Craig Evans
/
2645_I2C_TMP102
Example code how to get temperature from the TMP102 temperature sensor
main.cpp
- Committer:
- eencae
- Date:
- 2016-02-05
- Revision:
- 1:dd5fb735acf1
- Parent:
- 0:21a200b880d7
File content as of revision 1:dd5fb735acf1:
/* 2645_I2C_TMP102_Library Sample code from ELEC2645 Week 17 Lab Demonstrates how to re-factor the TMP102 code into a library (c) Craig A. Evans, University of Leeds, Feb 2016 */ #include "mbed.h" // include the library header, ensure the library has been imported into the project #include "TMP102.h" // Create TMP102 object TMP102 tmp102(I2C_SDA,I2C_SCL); // UART connection for PC Serial pc(USBTX,USBRX); // K64F on-board LEDs DigitalOut r_led(LED_RED); DigitalOut g_led(LED_GREEN); DigitalOut b_led(LED_BLUE); // K64F on-board switches InterruptIn sw2(SW2); InterruptIn sw3(SW3); // error function hangs flashing an LED void error(); // setup serial port void init_serial(); // set-up the on-board LEDs and switches void init_K64F(); int main() { // initialise the board and serial port init_K64F(); init_serial(); // call the sensor init method using dot syntax tmp102.init(); while (1) { // read temperature and print over serial port float T = tmp102.get_temperature(); pc.printf("T = %f K\n",T); // small delay - 1s to match the update rate of the sensor (1 Hz) wait(1.0); } } void init_serial() { // set to highest baud - ensure terminal software matches pc.baud(115200); } void init_K64F() { // on-board LEDs are active-low, so set pin high to turn them off. r_led = 1; g_led = 1; b_led = 1; // since the on-board switches have external pull-ups, we should disable the internal pull-down // resistors that are enabled by default using InterruptIn sw2.mode(PullNone); sw3.mode(PullNone); }