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PortInOut.h@28:667d61c9177b, 2011-12-08 (annotated)
- Committer:
- emilmont
- Date:
- Thu Dec 08 12:04:01 2011 +0000
- Revision:
- 28:667d61c9177b
- Parent:
- 27:7110ebee3484
- Child:
- 43:aff670d0d510
Add additional M0 peripherals implementations, fix GCC stdio/uart
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 1 | /* mbed Microcontroller Library - PortInOut |
emilmont | 27:7110ebee3484 | 2 | * Copyright (c) 2006-2011 ARM Limited. All rights reserved. |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 3 | */ |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 4 | |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 5 | #ifndef MBED_PORTINOUT_H |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 6 | #define MBED_PORTINOUT_H |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 7 | |
emilmont | 27:7110ebee3484 | 8 | #include "device.h" |
emilmont | 27:7110ebee3484 | 9 | |
emilmont | 27:7110ebee3484 | 10 | #if DEVICE_PORTINOUT |
emilmont | 27:7110ebee3484 | 11 | |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 12 | #include "PortNames.h" |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 13 | #include "PinNames.h" |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 14 | |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 15 | namespace mbed { |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 16 | |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 17 | /* Class: PortInOut |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 18 | * A multiple pin digital in/out used to set/read multiple bi-directional pins |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 19 | */ |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 20 | class PortInOut { |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 21 | public: |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 22 | |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 23 | /* Constructor: PortInOut |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 24 | * Create an PortInOut, connected to the specified port |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 25 | * |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 26 | * Variables: |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 27 | * port - Port to connect to (Port0-Port5) |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 28 | * mask - A bitmask to identify which bits in the port should be included (0 - ignore) |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 29 | */ |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 30 | PortInOut(PortName port, int mask = 0xFFFFFFFF); |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 31 | |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 32 | /* Function: write |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 33 | * Write the value to the output port |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 34 | * |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 35 | * Variables: |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 36 | * value - An integer specifying a bit to write for every corresponding port pin |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 37 | */ |
emilmont | 28:667d61c9177b | 38 | void write(int value); |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 39 | |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 40 | /* Function: read |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 41 | * Read the value currently output on the port |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 42 | * |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 43 | * Variables: |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 44 | * returns - An integer with each bit corresponding to associated port pin setting |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 45 | */ |
emilmont | 28:667d61c9177b | 46 | int read(); |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 47 | |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 48 | /* Function: output |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 49 | * Set as an output |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 50 | */ |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 51 | void output(); |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 52 | |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 53 | /* Function: input |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 54 | * Set as an input |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 55 | */ |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 56 | void input(); |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 57 | |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 58 | /* Function: mode |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 59 | * Set the input pin mode |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 60 | * |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 61 | * Variables: |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 62 | * mode - PullUp, PullDown, PullNone, OpenDrain |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 63 | */ |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 64 | void mode(PinMode mode); |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 65 | |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 66 | /* Function: operator= |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 67 | * A shorthand for <write> |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 68 | */ |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 69 | PortInOut& operator= (int value) { |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 70 | write(value); |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 71 | return *this; |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 72 | } |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 73 | |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 74 | PortInOut& operator= (PortInOut& rhs) { |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 75 | write(rhs.read()); |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 76 | return *this; |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 77 | } |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 78 | |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 79 | /* Function: operator int() |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 80 | * A shorthand for <read> |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 81 | */ |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 82 | operator int() { |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 83 | return read(); |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 84 | } |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 85 | |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 86 | private: |
emilmont | 28:667d61c9177b | 87 | #if defined(TARGET_LPC1768) || defined(TARGET_LPC2368) |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 88 | LPC_GPIO_TypeDef *_gpio; |
emilmont | 28:667d61c9177b | 89 | #endif |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 90 | PortName _port; |
emilmont | 28:667d61c9177b | 91 | uint32_t _mask; |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 92 | }; |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 93 | |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 94 | } // namespace mbed |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 95 | |
simon.ford@mbed.co.uk | 18:b3c9f16cbb96 | 96 | #endif |
emilmont | 27:7110ebee3484 | 97 | |
emilmont | 27:7110ebee3484 | 98 | #endif |