CaryCoders / KL25Z_RTC

initial commit of kl25z rtc code. local changes for debug

Dependents:   demo_FRDM_RTC

Fork of KL25Z_RTC by clemente di caprio

KL25Z_RTC.cpp@3:2cee0b9ac1ff, 2013-06-21 (annotated)

Committer:
clemente
Date:
Fri Jun 21 02:22:00 2013 +0000
Revision:
3:2cee0b9ac1ff
Parent:
2:56a50064749e
Child:
4:3bd0dc0c2b2e
cleanup code. Added comments in .h file.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
clemente 0:12422f7c30d3 1 /* Copyright (c) 2010-2011 mbed.org, MIT License
clemente 0:12422f7c30d3 2 *
clemente 0:12422f7c30d3 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
clemente 0:12422f7c30d3 4 * and associated documentation files (the "Software"), to deal in the Software without
clemente 0:12422f7c30d3 5 * restriction, including without limitation the rights to use, copy, modify, merge, publish,
clemente 0:12422f7c30d3 6 * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
clemente 0:12422f7c30d3 7 * Software is furnished to do so, subject to the following conditions:
clemente 0:12422f7c30d3 8 *
clemente 0:12422f7c30d3 9 * The above copyright notice and this permission notice shall be included in all copies or
clemente 0:12422f7c30d3 10 * substantial portions of the Software.
clemente 0:12422f7c30d3 11 *
clemente 0:12422f7c30d3 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
clemente 0:12422f7c30d3 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
clemente 0:12422f7c30d3 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
clemente 0:12422f7c30d3 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
clemente 0:12422f7c30d3 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
clemente 0:12422f7c30d3 17 */
clemente 0:12422f7c30d3 18
clemente 0:12422f7c30d3 19 #include "KL25Z_RTC.h"
clemente 0:12422f7c30d3 20 #include "rtc_api.h"
clemente 0:12422f7c30d3 21
clemente 0:12422f7c30d3 22 unsigned int _alarm;
clemente 0:12422f7c30d3 23
clemente 1:2e81444e49a9 24 void (*user2_fptr)(void); // Pointers to user function called after
clemente 1:2e81444e49a9 25 void (*user1_fptr)(void); // IRQ assertion.
clemente 1:2e81444e49a9 26
clemente 1:2e81444e49a9 27
clemente 0:12422f7c30d3 28 KL25Z_RTC::KL25Z_RTC( unsigned int alarm)
clemente 0:12422f7c30d3 29 {
clemente 0:12422f7c30d3 30 _alarm = alarm;
clemente 0:12422f7c30d3 31 }
clemente 0:12422f7c30d3 32
clemente 0:12422f7c30d3 33 unsigned int KL25Z_RTC::RTC_GetAlarm( void)
clemente 0:12422f7c30d3 34 {
clemente 0:12422f7c30d3 35 return _alarm;
clemente 0:12422f7c30d3 36 }
clemente 0:12422f7c30d3 37
clemente 2:56a50064749e 38 void KL25Z_RTC::RTC_SetAlarm( unsigned int alarm)
clemente 2:56a50064749e 39 {
clemente 2:56a50064749e 40 _alarm = alarm;
clemente 2:56a50064749e 41 }
clemente 2:56a50064749e 42
clemente 0:12422f7c30d3 43 void KL25Z_RTC::RTC_Start( void)
clemente 0:12422f7c30d3 44 {
