Bruno Cavalcanti / Mbed 2 deprecated brunoDrome

teste de publish

Dependencies:   DS1820 HighSpeedAnalogIn devices mbed

RTC/RTC.cpp@0:1c0a769988ee, 2017-03-24 (annotated)

Committer:
brunofgc
Date:
Fri Mar 24 15:54:41 2017 +0000
Revision:
0:1c0a769988ee
Saidas digitais com pwm ok, entradas analogicas ok

Who changed what in which revision?

UserRevisionLine numberNew contents of line
brunofgc 0:1c0a769988ee 1 #include "RTC.h"
brunofgc 0:1c0a769988ee 2
brunofgc 0:1c0a769988ee 3 FunctionPointer RTC::attachCB[6];
brunofgc 0:1c0a769988ee 4 FunctionPointer RTC::alarmCB;
brunofgc 0:1c0a769988ee 5
brunofgc 0:1c0a769988ee 6 bool RTC::initialRun = true;
brunofgc 0:1c0a769988ee 7
brunofgc 0:1c0a769988ee 8
brunofgc 0:1c0a769988ee 9 void RTC::attach(void (*function)(void), TimeUnit interval)
brunofgc 0:1c0a769988ee 10 {
brunofgc 0:1c0a769988ee 11 //Set the function pointer
brunofgc 0:1c0a769988ee 12 attachCB[interval].attach(function);
brunofgc 0:1c0a769988ee 13 _attach(interval);
brunofgc 0:1c0a769988ee 14 }
brunofgc 0:1c0a769988ee 15
brunofgc 0:1c0a769988ee 16 template<typename T>
brunofgc 0:1c0a769988ee 17 void RTC::attach(T *object, void (T::*member)(void), TimeUnit interval)
brunofgc 0:1c0a769988ee 18 {
brunofgc 0:1c0a769988ee 19 //Set the function pointer
brunofgc 0:1c0a769988ee 20 attachCB[interval].attach(object, member);
brunofgc 0:1c0a769988ee 21 _attach(interval);
brunofgc 0:1c0a769988ee 22 }
brunofgc 0:1c0a769988ee 23
brunofgc 0:1c0a769988ee 24
brunofgc 0:1c0a769988ee 25 void RTC::_attach(TimeUnit interval)
brunofgc 0:1c0a769988ee 26 {
brunofgc 0:1c0a769988ee 27 //Disable IRQs, dont want them to happen while busy here
brunofgc 0:1c0a769988ee 28 NVIC_DisableIRQ(RTC_IRQn);
brunofgc 0:1c0a769988ee 29
brunofgc 0:1c0a769988ee 30 //Set the IRQ vector
brunofgc 0:1c0a769988ee 31 NVIC_SetVector(RTC_IRQn, (uint32_t)&RTC::IRQHandler);
brunofgc 0:1c0a769988ee 32
brunofgc 0:1c0a769988ee 33 //If this is the first time it is called, delete all interrupt sources
brunofgc 0:1c0a769988ee 34 //We need to do this because RTC unit isnt affected by system resets apparently
brunofgc 0:1c0a769988ee 35 if (initialRun) {
brunofgc 0:1c0a769988ee 36 LPC_RTC->CIIR = 0;
brunofgc 0:1c0a769988ee 37 LPC_RTC->AMR = 255;
brunofgc 0:1c0a769988ee 38 initialRun = false;
brunofgc 0:1c0a769988ee 39 LPC_RTC->ILR = 0x03;
brunofgc 0:1c0a769988ee 40 }
brunofgc 0:1c0a769988ee 41
brunofgc 0:1c0a769988ee 42 //Set/reset correct interrupt source
brunofgc 0:1c0a769988ee 43 switch (interval) {
brunofgc 0:1c0a769988ee 44 case Second:
brunofgc 0:1c0a769988ee 45 LPC_RTC->CIIR |= 1;
brunofgc 0:1c0a769988ee 46 break;
brunofgc 0:1c0a769988ee 47 case Minute:
brunofgc 0:1c0a769988ee 48 LPC_RTC->CIIR |= 2;
brunofgc 0:1c0a769988ee 49 break;
brunofgc 0:1c0a769988ee 50 case Hour:
brunofgc 0:1c0a769988ee 51 LPC_RTC->CIIR |= 4;
brunofgc 0:1c0a769988ee 52 break;
brunofgc 0:1c0a769988ee 53 case Day:
brunofgc 0:1c0a769988ee 54 LPC_RTC->CIIR |= 56;
brunofgc 0:1c0a769988ee 55 break;
