Simulator PAL driver.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@1649 35acf78f-673a-0410-8e92-d51de3d6d3f4

4 files changed, 310 insertions, 0 deletions

diff --git a/os/hal/platforms/Win32/hal_lld.c b/os/hal/platforms/Win32/hal_lld.c
index a38d356d8..31e2b9a87 100644
--- a/os/hal/platforms/Win32/hal_lld.c
+++ b/os/hal/platforms/Win32/hal_lld.c
@@ -38,6 +38,15 @@
 static LARGE_INTEGER nextcnt;

 static LARGE_INTEGER slice;

 

+/**

+ * @brief PAL setup.

+ * @details Digital I/O ports static configuration as defined in @p board.h.

+ */

+const VIOConfig pal_default_config = {

+ {0, 0, 0},

+ {0, 0, 0}

+};

+

 /*===========================================================================*/

 /* Driver local functions.                                                   */

 /*===========================================================================*/

diff --git a/os/hal/platforms/Win32/pal_lld.c b/os/hal/platforms/Win32/pal_lld.c
new file mode 100644
index 000000000..e83050ece
--- /dev/null
+++ b/os/hal/platforms/Win32/pal_lld.c
@@ -0,0 +1,98 @@
+/*

+    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/>.

+*/

+

+/**

+ * @file    Win32/pal_lld.c

+ * @brief   Win32 low level simulated PAL driver code.

+ *

+ * @addtogroup WIN32_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 */

+

+/** @} */

diff --git a/os/hal/platforms/Win32/pal_lld.h b/os/hal/platforms/Win32/pal_lld.h
new file mode 100644
index 000000000..d2d857184
--- /dev/null
+++ b/os/hal/platforms/Win32/pal_lld.h
@@ -0,0 +1,202 @@
+/*

+    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/>.

+*/

+

+/**

+ * @file    Win32/pal_lld.h

+ * @brief   Win32 low level simulated PAL driver header.

+ *

+ * @addtogroup WIN32_PAL

+ * @{

+ */

+

+#ifndef _PAL_LLD_H_

+#define _PAL_LLD_H_

+

+#if CH_HAL_USE_PAL || defined(__DOXYGEN__)

+

+/*===========================================================================*/

+/* Unsupported modes and specific modes                                      */

+/*===========================================================================*/

+

+#undef PAL_MODE_INPUT_PULLUP

+#undef PAL_MODE_INPUT_PULLDOWN

+#undef PAL_MODE_OUTPUT_OPENDRAIN

+#undef PAL_MODE_INPUT_ANALOG

+

+/*===========================================================================*/

+/* I/O Ports Types and constants.                                            */

+/*===========================================================================*/

+

+/**

+ * @brief   VIO port structure.

+ */

+typedef struct {

+  /**

+   * @brief   VIO_LATCH register.

+   * @details This register represents the output latch of the VIO port.

+   */

+  uint32_t          latch;

+  /**

+   * @brief   VIO_PIN register.

+   * @details This register represents the logical level at the VIO port

+   *          pin level.

+   */

+  uint32_t          pin;

+  /**

+   * @brief   VIO_DIR register.

+   * @details Direction of the VIO port bits, 0=input, 1=output.

+   */

+  uint32_t          dir;

+} sim_vio_port_t;

+

+/**

+ * @brief   Virtual I/O ports static initializer.

+ * @details An instance of this structure must be passed to @p palInit() at

+ *          system startup time in order to initialized the digital I/O

+ *          subsystem. This represents only the initial setup, specific pads

+ *          or whole ports can be reprogrammed at later time.

+ */

+typedef struct {

+  /**

+   * @brief Virtual port 1 setup data.

+   */

+  sim_vio_port_t    VP1Data;

+  /**

+   * @brief Virtual port 2 setup data.

+   */

+  sim_vio_port_t    VP2Data;

+} VIOConfig;

+

+/**

+ * @brief   Width, in bits, of an I/O port.

+ */

+#define PAL_IOPORTS_WIDTH 32

+

+/**

+ * @brief   Whole port mask.

