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LPC MCUXpresso: Remove extra I2C transaction on byte write #11003

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Merged
merged 1 commit into from
Jul 15, 2019

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mmahadevan108
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Description

An extra start signal was observed on the bus which was discovered by the FPGA test shield.
This is because the hardware sends out a transaction as soon as a write to the START bit. Hence the write to the START bit is delayed by using a flag.

Pull request type

[X] Fix
[ ] Refactor
[ ] Target update
[ ] Functionality change
[ ] Docs update
[ ] Test update
[ ] Breaking change

@mmahadevan108
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cc @c1728p9 @bulislaw @maclobdell

@ciarmcom ciarmcom requested review from maclobdell and a team July 9, 2019 21:00
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ciarmcom commented Jul 9, 2019

@mmahadevan108, thank you for your changes.
@maclobdell @ARMmbed/mbed-os-maintainers please review.

An extra start signal was observed on the bus which was
discovered by the FPGA test shield.
This is because the hardware sends out a transaction as soon
as a write to the START bit. Hence the write to the START
bit is delayed by using a flag.

Signed-off-by: Mahesh Mahadevan <[email protected]>
@0xc0170
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0xc0170 commented Jul 11, 2019

CI started

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mbed-ci commented Jul 11, 2019

Test run: SUCCESS

Summary: 11 of 11 test jobs passed
Build number : 1
Build artifacts

@artokin artokin merged commit 5c45fa7 into ARMmbed:master Jul 15, 2019
@mmahadevan108 mmahadevan108 deleted the Fix_LPC_I2C branch August 9, 2019 14:25
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7 participants