Aleksandrs Gumenuks / MaximInterface_Extended

Extended MaximInterface

Dependents:   mbed_DS28EC20_GPIO

Platforms/mbed/Uart.cpp@8:211d1b8f730c, 2019-04-03 (annotated)

Committer:
reARMnimator
Date:
Wed Apr 03 12:33:10 2019 +0000
Revision:
8:211d1b8f730c
Parent:
6:a8c83a2e6fa4 
Merge with version 1.7;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
IanBenzMaxim 0:f77ad7f72d04 1 /*******************************************************************************
IanBenzMaxim 0:f77ad7f72d04 2 * Copyright (C) 2017 Maxim Integrated Products, Inc., All Rights Reserved.
IanBenzMaxim 0:f77ad7f72d04 3 *
IanBenzMaxim 0:f77ad7f72d04 4 * Permission is hereby granted, free of charge, to any person obtaining a
IanBenzMaxim 0:f77ad7f72d04 5 * copy of this software and associated documentation files (the "Software"),
IanBenzMaxim 0:f77ad7f72d04 6 * to deal in the Software without restriction, including without limitation
IanBenzMaxim 0:f77ad7f72d04 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
IanBenzMaxim 0:f77ad7f72d04 8 * and/or sell copies of the Software, and to permit persons to whom the
IanBenzMaxim 0:f77ad7f72d04 9 * Software is furnished to do so, subject to the following conditions:
IanBenzMaxim 0:f77ad7f72d04 10 *
IanBenzMaxim 0:f77ad7f72d04 11 * The above copyright notice and this permission notice shall be included
IanBenzMaxim 0:f77ad7f72d04 12 * in all copies or substantial portions of the Software.
IanBenzMaxim 0:f77ad7f72d04 13 *
IanBenzMaxim 0:f77ad7f72d04 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
IanBenzMaxim 0:f77ad7f72d04 15 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
IanBenzMaxim 0:f77ad7f72d04 16 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IanBenzMaxim 0:f77ad7f72d04 17 * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
IanBenzMaxim 0:f77ad7f72d04 18 * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
IanBenzMaxim 0:f77ad7f72d04 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
IanBenzMaxim 0:f77ad7f72d04 20 * OTHER DEALINGS IN THE SOFTWARE.
IanBenzMaxim 0:f77ad7f72d04 21 *
IanBenzMaxim 0:f77ad7f72d04 22 * Except as contained in this notice, the name of Maxim Integrated
IanBenzMaxim 0:f77ad7f72d04 23 * Products, Inc. shall not be used except as stated in the Maxim Integrated
IanBenzMaxim 0:f77ad7f72d04 24 * Products, Inc. Branding Policy.
IanBenzMaxim 0:f77ad7f72d04 25 *
IanBenzMaxim 0:f77ad7f72d04 26 * The mere transfer of this software does not imply any licenses
IanBenzMaxim 0:f77ad7f72d04 27 * of trade secrets, proprietary technology, copyrights, patents,
IanBenzMaxim 0:f77ad7f72d04 28 * trademarks, maskwork rights, or any other form of intellectual
IanBenzMaxim 0:f77ad7f72d04 29 * property whatsoever. Maxim Integrated Products, Inc. retains all
IanBenzMaxim 0:f77ad7f72d04 30 * ownership rights.
IanBenzMaxim 0:f77ad7f72d04 31 *******************************************************************************/
IanBenzMaxim 0:f77ad7f72d04 32
IanBenzMaxim 0:f77ad7f72d04 33 #include <MaximInterface/Utilities/Error.hpp>
IanBenzMaxim 0:f77ad7f72d04 34 #include <Timer.h>
IanBenzMaxim 0:f77ad7f72d04 35 #include "Uart.hpp"
IanBenzMaxim 0:f77ad7f72d04 36
IanBenzMaxim 0:f77ad7f72d04 37 static const int timeout_ms = 10000;
IanBenzMaxim 0:f77ad7f72d04 38
IanBenzMaxim 0:f77ad7f72d04 39 namespace MaximInterface {
