Jeremy Hammel / Mbed 2 deprecated ATT_Smart_Home

FRDM-K64F, Avnet M14A2A, Grove Shield, to create smart home system. In use with AT&Ts M2x & Flow.

Dependencies:   mbed FXOS8700CQ MODSERIAL

mbed/semihost_api.h@84:fc8c9b39723a, 2019-03-06 (annotated)

Committer:
jwhammel
Date:
Wed Mar 06 21:11:49 2019 +0000
Revision:
84:fc8c9b39723a
Embedded Systems Midterm Project Spring 2019

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jwhammel 84:fc8c9b39723a 1 /* mbed Microcontroller Library
jwhammel 84:fc8c9b39723a 2 * Copyright (c) 2006-2013 ARM Limited
jwhammel 84:fc8c9b39723a 3 *
jwhammel 84:fc8c9b39723a 4 * Licensed under the Apache License, Version 2.0 (the "License");
jwhammel 84:fc8c9b39723a 5 * you may not use this file except in compliance with the License.
jwhammel 84:fc8c9b39723a 6 * You may obtain a copy of the License at
jwhammel 84:fc8c9b39723a 7 *
jwhammel 84:fc8c9b39723a 8 * http://www.apache.org/licenses/LICENSE-2.0
jwhammel 84:fc8c9b39723a 9 *
jwhammel 84:fc8c9b39723a 10 * Unless required by applicable law or agreed to in writing, software
jwhammel 84:fc8c9b39723a 11 * distributed under the License is distributed on an "AS IS" BASIS,
jwhammel 84:fc8c9b39723a 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
jwhammel 84:fc8c9b39723a 13 * See the License for the specific language governing permissions and
jwhammel 84:fc8c9b39723a 14 * limitations under the License.
jwhammel 84:fc8c9b39723a 15 */
jwhammel 84:fc8c9b39723a 16 #ifndef MBED_SEMIHOST_H
jwhammel 84:fc8c9b39723a 17 #define MBED_SEMIHOST_H
jwhammel 84:fc8c9b39723a 18
jwhammel 84:fc8c9b39723a 19 #include "device.h"
jwhammel 84:fc8c9b39723a 20 #include "toolchain.h"
jwhammel 84:fc8c9b39723a 21
jwhammel 84:fc8c9b39723a 22 #ifdef __cplusplus
jwhammel 84:fc8c9b39723a 23 extern "C" {
jwhammel 84:fc8c9b39723a 24 #endif
jwhammel 84:fc8c9b39723a 25
jwhammel 84:fc8c9b39723a 26 #if DEVICE_SEMIHOST
jwhammel 84:fc8c9b39723a 27
jwhammel 84:fc8c9b39723a 28 #ifndef __CC_ARM
jwhammel 84:fc8c9b39723a 29
jwhammel 84:fc8c9b39723a 30 #if defined(__ICCARM__)
jwhammel 84:fc8c9b39723a 31 inline int __semihost(int reason, const void *arg) {
jwhammel 84:fc8c9b39723a 32 return __semihosting(reason, (void*)arg);
jwhammel 84:fc8c9b39723a 33 }
jwhammel 84:fc8c9b39723a 34 #else
jwhammel 84:fc8c9b39723a 35
jwhammel 84:fc8c9b39723a 36 #ifdef __thumb__
jwhammel 84:fc8c9b39723a 37 # define AngelSWI 0xAB
jwhammel 84:fc8c9b39723a 38 # define AngelSWIInsn "bkpt"
jwhammel 84:fc8c9b39723a 39 # define AngelSWIAsm bkpt
jwhammel 84:fc8c9b39723a 40 #else
jwhammel 84:fc8c9b39723a 41 # define AngelSWI 0x123456
jwhammel 84:fc8c9b39723a 42 # define AngelSWIInsn "swi"
