mirror of
https://github.com/DarkFlippers/unleashed-firmware
synced 2024-11-30 16:29:12 +00:00
412 lines
13 KiB
C
412 lines
13 KiB
C
#include <furi_hal_rtc.h>
|
|
#include <furi_hal_light.h>
|
|
#include <furi_hal_debug.h>
|
|
|
|
#include <stm32wbxx_ll_bus.h>
|
|
#include <stm32wbxx_ll_pwr.h>
|
|
#include <stm32wbxx_ll_rcc.h>
|
|
#include <stm32wbxx_ll_rtc.h>
|
|
#include <stm32wbxx_ll_utils.h>
|
|
|
|
#include <furi.h>
|
|
|
|
#define TAG "FuriHalRtc"
|
|
|
|
#define FURI_HAL_RTC_LSE_STARTUP_TIME 300
|
|
|
|
#define FURI_HAL_RTC_CLOCK_IS_READY() (LL_RCC_LSE_IsReady() && LL_RCC_LSI1_IsReady())
|
|
|
|
#define FURI_HAL_RTC_HEADER_MAGIC 0x10F1
|
|
#define FURI_HAL_RTC_HEADER_VERSION 0
|
|
|
|
typedef struct {
|
|
uint16_t magic;
|
|
uint8_t version;
|
|
uint8_t unused;
|
|
} FuriHalRtcHeader;
|
|
|
|
typedef struct {
|
|
uint8_t log_level : 4;
|
|
uint8_t log_reserved : 4;
|
|
uint8_t flags;
|
|
FuriHalRtcBootMode boot_mode : 4;
|
|
FuriHalRtcHeapTrackMode heap_track_mode : 2;
|
|
FuriHalRtcLocaleUnits locale_units : 1;
|
|
FuriHalRtcLocaleTimeFormat locale_timeformat : 1;
|
|
FuriHalRtcLocaleDateFormat locale_dateformat : 2;
|
|
uint8_t reserved : 6;
|
|
} SystemReg;
|
|
|
|
_Static_assert(sizeof(SystemReg) == 4, "SystemReg size mismatch");
|
|
|
|
#define FURI_HAL_RTC_SECONDS_PER_MINUTE 60
|
|
#define FURI_HAL_RTC_SECONDS_PER_HOUR (FURI_HAL_RTC_SECONDS_PER_MINUTE * 60)
|
|
#define FURI_HAL_RTC_SECONDS_PER_DAY (FURI_HAL_RTC_SECONDS_PER_HOUR * 24)
|
|
#define FURI_HAL_RTC_MONTHS_COUNT 12
|
|
#define FURI_HAL_RTC_EPOCH_START_YEAR 1970
|
|
#define FURI_HAL_RTC_IS_LEAP_YEAR(year) \
|
|
((((year) % 4 == 0) && ((year) % 100 != 0)) || ((year) % 400 == 0))
|
|
|
|
static const uint8_t furi_hal_rtc_days_per_month[][FURI_HAL_RTC_MONTHS_COUNT] = {
|
|
{31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31},
|
|
{31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}};
|
|
|
|
static const uint16_t furi_hal_rtc_days_per_year[] = {365, 366};
|
|
|
|
static void furi_hal_rtc_reset() {
|
|
LL_RCC_ForceBackupDomainReset();
|
|
LL_RCC_ReleaseBackupDomainReset();
|
|
}
|
|
|
|
static bool furi_hal_rtc_start_clock_and_switch() {
|
|
// Clock operation require access to Backup Domain
|
|
LL_PWR_EnableBkUpAccess();
|
|
|
|
// Enable LSI and LSE
|
|
LL_RCC_LSI1_Enable();
|
|
LL_RCC_LSE_SetDriveCapability(LL_RCC_LSEDRIVE_HIGH);
|
|
LL_RCC_LSE_Enable();
|
|
|
|
// Wait for LSI and LSE startup
|
|
uint32_t c = 0;
|
|
while(!FURI_HAL_RTC_CLOCK_IS_READY() && c < FURI_HAL_RTC_LSE_STARTUP_TIME) {
|
|
LL_mDelay(1);
|
|
c++;
|
|
}
|
|
|
|
if(FURI_HAL_RTC_CLOCK_IS_READY()) {
|
|
LL_RCC_SetRTCClockSource(LL_RCC_RTC_CLKSOURCE_LSE);
|
|
LL_RCC_EnableRTC();
|
|
return LL_RCC_GetRTCClockSource() == LL_RCC_RTC_CLKSOURCE_LSE;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
