49 lines
891 B
C
49 lines
891 B
C
/*
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* i2c.h
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*
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*/
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#ifndef I2CFIREBEE_h
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#define I2CFIREBEE_h
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#include <fifo.h>
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#ifndef BUFSIZ
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#define BUFSIZ 512
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#endif
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#define I2CTLREAD (('i'<<8) | 1)
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#define I2CTLWRITE (('i'<<8) | 2)
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#define I2CTLSBUF (('i'<<8) | 3)
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#define I2CTLINIT (('i'<<8) | 4)
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#define I2CTLDEV (('i'<<8) | 5)
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// Set a specific bit
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#define set_bit(p,bit) p |= (bit)
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#define set_bit_nr(p,nr) set_bit(p,(1<<(nr)))
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// Clear a specific bit
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#define clear_bit(p,bit) p &= ~(bit)
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#define clear_bit_nr(p,nr) clear_bit(p,(1<<(nr)))
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#define ELAPSED(t) (t - ReadTimer())
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#define I2C_BUFFER_LENGTH 32
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#define I2C_READY 0
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#define I2C_MXRX 1
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#define I2C_MXTX 2
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#define I2C_ADDR 6
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#define I2C_READ 1
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#define I2C_WRITE 0
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unsigned long ReadTimer();
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void DelayMicroSec(unsigned long);
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void I2C_Init();
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int I2C_ioctl(unsigned int, unsigned long);
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#endif
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