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Added buzzer circuit breaker.

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This commit is contained in:
jgoppert 2015-10-24 10:11:03 -04:00 committed by Lorenz Meier
parent ca052ac68a
commit 06472861ce
2 changed files with 33 additions and 2 deletions
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20
src/drivers/stm32/tone_alarm/tone_alarm.cpp
View File

@ -116,6 +116,7 @@
#include <stm32_tim.h>
#include <systemlib/err.h>
#include <systemlib/circuit_breaker.h>
/* Check that tone alarm and HRT timers are different */
#if defined(TONE_ALARM_TIMER) && defined(HRT_TIMER)
@ -273,6 +274,8 @@
# define rDMAR REG(STM32_GTIM_DMAR_OFFSET)
#endif
#define CBRK_BUZZER_KEY 782097
class ToneAlarm : public device::CDev
{
public:
@ -288,6 +291,12 @@ public:
return _tune_names[tune];
}
enum {
CBRK_OFF = 0,
CBRK_ON,
CBRK_UNINIT
};
private:
static const unsigned _tune_max = 1024 * 8; // be reasonable about user tunes
const char *_default_tunes[TONE_NUMBER_OF_TUNES];
@ -307,6 +316,7 @@ private:
unsigned _octave;
unsigned _silence_length; // if nonzero, silence before next note
bool _repeat; // if true, tune restarts at end
int _cbrk; //if true, no audio output
hrt_call _note_call; // HRT callout for note completion
@ -375,7 +385,8 @@ ToneAlarm::ToneAlarm() :
_default_tune_number(0),
_user_tune(nullptr),
_tune(nullptr),
_next(nullptr)
_next(nullptr),
_cbrk(CBRK_UNINIT)
{
// enable debug() calls
//_debug_enabled = true;
@ -537,6 +548,13 @@ ToneAlarm::rest_duration(unsigned rest_length, unsigned dots)
void
ToneAlarm::start_note(unsigned note)
{
// check if circuit breaker is enabled
if (_cbrk == CBRK_UNINIT) {
_cbrk = circuit_breaker_enabled("CBRK_BUZZER", CBRK_BUZZER_KEY);
}
if (_cbrk != CBRK_OFF) { return; }
// compute the divisor
unsigned divisor = note_to_divisor(note);

15
src/modules/systemlib/circuit_breaker_params.c
View File

@ -133,4 +133,17 @@ PARAM_DEFINE_INT32(CBRK_ENGINEFAIL, 284953);
* @max 240024
* @group Circuit Breaker
*/
PARAM_DEFINE_INT32(CBRK_GPSFAIL, 240024);
PARAM_DEFINE_INT32(CBRK_GPSFAIL, 240024);
/**
* Circuit breaker for disabling buzzer
*
* Setting this parameter to 782097 will disable the buzzer audio notification.
*
* WARNING: ENABLING THIS CIRCUIT BREAKER IS AT OWN RISK
*
* @min 0
* @max 782097
* @group Circuit Breaker
*/
PARAM_DEFINE_INT32(CBRK_BUZZER, 0);