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/*
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 mmc_spi.c
* @brief MMC over SPI driver code
* @addtogroup MMC_SPI
* @{
*/
#include <ch.h>
#include <spi.h>
#include <mmc_spi.h>
/**
* @brief MMC over SPI driver initialization.
*/
void mmcInit(void) {
}
/**
* @brief Initializes an instance.
*
* @param[in] mmcp pointer to the @p MMCDriver object
*/
void mmcObjectInit(MMCDriver *mmcp, SPIDriver *spip,
const SPIConfig *lscfg, const SPIConfig *hscfg,
mmcquery_t is_protected, mmcquery_t is_inserted) {
mmcp->mmc_state = MMC_STOP;
mmcp->mmc_config = NULL;
mmcp->mmc_spip = spip;
mmcp->mmc_lscfg = lscfg;
mmcp->mmc_hscfg = hscfg;
mmcp->mmc_is_protected = is_protected;
mmcp->mmc_is_inserted = is_inserted;
}
/**
* @brief Configures and activates the MMC peripheral.
*
* @param[in] mmcp pointer to the @p MMCDriver object
* @param[in] config pointer to the @p MMCConfig object
*/
void mmcStart(MMCDriver *mmcp, const MMCConfig *config) {
chDbgCheck((mmcp != NULL) && (config != NULL), "mmcStart");
chSysLock();
chDbgAssert((mmcp->mmc_state == MMC_STOP) || (mmcp->mmc_state == MMC_READY),
"mmcStart(), #1",
"invalid state");
mmcp->mmc_config = config;
mmcp->mmc_state = MMC_READY;
chSysUnlock();
}
/**
* @brief Deactivates the MMC peripheral.
*
* @param[in] mmcp pointer to the @p MMCDriver object
*/
void mmcStop(MMCDriver *mmcp) {
chDbgCheck(mmcp != NULL, "mmcStop");
chSysLock();
chDbgAssert((mmcp->mmc_state == MMC_STOP) || (mmcp->mmc_state == MMC_READY),
"mmcStop(), #1",
"invalid state");
mmcp->mmc_state = MMC_STOP;
chSysUnlock();
}
/** @} */
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