diff options
Diffstat (limited to 'ports/ARM7-LPC214x')
| -rw-r--r-- | ports/ARM7-LPC214x/pal_lld.c | 60 | ||||
| -rw-r--r-- | ports/ARM7-LPC214x/pal_lld.h | 35 |
2 files changed, 94 insertions, 1 deletions
diff --git a/ports/ARM7-LPC214x/pal_lld.c b/ports/ARM7-LPC214x/pal_lld.c new file mode 100644 index 000000000..3c06f39ce --- /dev/null +++ b/ports/ARM7-LPC214x/pal_lld.c @@ -0,0 +1,60 @@ +/*
+ 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 ports/ARM7-LPC214x/pal_lld.c
+ * @brief LPC214x FIO low level driver code
+ * @addtogroup LPC214x_PAL
+ * @{
+ */
+
+#include <ch.h>
+#include <pal.h>
+
+/**
+ * @brief LPC214x I/O ports configuration.
+ * @details Ports A-D clocks enabled, AFIO clock enabled.
+ *
+ * @param[in] config the LPC214x ports configuration
+ */
+void _pal_lld_init(const LPC214xFIOConfig *config) {
+}
+
+/**
+ * @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.
+ * @note Writing on pads programmed as pull-up or pull-down has the side
+ * effect to modify the resistor setting because the output latched data
+ * is used for the resistor selection.
+ */
+void _pal_lld_setgroupmode(ioportid_t port,
+ ioportmask_t mask,
+ uint_fast8_t mode) {
+}
+
+/** @} */
diff --git a/ports/ARM7-LPC214x/pal_lld.h b/ports/ARM7-LPC214x/pal_lld.h index e2ea34b54..bb0f2efac 100644 --- a/ports/ARM7-LPC214x/pal_lld.h +++ b/ports/ARM7-LPC214x/pal_lld.h @@ -19,7 +19,7 @@ /**
* @file ports/ARM7-LPC214x/pal_lld.h
- * @brief LPC214x FIO low level driver
+ * @brief LPC214x FIO low level driver header
* @addtogroup LPC214x_PAL
* @{
*/
@@ -32,10 +32,32 @@ #endif
/*===========================================================================*/
+/* Unsupported modes and specific modes */
+/*===========================================================================*/
+
+#undef PAL_MODE_INPUT_PULLUP
+#undef PAL_MODE_INPUT_PULLDOWN
+#undef PAL_MODE_OUTPUT_OPENDRAIN
+
+/*===========================================================================*/
/* I/O Ports Types and constants. */
/*===========================================================================*/
/**
+ * @brief LPC214x FIO 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 Port 0 setup data.*/
+ ioportmask_t P0Data;
+ /** @brief Port 1 setup data.*/
+ ioportmask_t P1Data;
+} LPC214xFIOConfig;
+
+/**
* @brief Width, in bits, of an I/O port. */
#define PAL_IOPORTS_WIDTH 32
@@ -183,6 +205,17 @@ typedef FIO * ioportid_t; (port)->FIO_DIR = (dir); \
}
+#ifdef __cplusplus
+extern "C" {
+#endif
+ void _pal_lld_init(const LPC214xFIOConfig *config);
+ void _pal_lld_setgroupmode(ioportid_t port,
+ ioportmask_t mask,
+ uint_fast8_t mode);
+#ifdef __cplusplus
+}
+#endif
+
#endif /* _PAL_LLD_H_ */
/** @} */
|