105 lines
4 KiB
C++
105 lines
4 KiB
C++
#include "pcf85063.h"
|
|
#include "esphome/core/log.h"
|
|
|
|
// Datasheet:
|
|
// - https://datasheets.maximintegrated.com/en/ds/DS1307.pdf
|
|
|
|
namespace esphome {
|
|
namespace pcf85063 {
|
|
|
|
static const char *const TAG = "pcf85063";
|
|
|
|
void PCF85063Component::setup() {
|
|
ESP_LOGCONFIG(TAG, "Setting up PCF85063...");
|
|
if (!this->read_rtc_()) {
|
|
this->mark_failed();
|
|
}
|
|
}
|
|
|
|
void PCF85063Component::update() { this->read_time(); }
|
|
|
|
void PCF85063Component::dump_config() {
|
|
ESP_LOGCONFIG(TAG, "PCF85063:");
|
|
LOG_I2C_DEVICE(this);
|
|
if (this->is_failed()) {
|
|
ESP_LOGE(TAG, "Communication with PCF85063 failed!");
|
|
}
|
|
ESP_LOGCONFIG(TAG, " Timezone: '%s'", this->timezone_.c_str());
|
|
}
|
|
|
|
float PCF85063Component::get_setup_priority() const { return setup_priority::DATA; }
|
|
|
|
void PCF85063Component::read_time() {
|
|
if (!this->read_rtc_()) {
|
|
return;
|
|
}
|
|
if (pcf85063_.reg.osc_stop) {
|
|
ESP_LOGW(TAG, "RTC halted, not syncing to system clock.");
|
|
return;
|
|
}
|
|
time::ESPTime rtc_time{.second = uint8_t(pcf85063_.reg.second + 10 * pcf85063_.reg.second_10),
|
|
.minute = uint8_t(pcf85063_.reg.minute + 10u * pcf85063_.reg.minute_10),
|
|
.hour = uint8_t(pcf85063_.reg.hour + 10u * pcf85063_.reg.hour_10),
|
|
.day_of_week = uint8_t(pcf85063_.reg.weekday),
|
|
.day_of_month = uint8_t(pcf85063_.reg.day + 10u * pcf85063_.reg.day_10),
|
|
.day_of_year = 1, // ignored by recalc_timestamp_utc(false)
|
|
.month = uint8_t(pcf85063_.reg.month + 10u * pcf85063_.reg.month_10),
|
|
.year = uint16_t(pcf85063_.reg.year + 10u * pcf85063_.reg.year_10 + 2000)};
|
|
rtc_time.recalc_timestamp_utc(false);
|
|
if (!rtc_time.is_valid()) {
|
|
ESP_LOGE(TAG, "Invalid RTC time, not syncing to system clock.");
|
|
return;
|
|
}
|
|
time::RealTimeClock::synchronize_epoch_(rtc_time.timestamp);
|
|
}
|
|
|
|
void PCF85063Component::write_time() {
|
|
auto now = time::RealTimeClock::utcnow();
|
|
if (!now.is_valid()) {
|
|
ESP_LOGE(TAG, "Invalid system time, not syncing to RTC.");
|
|
return;
|
|
}
|
|
pcf85063_.reg.year = (now.year - 2000) % 10;
|
|
pcf85063_.reg.year_10 = (now.year - 2000) / 10 % 10;
|
|
pcf85063_.reg.month = now.month % 10;
|
|
pcf85063_.reg.month_10 = now.month / 10;
|
|
pcf85063_.reg.day = now.day_of_month % 10;
|
|
pcf85063_.reg.day_10 = now.day_of_month / 10;
|
|
pcf85063_.reg.weekday = now.day_of_week;
|
|
pcf85063_.reg.hour = now.hour % 10;
|
|
pcf85063_.reg.hour_10 = now.hour / 10;
|
|
pcf85063_.reg.minute = now.minute % 10;
|
|
pcf85063_.reg.minute_10 = now.minute / 10;
|
|
pcf85063_.reg.second = now.second % 10;
|
|
pcf85063_.reg.second_10 = now.second / 10;
|
|
pcf85063_.reg.osc_stop = false;
|
|
|
|
this->write_rtc_();
|
|
}
|
|
|
|
bool PCF85063Component::read_rtc_() {
|
|
if (!this->read_bytes(0, this->pcf85063_.raw, sizeof(this->pcf85063_.raw))) {
|
|
ESP_LOGE(TAG, "Can't read I2C data.");
|
|
return false;
|
|
}
|
|
ESP_LOGD(TAG, "Read %0u%0u:%0u%0u:%0u%0u 20%0u%0u-%0u%0u-%0u%0u OSC:%s CLKOUT:%0u", pcf85063_.reg.hour_10,
|
|
pcf85063_.reg.hour, pcf85063_.reg.minute_10, pcf85063_.reg.minute, pcf85063_.reg.second_10,
|
|
pcf85063_.reg.second, pcf85063_.reg.year_10, pcf85063_.reg.year, pcf85063_.reg.month_10, pcf85063_.reg.month,
|
|
pcf85063_.reg.day_10, pcf85063_.reg.day, ONOFF(!pcf85063_.reg.osc_stop), pcf85063_.reg.clkout_control);
|
|
|
|
return true;
|
|
}
|
|
|
|
bool PCF85063Component::write_rtc_() {
|
|
if (!this->write_bytes(0, this->pcf85063_.raw, sizeof(this->pcf85063_.raw))) {
|
|
ESP_LOGE(TAG, "Can't write I2C data.");
|
|
return false;
|
|
}
|
|
ESP_LOGD(TAG, "Write %0u%0u:%0u%0u:%0u%0u 20%0u%0u-%0u%0u-%0u%0u OSC:%s CLKOUT:%0u", pcf85063_.reg.hour_10,
|
|
pcf85063_.reg.hour, pcf85063_.reg.minute_10, pcf85063_.reg.minute, pcf85063_.reg.second_10,
|
|
pcf85063_.reg.second, pcf85063_.reg.year_10, pcf85063_.reg.year, pcf85063_.reg.month_10, pcf85063_.reg.month,
|
|
pcf85063_.reg.day_10, pcf85063_.reg.day, ONOFF(!pcf85063_.reg.osc_stop), pcf85063_.reg.clkout_control);
|
|
return true;
|
|
}
|
|
} // namespace pcf85063
|
|
} // namespace esphome
|