ADC bugfixes plus new DAC logic from Lzyy

git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@3913 7fd9a85b-ad96-42d3-883c-3090e2eb8679

1 files changed, 5 insertions, 5 deletions

diff --git a/nuttx/syscall/README.txt b/nuttx/syscall/README.txt
index 7c45207f86..7797c5781f 100644
--- a/nuttx/syscall/README.txt
+++ b/nuttx/syscall/README.txt
@@ -17,7 +17,7 @@ The syscall layer provided in this directory serves as the communication
 layer from the user-mode application into the kernel-mode RTOS.  The

 switch from user-mode to kernel-mode is accomplished using software

 interrupts (SWIs).  SWIs are implemented differently and named differently

-by different manufacters but all work essentially the same:  A special

+by different manufacturers but all work essentially the same:  A special

 instruction is executed in user-mode that causes a software generated

 interrupt.  The software generated interrrupt is caught within the kernel

 and handle in kernel-mode.

@@ -84,7 +84,7 @@ implemented as a simple comma-separated-value file, syscall.csv.  Most
 spreadsheets programs will accept this format and can be used to maintain

 the syscall database.

 

-The format of the CVS file for each line is:

+The format of the CSV file for each line is:

 

   Field 1: Function name

   Field 2: The header file that contains the function prototype

@@ -104,7 +104,7 @@ Each type field has a format as follows:
         A similar situation exists for unions.  For example, the formal
         parameter type union sigval -- You cannot cast a uintptr_t to
         a union sigval, but you can cast to the type of one of the union
-        member types when passing the actua paramter.  Similarly, we
+        member types when passing the actual paramter.  Similarly, we
         cannot cast a union sigval to a uinptr_t either.  Rather, we need
         to cast a specific union member fieldname to uintptr_t.

 

@@ -122,7 +122,7 @@ database.  Here the following definition is used:
 

   Stub  - Another tiny bit of code that executes within the NuttX kernel

           that is used to map a software interrupt received by the kernel to

-          a kernel function call. The stubs receive the marshalled system

+          a kernel function call. The stubs receive the marshaled system

           call data, and perform the actually kernel function call (in

           kernel-mode) on behalf of the proxy function.

 

@@ -140,4 +140,4 @@ mksyscall
   stubs and proxies is maintained in a comma separated value (CSV) file

   in the syscall/ directory.  The mksyscall program will accept this CVS

   file as input and generate all of the required proxy or stub files as

-  output.  See tools/README.txt for additonal information.

+  output.  See tools/README.txt for additional information.