Amit Gandhi
/
mbed-dev_2
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mbed-dev
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mbed official
api/BusInOut.h@107:414e9c822e99, 2016-04-05 (annotated)
- Committer:
- mbed_official
- Date:
- Tue Apr 05 18:15:12 2016 +0100
- Revision:
- 107:414e9c822e99
- Parent:
- 0:9b334a45a8ff
- Child:
- 144:ef7eb2e8f9f7
Synchronized with git revision dd3c5f7fa8473776950ec6e15c0e4adedb21cf2f
Full URL: https://github.com/mbedmicro/mbed/commit/dd3c5f7fa8473776950ec6e15c0e4adedb21cf2f/
* * Base Commit for SAMG55J19. No errors and no implementations.
* * Added gpio files.
* * Added pinmap files.
* * Base commit for usticker implementation.
* * Added gcc_arm export functionality
* * added files for usticker.
* added template file for samd55j19
* * GPIO IRQ base commit.
* * updated with changes in gpio irq driver.
* * Reverted back unexpected commit in SAM0 gpio driver.
* * updated gpio_irq driver.
* * correction in gpio and gpio_irq drivers.
* added support for some test for gpio.
* * base commit for peripheralpins for usart.
* update in serial apis.
* * updated serial apis.
* * updated serial apis and test.
* * update serial apis for asynch apis.
* * updated peripheral pins for i2c and spi.
* added test support for serial flow control
* * Base commit for low power ticker implementation.
* * base commit for port apis.
* update in lp ticker apis.
* * Added test support for port.
* * base commit for sleep apis.
* * Base commit for spi.
* * updated with corrections in gpio irq.
* usticker file updated with latest source.
* * updated with corrections for unexpected board reset.
* updated gpio irq apis and added test for the same.
* * updated sleep api for deepsleep.
* * updated serial apis.
* Added uc_ticker and SPI api implementations
* Removed unused SPI pin map
* Updated review feedback
* * implemented lpticker with TC module.
* updated files for KnR Coding Statndard.
* updated serial and usticker apis.
* * Base commit for AnalogueIn apis.
* * RTC apis base commit without implementation.
* * Updated with corrections in lpticker implementations.
* * Added implementation for rtc apis.
* * updated with implementations for pwm.
* changed usticker from TC0 to TC1.
* Added I2C support
* * removed setvector usage from usticker and lpticker implementations
* added tests for SAMG55J19
* * Removed unwanted .o and .d files.
* Updated I2C files for KnR Coding Standards.
* Update for reducing compiler warnings in peripheralpins,c
* Updated with PWM free implementation.
* * Removed unwanted headers file inclusion.
* Compiler warning corrections in serial_api.c
* * Updated ADC with 16 bit mode initialization and code refinements.
* Updated PWM with code refinements.
* Updated I2C review feedback and fixed style
* Updated target name for SAMG55
* * Added Test Support for I2C with AT30TSE75X and Added Support for SAMG55J19 in atmelstudio project exporter
* * Added Test Support for I2C with AT30TSE75X and Added Support for SAMG55J19 in atmelstudio project exporter
* Used NVIC_SetVector for interrupt callback
* Removed Target macro define in test
* Updated test cases to have SAMG55 support
* * Updated with corrections in Serial and SPI asynchronous implementations.
* Updated deepsleep api implementation
* Merged LP_Ticker with latest code from mbed 3.0 repository.
* * updated with corrections in I2C Asynch implementation.
