3 files changed, 20 insertions, 0 deletions
diff --git a/tinyusb/class/cdc_rndis.h b/tinyusb/class/cdc_rndis.h
index 33df6cf6b..c610e5781 100644
--- a/tinyusb/class/cdc_rndis.h
+++ b/tinyusb/class/cdc_rndis.h
@@ -51,6 +51,10 @@
  extern "C" {
 #endif
 
+#ifdef __CC_ARM
+#pragma diag_suppress 66 // Suppress Keil warnings #66-D: enumeration value is out of "int" range
+#endif
+
 /// RNDIS Message Types
 typedef enum {
   RNDIS_MSG_PACKET           = 0x00000001UL, ///< The host and device use this to send network data to one another.
@@ -85,6 +89,10 @@ typedef enum {
   RNDIS_STATUS_MEDIA_DISCONNECT = 0x4001000CUL  ///< Device is disconnected from the medium.
 }rndis_msg_status_t;
 
+#ifdef __CC_ARM
+#pragma diag_default 66 // return Keil 66 to normal severity
+#endif
+
 //--------------------------------------------------------------------+
 // MESSAGE STRUCTURE
 //--------------------------------------------------------------------+
diff --git a/tinyusb/hal/hal_lpc175x_6x.c b/tinyusb/hal/hal_lpc175x_6x.c
index c04b1660c..c611656a6 100644
--- a/tinyusb/hal/hal_lpc175x_6x.c
+++ b/tinyusb/hal/hal_lpc175x_6x.c
@@ -41,6 +41,10 @@
 
 #if TUSB_CFG_MCU == MCU_LPC175X_6X
 
+#ifdef __CC_ARM
+#pragma diag_suppress 66 // Suppress Keil warnings #66-D: enumeration value is out of "int" range
+#endif
+
 //--------------------------------------------------------------------+
 // IMPLEMENTATION
 //--------------------------------------------------------------------+
diff --git a/tinyusb/host/ohci/ohci.c b/tinyusb/host/ohci/ohci.c
index 63b30e0ac..5bd7db475 100644
--- a/tinyusb/host/ohci/ohci.c
+++ b/tinyusb/host/ohci/ohci.c
@@ -79,6 +79,10 @@ enum {
   OHCI_PERIODIC_START = 0x3E67
 };
 
+#ifdef __CC_ARM
+#pragma diag_suppress 66 // Suppress Keil warnings #66-D: enumeration value is out of "int" range
+#endif
+
 enum {
   OHCI_INT_SCHEDULING_OVERUN_MASK    = BIT_(0),
   OHCI_INT_WRITEBACK_DONEHEAD_MASK   = BIT_(1),
@@ -92,6 +96,10 @@ enum {
   OHCI_INT_MASTER_ENABLE_MASK        = BIT_(31),
 };
 
+#ifdef __CC_ARM
+#pragma diag_default 66 // return Keil 66 to normal severity
+#endif
+
 enum {
   OHCI_RHPORT_CURRENT_CONNECT_STATUS_MASK      = BIT_(0),
   OHCI_RHPORT_PORT_ENABLE_STATUS_MASK          = BIT_(1),