Update main.c

Add UART write function
2024-10-10 19:33:05 +05:30 · 2024-10-10 19:33:05 +05:30 · cd828e7048
parent 9a0ce204b3
commit cd828e7048
1 changed files with 6 additions and 0 deletions
--- a/main.c
+++ b/main.c
@ -17,3 +17,9 @@ 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 UART1_WRITE(char data)
+{
+    while (UART1_FR_R & 0x20);       // Wait until TX FIFO is not full
+    UART1_DR_R = data;               // Write data to UART data register
+}