gdb_if: Allow sleeping on no data for dwc2-using platforms

blackmagic-debug · Dec 16, 2023 · 8eaaa63 · 8eaaa63
1 parent 72f0121
commit 8eaaa63
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/src/platforms/common/stm32/gdb_if.c b/src/platforms/common/stm32/gdb_if.c
@@ -88,15 +88,19 @@ static void gdb_if_update_buf(void)
  count_out = usbd_ep_read_packet(usbdev, CDCACM_GDB_ENDPOINT, buffer_out, CDCACM_PACKET_SIZE);
  out_ptr = 0;
 #else
- __asm__ volatile("cpsid i; isb");
+ cm_disable_interrupts();
+ __asm__ volatile("isb");
  if (count_new) {
  memcpy(buffer_out, double_buffer_out, count_new);
  count_out = count_new;
  count_new = 0;
  out_ptr = 0;
  usbd_ep_nak_set(usbdev, CDCACM_GDB_ENDPOINT, 0);
  }
- __asm__ volatile("cpsie i; isb");
+ cm_enable_interrupts();
+ __asm__ volatile("isb");
+ if (!count_new)
+ __WFI();
 #endif
  if (!count_out)
  __WFI();