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[irmp.git] / irmp-main-pic-12F1840.c
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a2ddd841 1/*---------------------------------------------------------------------------------------------------------------------------------------------------\r
7365350c 2 * irmp-main-pic-12F1840.c - example main module for PIC 12f1840\r
30d1689d 3 *\r
a2ddd841 4 * IR decoder using IRMP\r
5 *\r
2a774a84 6 * (c) 2014 Wolfgang Strobl (news4 at mystrobl.de) 2014-03-12:2014-07-20\r
a2ddd841 7 *\r
30d1689d 8 * $Id: irmp-main-pic-12F1840.c,v 1.6 2017/02/17 09:13:06 fm Exp $\r
7365350c 9 *\r
a2ddd841 10 * This demo module is runnable on a Microchip PIC 12F1840\r
11 *\r
12 * To be used with IRMP by Frank Meyer (frank(at)fli4l.de)\r
13 * <http://www.mikrocontroller.net/articles/IRMP>\r
14 *\r
15 * This program is free software; you can redistribute it and/or modify\r
16 * it under the terms of the GNU General Public License as published by\r
17 * the Free Software Foundation; either version 2 of the License, or\r
18 * (at your option) any later version.\r
19 *---------------------------------------------------------------------------------------------------------------------------------------------------\r
20 */\r
2a774a84 21\r
30d1689d 22\r
23/*\r
24\r
25Hauptprogramm fuer den nachfolgenden Testaufbau, bestehend aus zwei mal\r
2a774a84 26\r
27\r
28 TSOP1736+ PIC12F1840\r
29 | __\r
30 1k | Vdd--o| o|o--Vss\r
31 ___ +--GP5--o| |o--GP0 / ICSPDAT\r
32RS232 out -|___|-------GP4--o| |o--GP1 / ICSPCLK ___ LED\r
33RS232 in -|___|---Vpp/GP3--o|__|o--GP2-----------|___|- ->|---Vss\r
34 10k\r
30d1689d 35\r
2a774a84 36auf einem Steckbrett. (Genauer gesagt, dies ist die aktuelle Beschaltung\r
37fuer V1.8, V1.0 ist aber bzgl. IRMP-Empfang funktional identisch. Nicht eingezeichnet\r
38ist ein Abblockkondensator von 100nF ueber Vss und Vdd.\r
39\r
30d1689d 40Uebersetzt mit Microchip MPLAB XC8 C Compiler (Free Mode) V1.31\r
2a774a84 41im stark gecrippelten "Free Mode".\r
42\r
43Memory Summary: (V 1.8)\r
44 Program space used C6Fh ( 3183) of 1000h words ( 77.7%)\r
45 Data space used 9Bh ( 155) of 100h bytes ( 60.5%)\r
46 EEPROM space used 0h ( 0) of 100h bytes ( 0.0%)\r
47 Data stack space used 0h ( 0) of 5Eh bytes ( 0.0%)\r
48 Configuration bits used 2h ( 2) of 2h words (100.0%)\r
49 ID Location space used 0h ( 0) of 4h bytes ( 0.0%)\r
50\r
51\r
30d1689d 52Testaufbau:\r
2a774a84 53\r
54Zwei Steckbretter,\r
30d1689d 55urspruengliche Version des Programms als Empfaenger,\r
2a774a84 56aktuelle Version als Sender, Aufzeichnung mit putty,\r
57angeschlossen jeweils per USB2RS232-Kabel von Conrad\r
30d1689d 58(972543, basierend auf Prolific PL2303). Soft-UART\r
2a774a84 59fuer Input, da 12F1820 keine Kontrolle ueber Input-\r
60Polaritaet erlaubt und ich fuer Testaufbauten eine\r
61Minimalbeschaltung bevorzuge.\r
