Hello KenUnix, Seth here. Do you want me to still work on the C++ code or are you satisfied w/ the shell script you are working on currently?
Seth P.S. I found my book, ideas, and everything is on chapter six w/ source already done for specific ideas. I would probably need to change some source, too. Let a brother know. On Tuesday, April 7, 2020 at 11:39:56 AM UTC-5, KenUnix wrote: > > Robert, > > You were correct high level is better for now. It's been a long while > since working > with 'c'. Went the way of a bash script. Works well see below. Even > supports --help. > > ---Code Start-- > #!/bin/bash > # > # 4-7-2020 Ken > # > # cmd [state|label|on|off|in|out] gpio # > # Example : cmd state 112 > # > if [ "$1" == "--help" ] > then > echo -e "\ngpio relay cape tool. 4-7-2020 KenUnix\n" > echo "state Get state of gpio number" > echo "label Display associated P number" > echo "on Set relay # to on" > echo "off Turn relay off" > echo -e "out Set gpio to out\n" > echo "Example: cmd status 115 Will display the state of gpio 115" > echo -e " cmd on 20 Will turn relay 1 on for gpio 20\n" > exit > fi > > case $2 in > 20|7|112|115) ;; > *) echo "Invalid gpio $2" > echo "Vaild numbers are 20, 7, 112 or 115" > echo -e "Relay 1 20, relay 2 7, relay 3 112, relay 4 115\007" > exit 1 ;; > esac > > case $1 in > "state") > direction=`cat /sys/class/gpio/gpio$2/direction` > echo -n "Direction $direction, State " > state=`cat /sys/class/gpio/gpio$2/value` > if [ "$state" == "0" ]; then echo "off"; fi > if [ "$state" == "1" ]; then echo "on"; fi > exit ;; > "label") > echo -n "Physical header pin number " > cat /sys/class/gpio/gpio$2/label ; > exit ;; > "on") > echo 1 >/sys/class/gpio/gpio$2/value > exit ;; > "off") > echo 0 >/sys/class/gpio/gpio$2/value > exit ;; > "out") > echo "out" > /sys/class/gpio/gpio$2/direction ; > exit ;; > "in") > echo "in" > /sys/class/gpio/gpio$2/direction ; > exit ;; > *) echo -e "Invalid operation $1. Try cmd --help\007" ; exit 1 ;; > esac > --Code End-- > > Maybe someone else may find this useful. > > Ken > > On Tuesday, April 7, 2020 at 11:39:56 AM UTC-5, KenUnix wrote: > > Robert, > > You were correct high level is better for now. It's been a long while > since working > with 'c'. Went the way of a bash script. Works well see below. Even > supports --help. > > ---Code Start-- > #!/bin/bash > # > # 4-7-2020 Ken > # > # cmd [state|label|on|off|in|out] gpio # > # Example : cmd state 112 > # > if [ "$1" == "--help" ] > then > echo -e "\ngpio relay cape tool. 4-7-2020 KenUnix\n" > echo "state Get state of gpio number" > echo "label Display associated P number" > echo "on Set relay # to on" > echo "off Turn relay off" > echo -e "out Set gpio to out\n" > echo "Example: cmd status 115 Will display the state of gpio 115" > echo -e " cmd on 20 Will turn relay 1 on for gpio 20\n" > exit > fi > > case $2 in > 20|7|112|115) ;; > *) echo "Invalid gpio $2" > echo "Vaild numbers are 20, 7, 112 or 115" > echo -e "Relay 1 20, relay 2 7, relay 3 112, relay 4 115\007" > exit 1 ;; > esac > > case $1 in > "state") > direction=`cat /sys/class/gpio/gpio$2/direction` > echo -n "Direction $direction, State " > state=`cat /sys/class/gpio/gpio$2/value` > if [ "$state" == "0" ]; then echo "off"; fi > if [ "$state" == "1" ]; then echo "on"; fi > exit ;; > "label") > echo -n "Physical header pin number " > cat /sys/class/gpio/gpio$2/label ; > exit ;; > "on") > echo 1 >/sys/class/gpio/gpio$2/value > exit ;; > "off") > echo 0 >/sys/class/gpio/gpio$2/value > exit ;; > "out") > echo "out" > /sys/class/gpio/gpio$2/direction ; > exit ;; > "in") > echo "in" > /sys/class/gpio/gpio$2/direction ; > exit ;; > *) echo -e "Invalid operation $1. Try cmd --help\007" ; exit 1 ;; > esac > --Code End-- > > Maybe someone else may find this useful. > > Ken > > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/869c0859-6666-452f-9471-65627c6dc9aa%40googlegroups.com.
