STM32

stm32f103c8t6與ili9325液晶

2019-07-14 23:38发布

站内问答 / STM32/STM8
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我想用STM32f103c8t6點亮ili9325液晶 程序如下
但是畫面全白 並沒有變成紅 {MOD}
想請教各位大大該如何修改? 謝謝

另外算了一下 320*240*2 = 150k
stm32f103c8t6的flash只有64k
所以就算想存一張圖片開機顯示也沒辨法
不知我這樣想對嗎? 謝謝

  1. /*
  2. PB8--------------------RS
  3. PB9--------------------RW
  4. PB10-------------------RD
  5. PB11-------------------CS
  6. PB12-------------------RST
  7. DB7    DB6    DB5    DB4    DB3    DB2    DB1    DB0
  8. PB12   PB13   PB14   PB5    PB6    PB7    PB1    PB0
  9. */

  11. #define White          0xFFFF
  12. #define Black          0x0000
  13. #define Blue           0x001F
  14. #define Red            0xF800
  15. #define Green          0x07E0
  16. #define Yellow         0xFFE0

  18. #define RSL GPIO_ResetBits(GPIOB,GPIO_Pin_10);
  19. #define RSH GPIO_SetBits(GPIOB,GPIO_Pin_10);
  20. #define RWL GPIO_ResetBits(GPIOB,GPIO_Pin_9);
  21. #define RWH GPIO_SetBits(GPIOB,GPIO_Pin_9);
  22. #define RDL GPIO_ResetBits(GPIOB,GPIO_Pin_8);
  23. #define RDH GPIO_SetBits(GPIOB,GPIO_Pin_8);
  24. #define CSL GPIO_ResetBits(GPIOB,GPIO_Pin_11);
  25. #define CSH GPIO_SetBits(GPIOB,GPIO_Pin_11);

  27. #define WINDOW_XADDR_START        0x0050        // Horizontal Start Address Set
  28. #define WINDOW_XADDR_END    0x0051        // Horizontal End Address Set
  29. #define WINDOW_YADDR_START        0x0052        // Vertical Start Address Set
  30. #define WINDOW_YADDR_END    0x0053        // Vertical End Address Set
  31. #define GRAM_XADDR                                        0x0020        // GRAM Horizontal Address Set
  32. #define GRAM_YADDR                                        0x0021        // GRAM Vertical Address Set
  33. #define GRAMWR                                                        0x0022        // memory write

  35. u16 pin[8];

  37. void TFT_RCC_Config(void)
  38. {
  39.         RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB | RCC_APB2Periph_AFIO, ENABLE);
  40. }

  42. void TFT_GPIO_Config(void)
  43. {
  44.         GPIO_InitTypeDef GPIO_InitStructure;

  46.         GPIO_InitStructure.GPIO_Pin = GPIO_Pin_All;
  47.         GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  48.         GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;     
  49.         GPIO_Init(GPIOA,&GPIO_InitStructure);

  51.         pin[0] = GPIO_Pin_0;
  52.         pin[1] = GPIO_Pin_1;
  53.         pin[2] = GPIO_Pin_7;
  54.         pin[3] = GPIO_Pin_6;
  55.         pin[4] = GPIO_Pin_5;
  56.         pin[5] = GPIO_Pin_14;
  57.         pin[6] = GPIO_Pin_13;
  58.         pin[7] = GPIO_Pin_12;
  59. }

  61. void GPIO_WriteX(u8 t)
  62. {
  63.     u8 i;
  64.     for(i=0;i<8;i++)
  65.     {
  66.                         GPIO_WriteBit(GPIOB, pin[i], (BitAction)((t>>i)&0x01) );
  67.     }
  68. }

  70. void delay_ms_tft(u16 nms) {
  71.         u32 temp;
  72.         SysTick->LOAD = 72000*nms;
  73.         SysTick->VAL=0X00;
  74.         SysTick->CTRL=0X01;
  75.         do{
  76.                 temp=SysTick->CTRL;
  77.         }while((temp&0x01)&&(!(temp&(1<<16))));
  78.         SysTick->CTRL=0x00;
  79.   SysTick->VAL =0X00;
  80. }