62\r
63Kurze Distanz\r
64(~30 cm) zwischen Sender und Empfaenger), keine genaue Ausrichtung.\r
65Stromversorgung wahlwweise mit 5V via PICkit 2 oder 3x1.2V NiMH-AA.\r
66\r
30d1689d 67Zunaechst\r
68CD TAPE TUNER AUX OFF mit Philips FB,\r
2a774a84 69OFF mit VAOVA TV-2900HDD FB\r
70dann Eingabe . und n beim Sender.\r
71\r
72Sender:\r
73\r
74IRMP PIC 12F1840 1.8 ws\r
75P 7 a=0x0014 c=0x003f f=0x00 (RC5)\r
76P 7 a=0x0014 c=0x003f f=0x01 (RC5)\r
77P 7 a=0x0012 c=0x003f f=0x00 (RC5)\r
78P 7 a=0x0011 c=0x003f f=0x00 (RC5)\r
79P 7 a=0x0015 c=0x003f f=0x00 (RC5)\r
80P 7 a=0x0015 c=0x000c f=0x00 (RC5)\r
81P 2 a=0xbf00 c=0x0059 f=0x00 (NEC)\r
82P 2 a=0xbf00 c=0x0059 f=0x01 (NEC)\r
83. MX115OFF PR2 221\r
84n NEC PR2 209\r
85\r
86Empfaenger:\r
87\r
88IRMP PIC 12F1840 1.0 ws\r
89P 7 a=0x0014 c=0x003f f=0x00 (RC5)\r
90P 7 a=0x0014 c=0x003f f=0x01 (RC5)\r
91P 7 a=0x0012 c=0x003f f=0x00 (RC5)\r
92P 7 a=0x0011 c=0x003f f=0x00 (RC5)\r
93P 7 a=0x0015 c=0x000c f=0x00 (RC5)\r
94P 2 a=0xbf00 c=0x0059 f=0x00 (NEC)\r
95P 2 a=0xbf00 c=0x0059 f=0x01 (NEC)\r
96P 7 a=0x0015 c=0x000c f=0x00 (RC5)\r
97P 7 a=0x0015 c=0x000c f=0x01 (RC5)\r
98P 7 a=0x0015 c=0x000c f=0x01 (RC5)\r
99P 2 a=0x0055 c=0x00aa f=0x00 (NEC)\r
100\r
101Die via DSO an der LED gemessenen Frequenzen sind 36.0 resp. 38.0 kHz\r
a2ddd841 102\r
103*/\r
104\r
105#include <stdio.h>\r
106\r
107#include "irmp.h"\r
2a774a84 108#include "irsnd.h"\r
a2ddd841 109\r
110/******************************************************************************/\r
111// "system.h"\r
112/******************************************************************************/\r
113#define SYS_FREQ 32000000L\r
114#define _XTAL_FREQ 32000000 // for _delay\r
115#define FCY (SYS_FREQ/4)\r
116\r
117/******************************************************************************/\r
118// "user.c"\r
119/******************************************************************************/\r
120void InitApp(void)\r
121{\r
122 ANSELA=0;\r
123 TRISA4=0;\r
124 IRCF0=0; // p. 45\r
125 IRCF1=1;\r
126 IRCF2=1;\r
127 IRCF3=1;\r
30d1689d 128 SPLLEN=1; // p 46 and 54\r
a2ddd841 129}\r
130\r
131/******************************************************************************/\r
132// "configuration_bits.c" 12F1848\r
133/******************************************************************************/\r
134// CONFIG1\r
135#pragma config FOSC = INTOSC // Oscillator Selection (INTOSC oscillator: I/O function on CLKIN pin)\r
136#pragma config WDTE = OFF // Watchdog Timer Enable (WDT disabled)\r
137#pragma config PWRTE = ON // Power-up Timer Enable (PWRT enabled)\r
138#pragma config MCLRE = OFF // MCLR Pin Function Select (MCLR/VPP pin function is digital input)\r
139#pragma config CP = OFF // Flash Program Memory Code Protection (Program memory code protection is disabled)\r
140#pragma config CPD = OFF // Data Memory Code Protection (Data memory code protection is disabled)\r
