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302dea4169
* Prep-work for datetime entities * Fix some includes and remove some restrictions on printing time on displays * format * format * More formatting * Move function contents * Ignore clang-tidy
106 lines
3.9 KiB
C++
106 lines
3.9 KiB
C++
#include "ds1307.h"
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#include "esphome/core/log.h"
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// Datasheet:
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// - https://datasheets.maximintegrated.com/en/ds/DS1307.pdf
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namespace esphome {
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namespace ds1307 {
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static const char *const TAG = "ds1307";
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void DS1307Component::setup() {
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ESP_LOGCONFIG(TAG, "Setting up DS1307...");
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if (!this->read_rtc_()) {
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this->mark_failed();
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}
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}
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void DS1307Component::update() { this->read_time(); }
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void DS1307Component::dump_config() {
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ESP_LOGCONFIG(TAG, "DS1307:");
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LOG_I2C_DEVICE(this);
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if (this->is_failed()) {
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ESP_LOGE(TAG, "Communication with DS1307 failed!");
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}
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ESP_LOGCONFIG(TAG, " Timezone: '%s'", this->timezone_.c_str());
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}
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float DS1307Component::get_setup_priority() const { return setup_priority::DATA; }
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void DS1307Component::read_time() {
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if (!this->read_rtc_()) {
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return;
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}
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if (ds1307_.reg.ch) {
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ESP_LOGW(TAG, "RTC halted, not syncing to system clock.");
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return;
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}
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ESPTime rtc_time{.second = uint8_t(ds1307_.reg.second + 10 * ds1307_.reg.second_10),
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.minute = uint8_t(ds1307_.reg.minute + 10u * ds1307_.reg.minute_10),
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.hour = uint8_t(ds1307_.reg.hour + 10u * ds1307_.reg.hour_10),
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.day_of_week = uint8_t(ds1307_.reg.weekday),
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.day_of_month = uint8_t(ds1307_.reg.day + 10u * ds1307_.reg.day_10),
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.day_of_year = 1, // ignored by recalc_timestamp_utc(false)
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.month = uint8_t(ds1307_.reg.month + 10u * ds1307_.reg.month_10),
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.year = uint16_t(ds1307_.reg.year + 10u * ds1307_.reg.year_10 + 2000)};
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rtc_time.recalc_timestamp_utc(false);
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if (!rtc_time.is_valid()) {
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ESP_LOGE(TAG, "Invalid RTC time, not syncing to system clock.");
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return;
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}
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time::RealTimeClock::synchronize_epoch_(rtc_time.timestamp);
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}
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void DS1307Component::write_time() {
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auto now = time::RealTimeClock::utcnow();
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if (!now.is_valid()) {
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ESP_LOGE(TAG, "Invalid system time, not syncing to RTC.");
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return;
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}
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ds1307_.reg.year = (now.year - 2000) % 10;
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ds1307_.reg.year_10 = (now.year - 2000) / 10 % 10;
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ds1307_.reg.month = now.month % 10;
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ds1307_.reg.month_10 = now.month / 10;
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ds1307_.reg.day = now.day_of_month % 10;
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ds1307_.reg.day_10 = now.day_of_month / 10;
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ds1307_.reg.weekday = now.day_of_week;
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ds1307_.reg.hour = now.hour % 10;
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ds1307_.reg.hour_10 = now.hour / 10;
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ds1307_.reg.minute = now.minute % 10;
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ds1307_.reg.minute_10 = now.minute / 10;
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ds1307_.reg.second = now.second % 10;
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ds1307_.reg.second_10 = now.second / 10;
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ds1307_.reg.ch = false;
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this->write_rtc_();
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}
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bool DS1307Component::read_rtc_() {
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if (!this->read_bytes(0, this->ds1307_.raw, sizeof(this->ds1307_.raw))) {
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ESP_LOGE(TAG, "Can't read I2C data.");
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return false;
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}
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ESP_LOGD(TAG, "Read %0u%0u:%0u%0u:%0u%0u 20%0u%0u-%0u%0u-%0u%0u CH:%s RS:%0u SQWE:%s OUT:%s", ds1307_.reg.hour_10,
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ds1307_.reg.hour, ds1307_.reg.minute_10, ds1307_.reg.minute, ds1307_.reg.second_10, ds1307_.reg.second,
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ds1307_.reg.year_10, ds1307_.reg.year, ds1307_.reg.month_10, ds1307_.reg.month, ds1307_.reg.day_10,
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ds1307_.reg.day, ONOFF(ds1307_.reg.ch), ds1307_.reg.rs, ONOFF(ds1307_.reg.sqwe), ONOFF(ds1307_.reg.out));
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return true;
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}
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bool DS1307Component::write_rtc_() {
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if (!this->write_bytes(0, this->ds1307_.raw, sizeof(this->ds1307_.raw))) {
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ESP_LOGE(TAG, "Can't write I2C data.");
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return false;
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}
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ESP_LOGD(TAG, "Write %0u%0u:%0u%0u:%0u%0u 20%0u%0u-%0u%0u-%0u%0u CH:%s RS:%0u SQWE:%s OUT:%s", ds1307_.reg.hour_10,
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ds1307_.reg.hour, ds1307_.reg.minute_10, ds1307_.reg.minute, ds1307_.reg.second_10, ds1307_.reg.second,
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ds1307_.reg.year_10, ds1307_.reg.year, ds1307_.reg.month_10, ds1307_.reg.month, ds1307_.reg.day_10,
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ds1307_.reg.day, ONOFF(ds1307_.reg.ch), ds1307_.reg.rs, ONOFF(ds1307_.reg.sqwe), ONOFF(ds1307_.reg.out));
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return true;
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}
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} // namespace ds1307
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} // namespace esphome
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