added gitignore

.gitignore

@@ -0,0 +1,5 @@
+\lab2barnestr\lab2barnestr Debug.cfg
+\lab2barnestr\LinkerScript.ld
+\lab2barnestr\NUCLEO-F446RE.xml
+\lab2barnestr\.settings\**
+\.metadata

.metadata/.log

@@ -1760,3 +1760,35 @@ Caused by: java.lang.IllegalStateException: Expected BEGIN_OBJECT but was STRING
 
 !ENTRY org.eclipse.core.resources 4 372 2019-09-25 14:58:55.853
 !MESSAGE Resource '/lab1' is not open.
+
+!ENTRY fr.ac6.mcu.debug 4 5012 2019-09-28 19:15:18.266
+!MESSAGE Error in final launch sequence
+!STACK 1
+org.eclipse.core.runtime.CoreException: Failed to execute MI command:
+-target-select remote localhost:3333
+
+Error message from debugger back end:
+localhost:3333: The system tried to join a drive to a directory on a joined drive.
+	at org.eclipse.cdt.dsf.concurrent.Query.get(Query.java:111)
+	at fr.ac6.mcu.debug.launching.MCUGDBJtagDSFLaunchConfigurationDelegate.launchDebugSession(MCUGDBJtagDSFLaunchConfigurationDelegate.java:248)
+	at org.eclipse.cdt.dsf.gdb.launching.GdbLaunchDelegate.launchDebugger(GdbLaunchDelegate.java:101)
+	at org.eclipse.cdt.dsf.gdb.launching.GdbLaunchDelegate.launch(GdbLaunchDelegate.java:90)
+	at fr.ac6.mcu.debug.launching.MCUGDBJtagDSFLaunchConfigurationDelegate.launch(MCUGDBJtagDSFLaunchConfigurationDelegate.java:306)
+	at org.eclipse.debug.internal.core.LaunchConfiguration.launch(LaunchConfiguration.java:885)
+	at org.eclipse.debug.internal.core.LaunchConfiguration.launch(LaunchConfiguration.java:739)
+	at org.eclipse.debug.internal.ui.DebugUIPlugin.buildAndLaunch(DebugUIPlugin.java:1039)
+	at org.eclipse.debug.internal.ui.DebugUIPlugin$8.run(DebugUIPlugin.java:1256)
+	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
+Caused by: java.lang.Exception: localhost:3333: The system tried to join a drive to a directory on a joined drive.
+	at org.eclipse.cdt.dsf.mi.service.command.AbstractMIControl$RxThread.processMIOutput(AbstractMIControl.java:941)
+	at org.eclipse.cdt.dsf.mi.service.command.AbstractMIControl$RxThread.run(AbstractMIControl.java:770)
+!SUBENTRY 1 org.eclipse.cdt.dsf.gdb 4 10004 2019-09-28 19:15:18.267
+!MESSAGE Failed to execute MI command:
+-target-select remote localhost:3333
+
+Error message from debugger back end:
+localhost:3333: The system tried to join a drive to a directory on a joined drive.
+!STACK 0
+java.lang.Exception: localhost:3333: The system tried to join a drive to a directory on a joined drive.
+	at org.eclipse.cdt.dsf.mi.service.command.AbstractMIControl$RxThread.processMIOutput(AbstractMIControl.java:941)
+	at org.eclipse.cdt.dsf.mi.service.command.AbstractMIControl$RxThread.run(AbstractMIControl.java:770)

