| 1 | #include "Time.h"
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| 2 | #include "main.h"
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| 3 | #include "i2c.h"
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| 4 | #include "cmsis_os.h"
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| 5 | #include "log_and_debug.h"
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| 6 |
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| 7 | #define TIMEOUT_RTC 2000
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| 8 |
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| 9 | //struct sntp_msg sntp_msg;
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| 10 | RealTimeClock_typeDef RealTimeClock = {0};
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| 11 | void vClockTask(void *param);
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| 12 |
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| 13 | uint8_t buff[8] = {0};
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| 14 | /*********************************************/
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| 15 | #define _XT_SIGNED
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| 16 | #define _TBIAS_DAYS ((70 * (uint32_t)365) + 17)
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| 17 | #define _TBIAS_SECS (_TBIAS_DAYS * (int32_t)86400)
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| 18 | #define _TBIAS_YEAR 1900
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| 19 | #define MONTAB(year) ((((year) & 03) || ((year) == 0)) ? mos : lmos)
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| 20 |
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| 21 | const int16_t lmos[] = {0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335};
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| 22 | const int16_t mos[] = {0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334};
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| 23 |
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| 24 | #define Daysto32(year, mon) (((year - 1) / 4) + MONTAB(year)[mon])
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| 25 |
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| 26 | void clock_init(void)
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| 27 | {
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| 28 | xTaskCreate(vClockTask, "ClockTask", 1024, NULL, osPriorityNormal, NULL); // priority: above normal
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| 29 | }
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| 30 |
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| 31 | int32_t time_to_unix(RealTimeClock_typeDef *t) // âîçâðàùàåò unixTime
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| 32 | {
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| 33 | int32_t days;
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| 34 | int32_t secs;
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| 35 | int32_t mon, year;
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| 36 |
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| 37 | mon = t->Data.Month - 1;
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| 38 | year = t->Data.Year - _TBIAS_YEAR;
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| 39 | days = Daysto32(year, mon) - 1;
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| 40 | days += 365 * year;
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| 41 | days += t->Data.Day;
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| 42 | days -= _TBIAS_DAYS;
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| 43 |
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| 44 | secs = 3600 * t->Time.Hour;
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| 45 | secs += 60 * t->Time.Min;
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| 46 | secs += t->Time.Sec;
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| 47 |
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| 48 | secs += (days * (int32_t)86400);
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| 49 |
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| 50 | return (secs);
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| 51 | }
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| 52 |
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| 53 | void unix_to_time(RealTimeClock_typeDef *t, int32_t secsarg)
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| 54 | {
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| 55 | uint32_t secs;
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| 56 | int32_t days;
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| 57 | int32_t mon;
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| 58 | int32_t year;
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| 59 | int32_t i;
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| 60 | const int16_t* pm;
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| 61 |
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| 62 | #ifdef _XT_SIGNED
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| 63 | if (secsarg >= 0) {
