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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.h
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.h')
-rw-r--r--os/io/mmc_spi.h102
1 files changed, 102 insertions, 0 deletions
diff --git a/os/io/mmc_spi.h b/os/io/mmc_spi.h
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+++ b/os/io/mmc_spi.h
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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.h
+ * @brief MMC over SPI driver header
+ * @addtogroup MMC_SPI
+ * @{
+ */
+
+#ifndef _MMC_SPI_H_
+#define _MMC_SPI_H_
+
+/**
+ * @brief Driver state machine possible states.
+ */
+typedef enum {
+ MMC_UNINIT = 0, /**< @brief Not initialized. */
+ MMC_STOP = 1, /**< @brief Stopped. */
+ MMC_READY = 2 /**< @brief Ready. */
+} mmcstate_t;
+
+/**
+ * @brief Driver configuration structure.
+ */
+typedef struct {
+
+} MMCConfig;
+
+/**
+ * @brief Structure representing a MMC driver.
+ */
+typedef struct {
+ /**
+ * @brief Driver state.
+ */
+ mmcstate_t mmc_state;
+ /**
+ * @brief Current configuration data.
+ */
+ const MMCConfig *mmc_config;
+ /**
+ * @brief SPI driver associated to this MMC driver.
+ */
+ SPIDriver *mmc_spip;
+ /**
+ * @brief SPI low speed configuration used during initialization.
+ */
+ const SPIConfig *mmc_lscfg;
+ /**
+ * @brief SPI high speed configuration used during transfers.
+ */
+ const SPIConfig *mmc_hscfg;
+ /**
+ * @brief Write protect status query function.
+ */
+ mmcquery_t mmc_is_protected;
+ /**
+ * @brief Insertion status query function.
+ */
+ mmcquery_t mmc_is_inserted;
+} MMCDriver;
+
+/**
+ * @brief Function used to query some hardware status bits.
+ *
+ * @return The status.
+ */
+typedef bool_t (*mmcquery_t)(void);
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+ void mmcInit(void);
+ void mmcObjectInit(MMCDriver *mmcp, SPIDriver *spip,
+ const SPIConfig *lscfg, const SPIConfig *hscfg,
+ mmcquery_t is_protected, mmcquery_t is_inserted);
+ void mmcStart(MMCDriver *mmcp, const MMCConfig *config);
+ void mmcStop(MMCDriver *mmcp);
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _MMC_SPI_H_ */
+
+/** @} */