jim hamblen / Mbed 2 deprecated HelloWorld_VL53L0X_LPC1768

Test an Adafruit single VL53L0X breakout board using the mbed LPC1768 and print distance measurement to PC

Dependencies:   X_NUCLEO_53L0A1 mbed

Fork of HelloWorld_53L0A1 by ST

https://os.mbed.com/users/kbeck8/notebook/alternative-control-for-remote-control-vehicle/ has a more complex example using three LIDAR breakouts for gesture detection on the same I2C bus using the shutdown pin (solves the issue of them having the same I2C address). The driver has support for three, but an AND gate is required unless the driver is changed. DigitalOut pins turn shutdown on/off on each LIDAR.

main.cpp@3:b3f70617a6b3, 2016-12-01 (annotated)

Committer:
johnAlexander
Date:
Thu Dec 01 14:19:01 2016 +0000
Revision:
3:b3f70617a6b3
Parent:
1:3483e701ec59
Child:
4:c8932fb926d6
Simplify example, to be simplest possible ranging example. Print range measurements rather than send them to the 4-digit display.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
johnAlexander 0:ce8359133ae6 1 #include "mbed.h"
johnAlexander 0:ce8359133ae6 2 #include "x_nucleo_53l0a1.h"
johnAlexander 0:ce8359133ae6 3 #include <string.h>
johnAlexander 0:ce8359133ae6 4 #include <stdlib.h>
johnAlexander 0:ce8359133ae6 5 #include <stdio.h>
johnAlexander 0:ce8359133ae6 6 #include <assert.h>
johnAlexander 0:ce8359133ae6 7
johnAlexander 1:3483e701ec59 8 /* This VL53L0X Expansion board test application performs a range measurement in polling mode
johnAlexander 0:ce8359133ae6 9 on the onboard embedded top sensor.
johnAlexander 1:3483e701ec59 10 The measured data is displayed on the on-board 4-digit display.
johnAlexander 0:ce8359133ae6 11
johnAlexander 1:3483e701ec59 12 User Blue button stops the current measurement and the entire program, releasing all resources.
johnAlexander 0:ce8359133ae6 13 Reset button is used to restart the program. */
johnAlexander 0:ce8359133ae6 14
johnAlexander 0:ce8359133ae6 15 /* Polling operating modes don`t require callback function that handles IRQ
johnAlexander 0:ce8359133ae6 16 Callback IRQ functions are used only for measure that require interrupt */
johnAlexander 0:ce8359133ae6 17
johnAlexander 0:ce8359133ae6 18 /* GetMeasurement is asynchronous! It returns NOT_READY if the measurement value
johnAlexander 0:ce8359133ae6 19 is not ready to be read from the corresponding register. So you need to wait
johnAlexander 0:ce8359133ae6 20 for the result to be ready */
johnAlexander 0:ce8359133ae6 21
johnAlexander 0:ce8359133ae6 22 #define VL53L0_I2C_SDA D14
johnAlexander 0:ce8359133ae6 23 #define VL53L0_I2C_SCL D15
johnAlexander 0:ce8359133ae6 24
johnAlexander 0:ce8359133ae6 25 static X_NUCLEO_53L0A1 *board=NULL;
johnAlexander 1:3483e701ec59 26
johnAlexander 0:ce8359133ae6 27
johnAlexander 0:ce8359133ae6 28 /*=================================== Main ==================================
johnAlexander 0:ce8359133ae6 29 =============================================================================*/
johnAlexander 0:ce8359133ae6 30 int main()
johnAlexander 0:ce8359133ae6 31 {
johnAlexander 3:b3f70617a6b3 32 int status;
johnAlexander 3:b3f70617a6b3 33 uint32_t distance;
johnAlexander 3:b3f70617a6b3 34 DevI2C *device_i2c =new DevI2C(VL53L0_I2C_SDA, VL53L0_I2C_SCL);
johnAlexander 3:b3f70617a6b3 35
johnAlexander 3:b3f70617a6b3 36 /* creates the 53L0A1 expansion board singleton obj */
johnAlexander 3:b3f70617a6b3 37 board=X_NUCLEO_53L0A1::Instance(device_i2c, A2, D8, D2);
johnAlexander 3:b3f70617a6b3 38
johnAlexander 3:b3f70617a6b3 39 /* init the 53L0A1 expansion board with default values */
johnAlexander 3:b3f70617a6b3 40 status=board->InitBoard();
johnAlexander 3:b3f70617a6b3 41 if(status) { printf("Failed to init board!\n\r"); return 0; }
johnAlexander 3:b3f70617a6b3 42 while(1)
johnAlexander 3:b3f70617a6b3 43 {
johnAlexander 3:b3f70617a6b3 44 board->sensor_centre->GetDistance(&distance);
johnAlexander 3:b3f70617a6b3 45 printf("Distance : %ld\n", distance);
johnAlexander 3:b3f70617a6b3 46 }
johnAlexander 0:ce8359133ae6 47 }
johnAlexander 0:ce8359133ae6 48