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- #include <stdio.h>
- #include <sys/time.h>
- // LED Pin - wiringPi pin 0 is BCM_GPIO 17.
- #define LED 0
- /**
- * Calculate a duration
- *
- * @param start start of the computing or null if
- * this is the first time this function is inoked
- *
- * @return current time
- */
- struct timeval* showTime(struct timeval* start);
- /**
- * Reading data from GPIO
- *
- * @param data buffer data
- * @param samples number of samples to read
- * @param duration waiting time between samples
- */
- void readData(unsigned char* data, unsigned long int samples, unsigned int duration);
- /**
- * Calculate the length of the frame
- *
- * @param data data to scan
- * @param high length of high level
- * @param low length of low level
- *
- * @return total length of the frame
- */
- unsigned int frameSize(unsigned char* data, unsigned int* high, unsigned int* low);
- /**
- * Analyse the data
- *
- * @param data buffer data
- * @param samples number of samples to read
- * @param output output to render the result
- * @param all if false the analyze stops at the first error encoutered
- */
- void analyse(unsigned char* data, unsigned long int samples, FILE* output, unsigned char all);
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