small reworks, structure, extension

[magstrip.git] / uart.c

diff --git a/uart.c b/uart.c
index ba08a46e3c91824a684253626c59ea0454078637..580a7c70fa89b70a04b7f25cdf8207eff2d9389c 100755 (executable)
--- a/uart.c
+++ b/uart.c
@@ -35,7 +35,7 @@ int open_uart(char *device, speed_t baud)
                device = "/dev/ttyS0";
        fd = open(device, O_RDWR | O_NOCTTY);
        if (fd < 0) {
-               fprintf(stderr, "Can't open serial port: %s (%d)\n", strerror(errno), errno);
+               fprintf(stderr, "Can't open serial port '%s': %s (%d)\n", device, strerror(errno), errno);
                fd = -1;
                return -1;
        }