added prescaler for 16 bit pwm in LPC1347 target

Fork of mbed-dev by mbed official

Revision:
144:ef7eb2e8f9f7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/hal/TARGET_NUVOTON/nu_miscutil.c	Fri Sep 02 15:07:44 2016 +0100
@@ -0,0 +1,61 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2015-2016 Nuvoton
+ *
+ * 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.
+ */
+
+#include "mbed_assert.h"
+#include "PinNames.h"
+#include "nu_miscutil.h"
+
+void nu_nop(uint32_t n)
+{
+    uint32_t times = n / 10;
+    uint32_t rmn = n % 10;
+    
+    while (times --) {
+        __NOP();
+        __NOP();
+        __NOP();
+        __NOP();
+        __NOP();
+        __NOP();
+        __NOP();
+        __NOP();
+        __NOP();
+        __NOP();
+    }
+    
+    switch (rmn) {
+        case 9:
+            __NOP();
+        case 8:
+            __NOP();
+        case 7:
+            __NOP();
+        case 6:
+            __NOP();
+        case 5:
+            __NOP();
+        case 4:
+            __NOP();
+        case 3:
+            __NOP();
+        case 2:
+            __NOP();
+        case 1:
+            __NOP();
+        default:
+            break;
+    }
+}