From a9eb03728828e2f9f66c62eaa4fdd1353d62777b Mon Sep 17 00:00:00 2001 From: patacongo Date: Tue, 9 Aug 2011 21:51:20 +0000 Subject: Kinetis MCG, CRC, and OSC header files git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3860 42af7a65-404d-4744-a932-0658087f49c3 --- nuttx/arch/arm/src/kinetis/kinetis_osc.h | 84 ++++++++++++++++++++++++++++++++ 1 file changed, 84 insertions(+) create mode 100644 nuttx/arch/arm/src/kinetis/kinetis_osc.h (limited to 'nuttx/arch/arm/src/kinetis/kinetis_osc.h') diff --git a/nuttx/arch/arm/src/kinetis/kinetis_osc.h b/nuttx/arch/arm/src/kinetis/kinetis_osc.h new file mode 100644 index 000000000..fef1e0ae7 --- /dev/null +++ b/nuttx/arch/arm/src/kinetis/kinetis_osc.h @@ -0,0 +1,84 @@ +/******************************************************************************************** + * arch/arm/src/kinetis/kinetis_osc.h + * + * Copyright (C) 2011 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * 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 NuttX 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 OWNER 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 __ARCH_ARM_SRC_KINETIS_KINETIS_OSC_H +#define __ARCH_ARM_SRC_KINETIS_KINETIS_OSC_H + +/******************************************************************************************** + * Included Files + ********************************************************************************************/ + +#include + +#include "chip.h" + +/******************************************************************************************** + * Pre-processor Definitions + ********************************************************************************************/ + +/* Register Offsets *************************************************************************/ + +#define KINETIS_OSC_CR_OFFSET 0x0000 /* OSC Control Register */ + +/* Register Addresses ***********************************************************************/ + +#define KINETIS_OSC_CR (KINETIS_OSC_BASE+KINETIS_OSC_CR_OFFSET) + +/* Register Bit Definitions *****************************************************************/ + +/* OSC Control Register (8-bit) */ + +#define OSC_CR_ERCLKEN (1 << 7) /* Bit 7: External Reference Enable */ + /* Bit 6: Reserved */ +#define OSC_CR_EREFSTEN (1 << 5) /* Bit 5: External Reference Stop Enable */ + /* Bit 4: Reserved */ +#define OSC_CR_SC2P (1 << 3) /* Bit 3: Oscillator 2 pF Capacitor Load Configure */ +#define OSC_CR_SC4P (1 << 2) /* Bit 2: Oscillator 4 pF Capacitor Load Configure */ +#define OSC_CR_SC8P (1 << 1) /* Bit 1: Oscillator 8 pF Capacitor Load Configure */ +#define OSC_CR_SC16P (1 << 0) /* Bit 0: Oscillator 16 pF Capacitor Load Configure */ + +/******************************************************************************************** + * Public Types + ********************************************************************************************/ + +/******************************************************************************************** + * Public Data + ********************************************************************************************/ + +/******************************************************************************************** + * Public Functions + ********************************************************************************************/ + +#endif /* __ARCH_ARM_SRC_KINETIS_KINETIS_OSC_H */ -- cgit v1.2.3