readline() (and hence NSH) now accept the DEL character as well as the Backspace character for the backspace functionality

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4428 42af7a65-404d-4744-a932-0658087f49c3

1 files changed, 21 insertions, 0 deletions

diff --git a/nuttx/configs/stm32f4discovery/README.txt b/nuttx/configs/stm32f4discovery/README.txt
index 70075220a..1048e54ac 100755
--- a/nuttx/configs/stm32f4discovery/README.txt
+++ b/nuttx/configs/stm32f4discovery/README.txt
@@ -711,6 +711,27 @@ Where <subdir> is one of the following:
 
     CONFIG_STM32_CODESOURCERYW=y  : CodeSourcery under Windows
 
+
+    If you use the Atollic toolchain, then the FPU test can be enabled in the
+    examples/ostest by adding the following your NuttX configuration file:
+
+     -CONFIG_ARCH_FPU=n             : Enabled the FPU
+     +CONFIG_ARCH_FPU=y
+
+     -CONFIG_STM32_CODESOURCERYW=y  : Disable CodeSourcery under Windows
+     +CONFIG_STM32_CODESOURCERYL=n
+
+     -CONFIG_STM32_ATOLLIC=y        : Enable the Atollic toolchain
+     +CONFIG_STM32_ATOLLIC=n
+
+     -CONFIG_SCHED_WAITPID=y         : Enable the waitpid() API needed by the FPU test
+     +CONFIG_SCHED_WAITPID=n
+
+    The FPU test also needs to know the size of the FPU registers save area in
+    bytes (see arch/arm/include/armv7-m/irq_lazyfpu.h):
+
+     -CONFIG_EXAMPLES_OSTEST_FPUSIZE=(4*33)
+ 
   nsh:
   ---
     Configures the NuttShell (nsh) located at apps/examples/nsh.  The