Mike Pulice / ublox_C200Test

Integrating the ublox LISA C200 modem

Fork of SprintUSBModemHTTPClientTest by Donatien Garnier

mbed-src/common/semihost_api.c@5:3f93dd1d4cb3, 2013-09-26 (annotated)

Committer:
sam_grove
Date:
Thu Sep 26 00:44:20 2013 -0500
Revision:
5:3f93dd1d4cb3
Exported program and replaced contents of the repo with the source

to build and debug using keil mdk. Libs NOT upto date are lwip, lwip-sys

and socket. these have newer versions under mbed_official but were starting

from a know working point

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sam_grove 5:3f93dd1d4cb3 1 /* mbed Microcontroller Library
sam_grove 5:3f93dd1d4cb3 2 * Copyright (c) 2006-2013 ARM Limited
sam_grove 5:3f93dd1d4cb3 3 *
sam_grove 5:3f93dd1d4cb3 4 * Licensed under the Apache License, Version 2.0 (the "License");
sam_grove 5:3f93dd1d4cb3 5 * you may not use this file except in compliance with the License.
sam_grove 5:3f93dd1d4cb3 6 * You may obtain a copy of the License at
sam_grove 5:3f93dd1d4cb3 7 *
sam_grove 5:3f93dd1d4cb3 8 * http://www.apache.org/licenses/LICENSE-2.0
sam_grove 5:3f93dd1d4cb3 9 *
sam_grove 5:3f93dd1d4cb3 10 * Unless required by applicable law or agreed to in writing, software
sam_grove 5:3f93dd1d4cb3 11 * distributed under the License is distributed on an "AS IS" BASIS,
sam_grove 5:3f93dd1d4cb3 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
sam_grove 5:3f93dd1d4cb3 13 * See the License for the specific language governing permissions and
sam_grove 5:3f93dd1d4cb3 14 * limitations under the License.
sam_grove 5:3f93dd1d4cb3 15 */
sam_grove 5:3f93dd1d4cb3 16 #include "cmsis.h"
sam_grove 5:3f93dd1d4cb3 17 #include "semihost_api.h"
sam_grove 5:3f93dd1d4cb3 18
sam_grove 5:3f93dd1d4cb3 19 #include <stdint.h>
sam_grove 5:3f93dd1d4cb3 20 #include <string.h>
sam_grove 5:3f93dd1d4cb3 21
sam_grove 5:3f93dd1d4cb3 22 #if DEVICE_SEMIHOST
sam_grove 5:3f93dd1d4cb3 23
sam_grove 5:3f93dd1d4cb3 24 // ARM Semihosting Commands
sam_grove 5:3f93dd1d4cb3 25 #define SYS_OPEN (0x1)
sam_grove 5:3f93dd1d4cb3 26 #define SYS_CLOSE (0x2)
sam_grove 5:3f93dd1d4cb3 27 #define SYS_WRITE (0x5)
sam_grove 5:3f93dd1d4cb3 28 #define SYS_READ (0x6)
sam_grove 5:3f93dd1d4cb3 29 #define SYS_ISTTY (0x9)
sam_grove 5:3f93dd1d4cb3 30 #define SYS_SEEK (0xa)
sam_grove 5:3f93dd1d4cb3 31 #define SYS_ENSURE (0xb)
sam_grove 5:3f93dd1d4cb3 32 #define SYS_FLEN (0xc)
sam_grove 5:3f93dd1d4cb3 33 #define SYS_REMOVE (0xe)
sam_grove 5:3f93dd1d4cb3 34 #define SYS_RENAME (0xf)
sam_grove 5:3f93dd1d4cb3 35 #define SYS_EXIT (0x18)
sam_grove 5:3f93dd1d4cb3 36
sam_grove 5:3f93dd1d4cb3 37 // mbed Semihosting Commands
sam_grove 5:3f93dd1d4cb3 38 #define RESERVED_FOR_USER_APPLICATIONS (0x100) // 0x100 - 0x1ff
sam_grove 5:3f93dd1d4cb3 39 #define USR_XFFIND (RESERVED_FOR_USER_APPLICATIONS + 0)
sam_grove 5:3f93dd1d4cb3 40 #define USR_UID (RESERVED_FOR_USER_APPLICATIONS + 1)
sam_grove 5:3f93dd1d4cb3 41 #define USR_RESET (RESERVED_FOR_USER_APPLICATIONS + 2)
sam_grove 5:3f93dd1d4cb3 42 #define USR_VBUS (RESERVED_FOR_USER_APPLICATIONS + 3)
