Rainbow Electronics AT42QT1110-AZ - Manual (Page 26)

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9570H–AT42–02/10
AT42QT1110-MZ/AT42QT1110-AZ
6.7 Error Keys (0xC5)
This command returns a 2-byte bit-field report indicating the error status of all 11 keys. Note that
disabled keys do not report errors.
KEY_n: 0 = key n status good, 1 = key n in error (where n is 0–10).
6.8 Signal for Key “k” (0x2k)
This command returns a 2-byte report containing the most recent measured signal for key “k”.
The signal is returned as a 16-bit number, MSB first.
6.9 Reference for Key “k” (0x4k)
This command returns a 2-byte report containing the reference signal for key “k”. The reference
is returned as a 16-bit number, MSB first.
6.10 Status for Key “k” (0x8k)
This command returns a 1-byte report containing the status for key “k”.
DETECT: 0ut of detect, 1 = in detect.
LBL: 0 = lower burst limit is good, 1 = lower burst limit has error.
MBL: 0 = maximum burst limit is good, 1 = maximum burst limit has error. The maximum burst
limit is fixed at 2048 pulses.
AKS_EN: 0 = AKS is disabled, 1 = AKS is enabled.
CAL: 0 = normal, 1 = calibrating.
KEY_EN: 0 = key is disabled, 1 = key is enabled.
Table 6-5. Send All Keys Report Format
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Byte 0 KEY_10 KEY_9 KEY_8
Byte 1 KEY_7 KEY_6 KEY_5 KEY_4 KEY_3 KEY_2 KEY_1 KEY_0
Table 6-6. Signal for Key “k” Report Format
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Byte 0 Signal MSB
Byte 1 Signal LSB
Table 6-7. Reference for Key “k” Report Format
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Byte 0 Reference MSB
Byte 1 Reference LSB
Table 6-8. Reference for Key “k” Report Format
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Byte 0 DETECT LBL MBL AKS_EN CAL KEY_EN