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Feature: Add non-blocking serial break/unbreak functions #8671

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merged 1 commit into from
Nov 19, 2018
Merged

Feature: Add non-blocking serial break/unbreak functions #8671

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14 changes: 14 additions & 0 deletions drivers/SerialBase.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -118,6 +118,20 @@ int SerialBase::_base_putc(int c)
return c;
}

void SerialBase::set_break()
{
lock();
serial_break_set(&_serial);
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unlock();
}

void SerialBase::clear_break()
{
lock();
serial_break_clear(&_serial);
unlock();
}

void SerialBase::send_break()
{
lock();
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10 changes: 10 additions & 0 deletions drivers/SerialBase.h
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Original file line number Diff line number Diff line change
Expand Up @@ -137,6 +137,16 @@ class SerialBase : private NonCopyable<SerialBase> {
attach(callback(obj, method), type);
}

/** Generate a break condition on the serial line
* NOTE: Clear break needs to run at least one frame after set_break is called
*/
void set_break();

/** Clear a break condition on the serial line
* NOTE: Should be run at least one frame after set_break is called
*/
void clear_break();

/** Generate a break condition on the serial line
*/
void send_break();
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