From 57337fe941d7c75880e97185a289a6b3af4ffa39 Mon Sep 17 00:00:00 2001
From: iceman1001 <iceman@iuse.se>
Date: Sat, 31 Mar 2018 10:46:06 +0200
Subject: [PATCH] chg:  add some error messages in order to debug better.

---
 uart/uart_win32.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/uart/uart_win32.c b/uart/uart_win32.c
index 3156e10db..7be3a8fe9 100644
--- a/uart/uart_win32.c
+++ b/uart/uart_win32.c
@@ -62,9 +62,10 @@ serial_port uart_open(const char* pcPortName) {
 	char acPortName[255];
 	serial_port_windows* sp = malloc(sizeof(serial_port_windows));
 
-	if (sp == 0)
+	if (sp == 0) {
+		printf("[!] UART failed to allocate memory\n");
 		return INVALID_SERIAL_PORT;
-
+	}
 	// Copy the input "com?" to "\\.\COM?" format
 	sprintf(acPortName,"\\\\.\\%s", pcPortName);
 	_strupr(acPortName);
@@ -83,12 +84,14 @@ serial_port uart_open(const char* pcPortName) {
 	sp->dcb.DCBlength = sizeof(DCB);
 	if (!BuildCommDCBA("baud=115200 parity=N data=8 stop=1", &sp->dcb)) {
 		uart_close(sp);
+		printf("[!] UART error cdc setup\n");
 		return INVALID_SERIAL_PORT;
 	}
   
 	// Update the active serial port
 	if (!SetCommState(sp->hPort, &sp->dcb)) {
 		uart_close(sp);
+		printf("[!] UART error while setting com state\n");
 		return INVALID_SERIAL_PORT;
 	}
 	// all zero's configure: no timeout for read/write used.
@@ -101,6 +104,7 @@ serial_port uart_open(const char* pcPortName) {
   
 	if (!SetCommTimeouts(sp->hPort, &sp->ct)) {
 		uart_close(sp);
+		printf("[!] UART error while setting comm time outs\n");
 		return INVALID_SERIAL_PORT;
 	}