Tux Leon / mbed-dev

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

Fork of mbed-dev by mbed official

targets/TARGET_NUVOTON/nu_bitutil.h@174:b96e65c34a4d, 2017-10-02 (annotated)

Committer:
AnnaBridge
Date:
Mon Oct 02 15:33:19 2017 +0100
Revision:
174:b96e65c34a4d
Parent:
149:156823d33999 
This updates the lib to the mbed lib v 152

Who changed what in which revision?

UserRevisionLine numberNew contents of line
<> 144:ef7eb2e8f9f7 1 /* mbed Microcontroller Library
<> 144:ef7eb2e8f9f7 2 * Copyright (c) 2015-2016 Nuvoton
<> 144:ef7eb2e8f9f7 3 *
<> 144:ef7eb2e8f9f7 4 * Licensed under the Apache License, Version 2.0 (the "License");
<> 144:ef7eb2e8f9f7 5 * you may not use this file except in compliance with the License.
<> 144:ef7eb2e8f9f7 6 * You may obtain a copy of the License at
<> 144:ef7eb2e8f9f7 7 *
<> 144:ef7eb2e8f9f7 8 * http://www.apache.org/licenses/LICENSE-2.0
<> 144:ef7eb2e8f9f7 9 *
<> 144:ef7eb2e8f9f7 10 * Unless required by applicable law or agreed to in writing, software
<> 144:ef7eb2e8f9f7 11 * distributed under the License is distributed on an "AS IS" BASIS,
<> 144:ef7eb2e8f9f7 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
<> 144:ef7eb2e8f9f7 13 * See the License for the specific language governing permissions and
<> 144:ef7eb2e8f9f7 14 * limitations under the License.
<> 144:ef7eb2e8f9f7 15 */
<> 144:ef7eb2e8f9f7 16
<> 144:ef7eb2e8f9f7 17 #ifndef NU_BIT_UTIL_H
<> 144:ef7eb2e8f9f7 18 #define NU_BIT_UTIL_H
<> 144:ef7eb2e8f9f7 19
AnnaBridge 174:b96e65c34a4d 20 #if defined(__ICCARM__) && defined(TARGET_M0)
AnnaBridge 174:b96e65c34a4d 21 #include <arm_math.h>
AnnaBridge 174:b96e65c34a4d 22 #endif
<> 144:ef7eb2e8f9f7 23 #include "cmsis.h"
<> 144:ef7eb2e8f9f7 24
<> 144:ef7eb2e8f9f7 25 #ifdef __cplusplus
<> 144:ef7eb2e8f9f7 26 extern "C" {
<> 144:ef7eb2e8f9f7 27 #endif
<> 144:ef7eb2e8f9f7 28
<> 144:ef7eb2e8f9f7 29 __STATIC_INLINE int nu_clz(uint32_t x)
<> 144:ef7eb2e8f9f7 30 {
<> 144:ef7eb2e8f9f7 31 return __CLZ(x);
<> 144:ef7eb2e8f9f7 32 }
<> 144:ef7eb2e8f9f7 33
<> 144:ef7eb2e8f9f7 34 __STATIC_INLINE int nu_clo(uint32_t x)
<> 144:ef7eb2e8f9f7 35 {
<> 144:ef7eb2e8f9f7 36 return nu_clz(~x);
<> 144:ef7eb2e8f9f7 37 }
<> 144:ef7eb2e8f9f7 38
<> 144:ef7eb2e8f9f7 39 __STATIC_INLINE int nu_ctz(uint32_t x)
<> 144:ef7eb2e8f9f7 40 {
<> 144:ef7eb2e8f9f7 41 int c = __CLZ(x & -x);
<> 144:ef7eb2e8f9f7 42 return x ? 31 - c : c;
<> 144:ef7eb2e8f9f7 43 }
<> 144:ef7eb2e8f9f7 44
<> 144:ef7eb2e8f9f7 45 __STATIC_INLINE int nu_cto(uint32_t x)
<> 144:ef7eb2e8f9f7 46 {
<> 144:ef7eb2e8f9f7 47 return nu_ctz(~x);
<> 144:ef7eb2e8f9f7 48 }
<> 144:ef7eb2e8f9f7 49
<> 144:ef7eb2e8f9f7 50
<> 144:ef7eb2e8f9f7 51 __STATIC_INLINE uint16_t nu_get16_le(const uint8_t *pos)
<> 144:ef7eb2e8f9f7 52 {
<> 144:ef7eb2e8f9f7 53 uint16_t val;
<> 144:ef7eb2e8f9f7 54
<> 144:ef7eb2e8f9f7 55 val = *pos ++;