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| 64 | secs = (uint32_t)secsarg;
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| 65 | days = _TBIAS_DAYS;
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| 66 | } else {
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| 67 | secs = (uint32_t)secsarg + _TBIAS_SECS;
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| 68 | days = 0;
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| 69 | }
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| 70 | #else
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| 71 | secs = secsarg;
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| 72 | days = _TBIAS_DAYS;
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| 73 | #endif
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| 74 |
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| 75 | days += secs / 86400;
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| 76 | secs = secs % 86400;
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| 77 | t->Time.Hour = secs / 3600;
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| 78 | secs %= 3600;
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| 79 | t->Time.Min = secs / 60;
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| 80 | t->Time.Sec = secs % 60;
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| 81 |
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| 82 | for (year = days / 365; days < (i = Daysto32(year, 0) + 365*year); ) { --year; }
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| 83 | days -= i;
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| 84 | t->Data.Year = year + _TBIAS_YEAR;
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| 85 |
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| 86 | pm = MONTAB(year);
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| 87 | for (mon = 12; days < pm[--mon]; );
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| 88 | t->Data.Month = mon + 1;
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| 89 | t->Data.Day= days - pm[mon] + 1;
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| 90 | }
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| 91 |
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| 92 | uint8_t ErrBus_RTC(HAL_StatusTypeDef stat)
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| 93 | {
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| 94 | if(stat != HAL_OK){
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| 95 | if((stat == HAL_BUSY) && (hi2c1.Instance->SR2 & I2C_SR2_BUSY)){ // øèíà çàíÿòà
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| 96 | MX_I2C1_Init(); // øèíà çàíÿòà, ïåðåèíèöèàëèçèðóåì èíòåðôåéñ
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| 97 | }
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| 98 | else if(hi2c1.Instance->SR1 & 0x1F00){ // îùèáêà øèíû ïî timeout
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| 99 | hi2c1.Instance->CR1 &= ~I2C_CR1_PE;
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| 100 | osDelay(1);
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| 101 | hi2c1.Instance->CR1 |= I2C_CR1_PE;
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| 102 | }
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| 103 | return 0;
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| 104 | }
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| 105 | return 1;
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| 106 | }
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| 107 |
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| 108 | uint8_t SetDisable_RTC(void)
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| 109 | {
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| 110 | buff[0] = 0x01;
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| 111 | buff[1] = 0x80;
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| 112 | if(!ErrBus_RTC(HAL_I2C_Master_Transmit(&hi2c1, M41T82_ADDR, buff, 2, TIMEOUT_RTC))) return 0; // åñëè áûëà îøèáêà ïî ïåðåäà÷å
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| 113 | return 1;
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| 114 | }
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| 115 |
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| 116 | uint8_t isEnable_RTC(void)
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| 117 | {
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| 118 | buff[0] = 0x01;
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| 119 | if(!ErrBus_RTC(HAL_I2C_Master_Transmit(&hi2c1, M41T82_ADDR, buff, 1, TIMEOUT_RTC))) return 0; // åñëè áûëà îøèáêà ïî ïåðåäà÷å
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| 120 | if(!ErrBus_RTC(HAL_I2C_Master_Receive(&hi2c1, M41T82_ADDR, buff, 1, TIMEOUT_RTC))) return 0; // åñëè áûëà îøèáêà ïî ïðèåìó
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| 121 | return (buff[0] & 0x80) ? 0: 1;
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| 122 | }
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| 123 |
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| 124 | uint8_t SetEnable_RTC(void)
