diff options
| -rw-r--r-- | libaltos/libaltos.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/libaltos/libaltos.c b/libaltos/libaltos.c index 2a41ef80..ad03e638 100644 --- a/libaltos/libaltos.c +++ b/libaltos/libaltos.c @@ -1319,6 +1319,7 @@ altos_open(struct altos_device *device) struct altos_file *file = calloc (1, sizeof (struct altos_file)); char full_name[64]; COMMTIMEOUTS timeouts; + int i; if (!file) return NULL; @@ -1326,7 +1327,15 @@ altos_open(struct altos_device *device) strcpy(full_name, "\\\\.\\"); strcat(full_name, device->path); - file->handle = open_serial(full_name); + file->handle = INVALID_HANDLE_VALUE; + + for (i = 0; i < 5; i++) { + file->handle = open_serial(full_name); + if (file->handle != INVALID_HANDLE_VALUE) + break; + Sleep(100); + } + if (file->handle == INVALID_HANDLE_VALUE) { free(file); return NULL; |