掌機 - FC3000 - 焊接USB

原本的USB D-是接到PD0、D+是接到PD9



為了可以進行USB下載，司徒只好把線割了


跳線


接著短路SPI Flash第1腳跟第2腳，然後上電


進入燒錄模式

$ sudo dmesg -c
    [50302.847603] fc3000_usb 1-1: new full-speed USB device number 116 using xhci_hcd
    [50302.996616] fc3000_usb 1-1: New USB device found, idVendor=1f3a, idProduct=efe8, bcdDevice= 2.b3
    [50302.996620] fc3000_usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0

$ lsfc3000_usb
    Bus 001 Device 116: ID 1f3a:efe8 Onda (unverified) V972 tablet in flashing mode