Mengyang Li / Mbed 2 deprecated 4180_2_16

4180

Dependencies:   X_NUCLEO_53L0A1 mbed

Fork of HelloWorld_VL53L0X_LPC1768 by jim hamblen

main.cpp@12:6abbf8827c8b, 2018-10-16 (annotated)

Committer:
mli396
Date:
Tue Oct 16 17:34:57 2018 +0000
Revision:
12:6abbf8827c8b
Parent:
11:5186cc367be0 
4180

Who changed what in which revision?

UserRevisionLine numberNew contents of line
johnAlexander 0:ce8359133ae6 1 #include "mbed.h"
Davidroid 10:891e10d3b4a6 2 #include "XNucleo53L0A1.h"
johnAlexander 0:ce8359133ae6 3 #include <stdio.h>
4180_1 11:5186cc367be0 4 Serial pc(USBTX,USBRX);
4180_1 11:5186cc367be0 5 DigitalOut shdn(p26);
mli396 12:6abbf8827c8b 6 PwmOut speaker(p21);
4180_1 11:5186cc367be0 7 // This VL53L0X board test application performs a range measurement in polling mode
4180_1 11:5186cc367be0 8 // Use 3.3(Vout) for Vin, p28 for SDA, p27 for SCL, P26 for shdn on mbed LPC1768
johnAlexander 0:ce8359133ae6 9
4180_1 11:5186cc367be0 10 //I2C sensor pins
4180_1 11:5186cc367be0 11 #define VL53L0_I2C_SDA p28
4180_1 11:5186cc367be0 12 #define VL53L0_I2C_SCL p27
johnAlexander 0:ce8359133ae6 13
Davidroid 10:891e10d3b4a6 14 static XNucleo53L0A1 *board=NULL;
johnAlexander 1:3483e701ec59 15
johnAlexander 0:ce8359133ae6 16 int main()
4180_1 11:5186cc367be0 17 {
4180_1 11:5186cc367be0 18 int status;
4180_1 11:5186cc367be0 19 uint32_t distance;
johnAlexander 7:c8087e7333b8 20 DevI2C *device_i2c = new DevI2C(VL53L0_I2C_SDA, VL53L0_I2C_SCL);
johnAlexander 7:c8087e7333b8 21 /* creates the 53L0A1 expansion board singleton obj */
Davidroid 10:891e10d3b4a6 22 board = XNucleo53L0A1::instance(device_i2c, A2, D8, D2);
4180_1 11:5186cc367be0 23 shdn = 0; //must reset sensor for an mbed reset to work
4180_1 11:5186cc367be0 24 wait(0.1);
4180_1 11:5186cc367be0 25 shdn = 1;
4180_1 11:5186cc367be0 26 wait(0.1);
4180_1 11:5186cc367be0 27 /* init the 53L0A1 board with default values */
johnAlexander 7:c8087e7333b8 28 status = board->init_board();
4180_1 11:5186cc367be0 29 while (status) {
4180_1 11:5186cc367be0 30 pc.printf("Failed to init board! \r\n");
4180_1 11:5186cc367be0 31 status = board->init_board();
johnAlexander 7:c8087e7333b8 32 }
4180_1 11:5186cc367be0 33 //loop taking and printing distance
mli396 12:6abbf8827c8b 34 float freq = 0;
mli396 12:6abbf8827c8b 35 speaker =0.1; //volume
4180_1 11:5186cc367be0 36 while (1) {
johnAlexander 7:c8087e7333b8 37 status = board->sensor_centre->get_distance(&distance);
johnAlexander 9:9733cfdb0a18 38 if (status == VL53L0X_ERROR_NONE) {
mli396 12:6abbf8827c8b 39 freq = distance * 1.2;
mli396 12:6abbf8827c8b 40 speaker.period(1.0/freq); // period
johnAlexander 7:c8087e7333b8 41 }
4180_1 11:5186cc367be0 42 }
johnAlexander 0:ce8359133ae6 43 }