Paparazzi UAS  v5.2.2_stable-0-gd6b9f29
Paparazzi is a free software Unmanned Aircraft System.
 All Data Structures Files Functions Variables Typedefs Enumerations Enumerator Macros Modules Pages
mcu_arch.h
Go to the documentation of this file.
1 /*
2  * Copyright (C) 2010-2012 The Paparazzi team
3  *
4  * This file is part of Paparazzi.
5  *
6  * Paparazzi is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2, or (at your option)
9  * any later version.
10  *
11  * Paparazzi is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with Paparazzi; see the file COPYING. If not, write to
18  * the Free Software Foundation, 59 Temple Place - Suite 330,
19  * Boston, MA 02111-1307, USA.
20  *
21  */
22 
30 #ifndef STM32_MCU_ARCH_H
31 #define STM32_MCU_ARCH_H
32 
33 #include "std.h"
34 #include <libopencm3/stm32/timer.h>
35 
36 extern void mcu_arch_init(void);
37 
38 
39 /* should probably not be here
40  * a couple of macros to use the rev instruction
41  */
42 #define MyByteSwap16(in, out) { \
43  asm volatile ( \
44  "rev16 %0, %1\n\t" \
45  : "=r" (out) \
46  : "r"(in) \
47  ); \
48  }
49 
50 #define mcu_int_enable() {}
51 #define mcu_int_disable() {}
52 
54 #ifdef TIM9_BASE
55 #define TIM9 TIM9_BASE
56 #endif
57 #ifdef TIM12_BASE
58 #define TIM12 TIM12_BASE
59 #endif
60 
61 uint32_t timer_get_frequency(uint32_t timer_peripheral);
62 
63 #endif /* STM32_MCU_ARCH_H */
uint32_t timer_get_frequency(uint32_t timer_peripheral)
Get Timer clock frequency (before prescaling) Only valid if using the internal clock for the timer...
Definition: mcu_arch.c:139
unsigned long uint32_t
Definition: types.h:18
void mcu_arch_init(void)
Definition: mcu_arch.c:40