Wiljan Arias / WhexReefMonitor

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Dependencies:   mbed-rtos EthernetInterface FatFileSystemCpp MCP23S17 SDFileSystem mbed

Fork of HTTPServerHelloWorld by Donatien Garnier

mbed/DigitalInOut.h@3:5dc0023e6284, 2014-01-31 (annotated)

Committer:
wyunreal
Date:
Fri Jan 31 23:19:28 2014 +0000
Revision:
3:5dc0023e6284
First approach of EthernetService class

Who changed what in which revision?

UserRevisionLine numberNew contents of line
wyunreal 3:5dc0023e6284 1 /* mbed Microcontroller Library - DigitalInOut
wyunreal 3:5dc0023e6284 2 * Copyright (c) 2006-2009 ARM Limited. All rights reserved.
wyunreal 3:5dc0023e6284 3 * sford
wyunreal 3:5dc0023e6284 4 */
wyunreal 3:5dc0023e6284 5
wyunreal 3:5dc0023e6284 6 #ifndef MBED_DIGITALINOUT_H
wyunreal 3:5dc0023e6284 7 #define MBED_DIGITALINOUT_H
wyunreal 3:5dc0023e6284 8
wyunreal 3:5dc0023e6284 9 #include "platform.h"
wyunreal 3:5dc0023e6284 10 #include "PinNames.h"
wyunreal 3:5dc0023e6284 11 #include "PeripheralNames.h"
wyunreal 3:5dc0023e6284 12 #include "Base.h"
wyunreal 3:5dc0023e6284 13
wyunreal 3:5dc0023e6284 14 namespace mbed {
wyunreal 3:5dc0023e6284 15
wyunreal 3:5dc0023e6284 16 /* Class: DigitalInOut
wyunreal 3:5dc0023e6284 17 * A digital input/output, used for setting or reading a bi-directional pin
wyunreal 3:5dc0023e6284 18 */
wyunreal 3:5dc0023e6284 19 class DigitalInOut : public Base {
wyunreal 3:5dc0023e6284 20
wyunreal 3:5dc0023e6284 21 public:
wyunreal 3:5dc0023e6284 22
wyunreal 3:5dc0023e6284 23 /* Constructor: DigitalInOut
wyunreal 3:5dc0023e6284 24 * Create a DigitalInOut connected to the specified pin
wyunreal 3:5dc0023e6284 25 *
wyunreal 3:5dc0023e6284 26 * Variables:
wyunreal 3:5dc0023e6284 27 * pin - DigitalInOut pin to connect to
wyunreal 3:5dc0023e6284 28 */
wyunreal 3:5dc0023e6284 29 DigitalInOut(PinName pin, const char* name = NULL);
wyunreal 3:5dc0023e6284 30
wyunreal 3:5dc0023e6284 31 /* Function: write
wyunreal 3:5dc0023e6284 32 * Set the output, specified as 0 or 1 (int)
wyunreal 3:5dc0023e6284 33 *
wyunreal 3:5dc0023e6284 34 * Variables:
wyunreal 3:5dc0023e6284 35 * value - An integer specifying the pin output value,
wyunreal 3:5dc0023e6284 36 * 0 for logical 0 and 1 (or any other non-zero value) for logical 1
wyunreal 3:5dc0023e6284 37 */
wyunreal 3:5dc0023e6284 38 void write(int value) {
wyunreal 3:5dc0023e6284 39 if(value) {
wyunreal 3:5dc0023e6284 40 _gpio->FIOSET = _mask;
wyunreal 3:5dc0023e6284 41 } else {
wyunreal 3:5dc0023e6284 42 _gpio->FIOCLR = _mask;
wyunreal 3:5dc0023e6284 43 }
wyunreal 3:5dc0023e6284 44 }
wyunreal 3:5dc0023e6284 45
wyunreal 3:5dc0023e6284 46 /* Function: read
wyunreal 3:5dc0023e6284 47 * Return the output setting, represented as 0 or 1 (int)
wyunreal 3:5dc0023e6284 48 *
