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Merge pull request #1027 from kegilbert/remove-migration-example3
Remove migration guide example that no longer fails
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‎docs/tutorials/migrate-from-mbed-os-2-to-5.md

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@@ -165,182 +165,6 @@ int main() {
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Now, the program successfully compiles.
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#### Example component 3 - library fails to compile
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Repositories used in this example:
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- Component: [CN0357 - Toxic gas measurement](https://os.mbed.com/components/CN0357-Toxic-gas-measurement/).
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- Hello World repo: [CN0357-helloworld](https://os.mbed.com/teams/AnalogDevices/code/CN0357-helloworld/).
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Compile configuration used in this example:
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- Platform: [FRDM-K64F](https://os.mbed.com/platforms/FRDM-K64F/).
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- Toolchain: [GCC ARM](https://developer.arm.com/open-source/gnu-toolchain/gnu-rm/downloads).
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In the command-line, run:
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```
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mbed import http://mbed.org/teams/AnalogDevices/code/CN0357-helloworld/
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cd CN0357-helloworld
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mbed remove mbed
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mbed add mbed-os
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mbed compile -m k64f -t gcc_arm
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```
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##### Compilation errors
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After you have cloned the repository to your computer and deployed the latest version of Mbed OS, check whether any compilation errors exist.
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Here is the output produced from `mbed compile`:
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```
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Building project CN0357-helloworld (K64F, GCC_ARM)
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Scan: .
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Scan: mbed
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Scan: env
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Scan: FEATURE_LWIP
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Scan: FEATURE_STORAGE
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Compile [ 0.3%]: AD5270.cpp
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[Error] AD5270.h@91,25: 'SPI_CS' was not declared in this scope
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[Error] AD5270.h@91,80: 'SPI_MOSI' was not declared in this scope
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[Error] AD5270.h@91,105: 'SPI_MISO' was not declared in this scope
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[Error] AD5270.h@91,129: 'SPI_SCK' was not declared in this scope
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[ERROR] In file included from ./CN0357/AD5270/AD5270.cpp:50:0:
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./CN0357/AD5270/AD5270.h:91:25: error: 'SPI_CS' was not declared in this scope
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AD5270(PinName CS = SPI_CS, float max_resistance = 20000.0, PinName MOSI = SPI_MOSI, PinName MISO = SPI_MISO, PinName SCK = SPI_SCK);
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^~~~~~
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./CN0357/AD5270/AD5270.h:91:80: error: 'SPI_MOSI' was not declared in this scope
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AD5270(PinName CS = SPI_CS, float max_resistance = 20000.0, PinName MOSI = SPI_MOSI, PinName MISO = SPI_MISO, PinName SCK = SPI_SCK);
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^~~~~~~~
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./CN0357/AD5270/AD5270.h:91:105: error: 'SPI_MISO' was not declared in this scope
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AD5270(PinName CS = SPI_CS, float max_resistance = 20000.0, PinName MOSI = SPI_MOSI, PinName MISO = SPI_MISO, PinName SCK = SPI_SCK);
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^~~~~~~~
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In file included from ./CN0357/AD5270/AD5270.cpp:50:0:
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./CN0357/AD5270/AD5270.h:91:129: error: 'SPI_SCK' was not declared in this scope
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AD5270(PinName CS = SPI_CS, float max_resistance = 20000.0, PinName MOSI = SPI_MOSI, PinName MISO = SPI_MISO, PinName SCK = SPI_SCK);
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^~~~~~~
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[mbed] ERROR: "/usr/local/opt/python/bin/python2.7" returned error code 1.
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[mbed] ERROR: Command "/usr/local/opt/python/bin/python2.7 -u /Users/jenplu01/Repos/CN0357-helloworld/mbed-os/tools/make.py -t gcc_arm -m k64f --source . --build ./BUILD/k64f/gcc_arm" in "/Users/jenplu01/Repos/CN0357-helloworld"
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---
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```
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The errors relating to "was not declared in this scope" are library-specific errors. To fix this, go into the `./CN0357/AD5270/AD5270.h` header file and remove the constructor's default arguments. Line 91 of the `AD5270.h` header file now looks like this:
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```
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AD5270(PinName CS, float max_resistance, PinName MOSI, PinName MISO, PinName SCK);
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```
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Run `mbed compile` again:
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```
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Building project CN0357-helloworld (K64F, GCC_ARM)
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Scan: .
