mbed official / mbed

The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

Dependents:   hello SerialTestv11 SerialTestv12 Sierpinski ... more

mbed 2

This is the mbed 2 library. If you'd like to learn about Mbed OS please see the mbed-os docs.

TARGET_NUMAKER_PFM_M453/TARGET_NUVOTON/nu_bitutil.h@134:ad3be0349dc5, 2017-01-16 (annotated)

Committer:
<>
Date:
Mon Jan 16 12:05:23 2017 +0000
Revision:
134:ad3be0349dc5
Parent:
128:9bcdf88f62b0
Child:
152:235179ab3f27
Release 134 of the mbed library



Ports for Upcoming Targets





Fixes and Changes



3488: Dev stm i2c v2 unitary functions https://github.com/ARMmbed/mbed-os/pull/3488

3492: Fix #3463 CAN read() return value https://github.com/ARMmbed/mbed-os/pull/3492

3503: [LPC15xx] Ensure that PWM=1 is resolved correctly https://github.com/ARMmbed/mbed-os/pull/3503

3504: [LPC15xx] CAN implementation improvements https://github.com/ARMmbed/mbed-os/pull/3504

3539: NUCLEO_F412ZG - Add support of TRNG peripheral https://github.com/ARMmbed/mbed-os/pull/3539

3540: STM: SPI: Initialize Rx in spi_master_write https://github.com/ARMmbed/mbed-os/pull/3540

3438: K64F: Add support for SERIAL ASYNCH API https://github.com/ARMmbed/mbed-os/pull/3438

3519: MCUXpresso: Fix ENET driver to enable interrupts after interrupt handler is set https://github.com/ARMmbed/mbed-os/pull/3519

3544: STM32L4 deepsleep improvement https://github.com/ARMmbed/mbed-os/pull/3544

3546: NUCLEO-F412ZG - Add CAN peripheral https://github.com/ARMmbed/mbed-os/pull/3546

3551: Fix I2C driver for RZ/A1H https://github.com/ARMmbed/mbed-os/pull/3551

3558: K64F UART Asynch API: Fix synchronization issue https://github.com/ARMmbed/mbed-os/pull/3558

3563: LPC4088 - Fix vector checksum https://github.com/ARMmbed/mbed-os/pull/3563

3567: Dev stm32 F0 v1.7.0 https://github.com/ARMmbed/mbed-os/pull/3567

3577: Fixes linking errors when building with debug profile https://github.com/ARMmbed/mbed-os/pull/3577