sam_grove 5:3f93dd1d4cb3 43 #define USR_POWERDOWN (RESERVED_FOR_USER_APPLICATIONS + 4)
sam_grove 5:3f93dd1d4cb3 44 #define USR_DISABLEDEBUG (RESERVED_FOR_USER_APPLICATIONS + 5)
sam_grove 5:3f93dd1d4cb3 45
sam_grove 5:3f93dd1d4cb3 46 #if DEVICE_LOCALFILESYSTEM
sam_grove 5:3f93dd1d4cb3 47 FILEHANDLE semihost_open(const char* name, int openmode) {
sam_grove 5:3f93dd1d4cb3 48 uint32_t args[3];
sam_grove 5:3f93dd1d4cb3 49 args[0] = (uint32_t)name;
sam_grove 5:3f93dd1d4cb3 50 args[1] = (uint32_t)openmode;
sam_grove 5:3f93dd1d4cb3 51 args[2] = (uint32_t)strlen(name);
sam_grove 5:3f93dd1d4cb3 52 return __semihost(SYS_OPEN, args);
sam_grove 5:3f93dd1d4cb3 53 }
sam_grove 5:3f93dd1d4cb3 54
sam_grove 5:3f93dd1d4cb3 55 int semihost_close(FILEHANDLE fh) {
sam_grove 5:3f93dd1d4cb3 56 return __semihost(SYS_CLOSE, &fh);
sam_grove 5:3f93dd1d4cb3 57 }
sam_grove 5:3f93dd1d4cb3 58
sam_grove 5:3f93dd1d4cb3 59 int semihost_write(FILEHANDLE fh, const unsigned char* buffer, unsigned int length, int mode) {
sam_grove 5:3f93dd1d4cb3 60 if (length == 0) return 0;
sam_grove 5:3f93dd1d4cb3 61
sam_grove 5:3f93dd1d4cb3 62 uint32_t args[3];
sam_grove 5:3f93dd1d4cb3 63 args[0] = (uint32_t)fh;
sam_grove 5:3f93dd1d4cb3 64 args[1] = (uint32_t)buffer;
sam_grove 5:3f93dd1d4cb3 65 args[2] = (uint32_t)length;
sam_grove 5:3f93dd1d4cb3 66 return __semihost(SYS_WRITE, args);
sam_grove 5:3f93dd1d4cb3 67 }
sam_grove 5:3f93dd1d4cb3 68
sam_grove 5:3f93dd1d4cb3 69 int semihost_read(FILEHANDLE fh, unsigned char* buffer, unsigned int length, int mode) {
sam_grove 5:3f93dd1d4cb3 70 uint32_t args[3];
sam_grove 5:3f93dd1d4cb3 71 args[0] = (uint32_t)fh;
sam_grove 5:3f93dd1d4cb3 72 args[1] = (uint32_t)buffer;
sam_grove 5:3f93dd1d4cb3 73 args[2] = (uint32_t)length;
sam_grove 5:3f93dd1d4cb3 74 return __semihost(SYS_READ, args);
sam_grove 5:3f93dd1d4cb3 75 }
sam_grove 5:3f93dd1d4cb3 76
sam_grove 5:3f93dd1d4cb3 77 int semihost_istty(FILEHANDLE fh) {
sam_grove 5:3f93dd1d4cb3 78 return __semihost(SYS_ISTTY, &fh);
sam_grove 5:3f93dd1d4cb3 79 }
sam_grove 5:3f93dd1d4cb3 80
sam_grove 5:3f93dd1d4cb3 81 int semihost_seek(FILEHANDLE fh, long position) {
sam_grove 5:3f93dd1d4cb3 82 uint32_t args[2];
sam_grove 5:3f93dd1d4cb3 83 args[0] = (uint32_t)fh;
sam_grove 5:3f93dd1d4cb3 84 args[1] = (uint32_t)position;
sam_grove 5:3f93dd1d4cb3 85 return __semihost(SYS_SEEK, args);
sam_grove 5:3f93dd1d4cb3 86 }
sam_grove 5:3f93dd1d4cb3 87
sam_grove 5:3f93dd1d4cb3 88 int semihost_ensure(FILEHANDLE fh) {
sam_grove 5:3f93dd1d4cb3 89 return __semihost(SYS_ENSURE, &fh);
sam_grove 5:3f93dd1d4cb3 90 }
sam_grove 5:3f93dd1d4cb3 91
sam_grove 5:3f93dd1d4cb3 92 long semihost_flen(FILEHANDLE fh) {
sam_grove 5:3f93dd1d4cb3 93 return __semihost(SYS_FLEN, &fh);
sam_grove 5:3f93dd1d4cb3 94 }
sam_grove 5:3f93dd1d4cb3 95
sam_grove 5:3f93dd1d4cb3 96 int semihost_remove(const char *name) {
sam_grove 5:3f93dd1d4cb3 97 uint32_t args[2];
sam_grove 5:3f93dd1d4cb3 98 args[0] = (uint32_t)name;
sam_grove 5:3f93dd1d4cb3 99 args[1] = (uint32_t)strlen(name);
sam_grove 5:3f93dd1d4cb3 100 return __semihost(SYS_REMOVE, args);