wyunreal 3:5dc0023e6284 49 * Variables:
wyunreal 3:5dc0023e6284 50 * returns - An integer representing the output setting of the pin if it is an output,
wyunreal 3:5dc0023e6284 51 * or read the input if set as an input
wyunreal 3:5dc0023e6284 52 */
wyunreal 3:5dc0023e6284 53 int read() {
wyunreal 3:5dc0023e6284 54 return ((_gpio->FIOPIN & _mask) ? 1 : 0);
wyunreal 3:5dc0023e6284 55 }
wyunreal 3:5dc0023e6284 56
wyunreal 3:5dc0023e6284 57
wyunreal 3:5dc0023e6284 58 /* Function: output
wyunreal 3:5dc0023e6284 59 * Set as an output
wyunreal 3:5dc0023e6284 60 */
wyunreal 3:5dc0023e6284 61 void output();
wyunreal 3:5dc0023e6284 62
wyunreal 3:5dc0023e6284 63 /* Function: input
wyunreal 3:5dc0023e6284 64 * Set as an input
wyunreal 3:5dc0023e6284 65 */
wyunreal 3:5dc0023e6284 66 void input();
wyunreal 3:5dc0023e6284 67
wyunreal 3:5dc0023e6284 68 /* Function: mode
wyunreal 3:5dc0023e6284 69 * Set the input pin mode
wyunreal 3:5dc0023e6284 70 *
wyunreal 3:5dc0023e6284 71 * Variables:
wyunreal 3:5dc0023e6284 72 * mode - PullUp, PullDown, PullNone, OpenDrain
wyunreal 3:5dc0023e6284 73 */
wyunreal 3:5dc0023e6284 74 void mode(PinMode pull);
wyunreal 3:5dc0023e6284 75
wyunreal 3:5dc0023e6284 76 #ifdef MBED_OPERATORS
wyunreal 3:5dc0023e6284 77 /* Function: operator=
wyunreal 3:5dc0023e6284 78 * A shorthand for <write>
wyunreal 3:5dc0023e6284 79 */
wyunreal 3:5dc0023e6284 80 DigitalInOut& operator= (int value) {
wyunreal 3:5dc0023e6284 81 write(value);
wyunreal 3:5dc0023e6284 82 return *this;
wyunreal 3:5dc0023e6284 83 }
wyunreal 3:5dc0023e6284 84
wyunreal 3:5dc0023e6284 85 DigitalInOut& operator= (DigitalInOut& rhs) {
wyunreal 3:5dc0023e6284 86 write(rhs.read());
wyunreal 3:5dc0023e6284 87 return *this;
wyunreal 3:5dc0023e6284 88 }
wyunreal 3:5dc0023e6284 89
wyunreal 3:5dc0023e6284 90 /* Function: operator int()
wyunreal 3:5dc0023e6284 91 * A shorthand for <read>
wyunreal 3:5dc0023e6284 92 */
wyunreal 3:5dc0023e6284 93 operator int() {
wyunreal 3:5dc0023e6284 94 return read();
wyunreal 3:5dc0023e6284 95 }
wyunreal 3:5dc0023e6284 96 #endif
wyunreal 3:5dc0023e6284 97
wyunreal 3:5dc0023e6284 98 #ifdef MBED_RPC
wyunreal 3:5dc0023e6284 99 virtual const struct rpc_method *get_rpc_methods();
wyunreal 3:5dc0023e6284 100 static struct rpc_class *get_rpc_class();
wyunreal 3:5dc0023e6284 101 #endif
wyunreal 3:5dc0023e6284 102
wyunreal 3:5dc0023e6284 103 protected:
wyunreal 3:5dc0023e6284 104
wyunreal 3:5dc0023e6284 105 PinName _pin;
wyunreal 3:5dc0023e6284 106 LPC_GPIO_TypeDef *_gpio;
wyunreal 3:5dc0023e6284 107 uint32_t _mask;
wyunreal 3:5dc0023e6284 108
wyunreal 3:5dc0023e6284 109 };
wyunreal 3:5dc0023e6284 110
wyunreal 3:5dc0023e6284 111 } // namespace mbed
wyunreal 3:5dc0023e6284 112
wyunreal 3:5dc0023e6284 113 #endif