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Hardware SPI BREAKING: unswap mode 2 and 3 for portability (#5948)

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* Hardware SPI BREAKING: unswap mode 2 and 3 for portability
use SPI.restoreEsp8266LegacyMode2And3() for former behaviour
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david gauchard 2019-04-06 01:13:09 +02:00 committed by GitHub
parent a1796f455a
commit 77451d6ec9
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1 changed files with 5 additions and 0 deletions
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libraries/SPI/SPI.cpp
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@ -161,6 +161,11 @@ void SPIClass::setDataMode(uint8_t dataMode) {
bool CPOL = (dataMode & 0x10); ///< CPOL (Clock Polarity)
bool CPHA = (dataMode & 0x01); ///< CPHA (Clock Phase)
// https://github.com/esp8266/Arduino/issues/2416
// https://github.com/esp8266/Arduino/pull/2418
if(CPOL) // Ensure same behavior as
CPHA ^= 1; // SAM, AVR and Intel Boards
if(CPHA) {
SPI1U |= (SPIUSME);
} else {