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Hello I am trying to connect my C1101 via SPI but for some reason the pico doesn't connect.
As part of the configuration I can see that this bytes are send using my logic analyzer:
MOSI --- MISO
30 --- 0F
F0 --- 00
00 --- 00
F1 --- 00
00 --- 14
However even if both MOSI and MISO messages looks right the all MISO messages are read as 0s
SPI.beginTransaction(spiSettings);
chipSelect();
waitReady();
Serial.print("HEADER: ");
Serial.println(header, HEX);
saveStatus(SPI.transfer(header));
byte data = SPI.transfer(0x00); // <--- In the last transaction this should be 0x14 but is read as 0
Serial.print("data: ");
Serial.println(data, HEX);
chipDeselect();
SPI.endTransaction();
This discussion was converted from issue #3242 on November 15, 2025 16:18.
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Hello I am trying to connect my C1101 via SPI but for some reason the pico doesn't connect.
As part of the configuration I can see that this bytes are send using my logic analyzer:
MOSI --- MISO
30 --- 0F
F0 --- 00
00 --- 00
F1 --- 00
00 --- 14
However even if both MOSI and MISO messages looks right the all MISO messages are read as 0s
Any idea of what is going on?
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