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#define SPI_SIZE_BUF 1500
#define SPI_SIZE_BUFQ 2
#define SPI_MODE0 0x00
#define SPI_MODE1 0x01
#define SPI_MODE2 0x02
#define SPI_MODE3 0x03
#define SPI_SIZE_CHUNK 4
#define SPI_SIZE_TXWM 2
#define SPI_SIZE_RXWM 3
#define SPI_PIN_RTS 0 // pin 8
#define SPI_PIN_CTS 23 // pin 7
#define SPI_FLAG_RDY 0x01
#define SPI_FLAG_RST 0x02
#define SPI_FLAG_RTS 0x04
#define SPI_FLAG_CTS 0x08
#define SPI_FLAG_INIT 0x10
#define SPI_FLAG_ONEW 0x20
/* asm */
#define SPI_BUFQ_OFF_IDXR 0
#define SPI_BUFQ_OFF_IDXW 1
#define SPI_BUFQ_OFF_ARRAY 4
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