Lab 1 Program C
Fork of mbed by
BusOut.h@11:1c1ebd0324fa, 2009-08-28 (annotated)
- Committer:
- rolf.meyer@arm.com
- Date:
- Fri Aug 28 12:10:11 2009 +0000
- Revision:
- 11:1c1ebd0324fa
- Parent:
- 5:62573be585e9
- Child:
- 27:7110ebee3484
A shiny new version
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
simon.ford@mbed.co.uk | 0:82220227f4fa | 1 | /* mbed Microcontroller Library - BusOut |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 2 | * Copyright (c) 2007-2009 ARM Limited. All rights reserved. |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 3 | * sford, rmeyer |
simon.ford@mbed.co.uk | 0:82220227f4fa | 4 | */ |
simon.ford@mbed.co.uk | 0:82220227f4fa | 5 | |
simon.ford@mbed.co.uk | 0:82220227f4fa | 6 | #ifndef MBED_BUSOUT_H |
simon.ford@mbed.co.uk | 0:82220227f4fa | 7 | #define MBED_BUSOUT_H |
simon.ford@mbed.co.uk | 0:82220227f4fa | 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" |
simon.ford@mbed.co.uk | 0:82220227f4fa | 12 | #include "Base.h" |
simon.ford@mbed.co.uk | 0:82220227f4fa | 13 | #include "DigitalOut.h" |
simon.ford@mbed.co.uk | 0:82220227f4fa | 14 | |
simon.ford@mbed.co.uk | 0:82220227f4fa | 15 | namespace mbed { |
simon.ford@mbed.co.uk | 0:82220227f4fa | 16 | |
simon.ford@mbed.co.uk | 0:82220227f4fa | 17 | /* Class: BusOut |
simon.ford@mbed.co.uk | 0:82220227f4fa | 18 | * A digital output bus, used for setting the state of a collection of pins |
simon.ford@mbed.co.uk | 0:82220227f4fa | 19 | */ |
simon.ford@mbed.co.uk | 0:82220227f4fa | 20 | class BusOut : public Base { |
simon.ford@mbed.co.uk | 0:82220227f4fa | 21 | |
simon.ford@mbed.co.uk | 0:82220227f4fa | 22 | public: |
simon.ford@mbed.co.uk | 0:82220227f4fa | 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: BusOut |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 27 | * Create an BusOut, 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> - DigitalOut pin to connect to bus bit <n> (p5-p30, NC) |
simon.ford@mbed.co.uk | 0:82220227f4fa | 31 | * |
simon.ford@mbed.co.uk | 0:82220227f4fa | 32 | * Note: |
simon.ford@mbed.co.uk | 0:82220227f4fa | 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) |
simon.ford@mbed.co.uk | 0:82220227f4fa | 35 | */ |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 36 | BusOut(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, |
simon.ford@mbed.co.uk | 4:5d1359a283bc | 40 | const char *name = NULL); |
simon.ford@mbed.co.uk | 0:82220227f4fa | 41 | |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 42 | BusOut(PinName pins[16], const char *name = NULL); |
simon.ford@mbed.co.uk | 5:62573be585e9 | 43 | |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 44 | virtual ~BusOut(); |
simon.ford@mbed.co.uk | 0:82220227f4fa | 45 | |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 46 | /* Group: Access Methods */ |
simon.ford@mbed.co.uk | 0:82220227f4fa | 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 DigitalOut pin |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 53 | */ |
simon.ford@mbed.co.uk | 0:82220227f4fa | 54 | void write(int value); |
simon.ford@mbed.co.uk | 0:82220227f4fa | 55 | |
simon.ford@mbed.co.uk | 0:82220227f4fa | 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 DigitalOut pin setting |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 62 | */ |
simon.ford@mbed.co.uk | 0:82220227f4fa | 63 | int read(); |
simon.ford@mbed.co.uk | 0:82220227f4fa | 64 | |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 65 | #ifdef MBED_OPERATORS |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 66 | /* Group: Access Method Shorthand */ |
simon.ford@mbed.co.uk | 0:82220227f4fa | 67 | |
simon.ford@mbed.co.uk | 0:82220227f4fa | 68 | /* Function: operator= |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 69 | * A shorthand for <write> |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 70 | */ |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 71 | BusOut& operator= (int v); |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 72 | BusOut& operator= (BusOut& rhs); |
simon.ford@mbed.co.uk | 0:82220227f4fa | 73 | |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 74 | /* Function: operator int() |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 75 | * A shorthand for <read> |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 76 | */ |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 77 | operator int(); |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 78 | #endif |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 79 | |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 80 | #ifdef MBED_RPC |
simon.ford@mbed.co.uk | 5:62573be585e9 | 81 | virtual const struct rpc_method *get_rpc_methods(); |
simon.ford@mbed.co.uk | 5:62573be585e9 | 82 | static struct rpc_class *get_rpc_class(); |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 83 | #endif |
simon.ford@mbed.co.uk | 4:5d1359a283bc | 84 | |
simon.ford@mbed.co.uk | 0:82220227f4fa | 85 | protected: |
simon.ford@mbed.co.uk | 0:82220227f4fa | 86 | |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 87 | DigitalOut* _pin[16]; |
simon.ford@mbed.co.uk | 5:62573be585e9 | 88 | |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 89 | #ifdef MBED_RPC |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 90 | static void construct(const char *arguments, char *res); |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 91 | #endif |
simon.ford@mbed.co.uk | 0:82220227f4fa | 92 | |
simon.ford@mbed.co.uk | 0:82220227f4fa | 93 | }; |
simon.ford@mbed.co.uk | 0:82220227f4fa | 94 | |
simon.ford@mbed.co.uk | 0:82220227f4fa | 95 | } // namespace mbed |
simon.ford@mbed.co.uk | 0:82220227f4fa | 96 | |
simon.ford@mbed.co.uk | 1:6b7f447ca868 | 97 | #endif |
simon.ford@mbed.co.uk | 1:6b7f447ca868 | 98 |