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/*---------------------------------------------------------------------------------------------------------------------------------------------------
* irmp-main-stm32.c - demo main module to test IRMP decoder on STM32
*
* Copyright (c) 2009-2016 Frank Meyer - frank(at)fli4l.de
*
* $Id: irmp-main-stm32.c,v 1.4 2017/02/17 09:13:06 fm Exp $
*
* This demo module is runnable on STM32
*
* 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.
*---------------------------------------------------------------------------------------------------------------------------------------------------
*/
#include "irmp.h"
#ifndef F_CPU
#error F_CPU unknown
#endif
uint32_t
SysCtlClockGet(void)
{
RCC_ClocksTypeDef RCC_ClocksStatus;
RCC_GetClocksFreq(&RCC_ClocksStatus);
return RCC_ClocksStatus.SYSCLK_Frequency;
}
void
timer2_init (void)
{
TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
NVIC_InitTypeDef NVIC_InitStructure;
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);
TIM_TimeBaseStructure.TIM_ClockDivision = TIM_CKD_DIV1;
TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
TIM_TimeBaseStructure.TIM_Period = 7;
TIM_TimeBaseStructure.TIM_Prescaler = ((F_CPU / F_INTERRUPTS)/8) - 1;
TIM_TimeBaseInit(TIM2, &TIM_TimeBaseStructure);
TIM_ITConfig(TIM2, TIM_IT_Update, ENABLE);
NVIC_InitStructure.NVIC_IRQChannel = TIM2_IRQn;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x0F;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x0F;
NVIC_Init(&NVIC_InitStructure);
TIM_Cmd(TIM2, ENABLE);
}
void
TIM2_IRQHandler(void) // Timer2 Interrupt Handler
{
TIM_ClearITPendingBit(TIM2, TIM_IT_Update);
(void) irmp_ISR(); // call irmp ISR
// call other timer interrupt routines...
}
int
main (void)
{
IRMP_DATA irmp_data;
irmp_init(); // initialize irmp
timer2_init(); // initialize timer2
for (;;)
{
if (irmp_get_data (&irmp_data))
{
// ir signal decoded, do something here...
// irmp_data.protocol is the protocol, see irmp.h
// irmp_data.address is the address/manufacturer code of ir sender
// irmp_data.command is the command code
// irmp_protocol_names[irmp_data.protocol] is the protocol name (if enabled, see irmpconfig.h)
}
}
}
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