fix: add usb otg out_maxsize assertions

ChibiOS · Apr 18, 2023 · a74a2ed · a74a2ed
1 parent e4ad729
commit a74a2ed
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/os/hal/ports/STM32/LLD/OTGv1/hal_usb_lld.c b/os/hal/ports/STM32/LLD/OTGv1/hal_usb_lld.c
@@ -956,6 +956,9 @@ void usb_lld_reset(USBDriver *usbp) {
   otgp->DIEPTXF0 = DIEPTXF_INEPTXFD(ep0config.in_maxsize / 4) |
                    DIEPTXF_INEPTXSA(otg_ram_alloc(usbp,
                                                   ep0config.in_maxsize / 4));
+
+  osalDbgAssert(ep0config.out_maxsize <= usbp->otgparams->rx_fifo_size * 4,
+                "Endpoint 0 out_maxsize exceeds RX FIFO buffer.");
 }
 
 /**
@@ -1004,6 +1007,10 @@ void usb_lld_init_endpoint(USBDriver *usbp, usbep_t ep) {
   /* OUT endpoint activation or deactivation.*/
   otgp->oe[ep].DOEPTSIZ = 0;
   if (usbp->epc[ep]->out_state != NULL) {
+    osalDbgAssert(usbp->epc[ep]->out_maxsize <=
+                  usbp->otgparams->rx_fifo_size * 4,
+                  "Endpoint out_maxsize exceeds RX FIFO buffer.");
+
     otgp->oe[ep].DOEPCTL = ctl | DOEPCTL_MPSIZ(usbp->epc[ep]->out_maxsize);
     otgp->DAINTMSK |= DAINTMSK_OEPM(ep);
   }