Register number | Register purpose | Register values |
---|---|---|
0x02 | Mode control | Sleep:0x30 Contact:0x31 Sensor:0x33 FlyEstimation:0x34 |
0x03 | Contact register/capacitance? | (value >> 4) & 0x1 = 1 if finger contact otherwise |
0x04 | ? | |
0x10 | MVS FRMBUF control | |
0x1A | ? | |
0x20 | ? | def: 0x00 |
0x21 | Small gain | def: 0x23 |
0x22 | Normal gain | def: 0x21 |
0x23 | Large gain | def: 0x20 |
0x24 | ? | def: 0x14 |
0x25 | ? | def: 0x6A |
0x26 | VRB again? | def: 0x00 |
0x27 | VRT again? | def: 0x00 |
0x28 | ? | def: 0x00 |
0x29 | ? | def: 0xC0 |
0x2A | ? | def: 0x50 |
0x2B | ? | def: 0x50 |
0x2C | ? | def: 0x4D |
0x2D | ? | def: 0x03 |
0x2E | ? | def: 0x06 |
0x2F | ? | def: 0x06 |
0x30 | ? | def: 0x10 |
0x31 | ? | def: 0x02 |
0x32 | ? | def: 0x14 |
0x33 | ? | def: 0x34 |
0x34 | ? | def: 0x01 |
0x35 | ? | def: 0x08 |
0x36 | ? | def: 0x03 |
0x37 | ? | def: 0x21 |
0x41 | Encryption byte1 | def: 0x12 |
0x42 | Encryption byte2 | def: 0x34 |
0x43 | Encryption byte3 | def: 0x56 |
0x44 | Encryption byte4 | def: 0x78 |
0x45 | Encryption byte5 | def: 0x90 |
0x46 | Encryption byte6 | def: 0xAB |
0x47 | Encryption byte7 | def: 0xCD |
0x48 | Encryption byte8 | def: 0xEF |
0x50 | required for contact detection? | init: 0x0F valid: value | 0x80 / 0x8F |
0x51 | ? | valid: value & 0xF7 / 0x30 |
0x59 | ? | valid: 0x18 |
0x5A | ? | valid: 0x08 |
0x5B | ? | valid: 0x00/0x10 |
0x70 | Sensor model byte0 (version?, firmware?) | def: 0x4A |
0x71 | Sensor model byte1 | def: 0x44 |
0x72 | Sensor model byte2 | def: 0x49 |
0x73 | Sensor model byte3 | def: 0x31 |
0x93 | ? | |
0x94 | ? | |
0xE0 | Sensor Gain | init: 0x04, GAIN_SMALL_INIT: 0x23 (default gain) |
0xE1 | For brightness and contrast | Maximum value for VRT: 0x3F |
0xE2 | For brightness and contrast | Maximum value for VRB: 0x3A |
0xE3 | Used for contact detection | Maximum value for DTVRT: 0x3A |
0xE5 | VCO Control | 0x13 (IDLE?), 0x14 (REALTIME) |
0xE6 | DC Offset | Minimum value for DCoffset: 0x00 Maximum value for DCoffset: 0x35 |
0xF0 | ? | init:0x00 close:0x01 |
0xF2 | ? | init:0x00 close:0x4E |
/etc/udev/rules.d/90-egis.rules
with the following content: