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ea29682a | 1 | /*---------------------------------------------------------------------------------------------------------------------------------------------------\r |
2 | * irmp-main-stm32.c - demo main module to test IRMP decoder on STM32\r | |
3 | *\r | |
7365350c | 4 | * Copyright (c) 2009-2016 Frank Meyer - frank(at)fli4l.de\r |
ea29682a | 5 | *\r |
30d1689d | 6 | * $Id: irmp-main-stm32.c,v 1.4 2017/02/17 09:13:06 fm Exp $\r |
ea29682a | 7 | *\r |
8 | * This demo module is runnable on STM32\r | |
9 | *\r | |
10 | * This program is free software; you can redistribute it and/or modify\r | |
11 | * it under the terms of the GNU General Public License as published by\r | |
12 | * the Free Software Foundation; either version 2 of the License, or\r | |
13 | * (at your option) any later version.\r | |
14 | *---------------------------------------------------------------------------------------------------------------------------------------------------\r | |
15 | */\r | |
16 | \r | |
17 | #include "irmp.h"\r | |
18 | \r | |
19 | #ifndef F_CPU\r | |
20 | #error F_CPU unknown\r | |
21 | #endif\r | |
22 | \r | |
23 | uint32_t\r | |
24 | SysCtlClockGet(void)\r | |
25 | {\r | |
26 | RCC_ClocksTypeDef RCC_ClocksStatus;\r | |
27 | RCC_GetClocksFreq(&RCC_ClocksStatus);\r | |
28 | return RCC_ClocksStatus.SYSCLK_Frequency;\r | |
29 | }\r | |
30 | \r | |
31 | void\r | |
32 | timer2_init (void)\r | |
33 | {\r | |
34 | TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;\r | |
35 | NVIC_InitTypeDef NVIC_InitStructure;\r | |
36 | RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);\r | |
37 | \r | |
38 | TIM_TimeBaseStructure.TIM_ClockDivision = TIM_CKD_DIV1;\r | |
39 | TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;\r | |
40 | TIM_TimeBaseStructure.TIM_Period = 7;\r | |
41 | TIM_TimeBaseStructure.TIM_Prescaler = ((F_CPU / F_INTERRUPTS)/8) - 1;\r | |
42 | TIM_TimeBaseInit(TIM2, &TIM_TimeBaseStructure);\r | |
43 | \r | |
44 | TIM_ITConfig(TIM2, TIM_IT_Update, ENABLE);\r | |
45 | \r | |
46 | NVIC_InitStructure.NVIC_IRQChannel = TIM2_IRQn;\r | |
47 | NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;\r | |
48 | NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x0F;\r | |
49 | NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x0F;\r | |
50 | NVIC_Init(&NVIC_InitStructure);\r | |
51 | \r | |
52 | TIM_Cmd(TIM2, ENABLE);\r | |
53 | }\r | |
54 | \r | |
55 | void\r | |
56 | TIM2_IRQHandler(void) // Timer2 Interrupt Handler\r | |
57 | {\r | |
58 | TIM_ClearITPendingBit(TIM2, TIM_IT_Update);\r | |
59 | (void) irmp_ISR(); // call irmp ISR\r | |
60 | // call other timer interrupt routines...\r | |
61 | }\r | |
62 | \r | |
63 | int\r | |
64 | main (void)\r | |
65 | {\r | |
66 | IRMP_DATA irmp_data;\r | |
30d1689d | 67 | \r |
ea29682a | 68 | irmp_init(); // initialize irmp\r |
69 | timer2_init(); // initialize timer2\r | |
70 | \r | |
71 | for (;;)\r | |
72 | {\r | |
73 | if (irmp_get_data (&irmp_data))\r | |
74 | {\r | |
75 | // ir signal decoded, do something here...\r | |
76 | // irmp_data.protocol is the protocol, see irmp.h\r | |
77 | // irmp_data.address is the address/manufacturer code of ir sender\r | |
78 | // irmp_data.command is the command code\r | |
79 | // irmp_protocol_names[irmp_data.protocol] is the protocol name (if enabled, see irmpconfig.h)\r | |
80 | }\r | |
81 | }\r | |
82 | }\r |