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| 125 | {
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| 126 | if(!isEnable_RTC()){
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| 127 | buff[0] = 0x01;
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| 128 | buff[1] = 0x00;
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| 129 | if(!ErrBus_RTC(HAL_I2C_Master_Transmit(&hi2c1, M41T82_ADDR, buff, 2, TIMEOUT_RTC))) return 0; // åñëè áûëà îøèáêà ïî ïåðåäà÷å
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| 130 | }
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| 131 |
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| 132 | buff[0] = 0x08; // âû÷èòûâàåì ðåãèñòð, ÷òî áû óçíàòü âêëþ÷åí ëè áèò FT
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| 133 | if(!ErrBus_RTC(HAL_I2C_Master_Transmit(&hi2c1, M41T82_ADDR, buff, 1, TIMEOUT_RTC))) return 0; // åñëè áûëà îøèáêà ïî ïåðåäà÷å
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| 134 | if(!ErrBus_RTC(HAL_I2C_Master_Receive(&hi2c1, M41T82_ADDR, buff, 1, TIMEOUT_RTC))) return 0; // åñëè áûëà îøèáêà ïî ïðèåìó
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| 135 |
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| 136 | if(!(buff[0] & (1 << 6))){
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| 137 | buff[1] = buff[0] | (1 << 6);
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| 138 | buff[0] = 0x08; /* âêëþ÷àåì áèò FT äëÿ èçìåðåíèÿ ÷àñòîòû */
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| 139 | if(!ErrBus_RTC(HAL_I2C_Master_Transmit(&hi2c1, M41T82_ADDR, buff, 2, TIMEOUT_RTC))) return 0; // åñëè áûëà îøèáêà ïî ïåðåäà÷å
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| 140 | }
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| 141 |
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| 142 | return 1;
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| 143 | }
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| 144 |
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| 145 | void ClearBitHT_RTC(void)
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| 146 | {
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| 147 | buff[0] = 0x0C;
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| 148 | buff[1] = 0x00;
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| 149 | ErrBus_RTC(HAL_I2C_Master_Transmit(&hi2c1, M41T82_ADDR, buff, 2, TIMEOUT_RTC)); // ïðîâåðÿåì íå áûëî ëè îøèáîê ïî øèíå
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| 150 | }
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| 151 |
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| 152 | uint8_t SetCurrent_RTC(RealTimeClock_typeDef *ptrClock)
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| 153 | {
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| 154 | uint8_t Century = 0;
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| 155 | Century = ((ptrClock->Data.Year - 2000) / 100);
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| 156 |
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| 157 | buff[0] = 0x01;
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| 158 | buff[1] = (((ptrClock->Time.Sec / 10) << 4) | (ptrClock->Time.Sec % 10)) & 0x7F;
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| 159 | buff[2] = (((ptrClock->Time.Min / 10) << 4) | (ptrClock->Time.Min % 10)) & 0x7F;
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| 160 | buff[3] = ((((ptrClock->Time.Hour / 10) << 4) | (ptrClock->Time.Hour % 10)) & 0x3F) | (Century << 6); // + âåê
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| 161 | if(!ErrBus_RTC(HAL_I2C_Master_Transmit(&hi2c1, M41T82_ADDR, buff, 4, TIMEOUT_RTC))) return 0; // åñëè áûëà îøèáêà ïåðåäà÷è
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| 162 |
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| 163 | buff[0] = 0x05;
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| 164 | buff[1] = (((ptrClock->Data.Day / 10) << 4) | (ptrClock->Data.Day % 10)) & 0x3F;
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| 165 | buff[2] = (((ptrClock->Data.Month / 10) << 4) | (ptrClock->Data.Month % 10)) & 0x1F;
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| 166 | buff[3] = ((((ptrClock->Data.Year - 2000) - (Century * 100)) / 10) << 4) | (((ptrClock->Data.Year - 2000) - (Century * 100)) % 10); //(((ptrClock->Data.Year - Century * 1000) / 10) << 4) | ((ptrClock->Data.Year - Century * 1000) % 10);
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| 167 | return ErrBus_RTC(HAL_I2C_Master_Transmit(&hi2c1, M41T82_ADDR, buff, 4, TIMEOUT_RTC));
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| 168 | }
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| 169 |
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| 170 | uint8_t GetCurrent_RTC(RealTimeClock_typeDef *ptrClock) // òóò æå ïðî÷èòàòü ôëàãè
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| 171 | {
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| 172 | if(ptrClock->Flags.OSC_FAIL){ // åñëè ïðè ïðåäûäóùåì ÷òåíèè áûë óñòàíîâëåí ôëàã
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| 173 | buff[1] = buff[0] & ~0x04;
