Comments (4)
Oppa-YA
commented on August 30, 2024
2
Thank you Chris for very fast response!
Now i get it, it's because i compiling project for tiny85 dev board with bootloader (i have digispark).
Never have problems before with it tiny project's, that's why i don't find a problem after day trying to run it. After your answer I changed Arduino settings and try compile it for generic tiny85 and it compile imidiately. Well, i'll will find clean cheep and try this later.
Thanks again!
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ChrisVega
commented on August 30, 2024
1
The attiny core you are using has no constructor for a String class that
has float as it's parameter. If you're using the core I listed under LCD
that's why, it's a bit outdated outdated. The only reason I used it is because the LCD library for the attiny85 wouldn't work without it.
Use the core they use here and it should work.
https://www.hackster.io/arjun/programming-attiny85-with-arduino-uno-afb829
…On Fri, Aug 10, 2018, 1:39 PM Shadowern ***@***.***> wrote:
Hi, @ChrisVega <https://github.com/ChrisVega> . I tried different
versions of Arduino IDE, but can't compile a project for OLED display. I
always stuck at error "call of overloaded 'String(float&, int)' is
ambiguous"
Can you help me please?
Here is full error code:
D:\Arduino\Giger_counter_v6_attiny_OLED\Giger_counter_v6_attiny_OLED.ino:
In function 'void loop()':
Giger_counter_v6_attiny_OLED:48: error: call of overloaded 'String(float&,
int)' is ambiguous
DoseDis = String(Dose, 4);
^
D:\Arduino\Giger_counter_v6_attiny_OLED\Giger_counter_v6_attiny_OLED.ino:48:29:
note: candidates are:
In file included from
C:\Users\shado\AppData\Local\Arduino15\packages\digistump\hardware\avr\1.6.7\cores\tiny/WProgram.h:17:0,
from C:\Users\shado\AppData\Local\Arduino15\packages\digistump\hardware\avr\1.6.7\cores\tiny/Arduino.h:4,
from sketch\Giger_counter_v6_attiny_OLED.ino.cpp:1:
C:\Users\shado\AppData\Local\Arduino15\packages\digistump\hardware\avr\1.6.7\cores\tiny/WString.h:39:5:
note: String::String(long unsigned int, int)
String( const unsigned long, const int base=10 );
^
C:\Users\shado\AppData\Local\Arduino15\packages\digistump\hardware\avr\1.6.7\cores\tiny/WString.h:38:5:
note: String::String(long int, int)
String( const long, const int base=10 );
^
C:\Users\shado\AppData\Local\Arduino15\packages\digistump\hardware\avr\1.6.7\cores\tiny/WString.h:37:5:
note: String::String(unsigned int, int)
String( const unsigned int, const int base=10 );
^
C:\Users\shado\AppData\Local\Arduino15\packages\digistump\hardware\avr\1.6.7\cores\tiny/WString.h:36:5:
note: String::String(int, int)
String( const int, const int base=10);
^
Giger_counter_v6_attiny_OLED:53: error: 'class String' has no member named
'c_str'
SSD1306.ssd1306_string_font6x8(CPMdis.c_str());
^
Giger_counter_v6_attiny_OLED:55: error: 'class String' has no member named
'c_str'
SSD1306.ssd1306_string_font6x8(DoseDis.c_str());
^
Multiple libraries were found for "font6x8.h"
Used: C:\Users\shado\Documents\Arduino\libraries\ssd1306xled-master
Not used:
C:\Users\shado\AppData\Local\Arduino15\packages\digistump\hardware\avr\1.6.7\libraries\DigisparkOLED
Not used:
C:\Users\shado\AppData\Local\Arduino15\packages\digistump\hardware\avr\1.6.7\libraries\DigisparkOLED
Not used:
C:\Users\shado\AppData\Local\Arduino15\packages\digistump\hardware\avr\1.6.7\libraries\DigisparkOLED
Not used:
C:\Users\shado\AppData\Local\Arduino15\packages\digistump\hardware\avr\1.6.7\libraries\DigisparkOLED
exit status 1
call of overloaded 'String(float&, int)' is ambiguous
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ChrisVega
commented on August 30, 2024
1
No problem, I'm just glad someone is getting use out of my code. Good luck with your project.
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boxerjl2
commented on August 30, 2024
so is this not compatible with the digispark? ive been trying to figure it out myself for hours and then saw this issue and did what you said to do so that sketch would finally compile but i cant get it onto the digispark
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