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RA4M2串口初始化卡住
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RA4M2串口初始化卡住
XXXX.XXXXX
1 month ago
求助，程序初始化被串口初始化卡住了，没遇到这种情况，请问如何排查
检查了串口配置，堆栈也足够大
Top Replies
NP_Renesas
1 month ago
+1
你好， 请问具体是卡在哪，现象是什么，open返回值正常吗？
NP_Renesas
1 month ago
in reply to
XXXX.XXXXX
+1
verified
建议跑一下官方例程，确认下是软件配置问题还是硬件连接问题： ra-fsp-examples/example_projects/ek_ra4m2/sci_uart/sci_uart_ek_ra4m2_ep at master · renesas/ra-fsp-examples · GitHub