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| author | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2013-06-15 15:58:20 +0000 |
|---|---|---|
| committer | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2013-06-15 15:58:20 +0000 |
| commit | 7c68ef157d009f9932ac47ba21ba5d74e321623f (patch) | |
| tree | 6c2442ca44cd090656ec3059ffb959f3d747e18d /os/hal/platforms/STM8L/pal_lld.c | |
| parent | 076746af63d317f8e96766b9137a65679f60463f (diff) | |
| parent | e0d850113610f3efa0c0ac4946901f683e5e7332 (diff) | |
| download | ChibiOS-7c68ef157d009f9932ac47ba21ba5d74e321623f.tar.gz ChibiOS-7c68ef157d009f9932ac47ba21ba5d74e321623f.tar.bz2 ChibiOS-7c68ef157d009f9932ac47ba21ba5d74e321623f.zip | |
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/branches/kernel_3_dev@5854 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'os/hal/platforms/STM8L/pal_lld.c')
| -rw-r--r-- | os/hal/platforms/STM8L/pal_lld.c | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/os/hal/platforms/STM8L/pal_lld.c b/os/hal/platforms/STM8L/pal_lld.c new file mode 100644 index 000000000..1b83d8a8d --- /dev/null +++ b/os/hal/platforms/STM8L/pal_lld.c @@ -0,0 +1,105 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file STM8L/pal_lld.c
+ * @brief STM8L GPIO low level driver code.
+ *
+ * @addtogroup PAL
+ * @{
+ */
+
+#include "ch.h"
+#include "hal.h"
+
+#if HAL_USE_PAL || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver exported variables. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local variables and types. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* 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.
+ * @note @p PAL_MODE_UNCONNECTED is implemented as push pull output at 2MHz.
+ *
+ * @param[in] port the port identifier
+ * @param[in] mask the group mask
+ * @param[in] mode the mode
+ *
+ * @notapi
+ */
+void _pal_lld_setgroupmode(ioportid_t port,
+ ioportmask_t mask,
+ iomode_t mode) {
+
+ switch (mode) {
+ case PAL_MODE_RESET:
+ case PAL_MODE_INPUT_PULLUP:
+ port->DDR &= ~mask;
+ port->CR1 |= mask;
+ port->CR2 &= ~mask;
+ break;
+ case PAL_MODE_INPUT:
+ case PAL_MODE_INPUT_ANALOG:
+ port->DDR &= ~mask;
+ port->CR1 &= ~mask;
+ port->CR2 &= ~mask;
+ break;
+ case PAL_MODE_UNCONNECTED:
+ case PAL_MODE_OUTPUT_PUSHPULL_SLOW:
+ port->DDR |= mask;
+ port->CR1 |= mask;
+ port->CR2 &= ~mask;
+ break;
+ case PAL_MODE_OUTPUT_PUSHPULL:
+ port->DDR |= mask;
+ port->CR1 |= mask;
+ port->CR2 |= mask;
+ break;
+ case PAL_MODE_OUTPUT_OPENDRAIN_SLOW:
+ port->DDR |= mask;
+ port->CR1 &= ~mask;
+ port->CR2 &= ~mask;
+ break;
+ case PAL_MODE_OUTPUT_OPENDRAIN:
+ port->DDR |= mask;
+ port->CR1 &= ~mask;
+ port->CR2 |= mask;
+ break;
+ }
+}
+
+#endif /* HAL_USE_PAL */
+
+/** @} */
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