DA14580 SPI Flash booting protocol

Failed with booting from Flash

Sat, 2018-03-03 03:05--liaobme

Hi,

I am new in DA14580. I am trying to burn DA14580_DSPS_3.150.1.5 into SPI Flash.

The firmware works well when download through UART, but does not work when boot from flash. The flash burning part seems ok, because the flash content can be read out after power off and then power on. However, the formation of the first 8 bytes of the flash content is different from the booting protocol described in AN-B-001, the first 8 bytes as follows(detail see the attached pdf file):

订阅RSS - DA14580 SPI Flash引导原型col