- add ceedling/cmock/unity as testing framework and support

- unified makefile project for the whole repos
- new separate project for tests

tests/vendor/ceedling/vendor/c_exception/lib/CException.c

@@ -0,0 +1,43 @@
+#include "CException.h"
+
+volatile CEXCEPTION_FRAME_T CExceptionFrames[CEXCEPTION_NUM_ID] = { 0 };
+
+//------------------------------------------------------------------------------------------
+//  Throw
+//------------------------------------------------------------------------------------------
+void Throw(CEXCEPTION_T ExceptionID)
+{
+    unsigned int MY_ID = CEXCEPTION_GET_ID;
+    CExceptionFrames[MY_ID].Exception = ExceptionID;
+    if (CExceptionFrames[MY_ID].pFrame)
+    {
+        longjmp(*CExceptionFrames[MY_ID].pFrame, 1);
+    }
+    CEXCEPTION_NO_CATCH_HANDLER(MY_ID);
+}
+
+//------------------------------------------------------------------------------------------
+//  Explanation of what it's all for:
+//------------------------------------------------------------------------------------------
+/*
+#define Try                                                         
+    {                                                                   <- give us some local scope.  most compilers are happy with this
+        jmp_buf *PrevFrame, NewFrame;                                   <- prev frame points to the last try block's frame.  new frame gets created on stack for this Try block
+        unsigned int MY_ID = CEXCEPTION_GET_ID;                         <- look up this task's id for use in frame array.  always 0 if single-tasking
+        PrevFrame = CExceptionFrames[CEXCEPTION_GET_ID].pFrame;         <- set pointer to point at old frame (which array is currently pointing at)
+        CExceptionFrames[MY_ID].pFrame = &NewFrame;                     <- set array to point at my new frame instead, now
+        CExceptionFrames[MY_ID].Exception = CEXCEPTION_NONE;            <- initialize my exception id to be NONE
+        if (setjmp(NewFrame) == 0) {                                    <- do setjmp.  it returns 1 if longjump called, otherwise 0
+            if (&PrevFrame)                                             <- this is here to force proper scoping.  it requires braces or a single line to be but after Try, otherwise won't compile.  This is always true at this point.
+
+#define Catch(e)                                                    
+            else { }                                                    <- this also forces proper scoping.  Without this they could stick their own 'else' in and it would get ugly
+            CExceptionFrames[MY_ID].Exception = CEXCEPTION_NONE;        <- no errors happened, so just set the exception id to NONE (in case it was corrupted)
+        }                                                           
+        else                                                            <- an exception occurred
+        { e = CExceptionFrames[MY_ID].Exception; e=e;}                  <- assign the caught exception id to the variable passed in.  
+        CExceptionFrames[MY_ID].pFrame = PrevFrame;                     <- make the pointer in the array point at the previous frame again, as if NewFrame never existed.
+    }                                                                   <- finish off that local scope we created to have our own variables
+    if (CExceptionFrames[CEXCEPTION_GET_ID].Exception != CEXCEPTION_NONE)  <- start the actual 'catch' processing if we have an exception id saved away
+ */
+

tests/vendor/ceedling/vendor/c_exception/lib/CException.h

@@ -0,0 +1,86 @@
+#ifndef _CEXCEPTION_H
+#define _CEXCEPTION_H
+
+#include <setjmp.h>
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+
+//To Use CException, you have a number of options:
+//1. Just include it and run with the defaults
+//2. Define any of the following symbols at the command line to override them
+//3. Include a header file before CException.h everywhere which defines any of these
+//4. Create an Exception.h in your path, and just define EXCEPTION_USE_CONFIG_FILE first
+
+#ifdef CEXCEPTION_USE_CONFIG_FILE
+#include "CExceptionConfig.h"
+#endif
+
+//This is the value to assign when there isn't an exception
+#ifndef CEXCEPTION_NONE
+#define CEXCEPTION_NONE      (0x5A5A5A5A)
+#endif
+
+//This is number of exception stacks to keep track of (one per task)
+#ifndef CEXCEPTION_NUM_ID
+#define CEXCEPTION_NUM_ID    (1) //there is only the one stack by default
+#endif
+
+//This is the method of getting the current exception stack index (0 if only one stack)
+#ifndef CEXCEPTION_GET_ID
+#define CEXCEPTION_GET_ID    (0) //use the first index always because there is only one anyway
+#endif
+
+//The type to use to store the exception values.
+#ifndef CEXCEPTION_T
+#define CEXCEPTION_T         unsigned int
+#endif
+
+//This is an optional special handler for when there is no global Catch
+#ifndef CEXCEPTION_NO_CATCH_HANDLER
+#define CEXCEPTION_NO_CATCH_HANDLER(id)
+#endif
+
+//exception frame structures
+typedef struct {
+  jmp_buf* pFrame;
+  CEXCEPTION_T volatile Exception;
+} CEXCEPTION_FRAME_T;
+
+//actual root frame storage (only one if single-tasking)
+extern volatile CEXCEPTION_FRAME_T CExceptionFrames[];
+
+//Try (see C file for explanation)
+#define Try                                                         \
+    {                                                               \
+        jmp_buf *PrevFrame, NewFrame;                               \
+        unsigned int MY_ID = CEXCEPTION_GET_ID;                     \
+        PrevFrame = CExceptionFrames[CEXCEPTION_GET_ID].pFrame;     \
+        CExceptionFrames[MY_ID].pFrame = (jmp_buf*)(&NewFrame);     \
+        CExceptionFrames[MY_ID].Exception = CEXCEPTION_NONE;        \
+        if (setjmp(NewFrame) == 0) {                                \
+            if (&PrevFrame) 
+
+//Catch (see C file for explanation)
+#define Catch(e)                                                    \
+            else { }                                                \
+            CExceptionFrames[MY_ID].Exception = CEXCEPTION_NONE;    \
+        }                                                           \
+        else                                                        \
+        { e = CExceptionFrames[MY_ID].Exception; e=e; }             \
+        CExceptionFrames[MY_ID].pFrame = PrevFrame;                 \
+    }                                                               \
+    if (CExceptionFrames[CEXCEPTION_GET_ID].Exception != CEXCEPTION_NONE)
+
+//Throw an Error
+void Throw(CEXCEPTION_T ExceptionID);
+
+#ifdef __cplusplus
+}   // extern "C"
+#endif
+
+
+#endif // _CEXCEPTION_H

tests/vendor/ceedling/vendor/c_exception/release/build.info

@@ -0,0 +1,2 @@
+16
+

tests/vendor/ceedling/vendor/c_exception/release/version.info

@@ -0,0 +1,2 @@
+1.2
+