static void furi_hal_rtc_recover() {
|
|
FuriHalRtcDateTime datetime = {0};
|
|
|
|
// Handle fixable LSE failure
|
|
if(LL_RCC_LSE_IsCSSDetected()) {
|
|
furi_hal_light_sequence("rgb B");
|
|
// Shutdown LSE and LSECSS
|
|
LL_RCC_LSE_DisableCSS();
|
|
LL_RCC_LSE_Disable();
|
|
} else {
|
|
furi_hal_light_sequence("rgb R");
|
|
}
|
|
|
|
// Temporary switch to LSI
|
|
LL_RCC_SetRTCClockSource(LL_RCC_RTC_CLKSOURCE_LSI);
|
|
if(LL_RCC_GetRTCClockSource() == LL_RCC_RTC_CLKSOURCE_LSI) {
|
|
// Get datetime before RTC Domain reset
|
|
furi_hal_rtc_get_datetime(&datetime);
|
|
}
|
|
|
|
// Reset RTC Domain
|
|
furi_hal_rtc_reset();
|
|
|
|
// Start Clock
|
|
if(!furi_hal_rtc_start_clock_and_switch()) {
|
|
// Plan C: reset RTC and restart
|
|
furi_hal_light_sequence("rgb R.r.R.r.R.r");
|
|
furi_hal_rtc_reset();
|
|
NVIC_SystemReset();
|
|
}
|
|
|
|
// Set date if it valid
|
|
if(datetime.year != 0) {
|
|
furi_hal_rtc_set_datetime(&datetime);
|
|
}
|
|
}
|
|
|
|
void furi_hal_rtc_init_early() {
|
|
// Enable RTCAPB clock
|
|
LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_RTCAPB);
|
|
|
|
// Prepare clock
|
|
if(!furi_hal_rtc_start_clock_and_switch()) {
|
|
// Plan B: try to recover
|
|
furi_hal_rtc_recover();
|
|
}
|
|
|
|
// Verify header register
|
|
uint32_t data_reg = furi_hal_rtc_get_register(FuriHalRtcRegisterHeader);
|
|
FuriHalRtcHeader* data = (FuriHalRtcHeader*)&data_reg;
|
|
if(data->magic != FURI_HAL_RTC_HEADER_MAGIC || data->version != FURI_HAL_RTC_HEADER_VERSION) {
|
|
// Reset all our registers to ensure consistency
|
|
for(size_t i = 0; i < FuriHalRtcRegisterMAX; i++) {
|
|
furi_hal_rtc_set_register(i, 0);
|
|
}
|
|
data->magic = FURI_HAL_RTC_HEADER_MAGIC;
|
|
data->version = FURI_HAL_RTC_HEADER_VERSION;
|
|
furi_hal_rtc_set_register(FuriHalRtcRegisterHeader, data_reg);
|
|
}
|
|
|
|
if(furi_hal_rtc_is_flag_set(FuriHalRtcFlagDebug)) {
|
|
furi_hal_debug_enable();
|
|
} else {
|
|
furi_hal_debug_disable();
|
|
}
|
|
}
|
|
|
|
void furi_hal_rtc_deinit_early() {
|
|
}
|
|
|
|
void furi_hal_rtc_init() {
|
|
LL_RTC_InitTypeDef RTC_InitStruct;
|
|
RTC_InitStruct.HourFormat = LL_RTC_HOURFORMAT_24HOUR;
|
|
RTC_InitStruct.AsynchPrescaler = 127;
|
|
RTC_InitStruct.SynchPrescaler = 255;
|
|
LL_RTC_Init(RTC, &RTC_InitStruct);
|
|
|
|
furi_log_set_level(furi_hal_rtc_get_log_level());
|
|
|
|
FURI_LOG_I(TAG, "Init OK");
|
|
}
|
|
|
|
uint32_t furi_hal_rtc_get_register(FuriHalRtcRegister reg) {
|
|
return LL_RTC_BAK_GetRegister(RTC, reg);
|
|
}
|
|
|
|
void furi_hal_rtc_set_register(FuriHalRtcRegister reg, uint32_t value) {
|
|
LL_RTC_BAK_SetRegister(RTC, reg, value);
|
|
}
|
|
|
|
void furi_hal_rtc_set_log_level(uint8_t level) {
|
|
