Gedeon Nyengele / Mbed 2 deprecated FINAL_PROJECT_4180

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Dependencies:   mbed

lib.cpp

Committer:
nyengele
Date:
2016-04-24
Revision:
1:0e5e9821d89d
Parent:
0:f0e40bf44ffe
Child:
2:1b1c0502bb08

File content as of revision 1:0e5e9821d89d:

#include "mbed.h"
#include "lib.h"

int hashcode(const char *data, int size)
{
    int hash = 17;
    for (int i = 0; i < size; i++) {
        hash += 31*hash + data[i];
    }
    return hash;
}
void read_mag_card(Serial *device, char *dest, int *size)
{
    int pos = 0;
    bool done = false;
    int markercount = 0;
    while (!done) {
        while (!device->readable());
        dest[pos] = device->getc();
        if (dest[pos] == '?') markercount++;
        if (markercount >= 2) done  = true;
        pos++;
    }
    *size = pos - 1;
}