1 files changed, 121 insertions, 0 deletions
diff --git a/os/hal/src/ext.c b/os/hal/src/ext.c
new file mode 100644
index 000000000..d68758684
--- /dev/null
+++ b/os/hal/src/ext.c
@@ -0,0 +1,121 @@
+/*
+    ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
+                 2011 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    ext.c
+ * @brief   EXT Driver code.
+ *
+ * @addtogroup EXT
+ * @{
+ */
+
+#include "ch.h"
+#include "hal.h"
+
+#if HAL_USE_EXT || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver local definitions.                                                 */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver exported variables.                                                */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local variables.                                                   */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local functions.                                                   */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver exported functions.                                                */
+/*===========================================================================*/
+
+/**
+ * @brief   EXT Driver initialization.
+ * @note    This function is implicitly invoked by @p halInit(), there is
+ *          no need to explicitly initialize the driver.
+ *
+ * @init
+ */
+void extInit(void) {
+
+  ext_lld_init();
+}
+
+/**
+ * @brief   Initializes the standard part of a @p EXTDriver structure.
+ *
+ * @param[out] extp     pointer to the @p EXTDriver object
+ *
+ * @init
+ */
+void extObjectInit(EXTDriver *extp) {
+
+  extp->state  = EXT_STOP;
+  extp->config = NULL;
+}
+
+/**
+ * @brief   Configures and activates the EXT peripheral.
+ *
+ * @param[in] extp      pointer to the @p EXTDriver object
+ * @param[in] config    pointer to the @p EXTConfig object
+ *
+ * @api
+ */
+void extStart(EXTDriver *extp, const EXTConfig *config) {
+
+  chDbgCheck((extp != NULL) && (config != NULL), "extStart");
+
+  chSysLock();
+  chDbgAssert((extp->state == EXT_STOP) || (extp->state == EXT_ACTIVE),
+              "extStart(), #1", "invalid state");
+  extp->config = config;
+  ext_lld_start(extp);
+  extp->state = EXT_ACTIVE;
+  chSysUnlock();
+}
+
+/**
+ * @brief   Deactivates the EXT peripheral.
+ *
+ * @param[in] extp      pointer to the @p EXTDriver object
+ *
+ * @api
+ */
+void extStop(EXTDriver *extp) {
+
+  chDbgCheck(extp != NULL, "extStop");
+
+  chSysLock();
+  chDbgAssert((extp->state == EXT_STOP) || (extp->state == EXT_ACTIVE),
+              "extStop(), #1", "invalid state");
+  ext_lld_stop(extp);
+  extp->state = EXT_STOP;
+  chSysUnlock();
+}
+
+#endif /* HAL_USE_EXT */
+
+/** @} */