From 12af66627696ae5f8191a7d07f4e9e991aeda4ac Mon Sep 17 00:00:00 2001 From: gdisirio Date: Fri, 21 Sep 2012 14:55:10 +0000 Subject: git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@4712 35acf78f-673a-0410-8e92-d51de3d6d3f4 --- os/hal/platforms/SPC560Pxx/platform.mk | 2 + os/hal/platforms/SPC5xx/SIUL_v1/pal_lld.c | 104 ++++++++++ os/hal/platforms/SPC5xx/SIUL_v1/pal_lld.h | 320 ++++++++++++++++++++++++++++++ 3 files changed, 426 insertions(+) create mode 100644 os/hal/platforms/SPC5xx/SIUL_v1/pal_lld.c create mode 100644 os/hal/platforms/SPC5xx/SIUL_v1/pal_lld.h (limited to 'os/hal') diff --git a/os/hal/platforms/SPC560Pxx/platform.mk b/os/hal/platforms/SPC560Pxx/platform.mk index 847e7e821..53b94c39d 100644 --- a/os/hal/platforms/SPC560Pxx/platform.mk +++ b/os/hal/platforms/SPC560Pxx/platform.mk @@ -1,7 +1,9 @@ # List of all the SPC560Pxx platform files. PLATFORMSRC = ${CHIBIOS}/os/hal/platforms/SPC560Pxx/hal_lld.c \ + ${CHIBIOS}/os/hal/platforms/SPC5xx/SIUL_v1/pal_lld.c \ ${CHIBIOS}/os/hal/platforms/SPC5xx/LINFlex_v1/serial_lld.c # Required include directories PLATFORMINC = ${CHIBIOS}/os/hal/platforms/SPC560Pxx \ + ${CHIBIOS}/os/hal/platforms/SPC5xx/SIUL_v1 \ ${CHIBIOS}/os/hal/platforms/SPC5xx/LINFlex_v1 diff --git a/os/hal/platforms/SPC5xx/SIUL_v1/pal_lld.c b/os/hal/platforms/SPC5xx/SIUL_v1/pal_lld.c new file mode 100644 index 000000000..f67fbce0e --- /dev/null +++ b/os/hal/platforms/SPC5xx/SIUL_v1/pal_lld.c @@ -0,0 +1,104 @@ +/* + ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010, + 2011,2012 Giovanni Di Sirio. + + This file is part of ChibiOS/RT. + + ChibiOS/RT is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + ChibiOS/RT is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . +*/ + +/** + * @file SPC5xx/SIUL_v1/pal_lld.c + * @brief SPC5xx SIUL low level driver code. + * + * @addtogroup PAL + * @{ + */ + +#include "ch.h" +#include "hal.h" + +#if HAL_USE_PAL || defined(__DOXYGEN__) + +/*===========================================================================*/ +/* Driver local definitions. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver exported variables. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver local variables. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver local functions. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver interrupt handlers. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver exported functions. */ +/*===========================================================================*/ + +/** + * @brief SPC5xx I/O ports configuration. + * + * @param[in] config the STM32 ports configuration + * + * @notapi + */ +void _pal_lld_init(const PALConfig *config) { + unsigned i; + + /* TODO: Replace 107 with a platform-specific constant.*/ + for (i = 0; i <= 107; i++) + SIU.PCR[i].R = config->default_mode; + + i = 0; + while (config->pcrs[i].pcr_value != 0) { + SIU.PCR[config->pcrs[i].pcr_index].R = config->pcrs[i].pcr_value; + i++; + } + + /* TODO: Replace 35 with a platform-specific constant.*/ + for (i = 0; i <= 35; i++) + SIU.PSMI[i].R = config->padsels[i]; +} + +/** + * @brief Pads mode setup. + * @details This function programs a pads group belonging to the same port + * with the specified mode. + * + * @param[in] port the port identifier + * @param[in] mask the group mask + * @param[in] mode the mode + * + * @notapi + */ +void _pal_lld_setgroupmode(ioportid_t port, + ioportmask_t mask, + iomode_t mode) { + (void)port; + (void)mask; + (void)mode; +} + +#endif /* HAL_USE_PAL */ + +/** @} */ diff --git a/os/hal/platforms/SPC5xx/SIUL_v1/pal_lld.h b/os/hal/platforms/SPC5xx/SIUL_v1/pal_lld.h new file mode 100644 index 000000000..1bebea35d --- /dev/null +++ b/os/hal/platforms/SPC5xx/SIUL_v1/pal_lld.h @@ -0,0 +1,320 @@ +/* + ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010, + 2011,2012 Giovanni Di Sirio. + + This file is part of ChibiOS/RT. + + ChibiOS/RT is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + