Does the DA14531 module ship with firmware loaded? I see something that looks like a single byte at 57600 or 115200 coming from P0_5 at power up.
Would be great if CodeLess was preloaded, or some code that allowed OTA update.
Device:
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Hi rfcode,
Thanks for your question online and for using our DA14531 TINY module. Thanks also for your suggestion regarding the pre-preprogramed firmware.
However, the module comes without any pre-programmed firmware, so you should program it by your own.
Can you please take a screenshot from your Serial terminal and share it? I’d like to see what is the out on the P0_5. It might be the bootloader, but please share a screenshot to double check it first.
Programming the module is straight forward procedure, as we provide the Flash programmer tool. See “Development Tools” section in the module product page. You will find a user guide too.
https://www.dialog-semiconductor.com/products/bluetooth-module-da14531-smartbond-tiny
Additionally, if you are interest in mass programming, there is now a jig available for DA14531 module. Please check this out:
http://www.praxisrf.com/~shop/main.html
Thanks, PM_Dialog
Thanks for confirming the memory state from factory. I've attached a scope capture of P0_5. Looks like a 0x04 followed by a partial character (also 0x04?) @ 115200. Only power (3V) is connected to the module. Hope this is helpful - it's not blocking us.
Hi There,
Thanks for your attached file but I cannot see its content. It shows a message like : "Preview unavailable". Could you please attach it again?
In the meanwhile, have you programed the module, or is is still empty?
Thanks, PM_Dialog
Module was unprogrammed (factory fresh).
New PDF attached.
Hi rfcode,
Please see section 4.1 Timing diagram of the booting sequence in the AN-B-072: DA14531 Booting from OTP and Serial Interfaces application note. Booting step 2 is boot from 1-wire UART from P05. Please check if you are getting same bytes on P05. A logic analyzer tool it would be very helpful.
Thanks, PM_Dialog