initial commit of kl25z rtc code. local changes for debug
Fork of KL25Z_RTC by
KL25Z_RTC.cpp@5:5f49823ac1a3, 2015-06-26 (annotated)
- Committer:
- ftagius
- Date:
- Fri Jun 26 17:35:24 2015 +0000
- Revision:
- 5:5f49823ac1a3
- Parent:
- 4:3bd0dc0c2b2e
initial local copy of kl25z real time clock init code;
Who changed what in which revision?
User | Revision | Line number | New 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 | 4:3bd0dc0c2b2e | 22 | unsigned int _alarm=0; // Value at which tha alarm is set. |
clemente | 4:3bd0dc0c2b2e | 23 | volatile unsigned int _secIRQ_Done; |
clemente | 4:3bd0dc0c2b2e | 24 | volatile unsigned int _alrmIRQ_Done; |
clemente | 0:12422f7c30d3 | 25 | |
clemente | 4:3bd0dc0c2b2e | 26 | void (*RTC_usr2_fptr)(void); // Pointers to user function called after |
clemente | 4:3bd0dc0c2b2e | 27 | void (*RTC_usr1_fptr)(void); // IRQ assertion. |
clemente | 1:2e81444e49a9 | 28 | |
clemente | 1:2e81444e49a9 | 29 | |
clemente | 0:12422f7c30d3 | 30 | KL25Z_RTC::KL25Z_RTC( unsigned int alarm) |
clemente | 0:12422f7c30d3 | 31 | { |
clemente | 4:3bd0dc0c2b2e | 32 | if ( alarm != 0) |
clemente | 4:3bd0dc0c2b2e | 33 | _alarm = alarm; |
clemente | 4:3bd0dc0c2b2e | 34 | } |
clemente | 4:3bd0dc0c2b2e | 35 | |
clemente | 4:3bd0dc0c2b2e | 36 | KL25Z_RTC::~KL25Z_RTC() |
clemente | 4:3bd0dc0c2b2e | 37 | { |
clemente | 4:3bd0dc0c2b2e | 38 | NVIC_DisableIRQ( RTC_Seconds_IRQn); |
clemente | 4:3bd0dc0c2b2e | 39 | RTC_usr1_fptr = NULL; |
clemente | 4:3bd0dc0c2b2e | 40 | RTC->IER &= ~RTC_IER_TSIE_MASK; |
clemente | 4:3bd0dc0c2b2e | 41 | |
clemente | 4:3bd0dc0c2b2e | 42 | NVIC_DisableIRQ( RTC_IRQn); |
clemente | 4:3bd0dc0c2b2e | 43 | RTC_usr2_fptr = NULL; |
clemente | 4:3bd0dc0c2b2e | 44 | RTC->IER &= ~RTC_IER_TAIE_MASK; |
clemente | 4:3bd0dc0c2b2e | 45 | |
clemente | 4:3bd0dc0c2b2e | 46 | // Disable the clock to the RTC module. |
clemente | 4:3bd0dc0c2b2e | 47 | SIM->SCGC6 &= ~SIM_SCGC6_RTC_MASK; |
clemente | 0:12422f7c30d3 | 48 | } |
clemente | 0:12422f7c30d3 | 49 | |
clemente | 0:12422f7c30d3 | 50 | unsigned int KL25Z_RTC::RTC_GetAlarm( void) |
clemente | 0:12422f7c30d3 | 51 | { |
clemente | 0:12422f7c30d3 | 52 | return _alarm; |
clemente | 0:12422f7c30d3 | 53 | } |
clemente | 0:12422f7c30d3 | 54 | |
clemente | 2:56a50064749e | 55 | void KL25Z_RTC::RTC_SetAlarm( unsigned int alarm) |
clemente | 2:56a50064749e | 56 | { |
clemente | 2:56a50064749e | 57 | _alarm = alarm; |
clemente | 2:56a50064749e | 58 | } |
clemente | 2:56a50064749e | 59 | |
