eunkyoung kim / mbed-src

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Dependents:   SSD1306_smart_watch

Fork of mbed-src by eunkyoung kim

targets/hal/TARGET_Freescale/TARGET_K20XX/rtc.api.c@522:aee49fe30179, 2015-04-23 (annotated)

Committer:
mbed_official
Date:
Thu Apr 23 09:15:08 2015 +0100
Revision:
522:aee49fe30179
Parent:
489:119543c9f674 
Synchronized with git revision 809d8aa82baa0e196695d0c8bfec84e654676705



Full URL: https://github.com/mbedmicro/mbed/commit/809d8aa82baa0e196695d0c8bfec84e654676705/



commit 5390a0eb7fc28dda30993602652350fd0ad87df0

Merge: 7c4831f 3998966

Author: 0xc0170 <c0170@rocketmail.com>

Date:   Thu Apr 23 08:48:31 2015 +0100



    Merge branch 'master' of https://github.com/dudmuck/mbed into dudmuck-master



    Conflicts:

    	workspace_tools/export/uvision4.py



commit 3998966b1b130716855ac01142d8da917c3e1d2f

Author: U-owner-PC\owner <Wayne Roberts>

Date:   Thu Apr 9 13:45:09 2015 -0700



    using defines for platform specific requirement



commit 755c5d9b0713768771d110468a6750abf506bb1c

Author: U-owner-PC\owner <Wayne Roberts>

Date:   Wed Apr 8 14:59:47 2015 -0700



    added device ID for MOTE_L152RC



commit d812fb0002dbc1eea64984bdaf4c18b335979d7d

Merge: 6ad66e8 158cbeb

Author: U-owner-PC\owner <Wayne Roberts>

Date:   Wed Apr 8 07:25:23 2015 -0700



    Merge remote-tracking branch 'upstream/master'



commit 6ad66e89d818e595a9327710a9c79bee078b067f

Merge: 14a1807 cfb9dd1

Author: U-owner-PC\owner <Wayne Roberts>

Date:   Fri Mar 27 15:54:03 2015 -0700



    merged upstream



commit 14a18078ca11b4126779914b02df6b75225e1315

Author: U-owner-PC\owner <Wayne Roberts>

Date:   Tue Mar 24 10:01:02 2015 -0700



    RTC subSeconds at 16384Hz



commit 32d75d04c18177b2fb823f011e002ec36190005a

Merge: bc84c03 ea01d61

Author: U-owner-PC\owner <Wayne Roberts>

Date:   Tue Mar 24 09:59:43 2015 -0700



    Merge remote-tracking branch 'upstream/master'



commit bc84c03a37e10c819e55592aa1efcb621900460b

Author: U-owner-PC\owner <Wayne Roberts>

Date:   Mon Mar 16 16:26:18 2015 -0700



    handle HSE-PLL enabled upone deepsleep wakeup



commit 11bfe693b9a03744b1624f943fa6ed0f6b05ede6

Merge: b7cec55 fdc75bf

Author: U-owner-PC\owner <Wayne Roberts>

Date:   Mon Mar 16 14:37:11 2015 -0700



    Merge remote-tracking branch 'upstream/master'



commit b7cec55d08020fd007046ea93f0ed968e0fb953e

Merge: c5b61f5 4b74c54

Author: U-owner-PC\owner <Wayne Roberts>

Date:   Mon Mar 9 13:15:56 2015 -0700



    syncd with upstream



commit c5b61f5c1d366a789b426f9147cee3fc6e8cd6e3

Merge: c16a115 9d2fd3e

Author: U-owner-PC\owner <Wayne Roberts>

Date:   Tue Mar 3 14:05:54 2015 -0800



    syncd with upstream



commit c16a115e183b340589fb8d61f79ada1f1ce8a7e2

Merge: 51efd61 1b2a621

Author: U-owner-PC\owner <Wayne Roberts>

Date:   Tue Feb 24 09:48:55 2015 -0800



    Merge remote-tracking branch 'upstream/master'



