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/* ... */
#include "main.h"
Includes
HID_DEMO_StateMachine hid_demo;
uint8_t prev_select = 0;
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
static void HID_DEMO_ProbeKey(JOYState_TypeDef state);
static void USBH_MouseDemo(USBH_HandleTypeDef * phost);
static void USBH_KeybdDemo(USBH_HandleTypeDef * phost);
Private function prototypes
/* ... */
void HID_MenuInit(void)
{
USBH_UsrLog("Starting HID Demo");
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");
hid_demo.state = HID_DEMO_IDLE;
HID_MenuProcess();
}{ ... }
/* ... */
void HID_MenuProcess(void)
{
switch (hid_demo.state)
{
case HID_DEMO_IDLE:
HID_SelectItem(DEMO_HID_menu, 0);
hid_demo.state = HID_DEMO_WAIT;
hid_demo.select = 0;
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);
if (hid_demo.select & 0x80)
{
hid_demo.select &= 0x7F;
switch (hid_demo.select)
{
case 0:
hid_demo.state = HID_DEMO_START;
break;
case 0:
case 1:
hid_demo.state = HID_DEMO_REENUMERATE;
break;
case 1:
default:
break;default
}switch (hid_demo.select) { ... }
}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 { ... }
break;
case HID_DEMO_START:
case HID_DEMO_REENUMERATE:
USBH_ReEnumerate(&hUSBHost);
hid_demo.state = HID_DEMO_WAIT;
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) { ... }
}{ ... }
/* ... */
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);
}{ ... }
/* ... */
static void HID_DEMO_ProbeKey(JOYState_TypeDef state)
{
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) { ... }
}{ ... }
/* ... */
void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)
{
static JOYState_TypeDef JoyState = JOY_NONE;
if (GPIO_Pin == GPIO_PIN_8)
{
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) { ... }
BSP_IO_ITClear();
}if (GPIO_Pin == GPIO_PIN_8) { ... }
}{ ... }
/* ... */
static void USBH_MouseDemo(USBH_HandleTypeDef * phost)
{
HID_MOUSE_Info_TypeDef *m_pinfo;
m_pinfo = USBH_HID_GetMouseInfo(phost);
if (m_pinfo != NULL)
{
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) { ... }
}{ ... }
/* ... */
static void USBH_KeybdDemo(USBH_HandleTypeDef * phost)
{
HID_KEYBD_Info_TypeDef *k_pinfo;
char c;
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) { ... }
}{ ... }