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I2 c sequential communication rework #11334
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Merged
0xc0170
merged 3 commits into
ARMmbed:master
from
ABOSTM:I2C_SEQUENTIAL_COMMUNICATION_REWORK
Aug 29, 2019
Merged
I2 c sequential communication rework #11334
0xc0170
merged 3 commits into
ARMmbed:master
from
ABOSTM:I2C_SEQUENTIAL_COMMUNICATION_REWORK
Aug 29, 2019
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…iginal cube HAL
Keep former behaviour for I2C V1. For I2C V2: Use only I2C_FIRST_FRAME, I2C_FIRST_AND_LAST_FRAME and I2C_LAST_FRAME, thus we avoid using reload bit. Reload suppose the next frame would be in the same direction, but we have no guarranty about this. So we cannot use reload bit. Note: in case of 2 consecutive I2C_FIRST_FRAME, a restart is automatically generated only if there is direction change in the direction.
On last case ARMmbed#5 there was a last unexpected read. It happened when stop condition was generated
Test mbed_hal_fpga_ci_test_shield i2c passed on
ST CI tests OK:
|
@ARMmbed/team-st-mcd |
jeromecoutant
approved these changes
Aug 26, 2019
@ABOSTM, thank you for your changes. |
LMESTM
approved these changes
Aug 28, 2019
0xc0170
approved these changes
Aug 28, 2019
This PR is part of rollup PR #11366 Please do not update this PR, or if needed, let us know asap |
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Description
Rework on STM I2C sequential transfert:
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