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Kojto 123:b0220dba8be7 1 /* mbed Microcontroller Library
Kojto 123:b0220dba8be7 2 * Copyright (c) 2015-2016 Nuvoton
Kojto 123:b0220dba8be7 3 *
Kojto 123:b0220dba8be7 4 * Licensed under the Apache License, Version 2.0 (the "License");
Kojto 123:b0220dba8be7 5 * you may not use this file except in compliance with the License.
Kojto 123:b0220dba8be7 6 * You may obtain a copy of the License at
Kojto 123:b0220dba8be7 7 *
Kojto 123:b0220dba8be7 8 * http://www.apache.org/licenses/LICENSE-2.0
Kojto 123:b0220dba8be7 9 *
Kojto 123:b0220dba8be7 10 * Unless required by applicable law or agreed to in writing, software
Kojto 123:b0220dba8be7 11 * distributed under the License is distributed on an "AS IS" BASIS,
Kojto 123:b0220dba8be7 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
Kojto 123:b0220dba8be7 13 * See the License for the specific language governing permissions and
Kojto 123:b0220dba8be7 14 * limitations under the License.
Kojto 123:b0220dba8be7 15 */
Kojto 123:b0220dba8be7 16
Kojto 123:b0220dba8be7 17 #ifndef NU_BIT_UTIL_H
Kojto 123:b0220dba8be7 18 #define NU_BIT_UTIL_H
Kojto 123:b0220dba8be7 19
Kojto 123:b0220dba8be7 20 #include "cmsis.h"
Kojto 123:b0220dba8be7 21
Kojto 123:b0220dba8be7 22 #ifdef __cplusplus
Kojto 123:b0220dba8be7 23 extern "C" {
Kojto 123:b0220dba8be7 24 #endif
Kojto 123:b0220dba8be7 25
Kojto 123:b0220dba8be7 26 __STATIC_INLINE int nu_clz(uint32_t x)
Kojto 123:b0220dba8be7 27 {
Kojto 123:b0220dba8be7 28 return __CLZ(x);
Kojto 123:b0220dba8be7 29 }
Kojto 123:b0220dba8be7 30
Kojto 123:b0220dba8be7 31 __STATIC_INLINE int nu_clo(uint32_t x)
Kojto 123:b0220dba8be7 32 {
Kojto 123:b0220dba8be7 33 return nu_clz(~x);
Kojto 123:b0220dba8be7 34 }
Kojto 123:b0220dba8be7 35
Kojto 123:b0220dba8be7 36 __STATIC_INLINE int nu_ctz(uint32_t x)
Kojto 123:b0220dba8be7 37 {
Kojto 123:b0220dba8be7 38 int c = __CLZ(x & -x);
Kojto 123:b0220dba8be7 39 return x ? 31 - c : c;
Kojto 123:b0220dba8be7 40 }
Kojto 123:b0220dba8be7 41
Kojto 123:b0220dba8be7 42 __STATIC_INLINE int nu_cto(uint32_t x)
Kojto 123:b0220dba8be7 43 {
Kojto 123:b0220dba8be7 44 return nu_ctz(~x);
Kojto 123:b0220dba8be7 45 }
Kojto 123:b0220dba8be7 46
Kojto 123:b0220dba8be7 47
Kojto 123:b0220dba8be7 48 __STATIC_INLINE uint16_t nu_get16_le(const uint8_t *pos)
Kojto 123:b0220dba8be7 49 {
Kojto 123:b0220dba8be7 50 uint16_t val;
Kojto 123:b0220dba8be7 51
Kojto 123:b0220dba8be7 52 val = *pos ++;
Kojto 123:b0220dba8be7 53 val += (*pos << 8);
Kojto 123:b0220dba8be7 54
Kojto 123:b0220dba8be7 55 return val;
Kojto 123:b0220dba8be7 56 }
Kojto 123:b0220dba8be7 57
Kojto 123:b0220dba8be7 58 __STATIC_INLINE void nu_set16_le(uint8_t *pos, uint16_t val)
Kojto 123:b0220dba8be7 59 {
Kojto 123:b0220dba8be7 60 *pos ++ = val & 0xFF;
Kojto 123:b0220dba8be7 61 *pos = val >> 8;
Kojto 123:b0220dba8be7 62 }
Kojto 123:b0220dba8be7 63
Kojto 123:b0220dba8be7 64 __STATIC_INLINE uint32_t nu_get32_le(const uint8_t *pos)
Kojto 123:b0220dba8be7 65 {
Kojto 123:b0220dba8be7 66 uint32_t val;
Kojto 123:b0220dba8be7 67
Kojto 123:b0220dba8be7 68 val = *pos ++;
Kojto 123:b0220dba8be7 69 val += (*pos ++ << 8);
Kojto 123:b0220dba8be7 70 val += (*pos ++ << 16);
Kojto 123:b0220dba8be7 71 val += (*pos ++ << 24);
Kojto 123:b0220dba8be7 72
Kojto 123:b0220dba8be7 73 return val;
Kojto 123:b0220dba8be7 74 }
Kojto 123:b0220dba8be7 75
Kojto 123:b0220dba8be7 76 __STATIC_INLINE void nu_set32_le(uint8_t *pos, uint32_t val)
Kojto 123:b0220dba8be7 77 {
Kojto 123:b0220dba8be7 78 *pos ++ = val & 0xFF;
Kojto 123:b0220dba8be7 79 *pos ++ = (val >> 8) & 0xFF;
Kojto 123:b0220dba8be7 80 *pos ++ = (val >> 16) & 0xFF;
Kojto 123:b0220dba8be7 81 *pos = (val >> 24) & 0xFF;
Kojto 123:b0220dba8be7 82 }
Kojto 123:b0220dba8be7 83
Kojto 123:b0220dba8be7 84 __STATIC_INLINE uint16_t nu_get16_be(const uint8_t *pos)
Kojto 123:b0220dba8be7 85 {
Kojto 123:b0220dba8be7 86 uint16_t val;
Kojto 123:b0220dba8be7 87
Kojto 123:b0220dba8be7 88 val = *pos ++;
Kojto 123:b0220dba8be7 89 val <<= 8;
Kojto 123:b0220dba8be7 90 val += *pos;
Kojto 123:b0220dba8be7 91
Kojto 123:b0220dba8be7 92 return val;
Kojto 123:b0220dba8be7 93 }
Kojto 123:b0220dba8be7 94
Kojto 123:b0220dba8be7 95 __STATIC_INLINE void nu_set16_be(uint8_t *pos, uint16_t val)
Kojto 123:b0220dba8be7 96 {
Kojto 123:b0220dba8be7 97 *pos ++ = val >> 8;
Kojto 123:b0220dba8be7 98 *pos = (val & 0xFF);
Kojto 123:b0220dba8be7 99 }
Kojto 123:b0220dba8be7 100
Kojto 123:b0220dba8be7 101 __STATIC_INLINE uint32_t nu_get32_be(const uint8_t *pos)
Kojto 123:b0220dba8be7 102 {
Kojto 123:b0220dba8be7 103 uint32_t val;
Kojto 123:b0220dba8be7 104
Kojto 123:b0220dba8be7 105 val = *pos ++;
Kojto 123:b0220dba8be7 106 val <<= 8;
Kojto 123:b0220dba8be7 107 val += *pos ++;
Kojto 123:b0220dba8be7 108 val <<= 8;
Kojto 123:b0220dba8be7 109 val += *pos ++;
Kojto 123:b0220dba8be7 110 val <<= 8;
Kojto 123:b0220dba8be7 111 val += *pos;
Kojto 123:b0220dba8be7 112
Kojto 123:b0220dba8be7 113 return val;
Kojto 123:b0220dba8be7 114 }
Kojto 123:b0220dba8be7 115
Kojto 123:b0220dba8be7 116 __STATIC_INLINE void nu_set32_be(uint8_t *pos, uint32_t val)
Kojto 123:b0220dba8be7 117 {
Kojto 123:b0220dba8be7 118 *pos ++ = val >> 24;
Kojto 123:b0220dba8be7 119 *pos ++ = val >> 16;
Kojto 123:b0220dba8be7 120 *pos ++ = val >> 8;
Kojto 123:b0220dba8be7 121 *pos ++ = (val & 0xFF);
Kojto 123:b0220dba8be7 122 }
Kojto 123:b0220dba8be7 123
Kojto 123:b0220dba8be7 124 #ifdef __cplusplus
Kojto 123:b0220dba8be7 125 }
Kojto 123:b0220dba8be7 126 #endif
Kojto 123:b0220dba8be7 127
Kojto 123:b0220dba8be7 128 #endif