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Scan: mbed
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Scan: env
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Scan: FEATURE_LWIP
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Scan: FEATURE_STORAGE
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Compile [ 2.5%]: main.cpp
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[Error] AD7790.h@114,51: 'SPI_CS' was not declared in this scope
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[Error] AD7790.h@114,74: 'SPI_MOSI' was not declared in this scope
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[Error] AD7790.h@114,99: 'SPI_MISO' was not declared in this scope
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[Error] AD7790.h@114,123: 'SPI_SCK' was not declared in this scope
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[Error] CN0357.h@77,73: 'SPI_MOSI' was not declared in this scope
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[Error] CN0357.h@77,98: 'SPI_MISO' was not declared in this scope
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[Error] CN0357.h@77,122: 'SPI_SCK' was not declared in this scope
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[Error] main.cpp@111,12: call to 'CN0357::CN0357(PinName, PinName, PinName, PinName, PinName)' uses the default argument for parameter 3, which is not yet defined
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[Error] main.cpp@111,0: call to 'CN0357::CN0357(PinName, PinName, PinName, PinName, PinName)' uses the default argument for parameter 4, which is not yet defined
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[Error] main.cpp@111,0: call to 'CN0357::CN0357(PinName, PinName, PinName, PinName, PinName)' uses the default argument for parameter 5, which is not yet defined
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[ERROR] In file included from ./CN0357/CN0357.h:52:0,
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from ./main.cpp:48:
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./CN0357/AD7790/AD7790.h:114:51: error: 'SPI_CS' was not declared in this scope
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AD7790( float reference_voltage, PinName CS = SPI_CS, PinName MOSI = SPI_MOSI, PinName MISO = SPI_MISO, PinName SCK = SPI_SCK);
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^~~~~~
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./CN0357/AD7790/AD7790.h:114:74: error: 'SPI_MOSI' was not declared in this scope
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AD7790( float reference_voltage, PinName CS = SPI_CS, PinName MOSI = SPI_MOSI, PinName MISO = SPI_MISO, PinName SCK = SPI_SCK);
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^~~~~~~~
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./CN0357/AD7790/AD7790.h:114:99: error: 'SPI_MISO' was not declared in this scope
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AD7790( float reference_voltage, PinName CS = SPI_CS, PinName MOSI = SPI_MOSI, PinName MISO = SPI_MISO, PinName SCK = SPI_SCK);
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^~~~~~~~
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./CN0357/AD7790/AD7790.h:114:123: error: 'SPI_SCK' was not declared in this scope
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AD7790( float reference_voltage, PinName CS = SPI_CS, PinName MOSI = SPI_MOSI, PinName MISO = SPI_MISO, PinName SCK = SPI_SCK);
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^~~~~~~
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In file included from ./main.cpp:48:0:
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./CN0357/CN0357.h:77:73: error: 'SPI_MOSI' was not declared in this scope
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CN0357(PinName CSAD7790 = D8, PinName CSAD5270 = D6, PinName MOSI = SPI_MOSI, PinName MISO = SPI_MISO, PinName SCK = SPI_SCK);
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^~~~~~~~
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./CN0357/CN0357.h:77:98: error: 'SPI_MISO' was not declared in this scope
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CN0357(PinName CSAD7790 = D8, PinName CSAD5270 = D6, PinName MOSI = SPI_MOSI, PinName MISO = SPI_MISO, PinName SCK = SPI_SCK);
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^~~~~~~~
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./CN0357/CN0357.h:77:122: error: 'SPI_SCK' was not declared in this scope
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CN0357(PinName CSAD7790 = D8, PinName CSAD5270 = D6, PinName MOSI = SPI_MOSI, PinName MISO = SPI_MISO, PinName SCK = SPI_SCK);
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^~~~~~~
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./main.cpp: In function 'int main()':
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./main.cpp:111:12: error: call to 'CN0357::CN0357(PinName, PinName, PinName, PinName, PinName)' uses the default argument for parameter 3, which is not yet defined
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CN0357 cn0357;
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^~~~~~
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./main.cpp:111:12: error: call to 'CN0357::CN0357(PinName, PinName, PinName, PinName, PinName)' uses the default argument for parameter 4, which is not yet defined
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./main.cpp:111:12: error: call to 'CN0357::CN0357(PinName, PinName, PinName, PinName, PinName)' uses the default argument for parameter 5, which is not yet defined
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[mbed] ERROR: "/usr/local/opt/python/bin/python2.7" returned error code 1.
