mirror of https://github.com/rusefi/ChibiOS.git
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@4712 35acf78f-673a-0410-8e92-d51de3d6d3f4
This commit is contained in:
gdisirio
parent
cc73a2f3d9
commit
12af666276
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@ -21,6 +21,31 @@
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#include "ch.h"
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#include "hal.h"
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#if HAL_USE_PAL || defined(__DOXYGEN__)
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/* List of the PCR values to be setup initially, the list is terminated by a
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{0, 0}.*/
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static const spc560p_pcr_init_t spc560p_pcrs_init[] = {
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{0, 0}
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};
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/* Initialization array for the PSMI registers.*/
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static const uint8_t spc560p_padsels_init[36] = {
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0
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};
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/**
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* @brief PAL setup.
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*/
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const PALConfig pal_default_config =
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{
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PAL_MODE_UNCONNECTED,
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spc560p_pcrs_init,
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spc560p_padsels_init
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};
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#endif
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/*
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* Early initialization code.
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* This initialization must be performed just after stack setup and before
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@ -1,7 +1,9 @@
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# List of all the SPC560Pxx platform files.
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PLATFORMSRC = ${CHIBIOS}/os/hal/platforms/SPC560Pxx/hal_lld.c \
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${CHIBIOS}/os/hal/platforms/SPC5xx/SIUL_v1/pal_lld.c \
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${CHIBIOS}/os/hal/platforms/SPC5xx/LINFlex_v1/serial_lld.c
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# Required include directories
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PLATFORMINC = ${CHIBIOS}/os/hal/platforms/SPC560Pxx \
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${CHIBIOS}/os/hal/platforms/SPC5xx/SIUL_v1 \
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${CHIBIOS}/os/hal/platforms/SPC5xx/LINFlex_v1
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@ -0,0 +1,104 @@
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/*
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ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
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2011,2012 Giovanni Di Sirio.
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This file is part of ChibiOS/RT.
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ChibiOS/RT is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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ChibiOS/RT is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @file SPC5xx/SIUL_v1/pal_lld.c
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* @brief SPC5xx SIUL low level driver code.
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*
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* @addtogroup PAL
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* @{
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*/
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#include "ch.h"
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#include "hal.h"
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#if HAL_USE_PAL || defined(__DOXYGEN__)
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/*===========================================================================*/
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/* Driver local definitions. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Driver exported variables. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Driver local variables. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Driver local functions. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Driver interrupt handlers. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Driver exported functions. */
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/*===========================================================================*/
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/**
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* @brief SPC5xx I/O ports configuration.
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*
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* @param[in] config the STM32 ports configuration
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*
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* @notapi
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*/
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void _pal_lld_init(const PALConfig *config) {
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unsigned i;
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/* TODO: Replace 107 with a platform-specific constant.*/
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for (i = 0; i <= 107; i++)
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SIU.PCR[i].R = config->default_mode;
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i = 0;
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while (config->pcrs[i].pcr_value != 0) {
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SIU.PCR[config->pcrs[i].pcr_index].R = config->pcrs[i].pcr_value;
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i++;
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}
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/* TODO: Replace 35 with a platform-specific constant.*/
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for (i = 0; i <= 35; i++)
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SIU.PSMI[i].R = config->padsels[i];
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}
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/**
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* @brief Pads mode setup.
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* @details This function programs a pads group belonging to the same port
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* with the specified mode.
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*
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* @param[in] port the port identifier
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* @param[in] mask the group mask
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* @param[in] mode the mode
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*
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* @notapi
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*/
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void _pal_lld_setgroupmode(ioportid_t port,
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ioportmask_t mask,
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iomode_t mode) {
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(void)port;
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(void)mask;
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(void)mode;
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}
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#endif /* HAL_USE_PAL */
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/** @} */
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@ -0,0 +1,320 @@
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/*
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ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
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2011,2012 Giovanni Di Sirio.
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This file is part of ChibiOS/RT.
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ChibiOS/RT is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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ChibiOS/RT is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @file SPC5xx/SIUL_v1//pal_lld.h
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* @brief SPC5xx SIUL low level driver header.
