Initial import of support files for all Digistump boards - Digispark, Pro, DigiX - including libraries, examples, tools, and other support files for the Arduino IDE

hardware/digistump/sam/system/libsam/include/rstc.h

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+/**
+ * \file
+ *
+ * \brief Reset Controller (RSTC) driver for SAM.
+ *
+ * Copyright (c) 2011-2012 Atmel Corporation. All rights reserved.
+ *
+ * \asf_license_start
+ *
+ * \page License
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * 3. The name of Atmel may not be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * 4. This software may only be redistributed and used in connection with an
+ *    Atmel microcontroller product.
+ *
+ * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
+ * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * \asf_license_stop
+ *
+ */
+
+#ifndef RSTC_H_INCLUDED
+#define RSTC_H_INCLUDED
+
+#include "../chip.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** Definitions of Reset Controller Status */
+/** Reset cause */
+#define RSTC_GENERAL_RESET   (0 << RSTC_SR_RSTTYP_Pos)
+#define RSTC_BACKUP_RESET    (1 << RSTC_SR_RSTTYP_Pos)
+#define RSTC_WATCHDOG_RESET  (2 << RSTC_SR_RSTTYP_Pos)
+#define RSTC_SOFTWARE_RESET  (3 << RSTC_SR_RSTTYP_Pos)
+#define RSTC_USER_RESET      (4 << RSTC_SR_RSTTYP_Pos)
+/** NRST Pin Level */
+#define RSTC_NRST_LOW   (LOW << 16)
+#define RSTC_NRST_HIGH  (HIGH << 16)
+
+void rstc_set_external_reset(Rstc* p_rstc, const uint32_t ul_length);
+void rstc_enable_user_reset(Rstc* p_rstc);
+void rstc_disable_user_reset(Rstc* p_rstc);
+void rstc_enable_user_reset_interrupt(Rstc* p_rstc);
+void rstc_disable_user_reset_interrupt(Rstc* p_rstc);
+void rstc_start_software_reset(Rstc* p_rstc);
+void rstc_reset_extern(Rstc *p_rstc);
+uint32_t rstc_get_status(Rstc* p_rstc);
+uint32_t rstc_get_reset_cause(Rstc* p_rstc);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* RSTC_H_INCLUDED */