oled printf

cube/User/Inc/oled.h

@@ -35,6 +35,6 @@ void oled_PrintLine(void);
 
 void oledClear();
 void oledPrint(char msg[]);
-
+void oledPrintf(const char *format, ...);
 
 #endif /* OLED_H_ */

cube/User/Src/oled.c

@@ -9,6 +9,8 @@
 
 #include <stdint.h>
 #include <string.h>
+#include <stdarg.h>
+#include <stdio.h>
 
 #include <oled.h>
 #include <oled-fonts.h>
@@ -561,4 +563,14 @@ void oledPrint(char msg[]) {
     lines[MAX_LINES - 1][MAX_CHARS - 1] = 0;
     oled_P6x8Str(1, MAX_LINES - 1, lines[MAX_LINES - 1]);
   }
-}
+}
+
+
+void oledPrintf(const char *format, ...) {
+    va_list vl;
+    va_start(vl, format);
+    char buf[MAX_CHARS+1];
+    vsnprintf(buf, MAX_CHARS, format, vl);
+    va_end(vl);
+    oledPrint(buf);
+}

cube/User/Src/wizHelper.c

@@ -77,7 +77,7 @@ static void wizDHCPAssign() {
     show(LED_GREEN, ON);
     coloredMsg(LOG_BLUE, false, "wizda, network is available");
 
-    oledPrint("Address available");
+    oledPrintf("Address: %d.%d.%d.%d", netInfo.ip[0], netInfo.ip[1], netInfo.ip[2], netInfo.ip[3]);
 }
 
 static void wizDHCPUpdate() {