/**
 * ΪAI8051U-C251ģʽµģ幤
 * ƵΪ 40000000L40MHzлƵ config.h ޸
 * 
 ***************************************************************************************************
 * ʵ
 * ʵƣ ѧ-
 * ʵƽ̨ 
 * ڣ 2024-12-8
 ***************************************************************************************************
 ܣ
    ĿֲԳ<STC32G-ѧʹCDCҺʾ>̣AI8051U򡿿бдԡ
    ʹó2.4TFT ʵֲʾ
 ¼¼
    2024-12-8
    1
    2ɴ
        a.оƬIIC(֧Ӳл)SPI(֧Ӳл)LCM(֧Ӳл)
        b.AT24C128(ʹIIC)
        c.XPT2046(ʹSPI)
        d.tft(ʹi8080,֧8bit/16bitл)

   2024-12-9
   1½tft_keyboardļ
      (+)tft_keyboard_interface(̶,ʾ)
      (+)tft_touch_key_scan(̶,ɨ)

   2024-12-10
   1(add)tft_keyboard
      (-)tft_keyboard_interface(̶,ʾ)
      (+)tft_touch_key_scan(ƴɨ躯)
   2(add)menu
      (+)tft_keyboard_interface(̶,ʾ)
   3(add)screen
      (+)screen_clear(ʾĻ,)
      (+)screen_printf(ʾĻ,ӡ)
      (+)screen_draw_point(ʾĻ,)
   
   2024-12-11(V1.3)
   1tft_keyboard
      (=)tft_touch_key_scan,Ӧļ
   2(add)tim
      (+)Timer0_init(10msʱж)
   3(add)set
      (+)Parma[10](ûò)
   4main
   5޸vk.hļ

   2024-12-12(V1.4)
   1sreen
      (+)
   2(add)fun
      (+)
      
   2024-12-13(V1.4)
   1ѧ()

   2024-12-19(V1.5)
   1Ƴѧ()
   
   2024-12-21(V1.6)
   1Ż籣沿֣IAPⲿEERPOM config.h л
 
 ***********************************************************************************************************
 * STCվwww.STCAI.com
 * ̳http://www.stcaimcu.com/
 * ߣϫ(RbowlyStar)(RISVOL)
 * ϵ2450951632QQ
 * 
 ***********************************************************************************************************
 */

24-12-12
   ȣ
      (0)AT24CXX(100%)        241208 - 241208
      (1)tft_keyboard(100%)   241208 - 241212
      (2)menu(100%)           241210 - 241213
      (3)screen(100%)         241210 - 241212
      (4)tim(100%)            241211 - 241211
      (5)set(100%)            241211 - 241219
      (6)nor_cal(100%)        241212 - 241212
      (7)fun(100%)            241212 - 241212
      (8)matrix(100%)         241212 - 241212
      (9)funcpic(100%)        241212 - 241212
      (10)solve(100%)         241213 - 241213
      (11)sensus(100%)        241213 - 241213
      (12)calculus(100%)      241213 - 241213
      (13)TFT_TOUCH(100%)     241208 - 241208
      (14)RTC(100%)           241219 - 241219

ֿݣ
      ұߵĺ볢С뺯ʽȷ밴Ϸ²鿴ʽȲ鿴任þΪþ˻ͨ㸴ͼⷽͳһ׳΢ַ̲üʽӷ˷㷽ߴתþʽײ鿴ļʽĽ޸ĵһ޸ĵڶþв鿴޸ľԭ굥λͼʽʾͼݸ鿴鿴˵㲽˵ֵĻʾڵʱùûм޷޲Ӻշʱģ

̼룺
         { 1 , 2 , 3 , 4 , 5 },
         { 6 , 7 , 8 , 9 ,10 },
         {11 ,12 , 13,14 ,15 },
         {16 ,17 , 18,19 ,20 },
         {'7','8','9',21 ,22 },
         {'4','5','6','*','/'},
         {'1','2','3','+','-'},
         {'0','.',23 ,24 ,'='},