Paparazzi UAS  v5.0.5_stable-7-g4b8bbb7
Paparazzi is a free software Unmanned Aircraft System.
 All Data Structures Files Functions Variables Typedefs Enumerations Enumerator Macros Modules Pages
max1168_arch.c
Go to the documentation of this file.
1 /*
2  * Copyright (C) 2010 Antoine Drouin <poinix@gmail.com>
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 #include "peripherals/max1168.h"
22 
23 #include "libopencm3/stm32/f1/rcc.h"
24 #include "libopencm3/stm32/f1/gpio.h"
25 #include "libopencm3/stm32/exti.h"
26 #include "libopencm3/stm32/f1/nvic.h"
27 
28 void max1168_arch_init( void ) {
29 
30  /* configure external interrupt exti2 on PD2( data ready ) v1.0*/
31  /* PB2( data ready ) v1.1*/
32  rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPBEN | RCC_APB2ENR_AFIOEN);
33  gpio_set_mode(GPIOB, GPIO_MODE_INPUT,
34  GPIO_CNF_INPUT_FLOAT, GPIO2);
35 
36  exti_select_source(EXTI2, GPIOB);
37  exti_set_trigger(EXTI2, EXTI_TRIGGER_FALLING);
38  exti_enable_request(EXTI2);
39 
40  nvic_set_priority(NVIC_EXTI2_IRQ, 0xF);
41  nvic_enable_irq(NVIC_EXTI2_IRQ);
42 
43 }
44 
45 void exti2_isr(void) {
46 
47  /* clear EXTI */
48  exti_reset_request(EXTI2);
49 
51 
52 }
53 
void exti2_isr(void)
Definition: max1168_arch.c:45
void max1168_arch_init(void)
Definition: max1168_arch.c:31
volatile uint8_t max1168_status
Definition: max1168.c:27
#define MAX1168_GOT_EOC
Definition: max1168.h:61