<> 144:ef7eb2e8f9f7 56 val += (*pos << 8);
<> 144:ef7eb2e8f9f7 57
<> 144:ef7eb2e8f9f7 58 return val;
<> 144:ef7eb2e8f9f7 59 }
<> 144:ef7eb2e8f9f7 60
<> 144:ef7eb2e8f9f7 61 __STATIC_INLINE void nu_set16_le(uint8_t *pos, uint16_t val)
<> 144:ef7eb2e8f9f7 62 {
<> 144:ef7eb2e8f9f7 63 *pos ++ = val & 0xFF;
<> 144:ef7eb2e8f9f7 64 *pos = val >> 8;
<> 144:ef7eb2e8f9f7 65 }
<> 144:ef7eb2e8f9f7 66
<> 144:ef7eb2e8f9f7 67 __STATIC_INLINE uint32_t nu_get32_le(const uint8_t *pos)
<> 144:ef7eb2e8f9f7 68 {
<> 144:ef7eb2e8f9f7 69 uint32_t val;
<> 144:ef7eb2e8f9f7 70
<> 144:ef7eb2e8f9f7 71 val = *pos ++;
<> 144:ef7eb2e8f9f7 72 val += (*pos ++ << 8);
<> 144:ef7eb2e8f9f7 73 val += (*pos ++ << 16);
<> 144:ef7eb2e8f9f7 74 val += (*pos ++ << 24);
<> 144:ef7eb2e8f9f7 75
<> 144:ef7eb2e8f9f7 76 return val;
<> 144:ef7eb2e8f9f7 77 }
<> 144:ef7eb2e8f9f7 78
<> 144:ef7eb2e8f9f7 79 __STATIC_INLINE void nu_set32_le(uint8_t *pos, uint32_t val)
<> 144:ef7eb2e8f9f7 80 {
<> 144:ef7eb2e8f9f7 81 *pos ++ = val & 0xFF;
<> 144:ef7eb2e8f9f7 82 *pos ++ = (val >> 8) & 0xFF;
<> 144:ef7eb2e8f9f7 83 *pos ++ = (val >> 16) & 0xFF;
<> 144:ef7eb2e8f9f7 84 *pos = (val >> 24) & 0xFF;
<> 144:ef7eb2e8f9f7 85 }
<> 144:ef7eb2e8f9f7 86
<> 144:ef7eb2e8f9f7 87 __STATIC_INLINE uint16_t nu_get16_be(const uint8_t *pos)
<> 144:ef7eb2e8f9f7 88 {
<> 144:ef7eb2e8f9f7 89 uint16_t val;
<> 144:ef7eb2e8f9f7 90
<> 144:ef7eb2e8f9f7 91 val = *pos ++;
<> 144:ef7eb2e8f9f7 92 val <<= 8;
<> 144:ef7eb2e8f9f7 93 val += *pos;
<> 144:ef7eb2e8f9f7 94
<> 144:ef7eb2e8f9f7 95 return val;
<> 144:ef7eb2e8f9f7 96 }
<> 144:ef7eb2e8f9f7 97
<> 144:ef7eb2e8f9f7 98 __STATIC_INLINE void nu_set16_be(uint8_t *pos, uint16_t val)
<> 144:ef7eb2e8f9f7 99 {
<> 144:ef7eb2e8f9f7 100 *pos ++ = val >> 8;
<> 144:ef7eb2e8f9f7 101 *pos = (val & 0xFF);
<> 144:ef7eb2e8f9f7 102 }
<> 144:ef7eb2e8f9f7 103
<> 144:ef7eb2e8f9f7 104 __STATIC_INLINE uint32_t nu_get32_be(const uint8_t *pos)
<> 144:ef7eb2e8f9f7 105 {
<> 144:ef7eb2e8f9f7 106 uint32_t val;
<> 144:ef7eb2e8f9f7 107
<> 144:ef7eb2e8f9f7 108 val = *pos ++;
<> 144:ef7eb2e8f9f7 109 val <<= 8;
<> 144:ef7eb2e8f9f7 110 val += *pos ++;
<> 144:ef7eb2e8f9f7 111 val <<= 8;
<> 144:ef7eb2e8f9f7 112 val += *pos ++;
<> 144:ef7eb2e8f9f7 113 val <<= 8;
<> 144:ef7eb2e8f9f7 114 val += *pos;
<> 144:ef7eb2e8f9f7 115
<> 144:ef7eb2e8f9f7 116 return val;
<> 144:ef7eb2e8f9f7 117 }
<> 144:ef7eb2e8f9f7 118
<> 144:ef7eb2e8f9f7 119 __STATIC_INLINE void nu_set32_be(uint8_t *pos, uint32_t val)
<> 144:ef7eb2e8f9f7 120 {
<> 144:ef7eb2e8f9f7 121 *pos ++ = val >> 24;
<> 144:ef7eb2e8f9f7 122 *pos ++ = val >> 16;
<> 144:ef7eb2e8f9f7 123 *pos ++ = val >> 8;
<> 144:ef7eb2e8f9f7 124 *pos ++ = (val & 0xFF);
<> 144:ef7eb2e8f9f7 125 }
<> 144:ef7eb2e8f9f7 126
<> 144:ef7eb2e8f9f7 127 #ifdef __cplusplus
<> 144:ef7eb2e8f9f7 128 }
<> 144:ef7eb2e8f9f7 129 #endif
<> 144:ef7eb2e8f9f7 130
<> 144:ef7eb2e8f9f7 131 #endif