1<<i) @@ -360,7 +360,7 @@ pwm_main(int argc, char *argv[]) usage("no channels set"); } if (pwm_value == 0) - usage("no PWM value provided"); + usage("no PWM provided"); struct pwm_output_values pwm_values = {.values = {0}, .channel_count = 0}; @@ -379,7 +379,7 @@ pwm_main(int argc, char *argv[]) ret = ioctl(fd, PWM_SERVO_SET_FAILSAFE_PWM, (long unsigned int)&pwm_values); if (ret != OK) - errx(ret, "failed setting failsafe values"); + errx(ret, "BAD input VAL"); } exit(0); @@ -389,7 +389,7 @@ pwm_main(int argc, char *argv[]) usage("no channels set"); } if (pwm_value == 0) - usage("no PWM value provided"); + usage("no PWM provided"); /* get current servo values */ struct pwm_output_values last_spos; @@ -483,7 +483,7 @@ pwm_main(int argc, char *argv[]) steps_timing_index < sizeof(steps_timings_us) / sizeof(steps_timings_us[0]); steps_timing_index++ ) { - warnx("Sending step input with 0 to 100%% over a %u microseconds ramp", steps_timings_us[steps_timing_index]); + warnx("Step input (0 to 100%%) over %u us ramp", steps_timings_us[steps_timing_index]); while (1) { for (unsigned i = 0; i < servo_count; i++) { @@ -522,7 +522,7 @@ pwm_main(int argc, char *argv[]) err(1, "PWM_SERVO_SET(%d)", i); } } - warnx("Key pressed, user abort\n"); + warnx("User abort\n"); exit(0); } } @@ -671,7 +671,7 @@ pwm_main(int argc, char *argv[]) exit(0); } - usage("specify arm|disarm|rate|failsafe\n\t\tdisarmed|min|max|test|info|forcefail|terminatefail"); + usage(NULL); return 0; } |