531 lines
17 KiB
C
531 lines
17 KiB
C
/* USER CODE BEGIN Header */
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/**
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******************************************************************************
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* @file : main.c
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* @brief : Main program body
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2026 STMicroelectronics.
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* All rights reserved.
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*
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* This software is licensed under terms that can be found in the LICENSE file
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* in the root directory of this software component.
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* If no LICENSE file comes with this software, it is provided AS-IS.
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*
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******************************************************************************
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*/
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/* USER CODE END Header */
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/* Includes ------------------------------------------------------------------*/
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#include "main.h"
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#include "usb_device.h"
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/* Private includes ----------------------------------------------------------*/
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/* USER CODE BEGIN Includes */
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#include "usbd_core.h"
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#ifdef REFLEKS_XINPUT
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#include "xinput_app.h"
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#else
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#include "dinput_app.h"
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#endif
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/* USER CODE END Includes */
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/* Private typedef -----------------------------------------------------------*/
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/* USER CODE BEGIN PTD */
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/* USER CODE END PTD */
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/* Private define ------------------------------------------------------------*/
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/* USER CODE BEGIN PD */
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#define MODE_SWITCH_DEBOUNCE_MS 50U
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#define USB_DISCONNECT_DELAY_MS 100U
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/* USER CODE END PD */
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/* Private macro -------------------------------------------------------------*/
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/* USER CODE BEGIN PM */
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/* USER CODE END PM */
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/* Private variables ---------------------------------------------------------*/
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/* USER CODE BEGIN PV */
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static uint32_t modeSwitchChangedAt;
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static uint8_t modeSwitchChangePending;
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/* USER CODE END PV */
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/* Private function prototypes -----------------------------------------------*/
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void SystemClock_Config(void);
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static void MX_GPIO_Init(void);
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/* USER CODE BEGIN PFP */
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static void ModeSwitch_Process(void);
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/* USER CODE END PFP */
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/* Private user code ---------------------------------------------------------*/
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/* USER CODE BEGIN 0 */
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extern USBD_HandleTypeDef hUsbDeviceFS;
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#if 0 /* Replaced by dinput_app.c; kept inside CubeMX user section only. */
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typedef struct
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{
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uint8_t dpad; // D-pad (4 bit) [Up, Down, Left, Right]
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uint8_t buttonLSB; // Buton 1-8 (1 bit)
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uint8_t buttonMSB; // Buton 9-10 (1 bit)
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} __attribute__((packed)) gamePAD;
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gamePAD gamepad = {0};
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#endif
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/* USER CODE END 0 */
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/**
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* @brief The application entry point.
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* @retval int
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*/
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int main(void)
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{
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/* USER CODE BEGIN 1 */
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#ifdef APP_VECTOR_ADDRESS