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| 174 | buff[0] = 0x0F;
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| 175 | if(!ErrBus_RTC(HAL_I2C_Master_Transmit(&hi2c1, M41T82_ADDR, buff, 2, TIMEOUT_RTC))) return 0; // åñëè áûëà îøèáêà ïî ïåðåäà÷å
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| 176 | }
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| 177 |
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| 178 | buff[0] = 0x01; // ÷èòàåì ñ ðåãèñòðà 0
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| 179 | if(!ErrBus_RTC(HAL_I2C_Master_Transmit(&hi2c1, M41T82_ADDR, buff, 1, TIMEOUT_RTC))) return 0; // åñëè áûëà îøèáêà ïî ïåðåäà÷å
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| 180 | if(!ErrBus_RTC(HAL_I2C_Master_Receive(&hi2c1, M41T82_ADDR, buff, 7, TIMEOUT_RTC))) return 0; // åñëè áûëà îøèáêà ïî ïðèåìó
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| 181 |
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| 182 | ptrClock->Time.Sec = (((buff[0] & 0x70) >> 4) * 10) + (buff[0] & 0x0F);
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| 183 | ptrClock->Time.Min = (((buff[1] & 0x70) >> 4) * 10) + (buff[1] & 0x0F);
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| 184 | ptrClock->Time.Hour = (((buff[2] & 0x30) >> 4) * 10) + (buff[2] & 0x0F);
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| 185 |
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| 186 | ptrClock->Data.Day = (((buff[4] & 0x30) >> 4) * 10) + (buff[4] & 0x0F);
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| 187 | ptrClock->Data.Month = (((buff[5] & 0x10) >> 4) * 10) + (buff[5] & 0x0F);
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| 188 |
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| 189 | ptrClock->Data.Year = ((((buff[2] & 0xC0) >> 6) * 100) + 2000) + ((((buff[6] & 0xF0) >> 4) * 10) + (buff[6] & 0x0F));
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| 190 |
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| 191 | buff[0] = 0x0F;
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| 192 | if(!ErrBus_RTC(HAL_I2C_Master_Transmit(&hi2c1, M41T82_ADDR, buff, 1, TIMEOUT_RTC))) return 0; // åñëè áûëà îøèáêà ïî ïåðåäà÷å
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| 193 | if(!ErrBus_RTC(HAL_I2C_Master_Receive(&hi2c1, M41T82_ADDR, buff, 1, TIMEOUT_RTC))) return 0; // åñëè áûëà îøèáêà ïî ïðèåìó
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| 194 |
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| 195 | ptrClock->Flags.WDT = (buff[0] & 0x80) ? 1 : 0;
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| 196 | ptrClock->Flags.ALR = ((buff[0] & 0x60) >> 5);
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| 197 | ptrClock->Flags.BAT_LOW = (buff[0] & 0x10) ? 1 : 0;
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| 198 | ptrClock->Flags.TMR = (buff[0] & 0x08) ? 1 : 0;
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| 199 | ptrClock->Flags.OSC_FAIL = (buff[0] & 0x04) ? 1 : 0;
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| 200 |
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| 201 | return 1;
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| 202 | }
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| 203 |
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| 204 | void SetCorrection_RTC(RealTimeClock_typeDef *ptrClock, int8_t corr)
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| 205 | {
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| 206 | buff[0] = 0x12;
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| 207 | if(corr > 0) buff[1] = (corr | 0x80);
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| 208 | else buff[1] = ~(corr);
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| 209 | ptrClock->Correction = corr;
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| 210 | if(!ErrBus_RTC(HAL_I2C_Master_Transmit(&hi2c1, M41T82_ADDR, buff, 2, TIMEOUT_RTC))) return;
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| 211 | }
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| 212 |
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| 213 | void GetCorrection_RTC(RealTimeClock_typeDef *ptrClock)
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| 214 | {
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| 215 | uint8_t correction;
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| 216 | buff[0] = 0x12;
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| 217 | if(!ErrBus_RTC(HAL_I2C_Master_Transmit(&hi2c1, M41T82_ADDR, buff, 1, TIMEOUT_RTC))) return; // åñëè áûëà îøèáêà ïî ïåðåäà÷å
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| 218 | if(!ErrBus_RTC(HAL_I2C_Master_Receive(&hi2c1, M41T82_ADDR, &correction, 1, TIMEOUT_RTC))) return; // åñëè áûëà îøèáêà ïî ïðèåìó
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| 219 | if(correction & 0x80) correction &= ~0x80;
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| 220 | else correction = ~(correction);
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| 221 | ptrClock->Correction = correction;
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| 222 | }
