garages.h

/*
 * Commmon garage frequencies, baudrates,
 * lengths, and bit representations for
 * hacking fixed code garages and gates.
 *
 * Currently supports several makes including:
 *  Chamberlain, Linear, Multi-code, Stanley, Moore-o-Matic, NSCD/North Shore Commercial Door
 *
 * http://samy.pl/opensesame
 *
 * -samy kamkar
 */

#include "types.h"

__code const static struct {
	u32 hz;
	u32 baud;
	u8 bits;
	u8 len;
	u8 tri;
	u32 b0;
	u32 b1;
	u32 b2;
} garages[] = {
//        HZ, BAUD, BITS, LEN, TRI, B0,  B1,  B2

	// Stanley, Linear Multicode & Moore-o-Matic, 8 & 10 dip switch, 310MHz
	{310000000, 2000,   10,   4,   0, 0x8, 0xe, 0x0},

	// Chamberlain, 7, 8 & 9 dip switch, 390MHz
	{390000000, 2000,    9,   4,   0, 0x8, 0xe, 0x0},

	// Chamberlain Canada, 9 dip switch, 315MHz
	{315000000, 2000,    9,   4,   0, 0x8, 0xe, 0x0},

	// NSCD is 2k baud rate but tri-state
  // 0 = 100000000100000000, 1 = 111111110100000000, 2 = 111111110111111110
	{318000000, 2000,    9,  18,   1, 0x020100, 0x03fd00, 0x03fdfe},

};

// size should be 2**BITS+(BITS-1), but we're limited by chip
// to 255 and further limited by stack size
//#define MAXLEN 255 // maximum packet length
#define MAXLEN 128 // maximum packet length
#define MAXBITS 13

#define G_HZ 0   // Hz
#define G_BAUD 1 // baudrate
#define G_BITS 2 // bits
#define G_LEN 3  // each bit code is represented by multiple bits, so what is that length
#define G_TRI 4  // is this trinary? (3-bit garages)
#define G_0 5    // eg, if bit "0" is "1000", then 0x8 (1000)
#define G_1 6    // bit 1's representation
#define G_2 7    // only if trinary

extern u8 _garage_id;
#define g garages[_garage_id]