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*
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* @addtogroup PAL
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* @{
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*/
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#ifndef _PAL_LLD_H_
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#define _PAL_LLD_H_
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#if HAL_USE_PAL || defined(__DOXYGEN__)
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/*===========================================================================*/
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/* Unsupported modes and specific modes */
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/*===========================================================================*/
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#undef PAL_MODE_RESET
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#undef PAL_MODE_UNCONNECTED
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#undef PAL_MODE_INPUT
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#undef PAL_MODE_INPUT_PULLUP
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#undef PAL_MODE_INPUT_PULLDOWN
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#undef PAL_MODE_INPUT_ANALOG
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#undef PAL_MODE_OUTPUT_PUSHPULL
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#undef PAL_MODE_OUTPUT_OPENDRAIN
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/**
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* @name SIUL-specific PAL modes
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* @{
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*/
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#define PAL_SPC5_SMC (1U << 14)
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#define PAL_SPC5_APC (1U << 13)
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#define PAL_SPC5_PA_MASK (3U << 10)
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#define PAL_SPC5_PA(n) ((n) << 10)
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#define PAL_SPC5_OBE (1U << 9)
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#define PAL_SPC5_IBE (1U << 8)
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#define PAL_SPC5_ODE (1U << 5)
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#define PAL_SPC5_SRC (1U << 2)
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#define PAL_SPC5_WPE (1U << 1)
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#define PAL_SPC5_WPS (1U << 0)
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/** @} */
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/**
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* @name Pads mode constants
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* @{
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*/
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/**
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* @brief After reset state.
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*/
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#define PAL_MODE_RESET 0
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/**
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* @brief Safe state for <b>unconnected</b> pads.
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*/
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#define PAL_MODE_UNCONNECTED (PAL_SPC5_WPE | PAL_SPC5_WPS)
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/**
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* @brief Regular input high-Z pad.
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*/
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#define PAL_MODE_INPUT (PAL_SPC5_IBE)
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/**
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* @brief Input pad with weak pull up resistor.
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*/
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#define PAL_MODE_INPUT_PULLUP (PAL_SPC5_IBE |PAL_SPC5_WPE | \
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PAL_SPC5_WPS)
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/**
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* @brief Input pad with weak pull down resistor.
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*/
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#define PAL_MODE_INPUT_PULLDOWN (PAL_SPC5_IBE |PAL_SPC5_WPE)
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/**
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* @brief Analog input mode.
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*/
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#define PAL_MODE_INPUT_ANALOG PAL_SPC5_APC
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/**
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* @brief Push-pull output pad.
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*/
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#define PAL_MODE_OUTPUT_PUSHPULL (PAL_SPC5_IBE | PAL_SPC5_OBE)
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/**
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* @brief Open-drain output pad.
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*/
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#define PAL_MODE_OUTPUT_OPENDRAIN (PAL_SPC5_IBE | PAL_SPC5_OBE | \
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PAL_SPC5_ODE)
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/** @} */
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/*===========================================================================*/
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/* I/O Ports Types and constants. */
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/*===========================================================================*/
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/**
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* @brief Width, in bits, of an I/O port.
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*/
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#define PAL_IOPORTS_WIDTH 32
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/**
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* @brief Whole port mask.
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* @brief This macro specifies all the valid bits into a port.
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*/
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#define PAL_WHOLE_PORT ((ioportmask_t)0xFFFFFFFF)
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/**
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* @brief Digital I/O port sized unsigned type.
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*/
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typedef uint32_t ioportmask_t;
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/**
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* @brief Digital I/O modes.
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*/
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typedef uint16_t iomode_t;
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/**
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* @brief Port Identifier.
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* @details This type can be a scalar or some kind of pointer, do not make
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* any assumption about it, use the provided macros when populating
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* variables of this type.
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*/
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typedef uint32_t ioportid_t;
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/**
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* @brief PCR register initializer type.
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*/
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typedef struct {
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uint16_t pcr_index;
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iomode_t pcr_value;
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} spc560p_pcr_init_t;
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/**
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* @brief Generic I/O ports static initializer.
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* @details An instance of this structure must be passed to @p palInit() at
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* system startup time in order to initialized the digital I/O
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* subsystem. This represents only the initial setup, specific pads
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* or whole ports can be reprogrammed at later time.
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* @note Implementations may extend this structure to contain more,
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* architecture dependent, fields.
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*/
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typedef struct {
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iomode_t default_mode;
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const spc560p_pcr_init_t *pcrs;
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const uint8_t *padsels;
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} PALConfig;
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/*===========================================================================*/
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/* I/O Ports Identifiers. */
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/*===========================================================================*/
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/**
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* @brief I/O port 1 identifier.
