diff --git a/left/build/kds/.cproject b/left/build/kds/.cproject
index 3449a23..907e357 100644
--- a/left/build/kds/.cproject
+++ b/left/build/kds/.cproject
@@ -288,7 +288,7 @@
 								<option id="ilg.gnuarmeclipse.managedbuild.cross.option.cpp.linker.cref.2232183349" name="Cross reference (-Xlinker --cref)" superClass="ilg.gnuarmeclipse.managedbuild.cross.option.cpp.linker.cref" value="false" valueType="boolean"/>
 								<option id="ilg.gnuarmeclipse.managedbuild.cross.option.cpp.linker.printgcsections.3012895541" name="Print removed sections (-Xlinker --print-gc-sections)" superClass="ilg.gnuarmeclipse.managedbuild.cross.option.cpp.linker.printgcsections" value="false" valueType="boolean"/>
 								<option id="ilg.gnuarmeclipse.managedbuild.cross.option.cpp.linker.strip.8142494542" name="Omit all symbol information (-s)" superClass="ilg.gnuarmeclipse.managedbuild.cross.option.cpp.linker.strip" value="false" valueType="boolean"/>
-								<option id="ilg.gnuarmeclipse.managedbuild.cross.option.cpp.linker.other.1261986804" name="Other linker flags" superClass="ilg.gnuarmeclipse.managedbuild.cross.option.cpp.linker.other" value="-mapcs  -Xlinker -static  -Xlinker -z  -Xlinker muldefs" valueType="string"/>
+								<option id="ilg.gnuarmeclipse.managedbuild.cross.option.cpp.linker.other.1261986804" name="Other linker flags" superClass="ilg.gnuarmeclipse.managedbuild.cross.option.cpp.linker.other" value="-mapcs  -Xlinker -static  -Xlinker -z  -Xlinker muldefs -specs=rdimon.specs" valueType="string"/>
 								<inputType id="ilg.gnuarmeclipse.managedbuild.cross.tool.cpp.linker.input.1924084905" superClass="ilg.gnuarmeclipse.managedbuild.cross.tool.cpp.linker.input">
 									<additionalInput kind="additionalinputdependency" paths="$(USER_OBJS)"/>
 									<additionalInput kind="additionalinput" paths="$(LIBS)"/>
@@ -656,11 +656,11 @@
 		<configuration configurationName="v7-debug-srec">
 			<resource resourceType="PROJECT" workspacePath="/uhk-left"/>
 		</configuration>
+		<configuration configurationName="v7-debug"/>
 		<configuration configurationName="release">
 			<resource resourceType="PROJECT" workspacePath="/uhk-left"/>
 		</configuration>
 		<configuration configurationName="v6-release"/>
-		<configuration configurationName="v7-debug"/>
 		<configuration configurationName="uhk-left-release">
 			<resource resourceType="PROJECT" workspacePath="/uhk-left"/>
 		</configuration>
diff --git a/left/src/main.c b/left/src/main.c
index 000976c..9f03baf 100644
--- a/left/src/main.c
+++ b/left/src/main.c
@@ -34,7 +34,7 @@ int main(void)
     InitClock();
     InitPeripherals();
     KeyMatrix_Init(&keyMatrix);
-
+    printf("Hello from semihosting!");
 #if ALWAYS_ENTER_BOOTLOADER
     JumpToBootloader(); /* << EST: \todo Temporary only */
 #endif
diff --git a/shared/slave_protocol.h b/shared/slave_protocol.h
index 325a2f5..9a8a238 100644
--- a/shared/slave_protocol.h
+++ b/shared/slave_protocol.h
@@ -8,7 +8,7 @@
 // Macros:
 
     #define I2C_MESSAGE_HEADER_LENGTH 3
-    #define I2C_MESSAGE_MAX_PAYLOAD_LENGTH 255
+    #define I2C_MESSAGE_MAX_PAYLOAD_LENGTH 64
     #define I2C_MESSAGE_MAX_TOTAL_LENGTH (I2C_MESSAGE_HEADER_LENGTH + I2C_MESSAGE_MAX_PAYLOAD_LENGTH)
 
     #define SLAVE_SYNC_STRING "SYNC"