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Arduino Hardware I2C for AVR (plain c) Arduino Hardware I2C for AVR (plain c)
Hardware I2C library for AVR µcontrollers (lib intended for I2C protocols development in c, for easier ports to other µcontrollers) Hardware I2C library for AVR µcontrollers (lib intended for I2C protocols development in c, for easier ports to other µcontrollers)
notes: ## Notes:
- cI2C is written in plain c (intentionally) * cI2C is written in plain c (intentionally)
- cI2C does not use any interrupt (yet, but soon will have to) * cI2C does not use any interrupt (yet, but soon will have to)
- cI2C is designed to act as bus Master (Slave mode will be considered in future releases) * cI2C is designed to act as bus Master (Slave mode will be considered in future releases)
- cI2C is set to work on AVR targets only * cI2C is set to work on AVR targets only
-> port to SAM &(|) ESP8266 targets would have to be considered, yet the lib is not multi-cores approach designed * for other targets, you may use **WireWrapper** instead (will be using Wire)
* **cI2C** & **WireWrapper** libs declare same structures & functions as seen from the outside
(switch between libs without changing anyhting but the include)
Usage: ## Usage:
refer to Doxygen generated documentation & example sketches refer to Doxygen generated documentation & example sketches
examples included: ## Examples included:
following examples should work with any I2C EEPROM/FRAM with address 0x50 following examples should work with any I2C EEPROM/FRAM with address 0x50
(yet function to get Chip ID are device dependant (and will probably only work on FUJITSU devices)) (yet function to get Chip ID are device dependant (and will probably only work on FUJITSU devices))
ci2c_master_write.ino: Write some bytes to FRAM and compare them with what's read afterwards * ci2c_master_write.ino: Write some bytes to FRAM and compare them with what's read afterwards
ci2c_master_read.ino: Read some bytes in FRAM * ci2c_master_read.ino: Read some bytes in FRAM
ci2c_advanced.ino: Redirecting slave write & read functions (to custom functions following typedef) * ci2c_advanced.ino: Redirecting slave write & read functions (to custom functions following typedef)
Doxygen doc can be generated for the library using doxyfile Doxygen doc can be generated for the library using doxyfile
## Links:
Feel free to share your thoughts @ xgarmanboziax@gmail.com about: Feel free to share your thoughts @ xgarmanboziax@gmail.com about:
- issues encountered * issues encountered
- optimisations * optimisations
- improvements & new functionalities * improvements & new functionalities
**cI2C**
- https://github.com/SMFSW/cI2C
- https://bitbucket.org/SMFSW/ci2c
**WireWrapper**
- https://github.com/SMFSW/WireWrapper
- https://bitbucket.org/SMFSW/wirewrapper