ARDUINO MEGA Functions Miscellaneous - Revision history

Bfeher at 20:52, 11 May 2012

2012-05-11T20:52:58Z

Bfeher at 20:37, 11 May 2012

2012-05-11T20:37:52Z

Bfeher at 20:37, 11 May 2012

2012-05-11T20:37:05Z

Bfeher: /* memmove */

2012-05-10T19:41:39Z

memmove

Tfriez: /* memset */

2012-05-10T01:37:43Z

memset

Tfriez: /* memcmp */

2012-05-10T01:35:14Z

memcmp

Tfriez: /* memcmp */

2012-05-10T01:34:32Z

memcmp

Tfriez: /* memcmp */

2012-05-10T01:26:55Z

memcmp

Tfriez: /* memcpy */

2012-05-10T01:18:38Z

memcpy

Tfriez at 01:11, 10 May 2012

2012-05-10T01:11:00Z

@@ Line 1: / Line 1: @@
 {{DISPLAYTITLE:2560 (MEGA) Miscellaneous Functions}}
-<yambe:breadcrumb self="2560 (MEGA) Miscellaneous Functions">ARDUINO_MEGA_Functions_and_Variables|Functions and Variables</yambe:breadcrumb>
+<yambe:breadcrumb self="2560 (MEGA) Miscellaneous">ARDUINO_MEGA_Functions_and_Variables|Functions and Variables</yambe:breadcrumb>
 <br />

@@ Line 1: / Line 1: @@
 {{DISPLAYTITLE:2560 (MEGA) Miscellaneous Functions}}
-<yambe:breadcrumb self=2560 (MEGA) Miscellaneous Functions>ARDUINO_MEGA_Functions_and_Variables|Functions and Variables</yambe:breadcrumb>
+<yambe:breadcrumb self="2560 (MEGA) Miscellaneous Functions">ARDUINO_MEGA_Functions_and_Variables|Functions and Variables</yambe:breadcrumb>
 <br />

← Older revision		Revision as of 20:37, 11 May 2012
Line 1:		Line 1:
−	<yambe:breadcrumb>ARDUINO_MEGA_Functions_and_Variables\|Functions and Variables</yambe:breadcrumb>	+	{{DISPLAYTITLE:2560 (MEGA) Miscellaneous Functions}}
		+	<yambe:breadcrumb self=2560 (MEGA) Miscellaneous Functions>ARDUINO_MEGA_Functions_and_Variables\|Functions and Variables</yambe:breadcrumb>
	<br />		<br />

@@ Line 162: / Line 162: @@
    |-
    |<syntaxhighlight lang="robotc">
-  NEED EXAMPLE
+task main()
 </syntaxhighlight>
    |-

@@ Line 129: / Line 129: @@
 <br />
-== memset ==
+== memmove ==
 {| style="color:black;" width="100%" cellpadding="5%" cellspacing="0" border="0"
 |-
-| class="functionType"| <span class="bigKeywordBI">void </span><span class="bigKeywordB">memset</span><span class="bigCodePunc">(</span><span class="bigKeywordBI">void </span><span class="bigCodeBasic">&pToBuffer</span><span class="bigCodePunc">, </span><span class="bigKeywordBI">const short </span><span class="bigCodeBasic">nValue</span><span class="bigCodePunc">, </span><span class="bigKeywordBI">const short </span><span class="bigCodeBasic">nNumbOfBytes</span><span class="bigCodePunc">)</span>
+| class="functionType"| <span class="bigKeywordBI">void </span><span class="bigKeywordB">memmove</span><span class="bigCodePunc">(</span><span class="bigKeywordBI">void </span><span class="bigCodeBasic">&pToBuffer</span><span class="bigCodePunc">, </span><span class="bigKeywordBI">const void </span><span class="bigCodeBasic">&pFromBuffer</span><span class="bigCodePunc">, </span><span class="bigKeywordBI">const short </span><span class="bigCodeBasic">nNumbOfBytes</span><span class="bigCodePunc">)</span>
 |-
-| style="font-family:Verdana, Geneva, sans-serif; color:black; background-color:#FFFFFF; text-align:left; font-size:100%;"|([[Data_Types#dataType_void|void]])  Sets a block of memory at <span class="codeBasic">pToBuffer</span> to the value <span class="codeBasic">nValue</span>. <span class="codeBasic">nNumbOfBytes</span> is the number of bytes to set. This is a useful function for initializing the value of an array to all zeros. Identical to the function found in conventional C 'string.h' library.
+| style="font-family:Verdana, Geneva, sans-serif; color:black; background-color:#FFFFFF; text-align:left; font-size:100%;"|([[Data_Types#dataType_void|void]])  Function copies characters from <span class="codeBasic">pFromBuffer</span> to <span class="codeBasic">pToBuffer</span>. <span class="codeBasic">nBytesToCopy</span> is the number of bytes to copy. Identical to the function found in conventional C 'string.h' library.
 |-
+|
@@ Line 143: / Line 145: @@
    |-
    | style="border-style: solid; border-width: 1px 0px 1px 0px"|''pToBuffer''
-   | style="border-style: solid; border-width: 1px 0px 1px 0px"|buffer to set
+   | style="border-style: solid; border-width: 1px 0px 1px 0px"|buffer to copy to
    | style="border-style: solid; border-width: 1px 0px 1px 0px"|[[Data_Types#dataType_void|void]]
    |-
-   | style="border-style: solid; border-width: 0px 0px 1px 0px"|''nValue''
+   | style="border-style: solid; border-width: 0px 0px 1px 0px"|''pFromBuffer''
-   | style="border-style: solid; border-width: 0px 0px 1px 0px"|value to set buffer to
+   | style="border-style: solid; border-width: 0px 0px 1px 0px"|buffer to copy from
-   | style="border-style: solid; border-width: 0px 0px 1px 0px"|[[Data_Types#dataType_short|short]]
+   | style="border-style: solid; border-width: 0px 0px 1px 0px"|[[Data_Types#dataType_void|void]]
    |-
    | style="border-style: solid; border-width: 0px 0px 0px 0px"|''nNumbOfBytes''
-   | style="border-style: solid; border-width: 0px 0px 0px 0px"|number of bytes to set
+   | style="border-style: solid; border-width: 0px 0px 0px 0px"|number of bytes to copy
    | style="border-style: solid; border-width: 0px 0px 0px 0px"|[[Data_Types#dataType_short|short]]
    |-
@@ Line 160: / Line 162: @@
    |-
    |<syntaxhighlight lang="robotc">
-int kSendSize = 1;                                   // we will be sending 1 byte
+  NEED EXAMPLE
-ubyte BytesToSend[kSendSize];                        // create a ubyte array of size 1
-short nMsgXmit = 0;                                  // we will be setting them to 0
-memset(BytesToSend, nMsgXmit, sizeof(BytesToSend));  // set the Byte Array to 0
 </syntaxhighlight>
    |-

