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windows: Await completion of previous write before changing config.

This commit is contained in:
Martin Ling 2017-07-03 20:56:21 +01:00 committed by Uwe Hermann
parent 55ab7e0b6b
commit 6bd6a8b520
1 changed files with 3 additions and 0 deletions
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3
serialport.c
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@ -1881,6 +1881,9 @@ static enum sp_return set_config(struct sp_port *port, struct port_data *data,
DEBUG_FMT("Setting configuration for port %s", port->name);
#ifdef _WIN32
TRY(await_write_completion(port));
if (config->baudrate >= 0) {
for (i = 0; i < NUM_STD_BAUDRATES; i++) {
if (config->baudrate == std_baudrates[i].value) {