HID_RTOS
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Outline
Includes
#include "main.h"
Private variables
hid_demo
prev_select
MenuEvent
DEMO_KEYBOARD_menu
DEMO_MOUSE_menu
DEMO_HID_menu
Private function prototypes
HID_MenuInit()
HID_UpdateMenu()
HID_MenuThread(const void *)
USBH_HID_EventCallback(USBH_HandleTypeDef *)
HID_SelectItem(uint8_t **, uint8_t)
HID_DEMO_ProbeKey(JOYState_TypeDef)
HAL_GPIO_EXTI_Callback(uint16_t)
USBH_MouseDemo(USBH_HandleTypeDef *)
USBH_KeybdDemo(USBH_HandleTypeDef *)
Files
loading (6/7)...
SourceVuSTM32 Libraries and SamplesHID_RTOSSrc/menu.c
 
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/** ****************************************************************************** * @file USB_Host/HID_RTOS/Src/menu.c * @author MCD Application Team * @brief This file implements Menu Functions ****************************************************************************** * @attention * * Copyright (c) 2017 STMicroelectronics. * All rights reserved. * * This software is licensed under terms that can be found in the LICENSE file * in the root directory of this software component. * If no LICENSE file comes with this software, it is provided AS-IS. * ****************************************************************************** *//* ... */ /* Includes ------------------------------------------------------------------ */ #include "main.h" Includes /* Private typedef ----------------------------------------------------------- */ /* Private define ------------------------------------------------------------ */ /* Private macro ------------------------------------------------------------- */ /* Private variables --------------------------------------------------------- */ HID_DEMO_StateMachine hid_demo; uint8_t prev_select = 0; osSemaphoreId MenuEvent; uint8_t *DEMO_KEYBOARD_menu[] = { (uint8_t *) " 1 - Start Keyboard / Clear ", (uint8_t *) " 2 - Return ", ...}; uint8_t *DEMO_MOUSE_menu[] = { (uint8_t *) " 1 - Start Mouse / Re-Initialize ", (uint8_t *) " 2 - Return ", ...}; uint8_t *DEMO_HID_menu[] = { (uint8_t *) " 1 - Start HID ", (uint8_t *) " 2 - Re-Enumerate ", ...}; Private variables /* Private function prototypes ----------------------------------------------- */ static void HID_DEMO_ProbeKey(JOYState_TypeDef state); static void USBH_MouseDemo(USBH_HandleTypeDef * phost); static void USBH_KeybdDemo(USBH_HandleTypeDef * phost); static void HID_MenuThread(void const *argument); Private function prototypes /* Private functions --------------------------------------------------------- */ /** * @brief Demo state machine. * @param None * @retval None *//* ... */ void HID_MenuInit(void) { /* Create Menu Semaphore */ osSemaphoreDef(osSem); MenuEvent = osSemaphoreCreate(osSemaphore(osSem), 1); /* Force menu to show Item 0 by default */ osSemaphoreRelease(MenuEvent); /* Menu task */ osThreadDef(Menu_Thread, HID_MenuThread, osPriorityHigh, 0, 8 * configMINIMAL_STACK_SIZE); osThreadCreate(osThread(Menu_Thread), NULL); BSP_LCD_SetTextColor(LCD_COLOR_GREEN); BSP_LCD_DisplayStringAtLine(18, (uint8_t *) "Use [Joystick Left/Right] to scroll up/down"); BSP_LCD_DisplayStringAtLine(19, (uint8_t *) "Use [Joystick Up/Down] to scroll HID menu"); }{ ... } /** * @brief