brunofgc 0:1c0a769988ee 56 case Month:
brunofgc 0:1c0a769988ee 57 LPC_RTC->CIIR |= 64;
brunofgc 0:1c0a769988ee 58 break;
brunofgc 0:1c0a769988ee 59 case Year:
brunofgc 0:1c0a769988ee 60 LPC_RTC->CIIR |= 128;
brunofgc 0:1c0a769988ee 61 break;
brunofgc 0:1c0a769988ee 62 }
brunofgc 0:1c0a769988ee 63
brunofgc 0:1c0a769988ee 64
brunofgc 0:1c0a769988ee 65 //We can always enable IRQs, since if all IRQs are disabled by the user the RTC hardware will never raise its IRQ flag anyway
brunofgc 0:1c0a769988ee 66 NVIC_EnableIRQ(RTC_IRQn);
brunofgc 0:1c0a769988ee 67 }
brunofgc 0:1c0a769988ee 68
brunofgc 0:1c0a769988ee 69 void RTC::detach(TimeUnit interval)
brunofgc 0:1c0a769988ee 70 {
brunofgc 0:1c0a769988ee 71 switch (interval) {
brunofgc 0:1c0a769988ee 72 case Second:
brunofgc 0:1c0a769988ee 73 LPC_RTC->CIIR &= ~1;
brunofgc 0:1c0a769988ee 74 break;
brunofgc 0:1c0a769988ee 75 case Minute:
brunofgc 0:1c0a769988ee 76 LPC_RTC->CIIR &= ~2;
brunofgc 0:1c0a769988ee 77 break;
brunofgc 0:1c0a769988ee 78 case Hour:
brunofgc 0:1c0a769988ee 79 LPC_RTC->CIIR &= ~4;
brunofgc 0:1c0a769988ee 80 break;
brunofgc 0:1c0a769988ee 81 case Day:
brunofgc 0:1c0a769988ee 82 LPC_RTC->CIIR &= ~56;
brunofgc 0:1c0a769988ee 83 break;
brunofgc 0:1c0a769988ee 84 case Month:
brunofgc 0:1c0a769988ee 85 LPC_RTC->CIIR &= ~64;
brunofgc 0:1c0a769988ee 86 break;
brunofgc 0:1c0a769988ee 87 case Year:
brunofgc 0:1c0a769988ee 88 LPC_RTC->CIIR &= ~128;
brunofgc 0:1c0a769988ee 89 break;
brunofgc 0:1c0a769988ee 90 }
brunofgc 0:1c0a769988ee 91 attachCB[interval].attach(NULL);
brunofgc 0:1c0a769988ee 92 }
brunofgc 0:1c0a769988ee 93
brunofgc 0:1c0a769988ee 94
brunofgc 0:1c0a769988ee 95 void RTC::alarm(void (*function)(void), tm alarmTime)
brunofgc 0:1c0a769988ee 96 {
brunofgc 0:1c0a769988ee 97 //Set the function pointer
brunofgc 0:1c0a769988ee 98 alarmCB.attach(function);
brunofgc 0:1c0a769988ee 99 _alarm(alarmTime);
brunofgc 0:1c0a769988ee 100 }
brunofgc 0:1c0a769988ee 101
brunofgc 0:1c0a769988ee 102 template<typename T>
brunofgc 0:1c0a769988ee 103 void RTC::alarm(T *object, void (T::*member)(void), tm alarmTime)
brunofgc 0:1c0a769988ee 104 {
brunofgc 0:1c0a769988ee 105 //Set the function pointer
brunofgc 0:1c0a769988ee 106 alarmCB.attach(object, member);
brunofgc 0:1c0a769988ee 107 _alarm(alarmTime);
brunofgc 0:1c0a769988ee 108 }
brunofgc 0:1c0a769988ee 109
brunofgc 0:1c0a769988ee 110
brunofgc 0:1c0a769988ee 111 void RTC::_alarm(tm alarmTime)
brunofgc 0:1c0a769988ee 112 {
brunofgc 0:1c0a769988ee 113 //Disable IRQs, dont want them to happen while busy here
brunofgc 0:1c0a769988ee 114 NVIC_DisableIRQ(RTC_IRQn);
brunofgc 0:1c0a769988ee 115
brunofgc 0:1c0a769988ee 116 //Set the IRQ vector
brunofgc 0:1c0a769988ee 117 NVIC_SetVector(RTC_IRQn, (uint32_t)&RTC::IRQHandler);
brunofgc 0:1c0a769988ee 118
brunofgc 0:1c0a769988ee 119 //If this is the first time it is called, delete all interrupt sources
brunofgc 0:1c0a769988ee 120 //We need to do this because RTC unit isnt affected by system resets apparently
