1 files changed, 128 insertions, 0 deletions
diff --git a/os/hal/src/emc.c b/os/hal/src/emc.c
new file mode 100644
index 000000000..61948b5d2
--- /dev/null
+++ b/os/hal/src/emc.c
@@ -0,0 +1,128 @@
+/*
+    ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
+                 2011,2012,2013 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/>.
+*/
+/*
+   Concepts and parts of this file have been contributed by Uladzimir Pylinsky
+   aka barthess.
+ */
+
+/**
+ * @file    emc.c
+ * @brief   EMC Driver code.
+ *
+ * @addtogroup EMC
+ * @{
+ */
+
+#include "hal.h"
+
+#if HAL_USE_EMC || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver local definitions.                                                 */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver exported variables.                                                */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local types.                                                       */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local variables.                                                   */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local functions.                                                   */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver exported functions.                                                */
+/*===========================================================================*/
+
+/**
+ * @brief   EMC Driver initialization.
+ * @note    This function is implicitly invoked by @p halInit(), there is
+ *          no need to explicitly initialize the driver.
+ *
+ * @init
+ */
+void emcInit(void) {
+
+  emc_lld_init();
+}
+
+/**
+ * @brief   Initializes the standard part of a @p EMCDriver structure.
+ *
+ * @param[out] emcp     pointer to the @p EMCDriver object
+ *
+ * @init
+ */
+void emcObjectInit(EMCDriver *emcp) {
+
+  emcp->state  = EMC_STOP;
+  emcp->config = NULL;
+}
+
+/**
+ * @brief   Configures and activates the EMC peripheral.
+ *
+ * @param[in] emcp      pointer to the @p EMCDriver object
+ * @param[in] config    pointer to the @p EMCConfig object
+ *
+ * @api
+ */
+void emcStart(EMCDriver *emcp, const EMCConfig *config) {
+
+  osalDbgCheck((emcp != NULL) && (config != NULL));
+
+  osalSysLock();
+  osalDbgAssert((emcp->state == EMC_STOP) || (emcp->state == EMC_READY),
+              "invalid state");
+  emcp->config = config;
+  emc_lld_start(emcp);
+  emcp->state = EMC_READY;
+  osalSysUnlock();
+}
+
+/**
+ * @brief   Deactivates the EMC peripheral.
+ *
+ * @param[in] emcp      pointer to the @p EMCDriver object
+ *
+ * @api
+ */
+void emcStop(EMCDriver *emcp) {
+
+  osalDbgCheck(emcp != NULL);
+
+  osalSysLock();
+  osalDbgAssert((emcp->state == EMC_STOP) || (emcp->state == EMC_READY),
+              "invalid state");
+  emc_lld_stop(emcp);
+  emcp->state = EMC_STOP;
+  osalSysUnlock();
+}
+
+#endif /* HAL_USE_EMC */
+
+/** @} */