diff options
Diffstat (limited to 'ports/ARM7-AT91SAM7X/pal_lld.c')
| -rw-r--r-- | ports/ARM7-AT91SAM7X/pal_lld.c | 116 |
1 files changed, 0 insertions, 116 deletions
diff --git a/ports/ARM7-AT91SAM7X/pal_lld.c b/ports/ARM7-AT91SAM7X/pal_lld.c deleted file mode 100644 index 266bdb38d..000000000 --- a/ports/ARM7-AT91SAM7X/pal_lld.c +++ /dev/null @@ -1,116 +0,0 @@ -/*
- ChibiOS/RT - Copyright (C) 2006-2007 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 <http://www.gnu.org/licenses/>.
-*/
-
-/**
- * @file ports/ARM7-AT91SAM7X/pal_lld.c
- * @brief AT91SAM7X PIO low level driver code
- * @addtogroup AT91SAM7X_PAL
- * @{
- */
-
-#include <ch.h>
-#include <pal.h>
-
-/**
- * @brief AT91SAM7X I/O ports configuration.
- * @details PIO registers initialization.
- *
- * @param[in] config the AT91SAM7X ports configuration
- */
-void _pal_lld_init(const AT91SAM7XPIOConfig *config) {
-
- AT91C_BASE_PMC->PMC_PCER = (1 << AT91C_ID_PIOA) | (1 << AT91C_ID_PIOB);
-
- /*
- * PIOA setup. - */
- AT91C_BASE_PIOA->PIO_OER = config->P0Data.pusr; /* Pull-up as spec.*/
- AT91C_BASE_PIOA->PIO_ODR = ~config->P0Data.pusr;
- AT91C_BASE_PIOA->PIO_PER = 0xFFFFFFFF; /* PIO enabled.*/
- AT91C_BASE_PIOA->PIO_ODSR = config->P0Data.odsr; /* Data as specified.*/
- AT91C_BASE_PIOA->PIO_OER = config->P0Data.osr; /* Dir. as specified.*/
- AT91C_BASE_PIOA->PIO_ODR = ~config->P0Data.osr;
- AT91C_BASE_PIOA->PIO_IFDR = 0xFFFFFFFF; /* Filter disabled.*/
- AT91C_BASE_PIOA->PIO_IDR = 0xFFFFFFFF; /* Int. disabled.*/
- AT91C_BASE_PIOA->PIO_MDDR = 0xFFFFFFFF; /* Push Pull drive.*/
- AT91C_BASE_PIOA->PIO_ASR = 0xFFFFFFFF; /* Peripheral A.*/
- AT91C_BASE_PIOA->PIO_OWER = 0xFFFFFFFF; /* Write enabled.*/
-
- /*
- * PIOB setup. - */
- AT91C_BASE_PIOB->PIO_OER = config->P0Data.pusr; /* Pull-up as spec.*/
- AT91C_BASE_PIOB->PIO_ODR = ~config->P0Data.pusr;
- AT91C_BASE_PIOB->PIO_PER = 0xFFFFFFFF; /* PIO enabled.*/
- AT91C_BASE_PIOB->PIO_ODSR = config->P1Data.odsr; /* Data as specified.*/
- AT91C_BASE_PIOB->PIO_OER = config->P1Data.osr; /* Dir. as specified.*/
- AT91C_BASE_PIOB->PIO_ODR = ~config->P1Data.osr;
- AT91C_BASE_PIOB->PIO_IFDR = 0xFFFFFFFF; /* Filter disabled.*/
- AT91C_BASE_PIOB->PIO_IDR = 0xFFFFFFFF; /* Int. disabled.*/
- AT91C_BASE_PIOB->PIO_MDDR = 0xFFFFFFFF; /* Push Pull drive.*/
- AT91C_BASE_PIOB->PIO_ASR = 0xFFFFFFFF; /* Peripheral A.*/
- AT91C_BASE_PIOB->PIO_OWER = 0xFFFFFFFF; /* Write enabled.*/
-}
-
-/**
- * @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_RESET is implemented as input with pull-up.
- * @note @p PAL_MODE_UNCONNECTED is implemented as push pull output with high
- * state.
- * @note @p PAL_MODE_OUTPUT_OPENDRAIN also enables the pull-up resistor.
- */
-void _pal_lld_setgroupmode(ioportid_t port,
- ioportmask_t mask,
- uint_fast8_t mode) {
-
- switch (mode & PAL_MODE_MASK) {
- case PAL_MODE_RESET:
- case PAL_MODE_INPUT_PULLUP:
- port->PIO_PPUER = mask;
- port->PIO_ODR = mask;
- break;
- case PAL_MODE_INPUT:
- port->PIO_PPUDR = mask;
- port->PIO_ODR = mask;
- break;
- case PAL_MODE_UNCONNECTED:
- port->PIO_SODR = mask;
- /* Falls in */
- case PAL_MODE_OUTPUT_PUSHPULL:
- port->PIO_PPUDR = mask;
- port->PIO_OER = mask;
- port->PIO_MDDR = mask;
- break;
- case PAL_MODE_OUTPUT_OPENDRAIN:
- port->PIO_PPUER = mask;
- port->PIO_OER = mask;
- port->PIO_MDER = mask;
- }
-}
-
-/** @} */
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