Comments (5)
Hi, on upduiono V2 you can't see anything on serial, because there is no serial at all. ftdi is for flashing only. you have to attach some usb-uart to gpios :-) led flashing is good sign at this time.
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"Then the green LED D2 turn on and stays on permanently", so the LED is not flashing.
"connected rx of a serial-to-USB-converter to pin 19 on the board", so a serial-to-USB converter is attached to a gpio.
Philipp
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Upduino V2 does not have the reset jumper as V1. So a power cycle might bring the device up and running after flash. I will add a dedicated reset pin soon.
The RGB LED first is red after main() is running and goes green after the tests finished. So this should be okay anyway. I will check my upduino V2 boards the next days.
Pin 19 to RX is okay (9600-8N1). Sorry I did not get it :-)
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I tried it. Pin 19 and 13 connected to USB-UART dongle. After flashing:
make flash TARGET=5k
the system boots (LED red -> green) and console output (9600-8n1) is readable.
from icez0mb1e.
Hi, sorry to hijack this old issue, but it is still open. I am using an upduino 2.1 (should be same as 2.0) and I am also having a small issue.
After flashing the image and powering up, RGB goes green after about a second. There doesn't seem to be a Red indication to start with.
On my serial console (9600, 8N1) I get a repeating set of 4 bytes - some binary character and then WWW every 2 seconds or so. It's as if the baud rate is wrong but I've tried it on both my Mac running minicom and my PC running Putty with the same results.
What should I actually be getting from the UART?
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