From 4fd7019fd33b74db470676a34ea15c9472794c9b Mon Sep 17 00:00:00 2001
From: Uttam Ambappa Bhavimani <ee24mt029@iitdh.ac.in>
Date: Fri, 20 Sep 2024 20:21:11 +0530
Subject: [PATCH] Add Delay Function

---
 main.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/main.c b/main.c
index 02ec3b3..9ec13b9 100644
--- a/main.c
+++ b/main.c
@@ -29,3 +29,12 @@ void systick_setting(void)                      // SYSTICK SETUP FUNCTION
     STCTRL |= (1 << 0) | (1 << 2);              // Enable SysTick with system clock
     STCURRENT = 0;                               // Clear current 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
+}