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- /*!
- \file readme.txt
- \brief description of using the I2C bus to write and read EEPROM
-
- \version 2022-05-30, V1.0.0, firmware for GD32F30x
- */
- /*
- Copyright (c) 2022, GigaDevice Semiconductor Inc.
- Redistribution and use in source and binary forms, with or without modification,
- are permitted provided that the following conditions are met:
- 1. Redistributions of source code must retain the above copyright notice, this
- list of conditions and the following disclaimer.
- 2. Redistributions in binary form must reproduce the above copyright notice,
- this list of conditions and the following disclaimer in the documentation
- and/or other materials provided with the distribution.
- 3. Neither the name of the copyright holder nor the names of its contributors
- may be used to endorse or promote products derived from this software without
- specific prior written permission.
- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
- IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
- INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
- OF SUCH DAMAGE.
- */
- This demo is based on the GD32307C-EVAL-V1.1 board, it provides a description
- of how to use the I2C bus to write and read EEPROM. The access result will be
- printed by COM0.
- Procedures sequentially writes 256 bytes of data to the EEPROM from the 0x00
- address, and then the program sequentially reads 256 bytes of data from the
- EEPROM from the 0x00 address. Compare the written data and read data, if the
- same,"I2C-AT24C02 test passed!" will be printed, while the board of the four
- LED lights start flashing, otherwise "Err:data read and write aren't matching."
- will be printed, while the four LEDs light will on.
-
- JP5 and P4 must be fitted.
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