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| bogdanm | 0:9b334a45a8ff | 1 | /* mbed Microcontroller Library |
| bogdanm | 0:9b334a45a8ff | 2 | * Copyright (c) 2006-2013 ARM Limited |
| bogdanm | 0:9b334a45a8ff | 3 | * |
| bogdanm | 0:9b334a45a8ff | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| bogdanm | 0:9b334a45a8ff | 5 | * you may not use this file except in compliance with the License. |
| bogdanm | 0:9b334a45a8ff | 6 | * You may obtain a copy of the License at |
| bogdanm | 0:9b334a45a8ff | 7 | * |
| bogdanm | 0:9b334a45a8ff | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| bogdanm | 0:9b334a45a8ff | 9 | * |
| bogdanm | 0:9b334a45a8ff | 10 | * Unless required by applicable law or agreed to in writing, software |
| bogdanm | 0:9b334a45a8ff | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| bogdanm | 0:9b334a45a8ff | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| bogdanm | 0:9b334a45a8ff | 13 | * See the License for the specific language governing permissions and |
| bogdanm | 0:9b334a45a8ff | 14 | * limitations under the License. |
| bogdanm | 0:9b334a45a8ff | 15 | */ |
| bogdanm | 0:9b334a45a8ff | 16 | #ifndef MBED_BUSINOUT_H |
| bogdanm | 0:9b334a45a8ff | 17 | #define MBED_BUSINOUT_H |
| bogdanm | 0:9b334a45a8ff | 18 | |
| bogdanm | 0:9b334a45a8ff | 19 | #include "DigitalInOut.h" |
| bogdanm | 0:9b334a45a8ff | 20 | |
| bogdanm | 0:9b334a45a8ff | 21 | namespace mbed { |
| bogdanm | 0:9b334a45a8ff | 22 | |
| bogdanm | 0:9b334a45a8ff | 23 | /** A digital input output bus, used for setting the state of a collection of pins |
| bogdanm | 0:9b334a45a8ff | 24 | */ |
| bogdanm | 0:9b334a45a8ff | 25 | class BusInOut { |
| bogdanm | 0:9b334a45a8ff | 26 | |
| bogdanm | 0:9b334a45a8ff | 27 | public: |
| bogdanm | 0:9b334a45a8ff | 28 | |
| bogdanm | 0:9b334a45a8ff | 29 | /** Create an BusInOut, connected to the specified pins |
| bogdanm | 0:9b334a45a8ff | 30 | * |
| bogdanm | 0:9b334a45a8ff | 31 | * @param p<n> DigitalInOut pin to connect to bus bit p<n> (p5-p30, NC) |
| bogdanm | 0:9b334a45a8ff | 32 | * |
| bogdanm | 0:9b334a45a8ff | 33 | * @note |
| bogdanm | 0:9b334a45a8ff | 34 | * It is only required to specify as many pin variables as is required |
| bogdanm | 0:9b334a45a8ff | 35 | * for the bus; the rest will default to NC (not connected) |
| bogdanm | 0:9b334a45a8ff | 36 | */ |
| bogdanm | 0:9b334a45a8ff | 37 | BusInOut(PinName p0, PinName p1 = NC, PinName p2 = NC, PinName p3 = NC, |
| bogdanm | 0:9b334a45a8ff | 38 | PinName p4 = NC, PinName p5 = NC, PinName p6 = NC, PinName p7 = NC, |
| bogdanm | 0:9b334a45a8ff | 39 | PinName p8 = NC, PinName p9 = NC, PinName p10 = NC, PinName p11 = NC, |
| bogdanm | 0:9b334a45a8ff | 40 | PinName p12 = NC, PinName p13 = NC, PinName p14 = NC, PinName p15 = NC); |
| bogdanm | 0:9b334a45a8ff | 41 | |
| bogdanm | 0:9b334a45a8ff | 42 | BusInOut(PinName pins[16]); |
| bogdanm | 0:9b334a45a8ff | 43 | |
| bogdanm | 0:9b334a45a8ff | 44 | virtual ~BusInOut(); |
| bogdanm | 0:9b334a45a8ff | 45 | |
| bogdanm | 0:9b334a45a8ff | 46 | /* Group: Access Methods */ |
| bogdanm | 0:9b334a45a8ff | 47 | |
| bogdanm | 0:9b334a45a8ff | 48 | /** Write the value to the output bus |
| bogdanm | 0:9b334a45a8ff | 49 | * |
| bogdanm | 0:9b334a45a8ff | 50 | * @param value An integer specifying a bit to write for every corresponding DigitalInOut pin |
| bogdanm | 0:9b334a45a8ff | 51 | */ |
| bogdanm | 0:9b334a45a8ff | 52 | void write(int value); |
| bogdanm | 0:9b334a45a8ff | 53 | |
