Aravind Vadali / mbed-src-AV

mbed.h library with any bug fixes AV finds.

Dependents:   micromouse4_encoder_testing PID_Test Lab1_Test WorkingPID ... more

common/RawSerial.cpp@1:ebce2ad32f95, 2015-11-02 (annotated)

Committer:
aravindsv
Date:
Mon Nov 02 03:07:12 2015 +0000
Revision:
1:ebce2ad32f95
Parent:
0:ba7650f404af 
Changed the RCC timeout value to 500 ms, so total code startup time before program starts running is ~1s. Hopefully no side-effects from lower startup timeouts

Who changed what in which revision?

UserRevisionLine numberNew contents of line
aravindsv 0:ba7650f404af 1 /* mbed Microcontroller Library
aravindsv 0:ba7650f404af 2 * Copyright (c) 2006-2013 ARM Limited
aravindsv 0:ba7650f404af 3 *
aravindsv 0:ba7650f404af 4 * Licensed under the Apache License, Version 2.0 (the "License");
aravindsv 0:ba7650f404af 5 * you may not use this file except in compliance with the License.
aravindsv 0:ba7650f404af 6 * You may obtain a copy of the License at
aravindsv 0:ba7650f404af 7 *
aravindsv 0:ba7650f404af 8 * http://www.apache.org/licenses/LICENSE-2.0
aravindsv 0:ba7650f404af 9 *
aravindsv 0:ba7650f404af 10 * Unless required by applicable law or agreed to in writing, software
aravindsv 0:ba7650f404af 11 * distributed under the License is distributed on an "AS IS" BASIS,
aravindsv 0:ba7650f404af 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
aravindsv 0:ba7650f404af 13 * See the License for the specific language governing permissions and
aravindsv 0:ba7650f404af 14 * limitations under the License.
aravindsv 0:ba7650f404af 15 */
aravindsv 0:ba7650f404af 16 #include "RawSerial.h"
aravindsv 0:ba7650f404af 17 #include "wait_api.h"
aravindsv 0:ba7650f404af 18 #include <cstdarg>
aravindsv 0:ba7650f404af 19
aravindsv 0:ba7650f404af 20 #if DEVICE_SERIAL
aravindsv 0:ba7650f404af 21
aravindsv 0:ba7650f404af 22 #define STRING_STACK_LIMIT 120
aravindsv 0:ba7650f404af 23
aravindsv 0:ba7650f404af 24 namespace mbed {
aravindsv 0:ba7650f404af 25
aravindsv 0:ba7650f404af 26 RawSerial::RawSerial(PinName tx, PinName rx) : SerialBase(tx, rx) {
aravindsv 0:ba7650f404af 27 }
aravindsv 0:ba7650f404af 28
aravindsv 0:ba7650f404af 29 int RawSerial::getc() {
aravindsv 0:ba7650f404af 30 return _base_getc();
aravindsv 0:ba7650f404af 31 }
aravindsv 0:ba7650f404af 32
aravindsv 0:ba7650f404af 33 int RawSerial::putc(int c) {
aravindsv 0:ba7650f404af 34 return _base_putc(c);
aravindsv 0:ba7650f404af 35 }
aravindsv 0:ba7650f404af 36
aravindsv 0:ba7650f404af 37 int RawSerial::puts(const char *str) {
aravindsv 0:ba7650f404af 38 while (*str)
aravindsv 0:ba7650f404af 39 putc(*str ++);
aravindsv 0:ba7650f404af 40 return 0;
aravindsv 0:ba7650f404af 41 }
aravindsv 0:ba7650f404af 42
aravindsv 0:ba7650f404af 43 // Experimental support for printf in RawSerial. No Stream inheritance
aravindsv 0:ba7650f404af 44 // means we can't call printf() directly, so we use sprintf() instead.
aravindsv 0:ba7650f404af 45 // We only call malloc() for the sprintf() buffer if the buffer
aravindsv 0:ba7650f404af 46 // length is above a certain threshold, otherwise we use just the stack.
aravindsv 0:ba7650f404af 47 int RawSerial::printf(const char *format, ...) {
aravindsv 0:ba7650f404af 48 std::va_list arg;
aravindsv 0:ba7650f404af 49 va_start(arg, format);
aravindsv 0:ba7650f404af 50 int len = vsnprintf(NULL, 0, format, arg);
aravindsv 0:ba7650f404af 51 if (len < STRING_STACK_LIMIT) {
aravindsv 0:ba7650f404af 52 char temp[STRING_STACK_LIMIT];
aravindsv 0:ba7650f404af 53 vsprintf(temp, format, arg);
aravindsv 0:ba7650f404af 54 puts(temp);
aravindsv 0:ba7650f404af 55 } else {
aravindsv 0:ba7650f404af 56 char *temp = new char[len + 1];
aravindsv 0:ba7650f404af 57 vsprintf(temp, format, arg);
aravindsv 0:ba7650f404af 58 puts(temp);
aravindsv 0:ba7650f404af 59 delete[] temp;
aravindsv 0:ba7650f404af 60 }
aravindsv 0:ba7650f404af 61 va_end(arg);
aravindsv 0:ba7650f404af 62 return len;
aravindsv 0:ba7650f404af 63 }
aravindsv 0:ba7650f404af 64
aravindsv 0:ba7650f404af 65 } // namespace mbed
aravindsv 0:ba7650f404af 66
aravindsv 0:ba7650f404af 67 #endif