jwhammel 84:fc8c9b39723a 43 # define AngelSWIAsm swi
jwhammel 84:fc8c9b39723a 44 #endif
jwhammel 84:fc8c9b39723a 45
jwhammel 84:fc8c9b39723a 46 static inline int __semihost(int reason, const void *arg) {
jwhammel 84:fc8c9b39723a 47 int value;
jwhammel 84:fc8c9b39723a 48
jwhammel 84:fc8c9b39723a 49 asm volatile (
jwhammel 84:fc8c9b39723a 50 "mov r0, %1" "\n\t"
jwhammel 84:fc8c9b39723a 51 "mov r1, %2" "\n\t"
jwhammel 84:fc8c9b39723a 52 AngelSWIInsn " %a3" "\n\t"
jwhammel 84:fc8c9b39723a 53 "mov %0, r0"
jwhammel 84:fc8c9b39723a 54 : "=r" (value) /* output operands */
jwhammel 84:fc8c9b39723a 55 : "r" (reason), "r" (arg), "i" (AngelSWI) /* input operands */
jwhammel 84:fc8c9b39723a 56 : "r0", "r1", "r2", "r3", "ip", "lr", "memory", "cc" /* list of clobbered registers */
jwhammel 84:fc8c9b39723a 57 );
jwhammel 84:fc8c9b39723a 58
jwhammel 84:fc8c9b39723a 59 return value;
jwhammel 84:fc8c9b39723a 60 }
jwhammel 84:fc8c9b39723a 61 #endif
jwhammel 84:fc8c9b39723a 62 #endif
jwhammel 84:fc8c9b39723a 63
jwhammel 84:fc8c9b39723a 64 #if DEVICE_LOCALFILESYSTEM
jwhammel 84:fc8c9b39723a 65 FILEHANDLE semihost_open(const char* name, int openmode);
jwhammel 84:fc8c9b39723a 66 int semihost_close (FILEHANDLE fh);
jwhammel 84:fc8c9b39723a 67 int semihost_read (FILEHANDLE fh, unsigned char* buffer, unsigned int length, int mode);
jwhammel 84:fc8c9b39723a 68 int semihost_write (FILEHANDLE fh, const unsigned char* buffer, unsigned int length, int mode);
jwhammel 84:fc8c9b39723a 69 int semihost_ensure(FILEHANDLE fh);
jwhammel 84:fc8c9b39723a 70 long semihost_flen (FILEHANDLE fh);
jwhammel 84:fc8c9b39723a 71 int semihost_seek (FILEHANDLE fh, long position);
jwhammel 84:fc8c9b39723a 72 int semihost_istty (FILEHANDLE fh);
jwhammel 84:fc8c9b39723a 73
jwhammel 84:fc8c9b39723a 74 int semihost_remove(const char *name);
jwhammel 84:fc8c9b39723a 75 int semihost_rename(const char *old_name, const char *new_name);
jwhammel 84:fc8c9b39723a 76 #endif
jwhammel 84:fc8c9b39723a 77
jwhammel 84:fc8c9b39723a 78 int semihost_uid(char *uid);
jwhammel 84:fc8c9b39723a 79 int semihost_reset(void);
jwhammel 84:fc8c9b39723a 80 int semihost_vbus(void);
jwhammel 84:fc8c9b39723a 81 int semihost_powerdown(void);
jwhammel 84:fc8c9b39723a 82 int semihost_exit(void);
jwhammel 84:fc8c9b39723a 83
jwhammel 84:fc8c9b39723a 84 int semihost_connected(void);
jwhammel 84:fc8c9b39723a 85 int semihost_disabledebug(void);
jwhammel 84:fc8c9b39723a 86
jwhammel 84:fc8c9b39723a 87 #endif
jwhammel 84:fc8c9b39723a 88
jwhammel 84:fc8c9b39723a 89 #ifdef __cplusplus
jwhammel 84:fc8c9b39723a 90 }
jwhammel 84:fc8c9b39723a 91 #endif
jwhammel 84:fc8c9b39723a 92
jwhammel 84:fc8c9b39723a 93 #endif
jwhammel 84:fc8c9b39723a 94