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

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

diff --git a/src/stm/ao_usb_stm.c b/src/stm/ao_usb_stm.c
index 9d72844e0c1a6710c06700f9725c13aae9d622a7..2abaf10fddefe415a2c4d5d25eeda6606facb2a4 100644 (file)
--- a/src/stm/ao_usb_stm.c
+++ b/src/stm/ao_usb_stm.c
@@ -1015,7 +1015,7 @@ ao_usb_enable(void)
        ao_arch_block_interrupts();
 
        /* Route interrupts */
-       stm_nvic_set_priority(STM_ISR_USB_LP_POS, 3);
+       stm_nvic_set_priority(STM_ISR_USB_LP_POS, AO_STM_NVIC_LOW_PRIORITY);
        stm_nvic_set_enable(STM_ISR_USB_LP_POS);
 
        ao_usb_configuration = 0;