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/* Relocated applications must own all interrupts before HAL starts SysTick. */
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SCB->VTOR = APP_VECTOR_ADDRESS;
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__DSB();
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__ISB();
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#endif
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/* USER CODE END 1 */
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/* MCU Configuration--------------------------------------------------------*/
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/* Reset of all peripherals, Initializes the Flash interface and the Systick. */
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HAL_Init();
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/* USER CODE BEGIN Init */
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/* USER CODE END Init */
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/* Configure the system clock */
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SystemClock_Config();
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/* USER CODE BEGIN SysInit */
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/* USER CODE END SysInit */
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/* Initialize all configured peripherals */
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MX_GPIO_Init();
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MX_USB_DEVICE_Init();
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/* USER CODE BEGIN 2 */
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/* USER CODE END 2 */
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/* Infinite loop */
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/* USER CODE BEGIN WHILE */
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while (1)
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{
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/* USER CODE END WHILE */
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/* USER CODE BEGIN 3 */
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ModeSwitch_Process();
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#ifdef REFLEKS_XINPUT
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XInput_AppProcess();
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#else
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DInput_AppProcess();
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#if 0 /* Legacy 3-byte HID loop. */
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if(HAL_GPIO_ReadPin(UP_GPIO_Port, UP_Pin) == GPIO_PIN_SET &&
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HAL_GPIO_ReadPin(RIGHT_GPIO_Port, RIGHT_Pin) == GPIO_PIN_SET &&
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HAL_GPIO_ReadPin(DOWN_GPIO_Port, DOWN_Pin) == GPIO_PIN_SET &&
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HAL_GPIO_ReadPin(LEFT_GPIO_Port, LEFT_Pin) == GPIO_PIN_SET)
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{
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gamepad.dpad = 8;
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//centre
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}
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else if(HAL_GPIO_ReadPin(UP_GPIO_Port, UP_Pin) == GPIO_PIN_RESET &&
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HAL_GPIO_ReadPin(RIGHT_GPIO_Port, RIGHT_Pin) == GPIO_PIN_RESET)
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{
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HAL_Delay(5);
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if(HAL_GPIO_ReadPin(UP_GPIO_Port, UP_Pin) == GPIO_PIN_RESET &&
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HAL_GPIO_ReadPin(RIGHT_GPIO_Port, RIGHT_Pin) == GPIO_PIN_RESET)
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{
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gamepad.dpad = 1;
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//up-right
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}
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}
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else if(HAL_GPIO_ReadPin(DOWN_GPIO_Port, DOWN_Pin) == GPIO_PIN_RESET &&
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HAL_GPIO_ReadPin(RIGHT_GPIO_Port, RIGHT_Pin) == GPIO_PIN_RESET)
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{
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HAL_Delay(5);
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if(HAL_GPIO_ReadPin(DOWN_GPIO_Port, DOWN_Pin) == GPIO_PIN_RESET &&
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HAL_GPIO_ReadPin(RIGHT_GPIO_Port, RIGHT_Pin) == GPIO_PIN_RESET)
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{
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gamepad.dpad = 3;
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//down-right
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}
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}
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else if(HAL_GPIO_ReadPin(DOWN_GPIO_Port, DOWN_Pin) == GPIO_PIN_RESET &&
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HAL_GPIO_ReadPin(LEFT_GPIO_Port, LEFT_Pin) == GPIO_PIN_RESET)
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{
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HAL_Delay(5);
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if(HAL_GPIO_ReadPin(DOWN_GPIO_Port, DOWN_Pin) == GPIO_PIN_RESET &&
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HAL_GPIO_ReadPin(LEFT_GPIO_Port, LEFT_Pin) == GPIO_PIN_RESET)
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{
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gamepad.dpad = 5;
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//down-left
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}
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}
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else if(HAL_GPIO_ReadPin(UP_GPIO_Port, UP_Pin) == GPIO_PIN_RESET &&
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HAL_GPIO_ReadPin(LEFT_GPIO_Port, LEFT_Pin) == GPIO_PIN_RESET)
