b luo / mbed-dev

mbed library sources. With a patch for the can_api

Fork of mbed-dev by mbed official

targets/TARGET_NUVOTON/nu_bitutil.h@149:156823d33999, 2016-10-28 (annotated)

Committer:
<>
Date:
Fri Oct 28 11:17:30 2016 +0100
Revision:
149:156823d33999
Parent:
targets/hal/TARGET_NUVOTON/nu_bitutil.h@144:ef7eb2e8f9f7 
This updates the lib to the mbed lib v128



NOTE: This release includes a restructuring of the file and directory locations and thus some

include paths in your code may need updating accordingly.

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
<> 144:ef7eb2e8f9f7 20 #include "cmsis.h"
<> 144:ef7eb2e8f9f7 21
<> 144:ef7eb2e8f9f7 22 #ifdef __cplusplus
<> 144:ef7eb2e8f9f7 23 extern "C" {
<> 144:ef7eb2e8f9f7 24 #endif
<> 144:ef7eb2e8f9f7 25
<> 144:ef7eb2e8f9f7 26 __STATIC_INLINE int nu_clz(uint32_t x)
<> 144:ef7eb2e8f9f7 27 {
<> 144:ef7eb2e8f9f7 28 return __CLZ(x);
<> 144:ef7eb2e8f9f7 29 }
<> 144:ef7eb2e8f9f7 30
<> 144:ef7eb2e8f9f7 31 __STATIC_INLINE int nu_clo(uint32_t x)
<> 144:ef7eb2e8f9f7 32 {
<> 144:ef7eb2e8f9f7 33 return nu_clz(~x);
<> 144:ef7eb2e8f9f7 34 }
<> 144:ef7eb2e8f9f7 35
<> 144:ef7eb2e8f9f7 36 __STATIC_INLINE int nu_ctz(uint32_t x)
<> 144:ef7eb2e8f9f7 37 {
<> 144:ef7eb2e8f9f7 38 int c = __CLZ(x & -x);
<> 144:ef7eb2e8f9f7 39 return x ? 31 - c : c;
<> 144:ef7eb2e8f9f7 40 }
<> 144:ef7eb2e8f9f7 41
<> 144:ef7eb2e8f9f7 42 __STATIC_INLINE int nu_cto(uint32_t x)
<> 144:ef7eb2e8f9f7 43 {
<> 144:ef7eb2e8f9f7 44 return nu_ctz(~x);
<> 144:ef7eb2e8f9f7 45 }
<> 144:ef7eb2e8f9f7 46
<> 144:ef7eb2e8f9f7 47
<> 144:ef7eb2e8f9f7 48 __STATIC_INLINE uint16_t nu_get16_le(const uint8_t *pos)
<> 144:ef7eb2e8f9f7 49 {
<> 144:ef7eb2e8f9f7 50 uint16_t val;
<> 144:ef7eb2e8f9f7 51
<> 144:ef7eb2e8f9f7 52 val = *pos ++;
<> 144:ef7eb2e8f9f7 53 val += (*pos << 8);
<> 144:ef7eb2e8f9f7 54
<> 144:ef7eb2e8f9f7 55 return val;
<> 144:ef7eb2e8f9f7 56 }
<> 144:ef7eb2e8f9f7 57
<> 144:ef7eb2e8f9f7 58 __STATIC_INLINE void nu_set16_le(uint8_t *pos, uint16_t val)
<> 144:ef7eb2e8f9f7 59 {
<> 144:ef7eb2e8f9f7 60 *pos ++ = val & 0xFF;
<> 144:ef7eb2e8f9f7 61 *pos = val >> 8;
<> 144:ef7eb2e8f9f7 62 }
<> 144:ef7eb2e8f9f7 63
<> 144:ef7eb2e8f9f7 64 __STATIC_INLINE uint32_t nu_get32_le(const uint8_t *pos)
<> 144:ef7eb2e8f9f7 65 {
<> 144:ef7eb2e8f9f7 66 uint32_t val;
<> 144:ef7eb2e8f9f7 67
