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author | Anton Babushkin <anton.babushkin@me.com> | 2013-07-06 18:30:09 +0400 |
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committer | Anton Babushkin <anton.babushkin@me.com> | 2013-07-06 18:30:09 +0400 |
commit | 8d0784af61536302cc6a2a1d65f847528658ba09 (patch) | |
tree | 62816af4996bec00b6ec42d6777201fe6c0b601d /src | |
parent | 697c0a1a1d7fb1043786533da3570f28acd661dc (diff) | |
download | px4-firmware-8d0784af61536302cc6a2a1d65f847528658ba09.tar.gz px4-firmware-8d0784af61536302cc6a2a1d65f847528658ba09.tar.bz2 px4-firmware-8d0784af61536302cc6a2a1d65f847528658ba09.zip |
gpio_led: PX4IO RELAY and ACC outputs support, some fixes
Diffstat (limited to 'src')
-rw-r--r-- | src/modules/gpio_led/gpio_led.c | 110 |
1 files changed, 89 insertions, 21 deletions
diff --git a/src/modules/gpio_led/gpio_led.c b/src/modules/gpio_led/gpio_led.c index 43cbe74c7..632630b54 100644 --- a/src/modules/gpio_led/gpio_led.c +++ b/src/modules/gpio_led/gpio_led.c @@ -54,9 +54,15 @@ #include <poll.h> #include <drivers/drv_gpio.h> +#define PX4IO_RELAY1 (1<<0) +#define PX4IO_RELAY2 (1<<1) +#define PX4IO_ACC1 (1<<2) +#define PX4IO_ACC2 (1<<3) + struct gpio_led_s { struct work_s work; int gpio_fd; + bool use_io; int pin; struct vehicle_status_s status; int vehicle_status_sub; @@ -75,51 +81,97 @@ void gpio_led_cycle(FAR void *arg); int gpio_led_main(int argc, char *argv[]) { - int pin = GPIO_EXT_1; - if (argc < 2) { - errx(1, "no argument provided. Try 'start' or 'stop' [-p 1/2]"); + errx(1, "usage: gpio_led {start|stop} [-p <1|2|a1|a2|r1|r2>]\n" + "\t-p\tUse pin:\n" + "\t\t1\tPX4FMU GPIO_EXT1 (default)\n" + "\t\t2\tPX4FMU GPIO_EXT2\n" + "\t\ta1\tPX4IO GPIO_ACC1\n" + "\t\ta2\tPX4IO GPIO_ACC2\n" + "\t\tr1\tPX4IO GPIO_RELAY1\n" + "\t\tr2\tPX4IO GPIO_RELAY2"); } else { - /* START COMMAND HANDLING */ if (!strcmp(argv[1], "start")) { + if (gpio_led_started) { + errx(1, "already running"); + } + + bool use_io = false; + int pin = GPIO_EXT_1; if (argc > 2) { - if (!strcmp(argv[1], "-p")) { - if (!strcmp(argv[2], "1")) { + if (!strcmp(argv[2], "-p")) { + if (!strcmp(argv[3], "1")) { + use_io = false; pin = GPIO_EXT_1; - } else if (!strcmp(argv[2], "2")) { + } else if (!strcmp(argv[3], "2")) { + use_io = false; pin = GPIO_EXT_2; + } else if (!strcmp(argv[3], "a1")) { + use_io = true; + pin = PX4IO_ACC1; + + } else if (!strcmp(argv[3], "a2")) { + use_io = true; + pin = PX4IO_ACC2; + + } else if (!strcmp(argv[3], "r1")) { + use_io = true; + pin = PX4IO_RELAY1; + + } else if (!strcmp(argv[3], "r2")) { + use_io = true; + pin = PX4IO_RELAY2; + } else { - warnx("[gpio_led] Unsupported pin: %s\n", argv[2]); - exit(1); + errx(1, "unsupported pin: %s", argv[3]); } } } memset(&gpio_led_data, 0, sizeof(gpio_led_data)); + gpio_led_data.use_io = use_io; gpio_led_data.pin = pin; int ret = work_queue(LPWORK, &gpio_led_data.work, gpio_led_start, &gpio_led_data, 0); if (ret != 0) { - warnx("[gpio_led] Failed to queue work: %d\n", ret); - exit(1); + errx(1, "failed to queue work: %d", ret); } else { gpio_led_started = true; + char pin_name[24]; + + if (use_io) { + if (pin & (PX4IO_ACC1 | PX4IO_ACC2)) { + sprintf(pin_name, "PX4IO ACC%i", (pin >> 3)); + + } else { + sprintf(pin_name, "PX4IO RELAY%i", pin); + } + + } else { + sprintf(pin_name, "PX4FMU GPIO_EXT%i", pin); + + } + + warnx("start, using pin: %s", pin_name); } exit(0); - /* STOP COMMAND HANDLING */ } else if (!strcmp(argv[1], "stop")) { - gpio_led_started = false; + if (gpio_led_started) { + gpio_led_started = false; + warnx("stop"); - /* INVALID COMMAND */ + } else { + errx(1, "not running"); + } } else { errx(1, "unrecognized command '%s', only supporting 'start' or 'stop'", argv[1]); @@ -131,11 +183,22 @@ void gpio_led_start(FAR void *arg) { FAR struct gpio_led_s *priv = (FAR struct gpio_led_s *)arg; + char *gpio_dev; + + if (priv->use_io) { + gpio_dev = "/dev/px4io"; + + } else { + gpio_dev = "/dev/px4fmu"; + } + /* open GPIO device */ - priv->gpio_fd = open(GPIO_DEVICE_PATH, 0); + priv->gpio_fd = open(gpio_dev, 0); if (priv->gpio_fd < 0) { - warnx("[gpio_led] GPIO: open fail\n"); + // TODO find way to print errors + //printf("gpio_led: GPIO device \"%s\" open fail\n", gpio_dev); + gpio_led_started = false; return; } @@ -150,11 +213,11 @@ void gpio_led_start(FAR void *arg) int ret = work_queue(LPWORK, &priv->work, gpio_led_cycle, priv, 0); if (ret != 0) { - warnx("[gpio_led] Failed to queue work: %d\n", ret); + // TODO find way to print errors + //printf("gpio_led: failed to queue work: %d\n", ret); + gpio_led_started = false; return; } - - warnx("[gpio_led] Started, using pin GPIO_EXT%i\n", priv->pin); } void gpio_led_cycle(FAR void *arg) @@ -211,7 +274,12 @@ void gpio_led_cycle(FAR void *arg) if (priv->counter > 5) priv->counter = 0; - /* repeat cycle at 5 Hz*/ - if (gpio_led_started) + /* repeat cycle at 5 Hz */ + if (gpio_led_started) { work_queue(LPWORK, &priv->work, gpio_led_cycle, priv, USEC2TICK(200000)); + + } else { + /* switch off LED on stop */ + ioctl(priv->gpio_fd, GPIO_CLEAR, priv->pin); + } } |