Reverts unintended changes to readme.md and .gitattributes

Changes the max data size for each write to the minimum of
maximumWriteValueLengthForType: for type
CBCharacteristicWriteWithResponse or
CBCharacteristicWriteWithoutResponse.

Author: brantsilabs

.gitattributes

@@ -9,6 +9,8 @@
 *.m         text
 *.h         text
 *.pch       text
+*.a51       text
+*.A51       text
 *.SRC       text
 *.src       text
 *.ld        text
@@ -20,6 +22,15 @@ Makefile    text
 # Project files for various tools
 # Some are binary, some text, and some require CRLF
 
+.project    text eol=crlf
+.cproject   text eol=crlf
+*.slsproj   text eol=crlf
+*.hwconf    text eol=crlf
+*.uvopt     text eol=crlf
+*.uvproj    text eol=crlf
+*.wsp       text eol=crlf
+*.abp       text eol=crlf
+*.cwg       binary
 *.pbxproj   text eol=lf
 *.plist     text eol=lf
 *.xib       text eol=lf
@@ -50,3 +61,6 @@ Doxyfile.*  text
 *.class     binary
 *.jar       binary
 
+# treat hex files as binary so they just get replaced instead
+# of attempted merge
+*.hex       binary

README.md

@@ -3,7 +3,6 @@ README
 
 ![alt text](http://pages.silabs.com/rs/634-SLU-379/images/BGX-transparent-450x450.png)
 
-
 This is the repository for holding the source code for the Wireless Xpress 
 code bases, including Silicon Labs BGX13 mobile frameworks and applications, 
 and demos for AMW007 and BGX13.
@@ -14,9 +13,9 @@ https://www.silabs.com/products/wireless/bluetooth/xpress
 You can find more information about the AMW007 here
 https://www.silabs.com/products/wireless/wi-fi/xpress
 
-The official documentation is found here https://docs.silabs.com/bgx, or on
-Github at https://siliconlabs.github.io/wireless-xpress.  Documentation for 
-AMW007 can be found at https://docs.silabs.com/wgx.
+The official documentation for BGX13 is found at https://docs.silabs.com/gecko-os/1/bgx/latest/.
+
+Documentation for AMW007 can be found at https://docs.silabs.com/gecko-os/amw007-w00001/2.0/.
 
 The source code repository is on Github at
 https://github.com/SiliconLabs/wireless-xpress
@@ -38,4 +37,4 @@ Support
 -------
 
 Please use the [Silicon Labs Support Portal](https://www.silabs.com/support/)
-for all support requests.
+for all support requests.

iOS/BGXpress/bgxpress/BGXDevice.m

@@ -47,6 +47,9 @@ @implementation BGXDevice
 
     __weak NSTimer * rssiTimer;
     BOOL _acknowledgedWrites;
+    
+    
+    NSUInteger _dataWriteSize;
 }
 
 
@@ -71,6 +74,7 @@ - (id)initWithCBPeripheral:(CBPeripheral *)peripheralParam advertisementData:(NS
         _connectionTimer = nil;
         rssiTimer = nil;
         _acknowledgedWrites = YES;
+        _dataWriteSize = 0;
 
     }
     return self;
@@ -167,6 +171,7 @@ - (void)deviceDidDisconnect
     modeChar  = nil;
     firRevStrChar = nil;
     deviceUniqueIdenChar = nil;
+    _dataWriteSize = 0;
 }
 
 
@@ -234,6 +239,18 @@ - (BOOL) writeData:(NSData *) data
     {
         return NO;
     }
+    
+    if ( 0 == _dataWriteSize) {
+        NSUInteger writeWithout = [self.peripheral maximumWriteValueLengthForType: CBCharacteristicWriteWithoutResponse];
+        NSUInteger writeWith = [self.peripheral maximumWriteValueLengthForType: CBCharacteristicWriteWithResponse];
+        
+        if (writeWithout < writeWith) {
+            _dataWriteSize = writeWithout;
+        } else {
+            _dataWriteSize = writeWith;
+        }
+    }
+    
     dataToWrite = [NSData dataWithData:data];
     range.location = 0;
     [self writeChunkOfData];
@@ -243,12 +260,11 @@ - (BOOL) writeData:(NSData *) data
 
 - (void) writeChunkOfData
 {
-    NSUInteger amount2Write = [self.peripheral maximumWriteValueLengthForType:self.writeWithResponse ? CBCharacteristicWriteWithResponse : CBCharacteristicWriteWithoutResponse];
-    
+    NSAssert(0 != _dataWriteSize, @"Invalid write size");
     range.length = dataToWrite.length - range.location;
-    if (range.length > amount2Write)
+    if (range.length > _dataWriteSize)
     {
-        range.length = amount2Write;
+        range.length = _dataWriteSize;
     }
     [peripheral writeValue:[dataToWrite subdataWithRange:range] forCharacteristic:perRXchar type: self.writeWithResponse ? CBCharacteristicWriteWithResponse : CBCharacteristicWriteWithoutResponse];
     range.location += range.length;