mirror of
https://github.com/portapack-mayhem/mayhem-firmware.git
synced 2024-12-15 12:38:11 +00:00
158 lines
4.5 KiB
C
Executable File
158 lines
4.5 KiB
C
Executable File
/*
|
|
ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
|
|
|
|
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.
|
|
*/
|
|
|
|
/**
|
|
* @file AVR/pal_lld.c
|
|
* @brief AVR GPIO low level driver code.
|
|
*
|
|
* @addtogroup PAL
|
|
* @{
|
|
*/
|
|
|
|
#include "ch.h"
|
|
#include "hal.h"
|
|
|
|
#if HAL_USE_PAL || defined(__DOXYGEN__)
|
|
|
|
/*===========================================================================*/
|
|
/* Driver exported variables. */
|
|
/*===========================================================================*/
|
|
|
|
/*===========================================================================*/
|
|
/* Driver local variables and types. */
|
|
/*===========================================================================*/
|
|
|
|
/*===========================================================================*/
|
|
/* Driver local functions. */
|
|
/*===========================================================================*/
|
|
|
|
/*===========================================================================*/
|
|
/* Driver interrupt handlers. */
|
|
/*===========================================================================*/
|
|
|
|
/*===========================================================================*/
|
|
/* Driver exported functions. */
|
|
/*===========================================================================*/
|
|
|
|
/**
|
|
* @brief AVR GPIO ports configuration.
|
|
* @details GPIO registers initialization.
|
|
*
|
|
* @param[in] config the AVR ports configuration
|
|
*
|
|
* @notapi
|
|
*/
|
|
void _pal_lld_init(const PALConfig *config) {
|
|
|
|
#if defined(PORTA) || defined(__DOXYGEN__)
|
|
PORTA = config->porta.out;
|
|
DDRA = config->porta.dir;
|
|
#endif
|
|
|
|
#if defined(PORTB) || defined(__DOXYGEN__)
|
|
PORTB = config->portb.out;
|
|
DDRB = config->portb.dir;
|
|
#endif
|
|
|
|
#if defined(PORTC) || defined(__DOXYGEN__)
|
|
PORTC = config->portc.out;
|
|
DDRC = config->portc.dir;
|
|
#endif
|
|
|
|
#if defined(PORTD) || defined(__DOXYGEN__)
|
|
PORTD = config->portd.out;
|
|
DDRD = config->portd.dir;
|
|
#endif
|
|
|
|
#if defined(PORTE) || defined(__DOXYGEN__)
|
|
PORTE = config->porte.out;
|
|
DDRE = config->porte.dir;
|
|
#endif
|
|
|
|
#if defined(PORTF) || defined(__DOXYGEN__)
|
|
PORTF = config->portf.out;
|
|
DDRF = config->portf.dir;
|
|
#endif
|
|
|
|
#if defined(PORTG) || defined(__DOXYGEN__)
|
|
PORTG = config->portg.out;
|
|
DDRG = config->portg.dir;
|
|
#endif
|
|
|
|
#if defined(PORTH) || defined(__DOXYGEN__)
|
|
PORTH = config->porth.out;
|
|
DDRH = config->porth.dir;
|
|
#endif
|
|
|
|
#if defined(PORTJ) || defined(__DOXYGEN__)
|
|
PORTJ = config->portj.out;
|
|
DDRJ = config->portj.dir;
|
|
#endif
|
|
|
|
#if defined(PORTK) || defined(__DOXYGEN__)
|
|
PORTK = config->portk.out;
|
|
DDRK = config->portk.dir;
|
|
#endif
|
|
|
|
#if defined(PORTL) || defined(__DOXYGEN__)
|
|
PORTL = config->portl.out;
|
|
DDRL = config->portl.dir;
|
|
#endif
|
|
}
|
|
|
|
/**
|
|
* @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
|
|
*
|
|
* @note This function is not meant to be invoked directly by the application
|
|
* code.
|
|
* @note @p PAL_MODE_UNCONNECTED is implemented as output as recommended by
|
|
* the AVR Family User's Guide. Unconnected pads are set to input
|
|
* with pull-up by default.
|
|
*
|
|
* @notapi
|
|
*/
|
|
void _pal_lld_setgroupmode(ioportid_t port,
|
|
ioportmask_t mask,
|
|
iomode_t mode) {
|
|
|
|
switch (mode) {
|
|
case PAL_MODE_RESET:
|
|
case PAL_MODE_INPUT:
|
|
case PAL_MODE_INPUT_ANALOG:
|
|
port->dir &= ~mask;
|
|
port->out &= ~mask;
|
|
break;
|
|
case PAL_MODE_UNCONNECTED:
|
|
case PAL_MODE_INPUT_PULLUP:
|
|
port->dir &= ~mask;
|
|
port->out |= mask;
|
|
break;
|
|
case PAL_MODE_OUTPUT_PUSHPULL:
|
|
port->dir |= mask;
|
|
break;
|
|
}
|
|
}
|
|
|
|
#endif /* HAL_USE_PAL */
|
|
|
|
/** @} */
|