Updates the Menu. * @param None * @retval None *//* ... */ void HID_UpdateMenu(void) { /* Force menu to show Item 0 by default */ hid_demo.state = HID_DEMO_IDLE; osSemaphoreRelease(MenuEvent); }{ ... } /** * @brief User task * @param pvParameters not used * @retval None *//* ... */ void HID_MenuThread(void const *argument) { for (;;) { if (osSemaphoreWait(MenuEvent, osWaitForever) == osOK) { switch (hid_demo.state) { case HID_DEMO_IDLE: HID_SelectItem(DEMO_HID_menu, 0); hid_demo.state = HID_DEMO_WAIT; hid_demo.select = 0; osSemaphoreRelease(MenuEvent); break; case HID_DEMO_IDLE: case HID_DEMO_WAIT: if (hid_demo.select != prev_select) { prev_select = hid_demo.select; HID_SelectItem(DEMO_HID_menu, hid_demo.select & 0x7F); /* Handle select item */ if (hid_demo.select & 0x80) { switch (hid_demo.select & 0x7F) { case 0: hid_demo.state = HID_DEMO_START; osSemaphoreRelease(MenuEvent); break; case 0: case 1: hid_demo.state = HID_DEMO_REENUMERATE; osSemaphoreRelease(MenuEvent); break; case 1: default: break;default }switch (hid_demo.select & 0x7F) { ... } }if (hid_demo.select & 0x80) { ... } }if (hid_demo.select != prev_select) { ... } break; case HID_DEMO_WAIT: case HID_DEMO_START: if (Appli_state == APPLICATION_READY) { if (USBH_HID_GetDeviceType(&hUSBHost) == HID_KEYBOARD) { hid_demo.keyboard_state = HID_KEYBOARD_IDLE; hid_demo.state = HID_DEMO_KEYBOARD; }if (USBH_HID_GetDeviceType(&hUSBHost) == HID_KEYBOARD) { ... } else if (USBH_HID_GetDeviceType(&hUSBHost) == HID_MOUSE) { hid_demo.mouse_state = HID_MOUSE_IDLE; hid_demo.state = HID_DEMO_MOUSE; }else if (USBH_HID_GetDeviceType(&hUSBHost) == HID_MOUSE) { ... } }if (Appli_state == APPLICATION_READY) { ... } else { LCD_ErrLog("No supported HID device!\n"); hid_demo.state = HID_DEMO_WAIT; }else { ... } osSemaphoreRelease(MenuEvent); break; case HID_DEMO_START: case HID_DEMO_REENUMERATE: /* Force MSC Device to re-enumerate */ USBH_ReEnumerate(&hUSBHost); hid_demo.state = HID_DEMO_WAIT; osSemaphoreRelease(MenuEvent); break; case HID_DEMO_REENUMERATE: case HID_DEMO_MOUSE: if (Appli_state == APPLICATION_READY) { HID_MouseMenuProcess(); USBH_MouseDemo(&hUSBHost); }if (Appli_state == APPLICATION_READY) { ... } break; case HID_DEMO_MOUSE: case HID_DEMO_KEYBOARD: if (Appli_state == APPLICATION_READY) { HID_KeyboardMenuProcess(); USBH_KeybdDemo(&hUSBHost); }if (Appli_state == APPLICATION_READY) { ... } break; case HID_DEMO_KEYBOARD: default: break;default }switch (hid_demo.state) { ... } if (Appli_state == APPLICATION_DISCONNECT) { Appli_state = APPLICATION_IDLE; LCD_LOG_ClearTextZone(); LCD_ErrLog("HID device disconnected!\n"); hid_demo.state = HID_DEMO_IDLE; hid_demo.select = 0; }if (Appli_state == APPLICATION_DISCONNECT) { ... } hid_demo.select &= 0x7F; }if (osSemaphoreWait(MenuEvent, osWaitForever) == osOK) { ... } }for (;;) { ... } }{ ... } /** * @brief The function is a callback about HID Data events * @param phost: Selected device * @retval None *//* ... */ void USBH_HID_EventCallback(USBH_HandleTypeDef * phost) { osSemaphoreRelease(MenuEvent); }{ ... } /** * @brief Manages the menu on the screen. * @param menu: Menu table * @param item: Selected item to be highlighted * @retval None *//* ... */ void HID_SelectItem(uint8_t ** menu, uint8_t