| bogdanm | 0:9b334a45a8ff | 54 | /** Read the value currently output on the bus |
| bogdanm | 0:9b334a45a8ff | 55 | * |
| bogdanm | 0:9b334a45a8ff | 56 | * @returns |
| bogdanm | 0:9b334a45a8ff | 57 | * An integer with each bit corresponding to associated DigitalInOut pin setting |
| bogdanm | 0:9b334a45a8ff | 58 | */ |
| bogdanm | 0:9b334a45a8ff | 59 | int read(); |
| bogdanm | 0:9b334a45a8ff | 60 | |
| bogdanm | 0:9b334a45a8ff | 61 | /** Set as an output |
| bogdanm | 0:9b334a45a8ff | 62 | */ |
| bogdanm | 0:9b334a45a8ff | 63 | void output(); |
| bogdanm | 0:9b334a45a8ff | 64 | |
| bogdanm | 0:9b334a45a8ff | 65 | /** Set as an input |
| bogdanm | 0:9b334a45a8ff | 66 | */ |
| bogdanm | 0:9b334a45a8ff | 67 | void input(); |
| bogdanm | 0:9b334a45a8ff | 68 | |
| bogdanm | 0:9b334a45a8ff | 69 | /** Set the input pin mode |
| bogdanm | 0:9b334a45a8ff | 70 | * |
| bogdanm | 0:9b334a45a8ff | 71 | * @param mode PullUp, PullDown, PullNone |
| bogdanm | 0:9b334a45a8ff | 72 | */ |
| bogdanm | 0:9b334a45a8ff | 73 | void mode(PinMode pull); |
| bogdanm | 0:9b334a45a8ff | 74 | |
| bogdanm | 0:9b334a45a8ff | 75 | /** Binary mask of bus pins connected to actual pins (not NC pins) |
| bogdanm | 0:9b334a45a8ff | 76 | * If bus pin is in NC state make corresponding bit will be cleared (set to 0), else bit will be set to 1 |
| bogdanm | 0:9b334a45a8ff | 77 | * |
| bogdanm | 0:9b334a45a8ff | 78 | * @returns |
| bogdanm | 0:9b334a45a8ff | 79 | * Binary mask of connected pins |
| bogdanm | 0:9b334a45a8ff | 80 | */ |
| bogdanm | 0:9b334a45a8ff | 81 | int mask() { |
| bogdanm | 0:9b334a45a8ff | 82 | return _nc_mask; |
| bogdanm | 0:9b334a45a8ff | 83 | } |
| bogdanm | 0:9b334a45a8ff | 84 | |
| bogdanm | 0:9b334a45a8ff | 85 | #ifdef MBED_OPERATORS |
| bogdanm | 0:9b334a45a8ff | 86 | /** A shorthand for write() |
| bogdanm | 0:9b334a45a8ff | 87 | */ |
| bogdanm | 0:9b334a45a8ff | 88 | BusInOut& operator= (int v); |
| bogdanm | 0:9b334a45a8ff | 89 | BusInOut& operator= (BusInOut& rhs); |
| bogdanm | 0:9b334a45a8ff | 90 | |
| bogdanm | 0:9b334a45a8ff | 91 | /** Access to particular bit in random-iterator fashion |
| bogdanm | 0:9b334a45a8ff | 92 | */ |
| bogdanm | 0:9b334a45a8ff | 93 | DigitalInOut& operator[] (int index); |
| bogdanm | 0:9b334a45a8ff | 94 | |
| bogdanm | 0:9b334a45a8ff | 95 | /** A shorthand for read() |
| bogdanm | 0:9b334a45a8ff | 96 | */ |
| bogdanm | 0:9b334a45a8ff | 97 | operator int(); |
| bogdanm | 0:9b334a45a8ff | 98 | #endif |
| bogdanm | 0:9b334a45a8ff | 99 | |
| bogdanm | 0:9b334a45a8ff | 100 | protected: |
| bogdanm | 0:9b334a45a8ff | 101 | DigitalInOut* _pin[16]; |
| bogdanm | 0:9b334a45a8ff | 102 | |
| bogdanm | 0:9b334a45a8ff | 103 | /** Mask of bus's NC pins |
| bogdanm | 0:9b334a45a8ff | 104 | * If bit[n] is set to 1 - pin is connected |
| bogdanm | 0:9b334a45a8ff | 105 | * if bit[n] is cleared - pin is not connected (NC) |
| bogdanm | 0:9b334a45a8ff | 106 | */ |
| bogdanm | 0:9b334a45a8ff | 107 | int _nc_mask; |
| bogdanm | 0:9b334a45a8ff | 108 | |
| bogdanm | 0:9b334a45a8ff | 109 | /* disallow copy constructor and assignment operators */ |
| bogdanm | 0:9b334a45a8ff | 110 | private: |
| bogdanm | 0:9b334a45a8ff | 111 | BusInOut(const BusInOut&); |
| bogdanm | 0:9b334a45a8ff | 112 | BusInOut & operator = (const BusInOut&); |
| bogdanm | 0:9b334a45a8ff | 113 | }; |
| bogdanm | 0:9b334a45a8ff | 114 | |
| bogdanm | 0:9b334a45a8ff | 115 | } // namespace mbed |
| bogdanm | 0:9b334a45a8ff | 116 | |
| bogdanm | 0:9b334a45a8ff | 117 | #endif |