sam_grove 5:3f93dd1d4cb3 101 }
sam_grove 5:3f93dd1d4cb3 102
sam_grove 5:3f93dd1d4cb3 103 int semihost_rename(const char *old_name, const char *new_name) {
sam_grove 5:3f93dd1d4cb3 104 uint32_t args[4];
sam_grove 5:3f93dd1d4cb3 105 args[0] = (uint32_t)old_name;
sam_grove 5:3f93dd1d4cb3 106 args[1] = (uint32_t)strlen(old_name);
sam_grove 5:3f93dd1d4cb3 107 args[0] = (uint32_t)new_name;
sam_grove 5:3f93dd1d4cb3 108 args[1] = (uint32_t)strlen(new_name);
sam_grove 5:3f93dd1d4cb3 109 return __semihost(SYS_RENAME, args);
sam_grove 5:3f93dd1d4cb3 110 }
sam_grove 5:3f93dd1d4cb3 111 #endif
sam_grove 5:3f93dd1d4cb3 112
sam_grove 5:3f93dd1d4cb3 113 int semihost_exit(void) {
sam_grove 5:3f93dd1d4cb3 114 uint32_t args[4];
sam_grove 5:3f93dd1d4cb3 115 return __semihost(SYS_EXIT, args);
sam_grove 5:3f93dd1d4cb3 116 }
sam_grove 5:3f93dd1d4cb3 117
sam_grove 5:3f93dd1d4cb3 118 int semihost_uid(char *uid) {
sam_grove 5:3f93dd1d4cb3 119 uint32_t args[2];
sam_grove 5:3f93dd1d4cb3 120 args[0] = (uint32_t)uid;
sam_grove 5:3f93dd1d4cb3 121 args[1] = DEVICE_ID_LENGTH + 1;
sam_grove 5:3f93dd1d4cb3 122 return __semihost(USR_UID, &args);
sam_grove 5:3f93dd1d4cb3 123 }
sam_grove 5:3f93dd1d4cb3 124
sam_grove 5:3f93dd1d4cb3 125 int semihost_reset(void) {
sam_grove 5:3f93dd1d4cb3 126 // Does not normally return, however if used with older firmware versions
sam_grove 5:3f93dd1d4cb3 127 // that do not support this call it will return -1.
sam_grove 5:3f93dd1d4cb3 128 return __semihost(USR_RESET, NULL);
sam_grove 5:3f93dd1d4cb3 129 }
sam_grove 5:3f93dd1d4cb3 130
sam_grove 5:3f93dd1d4cb3 131 int semihost_vbus(void) {
sam_grove 5:3f93dd1d4cb3 132 return __semihost(USR_VBUS, NULL);
sam_grove 5:3f93dd1d4cb3 133 }
sam_grove 5:3f93dd1d4cb3 134
sam_grove 5:3f93dd1d4cb3 135 int semihost_powerdown(void) {
sam_grove 5:3f93dd1d4cb3 136 return __semihost(USR_POWERDOWN, NULL);
sam_grove 5:3f93dd1d4cb3 137 }
sam_grove 5:3f93dd1d4cb3 138
sam_grove 5:3f93dd1d4cb3 139 #if DEVICE_DEBUG_AWARENESS
sam_grove 5:3f93dd1d4cb3 140
sam_grove 5:3f93dd1d4cb3 141 int semihost_connected(void) {
sam_grove 5:3f93dd1d4cb3 142 return (CoreDebug->DHCSR & CoreDebug_DHCSR_C_DEBUGEN_Msk) ? 1 : 0;
sam_grove 5:3f93dd1d4cb3 143 }
sam_grove 5:3f93dd1d4cb3 144
sam_grove 5:3f93dd1d4cb3 145 #else
sam_grove 5:3f93dd1d4cb3 146 // These processors cannot know if the interface is connect, assume so:
sam_grove 5:3f93dd1d4cb3 147 static int is_debugger_attached = 1;
sam_grove 5:3f93dd1d4cb3 148
sam_grove 5:3f93dd1d4cb3 149 int semihost_connected(void) {
sam_grove 5:3f93dd1d4cb3 150 return is_debugger_attached;
sam_grove 5:3f93dd1d4cb3 151 }
sam_grove 5:3f93dd1d4cb3 152 #endif
sam_grove 5:3f93dd1d4cb3 153
sam_grove 5:3f93dd1d4cb3 154 int semihost_disabledebug(void) {
sam_grove 5:3f93dd1d4cb3 155 #if !(DEVICE_DEBUG_AWARENESS)
sam_grove 5:3f93dd1d4cb3 156 is_debugger_attached = 0;
sam_grove 5:3f93dd1d4cb3 157 #endif
sam_grove 5:3f93dd1d4cb3 158 return __semihost(USR_DISABLEDEBUG, NULL);
sam_grove 5:3f93dd1d4cb3 159 }
sam_grove 5:3f93dd1d4cb3 160
sam_grove 5:3f93dd1d4cb3 161 #endif
sam_grove 5:3f93dd1d4cb3 162