mirror of
https://github.com/portapack-mayhem/mayhem-firmware.git
synced 2025-08-24 23:47:52 +00:00
ChibiOS 2.6.8, until I can figure out where to get it from git.
This commit is contained in:
Jared Boone
145
firmware/chibios/os/hal/platforms/SPC5xx/SIU_v1/pal_lld.c
Executable file
145
firmware/chibios/os/hal/platforms/SPC5xx/SIU_v1/pal_lld.c
Executable file
@@ -0,0 +1,145 @@
|
||||
/*
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||||
SPC5 HAL - Copyright (C) 2013 STMicroelectronics
|
||||
|
||||
Licensed under the Apache License, Version 2.0 (the "License");
|
||||
you may not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
*/
|
||||
|
||||
/**
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* @file SPC5xx/SIU_v1/pal_lld.c
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* @brief SPC5xx SIU 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 and types. */
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/*===========================================================================*/
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#if defined(SPC5_SIU_SYSTEM_PINS)
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static const unsigned system_pins[] = {SPC5_SIU_SYSTEM_PINS};
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#endif
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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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/*===========================================================================*/
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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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/* Initialize PCR registers for defined pads.*/
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i = 0;
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while (config->inits[i].pcr_value != 0) {
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SIU.GPDO[config->inits[i].pcr_index].R = config->inits[i].gpdo_value;
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SIU.PCR[config->inits[i].pcr_index].R = config->inits[i].pcr_value;
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i++;
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}
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}
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/**
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* @brief Reads a group of bits.
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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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* @return The group logical states.
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*
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* @notapi
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*/
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ioportmask_t _pal_lld_readgroup(ioportid_t port,
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ioportmask_t mask,
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uint_fast8_t offset) {
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(void)port;
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(void)mask;
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(void)offset;
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return 0;
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}
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/**
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* @brief Writes a group of bits.
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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] bits bits to be written. Values exceeding the group width
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* are masked.
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*
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* @notapi
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*/
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void _pal_lld_writegroup(ioportid_t port,
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ioportmask_t mask,
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uint_fast8_t offset,
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ioportmask_t bits) {
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(void)port;
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(void)mask;
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(void)offset;
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(void)bits;
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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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unsigned pcr_index = (unsigned)(port * PAL_IOPORTS_WIDTH);
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ioportmask_t m1 = 0x8000;
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while (m1) {
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if (mask & m1)
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SIU.PCR[pcr_index].R = mode;
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m1 >>= 1;
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++pcr_index;
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}
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}
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#endif /* HAL_USE_PAL */
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/** @} */
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419
firmware/chibios/os/hal/platforms/SPC5xx/SIU_v1/pal_lld.h
Executable file
419
firmware/chibios/os/hal/platforms/SPC5xx/SIU_v1/pal_lld.h
Executable file
@@ -0,0 +1,419 @@
|
||||
/*
|
||||
SPC5 HAL - Copyright (C) 2013 STMicroelectronics
|
||||
|
||||
Licensed under the Apache License, Version 2.0 (the "License");
|
||||
you may not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
*/
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/**
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* @file SPC5xx/SIU_v1/pal_lld.h
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* @brief SPC5xx SIU 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 SIU-specific PAL modes
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* @{
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*/
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#define PAL_SPC5_PA_MASK (15U << 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_DSC_10PF (0U << 6)
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#define PAL_SPC5_DSC_20PF (1U << 6)
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#define PAL_SPC5_DSC_30PF (2U << 6)
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#define PAL_SPC5_DSC_50PF (3U << 6)
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#define PAL_SPC5_ODE (1U << 5)
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#define PAL_SPC5_HYS (1U << 4)
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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 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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* @brief Alternate "n" output pad.
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*/
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#define PAL_MODE_OUTPUT_ALTERNATE(n) (PAL_SPC5_IBE | PAL_SPC5_PA(n))
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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 16
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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)0xFFFF)
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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 uint16_t ioportmask_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 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 SIU/SIUL register initializer type.
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*/
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typedef struct {
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uint8_t pcr_index;
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uint8_t gpdo_value;
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iomode_t pcr_value;
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} spc_siu_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,
|
||||
* architecture dependent, fields.
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*/
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typedef struct {
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const spc_siu_init_t *inits;
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} PALConfig;
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/*===========================================================================*/
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/* I/O Ports Identifiers. */
|
||||
/*===========================================================================*/
|
||||
|
||||
/**
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||||
* @name Port identifiers
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||||
* @{
|
||||
*/
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||||
#define PORT0 0
|
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#define PORT1 1
|
||||
#define PORT2 2
|
||||
#define PORT3 3
|
||||
#define PORT4 4
|
||||
#define PORT5 5
|
||||
#define PORT6 6
|
||||
#define PORT7 7
|
||||
#define PORT8 8
|
||||
#define PORT9 9
|
||||
#define PORT10 10
|
||||
#define PORT11 11
|
||||
#define PORT12 12
|
||||
#define PORT13 13
|
||||
#define PORT14 14
|
||||
#define PORT15 15
|
||||
#define PORT16 16
|
||||
#define PORT17 17
|
||||
#define PORT18 18
|
||||
#define PORT19 19
|
||||
#define PORT20 20
|
||||
#define PORT21 21
|
||||
#define PORT22 22
|
||||
#define PORT23 23
|
||||
#define PORT24 24
|
||||
#define PORT25 25
|
||||
#define PORT26 26
|
||||
#define PORT27 27
|
||||
#define PORT28 28
|
||||
#define PORT29 29
|
||||
#define PORT30 30
|
||||
#define PORT31 31
|
||||
/** @} */
|
||||
|
||||
/*===========================================================================*/
|
||||
/* Implementation, some of the following macros could be implemented as */
|
||||
/* functions, if so please put them in pal_lld.c. */
|
||||
/*===========================================================================*/
|
||||
|
||||
/**
|
||||
* @brief Port bit helper macro.
