Background: My goal with this code is to display a four digit number to a 4 x seven segment LED using the SevenSeg library. In the future, I plan on it displaying the temperature from a thermometer probe using the OneWire library and the Dallas Temperature library. For the time being, those libraries are not being used.
When I verify/upload this code using the Arduino online editor to a Raspberry Pi (cloud) I get the following error.
I am very new to Arduino and I honestly have no idea what this means, or how to fix it. Any suggestions or links to other documentation is helpful. Thanks!
Sketch...
// Test sketch to see if manual code of 7-Segment LEDs work with SevenSeg Library
// SevenSeg - Version: Latest
#include <SevenSeg.h>
// DallasTemperature - Version: Latest
#include <DallasTemperature.h>
// OneWire - Version: Latest
#include <OneWire.h>
SevenSeg disp (36, 38, 40, 7, 11, 13, 15);
const int numOfDigits=4;
int digitPins[numOfDigits]={12, 16, 18, 32};
int DPPin=29;
void setup() {
disp.setDigitPins(numOfDigits,digitPins);
disp.setCommonCathode();
disp.setDPPin(DPPin);
}
void loop() {
disp.write(2300,2);
}
Bottom half of the status...
...
Compiling library "dallastemperature_3_8_0"
"/home/ubuntu/opt/tools/arm-linux-gcc/4.9.3/bin/arm-linux-gnueabihf-g++" -c -I. -w -g -O3 -nostdlib -DMRAA_BACKEND -DN_I2C=3 -DN_SPI=3 -MMD -std=gnu++11 -mtune=cortex-a9 -DARDUINO=10611 -DARDUINO_ARM_V7 -DARDUINO_ARCH_MRAA -DARDUINO_LINUX "-I/home/ubuntu/opt/cores/arduino/mraa/cores/linux" "-I/home/ubuntu/opt/cores/arduino/mraa/variants/linux-armv7" "-I/home/ubuntu/opt/libraries/latest/sevenseg_1_2_1" "-I/home/ubuntu/opt/libraries/latest/dallastemperature_3_8_0" "-I/tmp/321647877/custom/OneWire" "/home/ubuntu/opt/libraries/latest/dallastemperature_3_8_0/DallasTemperature.cpp" -o "/tmp/321647877/build/libraries/dallastemperature_3_8_0/DallasTemperature.cpp.o"
Multiple libraries were found for "DallasTemperature.h"
Used: /home/ubuntu/opt/libraries/latest/dallastemperature_3_8_0
Not used: /home/ubuntu/opt/libraries/latest/max31850_dallastemp_1_0_0
Multiple libraries were found for "OneWire.h"
Used: /tmp/321647877/custom/OneWire
Not used: /home/ubuntu/opt/libraries/latest/onewire_2_3_4
Not used: /home/ubuntu/opt/libraries/latest/max31850_onewire_1_0_1
Using library sevenseg_1_2_1 at version 1.2.1 in folder: /home/ubuntu/opt/libraries/latest/sevenseg_1_2_1
Using library dallastemperature_3_8_0 at version 3.8.0 in folder: /home/ubuntu/opt/libraries/latest/dallastemperature_3_8_0
Using library OneWire at version 2.3.2 in folder: /tmp/321647877/custom/OneWire
/home/ubuntu/opt/libraries/latest/dallastemperature_3_8_0/DallasTemperature.cpp: In member function 'void DallasTemperature::begin()':
/home/ubuntu/opt/libraries/latest/dallastemperature_3_8_0/DallasTemperature.cpp:99:67: error: 'max' was not declared in this scope
bitResolution = max(bitResolution, getResolution(deviceAddress));
^
/home/ubuntu/opt/libraries/latest/dallastemperature_3_8_0/DallasTemperature.cpp:99:67: note: suggested alternative:
In file included from /home/ubuntu/opt/tools/arm-linux-gcc/4.9.3/arm-linux-gnueabihf/include/c++/4.9.3/bits/char_traits.h:39:0,
from /home/ubuntu/opt/tools/arm-linux-gcc/4.9.3/arm-linux-gnueabihf/include/c++/4.9.3/string:40,
from /home/ubuntu/opt/cores/arduino/mraa/cores/linux/mraa/common.hpp:29,
from /home/ubuntu/opt/cores/arduino/mraa/cores/linux/mraa.hpp:27,
from /home/ubuntu/opt/cores/arduino/mraa/variants/linux-armv7/variant.h:11,
from /home/ubuntu/opt/cores/arduino/mraa/variants/linux-armv7/pins_arduino.h:20,
from /home/ubuntu/opt/cores/arduino/mraa/cores/linux/Arduino.h:4,
from /tmp/321647877/custom/OneWire/OneWire.h:7,
from /home/ubuntu/opt/libraries/latest/dallastemperature_3_8_0/DallasTemperature.h:22,
from /home/ubuntu/opt/libraries/latest/dallastemperature_3_8_0/DallasTemperature.cpp:6:
/home/ubuntu/opt/tools/arm-linux-gcc/4.9.3/arm-linux-gnueabihf/include/c++/4.9.3/bits/stl_algobase.h:261:5: note: 'std::max'
max(const _Tp& __a, const _Tp& __b, _Compare __comp)
^
/home/ubuntu/opt/libraries/latest/dallastemperature_3_8_0/DallasTemperature.cpp: In member function 'bool DallasTemperature::setResolution(const uint8_t*, uint8_t, bool)':
/home/ubuntu/opt/libraries/latest/dallastemperature_3_8_0/DallasTemperature.cpp:278:52: error: 'max' was not declared in this scope
bitResolution = max(bitResolution, newResolution);
^
/home/ubuntu/opt/libraries/latest/dallastemperature_3_8_0/DallasTemperature.cpp:278:52: note: suggested alternative:
In file included from /home/ubuntu/opt/tools/arm-linux-gcc/4.9.3/arm-linux-gnueabihf/include/c++/4.9.3/bits/char_traits.h:39:0,
from /home/ubuntu/opt/tools/arm-linux-gcc/4.9.3/arm-linux-gnueabihf/include/c++/4.9.3/string:40,
from /home/ubuntu/opt/cores/arduino/mraa/cores/linux/mraa/common.hpp:29,
from /home/ubuntu/opt/cores/arduino/mraa/cores/linux/mraa.hpp:27,
from /home/ubuntu/opt/cores/arduino/mraa/variants/linux-armv7/variant.h:11,
from /home/ubuntu/opt/cores/arduino/mraa/variants/linux-armv7/pins_arduino.h:20,
from /home/ubuntu/opt/cores/arduino/mraa/cores/linux/Arduino.h:4,
from /tmp/321647877/custom/OneWire/OneWire.h:7,
from /home/ubuntu/opt/libraries/latest/dallastemperature_3_8_0/DallasTemperature.h:22,
from /home/ubuntu/opt/libraries/latest/dallastemperature_3_8_0/DallasTemperature.cpp:6:
/home/ubuntu/opt/tools/arm-linux-gcc/4.9.3/arm-linux-gnueabihf/include/c++/4.9.3/bits/stl_algobase.h:261:5: note: 'std::max'
max(const _Tp& __a, const _Tp& __b, _Compare __comp)
^
exit status 1
Moderator edit: code and error inline
error.doc (34.5 KB)
test.ino (552 Bytes)