Mohamed Moawya / SnakeGame

test test test

Dependencies:   mbed

snake-test/mbed/drivers/SerialWireOutput.h@0:e4c5e6ec922e, 2020-05-25 (annotated)

Committer:
mohamedmoawya
Date:
Mon May 25 19:06:11 2020 +0000
Revision:
0:e4c5e6ec922e
snake game tteest

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mohamedmoawya 0:e4c5e6ec922e 1 /* mbed Microcontroller Library
mohamedmoawya 0:e4c5e6ec922e 2 * Copyright (c) 2017 ARM Limited
mohamedmoawya 0:e4c5e6ec922e 3 *
mohamedmoawya 0:e4c5e6ec922e 4 * Licensed under the Apache License, Version 2.0 (the "License");
mohamedmoawya 0:e4c5e6ec922e 5 * you may not use this file except in compliance with the License.
mohamedmoawya 0:e4c5e6ec922e 6 * You may obtain a copy of the License at
mohamedmoawya 0:e4c5e6ec922e 7 *
mohamedmoawya 0:e4c5e6ec922e 8 * http://www.apache.org/licenses/LICENSE-2.0
mohamedmoawya 0:e4c5e6ec922e 9 *
mohamedmoawya 0:e4c5e6ec922e 10 * Unless required by applicable law or agreed to in writing, software
mohamedmoawya 0:e4c5e6ec922e 11 * distributed under the License is distributed on an "AS IS" BASIS,
mohamedmoawya 0:e4c5e6ec922e 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
mohamedmoawya 0:e4c5e6ec922e 13 * See the License for the specific language governing permissions and
mohamedmoawya 0:e4c5e6ec922e 14 * limitations under the License.
mohamedmoawya 0:e4c5e6ec922e 15 */
mohamedmoawya 0:e4c5e6ec922e 16
mohamedmoawya 0:e4c5e6ec922e 17 #ifndef MBED_SERIALWIREOUTPUT_H
mohamedmoawya 0:e4c5e6ec922e 18 #define MBED_SERIALWIREOUTPUT_H
mohamedmoawya 0:e4c5e6ec922e 19
mohamedmoawya 0:e4c5e6ec922e 20 #if defined(DEVICE_ITM)
mohamedmoawya 0:e4c5e6ec922e 21
mohamedmoawya 0:e4c5e6ec922e 22 #include "hal/itm_api.h"
mohamedmoawya 0:e4c5e6ec922e 23 #include "platform/FileHandle.h"
mohamedmoawya 0:e4c5e6ec922e 24
mohamedmoawya 0:e4c5e6ec922e 25 namespace mbed {
mohamedmoawya 0:e4c5e6ec922e 26
mohamedmoawya 0:e4c5e6ec922e 27 class SerialWireOutput : public FileHandle {
mohamedmoawya 0:e4c5e6ec922e 28
mohamedmoawya 0:e4c5e6ec922e 29 public:
mohamedmoawya 0:e4c5e6ec922e 30
mohamedmoawya 0:e4c5e6ec922e 31 SerialWireOutput(void)
mohamedmoawya 0:e4c5e6ec922e 32 {
mohamedmoawya 0:e4c5e6ec922e 33 /* Initialize ITM using internal init function. */
mohamedmoawya 0:e4c5e6ec922e 34 mbed_itm_init();
mohamedmoawya 0:e4c5e6ec922e 35 }
mohamedmoawya 0:e4c5e6ec922e 36
mohamedmoawya 0:e4c5e6ec922e 37 virtual ssize_t write(const void *buffer, size_t size)
mohamedmoawya 0:e4c5e6ec922e 38 {
mohamedmoawya 0:e4c5e6ec922e 39 mbed_itm_send_block(ITM_PORT_SWO, buffer, size);
mohamedmoawya 0:e4c5e6ec922e 40
mohamedmoawya 0:e4c5e6ec922e 41 return size;
mohamedmoawya 0:e4c5e6ec922e 42 }
mohamedmoawya 0:e4c5e6ec922e 43
mohamedmoawya 0:e4c5e6ec922e 44 virtual ssize_t read(void *buffer, size_t size)
mohamedmoawya 0:e4c5e6ec922e 45 {
mohamedmoawya 0:e4c5e6ec922e 46 /* Reading is not supported by this file handle */
mohamedmoawya 0:e4c5e6ec922e 47 return -EBADF;
mohamedmoawya 0:e4c5e6ec922e 48 }
mohamedmoawya 0:e4c5e6ec922e 49
mohamedmoawya 0:e4c5e6ec922e 50 virtual off_t seek(off_t offset, int whence = SEEK_SET)
mohamedmoawya 0:e4c5e6ec922e 51 {
mohamedmoawya 0:e4c5e6ec922e 52 /* Seeking is not support by this file handler */
mohamedmoawya 0:e4c5e6ec922e 53 return -ESPIPE;
mohamedmoawya 0:e4c5e6ec922e 54 }
mohamedmoawya 0:e4c5e6ec922e 55
mohamedmoawya 0:e4c5e6ec922e 56 virtual off_t size()
mohamedmoawya 0:e4c5e6ec922e 57 {
mohamedmoawya 0:e4c5e6ec922e 58 /* Size is not defined for this file handle */
mohamedmoawya 0:e4c5e6ec922e 59 return -EINVAL;
mohamedmoawya 0:e4c5e6ec922e 60 }
mohamedmoawya 0:e4c5e6ec922e 61
mohamedmoawya 0:e4c5e6ec922e 62 virtual int isatty()
mohamedmoawya 0:e4c5e6ec922e 63 {
mohamedmoawya 0:e4c5e6ec922e 64 /* File handle is used for terminal output */
mohamedmoawya 0:e4c5e6ec922e 65 return true;
mohamedmoawya 0:e4c5e6ec922e 66 }
mohamedmoawya 0:e4c5e6ec922e 67
mohamedmoawya 0:e4c5e6ec922e 68 virtual int close()
mohamedmoawya 0:e4c5e6ec922e 69 {
mohamedmoawya 0:e4c5e6ec922e 70 return 0;
mohamedmoawya 0:e4c5e6ec922e 71 }
mohamedmoawya 0:e4c5e6ec922e 72 };
mohamedmoawya 0:e4c5e6ec922e 73
mohamedmoawya 0:e4c5e6ec922e 74 } // namespace mbed
mohamedmoawya 0:e4c5e6ec922e 75
mohamedmoawya 0:e4c5e6ec922e 76 #endif // DEVICE_ITM
mohamedmoawya 0:e4c5e6ec922e 77
mohamedmoawya 0:e4c5e6ec922e 78 #endif // MBED_SERIALWIREOUTPUT_H