+/*---------------------------------------------------------------------------------------------------------------------------------------------------\r
+ * main_pic.c - example main module \r
+ * \r
+ * IR decoder using IRMP\r
+ *\r
+ * (c) 2014 Wolfgang Strobl (ws at mystrobl.de) 2014-03-12:2014-07-05\r
+ *\r
+ * This demo module is runnable on a Microchip PIC 12F1840\r
+ *\r
+ * To be used with IRMP by Frank Meyer (frank(at)fli4l.de)\r
+ * <http://www.mikrocontroller.net/articles/IRMP>\r
+ *\r
+ * This program is free software; you can redistribute it and/or modify\r
+ * it under the terms of the GNU General Public License as published by\r
+ * the Free Software Foundation; either version 2 of the License, or\r
+ * (at your option) any later version.\r
+ *---------------------------------------------------------------------------------------------------------------------------------------------------\r
+ */\r
+ \r
+ \r
+/* \r
+ PIC12F1840\r
+ ___ __\r
+ 10k -|___|-+ Vdd -o| o|o- Vss\r
+ ___ +-RS232in / GP5 -o| |o- GP0 / ICSPDAT\r
+ 1k -|___|-- RS232out/ GP4 -o| |o- GP1 / ICSPCLK \r
+ Vpp / GP3 -o|__|o- GP2 / TS TSOP1736\r
+Example output, using a bunch of different remote controls\r
+IRMP PIC 12F1840 1.1 ws\r
+P 7 a=0x0011 c=0x000c f=0x00 (RC5)\r
+P 6 a=0x0001 c=0x0018 f=0x00 (RECS80)\r
+P 2 a=0xbf00 c=0x0019 f=0x00 (NEC)\r
+P 2 a=0xeb14 c=0x0001 f=0x00 (NEC)\r
+P 7 a=0x001c c=0x0005 f=0x00 (RC5)\r
+P 7 a=0x000a c=0x0057 f=0x00 (RC5)\r
+P 7 a=0x000a c=0x0057 f=0x01 (RC5)\r
+P 2 a=0xfb04 c=0x0008 f=0x00 (NEC)\r
+\r
+*/\r
+\r
+#include <stdio.h>\r
+\r
+#include "irmp.h"\r
+\r
+/******************************************************************************/\r
+// "system.h"\r
+/******************************************************************************/\r
+#define SYS_FREQ 32000000L\r
+#define _XTAL_FREQ 32000000 // for _delay\r
+#define FCY (SYS_FREQ/4)\r
+\r
+/******************************************************************************/\r
+// "user.c"\r
+/******************************************************************************/\r
+void InitApp(void)\r
+{\r
+ ANSELA=0;\r
+ TRISA4=0;\r
+ IRCF0=0; // p. 45\r
+ IRCF1=1;\r
+ IRCF2=1;\r
+ IRCF3=1;\r
+ SPLLEN=1; // p 46 and 54 \r
+}\r
+\r
+/******************************************************************************/\r
+// "configuration_bits.c" 12F1848\r
+/******************************************************************************/\r
+// CONFIG1\r
+#pragma config FOSC = INTOSC // Oscillator Selection (INTOSC oscillator: I/O function on CLKIN pin)\r
+#pragma config WDTE = OFF // Watchdog Timer Enable (WDT disabled)\r
+#pragma config PWRTE = ON // Power-up Timer Enable (PWRT enabled)\r
+#pragma config MCLRE = OFF // MCLR Pin Function Select (MCLR/VPP pin function is digital input)\r
+#pragma config CP = OFF // Flash Program Memory Code Protection (Program memory code protection is disabled)\r
+#pragma config CPD = OFF // Data Memory Code Protection (Data memory code protection is disabled)\r
+#pragma config BOREN = ON // Brown-out Reset Enable (Brown-out Reset enabled)\r
+#pragma config CLKOUTEN = OFF // Clock Out Enable (CLKOUT function is disabled. I/O or oscillator function on the CLKOUT pin)\r
+#pragma config IESO = OFF // Internal/External Switchover (Internal/External Switchover mode is disabled)\r
