mirror of https://github.com/arendst/Tasmota.git
134 lines
3.0 KiB
C++
134 lines
3.0 KiB
C++
/*
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xnrg_23_ade7880.ino - ADE7880 energy sensor support for Tasmota
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SPDX-FileCopyrightText: 2022 Theo Arends and AndreKR
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SPDX-License-Identifier: GPL-3.0-only
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*/
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#ifdef USE_I2C
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#ifdef USE_ENERGY_SENSOR
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#ifdef USE_ADE7880
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/*********************************************************************************************\
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* ADE7880 - Energy used in Shelly 3EM
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*
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* {"NAME":"Shelly 3EM","GPIO":[0,0,0,0,0,8065,0,0,640,8064,608,0,0,0],"FLAG":0,"BASE":18}
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*
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* Based on datasheet from https://www.analog.com/en/products/ade7880.html
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*
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* I2C Address: 0x38
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\*********************************************************************************************/
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#define XNRG_23 23
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#define XI2C_65 65 // See I2CDEVICES.md
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#define ADE7880_ADDR 0x38
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int Ade7880RegSize(uint16_t reg) {
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int size = 0;
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/*
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TBD
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switch ((reg >> 8) & 0x0F) {
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case 0x03:
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size++;
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case 0x02:
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size++;
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case 0x01:
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size++;
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case 0x00:
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case 0x07:
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case 0x08:
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size++;
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}
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*/
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return size;
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}
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void Ade7880Write(uint16_t reg, uint32_t val) {
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int size = Ade7880RegSize(reg);
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if (size) {
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Wire.beginTransmission(ADE7880_ADDR);
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Wire.write((reg >> 8) & 0xFF);
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Wire.write(reg & 0xFF);
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while (size--) {
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Wire.write((val >> (8 * size)) & 0xFF); // Write data, MSB first
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}
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Wire.endTransmission();
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delayMicroseconds(5); // Bus-free time minimum 4.7us
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}
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}
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int32_t Ade7880Read(uint16_t reg) {
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uint32_t response = 0;
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int size = Ade7880RegSize(reg);
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if (size) {
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Wire.beginTransmission(ADE7880_ADDR);
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Wire.write((reg >> 8) & 0xFF);
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Wire.write(reg & 0xFF);
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Wire.endTransmission(0);
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Wire.requestFrom(ADE7880_ADDR, size);
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if (size <= Wire.available()) {
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for (uint32_t i = 0; i < size; i++) {
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response = response << 8 | Wire.read(); // receive DATA (MSB first)
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}
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}
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}
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return response;
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}
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void Ade7880Init(void) {
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// Ade7953Write(0x102, 0x0004); // Locking the communication interface (Clear bit COMM_LOCK), Enable HPF
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// Ade7953Write(0x0FE, 0x00AD); // Unlock register 0x120
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// Ade7953Write(0x120, 0x0030); // Configure optimum setting
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}
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void Ade7880EnergyEverySecond(void) {
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}
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void Ade7880DrvInit(void) {
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if (PinUsed(GPIO_ADE7880_IRQ) && PinUsed(GPIO_ADE7880_IRQ, 1)) {
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}
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}
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bool Ade7880Command(void) {
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// Will need calibration for all three phases
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bool serviced = true;
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return serviced;
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}
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/*********************************************************************************************\
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* Interface
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\*********************************************************************************************/
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bool Xnrg23(uint8_t function) {
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if (!I2cEnabled(XI2C_07)) { return false; }
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bool result = false;
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switch (function) {
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case FUNC_ENERGY_EVERY_SECOND:
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Ade7880EnergyEverySecond();
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break;
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case FUNC_COMMAND:
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result = Ade7880Command();
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break;
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case FUNC_PRE_INIT:
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Ade7880DrvInit();
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break;
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}
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return result;
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}
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#endif // USE_ADE7880
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#endif // USE_ENERGY_SENSOR
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#endif // USE_I2C
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