附录1 下传数据文件¶
科学数据¶
科学数据包依次由包头、事件1（通道号、us Count时间戳、ADC值、UTC、PPS Count）、事 件2-44（通道号、us Count时间戳、ADC值）、有效计数、丢失计数、包尾、校验组成。
字节号 |
包内编号 |
内容 |
值 |
备注 |
|---|---|---|---|---|
1 |
/ |
包头 |
0xAA |
固定值 |
2 |
0xBB |
|||
3 |
0xCC |
|||
4 |
1 |
事件1 |
Channel |
|
5-12 |
us Count |
|||
13-14 |
ADC |
|||
15-18 |
UTC |
|||
19-26 |
PPS Count |
|||
27 |
2 |
事件2 |
Channel |
|
28-35 |
us Count |
|||
36-37 |
ADC |
|||
38 |
3 |
事件3 |
Channel |
|
39-46 |
us Count |
|||
47-48 |
ADC |
|||
(略) |
||||
478 |
43 |
事件43 |
Channel |
|
479-486 |
us Count |
|||
487-488 |
ADC |
|||
489 |
44 |
事件44 |
Channel |
|
490-497 |
us Count |
|||
498-499 |
ADC |
|||
500-503 |
/ |
有效计数 |
/ |
|
504-507 |
/ |
丢失计数 |
/ |
|
508 |
/ |
包尾 |
0xDD |
固定值 |
509 |
0xEE |
|||
510 |
0xFF |
|||
511-512 |
/ |
校验 |
/ |
CRC16校验 |
内务数据¶
内务数据包依次由包头、子包1-7（UTC、PPS Count、us Count、SiPM温度、ADC温度、SiPM偏压、SiPM电流、MCU温度、UTC对应的PPS Count、PPS Count对应的us Count）、包尾、校验、保留字段组成。
字节号 |
包内编号 |
内容 |
值 |
备注 |
|---|---|---|---|---|
1 |
/ |
包头 |
0x12 |
固定值 |
2 |
0x34 |
|||
3 |
0x56 |
|||
4-7 |
1 |
子包1 |
UTC |
|
8-15 |
PPS Count |
|||
16-23 |
us Count |
|||
24-25 |
CH0 SiPM温度 |
|||
26-27 |
CH1 SiPM温度 |
|||
28-29 |
CH2 SiPM温度 |
|||
30-31 |
CH3 SiPM温度 |
|||
32-33 |
CH0 ADC温度 |
|||
34-35 |
CH1 ADC温度 |
|||
36-37 |
CH2 ADC温度 |
|||
38-39 |
CH3 ADC温度 |
|||
40-41 |
CH0 SiPM偏压 |
|||
42-43 |
CH1 SiPM偏压 |
|||
44-45 |
CH2 SiPM偏压 |
|||
46-47 |
CH3 SiPM偏压 |
|||
48-49 |
CH0 SiPM电流 |
|||
50-51 |
CH1 SiPM电流 |
|||
52-53 |
CH2 SiPM电流 |
|||
54-55 |
CH3 SiPM电流 |
|||
56-57 |
MCU温度 |
|||
58-65 |
UTC对应的PPS Count |
|||
66-73 |
PPS Count对应的us Count |
|||
(略) |
||||
424-427 |
7 |
子包7 |
UTC |
|
428-435 |
PPS Count |
|||
436-443 |
us Count |
|||
444-445 |
CH0 SiPM温度 |
|||
446-447 |
CH1 SiPM温度 |
|||
448-449 |
CH2 SiPM温度 |
|||
450-451 |
CH3 SiPM温度 |
|||
452-453 |
CH0 ADC温度 |
|||
454-455 |
CH1 ADC温度 |
|||
456-457 |
CH2 ADC温度 |
|||
458-459 |
CH3 ADC温度 |
|||
460-461 |
CH0 SiPM偏压 |
|||
462-463 |
CH1 SiPM偏压 |
|||
464-465 |
CH2 SiPM偏压 |
|||
466-467 |
CH3 SiPM偏压 |
|||
468-469 |
CH0 SiPM电流 |
|||
470-471 |
CH1 SiPM电流 |
|||
472-473 |
CH2 SiPM电流 |
|||
474-475 |
CH3 SiPM电流 |
|||
476-477 |
MCU温度 |
|||
478-485 |
UTC对应的PPS Count |
|||
486-493 |
PPS Count对应的us Count |
|||
494 |
/ |
包尾 |
0x78 |
固定值 |
495 |
0x9A |
|||
496 |
0xBC |
|||
497-498 |
/ |
校验 |
/ |
CRC16校验 |
499-512 |
/ |
保留 |
/ |