+ * @brief   This macro specifies all the valid bits into a port.

+ */

+#define PAL_WHOLE_PORT ((ioportmask_t)0xFFFFFFFF)

+

+/**

+ * @brief   Digital I/O port sized unsigned type.

+ */

+typedef uint32_t ioportmask_t;

+

+/**

+ * @brief   Port Identifier.

+ */

+typedef sim_vio_port_t *ioportid_t;

+

+/*===========================================================================*/

+/* I/O Ports Identifiers.                                                    */

+/*===========================================================================*/

+

+/**

+ * @brief   VIO port 1 identifier.

+ */

+#define IOPORT1         (&vio_port_1)

+

+/**

+ * @brief   VIO port 2 identifier.

+ */

+#define IOPORT2         (&vio_port_2)

+

+/*===========================================================================*/

+/* Implementation, some of the following macros could be implemented as      */

+/* functions, if so please put them in pal_lld.c.                            */

+/*===========================================================================*/

+

+/**

+ * @brief   Low level PAL subsystem initialization.

+ *

+ * @param[in] config    architecture-dependent ports configuration

+ */

+#define pal_lld_init(config) {                                              \

+  vio_port_1 = (config)->VP1Data;                                           \

+  vio_port_2 = (config)->VP2Data;                                           \

+}

+

+/**

+ * @brief   Reads the physical I/O port states.

+ * @note    This function is not meant to be invoked directly by the

+ *          application code.

+ *

+ * @param[in] port      port identifier

+ * @return              The port bits.

+ */

+#define pal_lld_readport(port) ((port)->pin)

+

+/**

+ * @brief   Reads the output latch.

+ * @details The purpose of this function is to read back the latched output

+ *          value.

+ * @note    This function is not meant to be invoked directly by the

+ *          application code.

+ *

+ * @param[in] port      port identifier

+ * @return              The latched logical states.

+ */

+#define pal_lld_readlatch(port) ((port)->latch)

+

+/**

+ * @brief   Writes a bits mask on a I/O port.

+ * @note    This function is not meant to be invoked directly by the

+ *          application code.

+ *

+ * @param[in] port      port identifier

+ * @param[in] bits      bits to be written on the specified port

+ */

+#define pal_lld_writeport(port, bits) ((port)->latch = (bits))

+

+/**

+ * @brief   Pads group mode setup.

+ * @details This function programs a pads group belonging to the same port

+ *          with the specified mode.

+ * @note    This function is not meant to be invoked directly by the

+ *          application code.

+ * @note    Programming an unknown or unsupported mode is silently ignored.

+ *

+ * @param[in] port      port identifier

+ * @param[in] mask      group mask

+ * @param[in] mode      group mode

+ */

+#define pal_lld_setgroupmode(port, mask, mode)

+

+#if !defined(__DOXYGEN__)

+extern sim_vio_port_t vio_port_1;

+extern sim_vio_port_t vio_port_2;

+extern const VIOConfig pal_default_config;

+#endif

+

+#ifdef __cplusplus

+extern "C" {

+#endif

+  void _pal_lld_setgroupmode(ioportid_t port,

+                             ioportmask_t mask,

+                             uint_fast8_t mode);

+#ifdef __cplusplus

+}

+#endif

+

+#endif /* CH_HAL_USE_PAL */

+

+#endif /* _PAL_LLD_H_ */

+

+/** @} */

diff --git a/os/hal/platforms/Win32/platform.mk b/os/hal/platforms/Win32/platform.mk
index a35edc669..0887c1ae3 100644
--- a/os/hal/platforms/Win32/platform.mk
+++ b/os/hal/platforms/Win32/platform.mk
@@ -1,5 +1,6 @@
 # List of all the Win32 platform files.

 PLATFORMSRC = ${CHIBIOS}/os/hal/platforms/Win32/hal_lld.c \

+              ${CHIBIOS}/os/hal/platforms/Win32/pal_lld.c \

               ${CHIBIOS}/os/hal/platforms/Win32/serial_lld.c

 

 # Required include directories