1.20 I2C EEPROM AT24 Driver - EEPROM Read Write
This example application shows how to use the AT24 driver to perform read and write operations on AT24 series of EEPROM.
Description
This example uses the AT24 driver to read and write from I2C based On-Board AT24MAC402 series EEPROMs.
Downloading and Building the Application
To clone or download this application from Github, go to the main page of this repository and then click Clone button to clone this repository or download as zip file. This content can also be downloaded using content manager by following these instructions.
Path of the application within the repository is apps/driver/i2c_eeprom/at24/at24_eeprom_read_write/firmware.
To build the application, refer to the following table and open the project using its IDE.
| Project Name | Description |
|---|---|
| sam_e70_xult.X | MPLABX project for SAM E70 Xplained Ultra Evaluation Kit |
| sam_e70_xult_freertos.X | MPLABX project for SAM E70 Xplained Ultra Evaluation Kit |
| sam_v71_xult.X | MPLABX project for SAM V71 Xplained Ultra Evaluation Kit |
| sam_v71_xult_freertos.X | MPLABX project for SAM V71 Xplained Ultra Evaluation Kit |
Setting Up the Hardware
The following table shows the target hardware for the application projects.
| Project Name | Description |
|---|---|
| sam_e70_xult.X sam_e70_xult_freertos.X | SAM E70 Xplained Ultra Evaluation Kit |
| sam_v71_xult.X sam_v71_xult_freertos.X | SAM V71 Xplained Ultra Evaluation Kit |
Setting Up SAM E70 Xplained Ultra Evaluation Kit
- Connect the Debug USB port on the board to the computer using a micro USB cable
Setting Up SAM V71 Xplained Ultra Evaluation Kit
- Connect the Debug USB port on the board to the computer using a micro USB cable
Running the Application
- Build and program the application using its IDE
- LED is turned ON when the data read from EEPROM matches with the written data
| Board | LED Name |
|---|---|
| SAM E70 Xplained Ultra Evaluation Kit | LED1 |
| SAM V71 Xplained Ultra Evaluation Kit | LED0 |