config AX12
Fork of configure_ax12_test_bras_module by
mbed/PortIn.h
- Committer:
- slowness
- Date:
- 2016-02-03
- Revision:
- 0:c03cffe402df
File content as of revision 0:c03cffe402df:
/* mbed Microcontroller Library - PortInOut * Copyright (c) 2006-2011 ARM Limited. All rights reserved. */ #ifndef MBED_PORTIN_H #define MBED_PORTIN_H #include "device.h" #if DEVICE_PORTIN #include "PortNames.h" #include "PinNames.h" namespace mbed { /* Class: PortIn * A multiple pin digital input * * Example: * > // Switch on an LED if any of mbed pins 21-26 is high * > * > #include "mbed.h" * > * > PortIn p(Port2, 0x0000003F); // p21-p26 * > DigitalOut ind(LED4); * > * > int main() { * > while(1) { * > int pins = p.read(); * > if(pins) { * > ind = 1; * > } else { * > ind = 0; * > } * > } * > } */ class PortIn { public: /* Constructor: PortIn * Create an PortIn, connected to the specified port * * Variables: * port - Port to connect to (Port0-Port5) * mask - A bitmask to identify which bits in the port should be included (0 - ignore) */ PortIn(PortName port, int mask = 0xFFFFFFFF); /* Function: read * Read the value currently output on the port * * Variables: * returns - An integer with each bit corresponding to associated port pin setting */ int read(); /* Function: mode * Set the input pin mode * * Variables: * mode - PullUp, PullDown, PullNone, OpenDrain */ void mode(PinMode mode); /* Function: operator int() * A shorthand for <read> */ operator int() { return read(); } private: #if defined(TARGET_LPC1768) || defined(TARGET_LPC2368) LPC_GPIO_TypeDef *_gpio; #endif PortName _port; uint32_t _mask; }; } // namespace mbed #endif #endif