brunofgc 0:1c0a769988ee 121 if (initialRun) {
brunofgc 0:1c0a769988ee 122 LPC_RTC->CIIR = 0;
brunofgc 0:1c0a769988ee 123 LPC_RTC->AMR = 255;
brunofgc 0:1c0a769988ee 124 initialRun = false;
brunofgc 0:1c0a769988ee 125 LPC_RTC->ILR = 0x03;
brunofgc 0:1c0a769988ee 126 }
brunofgc 0:1c0a769988ee 127
brunofgc 0:1c0a769988ee 128 //Set the alarm register
brunofgc 0:1c0a769988ee 129 if ((alarmTime.tm_sec>=0) && (alarmTime.tm_sec<60)) {
brunofgc 0:1c0a769988ee 130 LPC_RTC->ALSEC = alarmTime.tm_sec;
brunofgc 0:1c0a769988ee 131 LPC_RTC->AMR &= ~1;
brunofgc 0:1c0a769988ee 132 } else
brunofgc 0:1c0a769988ee 133 LPC_RTC->AMR |= 1;
brunofgc 0:1c0a769988ee 134
brunofgc 0:1c0a769988ee 135 if ((alarmTime.tm_min>=0) && (alarmTime.tm_min<60)) {
brunofgc 0:1c0a769988ee 136 LPC_RTC->ALMIN = alarmTime.tm_min;
brunofgc 0:1c0a769988ee 137 LPC_RTC->AMR &= ~2;
brunofgc 0:1c0a769988ee 138 } else
brunofgc 0:1c0a769988ee 139 LPC_RTC->AMR |= 2;
brunofgc 0:1c0a769988ee 140
brunofgc 0:1c0a769988ee 141 if ((alarmTime.tm_hour>=0) && (alarmTime.tm_hour<24)) {
brunofgc 0:1c0a769988ee 142 LPC_RTC->ALHOUR = alarmTime.tm_hour;
brunofgc 0:1c0a769988ee 143 LPC_RTC->AMR &= ~4;
brunofgc 0:1c0a769988ee 144 } else
brunofgc 0:1c0a769988ee 145 LPC_RTC->AMR |= 4;
brunofgc 0:1c0a769988ee 146
brunofgc 0:1c0a769988ee 147 if ((alarmTime.tm_mday>=1) && (alarmTime.tm_mday<32)) {
brunofgc 0:1c0a769988ee 148 LPC_RTC->ALDOM = alarmTime.tm_mday;
brunofgc 0:1c0a769988ee 149 LPC_RTC->AMR &= ~8;
brunofgc 0:1c0a769988ee 150 } else
brunofgc 0:1c0a769988ee 151 LPC_RTC->AMR |= 8;
brunofgc 0:1c0a769988ee 152
brunofgc 0:1c0a769988ee 153 if ((alarmTime.tm_wday>=0) && (alarmTime.tm_wday<7)) {
brunofgc 0:1c0a769988ee 154 LPC_RTC->ALDOW = alarmTime.tm_wday;
brunofgc 0:1c0a769988ee 155 LPC_RTC->AMR &= ~16;
brunofgc 0:1c0a769988ee 156 } else
brunofgc 0:1c0a769988ee 157 LPC_RTC->AMR |= 16;
brunofgc 0:1c0a769988ee 158
brunofgc 0:1c0a769988ee 159 if ((alarmTime.tm_yday>0) && (alarmTime.tm_yday<367)) {
brunofgc 0:1c0a769988ee 160 LPC_RTC->ALDOY = alarmTime.tm_yday;
brunofgc 0:1c0a769988ee 161 LPC_RTC->AMR &= ~32;
brunofgc 0:1c0a769988ee 162 } else
brunofgc 0:1c0a769988ee 163 LPC_RTC->AMR |= 32;
brunofgc 0:1c0a769988ee 164
brunofgc 0:1c0a769988ee 165 if ((alarmTime.tm_mon>=0) && (alarmTime.tm_mon<12)) {
brunofgc 0:1c0a769988ee 166 LPC_RTC->ALMON = alarmTime.tm_mon + 1; //Different definitions
brunofgc 0:1c0a769988ee 167 LPC_RTC->AMR &= ~64;
brunofgc 0:1c0a769988ee 168 } else
brunofgc 0:1c0a769988ee 169 LPC_RTC->AMR |= 64;
brunofgc 0:1c0a769988ee 170
brunofgc 0:1c0a769988ee 171 if ((alarmTime.tm_year>=0) && (alarmTime.tm_year<1000)) {
brunofgc 0:1c0a769988ee 172 LPC_RTC->ALYEAR = alarmTime.tm_year + 1900; //Different definitions
brunofgc 0:1c0a769988ee 173 LPC_RTC->AMR &= ~128;
brunofgc 0:1c0a769988ee 174 } else
brunofgc 0:1c0a769988ee 175 LPC_RTC->AMR |= 128;
brunofgc 0:1c0a769988ee 176
brunofgc 0:1c0a769988ee 177 //DOY and DOW register normally not set
