Modified InOut library
DigitalInOut2.h
- Committer:
- jmar11
- Date:
- 2014-10-12
- Revision:
- 0:1d15d1ea182e
- Child:
- 1:f3a86fb2a054
File content as of revision 0:1d15d1ea182e:
#ifndef MBED_DIGITALINOUT_H #define MBED_DIGITALINOUT_H #include "platform.h" #include "gpio_api.h" namespace mbed { /** A digital input/output, used for setting or reading a bi-directional pin */ class DigitalInOut2 { public: /** Create a DigitalInOut connected to the specified pin * * @param pin DigitalInOut pin to connect to */ DigitalInOut(PinName pin) { gpio_init(&gpio, pin, PIN_INPUT); } /** Set the output, specified as 0 or 1 (int) * * @param value An integer specifying the pin output value, * 0 for logical 0, 1 (or any other non-zero value) for logical 1 */ void write(int value) { gpio_write(&gpio, value); } /** Return the output setting, represented as 0 or 1 (int) * * @returns * an integer representing the output setting of the pin if it is an output, * or read the input if set as an input */ int read() { return gpio_read(&gpio); } /** Set as an output */ void output() { gpio_dir(&gpio, PIN_OUTPUT); } /** Set as an input */ void input() { gpio_dir(&gpio, PIN_INPUT); } /** Set the input pin mode * * @param mode PullUp, PullDown, PullNone, OpenDrain */ void mode(PinMode pull) { gpio_mode(&gpio, pull); } #ifdef MBED_OPERATORS /** A shorthand for write() */ DigitalInOut& operator= (int value) { write(value); return *this; } DigitalInOut& operator= (DigitalInOut& rhs) { write(rhs.read()); return *this; } /** A shorthand for read() */ operator int() { return read(); } #endif gpio_t gpio; }; } // namespace mbed #endif