Initial commit of fifo and i2c headers

This commit is contained in:
Ørn E. Hansen
2013-04-16 20:21:16 +00:00
parent 57e3d242b8
commit a3c31dff28
4 changed files with 88 additions and 1 deletions

View File

@@ -0,0 +1,45 @@
/*
* i2c.h
*
*/
#ifndef I2CFIREBEE_h
#define I2CFIREBEE_h
#include <fifo.h>
#ifndef BUFSIZ
#define BUFSIZ 512
#endif
#define I2CTLREAD (('i'<<8) | 1)
#define I2CTLWRITE (('i'<<8) | 2)
#define I2CTLSBUF (('i'<<8) | 3)
#define I2CTLINIT (('i'<<8) | 4)
#define I2CTLDEV (('i'<<8) | 5)
// Set a specific bit
#define set_bit(p,bit) p |= bit
// Clear a specific bit
#define clear_bit(p,bit) p &= ~bit
#define ELAPSED(t) (t - ReadTimer())
#define I2C_BUFFER_LENGTH 32
#define I2C_READY 0
#define I2C_MXRX 1
#define I2C_MXTX 2
#define I2C_ADDR 6
#define I2C_READ 1
#define I2C_WRITE 0
unsigned long ReadTimer();
void DelayMicroSec(unsigned long);
void I2C_Init();
int I2C_ioctl(unsigned int, unsigned long);
#endif