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当我使用am3352的I2C外部触摸屏时,当触摸屏接触多个点时,I2C总线将会死机,还会导致am3352崩溃和系统重置。
导致CPU重置问题的原因。
期待您的回复,谢谢。
以下是错误消息,当问题发生时,I2C总线上的其他设备无法正常通信。
[ 62.80.5943万 OMA] OMAP_i2c 44e0b000.i2c:控制器超时
[ I2C] Atmel_mxt_ts 0-004B:__mxt_read_reg:63.85.566万 传输失败(-110)
[ 63.86.3124万 ATMEL] Atmel_mxt_ts 0-004B:无法读取1条消息(-110)
[ 63.86.9572万 ATMEL] Atmel_mxt_ts 0-004B:读取:消息失败(-110)
[ I2C] Atmel_mxt_ts 0-004B:__mxt_read_reg:64.89.4896万 传输失败(-16)
[ 64.90.2006万 ATMEL] Atmel_mxt_ts 0-004B:无法读取T44/T144和T5 (-16)