91 lines
3.5 KiB
C
91 lines
3.5 KiB
C
/***************************************************************************
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* configs/z16f2800100zcog/src/z16f_lowinit.c
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*
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* Copyright (C) 2008 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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*
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* Based upon sample code included with the Zilog ZDS-II toolchain.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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***************************************************************************/
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/***************************************************************************
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* Included Files
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***************************************************************************/
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#include <nuttx/config.h>
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#include "chip/chip.h"
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/***************************************************************************
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* Definitions
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***************************************************************************/
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/***************************************************************************
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* Private Functions
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***************************************************************************/
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static void z16f_gpioinit(void)
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{
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/* Configure LEDs and Run/Stop switch port */
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putreg8(getreg8(Z16F_GPIOA_DD) | 0x87, Z16F_GPIOA_DD);
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putreg8(getreg8(Z16F_GPIOA_OUT) | 0x07, Z16F_GPIOA_OUT);
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putreg8(getreg8(Z16F_GPIOA_DD) & 0xF8, Z16F_GPIOA_DD);
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/* Configure rate switch port */
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putreg8(getreg8(Z16F_GPIOB_DD) | 0x20, Z16F_GPIOB_DD);
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putreg8(getreg8(Z16F_GPIOB_AFL) | 0x20, Z16F_GPIOB_AFL);
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#if 0 /* Not yet */
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putreg8(0x05, Z16F_ADC0_MAX);
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putreg8(0xf5, Z16F_ADC0_CTL);
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#endif
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/* Configure Direction switch port */
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putreg8(getreg8(Z16F_GPIOC_DD) | 0x01, Z16F_GPIOC_DD);
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/* Configure to use both UART0 and 1 */
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putreg8(getreg8(Z16F_GPIOA_AFL) | 0x30, Z16F_GPIOA_AFL);
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putreg8(getreg8(Z16F_GPIOD_AFL) | 0x30, Z16F_GPIOD_AFL);
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}
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/***************************************************************************
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* Public Functions
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***************************************************************************/
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void z16f_lowinit(void)
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{
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z16f_gpioinit();
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}
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