+#pragma config FCMEN = OFF // Fail-Safe Clock Monitor Enable (Fail-Safe Clock Monitor is disabled)\r
+\r
+// CONFIG2\r
+#pragma config WRT = OFF // Flash Memory Self-Write Protection (Write protection off)\r
+#pragma config PLLEN = OFF // PLL Enable (4x PLL disabled)\r
+#pragma config STVREN = ON // Stack Overflow/Underflow Reset Enable (Stack Overflow or Underflow will cause a Reset)\r
+#pragma config BORV = LO // Brown-out Reset Voltage Selection (Brown-out Reset Voltage (Vbor), low trip point selected.)\r
+#pragma config LVP = OFF // Low-Voltage Programming Enable (High-voltage on MCLR/VPP must be used for programming)\r
+/******************************************************************************/\r
+\r
+/******************************************************************************/\r
+// UART\r
+/******************************************************************************/\r
+\r
+// This demo module uses RS232 TX via EUSART, only\r
+\r
+#define useEUSART 1\r
+#define BAUD 19200\r
+\r
+\r
+void \r
+RS232init(void)\r
+ {\r
+ // Transmit\r
+ TXCKSEL = 1; // put TX on pin 4 - not 0 -, p 102\r
+ SPBRGL = (_XTAL_FREQ/BAUD/64-1); \r
+ SPBRGH = 0;\r
+ BRGH = 0;\r
+ BRG16 = 0;\r
+ // p 259 manual\r
+ SYNC = 0; // 0 p. 267\r
+ SPEN = 1; // 26.1.1.7\r
+ SCKP = 1; // invert p 269\r
+ TXEN = 1;\r
+ }\r
+\r
+ // EUSART transmit\r
+ void \r
+ putch(char c)\r
+ {\r
+ while (!TRMT) _delay(1);\r
+ TXREG=c;\r
+ }\r
+ \r
+/******************************************************************************/\r
+// Timer and ISR\r
+/******************************************************************************/\r
+ \r
+void \r
+timer1_init(void)\r
+{\r
+ // p 154\r
+ TMR1=0xFC00; // p. 155 wait 1024 cycles for stabilization.\r
+ TMR1CS1=0; // Clock source == System Clock\r
+ TMR1CS0=1; \r
+ TMR1IE=1; // enable TMR1 interrupts\r
+ PEIE=1; // enable Pheripheral Interrupts\r
+ \r
+}\r
+\r
+\r
+/******************************************************************************/\r
+// Interrupt handler\r
+/******************************************************************************/\r
+\r
+void interrupt isr(void)\r
+{\r
+ irmp_ISR();\r
+ TMR1=0xffff-_XTAL_FREQ/F_INTERRUPTS; \r
+ TMR1IF=0; // clear timer 1 interrupt\r
+}\r
+\r
+/******************************************************************************/\r
+// MAIN\r
+/******************************************************************************/\r
+\r
+int\r
+main (void)\r
+{\r
+ IRMP_DATA irmp_data;\r
+ InitApp(); // später inlinen\r
+ \r
+#if useEUSART\r
+ RS232init();\r
+#endif\r
+ __delay_ms(200);\r
+ printf("IRMP PIC 12F1840 1.1 ws\r\n");\r
+ irmp_init(); // initialize irmp\r
+ timer1_init(); // initialize timer1\r
+ ei(); // enable interrupts\r
+ TMR1ON=1; // start timer\r
+ \r
+ for (;;)\r
+ {\r
+ if (irmp_get_data (&irmp_data))\r
+ {\r
+ printf("P ");\r
+ printf("%d a=0x%04x c=0x%04x f=0x%02x (",irmp_data.protocol, irmp_data.address,irmp_data.command,irmp_data.flags); \r
+ \r
+ \r
+#if IRMP_PROTOCOL_NAMES\r
+ printf(irmp_protocol_names[irmp_data.protocol]);\r
+#else \r
+ switch(irmp_data.protocol)\r
+ {\r
+ case 1:\r
+ printf("Sony");\r
+ break;\r
+ case 2:\r
+ printf("NEC");\r
+ break;\r
+ case 7:\r
+ printf("RC5");\r
+ break;\r
+ case 0x21:\r
+ printf("Ortek");\r
+ break;\r
+ }\r
+#endif\r
+ printf(")\r\n");\r
+ }\r
+ }\r
+}\r