Maxim Ibragimov / mbed-dev

mbed library sources. Supersedes mbed-src. Fixed broken STM32F1xx RTC on rtc_api.c

Dependents:   Nucleo_F103RB_RTC_battery_bkup_pwr_off_okay

Fork of mbed-dev by mbed official

targets/TARGET_NUVOTON/nu_bitutil.h@177:619788de047e, 2017-11-07 (annotated)

Committer:
maxxir
Date:
Tue Nov 07 16:46:29 2017 +0000
Revision:
177:619788de047e
Parent:
174:b96e65c34a4d 
To fix broken RTC on Nucleo_F103RB / STM32F103 BluePill etc..;  Used direct RTC register manipulation for STM32F1xx;  rtc_read() && rtc_write()  (native rtc_init() - works good);  also added stub for non-working on STM32F1xx rtc_read_subseconds().

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