144 lines
4.5 KiB
C
144 lines
4.5 KiB
C
/*
|
|
* Licensed under ST Liberty SW License Agreement V2, (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.st.com/software_license_agreement_liberty_v2
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
/**
|
|
* @file SPC5xx/SIU_v1/pal_lld.c
|
|
* @brief SPC5xx SIU 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. */
|
|
/*===========================================================================*/
|
|
|
|
#if defined(SPC5_SIU_SYSTEM_PINS)
|
|
static const unsigned system_pins[] = {SPC5_SIU_SYSTEM_PINS};
|
|
#endif
|
|
|
|
/*===========================================================================*/
|
|
/* 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;
|
|
|
|
/* Initialize PCR registers for defined pads.*/
|
|
i = 0;
|
|
while (config->inits[i].pcr_value != 0) {
|
|
SIU.GPDO[config->inits[i].pcr_index].R = config->inits[i].gpdo_value;
|
|
SIU.PCR[config->inits[i].pcr_index].R = config->inits[i].pcr_value;
|
|
i++;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @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
|
|
*/
|
|
ioportmask_t _pal_lld_readgroup(ioportid_t port,
|
|
ioportmask_t mask,
|
|
uint_fast8_t offset) {
|
|
|
|
(void)port;
|
|
(void)mask;
|
|
(void)offset;
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* @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
|
|
*/
|
|
void _pal_lld_writegroup(ioportid_t port,
|
|
ioportmask_t mask,
|
|
uint_fast8_t offset,
|
|
ioportmask_t bits) {
|
|
|
|
(void)port;
|
|
(void)mask;
|
|
(void)offset;
|
|
(void)bits;
|
|
}
|
|
|
|
/**
|
|
* @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) {
|
|
unsigned pcr_index = (unsigned)(port * PAL_IOPORTS_WIDTH);
|
|
ioportmask_t m1 = 0x8000;
|
|
while (m1) {
|
|
if (mask & m1)
|
|
SIU.PCR[pcr_index].R = mode;
|
|
m1 >>= 1;
|
|
++pcr_index;
|
|
}
|
|
}
|
|
|
|
#endif /* HAL_USE_PAL */
|
|
|
|
/** @} */
|