From 3304d132238d873190f57391bdda0142e4a4a327 Mon Sep 17 00:00:00 2001
From: Uttam Bhavimani Bhavimani <ee24mt029@iitdh.ac.in>
Date: Sun, 22 Sep 2024 19:41:56 +0530
Subject: [PATCH] Update Group21_Lab06_Task1/main.c

Add Delay Function
---
 Group21_Lab06_Task1/main.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/Group21_Lab06_Task1/main.c b/Group21_Lab06_Task1/main.c
index e4adfd9..42c2771 100644
--- a/Group21_Lab06_Task1/main.c
+++ b/Group21_Lab06_Task1/main.c
@@ -39,3 +39,12 @@ void systick_setting(void)
     STCTRL  |= (CLKINT | ENABLE | INTEN);                       // Set internal clock, enable the timer
     STCURRENT = 0;                                              // Clear STCURRENT value
 }
+
+void delay(int us)                              // DEFINING DELAY FUNCTION
+{
+    STRELOAD = SYSTICK_RELOAD_VALUE(us);        // RELOAD VALUE FOR REQUIRED DELAY
+    STCURRENT = 0;                              // Clear STCURRENT
+    STCTRL |= (1 << 0) | (1 << 2);              // Enable SysTick
+    while ((STCTRL & (1 << 16)) == 0);          // Wait until flag is set
+    STCTRL &= 0x0;                              // Stop the timer
+}