哥哥姐姐,麻煩幫忙看下,官方開(kāi)發(fā)板,燒錄的CH32F103EVT\EVT\EXAM\USB\USBFS\HOST_KM例程,用USB2.0母座,接了一個(gè)鼠標(biāo),打印信息如下:
SystemClk:72000000
USB HOST KM Test
TIM3 Init OK!
USB Dev In.
Enum:
Get DevDesc:?
Err(16)
Get DevDesc:?
Err(16)
Get DevDesc: Err(16)
Get DevDesc: Err(16)
Get DevDesc: Err(16)
Get DevDesc: Err(16)
Enum Fail with Error Code:45
調(diào)試了下,斷點(diǎn)在如下圖位置,麻煩大佬看下例程是有問(wèn)題嗎?