Sertac Kilickaya / Mbed OS DataLogging_Serial_1sec

datalog

Dependencies:   BSP_B-L475E-IOT01

main.cpp@0:656457722e56, 19 months ago (annotated)

Committer:
sertackilickaya
Date:
Mon Nov 28 11:27:38 2022 +0000
Revision:
0:656457722e56
asd

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sertackilickaya 0:656457722e56 1 #include "mbed.h"
sertackilickaya 0:656457722e56 2 #include "stm32l475e_iot01_accelero.h"
sertackilickaya 0:656457722e56 3 // use mbedOs 6 and bsp init change odr to 6660
sertackilickaya 0:656457722e56 4 // Full-scale range = 4g
sertackilickaya 0:656457722e56 5 static int64_t sampling_freq = 6660; // in Hz.
sertackilickaya 0:656457722e56 6 static int64_t time_between_samples_us = (1000000 / (sampling_freq - 1));
sertackilickaya 0:656457722e56 7
sertackilickaya 0:656457722e56 8 // to classify 1 frame of data you need FRAME_SIZE values
sertackilickaya 0:656457722e56 9 static int16_t aX[6660]={0};
sertackilickaya 0:656457722e56 10 static int16_t aY[6660]={0};
sertackilickaya 0:656457722e56 11 static int16_t aZ[6660]={0};
sertackilickaya 0:656457722e56 12
sertackilickaya 0:656457722e56 13 // set baud rate of serial port to 115200
sertackilickaya 0:656457722e56 14 static BufferedSerial serial_port(USBTX, USBRX, 921600);
sertackilickaya 0:656457722e56 15 FileHandle *mbed::mbed_override_console(int fd) {
sertackilickaya 0:656457722e56 16 return &serial_port;
sertackilickaya 0:656457722e56 17 }
sertackilickaya 0:656457722e56 18
sertackilickaya 0:656457722e56 19 int main()
sertackilickaya 0:656457722e56 20 {
sertackilickaya 0:656457722e56 21 int16_t pDataXYZ[3] = {0};
sertackilickaya 0:656457722e56 22 BSP_ACCELERO_Init();
sertackilickaya 0:656457722e56 23 Timer t;
sertackilickaya 0:656457722e56 24 t.start();
sertackilickaya 0:656457722e56 25 while (1) {
sertackilickaya 0:656457722e56 26 // fill the features array
sertackilickaya 0:656457722e56 27 for (size_t ix = 0; ix < 6660; ix++) {
sertackilickaya 0:656457722e56 28 int64_t next_tick = t.read_us() + time_between_samples_us;
sertackilickaya 0:656457722e56 29 BSP_ACCELERO_AccGetXYZ(pDataXYZ);
sertackilickaya 0:656457722e56 30
sertackilickaya 0:656457722e56 31 // copy accelerometer data into the features array
sertackilickaya 0:656457722e56 32 aX[ix] = pDataXYZ[0];
sertackilickaya 0:656457722e56 33 aY[ix] = pDataXYZ[1];
sertackilickaya 0:656457722e56 34 aZ[ix] = pDataXYZ[2];
sertackilickaya 0:656457722e56 35
sertackilickaya 0:656457722e56 36 while (t.read_us() < next_tick) {
sertackilickaya 0:656457722e56 37 /* busy loop */
sertackilickaya 0:656457722e56 38 }
sertackilickaya 0:656457722e56 39 }
sertackilickaya 0:656457722e56 40 // print the predictions
sertackilickaya 0:656457722e56 41 for (size_t ix = 0; ix < 6660; ix++) {
sertackilickaya 0:656457722e56 42 printf("%d,%d,%d\n\r",aX[ix],aY[ix],aZ[ix]);
sertackilickaya 0:656457722e56 43 }
sertackilickaya 0:656457722e56 44
sertackilickaya 0:656457722e56 45 ThisThread::sleep_for(3s);
sertackilickaya 0:656457722e56 46 }
sertackilickaya 0:656457722e56 47 }