ChibiOS/RT is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . +*/ + +/** + * @file SPC5xx/SIUL_v1//pal_lld.h + * @brief SPC5xx SIUL low level driver header. + * + * @addtogroup PAL + * @{ + */ + +#ifndef _PAL_LLD_H_ +#define _PAL_LLD_H_ + +#if HAL_USE_PAL || defined(__DOXYGEN__) + +/*===========================================================================*/ +/* Unsupported modes and specific modes */ +/*===========================================================================*/ + +#undef PAL_MODE_RESET +#undef PAL_MODE_UNCONNECTED +#undef PAL_MODE_INPUT +#undef PAL_MODE_INPUT_PULLUP +#undef PAL_MODE_INPUT_PULLDOWN +#undef PAL_MODE_INPUT_ANALOG +#undef PAL_MODE_OUTPUT_PUSHPULL +#undef PAL_MODE_OUTPUT_OPENDRAIN + +/** + * @name SIUL-specific PAL modes + * @{ + */ +#define PAL_SPC5_SMC (1U << 14) +#define PAL_SPC5_APC (1U << 13) +#define PAL_SPC5_PA_MASK (3U << 10) +#define PAL_SPC5_PA(n) ((n) << 10) +#define PAL_SPC5_OBE (1U << 9) +#define PAL_SPC5_IBE (1U << 8) +#define PAL_SPC5_ODE (1U << 5) +#define PAL_SPC5_SRC (1U << 2) +#define PAL_SPC5_WPE (1U << 1) +#define PAL_SPC5_WPS (1U << 0) +/** @} */ + +/** + * @name Pads mode constants + * @{ + */ +/** + * @brief After reset state. + */ +#define PAL_MODE_RESET 0 + +/** + * @brief Safe state for unconnected pads. + */ +#define PAL_MODE_UNCONNECTED (PAL_SPC5_WPE | PAL_SPC5_WPS) + +/** + * @brief Regular input high-Z pad. + */ +#define PAL_MODE_INPUT (PAL_SPC5_IBE) + +/** + * @brief Input pad with weak pull up resistor. + */ +#define PAL_MODE_INPUT_PULLUP (PAL_SPC5_IBE |PAL_SPC5_WPE | \ + PAL_SPC5_WPS) + +/** + * @brief Input pad with weak pull down resistor. + */ +#define PAL_MODE_INPUT_PULLDOWN (PAL_SPC5_IBE |PAL_SPC5_WPE) + +/** + * @brief Analog input mode. + */ +#define PAL_MODE_INPUT_ANALOG PAL_SPC5_APC + +/** + * @brief Push-pull output pad. + */ +#define PAL_MODE_OUTPUT_PUSHPULL (PAL_SPC5_IBE | PAL_SPC5_OBE) + +/** + * @brief Open-drain output pad. + */ +#define PAL_MODE_OUTPUT_OPENDRAIN (PAL_SPC5_IBE | PAL_SPC5_OBE | \ + PAL_SPC5_ODE) +/** @} */ + +/*===========================================================================*/ +/* I/O Ports Types and constants. */ +/*===========================================================================*/ + +/** + * @brief Width, in bits, of an I/O port. + */ +#define PAL_IOPORTS_WIDTH 32 + +/** + * @brief Whole port mask. + * @brief This macro specifies all the valid bits into a port. + */ +#define PAL_WHOLE_PORT ((ioportmask_t)0xFFFFFFFF) + +/** + * @brief Digital I/O port sized unsigned type. + */ +typedef uint32_t ioportmask_t; + +/** + * @brief Digital I/O modes. + */ +typedef uint16_t iomode_t; + +/** + * @brief Port Identifier. + * @details This type can be a scalar or some kind of pointer, do not make + * any assumption about it, use the provided macros when populating + * variables of this type. + */ +typedef uint32_t ioportid_t; + +/** + * @brief PCR register initializer type. + */ +typedef struct { + uint16_t pcr_index; + iomode_t pcr_value; +} spc560p_pcr_init_t; + +/** + * @brief Generic I/O ports static initializer. + * @details An instance of this structure must be passed to @p palInit() at + * system startup time in order to initialized the digital I/O + * subsystem. This represents only the initial setup, specific pads + * or whole ports can be reprogrammed at later time. + * @note Implementations may extend this structure to contain more, + * architecture dependent, fields. + */ +typedef struct { + iomode_t default_mode; + const spc560p_pcr_init_t *pcrs; + const uint8_t *padsels; +} PALConfig; + +/*===========================================================================*/ +/* I/O Ports Identifiers. */ +/*===========================================================================*/ + +/** + * @brief I/O port 1 identifier. + */ +#define IOPORT1 0 + +/** + * @brief I/O port 2 identifier. + */ +#define IOPORT2 1 + +/** + * @brief I/O port 3 identifier. + */ +#define IOPORT3 2 + +/** + * @brief I/O port 4 identifier. + */ +#define IOPORT4 3 + +/*===========================================================================*/ +/* Implementation, some of the following macros could be implemented as */ +/* functions, if so please put them in pal_lld.c. */ +/*===========================================================================*/ + +/** + * @brief Low level PAL subsystem initialization. + * + * @param[in] config architecture-dependent ports configuration + * + * @notapi + */ +#define pal_lld_init(config) _pal_lld_init(config) + +/** + * @brief Reads the physical I/O port states. + * + * @param[in] port port identifier + * @return The port bits. + * + * @notapi + */ +#define pal_lld_readport(port) (SIU.PGPDI[port].R) + +/** + * @brief Reads the output latch. + * @details The purpose of this function is to read back the latched output + * value. + * + * @param[in] port port identifier + * @return The latched logical states. + * + * @notapi + */ +#define pal_lld_readlatch(port) (SIU.PGPDO[port].R) + +/** + * @brief Writes a bits mask on a I/O port. + * + * @param[in] port port identifier + * @param[in] bits bits to be written on the specified port + * + * @notapi + */ +#define pal_lld_writeport(port, bits) (SIU.PGPDO[port].R = (bits)) + +/** + * @brief Pads group mode setup. + * @details This function programs a pads group belonging to the same port + * with the specified mode. + * @note Programming an unknown or unsupported mode is silently ignored. + * + * @param[in] port port identifier + * @param[in] mask group mask + * @param[in] offset group bit offset within the port + * @param[in] mode group mode + * + * @notapi + */ +#define pal_lld_setgroupmode(port, mask, offset, mode) \ + _pal_lld_setgroupmode(port, mask << offset, mode) + +/** + * @brief Reads a logical state from an I/O pad. + * @note The @ref PAL provides a default software implementation of this + * functionality, implement this function if can optimize it by using + * special hardware functionalities or special coding. + * + * @param[in] port port identifier + * @param[in] pad pad number within the port + * @return The logical state. + * @retval PAL_LOW low logical state. + * @retval PAL_HIGH high logical state. + * + * @notapi + */ +#define pal_lld_readpad(port, pad) \ + (SIU.GPDI.R[((port) * 32) + (15 - (pad))]) + +/** + * @brief Writes a logical state on an output pad. + * @note This function is not meant to be invoked directly by the + * application code. + * @note The @ref PAL provides a default software implementation of this + * functionality, implement this function if can optimize it by using + * special hardware functionalities or special coding. + * + * @param[in] port port identifier + * @param[in] pad pad number within the port + * @param[in] bit logical value, the value must be @p PAL_LOW or + * @p PAL_HIGH + * + * @notapi + */ +#define pal_lld_writepad(port, pad, bit) \ + (SIU.GPDO.R[((port) * 32) + (15 - (pad))] = (bit)) + +/** + * @brief Pad mode setup. + * @details This function programs a pad with the specified mode. + * @note The @ref PAL provides a default software implementation of this + * functionality, implement this function if can optimize it by using + * special hardware functionalities or special coding. + * @note Programming an unknown or unsupported mode is silently ignored. + * + * @param[in] port port identifier + * @param[in] pad pad number within the port + * @param[in] mode pad mode + * + * @notapi + */ +#define pal_lld_setpadmode(port, pad, mode) + +extern const PALConfig pal_default_config; + +#ifdef __cplusplus +extern "C" { +#endif + void _pal_lld_init(const PALConfig *config); + void _pal_lld_setgroupmode(ioportid_t port, + ioportmask_t mask, + iomode_t mode); +#ifdef __cplusplus +} +#endif + +#endif /* HAL_USE_PAL */ + +#endif /* _PAL_LLD_H_ */ + +/** @} */ -- cgit v1.2.3