M252: Re-organize PinNames.h

This is to support M251 series based targets.

targets/TARGET_NUVOTON/TARGET_M251/PinNamesCommon.h

@@ -0,0 +1,73 @@
+/*
+ * Copyright (c) 2020, Nuvoton Technology Corporation
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef __PIN_NAMES_COMMON_H__
+#define __PIN_NAMES_COMMON_H__
+
+#include "cmsis.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define NU_PININDEX_Pos                             0
+#define NU_PININDEX_Msk                             (0xFFul << NU_PININDEX_Pos)
+#define NU_PINPORT_Pos                              8
+#define NU_PINPORT_Msk                              (0xFul << NU_PINPORT_Pos)
+#define NU_PIN_MODINDEX_Pos                         12
+#define NU_PIN_MODINDEX_Msk                         (0xFul << NU_PIN_MODINDEX_Pos)
+#define NU_PIN_BIND_Pos                             16
+#define NU_PIN_BIND_Msk                             (0x1ul << NU_PIN_BIND_Pos)
+
+#define NU_PININDEX(PINNAME)                        (((unsigned int)(PINNAME) & NU_PININDEX_Msk) >> NU_PININDEX_Pos)
+#define NU_PINPORT(PINNAME)                         (((unsigned int)(PINNAME) & NU_PINPORT_Msk) >> NU_PINPORT_Pos)
+#define NU_PIN_BIND(PINNAME)                        (((unsigned int)(PINNAME) & NU_PIN_BIND_Msk) >> NU_PIN_BIND_Pos)
+#define NU_PIN_MODINDEX(PINNAME)                    (((unsigned int)(PINNAME) & NU_PIN_MODINDEX_Msk) >> NU_PIN_MODINDEX_Pos)
+#define NU_PINNAME(PORT, PIN)                       ((((unsigned int) (PORT)) << (NU_PINPORT_Pos)) | (((unsigned int) (PIN)) << NU_PININDEX_Pos))
+#define NU_PINNAME_BIND(PINNAME, modname)           ((PinName) NU_PINNAME_BIND_(NU_PINPORT(PINNAME), NU_PININDEX(PINNAME), modname))
+#define NU_PINNAME_BIND_(PORT, PIN, modname)        ((((unsigned int)(PORT)) << NU_PINPORT_Pos) | (((unsigned int)(PIN)) << NU_PININDEX_Pos) | (NU_MODINDEX(modname) << NU_PIN_MODINDEX_Pos) | NU_PIN_BIND_Msk)
+
+#define NU_PORT_BASE(PORT)                          ((GPIO_T *)(((uint32_t) GPIOA_BASE) + 0x40 * PORT))
+#define NU_MFP_POS(pin)                             ((pin % 8) * 4)
+#define NU_MFP_MSK(pin)                             (0xful << NU_MFP_POS(pin))
+
+typedef enum {
+    PIN_INPUT,
+    PIN_OUTPUT
+} PinDirection;
+
+typedef enum {
+    /* Input pull mode */
+    PullNone = 0,
+    PullDown,
+    PullUp,
+
+    /* I/O mode */
+    InputOnly,
+    PushPullOutput,
+    OpenDrain,
+    QuasiBidirectional,
+
+    /* Default input pull mode */
+    PullDefault = PullUp
+} PinMode;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // __PIN_NAMES_COMMON_H__

targets/TARGET_NUVOTON/TARGET_M251/TARGET_NUMAKER_IOT_M252/PinNames.h

@@ -20,53 +20,12 @@
 #define MBED_PINNAMES_H
 
 #include "cmsis.h"
+#include "PinNamesCommon.h"
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
-#define NU_PININDEX_Pos                             0
-#define NU_PININDEX_Msk                             (0xFFul << NU_PININDEX_Pos)
-#define NU_PINPORT_Pos                              8
-#define NU_PINPORT_Msk                              (0xFul << NU_PINPORT_Pos)
-#define NU_PIN_MODINDEX_Pos                         12
-#define NU_PIN_MODINDEX_Msk                         (0xFul << NU_PIN_MODINDEX_Pos)
-#define NU_PIN_BIND_Pos                             16
-#define NU_PIN_BIND_Msk                             (0x1ul << NU_PIN_BIND_Pos)
-
-#define NU_PININDEX(PINNAME)                        (((unsigned int)(PINNAME) & NU_PININDEX_Msk) >> NU_PININDEX_Pos)
-#define NU_PINPORT(PINNAME)                         (((unsigned int)(PINNAME) & NU_PINPORT_Msk) >> NU_PINPORT_Pos)
-#define NU_PIN_BIND(PINNAME)                        (((unsigned int)(PINNAME) & NU_PIN_BIND_Msk) >> NU_PIN_BIND_Pos)
-#define NU_PIN_MODINDEX(PINNAME)                    (((unsigned int)(PINNAME) & NU_PIN_MODINDEX_Msk) >> NU_PIN_MODINDEX_Pos)
-#define NU_PINNAME(PORT, PIN)                       ((((unsigned int) (PORT)) << (NU_PINPORT_Pos)) | (((unsigned int) (PIN)) << NU_PININDEX_Pos))
-#define NU_PINNAME_BIND(PINNAME, modname)           ((PinName) NU_PINNAME_BIND_(NU_PINPORT(PINNAME), NU_PININDEX(PINNAME), modname))
-#define NU_PINNAME_BIND_(PORT, PIN, modname)        ((((unsigned int)(PORT)) << NU_PINPORT_Pos) | (((unsigned int)(PIN)) << NU_PININDEX_Pos) | (NU_MODINDEX(modname) << NU_PIN_MODINDEX_Pos) | NU_PIN_BIND_Msk)
-
-#define NU_PORT_BASE(PORT)                          ((GPIO_T *)(((uint32_t) GPIOA_BASE) + 0x40 * PORT))
-#define NU_MFP_POS(pin)                             ((pin % 8) * 4)
-#define NU_MFP_MSK(pin)                             (0xful << NU_MFP_POS(pin))
-
-typedef enum {
-    PIN_INPUT,
-    PIN_OUTPUT
-} PinDirection;
-
-typedef enum {
-    /* Input pull mode */
-    PullNone = 0,
-    PullDown,
-    PullUp,
-    
-    /* I/O mode */
-    InputOnly,
-    PushPullOutput,
-    OpenDrain,
-    QuasiBidirectional,
-    
-    /* Default input pull mode */
-    PullDefault = PullUp
-} PinMode;
-
 typedef enum {
     /* Not connected */
     NC = (int)0xFFFFFFFF,