esphome/esphome/components/pcf85063/pcf85063.cpp
Jesse Hills 302dea4169
Move ESPTime into core esphome namespace (#4926)
* 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
2023-06-08 17:24:44 -05:00

109 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;
}
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),
.is_dst = false, // not used
.timestamp = 0, // overwritten by recalc_timestamp_utc(false)
};
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