.metadata/.plugins/org.eclipse.cdt.ui/global-build.log

@@ -226,3 +226,52 @@ make: Nothing to be done for 'all'.
 14:59:00 **** Incremental Build of configuration Debug for project lab2barnestr ****
 make all 
 make: Nothing to be done for 'all'.
+19:15:01 **** Incremental Build of configuration Debug for project lab2barnestr ****
+make all 
+Building file: ../src/main.s
+Invoking: MCU GCC Assembler
+C:\Users\barnestr\Documents\CE2801\workspace\lab2barnestr\Debug
+arm-none-eabi-as -mcpu=cortex-m4 -mthumb -mfloat-abi=hard -mfpu=fpv4-sp-d16 -g -o "src/main.o" "../src/main.s"
+Finished building: ../src/main.s
+ 
+Building target: lab2barnestr.elf
+Invoking: MCU GCC Linker
+arm-none-eabi-gcc -mcpu=cortex-m4 -mthumb -mfloat-abi=hard -mfpu=fpv4-sp-d16 -T"C:\Users\barnestr\Documents\CE2801\workspace\lab2barnestr\LinkerScript.ld" -Wl,-Map=output.map -Wl,--gc-sections -o "lab2barnestr.elf" @"objects.list"   -lm
+Finished building target: lab2barnestr.elf
+ 
+make --no-print-directory post-build
+Generating binary and Printing size information:
+arm-none-eabi-objcopy -O binary "lab2barnestr.elf" "lab2barnestr.bin"
+arm-none-eabi-size "lab2barnestr.elf"
+   text	   data	    bss	    dec	    hex	filename
+   1064	   1080	   1092	   3236	    ca4	lab2barnestr.elf
+ 
+19:15:34 **** Incremental Build of configuration Debug for project lab2barnestr ****
+make all 
+make: Nothing to be done for 'all'.
+19:17:12 **** Incremental Build of configuration Debug for project lab2barnestr ****
+make all 
+make: Nothing to be done for 'all'.
+19:21:27 **** Incremental Build of configuration Debug for project lab2barnestr ****
+make all 
+make: Nothing to be done for 'all'.
+19:37:27 **** Incremental Build of configuration Debug for project lab2barnestr ****
+make all 
+Building file: ../src/main.s
+Invoking: MCU GCC Assembler
+C:\Users\barnestr\Documents\CE2801\workspace\lab2barnestr\Debug
+arm-none-eabi-as -mcpu=cortex-m4 -mthumb -mfloat-abi=hard -mfpu=fpv4-sp-d16 -g -o "src/main.o" "../src/main.s"
+Finished building: ../src/main.s
+ 
+Building target: lab2barnestr.elf
+Invoking: MCU GCC Linker
+arm-none-eabi-gcc -mcpu=cortex-m4 -mthumb -mfloat-abi=hard -mfpu=fpv4-sp-d16 -T"C:\Users\barnestr\Documents\CE2801\workspace\lab2barnestr\LinkerScript.ld" -Wl,-Map=output.map -Wl,--gc-sections -o "lab2barnestr.elf" @"objects.list"   -lm
+Finished building target: lab2barnestr.elf
+ 
+make --no-print-directory post-build
+Generating binary and Printing size information:
+arm-none-eabi-objcopy -O binary "lab2barnestr.elf" "lab2barnestr.bin"
+arm-none-eabi-size "lab2barnestr.elf"
+   text	   data	    bss	    dec	    hex	filename
+   1064	   1080	   1092	   3236	    ca4	lab2barnestr.elf
+ 

.metadata/.plugins/org.eclipse.cdt.ui/lab2barnestr.build.log

@@ -1,6 +1,23 @@
-14:59:00 **** Incremental Build of configuration Debug for project lab2barnestr ****
+19:37:27 **** Incremental Build of configuration Debug for project lab2barnestr ****
 make all 
-make: Nothing to be done for 'all'.
+Building file: ../src/main.s
+Invoking: MCU GCC Assembler
+C:\Users\barnestr\Documents\CE2801\workspace\lab2barnestr\Debug
+arm-none-eabi-as -mcpu=cortex-m4 -mthumb -mfloat-abi=hard -mfpu=fpv4-sp-d16 -g -o "src/main.o" "../src/main.s"
+Finished building: ../src/main.s
  
-14:59:01 Build Finished (took 632ms)
+Building target: lab2barnestr.elf
+Invoking: MCU GCC Linker
+arm-none-eabi-gcc -mcpu=cortex-m4 -mthumb -mfloat-abi=hard -mfpu=fpv4-sp-d16 -T"C:\Users\barnestr\Documents\CE2801\workspace\lab2barnestr\LinkerScript.ld" -Wl,-Map=output.map -Wl,--gc-sections -o "lab2barnestr.elf" @"objects.list"   -lm
+Finished building target: lab2barnestr.elf
+ 
+make --no-print-directory post-build
+Generating binary and Printing size information:
+arm-none-eabi-objcopy -O binary "lab2barnestr.elf" "lab2barnestr.bin"
+arm-none-eabi-size "lab2barnestr.elf"
+   text	   data	    bss	    dec	    hex	filename
+   1064	   1080	   1092	   3236	    ca4	lab2barnestr.elf
+ 
+
+19:37:28 Build Finished (took 966ms)
 

