Import Mbed OS hard-float snapshot

targets/TARGET_GigaDevice/TARGET_GD32F4XX/device/hal_tick.h

@@ -0,0 +1,46 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2018 GigaDevice Semiconductor Inc.
+ *
+ * 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 __HAL_TICK_H
+#define __HAL_TICK_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "gd32f4xx.h"
+#include "cmsis_nvic.h"
+
+#define TICKER_TIMER                        TIMER8
+#define TICKER_TIMER_IRQ                    TIMER0_BRK_TIMER8_IRQn
+#define TICKER_TIMER_RCU_CLOCK_ENABLE       rcu_periph_clock_enable(RCU_TIMER8);
+#define TICKER_TIMER_DEBUG_STOP             dbg_periph_enable(DBG_TIMER8_HOLD);
+
+#define TICKER_TIMER_RESET_ENABLE           rcu_periph_reset_enable(RCU_TIMER8RST)
+#define TICKER_TIMER_RESET_DISABLE          rcu_periph_reset_disable(RCU_TIMER8RST)
+
+/* 16 for 16-bit timer, 32 for 32-bit timer */
+#define TICKER_TIMER_WIDTH_BIT  16
+
+/* 0 for CK_APB1, 1 for CK_APB2 */
+#define TICKER_TIMER_CKAPB  1
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __HAL_TICK_H */