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fix(spi): correct some signals and dummy bits docs

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wanlei
2023-11-15 16:23:27 +08:00
committed by Wan Lei
parent 90eada6993
commit 4dcd6d7913
10 changed files with 182 additions and 142 deletions
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12
docs/en/api-reference/protocols/esp_spi_slave_protocol.rst
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@@ -43,9 +43,17 @@ In the half duplex mode, the master has to use the protocol defined by the slave
For some commands (WRBUF, RDBUF), this phase specifies the address of the shared register to write to/read from. For other commands with this phase, they are meaningless but still have to exist in the transaction.
- Dummy: 8-bit, floating, optional
.. only:: esp32s2
This phase is the turnaround time between the master and the slave on the bus, and also provides enough time for the slave to prepare the data to send to the master.
- Dummy: 8-bit (for 1-bit mode) or 4-bit (for 2/4-bit mode), floating, optional
This phase is the turnaround time between the master and the slave on the bus, and also provides enough time for the slave to prepare the data to send to the master.
.. only:: not esp32s2
- Dummy: 8-bit, floating, optional
This phase is the turnaround time between the master and the slave on the bus, and also provides enough time for the slave to prepare the data to send to the master.
- Data: variable length, the direction is also determined by the command.