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使用3.3v直流供电,连接蓝牙很顺畅,OTA也可以正常升级,但是换成锂电池供电蓝牙要多次连接偶尔才能连上一次,并且OTA升级总是卡在如图,无法继续写入,可能是哪里的原因呢?望指教
看一下你的ota空间是否够,这个空间要4K对齐
@mars 已经解决了,应该是在硬件定时器里频繁切换点亮数码管干扰到了OTA,在OTA中断触发提前关掉定时器就可以正常升级