config AX12
Fork of configure_ax12_test_bras_module by
mbed/DigitalIn.h
- Committer:
- clementlignie
- Date:
- 2017-02-01
- Revision:
- 2:91b6646ea994
- Parent:
- 0:c03cffe402df
File content as of revision 2:91b6646ea994:
/* 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