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Diffstat (limited to 'pic/main_pic.c')
| -rw-r--r-- | pic/main_pic.c | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/pic/main_pic.c b/pic/main_pic.c new file mode 100644 index 0000000..6b5eab5 --- /dev/null +++ b/pic/main_pic.c @@ -0,0 +1,203 @@ +/*---------------------------------------------------------------------------------------------------------------------------------------------------
+ * main_pic.c - example main module
+ *
+ * IR decoder using IRMP
+ *
+ * (c) 2014 Wolfgang Strobl (ws at mystrobl.de) 2014-03-12:2014-07-05
+ *
+ * This demo module is runnable on a Microchip PIC 12F1840
+ *
+ * To be used with IRMP by Frank Meyer (frank(at)fli4l.de)
+ * <http://www.mikrocontroller.net/articles/IRMP>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *---------------------------------------------------------------------------------------------------------------------------------------------------
+ */
+
+
+/*
+ PIC12F1840
+ ___ __
+ 10k -|___|-+ Vdd -o| o|o- Vss
+ ___ +-RS232in / GP5 -o| |o- GP0 / ICSPDAT
+ 1k -|___|-- RS232out/ GP4 -o| |o- GP1 / ICSPCLK
+ Vpp / GP3 -o|__|o- GP2 / TS TSOP1736
+
+Example output, using a bunch of different remote controls
+
+IRMP PIC 12F1840 1.1 ws
+P 7 a=0x0011 c=0x000c f=0x00 (RC5)
+P 6 a=0x0001 c=0x0018 f=0x00 (RECS80)
+P 2 a=0xbf00 c=0x0019 f=0x00 (NEC)
+P 2 a=0xeb14 c=0x0001 f=0x00 (NEC)
+P 7 a=0x001c c=0x0005 f=0x00 (RC5)
+P 7 a=0x000a c=0x0057 f=0x00 (RC5)
+P 7 a=0x000a c=0x0057 f=0x01 (RC5)
+P 2 a=0xfb04 c=0x0008 f=0x00 (NEC)
+
+*/
+
+#include <stdio.h>
+
+#include "irmp.h"
+
+/******************************************************************************/
+// "system.h"
+/******************************************************************************/
+#define SYS_FREQ 32000000L
+#define _XTAL_FREQ 32000000 // for _delay
+#define FCY (SYS_FREQ/4)
+
+/******************************************************************************/
+// "user.c"
+/******************************************************************************/
+void InitApp(void)
+{
+ ANSELA=0;
+ TRISA4=0;
+ IRCF0=0; // p. 45
+ IRCF1=1;
+ IRCF2=1;
+ IRCF3=1;
+ SPLLEN=1; // p 46 and 54
+}
+
+/******************************************************************************/
+// "configuration_bits.c" 12F1848
+/******************************************************************************/
+// CONFIG1
+#pragma config FOSC = INTOSC // Oscillator Selection (INTOSC oscillator: I/O function on CLKIN pin)
+#pragma config WDTE = OFF // Watchdog Timer Enable (WDT disabled)
+#pragma config PWRTE = ON // Power-up Timer Enable (PWRT enabled)
+#pragma config MCLRE = OFF // MCLR Pin Function Select (MCLR/VPP pin function is digital input)
+#pragma config CP = OFF // Flash Program Memory Code Protection (Program memory code protection is disabled)
+#pragma config CPD = OFF // Data Memory Code Protection (Data memory code protection is disabled)
+#pragma config BOREN = ON // Brown-out Reset Enable (Brown-out Reset enabled)
+#pragma config CLKOUTEN = OFF // Clock Out Enable (CLKOUT function is disabled. I/O or oscillator function on the CLKOUT pin)
+#pragma config IESO = OFF // Internal/External Switchover (Internal/External Switchover mode is disabled)
+#pragma config FCMEN = OFF // Fail-Safe Clock Monitor Enable (Fail-Safe Clock Monitor is disabled)
+
+// CONFIG2
+#pragma config WRT = OFF // Flash Memory Self-Write Protection (Write protection off)
+#pragma config PLLEN = OFF // PLL Enable (4x PLL disabled)
+#pragma config STVREN = ON // Stack Overflow/Underflow Reset Enable (Stack Overflow or Underflow will cause a Reset)
+#pragma config BORV = LO // Brown-out Reset Voltage Selection (Brown-out Reset Voltage (Vbor), low trip point selected.)
+#pragma config LVP = OFF // Low-Voltage Programming Enable (High-voltage on MCLR/VPP must be used for programming)
+/******************************************************************************/
+
+/******************************************************************************/
+// UART
+/******************************************************************************/
+
+// This demo module uses RS232 TX via EUSART, only
+
+#define useEUSART 1
+#define BAUD 19200
+
+
+void
+RS232init(void)
+ {
+ // Transmit
+ TXCKSEL = 1; // put TX on pin 4 - not 0 -, p 102
+ SPBRGL = (_XTAL_FREQ/BAUD/64-1);
+ SPBRGH = 0;
+ BRGH = 0;
+ BRG16 = 0;
+ // p 259 manual
+ SYNC = 0; // 0 p. 267
+ SPEN = 1; // 26.1.1.7
+ SCKP = 1; // invert p 269
+ TXEN = 1;
+ }
+
+ // EUSART transmit
+ void
+ putch(char c)
+ {
+ while (!TRMT) _delay(1);
+ TXREG=c;
+ }
+
+/******************************************************************************/
+// Timer and ISR
+/******************************************************************************/
+
+void
+timer1_init(void)
+{
+ // p 154
+ TMR1=0xFC00; // p. 155 wait 1024 cycles for stabilization.
+ TMR1CS1=0; // Clock source == System Clock
+ TMR1CS0=1;
+ TMR1IE=1; // enable TMR1 interrupts
+ PEIE=1; // enable Pheripheral Interrupts
+
+}
+
+
+/******************************************************************************/
+// Interrupt handler
+/******************************************************************************/
+
+void interrupt isr(void)
+{
+ irmp_ISR();
+ TMR1=0xffff-_XTAL_FREQ/F_INTERRUPTS;
+ TMR1IF=0; // clear timer 1 interrupt
+}
+
+/******************************************************************************/
+// MAIN
+/******************************************************************************/
+
+int
+main (void)
+{
+ IRMP_DATA irmp_data;
+ InitApp(); // später inlinen
+
+#if useEUSART
+ RS232init();
+#endif
+ __delay_ms(200);
+ printf("IRMP PIC 12F1840 1.1 ws\r\n");
+ irmp_init(); // initialize irmp
+ timer1_init(); // initialize timer1
+ ei(); // enable interrupts
+ TMR1ON=1; // start timer
+
+ for (;;)
+ {
+ if (irmp_get_data (&irmp_data))
+ {
+ printf("P ");
+ printf("%d a=0x%04x c=0x%04x f=0x%02x (",irmp_data.protocol, irmp_data.address,irmp_data.command,irmp_data.flags);
+
+
+#if IRMP_PROTOCOL_NAMES
+ printf(irmp_protocol_names[irmp_data.protocol]);
+#else
+ switch(irmp_data.protocol)
+ {
+ case 1:
+ printf("Sony");
+ break;
+ case 2:
+ printf("NEC");
+ break;
+ case 7:
+ printf("RC5");
+ break;
+ case 0x21:
+ printf("Ortek");
+ break;
+ }
+#endif
+ printf(")\r\n");
+ }
+ }
+}
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