modifies initcode and libwrap for new mnrs/ehrenberg vp

libwrap/sys/write.c

@@ -8,17 +8,16 @@
 #include "platform.h"
 #include "stub.h"
 #include "weak_under_alias.h"
-
 ssize_t __wrap_write(int fd, const void* ptr, size_t len)
 {
     const uint8_t * current = (const uint8_t *)ptr;
     if (isatty(fd)) {
         for (size_t jj = 0; jj < len; jj++) {
 #if defined(BOARD_ehrenberg)
-            while (uart_get_tx_free(uart)==0) ;
+            while (get_uart_rx_tx_reg_tx_free(uart)==0) ;
             uart_write(uart, current[jj]);
             if (current[jj] == '\n') {
-                while (uart_get_tx_free(uart)==0) ;
+                while (get_uart_rx_tx_reg_tx_free(uart)==0) ;
                 uart_write(uart, '\r');
             }
 #elif defined(BOARD_iss)