| Line | Branch | Decision | Exec | Source |
|---|---|---|---|---|
| 1 | /** | |||
| 2 | * @file rtc_helper.cpp | |||
| 3 | * @brief Real Time Clock helper | |||
| 4 | * | |||
| 5 | * @date Feb 5, 2014 | |||
| 6 | * @author Andrey Belomutskiy, (c) 2012-2020 | |||
| 7 | */ | |||
| 8 | ||||
| 9 | #include "pch.h" | |||
| 10 | ||||
| 11 | #include <string.h> | |||
| 12 | ||||
| 13 | #include "rtc_helper.h" | |||
| 14 | ||||
| 15 | #if EFI_RTC | |||
| 16 | #include "rusefi_types.h" | |||
| 17 | #endif // EFI_RTC | |||
| 18 | ||||
| 19 | #if EFI_PROD_CODE | |||
| 20 | #include <sys/time.h> | |||
| 21 | ||||
| 22 | // Lua needs this function, but we don't necessarily have to implement it | |||
| 23 | extern "C" int _gettimeofday(timeval* tv, void* tzvp) { | |||
| 24 | (void)tv; (void)tzvp; | |||
| 25 | return 0; | |||
| 26 | } | |||
| 27 | #endif // EFI_PROD_CODE | |||
| 28 | ||||
| 29 | #if EFI_RTC | |||
| 30 | ||||
| 31 | void PUBLIC_API_WEAK hal_lld_rtc_fixup(void) { | |||
| 32 | /* nop */ | |||
| 33 | } | |||
| 34 | ||||
| 35 | void initRtc() { | |||
| 36 | efiPrintf("initRtc()"); | |||
| 37 | hal_lld_rtc_fixup(); | |||
| 38 | printDateTime(); // this would test RTC, see #311 | |||
| 39 | } | |||
| 40 | ||||
| 41 | static const char * const monthAbbrs[] = { | |||
| 42 | "Jan", "Feb", "Mar", | |||
| 43 | "Apr", "May", "Jun", | |||
| 44 | "Jul", "Aug", "Sep", | |||
| 45 | "Oct", "Nov", "Dec" | |||
| 46 | }; | |||
| 47 | ||||
| 48 | void printRtcDateTime() { | |||
| 49 | efidatetime_t dateTime = getRtcDateTime(); | |||
| 50 | // prints the date like: 19 sep 2022 21:19:55 | |||
| 51 | efiPrintf("Current RTC time: %02u %s %04lu %02u:%02u:%02u", | |||
| 52 | dateTime.day, monthAbbrs[dateTime.month - 1], dateTime.year, | |||
| 53 | dateTime.hour, dateTime.minute, dateTime.second); | |||
| 54 | } | |||
| 55 | ||||
| 56 | void setRtcDateTime(efidatetime_t const * const dateTime) { | |||
| 57 | RTCDateTime timespec = convertRtcDateTimeFromEfi(dateTime); | |||
| 58 | rtcSetTime(&RTCD1, ×pec); | |||
| 59 | } | |||
| 60 | ||||
| 61 | static time_t rtc_encode(const RTCDateTime *timespec) { | |||
| 62 | struct tm tim; | |||
| 63 | ||||
| 64 | // todo: looks like this pulls a lot of library code? 4K+? | |||
| 65 | // todo: reimplement lighter? https://github.com/rusefi/rusefi/issues/6876 | |||
| 66 | rtcConvertDateTimeToStructTm(timespec, &tim, NULL); | |||
| 67 | return mktime(&tim); | |||
| 68 | } | |||
| 69 | ||||
| 70 | uint32_t getEpochTime() { | |||
| 71 | RTCDateTime timespec; | |||
| 72 | rtcGetTime(&RTCD1, ×pec); | |||
| 73 | return rtc_encode(×pec); | |||
| 74 | } | |||
| 75 | ||||
| 76 | efidatetime_t getRtcDateTime() { | |||
| 77 | RTCDateTime timespec; | |||
| 78 | rtcGetTime(&RTCD1, ×pec); | |||
| 79 | return convertRtcDateTimeToEfi(×pec); | |||
| 80 | } | |||
| 81 | ||||
| 82 | efidatetime_t convertRtcDateTimeToEfi(RTCDateTime const * const timespec) { | |||
| 83 | uint32_t second = timespec->millisecond / 1000; | |||
| 84 | uint16_t minute = second / 60; | |||
| 85 | second -= minute * 60; | |||
| 86 | uint8_t hour = minute / 60; | |||
| 87 | minute -= hour * 60; | |||
| 88 | ||||
| 89 | efidatetime_t const dateTime = { | |||
| 90 | .year = timespec->year + RTC_BASE_YEAR, | |||
| 91 | .month = (uint8_t)timespec->month, | |||
| 92 | .day = (uint8_t)timespec->day, | |||
| 93 | .hour = hour, | |||
| 94 | .minute = (uint8_t)minute, | |||
| 95 | .second = (uint8_t)second, | |||
| 96 | }; | |||
| 97 | return dateTime; | |||
| 98 | } | |||
| 99 | ||||
| 100 | RTCDateTime convertRtcDateTimeFromEfi(efidatetime_t const * const dateTime) { | |||