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[mbed] ERROR: Command "/usr/local/opt/python/bin/python2.7 -u /Users/jenplu01/Repos/temp/CN0357-helloworld/mbed-os/tools/make.py -t gcc_arm -m k64f --source . --build ./BUILD/k64f/gcc_arm" in "/Users/jenplu01/Repos/temp/CN0357-helloworld"
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---
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```
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Notice that the `./CN0357/AD7790/AD7790.h` and `./CN0357/CN0357.h` header files also have similar "was not declared in this scope" errors. You need to remove the constructor's default arguments again in both files.
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Line 114 of the `AD7790.h` header file now looks like this:
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```
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AD7790(float reference_voltage, PinName CS, PinName MOSI, PinName MISO, PinName SCK);
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```
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Line 77 of the `CN0357.h` header file now looks like this:
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```
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CN0357(PinName CSAD7790, PinName CSAD5270, PinName MOSI, PinName MISO, PinName SCK);
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```
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Run `mbed compile` once again. You now have the following errors:
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```
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Building project CN0357-helloworld (K64F, GCC_ARM)
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Scan: .
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Scan: mbed
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Scan: env
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Scan: FEATURE_LWIP
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Scan: FEATURE_STORAGE
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Compile [ 5.1%]: Ticker.cpp
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Compile [ 5.4%]: Timeout.cpp
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Compile [ 5.6%]: main.cpp
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[Error] main.cpp@111,12: no matching function for call to 'CN0357::CN0357()'
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[ERROR] ./main.cpp: In function 'int main()':
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./main.cpp:111:12: error: no matching function for call to 'CN0357::CN0357()'
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CN0357 cn0357;
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^~~~~~
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In file included from ./main.cpp:48:0:
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./CN0357/CN0357.h:77:5: note: candidate: CN0357::CN0357(PinName, PinName, PinName, PinName, PinName)
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CN0357(PinName CSAD7790, PinName CSAD5270, PinName MOSI, PinName MISO, PinName SCK);
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^~~~~~
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./CN0357/CN0357.h:77:5: note: candidate expects 5 arguments, 0 provided
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./CN0357/CN0357.h:58:7: note: candidate: CN0357::CN0357(const CN0357&)
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class CN0357
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^~~~~~
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./CN0357/CN0357.h:58:7: note: candidate expects 1 argument, 0 provided
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[mbed] ERROR: "/usr/local/opt/python/bin/python2.7" returned error code 1.
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[mbed] ERROR: Command "/usr/local/opt/python/bin/python2.7 -u /Users/jenplu01/Repos/temp/CN0357-helloworld/mbed-os/tools/make.py -t gcc_arm -m k64f --source . --build ./BUILD/k64f/gcc_arm" in "/Users/jenplu01/Repos/temp/CN0357-helloworld"
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---
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```
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These errors are now due to the CN0357 variable in `main.cpp` no longer having sufficient arguments. Go into `main.cpp`, and modify the initialization of the `CN0357 cn0357;` variable on line 111 to include the K64F's pin names. Line 111 now looks like this:
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```
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CN0357 cn0357(D8, D6, D11, D12, D13); // CSAD7790, CSAD5270, MOSI, MISO, SCK
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```
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Now, the program successfully compiles.
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### Runtime errors
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Although the program or library now compiles successfully, runtime errors may still be present. Please visit the [compile-time errors tutorial](compile-time-errors.html#runtime-errors-and-lights-of-the-dead) for further debugging tips about common errors.

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