Up until the bootloader incident, all was just dandy.
So, any ideas of what I messed up and how I could get it back working again? Does the Pro Micro need a special bootloader or can I use the one from the Arduino collection?
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pvmellor wrote:Can a rogue sketch corrupt the bootloader - i had thought not?I don't know about corrupting the bootloader, but a rogue sketch can make it 'almost impossible' to get to the bootloader by normal means.
pvmellor wrote:Stephanie,Sorry for the long delay in getting back to you.
OK that's interesting - i will give it a try tonight.
Could you explain how the bootloader gets run (or point me to somewhere that can)? i see from the 32U datasheet that there are three ways to get there 1) jump/call from your application program, 2) set the BOOTRST fuse so that a reset takes you there, or 3) with the external hardware boot enable. I'm guessing that its not the latter, so i'm wondering about the first two.
// auto-reset into the bootloader is triggered when the port, already // open at 1200 bps, is closed. this is the signal to start the watchdog // with a relatively long period so it can finish housekeeping tasks // like servicing endpoints before the sketch ends
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