.metadata/.plugins/org.eclipse.core.runtime/.settings/org.eclipse.debug.ui.prefs

@@ -1,7 +1,7 @@
 eclipse.preferences.version=1
 org.eclipse.debug.ui.MemoryView.orientation=0
 org.eclipse.debug.ui.PREF_LAUNCH_PERSPECTIVES=<?xml version\="1.0" encoding\="UTF-8" standalone\="no"?>\r\n<launchPerspectives/>\r\n
-org.eclipse.debug.ui.user_view_bindings=<?xml version\="1.0" encoding\="UTF-8" standalone\="no"?>\r\n<viewBindings>\r\n<view id\="org.eclipse.debug.ui.VariableView">\r\n<perspective id\="org.eclipse.debug.ui.DebugPerspective" userAction\="closed"/>\r\n</view>\r\n<view id\="org.eclipse.debug.ui.DebugView">\r\n<perspective id\="org.eclipse.debug.ui.DebugPerspective" userAction\="closed"/>\r\n</view>\r\n<view id\="org.eclipse.debug.ui.BreakpointView">\r\n<perspective id\="org.eclipse.debug.ui.DebugPerspective" userAction\="closed"/>\r\n</view>\r\n<view id\="org.eclipse.ui.console.ConsoleView">\r\n<perspective id\="org.eclipse.debug.ui.DebugPerspective" userAction\="closed"/>\r\n</view>\r\n</viewBindings>\r\n
+org.eclipse.debug.ui.user_view_bindings=<?xml version\="1.0" encoding\="UTF-8" standalone\="no"?>\r\n<viewBindings>\r\n<view id\="org.eclipse.debug.ui.VariableView">\r\n<perspective id\="org.eclipse.debug.ui.DebugPerspective" userAction\="closed"/>\r\n</view>\r\n<view id\="org.eclipse.debug.ui.DebugView">\r\n<perspective id\="org.eclipse.debug.ui.DebugPerspective" userAction\="closed"/>\r\n</view>\r\n<view id\="org.eclipse.debug.ui.BreakpointView">\r\n<perspective id\="org.eclipse.debug.ui.DebugPerspective" userAction\="opened"/>\r\n</view>\r\n<view id\="org.eclipse.ui.console.ConsoleView">\r\n<perspective id\="org.eclipse.debug.ui.DebugPerspective" userAction\="closed"/>\r\n</view>\r\n</viewBindings>\r\n
 pref_state_memento.org.eclipse.debug.ui.DebugVieworg.eclipse.debug.ui.DebugView=<?xml version\="1.0" encoding\="UTF-8"?>\r\n<DebugViewMemento org.eclipse.debug.ui.BREADCRUMB_DROPDOWN_AUTO_EXPAND\="false"/>
 preferredDetailPanes=DefaultDetailPane\:DefaultDetailPane|
 preferredTargets=org.eclipse.cdt.debug.ui.toggleCBreakpointTarget,org.eclipse.cdt.debug.ui.toggleCDynamicPrintfTarget\:org.eclipse.cdt.debug.ui.toggleCBreakpointTarget|

lab2barnestr/src/main.s

@@ -14,8 +14,12 @@
 
     # Base RCC
     .equ RCC_BASE, 0x40023800
+    # GPIOB Enable Register
     .equ RCC_AHB1ENR, 0x30
+    # GPIOB Enable
     .equ RCC_GPIOBEN, 1<<1
+    # Bit Set Reset Register
+    .equ GPIOx_BSRR, 0x18
 
     .equ GPIOB_BASE, 0x40020400
     # GPIO Mode Register
@@ -61,7 +65,7 @@ turn_on:
     # Wait
     bl delay
     
-    # Turn of all lights
+    # Turn off all lights
     ldr r2, [r1, #GPIO_ODR]
     movw r3, #0xF7E0
     orr r2, r2, r3