mbed(SerialHalfDuplex入り)
Fork of mbed by
BusInOut.h@43:e2ed12d17f06, 2012-10-26 (annotated)
- Committer:
- emilmont
- Date:
- Fri Oct 26 17:40:46 2012 +0100
- Revision:
- 43:e2ed12d17f06
- Parent:
- 27:7110ebee3484
- Child:
- 44:24d45a770a51
Update documentation
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 | */ |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 4 | |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 5 | #ifndef MBED_BUSINOUT_H |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 6 | #define MBED_BUSINOUT_H |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 7 | |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 8 | #include "platform.h" |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 9 | #include "PinNames.h" |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 10 | #include "PeripheralNames.h" |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 11 | #include "Base.h" |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 12 | #include "DigitalInOut.h" |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 13 | |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 14 | namespace mbed { |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 15 | |
emilmont | 43:e2ed12d17f06 | 16 | /** A digital input output bus, used for setting the state of a collection of pins |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 17 | */ |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 18 | class BusInOut : public Base { |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 19 | |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 20 | public: |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 21 | |
emilmont | 43:e2ed12d17f06 | 22 | /** Create an BusInOut, connected to the specified pins |
emilmont | 43:e2ed12d17f06 | 23 | * |
emilmont | 43:e2ed12d17f06 | 24 | * @param p<n> DigitalInOut pin to connect to bus bit p<n> (p5-p30, NC) |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 25 | * |
emilmont | 43:e2ed12d17f06 | 26 | * @note |
emilmont | 43:e2ed12d17f06 | 27 | * It is only required to specify as many pin variables as is required |
emilmont | 43:e2ed12d17f06 | 28 | * for the bus; the rest will default to NC (not connected) |
emilmont | 43:e2ed12d17f06 | 29 | */ |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 30 | BusInOut(PinName p0, PinName p1 = NC, PinName p2 = NC, PinName p3 = NC, |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 31 | PinName p4 = NC, PinName p5 = NC, PinName p6 = NC, PinName p7 = NC, |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 32 | PinName p8 = NC, PinName p9 = NC, PinName p10 = NC, PinName p11 = NC, |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 33 | PinName p12 = NC, PinName p13 = NC, PinName p14 = NC, PinName p15 = NC, |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 34 | const char *name = NULL); |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 35 | |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 36 | BusInOut(PinName pins[16], const char *name = NULL); |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 37 | |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 38 | virtual ~BusInOut(); |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 39 | |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 40 | /* Group: Access Methods */ |
emilmont | 43:e2ed12d17f06 | 41 | |
emilmont | 43:e2ed12d17f06 | 42 | /** Write the value to the output bus |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 43 | * |
emilmont | 43:e2ed12d17f06 | 44 | * @param value An integer specifying a bit to write for every corresponding DigitalInOut pin |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 45 | */ |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 46 | void write(int value); |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 47 | |
emilmont | 43:e2ed12d17f06 | 48 | |
emilmont | 43:e2ed12d17f06 | 49 | /** Read the value currently output on the bus |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 50 | * |
emilmont | 43:e2ed12d17f06 | 51 | * @returns |
emilmont | 43:e2ed12d17f06 | 52 | * An integer with each bit corresponding to associated DigitalInOut pin setting |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 53 | */ |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 54 | int read(); |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 55 | |
emilmont | 43:e2ed12d17f06 | 56 | /** Set as an output |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 57 | */ |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 58 | void output(); |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 59 | |
emilmont | 43:e2ed12d17f06 | 60 | /** Set as an input |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 61 | */ |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 62 | void input(); |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 63 | |
emilmont | 43:e2ed12d17f06 | 64 | /** Set the input pin mode |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 65 | * |
emilmont | 43:e2ed12d17f06 | 66 | * @param mode PullUp, PullDown, PullNone |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 67 | */ |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 68 | void mode(PinMode pull); |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 69 | |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 70 | #ifdef MBED_OPERATORS |
emilmont | 43:e2ed12d17f06 | 71 | /** A shorthand for write() |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 72 | */ |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 73 | BusInOut& operator= (int v); |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 74 | BusInOut& operator= (BusInOut& rhs); |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 75 | |
emilmont | 43:e2ed12d17f06 | 76 | /** A shorthand for read() |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 77 | */ |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 78 | operator int(); |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 79 | #endif |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 80 | |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 81 | #ifdef MBED_RPC |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 82 | virtual const struct rpc_method *get_rpc_methods(); |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 83 | static struct rpc_class *get_rpc_class(); |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 84 | #endif |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 85 | |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 86 | protected: |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 87 | |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 88 | DigitalInOut* _pin[16]; |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 89 | |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 90 | #ifdef MBED_RPC |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 91 | static void construct(const char *arguments, char *res); |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 92 | #endif |
emilmont | 43:e2ed12d17f06 | 93 | |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 94 | }; |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 95 | |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 96 | } // namespace mbed |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 97 | |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 98 | #endif |
rolf.meyer@arm.com | 11:1c1ebd0324fa | 99 |