Changes for page LT-22222-L -- LoRa I/O Controller User Manual
Last modified by Saxer Lin on 2025/04/15 17:24
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... ... @@ -1336,7 +1336,9 @@ 1336 1336 1337 1337 [[image:1653358238933-385.png]] 1338 1338 1339 +((( 1339 1339 In PC, User needs to set (% style="color:#4f81bd" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console for LT. The AT commands are disable by default and need to enter password (default:(% style="color:green" %)**123456**)(%%) to active it. As shown below: 1341 +))) 1340 1340 1341 1341 [[image:1653358355238-883.png]] 1342 1342 ... ... @@ -1658,11 +1658,13 @@ 1658 1658 Below shows the hardware connection for how to upload an image to the LT: 1659 1659 * [[image:1653359603330-121.png]] 1660 1660 1663 +((( 1661 1661 **Step1:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]]. 1662 1662 **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]. 1663 1663 **Step3: **Open flashloader; choose the correct COM port to update. 1664 1664 **For LT-22222-L**: 1665 1665 Hold down the PRO button and then momentarily press the RST reset button and the **DO1 led** will change from OFF to ON. When **DO1 LED** is on, it means the device is in download mode. 1669 +))) 1666 1666 1667 1667 [[image:image-20220524103407-12.png]] 1668 1668 ... ... @@ -1708,10 +1708,15 @@ 1708 1708 [[image:1653360231087-571.png||height="401" width="727"]] 1709 1709 ))) 1710 1710 1715 +((( 1711 1711 (% style="color:red" %)Note: user just need to make sure above three keys match, User can change either in TTN or Device to make then match. In TTN, NETSKEY and APPSKEY can be configured by user in setting page, but Device Addr is generated by TTN. 1717 +))) 1712 1712 1719 +((( 1713 1713 (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands: 1721 +))) 1714 1714 1723 +((( 1715 1715 (% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access. 1716 1716 (% style="background-color:#dcdcdc" %)AT+FDR (%%) Reset Parameters to Factory Default, Keys Reserve 1717 1717 (% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access. ... ... @@ -1722,8 +1722,11 @@ 1722 1722 (% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz 1723 1723 (% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1 1724 1724 (% style="background-color:#dcdcdc" %)ATZ (%%)Reset MCU 1734 +))) 1725 1725 1736 +((( 1726 1726 As shown in below: 1738 +))) 1727 1727 1728 1728 [[image:1653360498588-932.png||height="485" width="726"]] 1729 1729 ... ... @@ -1793,33 +1793,58 @@ 1793 1793 ))) 1794 1794 ))) 1795 1795 1808 +((( 1796 1796 * ((( 1797 1797 (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433 1798 1798 ))) 1812 +))) 1813 + 1814 +((( 1799 1799 * ((( 1800 1800 (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868 1801 1801 ))) 1818 +))) 1819 + 1820 +((( 1802 1802 * ((( 1803 1803 (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920 1804 1804 ))) 1824 +))) 1825 + 1826 +((( 1805 1805 * ((( 1806 1806 (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470 1807 1807 ))) 1830 +))) 1831 + 1832 +((( 1808 1808 * ((( 1809 1809 (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923 1810 1810 ))) 1836 +))) 1837 + 1838 +((( 1811 1811 * ((( 1812 1812 (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915 1813 1813 ))) 1842 +))) 1843 + 1844 +((( 1814 1814 * ((( 1815 1815 (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915 1816 1816 ))) 1848 +))) 1849 + 1850 +((( 1817 1817 * ((( 1818 1818 (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865 1819 1819 ))) 1854 +))) 1820 1820 1821 1821 ((( 1822 -* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779 1857 +* ((( 1858 +(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779 1859 +))) 1823 1823 1824 1824 = 8. Packing Info = 1825 1825 )))