Lab 1 Program C
Fork of mbed by
BusInOut.h@11:1c1ebd0324fa, 2009-08-28 (annotated)
- Committer:
- rolf.meyer@arm.com
- Date:
- Fri Aug 28 12:10:11 2009 +0000
- Revision:
- 11:1c1ebd0324fa
- Child:
- 27:7110ebee3484
A shiny new version
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
rolf.meyer@arm.com | 11:1c1ebd0324fa | 1 | /* mbed Microcontroller Library - BusInOut |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 2 | * Copyright (c) 2009 ARM Limited. All rights reserved. |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 3 | * sford, rmeyer |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 4 | */ |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 5 | |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 6 | #ifndef MBED_BUSINOUT_H |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 7 | #define MBED_BUSINOUT_H |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 8 | |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 9 | #include "platform.h" |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 10 | #include "PinNames.h" |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 11 | #include "PeripheralNames.h" |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 12 | #include "Base.h" |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 13 | #include "DigitalInOut.h" |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 14 | |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 15 | namespace mbed { |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 16 | |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 17 | /* Class: BusInOut |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 18 | * A digital input output bus, used for setting the state of a collection of pins |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 19 | */ |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 20 | class BusInOut : public Base { |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 21 | |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 22 | public: |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 23 | |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 24 | /* Group: Configuration Methods */ |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 25 | |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 26 | /* Constructor: BusInOut |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 27 | * Create an BusInOut, connected to the specified pins |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 28 | * |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 29 | * Variables: |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 30 | * p<n> - DigitalInOut pin to connect to bus bit p<n> (p5-p30, NC) |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 31 | * |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 32 | * Note: |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 33 | * It is only required to specify as many pin variables as is required |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 34 | * for the bus; the rest will default to NC (not connected) |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 35 | */ |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 36 | BusInOut(PinName p0, PinName p1 = NC, PinName p2 = NC, PinName p3 = NC, |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 37 | PinName p4 = NC, PinName p5 = NC, PinName p6 = NC, PinName p7 = NC, |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 38 | PinName p8 = NC, PinName p9 = NC, PinName p10 = NC, PinName p11 = NC, |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 39 | PinName p12 = NC, PinName p13 = NC, PinName p14 = NC, PinName p15 = NC, |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 40 | const char *name = NULL); |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 41 | |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 42 | BusInOut(PinName pins[16], const char *name = NULL); |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 43 | |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 44 | virtual ~BusInOut(); |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 45 | |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 46 | /* Group: Access Methods */ |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 47 | |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 48 | /* Function: write |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 49 | * Write the value to the output bus |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 50 | * |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 51 | * Variables: |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 52 | * value - An integer specifying a bit to write for every corresponding DigitalInOut pin |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 53 | */ |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 54 | void write(int value); |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 55 | |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 56 | |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 57 | /* Function: read |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 58 | * Read the value currently output on the bus |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 59 | * |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 60 | * Variables: |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 61 | * returns - An integer with each bit corresponding to associated DigitalInOut pin setting |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 62 | */ |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 63 | int read(); |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 64 | |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 65 | /* Function: output |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 66 | * Set as an output |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 67 | */ |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 68 | void output(); |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 69 | |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 70 | /* Function: input |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 71 | * Set as an input |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 72 | */ |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 73 | void input(); |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 74 | |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 75 | /* Function: mode |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 76 | * Set the input pin mode |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 77 | * |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 78 | * Variables: |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 79 | * mode - PullUp, PullDown, PullNone |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 80 | */ |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 81 | void mode(PinMode pull); |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 82 | |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 83 | #ifdef MBED_OPERATORS |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 84 | /* Group: Access Method Shorthand */ |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 85 | |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 86 | /* Function: operator= |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 87 | * A shorthand for <write> |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 88 | */ |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 89 | BusInOut& operator= (int v); |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 90 | BusInOut& operator= (BusInOut& rhs); |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 91 | |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 92 | /* Function: operator int() |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 93 | * A shorthand for <read> |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 94 | */ |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 95 | operator int(); |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 96 | #endif |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 97 | |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 98 | #ifdef MBED_RPC |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 99 | virtual const struct rpc_method *get_rpc_methods(); |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 100 | static struct rpc_class *get_rpc_class(); |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 101 | #endif |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 102 | |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 103 | protected: |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 104 | |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 105 | DigitalInOut* _pin[16]; |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 106 | |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 107 | #ifdef MBED_RPC |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 108 | static void construct(const char *arguments, char *res); |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 109 | #endif |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 110 | |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 111 | }; |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 112 | |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 113 | } // namespace mbed |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 114 | |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 115 | #endif |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 116 |