uint32_t data_reg = furi_hal_rtc_get_register(FuriHalRtcRegisterSystem);
|
|
SystemReg* data = (SystemReg*)&data_reg;
|
|
data->log_level = level;
|
|
furi_hal_rtc_set_register(FuriHalRtcRegisterSystem, data_reg);
|
|
furi_log_set_level(level);
|
|
}
|
|
|
|
uint8_t furi_hal_rtc_get_log_level() {
|
|
uint32_t data_reg = furi_hal_rtc_get_register(FuriHalRtcRegisterSystem);
|
|
SystemReg* data = (SystemReg*)&data_reg;
|
|
return data->log_level;
|
|
}
|
|
|
|
void furi_hal_rtc_set_flag(FuriHalRtcFlag flag) {
|
|
uint32_t data_reg = furi_hal_rtc_get_register(FuriHalRtcRegisterSystem);
|
|
SystemReg* data = (SystemReg*)&data_reg;
|
|
data->flags |= flag;
|
|
furi_hal_rtc_set_register(FuriHalRtcRegisterSystem, data_reg);
|
|
|
|
if(flag & FuriHalRtcFlagDebug) {
|
|
furi_hal_debug_enable();
|
|
}
|
|
}
|
|
|
|
void furi_hal_rtc_reset_flag(FuriHalRtcFlag flag) {
|
|
uint32_t data_reg = furi_hal_rtc_get_register(FuriHalRtcRegisterSystem);
|
|
SystemReg* data = (SystemReg*)&data_reg;
|
|
data->flags &= ~flag;
|
|
furi_hal_rtc_set_register(FuriHalRtcRegisterSystem, data_reg);
|
|
|
|
if(flag & FuriHalRtcFlagDebug) {
|
|
furi_hal_debug_disable();
|
|
}
|
|
}
|
|
|
|
bool furi_hal_rtc_is_flag_set(FuriHalRtcFlag flag) {
|
|
uint32_t data_reg = furi_hal_rtc_get_register(FuriHalRtcRegisterSystem);
|
|
SystemReg* data = (SystemReg*)&data_reg;
|
|
return data->flags & flag;
|
|
}
|
|
|
|
void furi_hal_rtc_set_boot_mode(FuriHalRtcBootMode mode) {
|
|
uint32_t data_reg = furi_hal_rtc_get_register(FuriHalRtcRegisterSystem);
|
|
SystemReg* data = (SystemReg*)&data_reg;
|
|
data->boot_mode = mode;
|
|
furi_hal_rtc_set_register(FuriHalRtcRegisterSystem, data_reg);
|
|
}
|
|
|
|
FuriHalRtcBootMode furi_hal_rtc_get_boot_mode() {
|
|
uint32_t data_reg = furi_hal_rtc_get_register(FuriHalRtcRegisterSystem);
|
|
SystemReg* data = (SystemReg*)&data_reg;
|
|
return data->boot_mode;
|
|
}
|
|
|
|
void furi_hal_rtc_set_heap_track_mode(FuriHalRtcHeapTrackMode mode) {
|
|
uint32_t data_reg = furi_hal_rtc_get_register(FuriHalRtcRegisterSystem);
|
|
SystemReg* data = (SystemReg*)&data_reg;
|
|
data->heap_track_mode = mode;
|
|
furi_hal_rtc_set_register(FuriHalRtcRegisterSystem, data_reg);
|
|
}
|
|
|
|
FuriHalRtcHeapTrackMode furi_hal_rtc_get_heap_track_mode() {
|
|
uint32_t data_reg = furi_hal_rtc_get_register(FuriHalRtcRegisterSystem);
|
|
SystemReg* data = (SystemReg*)&data_reg;
|
|
return data->heap_track_mode;
|
|
}
|
|
|
|
void furi_hal_rtc_set_locale_units(FuriHalRtcLocaleUnits value) {
|
|
uint32_t data_reg = furi_hal_rtc_get_register(FuriHalRtcRegisterSystem);
|
|
SystemReg* data = (SystemReg*)&data_reg;
|
|
data->locale_units = value;
|
|
furi_hal_rtc_set_register(FuriHalRtcRegisterSystem, data_reg);
|
|
}
|
|
|
|
