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author | px4dev <px4@purgatory.org> | 2012-08-04 15:12:36 -0700 |
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committer | px4dev <px4@purgatory.org> | 2012-08-04 15:12:36 -0700 |
commit | 8a365179eafdf3aea98e60ab9f5882b200d4c759 (patch) | |
tree | 4f38d6d4cd80bd0b6e22e2bb534c3f117ce44e56 /nuttx/configs/px4fmu/src/drv_led.c | |
download | px4-firmware-8a365179eafdf3aea98e60ab9f5882b200d4c759.tar.gz px4-firmware-8a365179eafdf3aea98e60ab9f5882b200d4c759.tar.bz2 px4-firmware-8a365179eafdf3aea98e60ab9f5882b200d4c759.zip |
Fresh import of the PX4 firmware sources.
Diffstat (limited to 'nuttx/configs/px4fmu/src/drv_led.c')
-rw-r--r-- | nuttx/configs/px4fmu/src/drv_led.c | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/nuttx/configs/px4fmu/src/drv_led.c b/nuttx/configs/px4fmu/src/drv_led.c new file mode 100644 index 000000000..13d8eb22a --- /dev/null +++ b/nuttx/configs/px4fmu/src/drv_led.c @@ -0,0 +1,113 @@ +/**************************************************************************** + * + * Copyright (C) 2012 PX4 Development Team. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name PX4 nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +/* + * led driver for PX4FMU + * + * This is something of an experiment currently (ha, get it?) + */ + +#include <nuttx/config.h> + +#include <stdint.h> +#include <stdbool.h> +#include <debug.h> + +#include <nuttx/spi.h> +#include <arch/board/board.h> + +#include "up_arch.h" +#include "chip.h" +#include "stm32_internal.h" +#include "px4fmu-internal.h" + +#include <arch/board/drv_led.h> + +static int px4fmu_led_ioctl(struct file *filep, int cmd, unsigned long arg); +static ssize_t px4fmu_led_pseudoread(struct file *filp, FAR char *buffer, size_t buflen); + +static const struct file_operations px4fmu_led_fops = { + .read = px4fmu_led_pseudoread, + .ioctl = px4fmu_led_ioctl, +}; + +int +px4fmu_led_init(void) +{ + /* register the driver */ + return register_driver("/dev/led", &px4fmu_led_fops, 0666, NULL); +} + +static ssize_t +px4fmu_led_pseudoread(struct file *filp, FAR char *buffer, size_t buflen) +{ + return 0; +} + +static int +px4fmu_led_ioctl(struct file *filep, int cmd, unsigned long arg) +{ + int result = 0; + + switch (cmd) { + + case LED_ON: + switch (arg) { + case 0: + case 1: + up_ledon(arg); + break; + default: + result = -1; + break; + } + break; + + case LED_OFF: + switch (arg) { + case 0: + case 1: + up_ledoff(arg); + break; + default: + result = -1; + break; + } + break; + default: + result = -1; + break; + } + return result; +} + |