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50 lines
1004 B
C
50 lines
1004 B
C
#include <stdio.h>
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#include <stdint.h>
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#include <unistd.h>
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#include <fcntl.h>
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struct Sample{
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int16_t x;
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int16_t y;
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int16_t z;
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};
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int main(){
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int fd;
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unsigned char buf[64];
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size_t count = 6;
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ssize_t ret_size;
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struct Sample sample;
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if((fd = open("/dev/adxl345", O_RDWR)) == -1){
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printf("/dev/adxl345 opening failed\n");
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return(0);
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}
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else{
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for(int i=0; i<100; i++){
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if((ret_size = read(fd, &buf, count)) < 0){
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printf("Error while reading the device file.\n");
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return(1);
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}
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else if(ret_size < count){
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printf(".");
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}
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else{
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sample.x = (int16_t)(buf[1]<<8 | buf[0]);
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sample.y = (int16_t)(buf[3]<<8 | buf[2]);
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sample.z = (int16_t)(buf[5]<<8 | buf[4]);
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printf("Sample %i: %i %i %i\n",i,sample.x,sample.y,sample.z);
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}
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}
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}
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return(0);
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}
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