diff options
author | Andrew Tridgell <andrew@tridgell.net> | 2015-02-06 18:38:14 +1100 |
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committer | Andrew Tridgell <andrew@tridgell.net> | 2015-02-11 17:36:07 +1100 |
commit | fc40a5c64155a828bc070c815c61ad7f7244fb5d (patch) | |
tree | 895378e872149c74de84aa1f4c64ce6e6eb71cba | |
parent | 6774c3b2131da287650deff8151be992c896f830 (diff) | |
download | px4-firmware-fc40a5c64155a828bc070c815c61ad7f7244fb5d.tar.gz px4-firmware-fc40a5c64155a828bc070c815c61ad7f7244fb5d.tar.bz2 px4-firmware-fc40a5c64155a828bc070c815c61ad7f7244fb5d.zip |
systemcmds: added usb_connected command
this is used in APM startup to see if we should start nsh on usb when
no microSD is inserted
-rw-r--r-- | src/systemcmds/usb_connected/module.mk | 37 | ||||
-rw-r--r-- | src/systemcmds/usb_connected/usb_connected.c | 56 |
2 files changed, 93 insertions, 0 deletions
diff --git a/src/systemcmds/usb_connected/module.mk b/src/systemcmds/usb_connected/module.mk new file mode 100644 index 000000000..22ee1300d --- /dev/null +++ b/src/systemcmds/usb_connected/module.mk @@ -0,0 +1,37 @@ +############################################################################ +# +# Copyright (c) 2014 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. +# +############################################################################ + +MODULE_COMMAND = usb_connected +SRCS = usb_connected.c + +MAXOPTIMIZATION = -Os diff --git a/src/systemcmds/usb_connected/usb_connected.c b/src/systemcmds/usb_connected/usb_connected.c new file mode 100644 index 000000000..98bbbc4be --- /dev/null +++ b/src/systemcmds/usb_connected/usb_connected.c @@ -0,0 +1,56 @@ +/**************************************************************************** + * + * Copyright (c) 2014 Andrew Tridgell. 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. + * + ****************************************************************************/ + +/** + * @file usb_connected.c + * + * utility to check if USB is connected. Used in startup scripts + * + * @author Andrew Tridgell + */ + +#include <nuttx/config.h> +#include <unistd.h> +#include <stdio.h> +#include <stdlib.h> +#include <drivers/drv_gpio.h> +#include <arch/board/board.h> +#include <board_config.h> + +__EXPORT int usb_connected_main(int argc, char *argv[]); + +int +usb_connected_main(int argc, char *argv[]) +{ + return stm32_gpioread(GPIO_OTGFS_VBUS) ? 0:1; +} |