Import Mbed OS hard-float snapshot

targets/TARGET_NUVOTON/TARGET_M251/device/system_M251.h

@@ -0,0 +1,99 @@
+/**************************************************************************//**
+ * @file     system_M251.h
+ * @version  V0.10
+ * @brief    System Setting Header File
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright (c) 2019 Nuvoton Technology Corp. All rights reserved.
+ * 
+ * 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. Neither the name of Nuvoton Technology Corp. nor the names of its contributors
+ *      may be used to endorse or promote products derived from this software
+ *      without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS 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.
+****************************************************************************/
+
+#ifndef __SYSTEM_M251_H__
+#define __SYSTEM_M251_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+
+/*----------------------------------------------------------------------------
+  Define clocks
+ *----------------------------------------------------------------------------*/
+#define __HXT       (12000000UL)              /*!< External Crystal Clock Frequency */
+#define __LXT       (32768UL)                 /*!< External Crystal Clock Frequency 32.768KHz */
+#define __LIRC      (38400UL)                 /*!< Internal 38.4KHz RC Oscillator Frequency */
+#define __MIRC      (4032000UL)               /*!< Internal 4.032M RC Oscillator Frequency */
+#define __HIRC      (48000000UL)              /*!< Internal 48M RC Oscillator Frequency */
+#define __HSI       (48000000UL)              /*!< PLL default output is 48MHz */
+#define __SYS_OSC_CLK     (    ___HSI)        /*!< Main oscillator frequency */
+
+#define __SYSTEM_CLOCK    (1UL*__HXT)
+
+extern uint32_t SystemCoreClock;    /*!< System Clock Frequency (Core Clock)  */
+extern uint32_t CyclesPerUs;        /*!< Cycles per micro second              */
+extern uint32_t PllClock;           /*!< PLL Output Clock Frequency           */
+
+
+/**
+ * Initialize the system
+ *
+ * @param  none
+ * @return none
+ *
+ * @brief  Setup the micro controller system.
+ *         Initialize the System and update the SystemCoreClock variable.
+ */
+extern void SystemInit(void);
+
+/**
+ * Update SystemCoreClock variable
+ *
+ * @param  none
+ * @return none
+ *
+ * @brief  Updates the SystemCoreClock with current core Clock
+ *         retrieved from cpu registers.
+ */
+extern void SystemCoreClockUpdate(void);
+
+/**
+ * Set UART0 default multi function pin
+ *
+ * @param  none
+ * @return none
+ *
+ * @brief  The initialization of uart0 default multiple-function pin.
+ */
+extern void Uart0DefaultMPF(void);
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __SYSTEM_M251_H__ */
+
+/*** (C) COPYRIGHT 2018 Nuvoton Technology Corp. ***/