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

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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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8
cores/esp32/esp32-hal-spi.h
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@ -98,10 +98,10 @@ void spiWriteByte(spi_t * spi, uint8_t data);
void spiWriteWord(spi_t * spi, uint16_t data);
void spiWriteLong(spi_t * spi, uint32_t data);
void spiRead(spi_t * spi, uint32_t *out, uint8_t len);
uint8_t spiReadByte(spi_t * spi);
uint16_t spiReadWord(spi_t * spi);
uint32_t spiReadLong(spi_t * spi);
void spiTransfer(spi_t * spi, uint32_t *out, uint8_t len);
uint8_t spiTransferByte(spi_t * spi, uint8_t data);
uint16_t spiTransferWord(spi_t * spi, uint16_t data);
uint32_t spiTransferLong(spi_t * spi, uint32_t data);
void spiTransferBits(spi_t * spi, uint32_t data, uint32_t * out, uint8_t bits);
void spiTransferBytes(spi_t * spi, uint8_t * data, uint8_t * out, uint32_t size);