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https://github.com/RobTillaart/Arduino.git
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69 lines
1.7 KiB
C++
69 lines
1.7 KiB
C++
#pragma once
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//
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// FILE: FRAM.h
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// AUTHOR: Rob Tillaart
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// VERSION: 0.3.2
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// DATE: 2018-01-24
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// PURPOSE: Arduino library for I2C FRAM
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// URL: https://github.com/RobTillaart/FRAM_I2C
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//
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#include "Arduino.h"
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#include "Wire.h"
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#define FRAM_LIB_VERSION (F("0.3.2"))
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#define FRAM_OK 0
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#define FRAM_ERROR_ADDR -10
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#define FRAM_ERROR_I2C -11
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#define FRAM_ERROR_CONNECT -12
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class FRAM
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{
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public:
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FRAM(TwoWire *wire = &Wire);
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#if defined (ESP8266) || defined(ESP32)
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// address and writeProtectPin is optional
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int begin(uint8_t sda, uint8_t scl, const uint8_t address = 0x50, int8_t writeProtectPin = -1);
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#endif
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// address and writeProtectPin is optional
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int begin(const uint8_t address = 0x50, int8_t writeProtectPin = -1);
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bool isConnected();
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void write8(uint16_t memaddr, uint8_t value);
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void write16(uint16_t memaddr, uint16_t value);
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void write32(uint16_t memaddr, uint32_t value);
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void write(uint16_t memaddr, uint8_t * obj, uint16_t size);
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uint8_t read8(uint16_t memaddr);
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uint16_t read16(uint16_t memaddr);
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uint32_t read32(uint16_t memaddr);
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void read(uint16_t memaddr, uint8_t * obj, uint16_t size);
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bool setWriteProtect(bool b);
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bool getWriteProtect();
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uint16_t getManufacturerID();
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uint16_t getProductID();
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uint16_t getSize();
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private:
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uint8_t _address;
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int8_t _writeProtectPin = -1; // default no pin ==> no write protect.
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uint16_t getMetaData(uint8_t id);
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void writeBlock(uint16_t memaddr, uint8_t * obj, uint8_t size);
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void readBlock(uint16_t memaddr, uint8_t * obj, uint8_t size);
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TwoWire* _wire;
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};
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// -- END OF FILE --
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