code ax12 petit robot 12/05/2017
Fork of command_AX12_petit_robot_V3 by
Diff: mbed/DigitalIn.h
- Revision:
- 2:99b1cb0d9f5e
diff -r b3ff77670606 -r 99b1cb0d9f5e mbed/DigitalIn.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed/DigitalIn.h Tue Apr 18 16:02:40 2017 +0000 @@ -0,0 +1,102 @@ +/* mbed Microcontroller Library - DigitalIn + * Copyright (c) 2006-2011 ARM Limited. All rights reserved. + */ + +#ifndef MBED_DIGITALIN_H +#define MBED_DIGITALIN_H + +#include "platform.h" +#include "PinNames.h" +#include "PeripheralNames.h" +#include "Base.h" + +namespace mbed { + +/* Class: DigitalIn + * A digital input, used for reading the state of a pin + * + * Example: + * > // Flash an LED while a DigitalIn is true + * > + * > #include "mbed.h" + * > + * > DigitalIn enable(p5); + * > DigitalOut led(LED1); + * > + * > int main() { + * > while(1) { + * > if(enable) { + * > led = !led; + * > } + * > wait(0.25); + * > } + * > } + */ +class DigitalIn : public Base { + +public: + + /* Constructor: DigitalIn + * Create a DigitalIn connected to the specified pin + * + * Variables: + * pin - DigitalIn pin to connect to + * name - (optional) A string to identify the object + */ + DigitalIn(PinName pin, const char *name = NULL); + + /* Function: read + * Read the input, represented as 0 or 1 (int) + * + * Variables: + * returns - An integer representing the state of the input pin, + * 0 for logical 0 and 1 for logical 1 + */ + int read() { +#if defined(TARGET_LPC1768) || defined(TARGET_LPC2368) + return ((_gpio->FIOPIN & _mask) ? 1 : 0); +#elif defined(TARGET_LPC11U24) + return ((LPC_GPIO->PIN[_index] & _mask) ? 1 : 0); +#endif + } + + + /* Function: mode + * Set the input pin mode + * + * Variables: + * mode - PullUp, PullDown, PullNone, OpenDrain + */ + void mode(PinMode pull); + +#ifdef MBED_OPERATORS + /* Function: operator int() + * An operator shorthand for <read()> + */ + operator int() { + return read(); + } + +#endif + +#ifdef MBED_RPC + virtual const struct rpc_method *get_rpc_methods(); + static struct rpc_class *get_rpc_class(); +#endif + +protected: + + PinName _pin; +#if defined(TARGET_LPC1768) || defined(TARGET_LPC2368) + LPC_GPIO_TypeDef *_gpio; +#elif defined(TARGET_LPC11U24) + int _index; +#endif + uint32_t _mask; + +}; + +} // namespace mbed + +#endif +