diff options
Diffstat (limited to 'src/systemcmds')
-rw-r--r-- | src/systemcmds/esc_calib/esc_calib.c | 115 |
1 files changed, 72 insertions, 43 deletions
diff --git a/src/systemcmds/esc_calib/esc_calib.c b/src/systemcmds/esc_calib/esc_calib.c index 608c9fff1..1ea02d81e 100644 --- a/src/systemcmds/esc_calib/esc_calib.c +++ b/src/systemcmds/esc_calib/esc_calib.c @@ -72,12 +72,13 @@ usage(const char *reason) { if (reason != NULL) warnx("%s", reason); - errx(1, - "usage:\n" - "esc_calib [-d <device>] <channels>\n" - " <device> PWM output device (defaults to " PWM_OUTPUT_DEVICE_PATH ")\n" - " <channels> Provide channels (e.g.: 1 2 3 4)\n" - ); + + errx(1, + "usage:\n" + "esc_calib [-d <device>] <channels>\n" + " <device> PWM output device (defaults to " PWM_OUTPUT_DEVICE_PATH ")\n" + " <channels> Provide channels (e.g.: 1 2 3 4)\n" + ); } @@ -98,12 +99,12 @@ esc_calib_main(int argc, char *argv[]) if (argc < 2) usage(NULL); - while ((ch = getopt(argc-1, argv, "d:")) != EOF) { + while ((ch = getopt(argc - 1, argv, "d:")) != EOF) { switch (ch) { - + case 'd': dev = optarg; - argc-=2; + argc -= 2; break; default: @@ -111,7 +112,7 @@ esc_calib_main(int argc, char *argv[]) } } - if(argc < 2) { + if (argc < 2) { usage("no channels provided"); } @@ -122,121 +123,149 @@ esc_calib_main(int argc, char *argv[]) if (*ep == '\0') { if (channel_number > MAX_CHANNELS || channel_number <= 0) { err(1, "invalid channel number: %d", channel_number); + } else { - channels_selected[channel_number-1] = true; + channels_selected[channel_number - 1] = true; } } } printf("\nATTENTION, please remove or fix propellers before starting calibration!\n" - "\n" - "Make sure\n" - "\t - that the ESCs are not powered\n" - "\t - that safety is off (two short blinks)\n" - "\t - that the controllers are stopped\n" - "\n" - "Do you want to start calibration now: y or n?\n"); + "\n" + "Make sure\n" + "\t - that the ESCs are not powered\n" + "\t - that safety is off (two short blinks)\n" + "\t - that the controllers are stopped\n" + "\n" + "Do you want to start calibration now: y or n?\n"); /* wait for user input */ while (1) { - + ret = poll(&fds, 1, 0); + if (ret > 0) { read(0, &c, 1); + if (c == 'y' || c == 'Y') { - + break; + } else if (c == 0x03 || c == 0x63 || c == 'q') { printf("ESC calibration exited\n"); exit(0); + } else if (c == 'n' || c == 'N') { printf("ESC calibration aborted\n"); exit(0); + } else { printf("Unknown input, ESC calibration aborted\n"); exit(0); - } + } } + /* rate limit to ~ 20 Hz */ usleep(50000); } /* open for ioctl only */ int fd = open(dev, 0); + if (fd < 0) err(1, "can't open %s", dev); - - /* Wait for user confirmation */ - printf("\nHigh PWM set\n" - "\n" - "Connect battery now and hit ENTER after the ESCs confirm the first calibration step\n" - "\n"); + /* get max PWM value setting */ + uint16_t pwm_max = 0; + ret = ioctl(fd, PWM_SERVO_GET_MAX_PWM, &pwm_max); + + if (ret != OK) + err(1, "PWM_SERVO_GET_MAX_PWM"); + + /* get disarmed PWM value setting */ + uint16_t pwm_disarmed = 0; + ret = ioctl(fd, PWM_SERVO_GET_DISARMED_PWM, &pwm_disarmed); + + if (ret != OK) + err(1, "PWM_SERVO_GET_DISARMED_PWM"); + + /* wait for user confirmation */ + printf("\nHigh PWM set: %d\n" + "\n" + "Connect battery now and hit ENTER after the ESCs confirm the first calibration step\n" + "\n", pwm_max); fflush(stdout); while (1) { + /* set max PWM */ + for (unsigned i = 0; i < MAX_CHANNELS; i++) { + if (channels_selected[i]) { + ret = ioctl(fd, PWM_SERVO_SET(i), pwm_max); - /* First set high PWM */ - for (unsigned i = 0; i<MAX_CHANNELS; i++) { - if(channels_selected[i]) { - ret = ioctl(fd, PWM_SERVO_SET(i), 2100); if (ret != OK) err(1, "PWM_SERVO_SET(%d)", i); } } ret = poll(&fds, 1, 0); + if (ret > 0) { read(0, &c, 1); + if (c == 13) { - + break; + } else if (c == 0x03 || c == 0x63 || c == 'q') { warnx("ESC calibration exited"); exit(0); } } + /* rate limit to ~ 20 Hz */ usleep(50000); } - /* we don't need any more user input */ - - - printf("Low PWM set, hit ENTER when finished\n" - "\n"); + printf("Low PWM set: %d\n" + "\n" + "Hit ENTER when finished\n" + "\n", pwm_disarmed); while (1) { - /* Then set low PWM */ - for (unsigned i = 0; i<MAX_CHANNELS; i++) { - if(channels_selected[i]) { - ret = ioctl(fd, PWM_SERVO_SET(i), 900); + /* set disarmed PWM */ + for (unsigned i = 0; i < MAX_CHANNELS; i++) { + if (channels_selected[i]) { + ret = ioctl(fd, PWM_SERVO_SET(i), pwm_disarmed); + if (ret != OK) err(1, "PWM_SERVO_SET(%d)", i); } } ret = poll(&fds, 1, 0); + if (ret > 0) { read(0, &c, 1); + if (c == 13) { - + break; + } else if (c == 0x03 || c == 0x63 || c == 'q') { printf("ESC calibration exited\n"); exit(0); } } + /* rate limit to ~ 20 Hz */ usleep(50000); } - printf("ESC calibration finished\n"); exit(0); |