Last modified by Xiaoling on 2025/04/23 15:57

From version 41.40
edited by Xiaoling
on 2022/06/06 11:20
Change comment: There is no comment for this version
To version 41.39
edited by Xiaoling
on 2022/06/06 11:20
Change comment: There is no comment for this version

Summary

Details

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Content
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1411 1411  
1412 1412  ==== **Set Serial Communication Parameters** ====
1413 1413  
1414 -(((
1415 1415  Set the Rs485 serial communication parameters:
1416 -)))
1417 1417  
1418 -* (((
1419 -**AT Command:**
1420 -)))
1416 +* **AT Command:**
1421 1421  
1422 -(((
1423 1423  Set Baud Rate:
1424 -)))
1425 1425  
1426 1426  (% class="box infomessage" %)
1427 1427  (((
1428 -(((
1429 1429  **AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
1430 1430  )))
1431 -)))
1432 1432  
1433 -(((
1434 1434  Set UART Parity
1435 -)))
1436 1436  
1437 1437  (% class="box infomessage" %)
1438 1438  (((
1439 -(((
1440 1440  **AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
1441 1441  )))
1442 -)))
1443 1443  
1444 -(((
1445 1445  Set STOPBIT
1446 -)))
1447 1447  
1448 1448  (% class="box infomessage" %)
1449 1449  (((
1450 -(((
1451 1451  **AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1452 1452  )))
1453 -)))
1454 1454  
1455 -(((
1456 -
1457 -)))
1458 1458  
1459 -* (((
1460 -**Downlink Payload:**
1461 -)))
1440 +* **Downlink Payload:**
1462 1462  
1463 -(((
1464 1464  **A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
1465 -)))
1466 1466  
1467 -(((
1468 1468  **Example:**
1469 -)))
1470 1470  
1471 -* (((
1472 -A7 01 00 60   same as AT+BAUDR=9600
1473 -)))
1474 -* (((
1475 -A7 01 04 80  same as AT+BAUDR=115200
1476 -)))
1446 +* A7 01 00 60   same as AT+BAUDR=9600
1447 +* A7 01 04 80  same as AT+BAUDR=115200
1477 1477  
1478 -(((
1479 1479  A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1480 -)))
1481 1481  
1482 -(((
1483 1483  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1484 -)))
1485 1485  
1486 1486  
1487 1487