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Make compatible with Teensyduino #9

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Make compatible with Teensyduino #9

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6 changes: 4 additions & 2 deletions src/LinFrameTransfer.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -318,14 +318,16 @@ size_t LinFrameTransfer::writeBreak()

driver.flush();
// configure to half baudrate --> a t_bit will be doubled
driver.updateBaudRate(baud >> 1);
driver.end();
driver.begin(baud >> 1);
// write 0x00, including Stop-Bit (=1),
// qualifies when writing in slow motion like a Break in normal speed
size_t result = driver.write(BREAK_FIELD);
// ensure this was send
driver.flush();
// restore normal speed
driver.updateBaudRate(baud);
driver.end();
driver.begin(baud);
return result;
}

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6 changes: 4 additions & 2 deletions src/LinNodeConfig.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -33,14 +33,16 @@ void LinNodeConfig::requestWakeup()
// ensure the tx buffer is empty
driver.flush();
// configure to half baudrate --> a t_bit will be doubled
driver.updateBaudRate(baud >> 1);
driver.end();
driver.begin(baud >> 1);
// write 0x00, including Stop-Bit (=1)
// qualifies when writing in slow motion for a wake-up request
driver.write(LinFrameTransfer::BREAK_FIELD);
// ensure this is send
driver.flush();
// restore normal speed
driver.updateBaudRate(baud);
driver.end();
driver.begin(baud);

// give the bus some time to wake up (100-150ms)
constexpr auto delay_after_Wakeup = 100; // 100-150ms, after 250ms slaves may request a second call
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