the do / gr-peach-opencv-project

Opencv 3.1 project on GR-PEACH board

Fork of gr-peach-opencv-project by the do

platform/mbed_semihost_api.h@170:54ff26da7eb6, 2017-07-04 (annotated)

Committer:
thedo
Date:
Tue Jul 04 06:23:13 2017 +0000
Revision:
170:54ff26da7eb6
Parent:
167:1657b442184c 
project opencv 3.1 on GR PEACH board, no use SD card.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
thedo 167:1657b442184c 1
thedo 167:1657b442184c 2 /** \addtogroup platform */
thedo 167:1657b442184c 3 /** @{*/
thedo 167:1657b442184c 4 /* mbed Microcontroller Library
thedo 167:1657b442184c 5 * Copyright (c) 2006-2013 ARM Limited
thedo 167:1657b442184c 6 *
thedo 167:1657b442184c 7 * Licensed under the Apache License, Version 2.0 (the "License");
thedo 167:1657b442184c 8 * you may not use this file except in compliance with the License.
thedo 167:1657b442184c 9 * You may obtain a copy of the License at
thedo 167:1657b442184c 10 *
thedo 167:1657b442184c 11 * http://www.apache.org/licenses/LICENSE-2.0
thedo 167:1657b442184c 12 *
thedo 167:1657b442184c 13 * Unless required by applicable law or agreed to in writing, software
thedo 167:1657b442184c 14 * distributed under the License is distributed on an "AS IS" BASIS,
thedo 167:1657b442184c 15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
thedo 167:1657b442184c 16 * See the License for the specific language governing permissions and
thedo 167:1657b442184c 17 * limitations under the License.
thedo 167:1657b442184c 18 */
thedo 167:1657b442184c 19 #ifndef MBED_SEMIHOST_H
thedo 167:1657b442184c 20 #define MBED_SEMIHOST_H
thedo 167:1657b442184c 21
thedo 167:1657b442184c 22 #include "device.h"
thedo 167:1657b442184c 23 #include "platform/mbed_toolchain.h"
thedo 167:1657b442184c 24
thedo 167:1657b442184c 25 #ifdef __cplusplus
thedo 167:1657b442184c 26 extern "C" {
thedo 167:1657b442184c 27 #endif
thedo 167:1657b442184c 28
thedo 167:1657b442184c 29 #if DEVICE_SEMIHOST
thedo 167:1657b442184c 30
thedo 167:1657b442184c 31 #ifndef __CC_ARM
thedo 167:1657b442184c 32
thedo 167:1657b442184c 33 #if defined(__ICCARM__)
thedo 167:1657b442184c 34 static inline int __semihost(int reason, const void *arg) {
thedo 167:1657b442184c 35 return __semihosting(reason, (void*)arg);
thedo 167:1657b442184c 36 }
thedo 167:1657b442184c 37 #else
thedo 167:1657b442184c 38
thedo 167:1657b442184c 39 #ifdef __thumb__
thedo 167:1657b442184c 40 # define AngelSWI 0xAB
thedo 167:1657b442184c 41 # define AngelSWIInsn "bkpt"
thedo 167:1657b442184c 42 # define AngelSWIAsm bkpt
thedo 167:1657b442184c 43 #else
thedo 167:1657b442184c 44 # define AngelSWI 0x123456
thedo 167:1657b442184c 45 # define AngelSWIInsn "swi"
thedo 167:1657b442184c 46 # define AngelSWIAsm swi
thedo 167:1657b442184c 47 #endif
thedo 167:1657b442184c 48
thedo 167:1657b442184c 49 static inline int __semihost(int reason, const void *arg) {
thedo 167:1657b442184c 50 int value;
thedo 167:1657b442184c 51
thedo 167:1657b442184c 52 asm volatile (
thedo 167:1657b442184c 53 "mov r0, %1" "\n\t"
thedo 167:1657b442184c 54 "mov r1, %2" "\n\t"
thedo 167:1657b442184c 55 AngelSWIInsn " %a3" "\n\t"
thedo 167:1657b442184c 56 "mov %0, r0"
thedo 167:1657b442184c 57 : "=r" (value) /* output operands */
thedo 167:1657b442184c 58 : "r" (reason), "r" (arg), "i" (AngelSWI) /* input operands */
thedo 167:1657b442184c 59 : "r0", "r1", "r2", "r3", "ip", "lr", "memory", "cc" /* list of clobbered registers */
thedo 167:1657b442184c 60 );
thedo 167:1657b442184c 61
thedo 167:1657b442184c 62 return value;
thedo 167:1657b442184c 63 }
thedo 167:1657b442184c 64 #endif
thedo 167:1657b442184c 65 #endif
thedo 167:1657b442184c 66
thedo 167:1657b442184c 67 #if DEVICE_LOCALFILESYSTEM
thedo 167:1657b442184c 68 FILEHANDLE semihost_open(const char* name, int openmode);
thedo 167:1657b442184c 69 int semihost_close (FILEHANDLE fh);
thedo 167:1657b442184c 70 int semihost_read (FILEHANDLE fh, unsigned char* buffer, unsigned int length, int mode);
thedo 167:1657b442184c 71 int semihost_write (FILEHANDLE fh, const unsigned char* buffer, unsigned int length, int mode);
thedo 167:1657b442184c 72 int semihost_ensure(FILEHANDLE fh);
thedo 167:1657b442184c 73 long semihost_flen (FILEHANDLE fh);
thedo 167:1657b442184c 74 int semihost_seek (FILEHANDLE fh, long position);
thedo 167:1657b442184c 75 int semihost_istty (FILEHANDLE fh);
thedo 167:1657b442184c 76
thedo 167:1657b442184c 77 int semihost_remove(const char *name);
thedo 167:1657b442184c 78 int semihost_rename(const char *old_name, const char *new_name);
thedo 167:1657b442184c 79 #endif
thedo 167:1657b442184c 80
thedo 167:1657b442184c 81 int semihost_uid(char *uid);
thedo 167:1657b442184c 82 int semihost_reset(void);
thedo 167:1657b442184c 83 int semihost_vbus(void);
thedo 167:1657b442184c 84 int semihost_powerdown(void);
thedo 167:1657b442184c 85 int semihost_exit(void);
thedo 167:1657b442184c 86
thedo 167:1657b442184c 87 int semihost_connected(void);
thedo 167:1657b442184c 88 int semihost_disabledebug(void);
thedo 167:1657b442184c 89
thedo 167:1657b442184c 90 #endif
thedo 167:1657b442184c 91
thedo 167:1657b442184c 92 #ifdef __cplusplus
thedo 167:1657b442184c 93 }
thedo 167:1657b442184c 94 #endif
thedo 167:1657b442184c 95
thedo 167:1657b442184c 96 #endif
thedo 167:1657b442184c 97
thedo 167:1657b442184c 98 /** @}*/
thedo 167:1657b442184c 99