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authorgdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>2009-11-08 09:57:51 +0000
committergdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>2009-11-08 09:57:51 +0000
commitb3230b8011c710825a6e9265e2ae1f2f2c1cded7 (patch)
tree87bdd768e6fa2d7f9b8ae5aa3175724bfa229d38 /os/io/mmc_spi.c
parent2487bc05e4cb0a386f2c4633b97a5879c170eea1 (diff)
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git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@1274 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'os/io/mmc_spi.c')
-rw-r--r--os/io/mmc_spi.c92
1 files changed, 92 insertions, 0 deletions
diff --git a/os/io/mmc_spi.c b/os/io/mmc_spi.c
new file mode 100644
index 000000000..75162c193
--- /dev/null
+++ b/os/io/mmc_spi.c
@@ -0,0 +1,92 @@
+/*
+ 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();
+}
+
+/** @} */