Version 3.0.2

[irmp.git] / irmp-main-stm32.c

/*---------------------------------------------------------------------------------------------------------------------------------------------------\r
 * irmp-main-stm32.c - demo main module to test IRMP decoder on STM32\r
 *\r
 * Copyright (c) 2009-2016 Frank Meyer - frank(at)fli4l.de\r
 *\r
 * $Id: irmp-main-stm32.c,v 1.2 2016/01/12 21:15:16 fm Exp $\r
 *\r
 * This demo module is runnable on STM32\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
uint32_t\r
SysCtlClockGet(void)\r
{\r
    RCC_ClocksTypeDef RCC_ClocksStatus;\r
    RCC_GetClocksFreq(&RCC_ClocksStatus);\r
    return RCC_ClocksStatus.SYSCLK_Frequency;\r
}\r
\r
void\r
timer2_init (void)\r
{\r
    TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;\r
    NVIC_InitTypeDef NVIC_InitStructure;\r
    RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);\r
\r
    TIM_TimeBaseStructure.TIM_ClockDivision                 = TIM_CKD_DIV1;\r
    TIM_TimeBaseStructure.TIM_CounterMode                   = TIM_CounterMode_Up;\r
    TIM_TimeBaseStructure.TIM_Period                        = 7;\r
    TIM_TimeBaseStructure.TIM_Prescaler                     = ((F_CPU / F_INTERRUPTS)/8) - 1;\r
    TIM_TimeBaseInit(TIM2, &TIM_TimeBaseStructure);\r
\r
    TIM_ITConfig(TIM2, TIM_IT_Update, ENABLE);\r
\r
    NVIC_InitStructure.NVIC_IRQChannel                      = TIM2_IRQn;\r
    NVIC_InitStructure.NVIC_IRQChannelCmd                   = ENABLE;\r
    NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority    = 0x0F;\r
    NVIC_InitStructure.NVIC_IRQChannelSubPriority           = 0x0F;\r
    NVIC_Init(&NVIC_InitStructure);\r
\r
    TIM_Cmd(TIM2, ENABLE);\r
}\r
\r
void\r
TIM2_IRQHandler(void)                                                       // Timer2 Interrupt Handler\r
{\r
  TIM_ClearITPendingBit(TIM2, TIM_IT_Update);\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
    irmp_init();                                                            // initialize irmp\r
    timer2_init();                                                          // initialize timer2\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