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Hardware SPI driver

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This commit is contained in:
UncleRus 2016-03-04 01:10:06 +05:00
parent 17133f408b
commit bd40f75d37
3 changed files with 405 additions and 0 deletions
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2
core/include/esp/spi_regs.h
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@ -152,6 +152,7 @@ _Static_assert(sizeof(struct SPI_REGS) == 0x100, "SPI_REGS is the wrong size");
#define SPI_USER0_CS_SETUP BIT(5)
#define SPI_USER0_CS_HOLD BIT(4)
#define SPI_USER0_FLASH_MODE BIT(2)
#define SPI_USER0_DUPLEX BIT(0)
/* Details for USER1 register */
@ -173,6 +174,7 @@ _Static_assert(sizeof(struct SPI_REGS) == 0x100, "SPI_REGS is the wrong size");
/* Details for PIN register */
#define SPI_PIN_IDLE_EDGE BIT(29) ///< CPOL
#define SPI_PIN_CS2_DISABLE BIT(2)
#define SPI_PIN_CS1_DISABLE BIT(1)
#define SPI_PIN_CS0_DISABLE BIT(0)