Preliminary main mbed library for nexpaq development
hal/api/RawSerial.h@0:6c56fb4bc5f0, 2016-11-04 (annotated)
- Committer:
- nexpaq
- Date:
- Fri Nov 04 20:27:58 2016 +0000
- Revision:
- 0:6c56fb4bc5f0
Moving to library for sharing updates
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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nexpaq | 0:6c56fb4bc5f0 | 1 | /* mbed Microcontroller Library |
nexpaq | 0:6c56fb4bc5f0 | 2 | * Copyright (c) 2006-2013 ARM Limited |
nexpaq | 0:6c56fb4bc5f0 | 3 | * |
nexpaq | 0:6c56fb4bc5f0 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
nexpaq | 0:6c56fb4bc5f0 | 5 | * you may not use this file except in compliance with the License. |
nexpaq | 0:6c56fb4bc5f0 | 6 | * You may obtain a copy of the License at |
nexpaq | 0:6c56fb4bc5f0 | 7 | * |
nexpaq | 0:6c56fb4bc5f0 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
nexpaq | 0:6c56fb4bc5f0 | 9 | * |
nexpaq | 0:6c56fb4bc5f0 | 10 | * Unless required by applicable law or agreed to in writing, software |
nexpaq | 0:6c56fb4bc5f0 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
nexpaq | 0:6c56fb4bc5f0 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
nexpaq | 0:6c56fb4bc5f0 | 13 | * See the License for the specific language governing permissions and |
nexpaq | 0:6c56fb4bc5f0 | 14 | * limitations under the License. |
nexpaq | 0:6c56fb4bc5f0 | 15 | */ |
nexpaq | 0:6c56fb4bc5f0 | 16 | #ifndef MBED_RAW_SERIAL_H |
nexpaq | 0:6c56fb4bc5f0 | 17 | #define MBED_RAW_SERIAL_H |
nexpaq | 0:6c56fb4bc5f0 | 18 | |
nexpaq | 0:6c56fb4bc5f0 | 19 | #include "platform.h" |
nexpaq | 0:6c56fb4bc5f0 | 20 | |
nexpaq | 0:6c56fb4bc5f0 | 21 | #if DEVICE_SERIAL |
nexpaq | 0:6c56fb4bc5f0 | 22 | |
nexpaq | 0:6c56fb4bc5f0 | 23 | #include "SerialBase.h" |
nexpaq | 0:6c56fb4bc5f0 | 24 | #include "serial_api.h" |
nexpaq | 0:6c56fb4bc5f0 | 25 | |
nexpaq | 0:6c56fb4bc5f0 | 26 | namespace mbed { |
nexpaq | 0:6c56fb4bc5f0 | 27 | |
nexpaq | 0:6c56fb4bc5f0 | 28 | /** A serial port (UART) for communication with other serial devices |
nexpaq | 0:6c56fb4bc5f0 | 29 | * This is a variation of the Serial class that doesn't use streams, |
nexpaq | 0:6c56fb4bc5f0 | 30 | * thus making it safe to use in interrupt handlers with the RTOS. |
nexpaq | 0:6c56fb4bc5f0 | 31 | * |
nexpaq | 0:6c56fb4bc5f0 | 32 | * Can be used for Full Duplex communication, or Simplex by specifying |
nexpaq | 0:6c56fb4bc5f0 | 33 | * one pin as NC (Not Connected) |
nexpaq | 0:6c56fb4bc5f0 | 34 | * |
nexpaq | 0:6c56fb4bc5f0 | 35 | * @Note Synchronization level: Not protected |
nexpaq | 0:6c56fb4bc5f0 | 36 | * |
nexpaq | 0:6c56fb4bc5f0 | 37 | * Example: |
nexpaq | 0:6c56fb4bc5f0 | 38 | * @code |
nexpaq | 0:6c56fb4bc5f0 | 39 | * // Send a char to the PC |
nexpaq | 0:6c56fb4bc5f0 | 40 | * |
nexpaq | 0:6c56fb4bc5f0 | 41 | * #include "mbed.h" |
nexpaq | 0:6c56fb4bc5f0 | 42 | * |
nexpaq | 0:6c56fb4bc5f0 | 43 | * RawSerial pc(USBTX, USBRX); |
