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Optimize SPI transfers to take one lock and do not return until completed

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This commit is contained in:
me-no-dev
2017-02-01 02:13:56 +02:00
parent 672631ddf0
commit de017a8a1b
3 changed files with 41 additions and 29 deletions
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9
libraries/SPI/src/SPI.cpp
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@ -128,8 +128,7 @@ void SPIClass::write(uint8_t data)
uint8_t SPIClass::transfer(uint8_t data)
{
spiWriteByte(_spi, data);
return spiReadByte(_spi);
return spiTransferByte(_spi, data);
}
void SPIClass::write16(uint16_t data)
@ -139,8 +138,7 @@ void SPIClass::write16(uint16_t data)
uint16_t SPIClass::transfer16(uint16_t data)
{
spiWriteWord(_spi, data);
return spiReadWord(_spi);
return spiTransferWord(_spi, data);
}
void SPIClass::write32(uint32_t data)
@ -150,8 +148,7 @@ void SPIClass::write32(uint32_t data)
uint32_t SPIClass::transfer32(uint32_t data)
{
spiWriteLong(_spi, data);
return spiReadLong(_spi);
return spiTransferLong(_spi, data);
}
void SPIClass::transferBits(uint32_t data, uint32_t * out, uint8_t bits)