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platforms: Serial new dedicated writeBlocking method (#25537)

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* platforms: Serial new dedicated writeBlocking method

* finish writeBlocking()

* add back fsync

* updated posix, added string constant for port not open error

* format

* fix build

* remove fsync

* actually remove fsync

* remove fsync from write

* review feedback

---------

Co-authored-by: Jacob Dahl <dahl.jakejacob@gmail.com>
Co-authored-by: Jacob Dahl <37091262+dakejahl@users.noreply.github.com>
This commit is contained in:
Daniel Agar
2025-09-15 15:22:49 -08:00
committed by GitHub
co-authored by Jacob Dahl Jacob Dahl
parent 41d3403ec7
commit d3f912ad25
8 changed files with 144 additions and 5 deletions
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platforms/qurt/src/px4/SerialImpl.cpp
+17
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@@ -276,6 +276,23 @@ ssize_t SerialImpl::write(const void *buffer, size_t buffer_size)
return ret_write;
}
ssize_t SerialImpl::writeBlocking(const void *buffer, size_t buffer_size, uint32_t timeout_ms)
{
if (!_open) {
PX4_ERR("Cannot write to serial device until it has been opened");
return -1;
}
int ret_write = qurt_uart_write(_serial_fd, (const char *) buffer, buffer_size);
if (ret_write < 0) {
PX4_ERR("%s write error %d", _port, ret_write);
}
return ret_write;
}
void SerialImpl::flush()
{
if (_open) {