File content as of revision 0:6607b5b5fd68:

#define PCA9629A_ADDR 0x44

#define MODE             0x00
#define WDTOI            0x01
#define WDCNTL           0x02
#define IO_CFG           0x03
#define INTMODE          0x04
#define MSK              0x05
#define INTSTAT          0x06
#define IP               0x07
#define INT_MTR_ACT      0x08
#define EXTRASTEPS0      0x09
#define EXTRASTEPS1      0x0A
#define OP_CFG_PHS       0x0B
#define OP_STAT_TO       0x0C
#define RUCNTL           0x0D
#define RDCNTL           0x0E
#define PMA              0x0F
#define LOOPDLY_CW       0x10
#define LOOPDLY_CCW      0x11
#define CWSCOUNTL        0x12
#define CWSCOUNTH        0x13
#define CCWSCOUNTL       0x14
#define CCWSCOUNTH       0x15
#define CWPWL            0x16
#define CWPWH            0x17
#define CCWPWL           0x18
#define CCWPWH           0x19
#define MCNTL            0x1A
#define SUBADR1          0x1B
#define SUBADR2          0x1C
#define SUBADR3          0x1D
#define ALLCALLADR       0x1E
#define STEPCOUNT0       0x1F
#define STEPCOUNT1       0x20
#define STEPCOUNT2       0x21
#define STEPCOUNT3       0x22