Dingoo Tech A330
焊接UART接頭
為了不讓A330掌機被司徒冰太久,因此,司徒決定好好研究一下A330掌機,並且寫一些測試程式,這樣可以讓司徒更了解A330掌機,而開發嵌入式系統最基本的測試介面就是UART介面,因此,司徒必須先把UART腳位焊接出來,讓開發程式可以順利執行,因此,上網找了一些資料後,發現已經有高手成功焊接UART接頭,但是,比較可惜的是沒有RX腳位,主板上面只有TX腳位,因此,司徒只好焊接TX腳位,如下圖
找個空的地方塞進去
完成
A330掌機的原廠開機訊息(Baudrate: 57600bps)
A330 Native 1st SPL by Stephanie Maks HW init SLCD Init No SD Card, forcing Native.. NAND load IMG start NAND Loading... get ccpmp_config ok!!! ccpmp_config.firmware_name = A320.HXF. ccpmp_config.update_key = 123, ccpmp_config.lcm.width = 320, ccpmp_config.lcm.height = 240. loader normal mode... Creating ftl device... id:EC D5 14 B6 74 id:EC D5 14 B6 74 id:00 00 00 00 00 id:00 00 00 00 00 OK. usb_connect = 0 into lcd_init. loader -- into lcd_init. into init_lcd_gpio. out init_lcd_gpio. loader -- init_lcd_gpio ok. into Init_LCM_FAIR_ILI9331_320_240!!! out Init_LCM_FAIR_ILI9331_320_240!!! loader -- init_lcd_register ok. loader -- out lcd_init. OK 0. out lcd_init. 00002598:1.get_lcd_brightness -- value = 0. 000025B8:1.00000458:1.000004CC:1.00000515:1.00000529:1.0000055E:1.00000595:1.000005B4:1.000005D9:1.len is 0x 500000 os_len = 0x 00002598:1.00003FF0:1. 23b018. checksum = 0x0a2d83c5. 00004089:1.000040CC:1.0000029D:1.000002B4:1.000002C4:1.00001013:1.0000107F:1.1 - ret = 0 2 - ret = 1 Run image... c_main enter------!! kseg init OK! new loader, system config ok! intc init OK! intc lib OK! the os is start