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*/
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#define IOPORT1 0
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/**
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* @brief I/O port 2 identifier.
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*/
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#define IOPORT2 1
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/**
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* @brief I/O port 3 identifier.
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*/
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#define IOPORT3 2
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/**
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* @brief I/O port 4 identifier.
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*/
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#define IOPORT4 3
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/*===========================================================================*/
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/* Implementation, some of the following macros could be implemented as */
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/* functions, if so please put them in pal_lld.c. */
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/*===========================================================================*/
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/**
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* @brief Low level PAL subsystem initialization.
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*
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* @param[in] config architecture-dependent ports configuration
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*
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* @notapi
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*/
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#define pal_lld_init(config) _pal_lld_init(config)
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/**
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* @brief Reads the physical I/O port states.
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*
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* @param[in] port port identifier
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* @return The port bits.
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*
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* @notapi
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*/
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#define pal_lld_readport(port) (SIU.PGPDI[port].R)
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/**
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* @brief Reads the output latch.
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* @details The purpose of this function is to read back the latched output
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* value.
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*
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* @param[in] port port identifier
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* @return The latched logical states.
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*
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* @notapi
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*/
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#define pal_lld_readlatch(port) (SIU.PGPDO[port].R)
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/**
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* @brief Writes a bits mask on a I/O port.
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*
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* @param[in] port port identifier
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* @param[in] bits bits to be written on the specified port
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*
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* @notapi
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*/
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#define pal_lld_writeport(port, bits) (SIU.PGPDO[port].R = (bits))
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/**
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* @brief Pads group mode setup.
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* @details This function programs a pads group belonging to the same port
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* with the specified mode.
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* @note Programming an unknown or unsupported mode is silently ignored.
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*
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* @param[in] port port identifier
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* @param[in] mask group mask
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* @param[in] offset group bit offset within the port
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* @param[in] mode group mode
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*
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* @notapi
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*/
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#define pal_lld_setgroupmode(port, mask, offset, mode) \
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_pal_lld_setgroupmode(port, mask << offset, mode)
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/**
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* @brief Reads a logical state from an I/O pad.
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* @note The @ref PAL provides a default software implementation of this
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* functionality, implement this function if can optimize it by using
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* special hardware functionalities or special coding.
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*
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* @param[in] port port identifier
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* @param[in] pad pad number within the port
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* @return The logical state.
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* @retval PAL_LOW low logical state.
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* @retval PAL_HIGH high logical state.
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*
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* @notapi
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*/
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#define pal_lld_readpad(port, pad) \
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(SIU.GPDI.R[((port) * 32) + (15 - (pad))])
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/**
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* @brief Writes a logical state on an output pad.
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* @note This function is not meant to be invoked directly by the
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* application code.
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* @note The @ref PAL provides a default software implementation of this
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* functionality, implement this function if can optimize it by using
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* special hardware functionalities or special coding.
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*
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* @param[in] port port identifier
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* @param[in] pad pad number within the port
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* @param[in] bit logical value, the value must be @p PAL_LOW or
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* @p PAL_HIGH
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*
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* @notapi
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*/
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#define pal_lld_writepad(port, pad, bit) \
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(SIU.GPDO.R[((port) * 32) + (15 - (pad))] = (bit))
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/**
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* @brief Pad mode setup.
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* @details This function programs a pad with the specified mode.
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* @note The @ref PAL provides a default software implementation of this
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* functionality, implement this function if can optimize it by using
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* special hardware functionalities or special coding.
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* @note Programming an unknown or unsupported mode is silently ignored.
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*
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* @param[in] port port identifier
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* @param[in] pad pad number within the port
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* @param[in] mode pad mode
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*
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* @notapi
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*/
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#define pal_lld_setpadmode(port, pad, mode)
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extern const PALConfig pal_default_config;
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#ifdef __cplusplus
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extern "C" {
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#endif
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void _pal_lld_init(const PALConfig *config);
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void _pal_lld_setgroupmode(ioportid_t port,
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ioportmask_t mask,
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iomode_t mode);
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#ifdef __cplusplus
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}
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#endif
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#endif /* HAL_USE_PAL */
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#endif /* _PAL_LLD_H_ */
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/** @} */
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