WebSVN - Projects - Diff - Rev 838 and 903 - /Servo-Controlled IR-Transmitter/Software/irmp.c



/*---------------------------------------------------------------------------------------------------------------------------------------------------
 * irmp.c - infrared multi-protocol decoder, supports several remote control protocols
 *
 * Copyright (c) 2009-2010 Frank Meyer - frank(at)fli4l.de
 *
 * $Id: irmp.c,v 1.87 2011/01/18 13:02:15 fm Exp $
 *
 * ATMEGA88 @ 8 MHz
 *
 * Typical manufacturers:
 *

 * SAMSUNG32  - Samsung
 * MATSUSHITA - Matsushita
 * KASEIKYO   - Panasonic, Denon & other Japanese manufacturers (members of "Japan's Association for Electric Home Application")
 * RECS80     - Philips, Nokia, Thomson, Nordmende, Telefunken, Saba
 * RC5        - Philips and other European manufacturers
 * DENON      - Denon, Sharp
 * RC6        - Philips and other European manufacturers
 * APPLE      - Apple
 * NUBERT     - Nubert Subwoofer System
 * B&O        - Bang & Olufsen
 * PANASONIC  - Panasonic (older, yet not implemented)

 *   -----
 *
 *   frame: 0 start bits + 16 data bits + stop bit + 65ms pause + 16 inverted data bits + stop bit
 *   data:  5 address bits + 10 command bits
 *
 *   Theory:
 *
 *   data "0":                 data "1":
 *   ------________________    ------______________
 *   275us       775us         275us   1900us
 *
 *   Practice:
 *
 *   data "0":                 data "1":
 *   ------________________    ------______________
 *   310us       745us         310us   1780us
 *
 *---------------------------------------------------------------------------------------------------------------------------------------------------
 *
 *   RC6
 *   ---
 *

                            irmp_pause_time > SIRCS_PAUSE_LEN_MAX &&                                // minimum is 12
                            irmp_bit >= 12 - 1)                                                     // pause too long?
                        {                                                                           // yes, break and close this frame
                            irmp_param.complete_len = irmp_bit + 1;                                 // set new complete length
                            got_light = TRUE;                                                       // this is a lie, but helps (generates stop bit)
                            irmp_tmp_address |= (irmp_bit - SIRCS_MINIMUM_DATA_LEN + 1) << 8;       // new: store number of additional bits in upper byte of address!
                            irmp_param.command_end = irmp_param.command_offset + irmp_bit + 1;      // correct command length
                            irmp_pause_time = SIRCS_PAUSE_LEN_MAX - 1;                              // correct pause length
                        }
                        else
#endif

                                irmp_param.complete_len = RC6_COMPLETE_DATA_LEN_LONG;
                                irmp_param.address_offset = 5;
                                irmp_param.address_end = irmp_param.address_offset + 15;
                                irmp_param.command_offset = irmp_param.address_end + 1;                                 // skip 1 system bit, changes like a toggle bit
                                irmp_param.command_end = irmp_param.command_offset + 16 - 1;
                                irmp_tmp_address = 0;
                            }
#endif // IRMP_SUPPORT_RC6_PROTOCOL == 1

 
                            irmp_store_bit (manchester_value);

        {
            max_value = buf[i];
        }
    }

 
    for (i = 1; i < 100; i++)
    {
        if (buf[i] > 0)
        {
            printf ("%3d ", i);

