Diff: targets/TARGET_RENESAS/TARGET_RZ_A1XX/mtu2.c

Revision:

187:0387e8f68319

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/TARGET_RENESAS/TARGET_RZ_A1XX/mtu2.c	Thu Sep 06 13:40:20 2018 +0100
@@ -0,0 +1,43 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2017 ARM Limited
+ *
+ * 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_drv_cfg.h"
+
+#if (defined(FUMC_MTU2_PWM) || defined(DEVICE_LPTICKER))
+#include "mtu2.h"
+
+static int mtu2_used_cnt = 0;
+
+void mtu2_init(void)
+{
+    if (mtu2_used_cnt == 0) {
+        CPGSTBCR3 &= ~(CPG_STBCR3_BIT_MSTP33);
+    }
+    if (mtu2_used_cnt < 256) {
+        mtu2_used_cnt++;
+    }
+}
+
+void mtu2_free(void)
+{
+    if (mtu2_used_cnt > 0) {
+        mtu2_used_cnt--;
+    }
+    if (mtu2_used_cnt == 0) {
+        CPGSTBCR3 |= (CPG_STBCR3_BIT_MSTP33);
+    }
+}
+#endif