Task: Restore XUSB sec (0x50001ef8)
I> Task: Enable FSI SE clock (0x50017d0c)
I> Enable FSI-SE clock and 10ms delay…
I> Task: Initialize SBSA UART CAR (0x500020fc)
I> Task: Initialize CPUBL Params (0x50018cf8)
I> CPUBL-params @ 0x832000000
I> Task: Ratchet update (0x50029100)
W> Skip ratchet update - OPTIN fuse not set
I> Task: Prepare eeprom data (0x50018ac4)
E> I2C: Timeout while polling for transfer complete. Last value 0x00000002.
E> I2C: Could not write 0 bytes to slave: 0x00a0 with repeat start true.
E> I2C_DEV: Failed to send register address 0x00000000.
E> I2C_DEV: Could not read 256 registers of size 1 from slave 0xa0 at 0x00000000 via instance 0.
E> eeprom: Failed to read I2C slave device
C> Task 0x0 failed (err: 0x1f1e0506)
E> Top caller module: I2C_DEV, error module: I2C, reason: 0x06, aux_info: 0x05
I> Busy Spin
1 个赞
请问下解决了吗？怎么重新编译MB2并且烧写
-
用示波器检测 I2C 总线（SDA/SCL）信号是否正常，确保 EEPROM 芯片物理焊接/连接完好。
-
用编程器或其他能读 I2C 的设备，单独测试 EEPROM 是否能正常读取。如内容确实损坏，重新烧录出厂默认内容。
-
测量模组供电，确保各电源轨正常，无欠压、抖动等异常。
-
用 NV官方推荐的 BSP（板级支持包）固件版本，检查启动配置，EEPROM的I2C地址和参数是否正确。
-
检查定制硬件/改动是否影响 I2C 总线或 EEPROM连线，包括外围电路、拉高电阻等。