@@ Line 91: / Line 91: @@
 {| style="color:black;" width="100%" cellpadding="5%" cellspacing="0" border="0"
 |-
-| class="functionType"| <span class="bigKeywordBI">intrinsic short </span><span class="bigKeywordB">memcmp</span><span class="bigCodePunc">(</span><span class="bigKeywordBI">void </span><span class="bigCodeBasic">&pToBuffer</span><span class="bigCodePunc">, </span><span class="bigKeywordBI">const short</span><span class="bigCodeBasic">nValue</span><span class="bigCodePunc">, </span><span class="bigKeywordBI">const short </span><span class="bigCodeBasic">nNumbOfBytes</span><span class="bigCodePunc">)</span>
+| class="functionType"| <span class="bigKeywordBI">intrinsic short </span><span class="bigKeywordB">memcmp</span><span class="bigCodePunc">(</span><span class="bigKeywordBI">void </span><span class="bigCodeBasic">&pToBuffer</span><span class="bigCodePunc">, </span><span class="bigKeywordBI">void </span><span class="bigCodeBasic">&pFromBuffer</span><span class="bigCodePunc">, </span><span class="bigKeywordBI">const short </span><span class="bigCodeBasic">nNumbOfBytes</span><span class="bigCodePunc">)</span>
 |-
 | style="font-family:Verdana, Geneva, sans-serif; color:black; background-color:#FFFFFF; text-align:left; font-size:100%;"|([[Data_Types#dataType_void|void]]) Compares the first set bytes of the block of memory referenced by "pToBuffer" to the first number of bytes referenced by "pFromBuffer". The function will return zero if they all match or a value different from zero representing which is greater if they do not.

@@ Line 119: / Line 119: @@
    |-
    |<syntaxhighlight lang="robotc">
-string sTemp = "ROBOTC";               // create a string, 'sTemp' to be "ROBOTC"
+  char temp1[5] = {'A', 'B', 'C', 'D', 'E'};  //Create an Array
-char sArray[20];                       // create a char array, 'sArray' of size 20
+  short result = 0;                           //Variable to store result
-memcpy(sArray, sTemp, sizeof(sTemp));  // copy characters from 'sTemp' to 'sArray'
+  result = memcmp(temp1[0], temp1[2], 2);     //Perform the memory compare
 </syntaxhighlight>
    |-

@@ Line 88: / Line 88: @@
 <br />
-== memcpy ==
+== memcmp ==
 {| style="color:black;" width="100%" cellpadding="5%" cellspacing="0" border="0"
 |-
-| class="functionType"| <span class="bigKeywordBI">void </span><span class="bigKeywordB">memcpy</span><span class="bigCodePunc">(</span><span class="bigKeywordBI">void </span><span class="bigCodeBasic">&pToBuffer</span><span class="bigCodePunc">, </span><span class="bigKeywordBI">const void </span><span class="bigCodeBasic">&pFromBuffer</span><span class="bigCodePunc">, </span><span class="bigKeywordBI">const short </span><span class="bigCodeBasic">nNumbOfBytes</span><span class="bigCodePunc">)</span>
+| class="functionType"| <span class="bigKeywordBI">intrinsic short </span><span class="bigKeywordB">memcmp</span><span class="bigCodePunc">(</span><span class="bigKeywordBI">void </span><span class="bigCodeBasic">&pToBuffer</span><span class="bigCodePunc">, </span><span class="bigKeywordBI">const short</span><span class="bigCodeBasic">nValue</span><span class="bigCodePunc">, </span><span class="bigKeywordBI">const short </span><span class="bigCodeBasic">nNumbOfBytes</span><span class="bigCodePunc">)</span>
 |-
-| style="font-family:Verdana, Geneva, sans-serif; color:black; background-color:#FFFFFF; text-align:left; font-size:100%;"|([[Data_Types#dataType_void|void]])  Function copies characters from <span class="codeBasic">pFromBuffer</span> to <span class="codeBasic">pToBuffer</span>. <span class="codeBasic">nBytesToCopy</span> is the number of bytes to copy. Identical to the function found in conventional C 'string.h' library.
+| style="font-family:Verdana, Geneva, sans-serif; color:black; background-color:#FFFFFF; text-align:left; font-size:100%;"|([[Data_Types#dataType_void|void]])  This function will compare
 |-
+|