diff options
| -rw-r--r-- | src/core/ao_task.c | 11 | ||||
| -rw-r--r-- | src/core/ao_task.h | 1 |
2 files changed, 10 insertions, 2 deletions
diff --git a/src/core/ao_task.c b/src/core/ao_task.c index 0411fbdd..9cb074b5 100644 --- a/src/core/ao_task.c +++ b/src/core/ao_task.c @@ -305,6 +305,8 @@ ao_add_task(__xdata struct ao_task * task, void (*start)(void), __code char *nam ); } +__data uint8_t ao_task_minimize_latency; + /* Task switching function. This must not use any stack variables */ void ao_yield(void) ao_arch_naked_define @@ -331,7 +333,12 @@ ao_yield(void) ao_arch_naked_define } ao_arch_isr_stack(); - ao_arch_block_interrupts(); +#if !HAS_TASK_QUEUE + if (ao_task_minimize_latency) + ao_arch_release_interrupts(); + else +#endif + ao_arch_block_interrupts(); #if AO_CHECK_STACK in_yield = 1; @@ -374,7 +381,7 @@ ao_yield(void) ao_arch_naked_define break; /* Wait for interrupts when there's nothing ready */ - if (ao_cur_task_index == ao_last_task_index) + if (ao_cur_task_index == ao_last_task_index && !ao_task_minimize_latency) ao_arch_wait_interrupt(); } } diff --git a/src/core/ao_task.h b/src/core/ao_task.h index 049f69a7..50bfb220 100644 --- a/src/core/ao_task.h +++ b/src/core/ao_task.h @@ -47,6 +47,7 @@ struct ao_task { extern __xdata struct ao_task * __xdata ao_tasks[AO_NUM_TASKS]; extern __data uint8_t ao_num_tasks; extern __xdata struct ao_task *__data ao_cur_task; +extern __data uint8_t ao_task_minimize_latency; /* Reduce IRQ latency */ /* ao_task.c |