IanBenzMaxim 0:f77ad7f72d04 40 namespace mbed {
IanBenzMaxim 0:f77ad7f72d04 41
IanBenzMaxim 3:f818ea5172ed 42 error_code Uart::setBaudRate(int_least32_t baudRate) {
IanBenzMaxim 3:f818ea5172ed 43 serial->baud(baudRate);
IanBenzMaxim 0:f77ad7f72d04 44 return error_code();
IanBenzMaxim 0:f77ad7f72d04 45 }
IanBenzMaxim 0:f77ad7f72d04 46
IanBenzMaxim 0:f77ad7f72d04 47 error_code Uart::sendBreak() {
IanBenzMaxim 0:f77ad7f72d04 48 serial->send_break();
IanBenzMaxim 0:f77ad7f72d04 49 return error_code();
IanBenzMaxim 0:f77ad7f72d04 50 }
IanBenzMaxim 0:f77ad7f72d04 51
IanBenzMaxim 0:f77ad7f72d04 52 error_code Uart::clearReadBuffer() {
IanBenzMaxim 0:f77ad7f72d04 53 while (serial->readable()) {
IanBenzMaxim 0:f77ad7f72d04 54 serial->getc();
IanBenzMaxim 0:f77ad7f72d04 55 }
IanBenzMaxim 0:f77ad7f72d04 56 return error_code();
IanBenzMaxim 0:f77ad7f72d04 57 }
IanBenzMaxim 0:f77ad7f72d04 58
IanBenzMaxim 0:f77ad7f72d04 59 error_code Uart::writeByte(uint_least8_t data) {
IanBenzMaxim 0:f77ad7f72d04 60 if (!serial->writeable()) {
IanBenzMaxim 0:f77ad7f72d04 61 ::mbed::Timer timer;
IanBenzMaxim 0:f77ad7f72d04 62 timer.start();
IanBenzMaxim 0:f77ad7f72d04 63 while (!serial->writeable()) {
IanBenzMaxim 0:f77ad7f72d04 64 if (timer.read_ms() >= timeout_ms) {
IanBenzMaxim 0:f77ad7f72d04 65 return make_error_code(HardwareError);
IanBenzMaxim 0:f77ad7f72d04 66 }
IanBenzMaxim 0:f77ad7f72d04 67 }
IanBenzMaxim 0:f77ad7f72d04 68 }
IanBenzMaxim 0:f77ad7f72d04 69 serial->putc(data);
IanBenzMaxim 0:f77ad7f72d04 70 return error_code();
IanBenzMaxim 0:f77ad7f72d04 71 }
IanBenzMaxim 0:f77ad7f72d04 72
IanBenzMaxim 0:f77ad7f72d04 73 error_code Uart::readByte(uint_least8_t & data) {
IanBenzMaxim 0:f77ad7f72d04 74 if (!serial->readable()) {
IanBenzMaxim 0:f77ad7f72d04 75 ::mbed::Timer timer;
IanBenzMaxim 0:f77ad7f72d04 76 timer.start();
IanBenzMaxim 0:f77ad7f72d04 77 while (!serial->readable()) {
IanBenzMaxim 0:f77ad7f72d04 78 if (timer.read_ms() >= timeout_ms) {
IanBenzMaxim 0:f77ad7f72d04 79 return make_error_code(TimeoutError);
IanBenzMaxim 0:f77ad7f72d04 80 }
IanBenzMaxim 0:f77ad7f72d04 81 }
IanBenzMaxim 0:f77ad7f72d04 82 }
IanBenzMaxim 0:f77ad7f72d04 83 data = serial->getc();
IanBenzMaxim 0:f77ad7f72d04 84 return error_code();
IanBenzMaxim 0:f77ad7f72d04 85 }
IanBenzMaxim 0:f77ad7f72d04 86
IanBenzMaxim 0:f77ad7f72d04 87 const error_category & Uart::errorCategory() {
IanBenzMaxim 0:f77ad7f72d04 88 static class : public error_category {
IanBenzMaxim 0:f77ad7f72d04 89 public:
IanBenzMaxim 0:f77ad7f72d04 90 virtual const char * name() const { return "mbed UART"; }
IanBenzMaxim 0:f77ad7f72d04 91
IanBenzMaxim 0:f77ad7f72d04 92 virtual std::string message(int condition) const {
IanBenzMaxim 0:f77ad7f72d04 93 switch (condition) {
IanBenzMaxim 0:f77ad7f72d04 94 case HardwareError:
IanBenzMaxim 0:f77ad7f72d04 95 return "Hardware Error";
IanBenzMaxim 0:f77ad7f72d04 96
IanBenzMaxim 0:f77ad7f72d04 97 default:
IanBenzMaxim 0:f77ad7f72d04 98 return defaultErrorMessage(condition);
IanBenzMaxim 0:f77ad7f72d04 99 }
IanBenzMaxim 0:f77ad7f72d04 100 }
IanBenzMaxim 0:f77ad7f72d04 101 } instance;
IanBenzMaxim 0:f77ad7f72d04 102 return instance;
IanBenzMaxim 0:f77ad7f72d04 103 }
IanBenzMaxim 0:f77ad7f72d04 104
IanBenzMaxim 0:f77ad7f72d04 105 } // namespace mbed
IanBenzMaxim 6:a8c83a2e6fa4 106 } // namespace MaximInterface