//**********************************************************************************************
#define LOWEST_DEFAULT_CLOCK 32
#define FSK_PSK_THRESHOLD 123
+
//to allow debug print calls when used not on device
void dummy(char *fmt, ...){}
#ifndef ON_DEVICE
//by marshmellow
//encode binary data into binary manchester
-//NOTE: BitStream must have double the size available in memory to do the swap
+//NOTE: BitStream must have triple the size of "size" available in memory to do the swap
int ManchesterEncode(uint8_t *BitStream, size_t size) {
- size_t modIdx=size, i=0;
- if (size>modIdx) return -1;
+ //allow up to 4K out (means BitStream must be at least 2048+4096 to handle the swap)
+ size = (size>2048) ? 2048 : size;
+ size_t modIdx = size;
+ size_t i;
for (size_t idx=0; idx < size; idx++){
BitStream[idx+modIdx++] = BitStream[idx];
BitStream[idx+modIdx++] = BitStream[idx]^1;
}
- for (; i<(size*2); i++){
+ for (i=0; i<(size*2); i++){
BitStream[i] = BitStream[i+size];
}
return i;