Jhon Plantikow / DHT11

DHT11

semihost_api.h@0:c52df770855b, 2015-08-13 (annotated)

Committer:
jhon309
Date:
Thu Aug 13 00:21:57 2015 +0000
Revision:
0:c52df770855b
DHT11

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jhon309 0:c52df770855b 1 /* mbed Microcontroller Library
jhon309 0:c52df770855b 2 * Copyright (c) 2006-2013 ARM Limited
jhon309 0:c52df770855b 3 *
jhon309 0:c52df770855b 4 * Licensed under the Apache License, Version 2.0 (the "License");
jhon309 0:c52df770855b 5 * you may not use this file except in compliance with the License.
jhon309 0:c52df770855b 6 * You may obtain a copy of the License at
jhon309 0:c52df770855b 7 *
jhon309 0:c52df770855b 8 * http://www.apache.org/licenses/LICENSE-2.0
jhon309 0:c52df770855b 9 *
jhon309 0:c52df770855b 10 * Unless required by applicable law or agreed to in writing, software
jhon309 0:c52df770855b 11 * distributed under the License is distributed on an "AS IS" BASIS,
jhon309 0:c52df770855b 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
jhon309 0:c52df770855b 13 * See the License for the specific language governing permissions and
jhon309 0:c52df770855b 14 * limitations under the License.
jhon309 0:c52df770855b 15 */
jhon309 0:c52df770855b 16 #ifndef MBED_SEMIHOST_H
jhon309 0:c52df770855b 17 #define MBED_SEMIHOST_H
jhon309 0:c52df770855b 18
jhon309 0:c52df770855b 19 #include "device.h"
jhon309 0:c52df770855b 20 #include "toolchain.h"
jhon309 0:c52df770855b 21
jhon309 0:c52df770855b 22 #ifdef __cplusplus
jhon309 0:c52df770855b 23 extern "C" {
jhon309 0:c52df770855b 24 #endif
jhon309 0:c52df770855b 25
jhon309 0:c52df770855b 26 #if DEVICE_SEMIHOST
jhon309 0:c52df770855b 27
jhon309 0:c52df770855b 28 #ifndef __CC_ARM
jhon309 0:c52df770855b 29
jhon309 0:c52df770855b 30 #if defined(__ICCARM__)
jhon309 0:c52df770855b 31 inline int __semihost(int reason, const void *arg) {
jhon309 0:c52df770855b 32 return __semihosting(reason, (void*)arg);
jhon309 0:c52df770855b 33 }
jhon309 0:c52df770855b 34 #else
jhon309 0:c52df770855b 35
jhon309 0:c52df770855b 36 #ifdef __thumb__
jhon309 0:c52df770855b 37 # define AngelSWI 0xAB
jhon309 0:c52df770855b 38 # define AngelSWIInsn "bkpt"
jhon309 0:c52df770855b 39 # define AngelSWIAsm bkpt
jhon309 0:c52df770855b 40 #else
jhon309 0:c52df770855b 41 # define AngelSWI 0x123456
jhon309 0:c52df770855b 42 # define AngelSWIInsn "swi"
jhon309 0:c52df770855b 43 # define AngelSWIAsm swi
jhon309 0:c52df770855b 44 #endif
jhon309 0:c52df770855b 45
jhon309 0:c52df770855b 46 static inline int __semihost(int reason, const void *arg) {
jhon309 0:c52df770855b 47 int value;
jhon309 0:c52df770855b 48
jhon309 0:c52df770855b 49 asm volatile (
jhon309 0:c52df770855b 50 "mov r0, %1" "\n\t"
jhon309 0:c52df770855b 51 "mov r1, %2" "\n\t"
jhon309 0:c52df770855b 52 AngelSWIInsn " %a3" "\n\t"
jhon309 0:c52df770855b 53 "mov %0, r0"
jhon309 0:c52df770855b 54 : "=r" (value) /* output operands */
jhon309 0:c52df770855b 55 : "r" (reason), "r" (arg), "i" (AngelSWI) /* input operands */
jhon309 0:c52df770855b 56 : "r0", "r1", "r2", "r3", "ip", "lr", "memory", "cc" /* list of clobbered registers */
jhon309 0:c52df770855b 57 );
jhon309 0:c52df770855b 58
jhon309 0:c52df770855b 59 return value;
jhon309 0:c52df770855b 60 }
jhon309 0:c52df770855b 61 #endif
jhon309 0:c52df770855b 62 #endif
jhon309 0:c52df770855b 63
jhon309 0:c52df770855b 64 #if DEVICE_LOCALFILESYSTEM
jhon309 0:c52df770855b 65 FILEHANDLE semihost_open(const char* name, int openmode);
jhon309 0:c52df770855b 66 int semihost_close (FILEHANDLE fh);
jhon309 0:c52df770855b 67 int semihost_read (FILEHANDLE fh, unsigned char* buffer, unsigned int length, int mode);
jhon309 0:c52df770855b 68 int semihost_write (FILEHANDLE fh, const unsigned char* buffer, unsigned int length, int mode);
jhon309 0:c52df770855b 69 int semihost_ensure(FILEHANDLE fh);
jhon309 0:c52df770855b 70 long semihost_flen (FILEHANDLE fh);
jhon309 0:c52df770855b 71 int semihost_seek (FILEHANDLE fh, long position);
jhon309 0:c52df770855b 72 int semihost_istty (FILEHANDLE fh);
jhon309 0:c52df770855b 73
jhon309 0:c52df770855b 74 int semihost_remove(const char *name);
jhon309 0:c52df770855b 75 int semihost_rename(const char *old_name, const char *new_name);
jhon309 0:c52df770855b 76 #endif
jhon309 0:c52df770855b 77
jhon309 0:c52df770855b 78 int semihost_uid(char *uid);
jhon309 0:c52df770855b 79 int semihost_reset(void);
jhon309 0:c52df770855b 80 int semihost_vbus(void);
jhon309 0:c52df770855b 81 int semihost_powerdown(void);
jhon309 0:c52df770855b 82 int semihost_exit(void);
jhon309 0:c52df770855b 83
jhon309 0:c52df770855b 84 int semihost_connected(void);
jhon309 0:c52df770855b 85 int semihost_disabledebug(void);
jhon309 0:c52df770855b 86
jhon309 0:c52df770855b 87 #endif
jhon309 0:c52df770855b 88
jhon309 0:c52df770855b 89 #ifdef __cplusplus
jhon309 0:c52df770855b 90 }
jhon309 0:c52df770855b 91 #endif
jhon309 0:c52df770855b 92
jhon309 0:c52df770855b 93 #endif