SLVUCR8A September 2023 – March 2024 TPS25751
| Description | The 'SWSr' Task instructs PD Controller to attempt to become a Source through PR_Swap at the first opportunity while maintaining policy engine compliance. |
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| INPUT DATAX | None |
| OUTPUT DATAX | Byte 1: Standard Task Return Code |
| Task Completion | The 'SWSr' Task completes either when the PR_Swap is finished or it is otherwise determined to not be possible or fails. The Task can continue to run because of Wait messages being sent by the Sink. The 'SWSr' Task shall be considered rejected if:
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| Side Effects | When the 'SWSr' Task completes successfully PD Controller will have transitioned to the Source power role, which impacts other registers. If the PR_Swap fails after the Accept is sent then Soft and/or Hard Resets are likely to occur per PD spec requirements. |
| Additional Information | None |