♻️ update function names

Author: csrohit

uart-polling/Makefile

@@ -1,4 +1,4 @@
-TARGET := blink
+TARGET := uart
 # debug build?Release
 BUILD_TYPE = Debug
 BUILD_DIR:= build

uart-polling/src/uart.c

@@ -14,7 +14,7 @@ void USART1_puts(const char *ch)
 {
     while (*ch)
     {
-        putch(*ch);
+        USART1_putc(*ch);
         ch++;
     }
 }
@@ -24,6 +24,6 @@ void USART1_IRQHandler(void)
     if (USART1->SR & USART_SR_RXNE)
     {
         // this clears RXNE flag
-        putch(USART1->DR & 0xff);
+        USART1_putc(USART1->DR & 0xff);
     }
 }