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{
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HAL_Delay(5);
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if(HAL_GPIO_ReadPin(UP_GPIO_Port, UP_Pin) == GPIO_PIN_RESET &&
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HAL_GPIO_ReadPin(LEFT_GPIO_Port, LEFT_Pin) == GPIO_PIN_RESET)
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{
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gamepad.dpad = 7;
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//up-left
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}
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}
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else if(HAL_GPIO_ReadPin(UP_GPIO_Port, UP_Pin) == GPIO_PIN_RESET)
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{
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HAL_Delay(5);
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if(HAL_GPIO_ReadPin(UP_GPIO_Port, UP_Pin) == GPIO_PIN_RESET)
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{
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gamepad.dpad = 0;
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//up
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}
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}
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else if(HAL_GPIO_ReadPin(DOWN_GPIO_Port, DOWN_Pin) == GPIO_PIN_RESET)
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{
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HAL_Delay(5);
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if(HAL_GPIO_ReadPin(DOWN_GPIO_Port, DOWN_Pin) == GPIO_PIN_RESET)
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{
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gamepad.dpad = 4;
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//down
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}
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}
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else if(HAL_GPIO_ReadPin(LEFT_GPIO_Port, LEFT_Pin) == GPIO_PIN_RESET)
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{
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HAL_Delay(5);
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if(HAL_GPIO_ReadPin(LEFT_GPIO_Port, LEFT_Pin) == GPIO_PIN_RESET)
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{
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gamepad.dpad = 6;
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//left
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}
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}
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else if(HAL_GPIO_ReadPin(RIGHT_GPIO_Port, RIGHT_Pin) == GPIO_PIN_RESET)
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{
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HAL_Delay(5);
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if(HAL_GPIO_ReadPin(RIGHT_GPIO_Port, RIGHT_Pin) == GPIO_PIN_RESET)
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{
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gamepad.dpad = 2;
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//right
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}
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}
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USBD_HID_SendReport(&hUsbDeviceFS, (uint8_t *)&gamepad, sizeof(gamepad));
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if (HAL_GPIO_ReadPin(X_GPIO_Port, X_Pin)== GPIO_PIN_RESET) {
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HAL_Delay(5);
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if (HAL_GPIO_ReadPin(X_GPIO_Port, X_Pin)== GPIO_PIN_RESET) {
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gamepad.buttonLSB |=1 << 0;
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}
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}
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USBD_HID_SendReport(&hUsbDeviceFS, (uint8_t *)&gamepad, sizeof(gamepad));
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if (HAL_GPIO_ReadPin(Y_GPIO_Port, Y_Pin)== GPIO_PIN_RESET) {
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HAL_Delay(5);
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if (HAL_GPIO_ReadPin(Y_GPIO_Port, Y_Pin)== GPIO_PIN_RESET) {
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gamepad.buttonLSB |= 1 << 1;
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}
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}
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USBD_HID_SendReport(&hUsbDeviceFS, (uint8_t *)&gamepad, sizeof(gamepad));
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if (HAL_GPIO_ReadPin(A_GPIO_Port, A_Pin)== GPIO_PIN_RESET) {
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HAL_Delay(5);
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if (HAL_GPIO_ReadPin(A_GPIO_Port, A_Pin)== GPIO_PIN_RESET) {
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gamepad.buttonLSB |= 1 << 2;
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}
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}
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USBD_HID_SendReport(&hUsbDeviceFS, (uint8_t *)&gamepad, sizeof(gamepad));
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if (HAL_GPIO_ReadPin(B_GPIO_Port, B_Pin)== GPIO_PIN_RESET) {
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HAL_Delay(5);
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if (HAL_GPIO_ReadPin(B_GPIO_Port, B_Pin)== GPIO_PIN_RESET) {
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gamepad.buttonLSB |= 1 << 3;
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}
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}
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USBD_HID_SendReport(&hUsbDeviceFS, (uint8_t *)&gamepad, sizeof(gamepad));
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if (HAL_GPIO_ReadPin(RB_GPIO_Port, RB_Pin)== GPIO_PIN_RESET) {
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HAL_Delay(5);
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if (HAL_GPIO_ReadPin(RB_GPIO_Port, RB_Pin)== GPIO_PIN_RESET) {
