diff options
| author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2011-08-15 14:55:36 +0000 |
|---|---|---|
| committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2011-08-15 14:55:36 +0000 |
| commit | 5435b6d5327bc257c9ee1df956e66c74df82bcc8 (patch) | |
| tree | ef86b01a2febb2a041c1c29f9da420979c91b604 /nuttx/arch/arm/src/kinetis/kinetis_config.h | |
| parent | 981c97bce640f4f0ef7484c4d3acafad25a79614 (diff) | |
| download | px4-nuttx-5435b6d5327bc257c9ee1df956e66c74df82bcc8.tar.gz px4-nuttx-5435b6d5327bc257c9ee1df956e66c74df82bcc8.tar.bz2 px4-nuttx-5435b6d5327bc257c9ee1df956e66c74df82bcc8.zip | |
Finishes very basic Kinetis port
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3882 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/arch/arm/src/kinetis/kinetis_config.h')
| -rw-r--r-- | nuttx/arch/arm/src/kinetis/kinetis_config.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/nuttx/arch/arm/src/kinetis/kinetis_config.h b/nuttx/arch/arm/src/kinetis/kinetis_config.h index bad3fbf3c..229455f9e 100644 --- a/nuttx/arch/arm/src/kinetis/kinetis_config.h +++ b/nuttx/arch/arm/src/kinetis/kinetis_config.h @@ -149,6 +149,41 @@ # undef CONFIG_UART4_FLOWCONTROL
# undef CONFIG_UART5_FLOWCONTROL
+/* UART FIFO support is not fully implemented.
+ *
+ * NOTE: UART0 has an 8-byte deep FIFO; the other UARTs have no FIFOs
+ * (1-deep). There appears to be no way to know when the FIFO is not
+ * full (other than reading the FIFO length and comparing the FIFO count).
+ * Hence, the FIFOs are not used in this implementation and, as a result
+ * TDRE indeed mean that the single output buffer is available.
+ *
+ * Performance on UART0 could be improved by enabling the FIFO and by
+ * redesigning all of the FIFO status logic.
+ */
+
+#undef CONFIG_KINETIS_UARTFIFOS
+
+/* Default Priorities */
+
+#ifndef CONFIG_KINETIS_UART0PRIO
+# define CONFIG_KINETIS_UART1PRIO NVIC_SYSH_PRIORITY_DEFAULT
+#endif
+#ifndef CONFIG_KINETIS_UART1PRIO
+# define CONFIG_KINETIS_UART2PRIO NVIC_SYSH_PRIORITY_DEFAULT
+#endif
+#ifndef CONFIG_KINETIS_UART2PRIO
+# define CONFIG_KINETIS_UART3PRIO NVIC_SYSH_PRIORITY_DEFAULT
+#endif
+#ifndef CONFIG_KINETIS_UART3PRIO
+# define CONFIG_KINETIS_UART4PRIO NVIC_SYSH_PRIORITY_DEFAULT
+#endif
+#ifndef CONFIG_KINETIS_UART4PRIO
+# define CONFIG_KINETIS_UART5PRIO NVIC_SYSH_PRIORITY_DEFAULT
+#endif
+#ifndef CONFIG_KINETIS_UART5PRIO
+# define CONFIG_KINETIS_UART6PRIO NVIC_SYSH_PRIORITY_DEFAULT
+#endif
+
/************************************************************************************
* Public Types
************************************************************************************/
|