diff --git a/Group21_Lab06_Task2/main.c b/Group21_Lab06_Task2/main.c
index c20d4ce..0c6c861 100644
--- a/Group21_Lab06_Task2/main.c
+++ b/Group21_Lab06_Task2/main.c
@@ -31,3 +31,9 @@ void GPIO_PORT_F_init(void) {
     GPIO_PORTF_IEV_R = 0x00; // Falling edge event
     GPIO_PORTF_IM_R |= 0x11; // Unmask interrupts for PF0 and PF4
 }
+
+void systick_setting(void) {
+    STRELOAD = SYSTICK_RELOAD_VALUE(PWM_PERIOD/100);            // Set reload value for 10 µs intervals (100 kHz)
+    STCTRL  |= (CLKINT | ENABLE | INTEN);                       // Set internal clock, enable the timer
+    STCURRENT = 0;                                              // Clear STCURRENT value
+}
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