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gamepad.buttonLSB |= 1 << 4;
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}
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}
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USBD_HID_SendReport(&hUsbDeviceFS, (uint8_t *)&gamepad, sizeof(gamepad));
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if (HAL_GPIO_ReadPin(LB_GPIO_Port, LB_Pin)== GPIO_PIN_RESET) {
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HAL_Delay(5);
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if (HAL_GPIO_ReadPin(LB_GPIO_Port, LB_Pin)== GPIO_PIN_RESET) {
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gamepad.buttonLSB |= 1 << 5;
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}
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}
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USBD_HID_SendReport(&hUsbDeviceFS, (uint8_t *)&gamepad, sizeof(gamepad));
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if (HAL_GPIO_ReadPin(RT_GPIO_Port, RT_Pin)== GPIO_PIN_RESET) {
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HAL_Delay(5);
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if (HAL_GPIO_ReadPin(RT_GPIO_Port, RT_Pin)== GPIO_PIN_RESET) {
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gamepad.buttonLSB |= 1 << 6;
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}
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}
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USBD_HID_SendReport(&hUsbDeviceFS, (uint8_t *)&gamepad, sizeof(gamepad));
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if (HAL_GPIO_ReadPin(LT_GPIO_Port, LT_Pin)== GPIO_PIN_RESET) {
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HAL_Delay(5);
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if (HAL_GPIO_ReadPin(LT_GPIO_Port, LT_Pin)== GPIO_PIN_RESET) {
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gamepad.buttonLSB |= 1 << 7;
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}
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}
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USBD_HID_SendReport(&hUsbDeviceFS, (uint8_t *)&gamepad, sizeof(gamepad));
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if (HAL_GPIO_ReadPin(Start_GPIO_Port, Start_Pin)== GPIO_PIN_RESET) {
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HAL_Delay(5);
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if (HAL_GPIO_ReadPin(Start_GPIO_Port, Start_Pin)== GPIO_PIN_RESET) {
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gamepad.buttonMSB |= 1 << 0;
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}
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}
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USBD_HID_SendReport(&hUsbDeviceFS, (uint8_t *)&gamepad, sizeof(gamepad));
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if (HAL_GPIO_ReadPin(Select_GPIO_Port, Select_Pin)== GPIO_PIN_RESET) {
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HAL_Delay(5);
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if (HAL_GPIO_ReadPin(Select_GPIO_Port, Select_Pin)== GPIO_PIN_RESET) {
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gamepad.buttonMSB |= 1 << 1;
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}
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}
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USBD_HID_SendReport(&hUsbDeviceFS, (uint8_t *)&gamepad, sizeof(gamepad));
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if (HAL_GPIO_ReadPin(X_GPIO_Port, X_Pin)== GPIO_PIN_SET) {
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HAL_Delay(5);
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if (HAL_GPIO_ReadPin(X_GPIO_Port, X_Pin)== GPIO_PIN_SET) {
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gamepad.buttonLSB &= ~(1 << 0);
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}
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}
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USBD_HID_SendReport(&hUsbDeviceFS, (uint8_t *)&gamepad, sizeof(gamepad));
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if (HAL_GPIO_ReadPin(Y_GPIO_Port, Y_Pin)== GPIO_PIN_SET) {
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HAL_Delay(5);
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if (HAL_GPIO_ReadPin(Y_GPIO_Port, Y_Pin)== GPIO_PIN_SET) {
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gamepad.buttonLSB &= ~ (1 << 1);
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}
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}
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USBD_HID_SendReport(&hUsbDeviceFS, (uint8_t *)&gamepad, sizeof(gamepad));
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if (HAL_GPIO_ReadPin(A_GPIO_Port, A_Pin)== GPIO_PIN_SET) {
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HAL_Delay(5);
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if (HAL_GPIO_ReadPin(A_GPIO_Port, A_Pin)== GPIO_PIN_SET) {
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gamepad.buttonLSB &= ~(1 << 2);
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}
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}
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USBD_HID_SendReport(&hUsbDeviceFS, (uint8_t *)&gamepad, sizeof(gamepad));
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if (HAL_GPIO_ReadPin(B_GPIO_Port, B_Pin)== GPIO_PIN_SET) {
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HAL_Delay(5);
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if (HAL_GPIO_ReadPin(B_GPIO_Port, B_Pin)== GPIO_PIN_SET) {
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gamepad.buttonLSB &= ~(1 << 3);
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}
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}
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USBD_HID_SendReport(&hUsbDeviceFS, (uint8_t *)&gamepad, sizeof(gamepad));
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if (HAL_GPIO_ReadPin(RB_GPIO_Port, RB_Pin)== GPIO_PIN_SET) {
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HAL_Delay(5);
