removed dependency on sprintf which caused gcc to puke (shock and horror).

uses code from here:
http://groups.google.com/group/comp.lang.c/msg/66552ef8b04fe1ab?pli=1

git-svn-id: https://afrodevices.googlecode.com/svn/trunk/baseflight@119 7c89a4a9-59b9-e629-4cfe-3a2d53b20e61

baseflight.uvopt

@@ -161,21 +161,6 @@
         <Bp>
           <Number>0</Number>
           <Type>0</Type>
-          <LineNumber>309</LineNumber>
-          <EnabledFlag>1</EnabledFlag>
-          <Address>134218890</Address>
-          <ByteObject>0</ByteObject>
-          <ManyObjects>0</ManyObjects>
-          <SizeOfObject>0</SizeOfObject>
-          <BreakByAccess>0</BreakByAccess>
-          <BreakIfRCount>1</BreakIfRCount>
-          <Filename></Filename>
-          <ExecCommand></ExecCommand>
-          <Expression>\\baseflight\src/cli.c\309</Expression>
-        </Bp>
-        <Bp>
-          <Number>1</Number>
-          <Type>0</Type>
           <LineNumber>58</LineNumber>
           <EnabledFlag>1</EnabledFlag>
           <Address>134242932</Address>
@@ -188,21 +173,6 @@
           <ExecCommand></ExecCommand>
           <Expression>\\baseflight\src/drv_mpu6050.c\58</Expression>
         </Bp>
-        <Bp>
-          <Number>2</Number>
-          <Type>0</Type>
-          <LineNumber>316</LineNumber>
-          <EnabledFlag>1</EnabledFlag>
-          <Address>134218956</Address>
-          <ByteObject>0</ByteObject>
-          <ManyObjects>0</ManyObjects>
-          <SizeOfObject>0</SizeOfObject>
-          <BreakByAccess>0</BreakByAccess>
-          <BreakIfRCount>1</BreakIfRCount>
-          <Filename></Filename>
-          <ExecCommand></ExecCommand>
-          <Expression>\\baseflight\src/cli.c\316</Expression>
-        </Bp>
       </Breakpoint>
       <WatchWindow1>
         <Ww>
@@ -537,8 +507,8 @@
       <Focus>0</Focus>
       <ColumnNumber>0</ColumnNumber>
       <tvExpOptDlg>0</tvExpOptDlg>
-      <TopLine>296</TopLine>
-      <CurrentLine>314</CurrentLine>
+      <TopLine>1</TopLine>
+      <CurrentLine>1</CurrentLine>
       <bDave2>0</bDave2>
       <PathWithFileName>.\src\cli.c</PathWithFileName>
       <FilenameWithoutPath>cli.c</FilenameWithoutPath>
@@ -549,10 +519,10 @@
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
-      <ColumnNumber>0</ColumnNumber>
+      <ColumnNumber>31</ColumnNumber>
       <tvExpOptDlg>0</tvExpOptDlg>
-      <TopLine>91</TopLine>
-      <CurrentLine>120</CurrentLine>
+      <TopLine>1</TopLine>
+      <CurrentLine>11</CurrentLine>
       <bDave2>0</bDave2>
       <PathWithFileName>.\src\config.c</PathWithFileName>
       <FilenameWithoutPath>config.c</FilenameWithoutPath>
@@ -782,8 +752,8 @@
       <Focus>0</Focus>
       <ColumnNumber>22</ColumnNumber>
       <tvExpOptDlg>0</tvExpOptDlg>
-      <TopLine>85</TopLine>
-      <CurrentLine>111</CurrentLine>
+      <TopLine>34</TopLine>
+      <CurrentLine>46</CurrentLine>
       <bDave2>0</bDave2>
       <PathWithFileName>.\src\drv_system.c</PathWithFileName>
       <FilenameWithoutPath>drv_system.c</FilenameWithoutPath>

src/cli.c

@@ -86,6 +86,40 @@ const clivalue_t valueTable[] = {
 static void cliSetVar(const clivalue_t *var, const int32_t value);
 static void cliPrintVar(const clivalue_t *var);
 
+/*
+** The following two functions together make up an itoa()
+** implementation. Function i2a() is a 'private' function
+** called by the public itoa() function.
+**
+** itoa() takes three arguments:
+**        1) the integer to be converted,
+**        2) a pointer to a character conversion buffer,
+**        3) the radix for the conversion
+**           which can range between 2 and 36 inclusive
+**           range errors on the radix default it to base10
+** Code from http://groups.google.com/group/comp.lang.c/msg/66552ef8b04fe1ab?pli=1
+*/
+
+static char *i2a(unsigned i, char *a, unsigned r)
+{
+    if (i / r > 0) 
+        a = i2a(i / r, a, r);
+    *a = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"[i % r];
+    return a + 1;
+}
+
+char *itoa(int i, char *a, int r)
+{
+    if ((r < 2) || (r > 36))
+        r = 10;
+    if (i < 0) {
+        *a = '-';
+        *i2a(-(unsigned)i, a + 1, r) = 0;
+    } else 
+        *i2a(i, a, r) = 0;
+    return a;
+} 
+
 static void cliPrompt(void)
 {
     uartPrint("\r\n# ");
@@ -259,7 +293,7 @@ static void cliPrintVar(const clivalue_t *var)
             value = *(int16_t *)var->ptr;
             break;
     }
-    snprintf(buf, 16, "%d", value);
+    itoa(value, buf, 10);
     uartPrint(buf);
 }