06-F746-Demo_UsbHidHost (STM32F746)

Mit diesem Demo-Projekt wird eine USB-Mouse und ein USB-Keyboard am STM32F746-Discovery-Board getestet.

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//--------------------------------------------------------------
// File     : main.c
// Datum    : 02.08.2015
// Version  : 1.0
// Autor    : UB
// EMail    : mc-4u(@)t-online.de
// Web      : www.mikrocontroller-4u.de
// CPU      : STM32F746
// Board    : STM32F746-Discovery-Board
// IDE      : OpenSTM32
// GCC      : 4.9 2015q2
// Module   : CubeHAL
// Funktion : Hauptprogramm
//--------------------------------------------------------------
 
 
#include "stm32_ub_system.h"
#include "stm32_ub_lcd_480x272.h"
#include "stm32_ub_font.h"
#include "stm32_ub_usb_hid_host.h"
 
//--------------------------------------------------------------
USB_HID_HOST_STATUS_t status;
void clearDisplay(void);
void mouseDemo(void);
void keyboardDemo(void);
 
int main(void)
{
 
  // init vom System
  UB_System_Init();
 
  // init vom LCD
  UB_LCD_Init();
  UB_LCD_LayerInit_Fullscreen();
  UB_LCD_SetLayer_2();
 
  // init vom USB als HID-HOST
  UB_USB_HID_HOST_Init();
 
  clearDisplay();
 
  while(1) {
	  // USB bearbeiten
	  status=UB_USB_HID_HOST_Do();
	  if(status==USB_HID_MOUSE_CONNECTED) {
		  mouseDemo();
	  }
	  else if(status==USB_HID_KEYBOARD_CONNECTED) {
		  keyboardDemo();
	  }
  }
}
 
void clearDisplay(void)
{
	UB_LCD_FillLayer(RGB_COL_GREEN);
	UB_Font_DrawString(10,20,"F746 USB-HID-Demo (02.08.2015 / UB)",&Arial_10x15,RGB_COL_RED,RGB_COL_BLACK);
#ifdef USE_USB_FS
	UB_Font_DrawString(10,60,"USB-FS at CN13",&Arial_10x15,RGB_COL_BLACK,RGB_COL_GREEN);
	UB_Font_DrawString(10,120,"please insert USB-Mouse or USB-Keyboard...",&Arial_10x15,RGB_COL_BLACK,RGB_COL_GREEN);
#elif USE_USB_HS
	UB_Font_DrawString(10,60,"USB-HS at CN12",&Arial_10x15,RGB_COL_BLACK,RGB_COL_GREEN);
	UB_Font_DrawString(10,120,"please insert USB-Mouse or USB-Keyboard...",&Arial_10x15,RGB_COL_BLACK,RGB_COL_GREEN);
#else
	UB_Font_DrawString(10,60,"please define USE_USB_FS or USE_USB_HS",&Arial_10x15,RGB_COL_BLACK,RGB_COL_GREEN);
	while(1);
#endif
 
}
 
void mouseDemo(void)
{
	char buf[50];
	uint8_t check;
 
	UB_LCD_FillLayer(RGB_COL_GREEN);
	UB_Font_DrawString(10,20,"Mouse-Demo",&Arial_10x15,RGB_COL_RED,RGB_COL_BLACK);
	do {
		status=UB_USB_HID_HOST_Do();
		check=UB_USB_HID_HOST_GetMouse();
		if(check>0) {
		  UB_Font_DrawString(10,60,"Position :",&Arial_10x15,RGB_COL_BLACK,RGB_COL_GREEN);
		  sprintf(buf,"X= %d , Y= %d    ",USB_MOUSE_DATA.xpos, USB_MOUSE_DATA.ypos);
		  UB_Font_DrawString(10,80,buf,&Arial_10x15,RGB_COL_BLACK,RGB_COL_GREEN);
 
		  UB_Font_DrawString(10,120,"Buttons :",&Arial_10x15,RGB_COL_BLACK,RGB_COL_GREEN);
		  sprintf(buf,"1= %d , 2= %d , 3=%d   ",USB_MOUSE_DATA.btn_left, USB_MOUSE_DATA.btn_right , USB_MOUSE_DATA.btn_center);
		  UB_Font_DrawString(10,140,buf,&Arial_10x15,RGB_COL_BLACK,RGB_COL_GREEN);
		}
 
	}while(status==USB_HID_MOUSE_CONNECTED);
 
	clearDisplay();
}
 
 
void keyboardDemo(void)
{
	uint8_t key;
	uint16_t xp=0,yp=80;
 
	UB_LCD_FillLayer(RGB_COL_GREEN);
	UB_Font_DrawString(10,20,"Keyboard-Demo",&Arial_10x15,RGB_COL_RED,RGB_COL_BLACK);
	UB_Font_DrawString(10,60,"Text :",&Arial_10x15,RGB_COL_BLACK,RGB_COL_GREEN);
	do {
		status=UB_USB_HID_HOST_Do();
		key=UB_USB_HID_HOST_GetKey();
		if((key>=32) && (key<=128)) { UB_Font_DrawChar(xp,yp,key,&Arial_10x15,RGB_COL_BLACK,RGB_COL_GREEN); xp+=Arial_10x15.width; if(xp>460) {
			  xp=0;
			  yp+=Arial_10x15.height;
		  }
		}
 
	}while(status==USB_HID_KEYBOARD_CONNECTED);
 
	clearDisplay();
}

Hier der komplette OpenSTM32-Projektordner zum Download :


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