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MT2523 USB download question

时间:10-02 整理:3721RD 点击:
[Description]

USB download(without Battery) OK
USB download(with battery), download successful @ first time, after power on/offtarget, can not be download, and always normal bootup,repeted tests are the same.

[Solution]

1、 Send AT command:send "AT+ERTCREG=3" to target @ normal bootup mode befor download,then power off target and download.

2、 Add UI operation: UI iocon operation or button (left three times or right three times) call API: rtc_clear_rtc_mode ()@ normal bootup mode befor download, then power off target and download.

3、 Use the new version of flash tool, the new version flash tool add function: normal mode send "AT+ERTCREG=3", and reboot target for auto download. The new version flash tool will in SDK(After the SDK4.2.2 is expected).

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