spinal cord / PokittoLib_

PokittoLib is the library needed for programming the Pokitto DIY game console (www.pokitto.com)

mbed-pokitto/common/RawSerial.cpp@5:ea7377f3d1af, 2017-10-11 (annotated)

Committer:
Pokitto
Date:
Wed Oct 11 20:35:27 2017 +0000
Revision:
5:ea7377f3d1af
Fixed PokittoLib. Includes a working custom mbed-src

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Pokitto 5:ea7377f3d1af 1 /* mbed Microcontroller Library
Pokitto 5:ea7377f3d1af 2 * Copyright (c) 2006-2013 ARM Limited
Pokitto 5:ea7377f3d1af 3 *
Pokitto 5:ea7377f3d1af 4 * Licensed under the Apache License, Version 2.0 (the "License");
Pokitto 5:ea7377f3d1af 5 * you may not use this file except in compliance with the License.
Pokitto 5:ea7377f3d1af 6 * You may obtain a copy of the License at
Pokitto 5:ea7377f3d1af 7 *
Pokitto 5:ea7377f3d1af 8 * http://www.apache.org/licenses/LICENSE-2.0
Pokitto 5:ea7377f3d1af 9 *
Pokitto 5:ea7377f3d1af 10 * Unless required by applicable law or agreed to in writing, software
Pokitto 5:ea7377f3d1af 11 * distributed under the License is distributed on an "AS IS" BASIS,
Pokitto 5:ea7377f3d1af 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
Pokitto 5:ea7377f3d1af 13 * See the License for the specific language governing permissions and
Pokitto 5:ea7377f3d1af 14 * limitations under the License.
Pokitto 5:ea7377f3d1af 15 */
Pokitto 5:ea7377f3d1af 16 #include "RawSerial.h"
Pokitto 5:ea7377f3d1af 17 #include "wait_api.h"
Pokitto 5:ea7377f3d1af 18 #include <cstdarg>
Pokitto 5:ea7377f3d1af 19
Pokitto 5:ea7377f3d1af 20 #if DEVICE_SERIAL
Pokitto 5:ea7377f3d1af 21
Pokitto 5:ea7377f3d1af 22 #define STRING_STACK_LIMIT 120
Pokitto 5:ea7377f3d1af 23
Pokitto 5:ea7377f3d1af 24 namespace mbed {
Pokitto 5:ea7377f3d1af 25
Pokitto 5:ea7377f3d1af 26 RawSerial::RawSerial(PinName tx, PinName rx) : SerialBase(tx, rx) {
Pokitto 5:ea7377f3d1af 27 }
Pokitto 5:ea7377f3d1af 28
Pokitto 5:ea7377f3d1af 29 int RawSerial::getc() {
Pokitto 5:ea7377f3d1af 30 return _base_getc();
Pokitto 5:ea7377f3d1af 31 }
Pokitto 5:ea7377f3d1af 32
Pokitto 5:ea7377f3d1af 33 int RawSerial::putc(int c) {
Pokitto 5:ea7377f3d1af 34 return _base_putc(c);
Pokitto 5:ea7377f3d1af 35 }
Pokitto 5:ea7377f3d1af 36
Pokitto 5:ea7377f3d1af 37 int RawSerial::puts(const char *str) {
Pokitto 5:ea7377f3d1af 38 while (*str)
Pokitto 5:ea7377f3d1af 39 putc(*str ++);
Pokitto 5:ea7377f3d1af 40 return 0;
Pokitto 5:ea7377f3d1af 41 }
Pokitto 5:ea7377f3d1af 42
Pokitto 5:ea7377f3d1af 43 // Experimental support for printf in RawSerial. No Stream inheritance
Pokitto 5:ea7377f3d1af 44 // means we can't call printf() directly, so we use sprintf() instead.
Pokitto 5:ea7377f3d1af 45 // We only call malloc() for the sprintf() buffer if the buffer
Pokitto 5:ea7377f3d1af 46 // length is above a certain threshold, otherwise we use just the stack.
Pokitto 5:ea7377f3d1af 47 int RawSerial::printf(const char *format, ...) {
Pokitto 5:ea7377f3d1af 48 std::va_list arg;
Pokitto 5:ea7377f3d1af 49 va_start(arg, format);
Pokitto 5:ea7377f3d1af 50 int len = vsnprintf(NULL, 0, format, arg);
Pokitto 5:ea7377f3d1af 51 if (len < STRING_STACK_LIMIT) {
Pokitto 5:ea7377f3d1af 52 char temp[STRING_STACK_LIMIT];
Pokitto 5:ea7377f3d1af 53 vsprintf(temp, format, arg);
Pokitto 5:ea7377f3d1af 54 puts(temp);
Pokitto 5:ea7377f3d1af 55 } else {
Pokitto 5:ea7377f3d1af 56 char *temp = new char[len + 1];
Pokitto 5:ea7377f3d1af 57 vsprintf(temp, format, arg);
Pokitto 5:ea7377f3d1af 58 puts(temp);
Pokitto 5:ea7377f3d1af 59 delete[] temp;
Pokitto 5:ea7377f3d1af 60 }
Pokitto 5:ea7377f3d1af 61 va_end(arg);
Pokitto 5:ea7377f3d1af 62 return len;
Pokitto 5:ea7377f3d1af 63 }
Pokitto 5:ea7377f3d1af 64
Pokitto 5:ea7377f3d1af 65 } // namespace mbed
Pokitto 5:ea7377f3d1af 66
Pokitto 5:ea7377f3d1af 67 #endif