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();
+}
+
+/** @} */