OV5640初始化失败：部分寄存器无法写入

namae · 发表于 2022-1-12 22:09:31

OV5640摄像头模块，能够正确读取到ID，重置后初始化（使用的是例程的初始化寄存器列表）时部分寄存器写入失败，请问是什么原因呢。

Camera init failure at 0x3A18 (line 0029)
Camera init failure at 0x3C06 (line 0038)
Camera init failure at 0x3C08 (line 0040)
Camera init failure at 0x3810 (line 0044)
Camera init failure at 0x3812 (line 0046)
Camera init failure at 0x3000 (line 0050)
Camera init failure at 0x302E (line 0053)
Camera init failure at 0x501F (line 0055)
Camera init failure at 0x440E (line 0056)
Camera init failure at 0x580E (line 0078)
Camera init failure at 0x580F (line 0079)
Camera init failure at 0x5814 (line 0084)
Camera init failure at 0x5182 (line 0128)
Camera init failure at 0x519B (line 0153)
Camera init failure at 0x558A (line 0189)
Camera init failure at 0x5303 (line 0195)
Camera init failure at 0x5025 (line 0204)

重复执行也是这些寄存器失败，应该可以排除I2C稳定性的问题。