Rev 838	Rev 903
Line 1...	Line 1...
1	/*---------------------------------------------------------------------------------------------------------------------------------------------------	1	/*---------------------------------------------------------------------------------------------------------------------------------------------------
2	* irmp.c - infrared multi-protocol decoder, supports several remote control protocols	2	* irmp.c - infrared multi-protocol decoder, supports several remote control protocols
3	*	3	*
4	* Copyright (c) 2009-2010 Frank Meyer - frank(at)fli4l.de	4	* Copyright (c) 2009-2010 Frank Meyer - frank(at)fli4l.de
5	*	5	*
6	* $Id: irmp.c,v 1.84 2010/11/09 19:18:32 fm Exp $	6	* $Id: irmp.c,v 1.87 2011/01/18 13:02:15 fm Exp $
7	*	7	*
8	* ATMEGA88 @ 8 MHz	8	* ATMEGA88 @ 8 MHz
9	*	9	*
10	* Typical manufacturers:	10	* Typical manufacturers:
11	*	11	*
Line 15...	Line 15...
15	* SAMSUNG32 - Samsung	15	* SAMSUNG32 - Samsung
16	* MATSUSHITA - Matsushita	16	* MATSUSHITA - Matsushita
17	* KASEIKYO - Panasonic, Denon & other Japanese manufacturers (members of "Japan's Association for Electric Home Application")	17	* KASEIKYO - Panasonic, Denon & other Japanese manufacturers (members of "Japan's Association for Electric Home Application")
18	* RECS80 - Philips, Nokia, Thomson, Nordmende, Telefunken, Saba	18	* RECS80 - Philips, Nokia, Thomson, Nordmende, Telefunken, Saba
19	* RC5 - Philips and other European manufacturers	19	* RC5 - Philips and other European manufacturers
20	* DENON - Denon	20	* DENON - Denon, Sharp
21	* RC6 - Philips and other European manufacturers	21	* RC6 - Philips and other European manufacturers
22	* APPLE - Apple	22	* APPLE - Apple
23	* NUBERT - Nubert Subwoofer System	23	* NUBERT - Nubert Subwoofer System
24	* B&O - Bang & Olufsen	24	* B&O - Bang & Olufsen
25	* PANASONIC - Panasonic (older, yet not implemented)	25	* PANASONIC - Panasonic (older, yet not implemented)
Line 151...	Line 151...
151	* -----	151	* -----
152	*	152	*
153	* frame: 0 start bits + 16 data bits + stop bit + 65ms pause + 16 inverted data bits + stop bit	153	* frame: 0 start bits + 16 data bits + stop bit + 65ms pause + 16 inverted data bits + stop bit
154	* data: 5 address bits + 10 command bits	154	* data: 5 address bits + 10 command bits
155	*	155	*
-		156	* Theory:
-		157	*
156	* data "0": data "1":	158	* data "0": data "1":
157	* ------________________ ------______________	159	* ------________________ ------______________
158	* 275us 775us 275us 1900us	160	* 275us 775us 275us 1900us
159	*	161	*
-		162	* Practice:
-		163	*
-		164	* data "0": data "1":
-		165	* ------________________ ------______________
-		166	* 310us 745us 310us 1780us
-		167	*
160	*---------------------------------------------------------------------------------------------------------------------------------------------------	168	*---------------------------------------------------------------------------------------------------------------------------------------------------
161	*	169	*
162	* RC6	170	* RC6
163	* ---	171	* ---
164	*	172	*
Line 2042...	Line 2050...
2042	irmp_pause_time > SIRCS_PAUSE_LEN_MAX && // minimum is 12	2050	irmp_pause_time > SIRCS_PAUSE_LEN_MAX && // minimum is 12
2043	irmp_bit >= 12 - 1) // pause too long?	2051	irmp_bit >= 12 - 1) // pause too long?
2044	{ // yes, break and close this frame	2052	{ // yes, break and close this frame
2045	irmp_param.complete_len = irmp_bit + 1; // set new complete length	2053	irmp_param.complete_len = irmp_bit + 1; // set new complete length
2046	got_light = TRUE; // this is a lie, but helps (generates stop bit)	2054	got_light = TRUE; // this is a lie, but helps (generates stop bit)
-		2055	irmp_tmp_address \|= (irmp_bit - SIRCS_MINIMUM_DATA_LEN + 1) << 8; // new: store number of additional bits in upper byte of address!
2047	irmp_param.command_end = irmp_param.command_offset + irmp_bit + 1; // correct command length	2056	irmp_param.command_end = irmp_param.command_offset + irmp_bit + 1; // correct command length
2048	irmp_pause_time = SIRCS_PAUSE_LEN_MAX - 1; // correct pause length	2057	irmp_pause_time = SIRCS_PAUSE_LEN_MAX - 1; // correct pause length
2049	}	2058	}
2050	else	2059	else
2051	#endif	2060	#endif
Line 2212...	Line 2221...
2212	irmp_param.complete_len = RC6_COMPLETE_DATA_LEN_LONG;	2221	irmp_param.complete_len = RC6_COMPLETE_DATA_LEN_LONG;
2213	irmp_param.address_offset = 5;	2222	irmp_param.address_offset = 5;
2214	irmp_param.address_end = irmp_param.address_offset + 15;	2223	irmp_param.address_end = irmp_param.address_offset + 15;
2215	irmp_param.command_offset = irmp_param.address_end + 1; // skip 1 system bit, changes like a toggle bit	2224	irmp_param.command_offset = irmp_param.address_end + 1; // skip 1 system bit, changes like a toggle bit
2216	irmp_param.command_end = irmp_param.command_offset + 16 - 1;	2225	irmp_param.command_end = irmp_param.command_offset + 16 - 1;
2217	irmp_tmp_address = 1; // addr 0 - 32767 --> 32768 - 65535	2226	irmp_tmp_address = 0;
2218	}	2227	}
2219	#endif // IRMP_SUPPORT_RC6_PROTOCOL == 1	2228	#endif // IRMP_SUPPORT_RC6_PROTOCOL == 1
Line 2220...	Line 2229...
2220		2229
2221	irmp_store_bit (manchester_value);	2230	irmp_store_bit (manchester_value);
Line 2857...	Line 2866...
2857	{	2866	{
2858	max_value = buf[i];	2867	max_value = buf[i];
2859	}	2868	}
2860	}	2869	}
Line 2861...	Line 2870...
2861		2870
2862	for (i = 0; i < 100; i++)	2871	for (i = 1; i < 100; i++)
2863	{	2872	{
2864	if (buf[i] > 0)	2873	if (buf[i] > 0)
2865	{	2874	{
2866	printf ("%3d ", i);	2875	printf ("%3d ", i);

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(root)/Servo-Controlled IR-Transmitter/Software/irmp.c - Rev 838 → 903