DEV-15123

Development Boards Arduino
1

I have been trying to get this board to upload code for two weeks now. Every time I try to upload, I get the error message: Arduino: 1.8.10 (Windows 10), Board: “Arduino Uno”

Sketch uses 11380 bytes (35%) of program storage space. Maximum is 32256 bytes.

Global variables use 588 bytes (28%) of dynamic memory, leaving 1460 bytes for local variables. Maximum is 2048 bytes.

avrdude: loadaddr(): (b) protocol error, expect=0x14, resp=0xfc

avrdude: stk500_paged_load(): (a) protocol error, expect=0x10, resp=0x00

avrdude: stk500_cmd(): programmer is out of sync

avr_read(): error reading address 0x0000

read operation not supported for memory “flash”

avrdude: failed to read all of flash memory, rc=-2

avrdude: stk500_disable(): protocol error, expect=0x14, resp=0x00

avrdude: stk500_disable(): protocol error, expect=0x14, resp=0x00

This report would have more information with

“Show verbose output during compilation”

option enabled in File → Preferences.

I have tried everything I can think of to fix the issue. Any help would greatly be appreciated.

2

Hello amy101,

First, can you verify if you have the correct [CH340 Drivers installed?

Secondly, can you also verify if you tried using several other USB cables?

Thirdly, do you have anything attached to Digital pins 0 & 1 (tx/rx)?](How to Install CH340 Drivers - SparkFun Learn)

3

I have checked those things, besides the pins but I am not sure how to check those.

Upon further investigation, the code does work. I still get that error code even though my code correctly uploads. I am not sure why.

4

So the board is functioning with the uploaded code, but you’re still getting the error despite a successful upload?

5

That is absolutely correct. It has never told me that the upload was successful. It gives me that error code but the code works properly when I check it in the serial monitor. I am not sure why this happens but it is frustrating.

6

This sounds rather familiar. We’ve had boards using the CH340 USB to Serial IC gives this issue. Usually, it just needs the chip replaced. I’ll PM you for more details.

7

I am having the same issue:

avrdude: loadaddr(): (b) protocol error, expect=0x14, resp=0xfc

avrdude: loadaddr(): (b) protocol error, expect=0x14, resp=0xfc

avrdude: stk500_paged_load(): (a) protocol error, expect=0x10, resp=0x00

avrdude: stk500_cmd(): programmer is out of sync

avr_read(): error reading address 0x0000

read operation not supported for memory “flash”

avr_read(): error reading address 0x0000

avrdude: failed to read all of flash memory, rc=-2

avrdude: stk500_disable(): protocol error, expect=0x14, resp=0x00

Is there a fix for this problem?

8

I have the same issue with my redboard, can you please confirm what the resolution is?