Diff: mbed/hal/mbed_lp_ticker_wrapper.h

Revision:

0:d383e2dee0f7

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed/hal/mbed_lp_ticker_wrapper.h	Mon Jul 06 17:18:59 2020 +0530
@@ -0,0 +1,82 @@
+
+/** \addtogroup hal */
+/** @{*/
+/* mbed Microcontroller Library
+ * Copyright (c) 2018 ARM Limited
+ * 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 MBED_LP_TICKER_WRAPPER_H
+#define MBED_LP_TICKER_WRAPPER_H
+
+#include "device.h"
+
+#if DEVICE_LPTICKER
+
+#include "hal/ticker_api.h"
+#include <stdbool.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef void (*ticker_irq_handler_type)(const ticker_data_t *const);
+
+/**
+ * Interrupt handler for the wrapped lp ticker
+ *
+ * @param handler the function which would normally be called by the
+ *      lp ticker handler when it is not wrapped
+ */
+void lp_ticker_wrapper_irq_handler(ticker_irq_handler_type handler);
+
+/**
+ * Get wrapped lp ticker data
+ *
+ * @param data hardware low power ticker object
+ * @return wrapped low power ticker object
+ */
+const ticker_data_t *get_lp_ticker_wrapper_data(const ticker_data_t *data);
+
+/**
+ * Suspend the wrapper layer code
+ *
+ * Pass through all interrupts to the low power ticker and stop using
+ * the microsecond ticker.
+ *
+ * @warning: Make sure to suspend the LP ticker first (call ticker_suspend()),
+ * otherwise the behavior is undefined.
+ */
+void lp_ticker_wrapper_suspend(void);
+
+/**
+ * Resume the wrapper layer code
+ *
+ * Resume operation of the wrapper layer. Interrupts will be filtered
+ * as normal and the microsecond timer will be used for interrupts scheduled
+ * too quickly back-to-back.
+ */
+void lp_ticker_wrapper_resume(void);
+
+/**@}*/
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+
+#endif
+
+/** @}*/