From 13bb222dd5027de8909a2e00fc5df45a2cf049b9 Mon Sep 17 00:00:00 2001
From: aadit <aadit@noreply.localhost>
Date: Thu, 11 Sep 2025 12:54:19 +0530
Subject: [PATCH] Add ES/Lab/Lab8/JOHNSON_Up_Down_Separate_GPIO.c

---
 ES/Lab/Lab8/JOHNSON_Up_Down_Separate_GPIO.c | 45 +++++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 ES/Lab/Lab8/JOHNSON_Up_Down_Separate_GPIO.c

diff --git a/ES/Lab/Lab8/JOHNSON_Up_Down_Separate_GPIO.c b/ES/Lab/Lab8/JOHNSON_Up_Down_Separate_GPIO.c
new file mode 100644
index 0000000..45741de
--- /dev/null
+++ b/ES/Lab/Lab8/JOHNSON_Up_Down_Separate_GPIO.c
@@ -0,0 +1,45 @@
+#include <LPC17xx.h>
+
+int main(){
+	unsigned long x, y, i, j;
+	
+	// LEDs
+	LPC_PINCON->PINSEL0 = 0; 
+	LPC_GPIO0->FIODIR = 0xFF<<15; 
+	
+	LPC_GPIO2->FIODIR = 0x0<<12;
+	
+	while(1){
+		x = LPC_GPIO2->FIOPIN & (1 << 12); 
+		if(x){
+					y = 1<<22;
+					for(i=0;i<8;i++){
+					LPC_GPIO0->FIOSET=y; 
+					y = y>>1;
+					for(j=0; j<800000; j++);
+				}
+				y = 1<<22;
+				for(i=0;i<8;i++){
+					LPC_GPIO0->FIOCLR=y;
+					y>>=1;
+					for(j=0; j<800000; j++);
+				}
+		}
+		
+		if(!x){
+				y = 1<<15;
+				for(i=0;i<8;i++){
+					LPC_GPIO0->FIOSET=y; 
+					y = y<<1;
+					for(j=0; j<800000; j++);
+				}
+				y = 1<<15;
+				for(i=0;i<8;i++){
+					LPC_GPIO0->FIOCLR=y;
+					y = y<<1;
+					for(j=0; j<800000; j++);
+				}
+		}
+	}
+}
+