Share via Share via... Twitter Facebook Telegram Reddit打印 × 注意:救砖操作会冲掉校准数据 救砖前需要确保已经备份了WI-FI校准数据 新版救砖方法 准备 准备:JLink-V9或以上版本一台,J-Flash SPI软件。(可通过安装Jlink全家桶得到,下载地址: https://www.segger.com/downloads/jlink/ ) 连接 找到BIT模组,或者NEO的SPI接口,分别找到如下6个引脚: BIT/NEO ——– 20Pin JTAG连接器 GND ——– 20 CLK/CK ——– 9 CS0 ——– 7 MO/MOSI ——– 5 MI/MISO ——– 13 VF ——– 1 打开工程 打开J-FLASH SPI软件,然后Open Project中打开32m4b.jflash。 然后Open Datafile中找到要刷的uboot。然后会问起始地址,保持默认0点OK 烧写 菜单栏Target中点击Connect,此时Log窗口中显示 Connected successfully 然后再菜单栏Target中点击Program,会询问是否抹掉扇区,点击Yes。 LOG: Programming target (111760 bytes, 1 range) ... - Reading affected sectors ... - 2 of 512 sectors affected, 1 range, 0x0 - 0x1FFFF - Target memory read successfully. (131072 bytes, 1 range) - Erasing affected sectors ... - 2 of 512 sectors affected, 1 range - Affected sectors 0 to 1 (0x0 - 0x1FFFF) - Erase operation completed successfully - Target programmed successfully - Completed after 2.421 sec 刷机视频 qq20201211-183112-hd.mp4