Completed PAL support for LPC214x.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@1056 35acf78f-673a-0410-8e92-d51de3d6d3f4

1 files changed, 17 insertions, 5 deletions

diff --git a/ports/ARM7-LPC214x/pal_lld.c b/ports/ARM7-LPC214x/pal_lld.c
index 3d300bb55..e197a39fc 100644
--- a/ports/ARM7-LPC214x/pal_lld.c
+++ b/ports/ARM7-LPC214x/pal_lld.c
@@ -29,7 +29,7 @@
 

 /**

  * @brief LPC214x I/O ports configuration.

- * @details .

+ * @details FIO units and PINSEL registers initialization.

  *

  * @param[in] config the LPC214x ports configuration

  */

@@ -64,14 +64,26 @@ void _pal_lld_init(const LPC214xFIOConfig *config) {
  *

  * @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.

+ * @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->FIO_DIR &= ~mask;

+    break;

+  case PAL_MODE_UNCONNECTED:

+    port->FIO_PIN |= mask;

+  case PAL_MODE_OUTPUT_PUSHPULL:

+    port->FIO_DIR |= mask;

+    break;

+  }

 }

 

 /** @} */