commit 51efd619f14b0534037167d5a2080106a2ac0adc

Author: U-owner-PC\owner <Wayne Roberts>

Date:   Tue Feb 24 09:48:22 2015 -0800



    MOTE_L152RC



commit a122226e460e2910dfcc8e379ac3484fd5ac5e78

Author: U-owner-PC\owner <Wayne Roberts>

Date:   Tue Feb 24 09:46:08 2015 -0800



    renamed SEMTECH_LORA915 to MOTE_L152RC



commit 88fcf53069d8a7e602ddfc997947d2871cb93ffa

Merge: 3e291c1 8648ff5

Author: U-owner-PC\owner <Wayne Roberts>

Date:   Mon Feb 23 08:11:48 2015 -0800



    Merge remote-tracking branch 'upstream/master'



commit 3e291c1ccec69901c498b061a6108f0df4b6db2f

Merge: a59aefc c9e93d2

Author: U-owner-PC\owner <Wayne Roberts>

Date:   Tue Feb 17 19:04:04 2015 -0800



    Merge remote-tracking branch 'upstream/master'



    syncing my fork with master



commit a59aefc6eddfeda6df91ad526f3727c2afcd1da2

Author: U-owner-PC\owner <Wayne Roberts>

Date:   Tue Feb 17 18:46:27 2015 -0800



    added SEMTECH_LORA915 to python scripts



commit 15b1989b692673edfa1d69ef7ffdd7b5795e9778

Author: U-owner-PC\owner <Wayne Roberts>

Date:   Tue Feb 17 18:42:13 2015 -0800



    added platform SEMTECH_LORA915

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 445:3312ed629f01 1 /* mbed Microcontroller Library
mbed_official 445:3312ed629f01 2 * Copyright (c) 2006-2015 ARM Limited
mbed_official 445:3312ed629f01 3 *
mbed_official 445:3312ed629f01 4 * Licensed under the Apache License, Version 2.0 (the "License");
mbed_official 445:3312ed629f01 5 * you may not use this file except in compliance with the License.
mbed_official 445:3312ed629f01 6 * You may obtain a copy of the License at
mbed_official 445:3312ed629f01 7 *
mbed_official 445:3312ed629f01 8 * http://www.apache.org/licenses/LICENSE-2.0
mbed_official 445:3312ed629f01 9 *
mbed_official 445:3312ed629f01 10 * Unless required by applicable law or agreed to in writing, software
mbed_official 445:3312ed629f01 11 * distributed under the License is distributed on an "AS IS" BASIS,
mbed_official 445:3312ed629f01 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
mbed_official 445:3312ed629f01 13 * See the License for the specific language governing permissions and
mbed_official 445:3312ed629f01 14 * limitations under the License.
mbed_official 445:3312ed629f01 15 */
mbed_official 445:3312ed629f01 16 #include "rtc_api.h"
mbed_official 445:3312ed629f01 17
mbed_official 445:3312ed629f01 18 static void init(void) {
mbed_official 445:3312ed629f01 19 // enable PORTC clock
mbed_official 445:3312ed629f01 20 SIM->SCGC5 |= SIM_SCGC5_PORTC_MASK;
mbed_official 445:3312ed629f01 21
mbed_official 445:3312ed629f01 22 // enable RTC clock
mbed_official 445:3312ed629f01 23 SIM->SCGC6 |= SIM_SCGC6_RTC_MASK;
mbed_official 445:3312ed629f01 24
mbed_official 445:3312ed629f01 25 // OSC32 as source
mbed_official 445:3312ed629f01 26 SIM->SOPT1 &= ~SIM_SOPT1_OSC32KSEL_MASK;
mbed_official 445:3312ed629f01 27 SIM->SOPT1 |= SIM_SOPT1_OSC32KSEL(0);
mbed_official 445:3312ed629f01 28 }
mbed_official 445:3312ed629f01 29
mbed_official 445:3312ed629f01 30 void rtc_init(void) {
mbed_official 445:3312ed629f01 31 init();
mbed_official 489:119543c9f674 32
