Xteink-X4-crosspoint-reader/src/MappedInputManager.cpp
Xuan-Son Nguyen da4d3b5ea5
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feat: add HalDisplay and HalGPIO (#522)
## Summary

Extracted some changes from
https://github.com/crosspoint-reader/crosspoint-reader/pull/500 to make
reviewing easier

This PR adds HAL (Hardware Abstraction Layer) for display and GPIO
components, making it easier to write a stub or an emulated
implementation of the hardware.

SD card HAL will be added via another PR, because it's a bit more
tricky.

---

### AI Usage

While CrossPoint doesn't have restrictions on AI tools in contributing,
please be transparent about their usage as it
helps set the right context for reviewers.

Did you use AI tools to help write this code? **NO**
2026-01-28 04:50:15 +11:00

92 lines
3.3 KiB
C++

#include "MappedInputManager.h"
#include "CrossPointSettings.h"
namespace {
using ButtonIndex = uint8_t;
struct FrontLayoutMap {
ButtonIndex back;
ButtonIndex confirm;
ButtonIndex left;
ButtonIndex right;
};
struct SideLayoutMap {
ButtonIndex pageBack;
ButtonIndex pageForward;
};
// Order matches CrossPointSettings::FRONT_BUTTON_LAYOUT.
constexpr FrontLayoutMap kFrontLayouts[] = {
{HalGPIO::BTN_BACK, HalGPIO::BTN_CONFIRM, HalGPIO::BTN_LEFT, HalGPIO::BTN_RIGHT},
{HalGPIO::BTN_LEFT, HalGPIO::BTN_RIGHT, HalGPIO::BTN_BACK, HalGPIO::BTN_CONFIRM},
{HalGPIO::BTN_CONFIRM, HalGPIO::BTN_LEFT, HalGPIO::BTN_BACK, HalGPIO::BTN_RIGHT},
{HalGPIO::BTN_BACK, HalGPIO::BTN_CONFIRM, HalGPIO::BTN_RIGHT, HalGPIO::BTN_LEFT},
};
// Order matches CrossPointSettings::SIDE_BUTTON_LAYOUT.
constexpr SideLayoutMap kSideLayouts[] = {
{HalGPIO::BTN_UP, HalGPIO::BTN_DOWN},
{HalGPIO::BTN_DOWN, HalGPIO::BTN_UP},
};
} // namespace
bool MappedInputManager::mapButton(const Button button, bool (HalGPIO::*fn)(uint8_t) const) const {
const auto frontLayout = static_cast<CrossPointSettings::FRONT_BUTTON_LAYOUT>(SETTINGS.frontButtonLayout);
const auto sideLayout = static_cast<CrossPointSettings::SIDE_BUTTON_LAYOUT>(SETTINGS.sideButtonLayout);
const auto& front = kFrontLayouts[frontLayout];
const auto& side = kSideLayouts[sideLayout];
switch (button) {
case Button::Back:
return (gpio.*fn)(front.back);
case Button::Confirm:
return (gpio.*fn)(front.confirm);
case Button::Left:
return (gpio.*fn)(front.left);
case Button::Right:
return (gpio.*fn)(front.right);
case Button::Up:
return (gpio.*fn)(HalGPIO::BTN_UP);
case Button::Down:
return (gpio.*fn)(HalGPIO::BTN_DOWN);
case Button::Power:
return (gpio.*fn)(HalGPIO::BTN_POWER);
case Button::PageBack:
return (gpio.*fn)(side.pageBack);
case Button::PageForward:
return (gpio.*fn)(side.pageForward);
}
return false;
}
bool MappedInputManager::wasPressed(const Button button) const { return mapButton(button, &HalGPIO::wasPressed); }
bool MappedInputManager::wasReleased(const Button button) const { return mapButton(button, &HalGPIO::wasReleased); }
bool MappedInputManager::isPressed(const Button button) const { return mapButton(button, &HalGPIO::isPressed); }
bool MappedInputManager::wasAnyPressed() const { return gpio.wasAnyPressed(); }
bool MappedInputManager::wasAnyReleased() const { return gpio.wasAnyReleased(); }
unsigned long MappedInputManager::getHeldTime() const { return gpio.getHeldTime(); }
MappedInputManager::Labels MappedInputManager::mapLabels(const char* back, const char* confirm, const char* previous,
const char* next) const {
const auto layout = static_cast<CrossPointSettings::FRONT_BUTTON_LAYOUT>(SETTINGS.frontButtonLayout);
switch (layout) {
case CrossPointSettings::LEFT_RIGHT_BACK_CONFIRM:
return {previous, next, back, confirm};
case CrossPointSettings::LEFT_BACK_CONFIRM_RIGHT:
return {previous, back, confirm, next};
case CrossPointSettings::BACK_CONFIRM_RIGHT_LEFT:
return {back, confirm, next, previous};
case CrossPointSettings::BACK_CONFIRM_LEFT_RIGHT:
default:
return {back, confirm, previous, next};
}
}