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if (HAL_GPIO_ReadPin(RB_GPIO_Port, RB_Pin)== GPIO_PIN_SET) {
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gamepad.buttonLSB &= ~(1 << 4);
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}
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}
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USBD_HID_SendReport(&hUsbDeviceFS, (uint8_t *)&gamepad, sizeof(gamepad));
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if (HAL_GPIO_ReadPin(LB_GPIO_Port, LB_Pin)== GPIO_PIN_SET) {
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HAL_Delay(5);
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if (HAL_GPIO_ReadPin(LB_GPIO_Port, LB_Pin)== GPIO_PIN_SET) {
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gamepad.buttonLSB &= ~(1 << 5);
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}
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}
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USBD_HID_SendReport(&hUsbDeviceFS, (uint8_t *)&gamepad, sizeof(gamepad));
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if (HAL_GPIO_ReadPin(RT_GPIO_Port, RT_Pin)== GPIO_PIN_SET) {
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HAL_Delay(5);
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if (HAL_GPIO_ReadPin(RT_GPIO_Port, RT_Pin)== GPIO_PIN_SET) {
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gamepad.buttonLSB &= ~ (1 << 6);
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}
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}
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USBD_HID_SendReport(&hUsbDeviceFS, (uint8_t *)&gamepad, sizeof(gamepad));
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if (HAL_GPIO_ReadPin(LT_GPIO_Port, LT_Pin)== GPIO_PIN_SET) {
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HAL_Delay(5);
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if (HAL_GPIO_ReadPin(LT_GPIO_Port, LT_Pin)== GPIO_PIN_SET) {
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gamepad.buttonLSB &= ~(1 << 7);
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}
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}
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USBD_HID_SendReport(&hUsbDeviceFS, (uint8_t *)&gamepad, sizeof(gamepad));
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if (HAL_GPIO_ReadPin(Start_GPIO_Port, Start_Pin)== GPIO_PIN_SET) {
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HAL_Delay(5);
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if (HAL_GPIO_ReadPin(Start_GPIO_Port, Start_Pin)== GPIO_PIN_SET) {
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gamepad.buttonMSB &= ~(1 << 0);
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}
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}
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USBD_HID_SendReport(&hUsbDeviceFS, (uint8_t *)&gamepad, sizeof(gamepad));
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if (HAL_GPIO_ReadPin(Select_GPIO_Port, Select_Pin)== GPIO_PIN_SET) {
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HAL_Delay(5);
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if (HAL_GPIO_ReadPin(Select_GPIO_Port, Select_Pin)== GPIO_PIN_SET) {
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gamepad.buttonMSB &= ~(1 << 1);
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}
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}
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USBD_HID_SendReport(&hUsbDeviceFS, (uint8_t *)&gamepad, sizeof(gamepad));
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#endif
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#endif
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}
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/* USER CODE END 3 */
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}
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/**
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* @brief System Clock Configuration
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* @retval None
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*/
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void SystemClock_Config(void)
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{
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RCC_OscInitTypeDef RCC_OscInitStruct = {0};
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RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
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RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};
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/** Initializes the RCC Oscillators according to the specified parameters
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* in the RCC_OscInitTypeDef structure.
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*/
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RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
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RCC_OscInitStruct.HSEState = RCC_HSE_ON;
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RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;
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RCC_OscInitStruct.HSIState = RCC_HSI_ON;
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RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
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RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
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RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9;
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if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
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{
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Error_Handler();
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}
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/** Initializes the CPU, AHB and APB buses clocks
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*/
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RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
