altos/stm: Interrupt priority is in the upper bits of the priority mask

[fw/altos] / src / stm / ao_timer.c

diff --git a/src/stm/ao_timer.c b/src/stm/ao_timer.c
index b25dbd1acf071145f58b5c03745337db083db511..a641eb2a7656e147ddd216fab0c92decea12a1ab 100644 (file)
--- a/src/stm/ao_timer.c
+++ b/src/stm/ao_timer.c
@@ -42,7 +42,6 @@ volatile __data uint8_t       ao_data_count;
 
 void stm_systick_isr(void)
 {
-       ao_arch_release_interrupts();
        ao_validate_cur_stack();
        ++ao_tick_count;
 #if HAS_TASK_QUEUE
@@ -89,7 +88,7 @@ ao_timer_init(void)
        stm_systick.csr = ((1 << STM_SYSTICK_CSR_ENABLE) |
                           (1 << STM_SYSTICK_CSR_TICKINT) |
                           (STM_SYSTICK_CSR_CLKSOURCE_HCLK_8 << STM_SYSTICK_CSR_CLKSOURCE));
-       stm_nvic.shpr15_12 |= 0xff << 24;
+       stm_nvic.shpr15_12 |= AO_STM_NVIC_CLOCK_PRIORITY << 24;
 }
 
 #endif