clemente 0:12422f7c30d3 45 rtc_init();
clemente 0:12422f7c30d3 46
clemente 0:12422f7c30d3 47 NVIC_EnableIRQ( RTC_Seconds_IRQn);
clemente 0:12422f7c30d3 48 NVIC_EnableIRQ( RTC_IRQn);
clemente 0:12422f7c30d3 49
clemente 0:12422f7c30d3 50 NVIC_SetVector( RTC_Seconds_IRQn, (uint32_t)&_RTC_Seconds_IRQHandler);
clemente 0:12422f7c30d3 51 NVIC_SetVector( RTC_IRQn, (uint32_t)&_RTC_IRQHandler);
clemente 0:12422f7c30d3 52
clemente 0:12422f7c30d3 53 RTC->TAR = RTC->TSR + _alarm;
clemente 0:12422f7c30d3 54 RTC->IER = RTC_IER_TSIE_MASK | RTC_IER_TAIE_MASK;
clemente 0:12422f7c30d3 55
clemente 0:12422f7c30d3 56 }
clemente 0:12422f7c30d3 57
clemente 1:2e81444e49a9 58 void KL25Z_RTC::RTC_Start( void(*sec_ptr)(void), void(*alrm_ptr)(void))
clemente 1:2e81444e49a9 59 {
clemente 1:2e81444e49a9 60 rtc_init();
clemente 1:2e81444e49a9 61
clemente 1:2e81444e49a9 62 RTC->IER = 0;
clemente 1:2e81444e49a9 63
clemente 1:2e81444e49a9 64 if ( sec_ptr != NULL) {
clemente 1:2e81444e49a9 65 NVIC_EnableIRQ( RTC_Seconds_IRQn);
clemente 1:2e81444e49a9 66 NVIC_SetVector( RTC_Seconds_IRQn, (uint32_t)&_RTC_Seconds_IRQHandler);
clemente 1:2e81444e49a9 67 user1_fptr = sec_ptr;
clemente 1:2e81444e49a9 68 RTC->IER |= RTC_IER_TSIE_MASK;
clemente 1:2e81444e49a9 69 }
clemente 1:2e81444e49a9 70
clemente 1:2e81444e49a9 71 if ( alrm_ptr != NULL) {
clemente 1:2e81444e49a9 72 RTC->TAR = RTC->TSR + _alarm;
clemente 1:2e81444e49a9 73 NVIC_EnableIRQ( RTC_IRQn);
clemente 1:2e81444e49a9 74 NVIC_SetVector( RTC_IRQn, (uint32_t)&_RTC_IRQHandler);
clemente 1:2e81444e49a9 75 user2_fptr = alrm_ptr;
clemente 1:2e81444e49a9 76 RTC->IER |= RTC_IER_TAIE_MASK;
clemente 1:2e81444e49a9 77 }
clemente 1:2e81444e49a9 78
clemente 1:2e81444e49a9 79 }
clemente 1:2e81444e49a9 80
clemente 0:12422f7c30d3 81 unsigned int KL25Z_RTC::RTC_Read( void)
clemente 0:12422f7c30d3 82 {
clemente 0:12422f7c30d3 83 return RTC->TSR;
clemente 0:12422f7c30d3 84 }
clemente 0:12422f7c30d3 85
clemente 0:12422f7c30d3 86 void KL25Z_RTC::_RTC_IRQHandler(void) {
clemente 0:12422f7c30d3 87 // error_led = 1;
clemente 0:12422f7c30d3 88 if ( RTC->SR & 0x04) {
clemente 3:2cee0b9ac1ff 89 // printf("RTC_Alarm\r\n");
clemente 0:12422f7c30d3 90 RTC->TAR = RTC->TSR + _alarm;
clemente 0:12422f7c30d3 91 }
clemente 1:2e81444e49a9 92 // Run the user supplied function
clemente 1:2e81444e49a9 93 user2_fptr();
clemente 1:2e81444e49a9 94
clemente 0:12422f7c30d3 95 }
clemente 0:12422f7c30d3 96
clemente 0:12422f7c30d3 97
clemente 0:12422f7c30d3 98 void KL25Z_RTC::_RTC_Seconds_IRQHandler(void) {
clemente 0:12422f7c30d3 99 //
clemente 3:2cee0b9ac1ff 100 // printf("RTC_Seconds_IRQHandler [%0d].\r\n", RTC->TSR);
clemente 1:2e81444e49a9 101 // Run the user supplied function
clemente 1:2e81444e49a9 102 user1_fptr();
clemente 0:12422f7c30d3 103 }
clemente 0:12422f7c30d3 104