import ChibiOS 2.0.8

ChibiOS_2.0.8/os/hal/platforms/Posix/pal_lld.c

@@ -0,0 +1,105 @@
+/*
+    ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010 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/>.
+
+                                      ---
+
+    A special exception to the GPL can be applied should you wish to distribute
+    a combined work that includes ChibiOS/RT, without being obliged to provide
+    the source code for any proprietary components. See the file exception.txt
+    for full details of how and when the exception can be applied.
+*/
+
+/**
+ * @file    Posix/pal_lld.c
+ * @brief   Posix low level simulated PAL driver code.
+ *
+ * @addtogroup POSIX_PAL
+ * @{
+ */
+
+#include "ch.h"
+#include "hal.h"
+
+#if CH_HAL_USE_PAL || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver exported variables.                                                */
+/*===========================================================================*/
+
+/**
+ * @brief   VIO1 simulated port.
+ */
+sim_vio_port_t vio_port_1;
+
+/**
+ * @brief   VIO2 simulated port.
+ */
+sim_vio_port_t vio_port_2;
+
+/*===========================================================================*/
+/* Driver local variables.                                                   */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local functions.                                                   */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver interrupt handlers.                                                */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver exported functions.                                                */
+/*===========================================================================*/
+
+/**
+ * @brief Pads mode setup.
+ * @details This function programs a pads group belonging to the same port
+ *          with the specified mode.
+ *
+ * @param[in] port the port identifier
+ * @param[in] mask the group mask
+ * @param[in] mode the mode
+ *
+ * @note This function is not meant to be invoked directly by the application
+ *       code.
+ * @note @p PAL_MODE_UNCONNECTED is implemented as push pull output with high
+ *       state.
+ * @note This function does not alter the @p PINSELx registers. Alternate
+ *       functions setup must be handled by device-specific code.
+ */
+void _pal_lld_setgroupmode(ioportid_t port,
+                           ioportmask_t mask,
+                           uint_fast8_t mode) {
+
+  switch (mode) {
+  case PAL_MODE_RESET:
+  case PAL_MODE_INPUT:
+    port->dir &= ~mask;
+    break;
+  case PAL_MODE_UNCONNECTED:
+    port->latch |= mask;
+  case PAL_MODE_OUTPUT_PUSHPULL:
+    port->dir |= mask;
+    break;
+  }
+}
+
+#endif /* CH_HAL_USE_PAL */
+
+/** @} */