diff options
Diffstat (limited to 'nuttx/arch/pjrc-8051/src/up_leds.c')
| -rw-r--r-- | nuttx/arch/pjrc-8051/src/up_leds.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/nuttx/arch/pjrc-8051/src/up_leds.c b/nuttx/arch/pjrc-8051/src/up_leds.c index 41d8ac8fa..c7730ac3e 100644 --- a/nuttx/arch/pjrc-8051/src/up_leds.c +++ b/nuttx/arch/pjrc-8051/src/up_leds.c @@ -57,7 +57,7 @@ static ubyte g_ledstate; * Private Functions ************************************************************/ -#if defined(CONFIG_LED_DEBUG) && defined(CONFIG_8051_LEDS) +#if defined(CONFIG_LED_DEBUG) && defined(CONFIG_ARCH_LEDS) static void _up_puthex(ubyte hex) __naked { hex; /* To avoid unreferenced argument warning */ @@ -122,7 +122,7 @@ static void _up_putnl(void) __naked * Name: up_ledinit ************************************************************/ -#ifdef CONFIG_8051_LEDS +#ifdef CONFIG_ARCH_LEDS void up_ledinit(void) { /* Set all ports as outputs */ @@ -143,6 +143,10 @@ void up_ledinit(void) void up_ledon(ubyte led) { + /* This may be called from an interrupt handler */ + + irqstate_t flags = irqsave(); + #ifdef RESET_KLUDGE_NEEDED /* I don't understand why this happens yet, but sometimes * it is necessary to reconfigure port E. @@ -164,6 +168,7 @@ void up_ledon(ubyte led) } _up_showledon(); + irqrestore(flags); } /************************************************************ @@ -172,6 +177,10 @@ void up_ledon(ubyte led) void up_ledoff(ubyte led) { + /* This may be called from an interrupt handler */ + + irqstate_t flags = irqsave(); + #ifdef RESET_KLUDGE_NEEDED /* I don't understand why this happens yet, but sometimes * it is necessary to reconfigure port E. @@ -193,5 +202,6 @@ void up_ledoff(ubyte led) } _up_showledoff(); + irqrestore(flags); } -#endif /* CONFIG_8051_LEDS */ +#endif /* CONFIG_ARCH_LEDS */ |