upm/examples/c/mma7361.c
Mihai Tudor Panu 89d5de43e0 license: update to SPDX style license text throughout
Signed-off-by: Mihai Tudor Panu <mihai.tudor.panu@intel.com>
2020-03-05 15:13:36 -08:00

74 lines
1.5 KiB
C

/*
* Author: Jon Trulson <jtrulson@ics.com>
* Copyright (c) 2016 Intel Corporation.
*
* This program and the accompanying materials are made available under the
* terms of the The MIT License which is available at
* https://opensource.org/licenses/MIT.
*
* SPDX-License-Identifier: MIT
*/
#include <unistd.h>
#include <signal.h>
#include "mma7361.h"
#include "upm_utilities.h"
bool shouldRun = true;
void sig_handler(int signo)
{
if (signo == SIGINT)
shouldRun = false;
}
int main()
{
signal(SIGINT, sig_handler);
//! [Interesting]
// Instantiate a MMA7361 sensor on analog pins A0 (X), A1 (Y) A2
// (Z), selftest pin on D2, sleep pin on D3 nd an analog reference
// value of 5.0. The freefall pin and the range pin are unused
// (-1).
mma7361_context sensor = mma7361_init(0, 1, 2, 2, 3, -1, -1, 5.0);
if (!sensor)
{
printf("mma7361_init() failed.\n");
return(1);
}
// 1.5g (true = 6g)
mma7361_set_range(sensor, false);
// Every 10th of a second, update and print values
while (shouldRun)
{
mma7361_update(sensor);
float x, y, z;
mma7361_get_acceleration(sensor, &x, &y, &z);
printf("Acceleration x = %f y = %f z = %f\n",
x, y, z);
mma7361_get_volts(sensor, &x, &y, &z);
printf("Volts x = %f y = %f z = %f\n\n",
x, y, z);
upm_delay_ms(500);
}
//! [Interesting]
printf("Exiting...\n");
mma7361_close(sensor);
return 0;
}