huxi
29 lines
651 B
C
29 lines
651 B
C
#ifndef _SPI_HW_H_
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#define _SPI_HW_H_
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#include "typedef.h"
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#include "generic/ioctl.h"
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#define SUPPORT_SPI0 0 //是否使能SPI0
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#define SUPPORT_SPI1 1 //是否使能SPI1
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#define SPI1_SUPPORT_UNIDIR_4BIT 1 //spi 4bit
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#define SUPPORT_SPI2 1 //是否使能spi2
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#define SPI2_SUPPORT_UNIDIR_4BIT 1 //spi 4bit
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#define HW_SPI_MAX_NUM 3
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typedef enum spi_index {
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HW_SPI0, //SPI0系统已使用
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HW_SPI1,
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HW_SPI2,
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} hw_spi_dev;
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enum spi_bit_mode {
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SPI_FIRST_BIT_MSB, //7,6,5,4,3,2,1,0
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SPI_FIRST_BIT_LSB, //0,1,2,3,4,5,6,7
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SPI_FIRST_BIT_BIT3, //3,2,1,0,7,6,5,4
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SPI_FIRST_BIT_BIT4, //4,5,6,7,0,1,2,3
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};
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#endif
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