class done

lab7interrupts/Src/main.s

@@ -0,0 +1,67 @@
+# main.s
+# Trevor Barnes
+# CE2801-031
+
+.syntax unified
+.cpu cortex-m4
+.thumb
+.section .text
+
+.global main
+main:
+
+	bl lcdInit
+	bl KeyInit
+	bl timerInit
+
+	# Round count
+	mov r6, #0
+mainLoop:
+
+	add r6, #1
+	beq showFastest
+
+	# Start timer
+
+	# Prompt user to push button to start (for random seed)
+
+	# Store random hex value
+
+	# Count down on lcd
+
+	# Print random hex value
+
+	# Start Timer
+
+	# Wait for button push interrupt
+
+	# Compare time with previous time, if faster than store it
+
+
+	b mainLoop
+
+showFastest:
+
+	# Load fastTime
+
+	# Print the fastest time on LCD
+
+	# Wait for button push back to go back to reset round counter and branch back to mainLoop
+
+	mov r6, #0
+
+
+.global EXTI_BUTTON_PUSH
+
+.thumb_func
+EXTI_BUTTON_PUSH:
+
+	# Compare button pushed value and stored random
+
+	# If they are equal, stop timer else branch past
+
+	bx lr
+
+.section .data
+fastTime:
+	.word 0