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Anonymous
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Nov 17, 2016
11:01 AM
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Nov 17, 2016
11:01 AM
I trying to read the MCP23S18-E/SP IO expander from micochip.
I write operation is working fine but I can not read the port from the IC.
Please see the attached files .
Ahmed
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PSoC 5LP
1 Solution
Nov 18, 2016
01:08 AM
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Nov 18, 2016
01:08 AM
Renamed SPIM_ReadByte(), SPIM_WriteByte()APIs to SPIM_ReadRxData(), SPIM_WriteTxData()
SPIM_ReadRxData() API returns invalid data if the FIFO is empty. Call SPIM_GetRxBufferSize(), and if it returns a nonzero value then it is safe to call the SPIM_ReadRxData() function.
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