item) { BSP_LCD_SetTextColor(LCD_COLOR_WHITE); switch (item) { case 0: BSP_LCD_SetBackColor(LCD_COLOR_MAGENTA); BSP_LCD_DisplayStringAtLine(20, menu[0]); BSP_LCD_SetBackColor(LCD_COLOR_BLUE); BSP_LCD_DisplayStringAtLine(21, menu[1]); break; case 0: case 1: BSP_LCD_SetBackColor(LCD_COLOR_BLUE); BSP_LCD_DisplayStringAtLine(20, menu[0]); BSP_LCD_SetBackColor(LCD_COLOR_MAGENTA); BSP_LCD_DisplayStringAtLine(21, menu[1]); BSP_LCD_SetBackColor(LCD_COLOR_BLUE); break;case 1: }switch (item) { ... } BSP_LCD_SetBackColor(LCD_COLOR_BLACK); }{ ... } /** * @brief Probes the HID joystick state. * @param state: Joystick state * @retval None *//* ... */ static void HID_DEMO_ProbeKey(JOYState_TypeDef state) { /* Handle Menu inputs */ if ((state == JOY_UP) && (hid_demo.select > 0)) { hid_demo.select--; }if ((state == JOY_UP) && (hid_demo.select > 0)) { ... } else if ((state == JOY_DOWN) && (hid_demo.select < 1)) { hid_demo.select++; }else if ((state == JOY_DOWN) && (hid_demo.select < 1)) { ... } else if (state == JOY_SEL) { hid_demo.select |= 0x80; }else if (state == JOY_SEL) { ... } }{ ... } /** * @brief EXTI line detection callbacks. * @param GPIO_Pin: Specifies the pins connected EXTI line * @retval None *//* ... */ void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin) { __IO JOYState_TypeDef JoyState = JOY_NONE; if (GPIO_Pin == GPIO_PIN_8) { /* Get the Joystick State */ JoyState = BSP_JOY_GetState(); HID_DEMO_ProbeKey(JoyState); switch (JoyState) { case JOY_LEFT: LCD_LOG_ScrollBack(); break; case JOY_LEFT: case JOY_RIGHT: LCD_LOG_ScrollForward(); break; case JOY_RIGHT: default: break;default }switch (JoyState) { ... } /* Clear joystick interrupt pending bits */ BSP_IO_ITClear(); osSemaphoreRelease(MenuEvent); }if (GPIO_Pin == GPIO_PIN_8) { ... } }{ ... } /** * @brief Main routine for Mouse application * @param phost: Host handle * @retval None *//* ... */ static void USBH_MouseDemo(USBH_HandleTypeDef * phost) { HID_MOUSE_Info_TypeDef *m_pinfo; if (hid_demo.mouse_state != HID_MOUSE_START) { m_pinfo = USBH_HID_GetMouseInfo(phost); if (m_pinfo != NULL) { /* Handle Mouse data position */ USR_MOUSE_ProcessData(&mouse_info); if (m_pinfo->buttons[0]) { HID_MOUSE_ButtonPressed(0); }if (m_pinfo->buttons[0]) { ... } else { HID_MOUSE_ButtonReleased(0); }else { ... } if (m_pinfo->buttons[1]) { HID_MOUSE_ButtonPressed(2); }if (m_pinfo->buttons[1]) { ... } else { HID_MOUSE_ButtonReleased(2); }else { ... } if (m_pinfo->buttons[2]) { HID_MOUSE_ButtonPressed(1); }if (m_pinfo->buttons[2]) { ... } else { HID_MOUSE_ButtonReleased(1); }else { ... } }if (m_pinfo != NULL) { ... } }if (hid_demo.mouse_state != HID_MOUSE_START) { ... } }{ ... } /** * @brief Main routine for Keyboard application * @param phost: Host handle * @retval None *//* ... */ static void USBH_KeybdDemo(USBH_HandleTypeDef * phost) { HID_KEYBD_Info_TypeDef *k_pinfo; char c; if (hid_demo.keyboard_state != HID_KEYBOARD_START) { k_pinfo = USBH_HID_GetKeybdInfo(phost); if (k_pinfo != NULL) { c = USBH_HID_GetASCIICode(k_pinfo); if (c != 0) { USR_KEYBRD_ProcessData(c); }if (c != 0) { ... } }if (k_pinfo != NULL) { ... } }if (hid_demo.keyboard_state != HID_KEYBOARD_START) { ... } }{ ... }
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