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added battery_buzzer module

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This commit is contained in:
Felix Ruess
2012-04-05 12:17:06 +02:00
parent 2b0059a23f
commit 136afade8f
3 changed files with 108 additions and 0 deletions
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conf/modules/battery_buzzer.xml
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<!DOCTYPE module SYSTEM "module.dtd">
<module name="battery_buzzer">
<header>
<file name="battery_buzzer.h"/>
</header>
<init fun="battery_buzzer_init()"/>
<periodic fun="battery_buzzer_periodic()" freq="5."/>
<makefile target="ap">
<file name="battery_buzzer.c"/>
<raw>
ifneq ($(ARCH), stm32)
$(error The battery_buzzer module is currently only implemented for STM32 based boards.)
endif
</raw>
</makefile>
</module>
sw/airborne/modules/battery_buzzer/battery_buzzer.c
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/*
* Copyright (C) 2010 Eric Parsonage
* Copyright (C) 2011 Piotr Esden-Tempski <piotr@esden.net>
*
* This file is part of paparazzi.
*
* paparazzi 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, or (at your option)
* any later version.
*
* paparazzi is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with paparazzi; see the file COPYING. If not, write to
* the Free Software Foundation, 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/** @file battery_buzzer.c
* Simple module to toggle a gpio with connected buzzer on Lisa/M,
* when battery voltage drops below a certain level.
*/
#include <stm32/gpio.h>
#include <stm32/rcc.h>
#include "battery_buzzer.h"
#include "generated/airframe.h"
#include "subsystems/electrical.h"
/* initialises GPIO pins */
void battery_buzzer_init(void) {
/* initialise peripheral clock for port C */
RCC_APB2PeriphClockCmd( RCC_APB2Periph_GPIOC, ENABLE);
GPIO_InitTypeDef GPIO_InitStructure;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOC, &GPIO_InitStructure);
/* set port C pin 10 to be low */
GPIO_WriteBit(GPIOC, GPIO_Pin_10, Bit_SET);
battery_buzzer_periodic();
}
/* sets GPIO pins */
void battery_buzzer_periodic(void) {
if (electrical.vsupply < (MIN_BAT_LEVEL * 10)) {
GPIO_WriteBit(GPIOC, GPIO_Pin_10 , Bit_RESET);
} else {
GPIO_WriteBit(GPIOC, GPIO_Pin_10 , Bit_SET);
}
}
sw/airborne/modules/battery_buzzer/battery_buzzer.h
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/*
* Copyright (C) 2010 Eric Parsonage
* Copyright (C) 2011 Piotr Esden-Tempski <piotr@esden.net>
*
* This file is part of paparazzi.
*
* paparazzi 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, or (at your option)
* any later version.
*
* paparazzi is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with paparazzi; see the file COPYING. If not, write to
* the Free Software Foundation, 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef BATTERY_BUZZER_H
#define BATTERY_BUZZER_H
#include "std.h"
extern void battery_buzzer_init(void);
extern void battery_buzzer_periodic(void);
#endif /* BATTERY_BUZZER_H */