Merge branch 'libopencm3' of cu.loc:git/irmp into libopencm3

[irmp.git] / irmp-main-stellaris-arm.c

/*---------------------------------------------------------------------------------------------------------------------------------------------------\r
 * irmp-main-stellaris-arm.c - demo main module to test IRMP decoder on LM4F120 Launchpad (ARM Cortex M4)\r
 *\r
 * Copyright (c) 2009-2016 Frank Meyer - frank(at)fli4l.de\r
 *\r
 * $Id: irmp-main-stellaris-arm.c,v 1.1 2016/01/12 11:55:05 fm Exp $\r
 *\r
 * This demo module is runnable on LM4F120 Launchpad (ARM Cortex M4)\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
#include "irmp.h"\r
\r
#ifndef F_CPU\r
#error F_CPU unknown\r
#endif\r
\r
void\r
timer1_init (void)\r
{\r
    SysCtlPeripheralEnable(SYSCTL_PERIPH_TIMER1);\r
    TimerConfigure(TIMER1_BASE, TIMER_CFG_32_BIT_PER);\r
\r
    TimerLoadSet(TIMER1_BASE, TIMER_A, (F_CPU / F_INTERRUPTS) -1);\r
    IntEnable(INT_TIMER1A);\r
    TimerIntEnable(TIMER1_BASE, TIMER_TIMA_TIMEOUT);\r
    TimerEnable(TIMER1_BASE, TIMER_A);\r
    // Important: Timer1IntHandler has to be configured in startup_ccs.c !\r
}\r
\r
void\r
Timer1IntHandler(void)                                                      // Timer1 Interrupt Handler\r
{\r
  (void) irmp_ISR();                                                        // call irmp ISR\r
  // call other timer interrupt routines...\r
}\r
\r
int\r
main (void)\r
{\r
    IRMP_DATA irmp_data;\r
\r
    ROM_FPUEnable();\r
    ROM_FPUStackingEnable();\r
    ROM_SysCtlClockSet(SYSCTL_SYSDIV_5|SYSCTL_USE_PLL|SYSCTL_XTAL_16MHZ|SYSCTL_OSC_MAIN);\r
\r
    irmp_init();                                                            // initialize irmp\r
    timer1_init();                                                          // initialize timer1\r
    sei ();                                                                 // enable interrupts\r
\r
    for (;;)\r
    {\r
        if (irmp_get_data (&irmp_data))\r
        {\r
            // ir signal decoded, do something here...\r
            // irmp_data.protocol is the protocol, see irmp.h\r
            // irmp_data.address is the address/manufacturer code of ir sender\r
            // irmp_data.command is the command code\r
            // irmp_protocol_names[irmp_data.protocol] is the protocol name (if enabled, see irmpconfig.h)\r
        }\r
    }\r
}\r