| 101 | RTCDateTime timespec; | |||
| 102 | timespec.year = dateTime->year - RTC_BASE_YEAR; // ChibiOS year origin is e.g. 1980 | |||
| 103 | timespec.month = dateTime->month; // [1..12] | |||
| 104 | timespec.day = dateTime->day; // [1..31] | |||
| 105 | timespec.millisecond = (((dateTime->hour * 60) + dateTime->minute) * 60 + dateTime->second) * 1000; // ms since midnight | |||
| 106 | timespec.dayofweek = RTC_DAY_CATURDAY; // CATURDAY: 0 ... ? | |||
| 107 | timespec.dstflag = 0; // 0 ... ? | |||
| 108 | return timespec; | |||
| 109 | } | |||
| 110 | ||||
| 111 | // TODO(nms): move to e.g. efitime ? | |||
| 112 | ||||
| 113 | static void putTwoSymbolDecimal(int offset, char *destination, int value) { | |||
| 114 | static char buff[_MAX_FILLER]; | |||
| 115 | efiAssertVoid(ObdCode::CUSTOM_ERR_6666, value >=0 && value <100, "value"); | |||
| 116 | itoa10(buff, value); | |||
| 117 | if (value < 10) { | |||
| 118 | destination[offset] = '0'; | |||
| 119 | destination[offset + 1] = buff[0]; | |||
| 120 | } else { | |||
| 121 | destination[offset] = buff[0]; | |||
| 122 | destination[offset + 1] = buff[1]; | |||
| 123 | } | |||
| 124 | } | |||
| 125 | #endif // EFI_RTC | |||
| 126 | ||||
| 127 | ||||
| 128 | /** | |||
| 129 | * @return true if we seem to know current date, false if no valid RTC state | |||
| 130 | */ | |||
| 131 | ✗ | bool dateToStringShort(char *destination) { | ||
| 132 | #if EFI_RTC | |||
| 133 | strcpy(destination, "000000_000000\0"); | |||
| 134 | efidatetime_t dateTime = getRtcDateTime(); | |||
| 135 | if (dateTime.year < 2016 || dateTime.year > 2030) { | |||
| 136 | // 2016 to 2030 is the valid range | |||
| 137 | destination[0] = 0; | |||
| 138 | return false; | |||
| 139 | } | |||
| 140 | ||||
| 141 | putTwoSymbolDecimal(0, destination, dateTime.year % 100); // year, format as just the last two digits | |||
| 142 | putTwoSymbolDecimal(2, destination, dateTime.month); // month 1-12 | |||
| 143 | putTwoSymbolDecimal(4, destination, dateTime.day); // day of the month 1-31 | |||
| 144 | ||||
| 145 | putTwoSymbolDecimal(7, destination, dateTime.hour); // hours since midnight 0-23 | |||
| 146 | putTwoSymbolDecimal(9, destination, dateTime.minute); // minutes | |||
| 147 | putTwoSymbolDecimal(11, destination, dateTime.second); // seconds | |||
| 148 | ||||
| 149 | return true; | |||
| 150 | #else // EFI_RTC | |||
| 151 | ✗ | destination[0] = 0; | ||
| 152 | ✗ | return false; | ||
| 153 | #endif // EFI_RTC | |||
| 154 | } | |||
| 155 | ||||
| 156 | /* | |||
| 157 | void dateToString(char *destination) { | |||
| 158 | #if EFI_RTC | |||
| 159 | // todo: | |||
| 160 | // re-implement this along the lines of chvprintf("%04u-%02u-%02u %02u:%02u:%02u\r\n", timp.tm_year + 1900, timp.tm_mon + 1, timp.tm_mday, timp.tm_hour, | |||
| 161 | // timp.tm_min, timp.tm_sec); | |||
| 162 | // this would require a temporary mem stream - see datalogging and other existing usages | |||
| 163 | ||||
| 164 | strcpy(destination, "00/00 00:00:00\0"); | |||
| 165 | efidatetime_t dateTime = getRtcDateTime(); | |||
| 166 | ||||
| 167 | putTwoSymbolDecimal(0, destination, dateTime.month); | |||
| 168 | putTwoSymbolDecimal(3, destination, dateTime.day); | |||
| 169 | putTwoSymbolDecimal(6, destination, dateTime.hour); | |||
| 170 | putTwoSymbolDecimal(9, destination, dateTime.minute); | |||
| 171 | putTwoSymbolDecimal(12, destination, dateTime.second); | |||
| 172 | #else // EFI_RTC | |||
| 173 | destination[0] = 0; | |||
| 174 | #endif // EFI_RTC | |||
| 175 | } | |||
| 176 | */ | |||
| 177 |