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|RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
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RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
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RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
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RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
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RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
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if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
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{
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Error_Handler();
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}
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PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USB;
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PeriphClkInit.UsbClockSelection = RCC_USBCLKSOURCE_PLL_DIV1_5;
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if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
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{
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Error_Handler();
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}
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}
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/**
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* @brief GPIO Initialization Function
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* @param None
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* @retval None
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*/
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static void MX_GPIO_Init(void)
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{
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GPIO_InitTypeDef GPIO_InitStruct = {0};
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/* USER CODE BEGIN MX_GPIO_Init_1 */
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/* USER CODE END MX_GPIO_Init_1 */
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/* GPIO Ports Clock Enable */
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__HAL_RCC_GPIOC_CLK_ENABLE();
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__HAL_RCC_GPIOD_CLK_ENABLE();
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__HAL_RCC_GPIOA_CLK_ENABLE();
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/*Configure GPIO pins : Start_Pin UP_Pin DOWN_Pin RIGHT_Pin
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LEFT_Pin A_Pin B_Pin Y_Pin
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X_Pin RB_Pin RT_Pin LB_Pin
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LT_Pin */
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GPIO_InitStruct.Pin = Start_Pin|UP_Pin|DOWN_Pin|RIGHT_Pin
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|LEFT_Pin|A_Pin|B_Pin|Y_Pin
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|X_Pin|RB_Pin|RT_Pin|LB_Pin
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|LT_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
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GPIO_InitStruct.Pull = GPIO_PULLUP;
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HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
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/*Configure GPIO pins : Select_Pin DINPUT_Pin XINPUT_Pin */
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GPIO_InitStruct.Pin = Select_Pin|DINPUT_Pin|XINPUT_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
|
|
GPIO_InitStruct.Pull = GPIO_PULLUP;
|
|
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
|
|
|
|
/* USER CODE BEGIN MX_GPIO_Init_2 */
|
|
|
|
/* USER CODE END MX_GPIO_Init_2 */
|
|
}
|
|
|
|
/* USER CODE BEGIN 4 */
|
|
/**
|
|
* @brief Restarts the MCU when the slide switch requests the other USB mode.
|
|
* The bootloader will read the same switch and start the selected app.
|
|
*/
|
|
static void ModeSwitch_Process(void)
|
|
{
|
|
GPIO_PinState dinputState = HAL_GPIO_ReadPin(DINPUT_GPIO_Port, DINPUT_Pin);
|
|
GPIO_PinState xinputState = HAL_GPIO_ReadPin(XINPUT_GPIO_Port, XINPUT_Pin);
|
|
|
|
/* The switch is valid only when exactly one active-low input is selected. */
|
|
#ifdef REFLEKS_XINPUT
|
|
if ((dinputState == GPIO_PIN_SET) && (xinputState == GPIO_PIN_RESET))
|
|
#else
|
|
if ((dinputState == GPIO_PIN_RESET) && (xinputState == GPIO_PIN_SET))
|
|
#endif
|
|
{
|
|
if (modeSwitchChangePending == 0U)
|
|
{
|
|
modeSwitchChangedAt = HAL_GetTick();
|
|
modeSwitchChangePending = 1U;
|
|
}
|
|
else if ((HAL_GetTick() - modeSwitchChangedAt) >= MODE_SWITCH_DEBOUNCE_MS)
|
|
{
|
|
/* Force a clean USB disconnect before the bootloader changes USB mode. */
|
|
(void)USBD_Stop(&hUsbDeviceFS);
|
|
HAL_Delay(USB_DISCONNECT_DELAY_MS);
|
|
NVIC_SystemReset();
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* Current mode selected, both open, or switch contact transition/bounce. */
|
|
modeSwitchChangePending = 0U;
|
|
}
|
|
}
|
|
|
|
/* USER CODE END 4 */
|
|
|
|
/**
|
|
* @brief This function is executed in case of error occurrence.
|
|
* @retval None
|
|
*/
|
|
void Error_Handler(void)
|
|
{
|
|
/* USER CODE BEGIN Error_Handler_Debug */
|
|
/* User can add his own implementation to report the HAL error return state */
|
|
__disable_irq();
|
|
while (1)
|
|
{
|
|
}
|
|
/* USER CODE END Error_Handler_Debug */
|
|
}
|
|
#ifdef USE_FULL_ASSERT
|
|
/**
|
|
* @brief Reports the name of the source file and the source line number
|
|
* where the assert_param error has occurred.
|
|
* @param file: pointer to the source file name
|
|
* @param line: assert_param error line source number
|
|
* @retval None
|
|
*/
|
|
void assert_failed(uint8_t *file, uint32_t line)
|
|
{
|
|
/* USER CODE BEGIN 6 */
|
|
/* User can add his own implementation to report the file name and line number,
|
|
ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
|
|
/* USER CODE END 6 */
|
|
}
|
|
#endif /* USE_FULL_ASSERT */
|