clemente | 0:12422f7c30d3 | 60 | void KL25Z_RTC::RTC_Start( void) |
clemente | 0:12422f7c30d3 | 61 | { |
clemente | 0:12422f7c30d3 | 62 | rtc_init(); |
ftagius | 5:5f49823ac1a3 | 63 | |
clemente | 0:12422f7c30d3 | 64 | NVIC_EnableIRQ( RTC_Seconds_IRQn); |
ftagius | 5:5f49823ac1a3 | 65 | //NVIC_EnableIRQ( RTC_IRQn); // causes startup problems? |
clemente | 0:12422f7c30d3 | 66 | NVIC_SetVector( RTC_Seconds_IRQn, (uint32_t)&_RTC_Seconds_IRQHandler); |
ftagius | 5:5f49823ac1a3 | 67 | //NVIC_SetVector( RTC_IRQn, (uint32_t)&_RTC_IRQHandler); // causes startup problems? |
ftagius | 5:5f49823ac1a3 | 68 | |
clemente | 0:12422f7c30d3 | 69 | RTC->TAR = RTC->TSR + _alarm; |
clemente | 0:12422f7c30d3 | 70 | RTC->IER = RTC_IER_TSIE_MASK | RTC_IER_TAIE_MASK; |
clemente | 0:12422f7c30d3 | 71 | |
clemente | 0:12422f7c30d3 | 72 | } |
clemente | 0:12422f7c30d3 | 73 | |
clemente | 1:2e81444e49a9 | 74 | void KL25Z_RTC::RTC_Start( void(*sec_ptr)(void), void(*alrm_ptr)(void)) |
clemente | 1:2e81444e49a9 | 75 | { |
clemente | 1:2e81444e49a9 | 76 | rtc_init(); |
clemente | 1:2e81444e49a9 | 77 | |
clemente | 1:2e81444e49a9 | 78 | RTC->IER = 0; |
clemente | 1:2e81444e49a9 | 79 | |
clemente | 1:2e81444e49a9 | 80 | if ( sec_ptr != NULL) { |
clemente | 1:2e81444e49a9 | 81 | NVIC_EnableIRQ( RTC_Seconds_IRQn); |
clemente | 1:2e81444e49a9 | 82 | NVIC_SetVector( RTC_Seconds_IRQn, (uint32_t)&_RTC_Seconds_IRQHandler); |
clemente | 4:3bd0dc0c2b2e | 83 | RTC_usr1_fptr = sec_ptr; |
clemente | 1:2e81444e49a9 | 84 | RTC->IER |= RTC_IER_TSIE_MASK; |
clemente | 4:3bd0dc0c2b2e | 85 | } else { |
clemente | 4:3bd0dc0c2b2e | 86 | NVIC_DisableIRQ( RTC_Seconds_IRQn); |
clemente | 4:3bd0dc0c2b2e | 87 | RTC->IER &= ~RTC_IER_TSIE_MASK; |
clemente | 1:2e81444e49a9 | 88 | } |
clemente | 1:2e81444e49a9 | 89 | |
clemente | 1:2e81444e49a9 | 90 | if ( alrm_ptr != NULL) { |
clemente | 1:2e81444e49a9 | 91 | RTC->TAR = RTC->TSR + _alarm; |
clemente | 1:2e81444e49a9 | 92 | NVIC_EnableIRQ( RTC_IRQn); |
clemente | 1:2e81444e49a9 | 93 | NVIC_SetVector( RTC_IRQn, (uint32_t)&_RTC_IRQHandler); |
clemente | 4:3bd0dc0c2b2e | 94 | RTC_usr2_fptr = alrm_ptr; |
clemente | 1:2e81444e49a9 | 95 | RTC->IER |= RTC_IER_TAIE_MASK; |
clemente | 4:3bd0dc0c2b2e | 96 | } else { |
clemente | 4:3bd0dc0c2b2e | 97 | NVIC_DisableIRQ( RTC_IRQn); |
clemente | 4:3bd0dc0c2b2e | 98 | RTC->IER &= ~RTC_IER_TAIE_MASK; |
clemente | 1:2e81444e49a9 | 99 | } |
clemente | 1:2e81444e49a9 | 100 | |
clemente | 1:2e81444e49a9 | 101 | } |
clemente | 1:2e81444e49a9 | 102 | |
