diff options
Diffstat (limited to 'src/modules/gpio_led/gpio_led.c')
-rw-r--r-- | src/modules/gpio_led/gpio_led.c | 107 |
1 files changed, 85 insertions, 22 deletions
diff --git a/src/modules/gpio_led/gpio_led.c b/src/modules/gpio_led/gpio_led.c index 43cbe74c7..1aef739c7 100644 --- a/src/modules/gpio_led/gpio_led.c +++ b/src/modules/gpio_led/gpio_led.c @@ -53,10 +53,12 @@ #include <uORB/topics/vehicle_status.h> #include <poll.h> #include <drivers/drv_gpio.h> +#include <modules/px4iofirmware/protocol.h> 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 +77,97 @@ 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 ACC1\n" + "\t\ta2\tPX4IO ACC2\n" + "\t\tr1\tPX4IO RELAY1\n" + "\t\tr2\tPX4IO 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]); @@ -131,15 +179,26 @@ 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 = PX4IO_DEVICE_PATH; + } else { + gpio_dev = PX4FMU_DEVICE_PATH; + } + /* 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; } /* configure GPIO pin */ + /* px4fmu only, px4io doesn't support GPIO_SET_OUTPUT and will ignore */ ioctl(priv->gpio_fd, GPIO_SET_OUTPUT, priv->pin); /* subscribe to vehicle status topic */ @@ -150,11 +209,11 @@ 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) @@ -200,7 +259,6 @@ void gpio_led_cycle(FAR void *arg) if (led_state_new) { ioctl(priv->gpio_fd, GPIO_SET, priv->pin); - } else { ioctl(priv->gpio_fd, GPIO_CLEAR, priv->pin); } @@ -211,7 +269,12 @@ 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); + } } |