takashi kadono / Mbed OS Nucleo_446

Color Oled(SSD1331) connect to STMicroelectronics Nucleo-F466

Dependencies:   ssd1331

mbed-os/drivers/SerialWireOutput.h@3:f3764f852aa8, 2018-10-11 (annotated)

Committer:
kadonotakashi
Date:
Thu Oct 11 02:27:46 2018 +0000
Revision:
3:f3764f852aa8
Parent:
0:8fdf9a60065b 
Nucreo 446 + SSD1331 test version;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kadonotakashi 0:8fdf9a60065b 1 /* mbed Microcontroller Library
kadonotakashi 0:8fdf9a60065b 2 * Copyright (c) 2017 ARM Limited
kadonotakashi 0:8fdf9a60065b 3 *
kadonotakashi 0:8fdf9a60065b 4 * Licensed under the Apache License, Version 2.0 (the "License");
kadonotakashi 0:8fdf9a60065b 5 * you may not use this file except in compliance with the License.
kadonotakashi 0:8fdf9a60065b 6 * You may obtain a copy of the License at
kadonotakashi 0:8fdf9a60065b 7 *
kadonotakashi 0:8fdf9a60065b 8 * http://www.apache.org/licenses/LICENSE-2.0
kadonotakashi 0:8fdf9a60065b 9 *
kadonotakashi 0:8fdf9a60065b 10 * Unless required by applicable law or agreed to in writing, software
kadonotakashi 0:8fdf9a60065b 11 * distributed under the License is distributed on an "AS IS" BASIS,
kadonotakashi 0:8fdf9a60065b 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
kadonotakashi 0:8fdf9a60065b 13 * See the License for the specific language governing permissions and
kadonotakashi 0:8fdf9a60065b 14 * limitations under the License.
kadonotakashi 0:8fdf9a60065b 15 */
kadonotakashi 0:8fdf9a60065b 16
kadonotakashi 0:8fdf9a60065b 17 #if defined(DEVICE_ITM)
kadonotakashi 0:8fdf9a60065b 18
kadonotakashi 0:8fdf9a60065b 19 #include "hal/itm_api.h"
kadonotakashi 0:8fdf9a60065b 20 #include "platform/FileHandle.h"
kadonotakashi 0:8fdf9a60065b 21
kadonotakashi 0:8fdf9a60065b 22 namespace mbed {
kadonotakashi 0:8fdf9a60065b 23
kadonotakashi 0:8fdf9a60065b 24 class SerialWireOutput : public FileHandle {
kadonotakashi 0:8fdf9a60065b 25
kadonotakashi 0:8fdf9a60065b 26 public:
kadonotakashi 0:8fdf9a60065b 27
kadonotakashi 0:8fdf9a60065b 28 SerialWireOutput(void)
kadonotakashi 0:8fdf9a60065b 29 {
kadonotakashi 0:8fdf9a60065b 30 /* Initialize ITM using internal init function. */
kadonotakashi 0:8fdf9a60065b 31 mbed_itm_init();
kadonotakashi 0:8fdf9a60065b 32 }
kadonotakashi 0:8fdf9a60065b 33
kadonotakashi 0:8fdf9a60065b 34 virtual ssize_t write(const void *buffer, size_t size)
kadonotakashi 0:8fdf9a60065b 35 {
kadonotakashi 0:8fdf9a60065b 36 mbed_itm_send_block(ITM_PORT_SWO, buffer, size);
kadonotakashi 0:8fdf9a60065b 37
kadonotakashi 0:8fdf9a60065b 38 return size;
kadonotakashi 0:8fdf9a60065b 39 }
kadonotakashi 0:8fdf9a60065b 40
kadonotakashi 0:8fdf9a60065b 41 virtual ssize_t read(void *buffer, size_t size)
kadonotakashi 0:8fdf9a60065b 42 {
kadonotakashi 0:8fdf9a60065b 43 /* Reading is not supported by this file handle */
kadonotakashi 0:8fdf9a60065b 44 return -EBADF;
kadonotakashi 0:8fdf9a60065b 45 }
kadonotakashi 0:8fdf9a60065b 46
kadonotakashi 0:8fdf9a60065b 47 virtual off_t seek(off_t offset, int whence = SEEK_SET)
kadonotakashi 0:8fdf9a60065b 48 {
kadonotakashi 0:8fdf9a60065b 49 /* Seeking is not support by this file handler */
kadonotakashi 0:8fdf9a60065b 50 return -ESPIPE;
kadonotakashi 0:8fdf9a60065b 51 }
kadonotakashi 0:8fdf9a60065b 52
kadonotakashi 0:8fdf9a60065b 53 virtual off_t size()
kadonotakashi 0:8fdf9a60065b 54 {
kadonotakashi 0:8fdf9a60065b 55 /* Size is not defined for this file handle */
kadonotakashi 0:8fdf9a60065b 56 return -EINVAL;
kadonotakashi 0:8fdf9a60065b 57 }
kadonotakashi 0:8fdf9a60065b 58
kadonotakashi 0:8fdf9a60065b 59 virtual int isatty()
kadonotakashi 0:8fdf9a60065b 60 {
kadonotakashi 0:8fdf9a60065b 61 /* File handle is used for terminal output */
kadonotakashi 0:8fdf9a60065b 62 return true;
kadonotakashi 0:8fdf9a60065b 63 }
kadonotakashi 0:8fdf9a60065b 64
kadonotakashi 0:8fdf9a60065b 65 virtual int close()
kadonotakashi 0:8fdf9a60065b 66 {
kadonotakashi 0:8fdf9a60065b 67 return 0;
kadonotakashi 0:8fdf9a60065b 68 }
kadonotakashi 0:8fdf9a60065b 69 };
kadonotakashi 0:8fdf9a60065b 70
kadonotakashi 0:8fdf9a60065b 71 } // namespace mbed
kadonotakashi 0:8fdf9a60065b 72
kadonotakashi 0:8fdf9a60065b 73 #endif