clemente | 0:12422f7c30d3 | 103 | unsigned int KL25Z_RTC::RTC_Read( void) |
clemente | 0:12422f7c30d3 | 104 | { |
clemente | 0:12422f7c30d3 | 105 | return RTC->TSR; |
clemente | 0:12422f7c30d3 | 106 | } |
clemente | 0:12422f7c30d3 | 107 | |
clemente | 4:3bd0dc0c2b2e | 108 | void KL25Z_RTC::_RTC_IRQHandler(void) |
clemente | 4:3bd0dc0c2b2e | 109 | { |
clemente | 4:3bd0dc0c2b2e | 110 | // |
clemente | 0:12422f7c30d3 | 111 | if ( RTC->SR & 0x04) { |
clemente | 3:2cee0b9ac1ff | 112 | // printf("RTC_Alarm\r\n"); |
clemente | 0:12422f7c30d3 | 113 | RTC->TAR = RTC->TSR + _alarm; |
clemente | 4:3bd0dc0c2b2e | 114 | // Run the user supplied function |
clemente | 4:3bd0dc0c2b2e | 115 | if ( RTC_usr2_fptr != NULL) |
clemente | 4:3bd0dc0c2b2e | 116 | RTC_usr2_fptr(); |
clemente | 4:3bd0dc0c2b2e | 117 | // |
clemente | 4:3bd0dc0c2b2e | 118 | _alrmIRQ_Done=1; |
clemente | 0:12422f7c30d3 | 119 | } |
clemente | 1:2e81444e49a9 | 120 | |
clemente | 0:12422f7c30d3 | 121 | } |
clemente | 0:12422f7c30d3 | 122 | |
clemente | 4:3bd0dc0c2b2e | 123 | void KL25Z_RTC::_RTC_Seconds_IRQHandler(void) |
clemente | 4:3bd0dc0c2b2e | 124 | { |
clemente | 0:12422f7c30d3 | 125 | // |
clemente | 4:3bd0dc0c2b2e | 126 | _secIRQ_Done=1; |
clemente | 4:3bd0dc0c2b2e | 127 | |
clemente | 3:2cee0b9ac1ff | 128 | // printf("RTC_Seconds_IRQHandler [%0d].\r\n", RTC->TSR); |
clemente | 1:2e81444e49a9 | 129 | // Run the user supplied function |
clemente | 4:3bd0dc0c2b2e | 130 | if ( RTC_usr1_fptr != NULL) |
clemente | 4:3bd0dc0c2b2e | 131 | RTC_usr1_fptr(); |
clemente | 0:12422f7c30d3 | 132 | } |
clemente | 0:12422f7c30d3 | 133 | |
clemente | 4:3bd0dc0c2b2e | 134 | unsigned int KL25Z_RTC::RTC_isIRQSecondDone( void) |
clemente | 4:3bd0dc0c2b2e | 135 | { |
clemente | 4:3bd0dc0c2b2e | 136 | if ( _secIRQ_Done) { |
clemente | 4:3bd0dc0c2b2e | 137 | _secIRQ_Done=0; |
clemente | 4:3bd0dc0c2b2e | 138 | return 1; |
clemente | 4:3bd0dc0c2b2e | 139 | } else |
clemente | 4:3bd0dc0c2b2e | 140 | return 0; |
clemente | 4:3bd0dc0c2b2e | 141 | } |
clemente | 4:3bd0dc0c2b2e | 142 | |
clemente | 4:3bd0dc0c2b2e | 143 | unsigned int KL25Z_RTC::RTC_isIRQAlarmDone( void) |
clemente | 4:3bd0dc0c2b2e | 144 | { |
clemente | 4:3bd0dc0c2b2e | 145 | if ( _alrmIRQ_Done) { |
clemente | 4:3bd0dc0c2b2e | 146 | _alrmIRQ_Done=0; |
clemente | 4:3bd0dc0c2b2e | 147 | return 1; |
clemente | 4:3bd0dc0c2b2e | 148 | } else |
clemente | 4:3bd0dc0c2b2e | 149 | return 0; |
clemente | 4:3bd0dc0c2b2e | 150 | } |
clemente | 4:3bd0dc0c2b2e | 151 |