<> 144:ef7eb2e8f9f7 68 val = *pos ++;
<> 144:ef7eb2e8f9f7 69 val += (*pos ++ << 8);
<> 144:ef7eb2e8f9f7 70 val += (*pos ++ << 16);
<> 144:ef7eb2e8f9f7 71 val += (*pos ++ << 24);
<> 144:ef7eb2e8f9f7 72
<> 144:ef7eb2e8f9f7 73 return val;
<> 144:ef7eb2e8f9f7 74 }
<> 144:ef7eb2e8f9f7 75
<> 144:ef7eb2e8f9f7 76 __STATIC_INLINE void nu_set32_le(uint8_t *pos, uint32_t val)
<> 144:ef7eb2e8f9f7 77 {
<> 144:ef7eb2e8f9f7 78 *pos ++ = val & 0xFF;
<> 144:ef7eb2e8f9f7 79 *pos ++ = (val >> 8) & 0xFF;
<> 144:ef7eb2e8f9f7 80 *pos ++ = (val >> 16) & 0xFF;
<> 144:ef7eb2e8f9f7 81 *pos = (val >> 24) & 0xFF;
<> 144:ef7eb2e8f9f7 82 }
<> 144:ef7eb2e8f9f7 83
<> 144:ef7eb2e8f9f7 84 __STATIC_INLINE uint16_t nu_get16_be(const uint8_t *pos)
<> 144:ef7eb2e8f9f7 85 {
<> 144:ef7eb2e8f9f7 86 uint16_t val;
<> 144:ef7eb2e8f9f7 87
<> 144:ef7eb2e8f9f7 88 val = *pos ++;
<> 144:ef7eb2e8f9f7 89 val <<= 8;
<> 144:ef7eb2e8f9f7 90 val += *pos;
<> 144:ef7eb2e8f9f7 91
<> 144:ef7eb2e8f9f7 92 return val;
<> 144:ef7eb2e8f9f7 93 }
<> 144:ef7eb2e8f9f7 94
<> 144:ef7eb2e8f9f7 95 __STATIC_INLINE void nu_set16_be(uint8_t *pos, uint16_t val)
<> 144:ef7eb2e8f9f7 96 {
<> 144:ef7eb2e8f9f7 97 *pos ++ = val >> 8;
<> 144:ef7eb2e8f9f7 98 *pos = (val & 0xFF);
<> 144:ef7eb2e8f9f7 99 }
<> 144:ef7eb2e8f9f7 100
<> 144:ef7eb2e8f9f7 101 __STATIC_INLINE uint32_t nu_get32_be(const uint8_t *pos)
<> 144:ef7eb2e8f9f7 102 {
<> 144:ef7eb2e8f9f7 103 uint32_t val;
<> 144:ef7eb2e8f9f7 104
<> 144:ef7eb2e8f9f7 105 val = *pos ++;
<> 144:ef7eb2e8f9f7 106 val <<= 8;
<> 144:ef7eb2e8f9f7 107 val += *pos ++;
<> 144:ef7eb2e8f9f7 108 val <<= 8;
<> 144:ef7eb2e8f9f7 109 val += *pos ++;
<> 144:ef7eb2e8f9f7 110 val <<= 8;
<> 144:ef7eb2e8f9f7 111 val += *pos;
<> 144:ef7eb2e8f9f7 112
<> 144:ef7eb2e8f9f7 113 return val;
<> 144:ef7eb2e8f9f7 114 }
<> 144:ef7eb2e8f9f7 115
<> 144:ef7eb2e8f9f7 116 __STATIC_INLINE void nu_set32_be(uint8_t *pos, uint32_t val)
<> 144:ef7eb2e8f9f7 117 {
<> 144:ef7eb2e8f9f7 118 *pos ++ = val >> 24;
<> 144:ef7eb2e8f9f7 119 *pos ++ = val >> 16;
<> 144:ef7eb2e8f9f7 120 *pos ++ = val >> 8;
<> 144:ef7eb2e8f9f7 121 *pos ++ = (val & 0xFF);
<> 144:ef7eb2e8f9f7 122 }
<> 144:ef7eb2e8f9f7 123
<> 144:ef7eb2e8f9f7 124 #ifdef __cplusplus
<> 144:ef7eb2e8f9f7 125 }
<> 144:ef7eb2e8f9f7 126 #endif
<> 144:ef7eb2e8f9f7 127
<> 144:ef7eb2e8f9f7 128 #endif