Demo program for library named SD_PlayerSkeleton of SD card player skeleton. SD カードプレーヤのための骨組みとして使うためのライブラリ SD_PlayerSkeleton の使用例.このプログラムについては,CQ出版社インターフェース誌 2018年7月号で解説している.
Dependencies: F746_GUI F746_SAI_IO SD_PlayerSkeleton
mbed_src_STM32F7/common/RawSerial.cpp@19:3c3833ec00d2, 2017-04-09 (annotated)
- Committer:
- MikamiUitOpen
- Date:
- Sun Apr 09 12:44:17 2017 +0000
- Revision:
- 19:3c3833ec00d2
- Parent:
- 2:cf42e62a97dc
20
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
MikamiUitOpen | 2:cf42e62a97dc | 1 | /* mbed Microcontroller Library |
MikamiUitOpen | 2:cf42e62a97dc | 2 | * Copyright (c) 2006-2013 ARM Limited |
MikamiUitOpen | 2:cf42e62a97dc | 3 | * |
MikamiUitOpen | 2:cf42e62a97dc | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
MikamiUitOpen | 2:cf42e62a97dc | 5 | * you may not use this file except in compliance with the License. |
MikamiUitOpen | 2:cf42e62a97dc | 6 | * You may obtain a copy of the License at |
MikamiUitOpen | 2:cf42e62a97dc | 7 | * |
MikamiUitOpen | 2:cf42e62a97dc | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
MikamiUitOpen | 2:cf42e62a97dc | 9 | * |
MikamiUitOpen | 2:cf42e62a97dc | 10 | * Unless required by applicable law or agreed to in writing, software |
MikamiUitOpen | 2:cf42e62a97dc | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
MikamiUitOpen | 2:cf42e62a97dc | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
MikamiUitOpen | 2:cf42e62a97dc | 13 | * See the License for the specific language governing permissions and |
MikamiUitOpen | 2:cf42e62a97dc | 14 | * limitations under the License. |
MikamiUitOpen | 2:cf42e62a97dc | 15 | */ |
MikamiUitOpen | 2:cf42e62a97dc | 16 | #include "RawSerial.h" |
MikamiUitOpen | 2:cf42e62a97dc | 17 | #include "wait_api.h" |
MikamiUitOpen | 2:cf42e62a97dc | 18 | #include <cstdarg> |
MikamiUitOpen | 2:cf42e62a97dc | 19 | |
MikamiUitOpen | 2:cf42e62a97dc | 20 | #if DEVICE_SERIAL |
MikamiUitOpen | 2:cf42e62a97dc | 21 | |
MikamiUitOpen | 2:cf42e62a97dc | 22 | #define STRING_STACK_LIMIT 120 |
MikamiUitOpen | 2:cf42e62a97dc | 23 | |
MikamiUitOpen | 2:cf42e62a97dc | 24 | namespace mbed { |
MikamiUitOpen | 2:cf42e62a97dc | 25 | |
MikamiUitOpen | 2:cf42e62a97dc | 26 | RawSerial::RawSerial(PinName tx, PinName rx) : SerialBase(tx, rx) { |
MikamiUitOpen | 2:cf42e62a97dc | 27 | } |
MikamiUitOpen | 2:cf42e62a97dc | 28 | |
MikamiUitOpen | 2:cf42e62a97dc | 29 | int RawSerial::getc() { |
MikamiUitOpen | 2:cf42e62a97dc | 30 | return _base_getc(); |
MikamiUitOpen | 2:cf42e62a97dc | 31 | } |
MikamiUitOpen | 2:cf42e62a97dc | 32 | |
MikamiUitOpen | 2:cf42e62a97dc | 33 | int RawSerial::putc(int c) { |
MikamiUitOpen | 2:cf42e62a97dc | 34 | return _base_putc(c); |
MikamiUitOpen | 2:cf42e62a97dc | 35 | } |
MikamiUitOpen | 2:cf42e62a97dc | 36 | |
MikamiUitOpen | 2:cf42e62a97dc | 37 | int RawSerial::puts(const char *str) { |
MikamiUitOpen | 2:cf42e62a97dc | 38 | while (*str) |
MikamiUitOpen | 2:cf42e62a97dc | 39 | putc(*str ++); |
MikamiUitOpen | 2:cf42e62a97dc | 40 | return 0; |
MikamiUitOpen | 2:cf42e62a97dc | 41 | } |
MikamiUitOpen | 2:cf42e62a97dc | 42 | |
MikamiUitOpen | 2:cf42e62a97dc | 43 | // Experimental support for printf in RawSerial. No Stream inheritance |
MikamiUitOpen | 2:cf42e62a97dc | 44 | // means we can't call printf() directly, so we use sprintf() instead. |
MikamiUitOpen | 2:cf42e62a97dc | 45 | // We only call malloc() for the sprintf() buffer if the buffer |
MikamiUitOpen | 2:cf42e62a97dc | 46 | // length is above a certain threshold, otherwise we use just the stack. |
MikamiUitOpen | 2:cf42e62a97dc | 47 | int RawSerial::printf(const char *format, ...) { |
MikamiUitOpen | 2:cf42e62a97dc | 48 | std::va_list arg; |
MikamiUitOpen | 2:cf42e62a97dc | 49 | va_start(arg, format); |
MikamiUitOpen | 2:cf42e62a97dc | 50 | // ARMCC microlib does not properly handle a size of 0. |
MikamiUitOpen | 2:cf42e62a97dc | 51 | // As a workaround supply a dummy buffer with a size of 1. |
MikamiUitOpen | 2:cf42e62a97dc | 52 | char dummy_buf[1]; |
MikamiUitOpen | 2:cf42e62a97dc | 53 | int len = vsnprintf(dummy_buf, sizeof(dummy_buf), format, arg); |
MikamiUitOpen | 2:cf42e62a97dc | 54 | if (len < STRING_STACK_LIMIT) { |
MikamiUitOpen | 2:cf42e62a97dc | 55 | char temp[STRING_STACK_LIMIT]; |
MikamiUitOpen | 2:cf42e62a97dc | 56 | vsprintf(temp, format, arg); |
MikamiUitOpen | 2:cf42e62a97dc | 57 | puts(temp); |
MikamiUitOpen | 2:cf42e62a97dc | 58 | } else { |
MikamiUitOpen | 2:cf42e62a97dc | 59 | char *temp = new char[len + 1]; |
MikamiUitOpen | 2:cf42e62a97dc | 60 | vsprintf(temp, format, arg); |
MikamiUitOpen | 2:cf42e62a97dc | 61 | puts(temp); |
MikamiUitOpen | 2:cf42e62a97dc | 62 | delete[] temp; |
MikamiUitOpen | 2:cf42e62a97dc | 63 | } |
MikamiUitOpen | 2:cf42e62a97dc | 64 | va_end(arg); |
MikamiUitOpen | 2:cf42e62a97dc | 65 | return len; |
MikamiUitOpen | 2:cf42e62a97dc | 66 | } |
MikamiUitOpen | 2:cf42e62a97dc | 67 | |
MikamiUitOpen | 2:cf42e62a97dc | 68 | } // namespace mbed |
MikamiUitOpen | 2:cf42e62a97dc | 69 | |
MikamiUitOpen | 2:cf42e62a97dc | 70 | #endif |