diff options
Diffstat (limited to 'code/fe310/eos/spi_def.h')
| -rw-r--r-- | code/fe310/eos/spi_def.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/code/fe310/eos/spi_def.h b/code/fe310/eos/spi_def.h new file mode 100644 index 0000000..48bcfab --- /dev/null +++ b/code/fe310/eos/spi_def.h @@ -0,0 +1,26 @@ +#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 |