mirror of https://github.com/arendst/Tasmota.git
PCF85063 RTC Chip Support (#22727)
* Create ST7701_480x480_WS_4inch.ini Display driver for 4inch display with ST7701 driver and GT911 touch driver including correct pinout and correct init process trought SPI. Used in WaveShare ESP32-S3-4inch display board. * Update xdrv_56_rtc_chips.ino Added support for PCF85063 RTC Chip. * Update my_user_config.h Added PCF85063 RTC support * Update I2CDEVICES.md Added PCF85063 RTC support
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TheHexaMaster
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@ -129,5 +129,6 @@ Index | Define | Driver | Device | Address(es) | Bus2 | Descrip
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89 | USE_HX711_M5SCALES | xsns_34 | M5SCALES | 0x26 | Yes | M5Unit (Mini)Scales(HX711 STM32) U177
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90 | USE_RX8010 | xdrv_56 | RX8010 | 0x32 | Yes | RX8010 RTC from IOTTIMER
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91 | USE_MS5837 | xsns_116 | MS5837 | 0x76 | | Pressure and temperature sensor
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92 | USE_PCF85063 | xdrv_56 | PCF85063 | 0x51 | | PCF85063 Real time clock
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NOTE: Bus2 supported on ESP32 only.
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@ -769,6 +769,7 @@
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// #define USE_BM8563 // [I2cDriver59] Enable BM8563 RTC - used by M5Stack - support both I2C buses on ESP32 (I2C address 0x51) (+2.5k code)
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// #define USE_PCF85363 // [I2cDriver66] Enable PCF85363 RTC - used by Shelly 3EM (I2C address 0x51) (+0k7 code)
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// #define USE_RX8010 // [I2cDriver90] Enable RX8010 RTC - used by IOTTIMER - support both I2C buses on ESP32 (I2C address 0x32) (+0k7 code)
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// #define USE_PCF85063 // [I2cDriver92] Enable PCF85063 RTC support (I2C address 0x51)
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// #define USE_DISPLAY // Add I2C/TM1637/MAX7219 Display Support (+2k code)
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#define USE_DISPLAY_MODES1TO5 // Enable display mode 1 to 5 in addition to mode 0
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@ -185,6 +185,112 @@ void DS3231Detected(void) {
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}
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#endif // USE_DS3231
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/*********************************************************************************************\
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* PCF85063 support
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*
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* I2C Address: 0x51
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\*********************************************************************************************/
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#ifdef USE_PCF85063
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#define XI2C_92 92 // Unique ID for I2C device search
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#define PCF85063_ADDRESS 0x51 // PCF85063 I2C Address
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#define PCF85063_REG_CTRL1 0x00
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#define PCF85063_REG_CTRL2 0x01
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#define PCF85063_REG_OFFSET 0x02
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#define PCF85063_REG_SECONDS 0x04
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#define PCF85063_REG_MINUTES 0x05
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#define PCF85063_REG_HOURS 0x06
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#define PCF85063_REG_DAYS 0x07
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#define PCF85063_REG_WEEKDAYS 0x08
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#define PCF85063_REG_MONTHS 0x09
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#define PCF85063_REG_YEARS 0x0A
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uint32_t Pcf85063ReadTime(void) {
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Wire.beginTransmission(RtcChip.address);
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Wire.write(PCF85063_REG_SECONDS);
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Wire.endTransmission(false); // false -> repeated start
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Wire.requestFrom((uint8_t)RtcChip.address, (uint8_t)7);
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uint8_t sec = Wire.read(); // 0x04
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uint8_t min = Wire.read(); // 0x05
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uint8_t hour = Wire.read(); // 0x06
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uint8_t day = Wire.read(); // 0x07
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uint8_t wday = Wire.read(); // 0x08
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uint8_t month = Wire.read(); // 0x09
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uint8_t year = Wire.read(); // 0x0A
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TIME_T tm;
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tm.second = Bcd2Dec(sec & 0x7F);
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tm.minute = Bcd2Dec(min & 0x7F);
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tm.hour = Bcd2Dec(hour & 0x3F);
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tm.day_of_month = Bcd2Dec(day & 0x3F);
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tm.day_of_week = wday & 0x07;
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tm.month = Bcd2Dec(month & 0x1F) -1;
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uint8_t y = Bcd2Dec(year);
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tm.year = (y + 30);
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return MakeTime(tm);
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}
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void Pcf85063SetTime(uint32_t epoch_time) {
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TIME_T tm;
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BreakTime(epoch_time, tm);
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uint8_t year = (tm.year -30);
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if (year > 99) { year = 99; }
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uint8_t bcd_sec = Dec2Bcd(tm.second);
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uint8_t bcd_min = Dec2Bcd(tm.minute);
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uint8_t bcd_hour = Dec2Bcd(tm.hour);
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uint8_t bcd_day = Dec2Bcd(tm.day_of_month);
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uint8_t bcd_wday = tm.day_of_week & 0x07;
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uint8_t bcd_month = Dec2Bcd(tm.month +1);
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uint8_t bcd_year = Dec2Bcd(year);
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Wire.beginTransmission(RtcChip.address);
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Wire.write(PCF85063_REG_SECONDS);
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Wire.write(bcd_sec);
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Wire.write(bcd_min);
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Wire.write(bcd_hour);
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Wire.write(bcd_day);
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Wire.write(bcd_wday);
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Wire.write(bcd_month);
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Wire.write(bcd_year);
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Wire.endTransmission();
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}
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/*-------------------------------------------------------------------------------------------*\
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* Detection
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\*-------------------------------------------------------------------------------------------*/
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void Pcf85063Detected(void) {
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if (!RtcChip.detected && I2cEnabled(XI2C_92)) {
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RtcChip.address = PCF85063_ADDRESS;
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// Vyskúšame, či vieme prečítať nejaký register
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if (I2cSetDevice(RtcChip.address)) {
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// Skúsime napr. prečítať PCF85063_REG_CTRL1
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if (I2cValidRead(RtcChip.address, PCF85063_REG_CTRL1, 1)) {
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RtcChip.detected = 1;
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strcpy_P(RtcChip.name, PSTR("PCF85063"));
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RtcChip.ReadTime = &Pcf85063ReadTime;
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RtcChip.SetTime = &Pcf85063SetTime;
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RtcChip.mem_size = -1; // Nemá extra user RAM, ak by si nepotreboval
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// Ak by si chcel implementovať MemRead/MemWrite, doplň RtcChip.MemRead a RtcChip.MemWrite
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}
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}
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}
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}
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#endif // USE_PCF85063
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/*********************************************************************************************\
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* BM8563 - Real Time Clock
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*
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@ -500,6 +606,9 @@ void RtcChipDetect(void) {
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#ifdef USE_RX8010
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Rx8010Detected();
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#endif // USE_RX8010
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#ifdef USE_PCF85063
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Pcf85063Detected();
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#endif // USE_PCF85063
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if (!RtcChip.detected) { return; }
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