diff options
Diffstat (limited to 'src/modules')
-rw-r--r-- | src/modules/px4iofirmware/px4io.c | 41 | ||||
-rw-r--r-- | src/modules/px4iofirmware/px4io.h | 1 | ||||
-rw-r--r-- | src/modules/px4iofirmware/safety.c | 8 |
3 files changed, 37 insertions, 13 deletions
diff --git a/src/modules/px4iofirmware/px4io.c b/src/modules/px4iofirmware/px4io.c index d8ebb43e9..dba35752e 100644 --- a/src/modules/px4iofirmware/px4io.c +++ b/src/modules/px4iofirmware/px4io.c @@ -228,23 +228,42 @@ user_start(int argc, char *argv[]) /* initialize PWM limit lib */ pwm_limit_init(&pwm_limit); - /* not enough memory, lock down */ - if (minfo.mxordblk < 500) { + /* + * P O L I C E L I G H T S + * + * Not enough memory, lock down. + * + * We might need to allocate mixers later, and this will + * ensure that a developer doing a change will notice + * that he just burned the remaining RAM with static + * allocations. We don't want him to be able to + * get past that point. This needs to be clearly + * documented in the dev guide. + * + */ + if (minfo.mxordblk < 600) { + lowsyslog("ERR: not enough MEM"); bool phase = false; - if (phase) { - LED_AMBER(true); - LED_BLUE(false); - } else { - LED_AMBER(false); - LED_BLUE(true); - } + while (true) { - phase = !phase; - up_udelay(300000); + if (phase) { + LED_AMBER(true); + LED_BLUE(false); + } else { + LED_AMBER(false); + LED_BLUE(true); + } + up_udelay(250000); + + phase = !phase; + } } + /* Start the failsafe led init */ + failsafe_led_init(); + /* * Run everything in a tight loop. */ diff --git a/src/modules/px4iofirmware/px4io.h b/src/modules/px4iofirmware/px4io.h index d7f3e9adb..bffbc0ce2 100644 --- a/src/modules/px4iofirmware/px4io.h +++ b/src/modules/px4iofirmware/px4io.h @@ -184,6 +184,7 @@ extern void mixer_handle_text(const void *buffer, size_t length); * Safety switch/LED. */ extern void safety_init(void); +extern void failsafe_led_init(void); /** * FMU communications diff --git a/src/modules/px4iofirmware/safety.c b/src/modules/px4iofirmware/safety.c index cdb54a80a..2ce479ffd 100644 --- a/src/modules/px4iofirmware/safety.c +++ b/src/modules/px4iofirmware/safety.c @@ -84,7 +84,11 @@ safety_init(void) { /* arrange for the button handler to be called at 10Hz */ hrt_call_every(&arming_call, 1000, 100000, safety_check_button, NULL); +} +void +failsafe_led_init(void) +{ /* arrange for the failsafe blinker to be called at 8Hz */ hrt_call_every(&failsafe_call, 1000, 125000, failsafe_blink, NULL); } @@ -165,8 +169,8 @@ failsafe_blink(void *arg) /* indicate that a serious initialisation error occured */ if (!(r_status_flags & PX4IO_P_STATUS_FLAGS_INIT_OK)) { LED_AMBER(true); - return; - } + return; + } static bool failsafe = false; |