server extensions

move gpio and visa extensions to extensions folder
2026-10-27 06:01:14 +01:00 · 2026-02-14 14:32:43 +01:00
parent cf3aa22164
commit 2e1d461026
9 changed files with 14 additions and 74 deletions
@@ -0,0 +1,84 @@
+#include "gpio.hpp"
+#include "spdlog/spdlog.h"
+#include <filesystem>
+
+GPIO::GPIO(QObject *parent) : QObject(parent), m_offset(0)
+{
+}
+
+GPIO::~GPIO()
+{
+#if defined(__linux__) && (defined(__aarch64__) || defined(__x86_64__))
+    if (!m_request.get())
+        return;
+    m_request->release();
+#endif
+}
+
+void GPIO::configure_pin(Direction dir, uint8_t gpio)
+{
+#if defined(__linux__) && (defined(__aarch64__) || defined(__x86_64__))
+    if (m_request.get() != nullptr)
+        return;
+    std::filesystem::path chip_path("/dev/gpiochip0");
+    m_offset = gpio;
+    if (dir == Direction::Output)
+    {
+        try
+        {
+            m_request = std::make_unique<gpiod::line_request>(
+                ::gpiod::chip(chip_path)
+                    .prepare_request()
+                    .set_consumer("unisim_cpp")
+                    .add_line_settings(m_offset,
+                                       ::gpiod::line_settings().set_direction(::gpiod::line::direction::OUTPUT))
+                    .do_request());
+        }
+        catch (...)
+        {
+            SPDLOG_CRITICAL("Could not set gpio {} as output, run binary as root", gpio);
+        }
+    }
+    if (dir == Direction::Input)
+    {
+        try
+        {
+            m_request = std::make_unique<gpiod::line_request>(
+                ::gpiod::chip(chip_path)
+                    .prepare_request()
+                    .set_consumer("unisim_cpp")
+                    .add_line_settings(m_offset,
+                                       ::gpiod::line_settings().set_direction(::gpiod::line::direction::INPUT))
+                    .do_request());
+        }
+        catch (...)
+        {
+            SPDLOG_CRITICAL("Could not set gpio {} as input, run binary as root", gpio);
+        }
+    }
+#else
+    Q_UNUSED(dir);
+    Q_UNUSED(gpio);
+#endif
+}
+void GPIO::set_value(bool value)
+{
+#if defined(__linux__) && (defined(__aarch64__) || defined(__x86_64__))
+    if (!m_request.get())
+        return;
+    m_request->set_value(m_offset, (gpiod::line::value)value);
+#else
+    Q_UNUSED(value);
+#endif
+}
+
+bool GPIO::value()
+{
+#if defined(__linux__) && (defined(__aarch64__) || defined(__x86_64__))
+    if (!m_request.get())
+        return false;
+    return (bool)m_request->get_value(m_offset);
+#else
+    return 0;
+#endif
+}