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| 223 |
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| 224 | void set_system_time_NTP(uint32_t sec)
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| 225 | {
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| 226 | RealTimeClock_typeDef t;
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| 227 | unix_to_time(&t, sec);
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| 228 | SetCurrent_RTC(&t);
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| 229 | }
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| 230 |
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| 231 | void get_system_time_NTP(int32_t *sec, uint32_t *msec)
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| 232 | {
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| 233 | *sec = time_to_unix(&RealTimeClock);
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| 234 | }
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| 235 |
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| 236 | /* CLOCK TASK ------------------------------------------------------------------------------ */
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| 237 | void vClockTask(void *param)
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| 238 | {
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| 239 | _Bool prevFlag_BAT_LOW = 0, prevFlag_OSC_FAIL = 0;
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| 240 |
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| 241 | MX_I2C1_Init();
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| 242 |
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| 243 | if(SetEnable_RTC()) __debug(DEBUG_SERVSE,"RTC: is running\r\n");
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| 244 |
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| 245 | GetCorrection_RTC(&RealTimeClock);
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| 246 | ClearBitHT_RTC();
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| 247 |
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| 248 | GetCurrent_RTC(&RealTimeClock);
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| 249 |
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| 250 | if((RealTimeClock.Data.Month == 0x00) || (RealTimeClock.Data.Day == 0x00) || (RealTimeClock.Data.Year == 0x0000)) { // åñëè ìàñÿö äåíü èëè ãîä íå âàëèäíûé
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| 251 | RealTimeClock_typeDef t = {0x00, {1, 1, 2000}, {0, 0, 0, 0}};
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| 252 | SetCurrent_RTC(&t);// óñòàíàâëèâàåì 01.01.2000
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| 253 | GetCurrent_RTC(&RealTimeClock);
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| 254 | }
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| 255 | __debug(DEBUG_SERVSE, "RTC: Data: %02d.%02d.%04d, Time: %02d:%02d:%02d\r\n", RealTimeClock.Data.Day, RealTimeClock.Data.Month, RealTimeClock.Data.Year, RealTimeClock.Time.Hour, RealTimeClock.Time.Min, RealTimeClock.Time.Sec);
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| 256 |
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| 257 | for(;;){
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| 258 | osDelay(1000);
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| 259 |
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| 260 | GetCurrent_RTC(&RealTimeClock);
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| 261 |
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| 262 | if((RealTimeClock.Flags.BAT_LOW) && (RealTimeClock.Flags.BAT_LOW != prevFlag_BAT_LOW)) {
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| 263 | __debug(DEBUG_SERVSE,"RTC: Battery low\r\n");
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| 264 | __logWrite("RTC: Battery low\n");
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| 265 | prevFlag_BAT_LOW = 1;
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| 266 | }
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| 267 | else if((!RealTimeClock.Flags.BAT_LOW) && (RealTimeClock.Flags.BAT_LOW != prevFlag_BAT_LOW)) prevFlag_BAT_LOW = 0;
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| 268 |
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| 269 | if((RealTimeClock.Flags.OSC_FAIL) && (RealTimeClock.Flags.OSC_FAIL != prevFlag_OSC_FAIL)) {
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| 270 | __debug(DEBUG_SERVSE,"RTC: OSC fail\r\n");
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| 271 | prevFlag_OSC_FAIL = 1;
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| 272 | }
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| 273 | else if((!RealTimeClock.Flags.OSC_FAIL) && (RealTimeClock.Flags.OSC_FAIL != prevFlag_OSC_FAIL)) prevFlag_OSC_FAIL = 0;
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| 274 |
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| 275 | }
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| 276 | }
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| 277 |
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