Initial Refleks Lite hardware and firmware release

2026-09-03 16:38:04 +03:00
commit 6e552c2ef1
146 changed files with 92135 additions and 0 deletions
--- a/arcadestick_software/Core/Src/dinput_app.c
+++ b/arcadestick_software/Core/Src/dinput_app.c
@@ -0,0 +1,66 @@
+#include "dinput_app.h"
+
+#include "main.h"
+#include "usb_device.h"
+#include "usbd_dinput.h"
+
+typedef struct __attribute__((packed))
+{
+  uint16_t buttons;
+  uint8_t hat;
+  uint8_t axes[6];
+} DInputReport;
+
+_Static_assert(sizeof(DInputReport) == DINPUT_REPORT_SIZE,
+               "DInput input report must be exactly 9 bytes");
+
+extern USBD_HandleTypeDef hUsbDeviceFS;
+
+static uint8_t IsPressed(GPIO_TypeDef *port, uint16_t pin)
+{
+  return (HAL_GPIO_ReadPin(port, pin) == GPIO_PIN_RESET) ? 1U : 0U;
+}
+
+static uint8_t ReadHat(void)
+{
+  uint8_t up = IsPressed(UP_GPIO_Port, UP_Pin);
+  uint8_t down = IsPressed(DOWN_GPIO_Port, DOWN_Pin);
+  uint8_t left = IsPressed(LEFT_GPIO_Port, LEFT_Pin);
+  uint8_t right = IsPressed(RIGHT_GPIO_Port, RIGHT_Pin);
+
+  if (up && right && !down && !left) return 1U;
+  if (down && right && !up && !left) return 3U;
+  if (down && left && !up && !right) return 5U;
+  if (up && left && !down && !right) return 7U;
+  if (up && !down && !left && !right) return 0U;
+  if (right && !up && !down && !left) return 2U;
+  if (down && !up && !left && !right) return 4U;
+  if (left && !up && !down && !right) return 6U;
+  return 8U;
+}
+
+void DInput_AppProcess(void)
+{
+  DInputReport report =
+  {
+    .buttons = 0U,
+    .hat = 8U,
+    .axes = {0x80U, 0x80U, 0x80U, 0x80U, 0x80U, 0x80U}
+  };
+
+  report.hat = ReadHat();
+  if (IsPressed(X_GPIO_Port, X_Pin))           report.buttons |= (1U << 0);
+  if (IsPressed(Y_GPIO_Port, Y_Pin))           report.buttons |= (1U << 1);
+  if (IsPressed(A_GPIO_Port, A_Pin))           report.buttons |= (1U << 2);
+  if (IsPressed(B_GPIO_Port, B_Pin))           report.buttons |= (1U << 3);
+  if (IsPressed(RB_GPIO_Port, RB_Pin))         report.buttons |= (1U << 4);
+  if (IsPressed(LB_GPIO_Port, LB_Pin))         report.buttons |= (1U << 5);
+  if (IsPressed(RT_GPIO_Port, RT_Pin))         report.buttons |= (1U << 6);
+  if (IsPressed(LT_GPIO_Port, LT_Pin))         report.buttons |= (1U << 7);
+  if (IsPressed(Start_GPIO_Port, Start_Pin))   report.buttons |= (1U << 8);
+  if (IsPressed(Select_GPIO_Port, Select_Pin)) report.buttons |= (1U << 9);
+
+  (void)USBD_DINPUT_SendReport(&hUsbDeviceFS,
+                               (uint8_t *)&report,
+                               sizeof(report));
+}