Diff: sleep_api.h

Revision:

44:24d45a770a51

Child:

54:71b101360fb9

diff -r e2ed12d17f06 -r 24d45a770a51 sleep_api.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sleep_api.h	Wed Nov 21 10:49:56 2012 +0000
@@ -0,0 +1,70 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2012 ARM Limited
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef MBED_SLEEP_API_H
+#define MBED_SLEEP_API_H
+
+#include "device.h"
+
+#if DEVICE_SLEEP
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** Send the microcontroller to sleep
+ * 
+ * The processor is setup ready for sleep, and sent to sleep using __WFI(). In this mode, the
+ * system clock to the core is stopped until a reset or an interrupt occurs. This eliminates 
+ * dynamic power used by the processor, memory systems and buses. The processor, peripheral and 
+ * memory state are maintained, and the peripherals continue to work and can generate interrupts.
+ * 
+ * The processor can be woken up by any internal peripheral interrupt or external pin interrupt.
+ * 
+ * @note
+ *  The mbed interface semihosting is disconnected as part of going to sleep, and can not be restored. 
+ * Flash re-programming and the USB serial port will remain active, but the mbed program will no longer be
+ * able to access the LocalFileSystem
+ */
+void sleep(void);
+
+/** Send the microcontroller to deep sleep
+ * 
+ * This processor is setup ready for deep sleep, and sent to sleep using __WFI(). This mode
+ * has the same sleep features as sleep plus it powers down peripherals and clocks. All state
+ * is still maintained. 
+ * 
+ * The processor can only be woken up by an external interrupt on a pin or a watchdog timer.
+ * 
+ * @note
+ *  The mbed interface semihosting is disconnected as part of going to sleep, and can not be restored. 
+ * Flash re-programming and the USB serial port will remain active, but the mbed program will no longer be
+ * able to access the LocalFileSystem
+ */
+void deepsleep(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+
+#endif