cs4.h

Go to the documentation of this file.

/* Copyright 2012-2014, Peter A. Bigot
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * * Redistributions of source code must retain the above copyright notice,
 *   this list of conditions and the following disclaimer.
 *
 * * 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.
 *
 * * Neither the name of the software 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 BSP430_PERIPH_CS4_H
#define BSP430_PERIPH_CS4_H

#include <bsp430/clock.h>
#include <bsp430/periph.h>

#define BSP430_MODULE_CS4 (BSP430_PERIPH_CS_IS_CS4 - 0)

#if defined(BSP430_DOXYGEN) || (BSP430_MODULE_CS4 - 0)

#ifndef BSP430_CS4_FLL_SELREF
#define BSP430_CS4_FLL_SELREF SELREF__XT1CLK
#endif /* BSP430_CS4_FLL_SELREF */

#define BSP430_CS4_DCO_IS_FAULTED_NI() (CSCTL7 & (FLLUNLOCK0 | FLLUNLOCK1))

#define BSP430_CS4_LFXT1_IS_FAULTED_NI() (CSCTL7 & XT1OFFG)

#define BSP430_CS4_XT2_IS_FAULTED_NI() 0

#define BSP430_CLOCK_LFXT1_IS_FAULTED_NI() BSP430_CS4_LFXT1_IS_FAULTED_NI()

#define BSP430_CLOCK_XT2_IS_FAULTED_NI() (1)

#define BSP430_CS4_CLEAR_FAULTS_NI() do {       \
    CSCTL7 &= ~(FLLUNLOCKHIS0 | FLLUNLOCKHIS1 | FLLULIFG | XT1OFFG | DCOFFG); \
  } while (0)

#if defined(BSP430_DOXYGEN) || ! defined(BSP430_CLOCK_CLEAR_FAULTS_NI)
#define BSP430_CLOCK_CLEAR_FAULTS_NI() do {                             \
    BSP430_CS4_CLEAR_FAULTS_NI();                                       \
    BSP430_CLOCK_OSC_CLEAR_FAULT_NI();                                  \
  } while (0)
#endif /*  BSP430_CLOCK_CLEAR_FAULTS_NI */

#define BSP430_CLOCK_NOMINAL_VLOCLK_HZ 10000U

#define BSP430_CLOCK_PUC_MCLK_HZ 1048576UL

#define BSP430_CS4_NOMINAL_XT1CLK_HZ 32768U

#define BSP430_CS4_NOMINAL_REFOCLK_HZ 32768U

#ifndef BSP430_CS4_NOMINAL_MODCLK_HZ
#define BSP430_CS4_NOMINAL_MODCLK_HZ 5000000UL
#endif /* BSP430_CS4_NOMINAL_MODCLK_HZ */

/* Provide definition for clock system */
#define BSP430_NOMINAL_MODCLK_HZ BSP430_CS4_NOMINAL_MODCLK_HZ

#endif /* BSP430_MODULE_CS4 */

#endif /* BSP430_PERIPH_CS4_H */