141#pragma config BOREN = ON // Brown-out Reset Enable (Brown-out Reset enabled)\r
142#pragma config CLKOUTEN = OFF // Clock Out Enable (CLKOUT function is disabled. I/O or oscillator function on the CLKOUT pin)\r
143#pragma config IESO = OFF // Internal/External Switchover (Internal/External Switchover mode is disabled)\r
144#pragma config FCMEN = OFF // Fail-Safe Clock Monitor Enable (Fail-Safe Clock Monitor is disabled)\r
145\r
146// CONFIG2\r
147#pragma config WRT = OFF // Flash Memory Self-Write Protection (Write protection off)\r
148#pragma config PLLEN = OFF // PLL Enable (4x PLL disabled)\r
149#pragma config STVREN = ON // Stack Overflow/Underflow Reset Enable (Stack Overflow or Underflow will cause a Reset)\r
150#pragma config BORV = LO // Brown-out Reset Voltage Selection (Brown-out Reset Voltage (Vbor), low trip point selected.)\r
151#pragma config LVP = OFF // Low-Voltage Programming Enable (High-voltage on MCLR/VPP must be used for programming)\r
152/******************************************************************************/\r
153\r
154/******************************************************************************/\r
155// UART\r
156/******************************************************************************/\r
157\r
30d1689d 158#define GPIO3 RA3\r
159#define GPIO4 RA4\r
2a774a84 160\r
161#define SOFTUART_RXPIN GPIO3\r
162#define SOFTUART_STDIO 1\r
163#define SOFTUART_DI 1\r
164\r
a2ddd841 165\r
2a774a84 166#define BAUD 19200 // 38200 ginge auch noch\r
167#define SOFTUART_BAUD BAUD\r
168#include "softuart_pic.h"\r
169\r
170#define kbhit softuartkbhit\r
a2ddd841 171\r
172\r
30d1689d 173void\r
a2ddd841 174RS232init(void)\r
175 {\r
176 // Transmit\r
177 TXCKSEL = 1; // put TX on pin 4 - not 0 -, p 102\r
30d1689d 178 SPBRGL = (_XTAL_FREQ/BAUD/64-1);\r
a2ddd841 179 SPBRGH = 0;\r
180 BRGH = 0;\r
181 BRG16 = 0;\r
182 // p 259 manual\r
183 SYNC = 0; // 0 p. 267\r
184 SPEN = 1; // 26.1.1.7\r
185 SCKP = 1; // invert p 269\r
186 TXEN = 1;\r
187 }\r
188\r
189 // EUSART transmit\r
30d1689d 190 void\r
a2ddd841 191 putch(char c)\r
192 {\r
193 while (!TRMT) _delay(1);\r
194 TXREG=c;\r
195 }\r
30d1689d 196\r
a2ddd841 197/******************************************************************************/\r
198// Timer and ISR\r
199/******************************************************************************/\r
30d1689d 200\r
201void\r
a2ddd841 202timer1_init(void)\r
203{\r
204 // p 154\r
205 TMR1=0xFC00; // p. 155 wait 1024 cycles for stabilization.\r
206 TMR1CS1=0; // Clock source == System Clock\r
30d1689d 207 TMR1CS0=1;\r
a2ddd841 208 TMR1IE=1; // enable TMR1 interrupts\r
209 PEIE=1; // enable Pheripheral Interrupts\r
2a774a84 210 TMR1IF=0;\r
211 TMR1ON=1;\r
a2ddd841 212}\r
213\r
214\r
215/******************************************************************************/\r
