Tushar Sachdeva / FRDM_K64F_LCD

A simple 128x32 graphical LCD program to quickstart with LCD on ARM mbed IoT Starter Kit. This requires mbed Applciation Shield with FRDM-K64F platform.

Dependencies:   C12832

mbed/semihost_api.h@1:eb68c94a8ee5, 2015-04-12 (annotated)

Committer:
tushki7
Date:
Sun Apr 12 15:45:52 2015 +0000
Revision:
1:eb68c94a8ee5
Parent:
0:60d829a0353a 
A simple 128x32 LCD program with ARM mbed IoT Starter Kit;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
tushki7 0:60d829a0353a 1 /* mbed Microcontroller Library
tushki7 0:60d829a0353a 2 * Copyright (c) 2006-2013 ARM Limited
tushki7 0:60d829a0353a 3 *
tushki7 0:60d829a0353a 4 * Licensed under the Apache License, Version 2.0 (the "License");
tushki7 0:60d829a0353a 5 * you may not use this file except in compliance with the License.
tushki7 0:60d829a0353a 6 * You may obtain a copy of the License at
tushki7 0:60d829a0353a 7 *
tushki7 0:60d829a0353a 8 * http://www.apache.org/licenses/LICENSE-2.0
tushki7 0:60d829a0353a 9 *
tushki7 0:60d829a0353a 10 * Unless required by applicable law or agreed to in writing, software
tushki7 0:60d829a0353a 11 * distributed under the License is distributed on an "AS IS" BASIS,
tushki7 0:60d829a0353a 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
tushki7 0:60d829a0353a 13 * See the License for the specific language governing permissions and
tushki7 0:60d829a0353a 14 * limitations under the License.
tushki7 0:60d829a0353a 15 */
tushki7 0:60d829a0353a 16 #ifndef MBED_SEMIHOST_H
tushki7 0:60d829a0353a 17 #define MBED_SEMIHOST_H
tushki7 0:60d829a0353a 18
tushki7 0:60d829a0353a 19 #include "device.h"
tushki7 0:60d829a0353a 20 #include "toolchain.h"
tushki7 0:60d829a0353a 21
tushki7 0:60d829a0353a 22 #ifdef __cplusplus
tushki7 0:60d829a0353a 23 extern "C" {
tushki7 0:60d829a0353a 24 #endif
tushki7 0:60d829a0353a 25
tushki7 0:60d829a0353a 26 #if DEVICE_SEMIHOST
tushki7 0:60d829a0353a 27
tushki7 0:60d829a0353a 28 #ifndef __CC_ARM
tushki7 0:60d829a0353a 29
tushki7 0:60d829a0353a 30 #if defined(__ICCARM__)
tushki7 0:60d829a0353a 31 inline int __semihost(int reason, const void *arg) {
tushki7 0:60d829a0353a 32 return __semihosting(reason, (void*)arg);
tushki7 0:60d829a0353a 33 }
tushki7 0:60d829a0353a 34 #else
tushki7 0:60d829a0353a 35
tushki7 0:60d829a0353a 36 #ifdef __thumb__
tushki7 0:60d829a0353a 37 # define AngelSWI 0xAB
tushki7 0:60d829a0353a 38 # define AngelSWIInsn "bkpt"
tushki7 0:60d829a0353a 39 # define AngelSWIAsm bkpt
tushki7 0:60d829a0353a 40 #else
tushki7 0:60d829a0353a 41 # define AngelSWI 0x123456
tushki7 0:60d829a0353a 42 # define AngelSWIInsn "swi"
tushki7 0:60d829a0353a 43 # define AngelSWIAsm swi
tushki7 0:60d829a0353a 44 #endif
tushki7 0:60d829a0353a 45
tushki7 0:60d829a0353a 46 static inline int __semihost(int reason, const void *arg) {
tushki7 0:60d829a0353a 47 int value;
tushki7 0:60d829a0353a 48
tushki7 0:60d829a0353a 49 asm volatile (
tushki7 0:60d829a0353a 50 "mov r0, %1" "\n\t"
tushki7 0:60d829a0353a 51 "mov r1, %2" "\n\t"
tushki7 0:60d829a0353a 52 AngelSWIInsn " %a3" "\n\t"
tushki7 0:60d829a0353a 53 "mov %0, r0"
tushki7 0:60d829a0353a 54 : "=r" (value) /* output operands */
tushki7 0:60d829a0353a 55 : "r" (reason), "r" (arg), "i" (AngelSWI) /* input operands */
tushki7 0:60d829a0353a 56 : "r0", "r1", "r2", "r3", "ip", "lr", "memory", "cc" /* list of clobbered registers */
tushki7 0:60d829a0353a 57 );
tushki7 0:60d829a0353a 58
tushki7 0:60d829a0353a 59 return value;
tushki7 0:60d829a0353a 60 }
tushki7 0:60d829a0353a 61 #endif
tushki7 0:60d829a0353a 62 #endif
tushki7 0:60d829a0353a 63
tushki7 0:60d829a0353a 64 #if DEVICE_LOCALFILESYSTEM
tushki7 0:60d829a0353a 65 FILEHANDLE semihost_open(const char* name, int openmode);
tushki7 0:60d829a0353a 66 int semihost_close (FILEHANDLE fh);
tushki7 0:60d829a0353a 67 int semihost_read (FILEHANDLE fh, unsigned char* buffer, unsigned int length, int mode);
tushki7 0:60d829a0353a 68 int semihost_write (FILEHANDLE fh, const unsigned char* buffer, unsigned int length, int mode);
tushki7 0:60d829a0353a 69 int semihost_ensure(FILEHANDLE fh);
tushki7 0:60d829a0353a 70 long semihost_flen (FILEHANDLE fh);
tushki7 0:60d829a0353a 71 int semihost_seek (FILEHANDLE fh, long position);
tushki7 0:60d829a0353a 72 int semihost_istty (FILEHANDLE fh);
tushki7 0:60d829a0353a 73
tushki7 0:60d829a0353a 74 int semihost_remove(const char *name);
tushki7 0:60d829a0353a 75 int semihost_rename(const char *old_name, const char *new_name);
tushki7 0:60d829a0353a 76 #endif
tushki7 0:60d829a0353a 77
tushki7 0:60d829a0353a 78 int semihost_uid(char *uid);
tushki7 0:60d829a0353a 79 int semihost_reset(void);
tushki7 0:60d829a0353a 80 int semihost_vbus(void);
tushki7 0:60d829a0353a 81 int semihost_powerdown(void);
tushki7 0:60d829a0353a 82 int semihost_exit(void);
tushki7 0:60d829a0353a 83
tushki7 0:60d829a0353a 84 int semihost_connected(void);
tushki7 0:60d829a0353a 85 int semihost_disabledebug(void);
tushki7 0:60d829a0353a 86
tushki7 0:60d829a0353a 87 #endif
tushki7 0:60d829a0353a 88
tushki7 0:60d829a0353a 89 #ifdef __cplusplus
tushki7 0:60d829a0353a 90 }
tushki7 0:60d829a0353a 91 #endif
tushki7 0:60d829a0353a 92
tushki7 0:60d829a0353a 93 #endif