mbed_official 445:3312ed629f01 33 // Enable the oscillator
mbed_official 489:119543c9f674 34 #if defined (TARGET_K20D50M)
mbed_official 445:3312ed629f01 35 RTC->CR |= RTC_CR_OSCE_MASK;
mbed_official 489:119543c9f674 36 #else
mbed_official 489:119543c9f674 37 // Teensy3.1 requires 20pF MCU loading capacitors for 32KHz RTC oscillator
mbed_official 489:119543c9f674 38 /* RTC->CR: SC2P=0,SC4P=1,SC8P=0,SC16P=1,CLKO=0,OSCE=1,UM=0,SUP=0,SPE=0,SWR=0 */
mbed_official 489:119543c9f674 39 RTC->CR |= RTC_CR_OSCE_MASK |RTC_CR_SC16P_MASK | RTC_CR_SC4P_MASK;
mbed_official 489:119543c9f674 40 #endif
mbed_official 445:3312ed629f01 41
mbed_official 445:3312ed629f01 42 //Configure the TSR. default value: 1
mbed_official 445:3312ed629f01 43 RTC->TSR = 1;
mbed_official 445:3312ed629f01 44
mbed_official 445:3312ed629f01 45 // enable counter
mbed_official 445:3312ed629f01 46 RTC->SR |= RTC_SR_TCE_MASK;
mbed_official 445:3312ed629f01 47 }
mbed_official 445:3312ed629f01 48
mbed_official 445:3312ed629f01 49 void rtc_free(void) {
mbed_official 445:3312ed629f01 50 // [TODO]
mbed_official 445:3312ed629f01 51 }
mbed_official 445:3312ed629f01 52
mbed_official 445:3312ed629f01 53 /*
mbed_official 445:3312ed629f01 54 * Little check routine to see if the RTC has been enabled
mbed_official 445:3312ed629f01 55 * 0 = Disabled, 1 = Enabled
mbed_official 445:3312ed629f01 56 */
mbed_official 445:3312ed629f01 57 int rtc_isenabled(void) {
mbed_official 445:3312ed629f01 58 // even if the RTC module is enabled,
mbed_official 445:3312ed629f01 59 // as we use RTC_CLKIN and an external clock,
mbed_official 445:3312ed629f01 60 // we need to reconfigure the pins. That is why we
mbed_official 445:3312ed629f01 61 // call init() if the rtc is enabled
mbed_official 445:3312ed629f01 62
mbed_official 445:3312ed629f01 63 // if RTC not enabled return 0
mbed_official 445:3312ed629f01 64 SIM->SCGC5 |= SIM_SCGC5_PORTC_MASK;
mbed_official 445:3312ed629f01 65 SIM->SCGC6 |= SIM_SCGC6_RTC_MASK;
mbed_official 445:3312ed629f01 66 if ((RTC->SR & RTC_SR_TCE_MASK) == 0)
mbed_official 445:3312ed629f01 67 return 0;
mbed_official 445:3312ed629f01 68
mbed_official 445:3312ed629f01 69 init();
mbed_official 445:3312ed629f01 70 return 1;
mbed_official 445:3312ed629f01 71 }
mbed_official 445:3312ed629f01 72
mbed_official 445:3312ed629f01 73 time_t rtc_read(void) {
mbed_official 445:3312ed629f01 74 return RTC->TSR;
mbed_official 445:3312ed629f01 75 }
mbed_official 445:3312ed629f01 76
mbed_official 445:3312ed629f01 77 void rtc_write(time_t t) {
mbed_official 445:3312ed629f01 78 // disable counter
mbed_official 445:3312ed629f01 79 RTC->SR &= ~RTC_SR_TCE_MASK;
mbed_official 445:3312ed629f01 80
mbed_official 445:3312ed629f01 81 // we do not write 0 into TSR
mbed_official 445:3312ed629f01 82 // to avoid invalid time
mbed_official 445:3312ed629f01 83 if (t == 0)
mbed_official 445:3312ed629f01 84 t = 1;
mbed_official 445:3312ed629f01 85
mbed_official 445:3312ed629f01 86 // write seconds
mbed_official 445:3312ed629f01 87 RTC->TSR = t;
mbed_official 445:3312ed629f01 88
mbed_official 445:3312ed629f01 89 // re-enable counter
mbed_official 445:3312ed629f01 90 RTC->SR |= RTC_SR_TCE_MASK;
mbed_official 445:3312ed629f01 91 }