216// Interrupt handler\r
217/******************************************************************************/\r
218\r
219void interrupt isr(void)\r
220{\r
30d1689d 221 TMR1=0xffff-_XTAL_FREQ/F_INTERRUPTS;\r
a2ddd841 222 TMR1IF=0; // clear timer 1 interrupt\r
30d1689d 223\r
2a774a84 224 if (!irsnd_ISR())\r
225 {\r
226 irmp_ISR();\r
227 }\r
a2ddd841 228}\r
229\r
2a774a84 230\r
231IRMP_DATA irmp_data;\r
232\r
233void RC5(uint16_t addr,uint16_t cmd, uint8_t repetitions)\r
234{\r
30d1689d 235 irmp_data.protocol = IRMP_RC5_PROTOCOL;\r
2a774a84 236 irmp_data.address = addr;\r
237 irmp_data.command = cmd;\r
238 irmp_data.flags = repetitions;\r
30d1689d 239 irsnd_send_data (&irmp_data, FALSE);\r
2a774a84 240}\r
241\r
242void NEC(int addr,int cmd)\r
243{\r
30d1689d 244 irmp_data.protocol = IRMP_NEC_PROTOCOL;\r
2a774a84 245 irmp_data.address = addr;\r
246 irmp_data.command = cmd;\r
247 irmp_data.flags = 0;\r
30d1689d 248 irsnd_send_data (&irmp_data, FALSE);\r
2a774a84 249}\r
250\r
251\r
a2ddd841 252/******************************************************************************/\r
253// MAIN\r
254/******************************************************************************/\r
255\r
256int\r
257main (void)\r
258{\r
259 IRMP_DATA irmp_data;\r
2a774a84 260 char c;\r
30d1689d 261 InitApp();\r
2a774a84 262\r
263 PWMoff();\r
a2ddd841 264 RS232init();\r
30d1689d 265\r
a2ddd841 266 __delay_ms(200);\r
2a774a84 267 printf("IRMP PIC 12F1840 1.8 ws\r\n");\r
268 irmp_init(); // initialize irmp\r
a2ddd841 269 timer1_init(); // initialize timer1\r
270 ei(); // enable interrupts\r
271 TMR1ON=1; // start timer\r
30d1689d 272\r
a2ddd841 273 for (;;)\r
274 {\r
2a774a84 275 if (kbhit())\r
276 {\r
277 c=getch();\r
278 if (c>32 && c<127) putch(c);\r
279 putch(' ');\r
280 if (c=='.')\r
281 {\r
282 printf("MX115OFF ");\r
283 RC5(0x15,0x0c,2); // Philips MC115 AUX OFF\r
284 }\r
285 else if (c=='n')\r
286 {\r
287 printf("NEC ");\r
30d1689d 288 NEC(0x55,0xaa);\r
2a774a84 289 }\r
290 else\r
291 {\r
292 putch('?');\r
293 continue;\r
294 }\r
295 while (irsnd_is_busy ()) ;\r
296 printf("PR2 %d\r\n",PR2);\r
297 continue;\r
298 }\r
a2ddd841 299 if (irmp_get_data (&irmp_data))\r
300 {\r
301 printf("P ");\r
30d1689d 302 printf("%d a=0x%04x c=0x%04x f=0x%02x (",irmp_data.protocol, irmp_data.address,irmp_data.command,irmp_data.flags);\r
303\r
a2ddd841 304#if IRMP_PROTOCOL_NAMES\r
305 printf(irmp_protocol_names[irmp_data.protocol]);\r
30d1689d 306#else\r
a2ddd841 307 switch(irmp_data.protocol)\r
308 {\r
309 case 1:\r
310 printf("Sony");\r
311 break;\r
312 case 2:\r
313 printf("NEC");\r
314 break;\r
315 case 7:\r
316 printf("RC5");\r
317 break;\r
318 case 0x21:\r
319 printf("Ortek");\r
320 break;\r
321 }\r
322#endif\r
323 printf(")\r\n");\r
324 }\r
325 }\r
326}\r
Clone of IRMP - Infrared Muliti Protocol Decoder (https://www.mikrocontroller.net/articles/IRMP)