FuriHalRtcLocaleUnits furi_hal_rtc_get_locale_units() {
|
|
uint32_t data_reg = furi_hal_rtc_get_register(FuriHalRtcRegisterSystem);
|
|
SystemReg* data = (SystemReg*)&data_reg;
|
|
return data->locale_units;
|
|
}
|
|
|
|
void furi_hal_rtc_set_locale_timeformat(FuriHalRtcLocaleTimeFormat value) {
|
|
uint32_t data_reg = furi_hal_rtc_get_register(FuriHalRtcRegisterSystem);
|
|
SystemReg* data = (SystemReg*)&data_reg;
|
|
data->locale_timeformat = value;
|
|
furi_hal_rtc_set_register(FuriHalRtcRegisterSystem, data_reg);
|
|
}
|
|
|
|
FuriHalRtcLocaleTimeFormat furi_hal_rtc_get_locale_timeformat() {
|
|
uint32_t data_reg = furi_hal_rtc_get_register(FuriHalRtcRegisterSystem);
|
|
SystemReg* data = (SystemReg*)&data_reg;
|
|
return data->locale_timeformat;
|
|
}
|
|
|
|
void furi_hal_rtc_set_locale_dateformat(FuriHalRtcLocaleDateFormat value) {
|
|
uint32_t data_reg = furi_hal_rtc_get_register(FuriHalRtcRegisterSystem);
|
|
SystemReg* data = (SystemReg*)&data_reg;
|
|
data->locale_dateformat = value;
|
|
furi_hal_rtc_set_register(FuriHalRtcRegisterSystem, data_reg);
|
|
}
|
|
|
|
FuriHalRtcLocaleDateFormat furi_hal_rtc_get_locale_dateformat() {
|
|
uint32_t data_reg = furi_hal_rtc_get_register(FuriHalRtcRegisterSystem);
|
|
SystemReg* data = (SystemReg*)&data_reg;
|
|
return data->locale_dateformat;
|
|
}
|
|
|
|
void furi_hal_rtc_set_datetime(FuriHalRtcDateTime* datetime) {
|
|
furi_assert(datetime);
|
|
|
|
/* Disable write protection */
|
|
LL_RTC_DisableWriteProtection(RTC);
|
|
|
|
/* Enter Initialization mode and wait for INIT flag to be set */
|
|
LL_RTC_EnableInitMode(RTC);
|
|
while(!LL_RTC_IsActiveFlag_INIT(RTC)) {
|
|
}
|
|
|
|
/* Set time */
|
|
LL_RTC_TIME_Config(
|
|
RTC,
|
|
LL_RTC_TIME_FORMAT_AM_OR_24,
|
|
__LL_RTC_CONVERT_BIN2BCD(datetime->hour),
|
|
__LL_RTC_CONVERT_BIN2BCD(datetime->minute),
|
|
__LL_RTC_CONVERT_BIN2BCD(datetime->second));
|
|
|
|
/* Set date */
|
|
LL_RTC_DATE_Config(
|
|
RTC,
|
|
datetime->weekday,
|
|
__LL_RTC_CONVERT_BIN2BCD(datetime->day),
|
|
__LL_RTC_CONVERT_BIN2BCD(datetime->month),
|
|
__LL_RTC_CONVERT_BIN2BCD(datetime->year - 2000));
|
|
|
|
/* Exit Initialization mode */
|
|
LL_RTC_DisableInitMode(RTC);
|
|
|
|
/* If RTC_CR_BYPSHAD bit = 0, wait for synchro else this check is not needed */
|
|
if(!LL_RTC_IsShadowRegBypassEnabled(RTC)) {
|
|
LL_RTC_ClearFlag_RS(RTC);
|
|
while(!LL_RTC_IsActiveFlag_RS(RTC)) {
|
|
};
|
|
}
|
|
|
|
/* Enable write protection */
|
|
LL_RTC_EnableWriteProtection(RTC);
|
|
}
|
|
|
|
void furi_hal_rtc_get_datetime(FuriHalRtcDateTime* datetime) {
|
|
furi_assert(datetime);
|
|
|
|
uint32_t time = LL_RTC_TIME_Get(RTC); // 0x00HHMMSS
|
|
uint32_t date = LL_RTC_DATE_Get(RTC); // 0xWWDDMMYY
|
|
|
|
datetime->second = __LL_RTC_CONVERT_BCD2BIN((time >> 0) & 0xFF);
