diff options
Diffstat (limited to 'src/irq.c')
| -rw-r--r-- | src/irq.c | 16 |
1 files changed, 13 insertions, 3 deletions
@@ -37,8 +37,6 @@ void rt_interrupt_enter() { rt_base_t level; - RT_DEBUG_REENT_IN - RT_DEBUG_LOG(RT_DEBUG_IRQ,("irq comming..., irq nest:%d\n", rt_interrupt_nest)); level = rt_hw_interrupt_disable(); @@ -62,8 +60,20 @@ void rt_interrupt_leave() level = rt_hw_interrupt_disable(); rt_interrupt_nest --; rt_hw_interrupt_enable(level); +} - RT_DEBUG_REENT_OUT +/** + * This function will return the nest of interrupt. + * + * User application can invoke this function to get whenther current + * context is interrupt context. + * + * @return the number of nested interrupts. + */ +rt_uint8_t rt_interrupt_get_nest(void) +{ + return rt_interrupt_nest; } /*@}*/ + |
