调整中断优先级

2022-10-03 20:11:07 +08:00 · 2022-10-03 20:11:07 +08:00 · b151f41df5
parent b2a471a866
commit b151f41df5
1 changed files with 2 additions and 2 deletions
--- a/src/main/drivers/usb_msc_at32f43x.c
+++ b/src/main/drivers/usb_msc_at32f43x.c
@ -242,8 +242,8 @@ uint8_t mscStart(void)
     /* select usb 48m clcok source */
     msc_usb_clock48m_select(USB_CLK_HEXT);

-     /* enable otgfs irq */
-     nvic_irq_enable(OTG_IRQ, 0, 0);
+     /* enable otgfs irq ，使用NVIC_PRIO_USB(2,0) 优先级，否则会打断SPI dma 传输*/
+     nvic_irq_enable(OTG_IRQ, NVIC_PRIORITY_BASE(NVIC_PRIO_USB), NVIC_PRIORITY_SUB(NVIC_PRIO_USB));

     usbd_init(&otg_core_struct,
              USB_FULL_SPEED_CORE_ID,