|
|
datetime->minute = __LL_RTC_CONVERT_BCD2BIN((time >> 8) & 0xFF);
|
|
datetime->hour = __LL_RTC_CONVERT_BCD2BIN((time >> 16) & 0xFF);
|
|
datetime->year = __LL_RTC_CONVERT_BCD2BIN((date >> 0) & 0xFF) + 2000;
|
|
datetime->month = __LL_RTC_CONVERT_BCD2BIN((date >> 8) & 0xFF);
|
|
datetime->day = __LL_RTC_CONVERT_BCD2BIN((date >> 16) & 0xFF);
|
|
datetime->weekday = __LL_RTC_CONVERT_BCD2BIN((date >> 24) & 0xFF);
|
|
}
|
|
|
|
bool furi_hal_rtc_validate_datetime(FuriHalRtcDateTime* datetime) {
|
|
bool invalid = false;
|
|
|
|
invalid |= (datetime->second > 59);
|
|
invalid |= (datetime->minute > 59);
|
|
invalid |= (datetime->hour > 23);
|
|
|
|
invalid |= (datetime->year < 2000);
|
|
invalid |= (datetime->year > 2099);
|
|
|
|
invalid |= (datetime->month == 0);
|
|
invalid |= (datetime->month > 12);
|
|
|
|
invalid |= (datetime->day == 0);
|
|
invalid |= (datetime->day > 31);
|
|
|
|
invalid |= (datetime->weekday == 0);
|
|
invalid |= (datetime->weekday > 7);
|
|
|
|
return !invalid;
|
|
}
|
|
|
|
void furi_hal_rtc_set_fault_data(uint32_t value) {
|
|
furi_hal_rtc_set_register(FuriHalRtcRegisterFaultData, value);
|
|
}
|
|
|
|
uint32_t furi_hal_rtc_get_fault_data() {
|
|
return furi_hal_rtc_get_register(FuriHalRtcRegisterFaultData);
|
|
}
|
|
|
|
void furi_hal_rtc_set_pin_fails(uint32_t value) {
|
|
furi_hal_rtc_set_register(FuriHalRtcRegisterPinFails, value);
|
|
}
|
|
|
|
uint32_t furi_hal_rtc_get_pin_fails() {
|
|
return furi_hal_rtc_get_register(FuriHalRtcRegisterPinFails);
|
|
}
|
|
|
|
uint32_t furi_hal_rtc_get_timestamp() {
|
|
FuriHalRtcDateTime datetime = {0};
|
|
furi_hal_rtc_get_datetime(&datetime);
|
|
return furi_hal_rtc_datetime_to_timestamp(&datetime);
|
|
}
|
|
|
|
uint32_t furi_hal_rtc_datetime_to_timestamp(FuriHalRtcDateTime* datetime) {
|
|
uint32_t timestamp = 0;
|
|
uint8_t years = 0;
|
|
uint8_t leap_years = 0;
|
|
|
|
for(uint16_t y = FURI_HAL_RTC_EPOCH_START_YEAR; y < datetime->year; y++) {
|
|
if(FURI_HAL_RTC_IS_LEAP_YEAR(y)) {
|
|
leap_years++;
|
|
} else {
|
|
years++;
|
|
}
|
|
}
|
|
|
|
timestamp +=
|
|
((years * furi_hal_rtc_days_per_year[0]) + (leap_years * furi_hal_rtc_days_per_year[1])) *
|
|
FURI_HAL_RTC_SECONDS_PER_DAY;
|
|
|
|
uint8_t year_index = (FURI_HAL_RTC_IS_LEAP_YEAR(datetime->year)) ? 1 : 0;
|
|
|
|
for(uint8_t m = 0; m < (datetime->month - 1); m++) {
|
|
timestamp += furi_hal_rtc_days_per_month[year_index][m] * FURI_HAL_RTC_SECONDS_PER_DAY;
|
|
}
|
|
|
|
timestamp += (datetime->day - 1) * FURI_HAL_RTC_SECONDS_PER_DAY;
|
|
timestamp += datetime->hour * FURI_HAL_RTC_SECONDS_PER_HOUR;
|
|
timestamp += datetime->minute * FURI_HAL_RTC_SECONDS_PER_MINUTE;
|
|
timestamp += datetime->second;
|
|
|
|
return timestamp;
|
|
}
|