|
||||
* @note Overrides the one in @p pal.h.
|
||||
*
|
||||
* @param[in] n bit position within the port
|
||||
*
|
||||
* @return The bit mask.
|
||||
*/
|
||||
#define PAL_PORT_BIT(n) ((ioportmask_t)(0x8000U >> (n)))
|
||||
|
||||
/**
|
||||
* @brief Low level PAL subsystem initialization.
|
||||
*
|
||||
* @param[in] config architecture-dependent ports configuration
|
||||
*
|
||||
* @notapi
|
||||
*/
|
||||
#define pal_lld_init(config) _pal_lld_init(config)
|
||||
|
||||
#if SPC5_SIU_SUPPORTS_PORTS || defined(__DOXYGEN__)
|
||||
/**
|
||||
* @brief Reads the physical I/O port states.
|
||||
*
|
||||
* @param[in] port port identifier
|
||||
* @return The port bits.
|
||||
*
|
||||
* @notapi
|
||||
*/
|
||||
#define pal_lld_readport(port) (((volatile uint16_t *)SIU.PGPDI)[port])
|
||||
|
||||
/**
|
||||
* @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) (((volatile uint16_t *)SIU.PGPDO)[port])
|
||||
|
||||
/**
|
||||
* @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) \
|
||||
(((volatile uint16_t *)SIU.PGPDO)[port] = (bits))
|
||||
|
||||
/**
|
||||
* @brief Reads a group of bits.
|
||||
*
|
||||
* @param[in] port port identifier
|
||||
* @param[in] mask group mask
|
||||
* @param[in] offset group bit offset within the port
|
||||
* @return The group logical states.
|
||||
*
|
||||
* @notapi
|
||||
*/
|
||||
#define pal_lld_readgroup(port, mask, offset) \
|
||||
_pal_lld_readgroup(port, mask, offset)
|
||||
|
||||
/**
|
||||
* @brief Writes a group of bits.
|
||||
*
|
||||
* @param[in] port port identifier
|
||||
* @param[in] mask group mask
|
||||
* @param[in] offset group bit offset within the port
|
||||
* @param[in] bits bits to be written. Values exceeding the group width
|
||||
* are masked.
|
||||
*
|
||||
* @notapi
|
||||
*/
|
||||
#define pal_lld_writegroup(port, mask, offset, bits) \
|
||||
_pal_lld_writegroup(port, mask, offset, bits)
|
||||
|
||||
#endif /* SPC5_SIU_SUPPORTS_PORTS */
|
||||
|
||||
/**
|
||||
* @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[((port) * 16) + (pad)].R)
|
||||
|
||||
/**
|
||||
* @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[((port) * 16) + (pad)].R = (bit))
|
||||
|
||||
/**
|
||||
* @brief Sets a pad logical state to @p PAL_HIGH.
|
||||
*
|
||||
* @param[in] port port identifier
|
||||
* @param[in] pad pad number within the port
|
||||
*
|
||||
* @notapi
|
||||
*/
|
||||
#define pal_lld_setpad(port, pad) \
|
||||
(SIU.GPDO[((port) * 16) + (pad)].R = 1)
|
||||
|
||||
/**
|
||||
* @brief Clears a pad logical state to @p PAL_LOW.
|
||||
*
|
||||
* @param[in] port port identifier
|
||||
* @param[in] pad pad number within the port
|
||||
*
|
||||
* @notapi
|
||||
*/
|
||||
#define pal_lld_clearpad(port, pad) \
|
||||
(SIU.GPDO[((port) * 16) + (pad)].R = 0)
|
||||
|
||||
/**
|
||||
* @brief Toggles a pad logical state.
|
||||
* @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
|
||||
*
|
||||
* @notapi
|
||||
*/
|
||||
#define pal_lld_togglepad(port, pad) \
|
||||
(SIU.GPDO[((port) * 16) + (pad)].R = ~SIU.GPDO[((port) * 16) + (pad)].R)
|
||||
|
||||
/**
|
||||
* @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);
|
||||
ioportmask_t _pal_lld_readgroup(ioportid_t port,
|
||||
ioportmask_t mask,
|
||||
uint_fast8_t offset);
|
||||
void _pal_lld_writegroup(ioportid_t port,
|
||||
ioportmask_t mask,
|
||||
uint_fast8_t offset,
|
||||
ioportmask_t bits);
|
||||
void _pal_lld_setgroupmode(ioportid_t port,
|
||||
ioportmask_t mask,
|
||||
iomode_t mode);
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* HAL_USE_PAL */
|
||||
|
||||
#endif /* _PAL_LLD_H_ */
|
||||
|
||||
/** @} */
|
||||
Reference in New Issue
Block a user