try to fix submodule

firmware/lib/Arduino-FOC-drivers/src/settings/i2c/CAT24I2CFlashSettingsStorage.cpp

@@ -0,0 +1,98 @@
+
+#include "./CAT24I2CFlashSettingsStorage.h"
+
+
+CAT24I2CFlashSettingsStorage::CAT24I2CFlashSettingsStorage(uint8_t address, uint16_t offset) {
+    _address = address;
+    _offset = offset;
+};
+
+
+
+CAT24I2CFlashSettingsStorage::~CAT24I2CFlashSettingsStorage() {};
+
+
+
+void CAT24I2CFlashSettingsStorage::init(TwoWire* wire) {
+    SettingsStorage::init();
+    _wire = wire;
+    reset();
+};
+
+
+
+uint8_t CAT24I2CFlashSettingsStorage::readByte(uint8_t* valueToSet) {
+    return readBytes(valueToSet, 1);
+};
+
+
+
+uint8_t CAT24I2CFlashSettingsStorage::readFloat(float* valueToSet) {
+    return readBytes(valueToSet, 4);
+};
+
+
+
+uint8_t CAT24I2CFlashSettingsStorage::readInt(uint32_t* valueToSet) {
+    return readBytes(valueToSet, 4);
+};
+
+
+
+uint8_t CAT24I2CFlashSettingsStorage::writeByte(uint8_t value) {
+    return writeBytes(&value, 1);
+};
+
+
+
+uint8_t CAT24I2CFlashSettingsStorage::writeFloat(float value) {
+    return writeBytes(&value, 4);
+};
+
+
+
+uint8_t CAT24I2CFlashSettingsStorage::writeInt(uint32_t value) {
+    return writeBytes(&value, 4);
+};
+
+
+
+void CAT24I2CFlashSettingsStorage::beforeSave() {
+    reset();
+};
+
+
+void CAT24I2CFlashSettingsStorage::beforeLoad() {
+    reset();
+    _wire->beginTransmission(_address);
+    _wire->write(_currptr >> 8);
+    _wire->write(_currptr & 0xFF);
+    _wire->endTransmission(false);
+};
+
+
+
+void CAT24I2CFlashSettingsStorage::reset() {
+    _currptr = _offset;
+};
+
+
+int CAT24I2CFlashSettingsStorage::readBytes(void* valueToSet, int numBytes) {
+    int read = _wire->requestFrom((uint8_t)_address, (uint8_t)numBytes, (uint8_t)true);
+    _currptr += read;
+    if (read==numBytes)
+        _wire->readBytes((uint8_t*)valueToSet, numBytes);
+    return read;
+};
+
+
+int CAT24I2CFlashSettingsStorage::writeBytes(void* value, int numBytes) {
+    _wire->beginTransmission(_address);
+    _wire->write(_currptr >> 8);
+    _wire->write(_currptr & 0xFF);
+    size_t written = _wire->write((uint8_t*)value, numBytes);
+    _wire->endTransmission(true);
+    _currptr += written;
+    delay(5); // write-cycle time
+    return written;
+};

firmware/lib/Arduino-FOC-drivers/src/settings/i2c/CAT24I2CFlashSettingsStorage.h

@@ -0,0 +1,35 @@
+
+#pragma once
+
+#include "../SettingsStorage.h"
+#include "Wire.h"
+
+class CAT24I2CFlashSettingsStorage : public SettingsStorage {
+public:
+    CAT24I2CFlashSettingsStorage(uint8_t address = 0xA0, uint16_t offset = 0x0);
+    ~CAT24I2CFlashSettingsStorage();
+
+    void init(TwoWire* wire = &Wire);
+
+protected:
+    uint8_t readByte(uint8_t* valueToSet) override;
+    uint8_t readFloat(float* valueToSet) override;
+    uint8_t readInt(uint32_t* valueToSet) override;
+
+    uint8_t writeByte(uint8_t value) override;
+    uint8_t writeFloat(float value) override;
+    uint8_t writeInt(uint32_t value) override;
+
+    void beforeSave() override;
+    void beforeLoad() override;
+
+    void reset();
+    int readBytes(void* valueToSet, int numBytes);
+    int writeBytes(void* value, int numBytes);
+
+    TwoWire* _wire;
+    uint8_t _address;           // i2c address
+    uint16_t _offset;           // offset into NVRAM to store settings
+    uint16_t _currptr = 0;      // pointer to current location in NVRAM
+
+};

firmware/lib/Arduino-FOC-drivers/src/settings/i2c/README.md

@@ -0,0 +1,26 @@
+
+# I2C memories settings drivers
+
+Store settings to I2C EEPROMs.
+
+## CAT24C64 I2C EEPROMs
+
+:warning: not yet finished or tested!
+
+Datasheet describes the CAT24C64 as: _The CAT24C64 is a 64 Kb CMOS Serial EEPROM device, internally organized as 8192 words of 8 bits each._
+
+Provide I2C address in constructor:
+
+`CAT24I2CFlashSettingsStorage settings = CAT24I2CFlashSettingsStorage(0xA0);`
+
+If you want to use a different I2C bus than the default, you can pass it to the constructor:
+
+`settings.init(&Wire2);`
+
+You can use multiple settings objects in the same EEPROM, by providing an offset to the constructor:
+
+```c++
+CAT24I2CFlashSettingsStorage settings = CAT24I2CFlashSettingsStorage(0xA0);
+CAT24I2CFlashSettingsStorage settings = CAT24I2CFlashSettingsStorage(0xA0, 80);
+CAT24I2CFlashSettingsStorage settings = CAT24I2CFlashSettingsStorage(0xA0, 160);
+```