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SPI settings fix for ESP

This commit is contained in:
Felix Rusu 2020-01-21 12:57:21 -05:00
parent e6adf4e6d5
commit d8f8892377
1 changed files with 3 additions and 3 deletions
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6
RFM69.cpp
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@ -475,15 +475,15 @@ void RFM69::select() {
#ifdef SPI_HAS_TRANSACTION #ifdef SPI_HAS_TRANSACTION
SPI.beginTransaction(_settings); SPI.beginTransaction(_settings);
#endif #else
// set RFM69 SPI settings explicitly
// set RFM69 SPI settings
SPI.setDataMode(SPI_MODE0); SPI.setDataMode(SPI_MODE0);
SPI.setBitOrder(MSBFIRST); SPI.setBitOrder(MSBFIRST);
#ifdef __arm__ #ifdef __arm__
SPI.setClockDivider(SPI_CLOCK_DIV16); SPI.setClockDivider(SPI_CLOCK_DIV16);
#else #else
SPI.setClockDivider(SPI_CLOCK_DIV4); // decided to slow down from DIV2 after SPI stalling in some instances, especially visible on mega1284p when RFM69 and FLASH chip both present SPI.setClockDivider(SPI_CLOCK_DIV4); // decided to slow down from DIV2 after SPI stalling in some instances, especially visible on mega1284p when RFM69 and FLASH chip both present
#endif
#endif #endif
digitalWrite(_slaveSelectPin, LOW); digitalWrite(_slaveSelectPin, LOW);
} }