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i2c_master_read_sensor_tmp117

i2c_master_read_sensor_tmp117#

Overview#

The example shows how to use lpc_i2c driver as master to read temperature data from sensor TMP117.

The example will do dynamic address assignment to the TMP117 sensor, read the temperature data and print it in while loop.

Supported Boards#

MCXW23-EVK
Hardware requirements

  • Mini/micro USB cable

  • MCXW23-EVK Board

  • Personal Computer

Board settings

Apply the jummpers on J13 1-2, 9-10 and 13-14.

Prepare the Demo

  1. Connect a USB cable between the host PC and the EVK board J33.

  2. Open a serial terminal with the following settings:

    • 115200 baud rate

    • 8 data bits

    • No parity

    • One stop bit

    • No flow control

  3. Download the program to the target board.

  4. Either press the reset button on your board or launch the debugger in your IDE to begin running the demo.

Running the demo

When the example runs successfully, you can see the similar information from the terminal as below.

i2c master read sensor data example.

Temperature:28.4688

Temperature:28.4766

Temperature:28.4766

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