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Add macro for portInputRegister() #211

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Merged
merged 2 commits into from
Nov 15, 2020
Merged

Add macro for portInputRegister() #211

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48d50eb
Add macro for `portInputRegister()`
Nov 15, 2020
2d2eece
Update `CHANGELOG.md`
Nov 15, 2020
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2 changes: 1 addition & 1 deletion CHANGELOG.md
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Expand Up @@ -8,7 +8,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
## [Unreleased]
### Added
- `arduino_ci_remote.rb` CLI switch `--skip-examples-compilation`
- Add support for `diditalPinToPort()`, `digitalPinToBitMask()`, and `portOutputRegister()`
- Add support for `diditalPinToPort()`, `digitalPinToBitMask()`, `portOutputRegister()`, and `portInputRegister()`
- `CppLibrary.header_files` to find header files
- `LibraryProperties` to read metadata from Arduino libraries
- `CppLibrary.library_properties_path`, `CppLibrary.library_properties?`, `CppLibrary.library_properties` to expose library properties of a Cpp library
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17 changes: 17 additions & 0 deletions SampleProjects/TestSomething/test/outputRegister.cpp
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Expand Up @@ -21,6 +21,23 @@ unittest(portOutputRegister)
*(ss_pin_reg) |= ss_pin_mask; // clear SS
assertEqual((int) 1, (int) *ss_pin_reg); // verify value
}

unittest(portInputRegister)
{
uint8_t ss_pin = 12;
uint8_t ss_port = digitalPinToPort(ss_pin);
assertEqual(12, ss_port);
uint8_t *ss_pin_reg = portInputRegister(ss_port);
assertEqual(GODMODE()->pMmapPort(ss_port), ss_pin_reg);
uint8_t ss_pin_mask = digitalPinToBitMask(ss_pin);
assertEqual(1, ss_pin_mask);

assertEqual((int) 1, (int) *ss_pin_reg); // verify initial value
*(ss_pin_reg) &= ~ss_pin_mask; // set SS
assertEqual((int) 0, (int) *ss_pin_reg); // verify value
*(ss_pin_reg) |= ss_pin_mask; // clear SS
assertEqual((int) 1, (int) *ss_pin_reg); // verify value
}
#endif

unittest_main()
1 change: 1 addition & 0 deletions cpp/arduino/Godmode.h
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Expand Up @@ -182,6 +182,7 @@ inline void noTone(uint8_t _pin) {}
#if defined(__AVR__)
#define digitalPinToBitMask(pin) (1)
#define digitalPinToPort(pin) (pin)
#define portInputRegister(port) (GODMODE()->pMmapPort(port))
#define portOutputRegister(port) (GODMODE()->pMmapPort(port))
#else
// we don't (yet) support other boards
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