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Update README.md with some doc

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Gustavo Paes 2016-05-21 11:08:48 -03:00
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README.md
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# fast-gpio # fast-gpio
Provides access to GPIOs by directly writing to the hw registers, implements sw PWM as well Provides access to GPIOs by directly writing to the hw registers, implements sw PWM as well
# usage
fast-gpio set-input <gpio>
fast-gpio set-output <gpio>
fast-gpio get-direction <gpio>
fast-gpio read <gpio>
fast-gpio set <gpio> <value: 0 or 1>
fast-gpio pwm <gpio> <freq in Hz> <duty cycle percentage>
## verbose output modes
Verbose flags available:
* **-q** quite output
* **-v** verbose output
* **-u** ubus output
* **-d** debug output
Examples:
fast-gpio -q set-input 5
fast-gpio -u read 5
> {"cmd":"Read", "pin":12, "val":"1"}