nexpaq | 0:6c56fb4bc5f0 | 44 | * |
nexpaq | 0:6c56fb4bc5f0 | 45 | * int main() { |
nexpaq | 0:6c56fb4bc5f0 | 46 | * pc.putc('A'); |
nexpaq | 0:6c56fb4bc5f0 | 47 | * } |
nexpaq | 0:6c56fb4bc5f0 | 48 | * @endcode |
nexpaq | 0:6c56fb4bc5f0 | 49 | */ |
nexpaq | 0:6c56fb4bc5f0 | 50 | class RawSerial: public SerialBase { |
nexpaq | 0:6c56fb4bc5f0 | 51 | |
nexpaq | 0:6c56fb4bc5f0 | 52 | public: |
nexpaq | 0:6c56fb4bc5f0 | 53 | /** Create a RawSerial port, connected to the specified transmit and receive pins |
nexpaq | 0:6c56fb4bc5f0 | 54 | * |
nexpaq | 0:6c56fb4bc5f0 | 55 | * @param tx Transmit pin |
nexpaq | 0:6c56fb4bc5f0 | 56 | * @param rx Receive pin |
nexpaq | 0:6c56fb4bc5f0 | 57 | * |
nexpaq | 0:6c56fb4bc5f0 | 58 | * @note |
nexpaq | 0:6c56fb4bc5f0 | 59 | * Either tx or rx may be specified as NC if unused |
nexpaq | 0:6c56fb4bc5f0 | 60 | */ |
nexpaq | 0:6c56fb4bc5f0 | 61 | RawSerial(PinName tx, PinName rx); |
nexpaq | 0:6c56fb4bc5f0 | 62 | |
nexpaq | 0:6c56fb4bc5f0 | 63 | /** Write a char to the serial port |
nexpaq | 0:6c56fb4bc5f0 | 64 | * |
nexpaq | 0:6c56fb4bc5f0 | 65 | * @param c The char to write |
nexpaq | 0:6c56fb4bc5f0 | 66 | * |
nexpaq | 0:6c56fb4bc5f0 | 67 | * @returns The written char or -1 if an error occured |
nexpaq | 0:6c56fb4bc5f0 | 68 | */ |
nexpaq | 0:6c56fb4bc5f0 | 69 | int putc(int c); |
nexpaq | 0:6c56fb4bc5f0 | 70 | |
nexpaq | 0:6c56fb4bc5f0 | 71 | /** Read a char from the serial port |
nexpaq | 0:6c56fb4bc5f0 | 72 | * |
nexpaq | 0:6c56fb4bc5f0 | 73 | * @returns The char read from the serial port |
nexpaq | 0:6c56fb4bc5f0 | 74 | */ |
nexpaq | 0:6c56fb4bc5f0 | 75 | int getc(); |
nexpaq | 0:6c56fb4bc5f0 | 76 | |
nexpaq | 0:6c56fb4bc5f0 | 77 | /** Write a string to the serial port |
nexpaq | 0:6c56fb4bc5f0 | 78 | * |
nexpaq | 0:6c56fb4bc5f0 | 79 | * @param str The string to write |
nexpaq | 0:6c56fb4bc5f0 | 80 | * |
nexpaq | 0:6c56fb4bc5f0 | 81 | * @returns 0 if the write succeeds, EOF for error |
nexpaq | 0:6c56fb4bc5f0 | 82 | */ |
nexpaq | 0:6c56fb4bc5f0 | 83 | int puts(const char *str); |
nexpaq | 0:6c56fb4bc5f0 | 84 | |
nexpaq | 0:6c56fb4bc5f0 | 85 | int printf(const char *format, ...); |
nexpaq | 0:6c56fb4bc5f0 | 86 | |
nexpaq | 0:6c56fb4bc5f0 | 87 | protected: |
nexpaq | 0:6c56fb4bc5f0 | 88 | |
nexpaq | 0:6c56fb4bc5f0 | 89 | /** Acquire exclusive access to this serial port |
nexpaq | 0:6c56fb4bc5f0 | 90 | */ |
nexpaq | 0:6c56fb4bc5f0 | 91 | virtual void lock(void); |
nexpaq | 0:6c56fb4bc5f0 | 92 | |
nexpaq | 0:6c56fb4bc5f0 | 93 | /** Release exclusive access to this serial port |
nexpaq | 0:6c56fb4bc5f0 | 94 | */ |
nexpaq | 0:6c56fb4bc5f0 | 95 | virtual void unlock(void); |
nexpaq | 0:6c56fb4bc5f0 | 96 | }; |
nexpaq | 0:6c56fb4bc5f0 | 97 | |
nexpaq | 0:6c56fb4bc5f0 | 98 | } // namespace mbed |
nexpaq | 0:6c56fb4bc5f0 | 99 | |
nexpaq | 0:6c56fb4bc5f0 | 100 | #endif |
nexpaq | 0:6c56fb4bc5f0 | 101 | |
nexpaq | 0:6c56fb4bc5f0 | 102 | #endif |