brunofgc 0:1c0a769988ee 178 time_t t = time(NULL);
brunofgc 0:1c0a769988ee 179 LPC_RTC->DOY = localtime(&t)->tm_yday+1;
brunofgc 0:1c0a769988ee 180 LPC_RTC->DOW = localtime(&t)->tm_wday;
brunofgc 0:1c0a769988ee 181
brunofgc 0:1c0a769988ee 182 //We can always enable IRQs, since if all IRQs are disabled by the user the RTC hardware will never raise its IRQ flag anyway
brunofgc 0:1c0a769988ee 183 NVIC_EnableIRQ(RTC_IRQn);
brunofgc 0:1c0a769988ee 184 }
brunofgc 0:1c0a769988ee 185
brunofgc 0:1c0a769988ee 186 void RTC::alarmOff( void )
brunofgc 0:1c0a769988ee 187 {
brunofgc 0:1c0a769988ee 188 LPC_RTC->AMR = 255;
brunofgc 0:1c0a769988ee 189 alarmCB.attach(NULL);
brunofgc 0:1c0a769988ee 190 }
brunofgc 0:1c0a769988ee 191
brunofgc 0:1c0a769988ee 192
brunofgc 0:1c0a769988ee 193 void RTC::IRQHandler( void )
brunofgc 0:1c0a769988ee 194 {
brunofgc 0:1c0a769988ee 195 if ((LPC_RTC->ILR & 0x01) == 0x01) {
brunofgc 0:1c0a769988ee 196 //Attach interrupt
brunofgc 0:1c0a769988ee 197 attachCB[0].call();
brunofgc 0:1c0a769988ee 198
brunofgc 0:1c0a769988ee 199 //If seconds zero
brunofgc 0:1c0a769988ee 200 if (LPC_RTC->SEC == 0) {
brunofgc 0:1c0a769988ee 201 attachCB[1].call();
brunofgc 0:1c0a769988ee 202
brunofgc 0:1c0a769988ee 203 //If minutes zero
brunofgc 0:1c0a769988ee 204 if (LPC_RTC->MIN == 0) {
brunofgc 0:1c0a769988ee 205 attachCB[2].call();
brunofgc 0:1c0a769988ee 206
brunofgc 0:1c0a769988ee 207 //If hours zero
brunofgc 0:1c0a769988ee 208 if (LPC_RTC->HOUR == 0) {
brunofgc 0:1c0a769988ee 209 attachCB[3].call();
brunofgc 0:1c0a769988ee 210
brunofgc 0:1c0a769988ee 211 //If days zero
brunofgc 0:1c0a769988ee 212 if (LPC_RTC->DOM == 0) {
brunofgc 0:1c0a769988ee 213 attachCB[4].call();
brunofgc 0:1c0a769988ee 214
brunofgc 0:1c0a769988ee 215 //If month zero
brunofgc 0:1c0a769988ee 216 if (LPC_RTC->MONTH == 0)
brunofgc 0:1c0a769988ee 217 attachCB[5].call();
brunofgc 0:1c0a769988ee 218 }
brunofgc 0:1c0a769988ee 219 }
brunofgc 0:1c0a769988ee 220 }
brunofgc 0:1c0a769988ee 221 }
brunofgc 0:1c0a769988ee 222 }
brunofgc 0:1c0a769988ee 223
brunofgc 0:1c0a769988ee 224 if ((LPC_RTC->ILR & 0x02) == 0x02)
brunofgc 0:1c0a769988ee 225 alarmCB.call();
brunofgc 0:1c0a769988ee 226
brunofgc 0:1c0a769988ee 227
brunofgc 0:1c0a769988ee 228
brunofgc 0:1c0a769988ee 229 //Reset interrupt status
brunofgc 0:1c0a769988ee 230 LPC_RTC->ILR = 0x03;
brunofgc 0:1c0a769988ee 231 }
brunofgc 0:1c0a769988ee 232
brunofgc 0:1c0a769988ee 233 tm RTC::getDefaultTM( void ) {
brunofgc 0:1c0a769988ee 234 struct tm t;
brunofgc 0:1c0a769988ee 235 t.tm_sec = -1;
brunofgc 0:1c0a769988ee 236 t.tm_min = -1;
brunofgc 0:1c0a769988ee 237 t.tm_hour = -1;
brunofgc 0:1c0a769988ee 238 t.tm_mday = -1;
brunofgc 0:1c0a769988ee 239 t.tm_wday = -1;
brunofgc 0:1c0a769988ee 240 t.tm_yday = -1;
brunofgc 0:1c0a769988ee 241 t.tm_mon = -1;
brunofgc 0:1c0a769988ee 242 t.tm_year = -1;
brunofgc 0:1c0a769988ee 243
brunofgc 0:1c0a769988ee 244 return t;
brunofgc 0:1c0a769988ee 245 }