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vanryssel-s fix for canfd data transmission #1

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Jun 7, 2024
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vanryssel-s fix for canfd data transmission #1

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3 changes: 2 additions & 1 deletion src/mcp2517fd.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -688,7 +688,8 @@ bool MCP2517FD::_initFD(uint32_t nominalSpeed, uint32_t dataSpeed, uint8_t freq,
txDelayConfig.bF.TDCMode = 2; //automatic mode. The module will figure out the proper delay itself
txDelayConfig.bF.TDCValue = 0; //this value set by hardware in auto mode
txDelayConfig.bF.TDCOffset = (dataCfg.bF.BRP + 1) * (tseg1); //set value (dbrp * dtseg1) as a basepoint

nominalCfg.bF.SJW = tseg2 - 1;
dataCfg.bF.SJW = tseg2 - 1;
if (debuggingMode) Serial.printf("Data Settings: TSEG1: %u TSEG2: %u\n", tseg1, tseg2);

canConfig.bF.IsoCrcEnable = 1; //It's likely we need ISO CRC mode active to get FD to work properly
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