  82. void delay_13ns(u8 t)
  83. {
  84.         u8 j = 9;
  85.         while(t--)
  86.         {
  87.                 while (j--);
  88.         }
  89. }  

  91. //============================================================

  93. void Write_Cmd(u16 u)
  94. {
  95.                 u8 DH = u >> 8;
  96.                 u8 DL = u;
  97.     RSL;
  98.     delay_13ns(30);
  99.     CSL;
  100.     GPIO_WriteX(DH);
  101.     RWL;
  102.     RWH;
  103.     delay_13ns(30);
  104.     GPIO_WriteX(DL);
  105.     RWL;
  106.     RWH;
  107.     delay_13ns(30);
  108.     CSH;
  109. }

  111. void Write_Data(u16 u)
  112. {
  113.                 u8 DH = u >> 8;
  114.                 u8 DL = u;
  115.     RSH;
  116.     delay_13ns(30);
  117.     CSL;
  118.     GPIO_WriteX(DH);
  119.     RWL;
  120.     RWH;
  121.     delay_13ns(30);
  122.     GPIO_WriteX(DL);
  123.     RWL;
  124.     RWH;
  125.     delay_13ns(30);
  126.     CSH;
  127. }

  129. void Write_Cmd_Data (u16 cmd, u16 data)
  130. {
  131.                 Write_Cmd(cmd);
  132.     Write_Data(data);
  133. }

  135. static void LCD_SetPos(u16 x0, u16 x1, u16 y0, u16 y1)
  136. {
  137.   Write_Cmd_Data(WINDOW_XADDR_START, x0);
  138.   Write_Cmd_Data(WINDOW_XADDR_END, x1);
  139.   Write_Cmd_Data(WINDOW_YADDR_START, y0);
  140.   Write_Cmd_Data(WINDOW_YADDR_END, y1);
  141.   Write_Cmd_Data(GRAM_XADDR, x0);
  142.   Write_Cmd_Data(GRAM_YADDR, y0);
  143.         Write_Cmd(GRAMWR);
  144. }

  146. void CLR_Screen(u16 bColor)
  147. {
  148.         u16 i,j;
  149.         LCD_SetPos(0, 240, 0, 320);        //320x240
  150.         for (i=0;i<320;i++)
  151.         {
  152.                 for (j=0;j<240;j++) Write_Data(bColor);
  153.         }
  154. }

  156. void ILI9325_Initial(void)
  157. {
  158. CSL;
  159. delay_ms_tft(5);
  160. RSL;
  161. delay_ms_tft(5);
  162. RSH;
  163. delay_ms_tft(50);
  164. Write_Cmd_Data(0x0001,0x0100);
  165. Write_Cmd_Data(0x0002,0x0700);
  166. Write_Cmd_Data(0x0003,0x1030);
  167. Write_Cmd_Data(0x0004,0x0000);
  168. Write_Cmd_Data(0x0008,0x0207);  
  169. Write_Cmd_Data(0x0009,0x0000);
  170. Write_Cmd_Data(0x000A,0x0000);
  171. Write_Cmd_Data(0x000C,0x0000);
  172. Write_Cmd_Data(0x000D,0x0000);
  173. Write_Cmd_Data(0x000F,0x0000);
  174. //power on sequence VGHVGL                //-
  175. Write_Cmd_Data(0x0010,0x0000);   
  176. Write_Cmd_Data(0x0011,0x0007);  
  177. Write_Cmd_Data(0x0012,0x0000);  
  178. Write_Cmd_Data(0x0013,0x0000);
  179. //vgh
  180. Write_Cmd_Data(0x0010,0x1290);   
  181. Write_Cmd_Data(0x0011,0x0227);
  182. //vregiout
  183. Write_Cmd_Data(0x0012,0x001d); //0x001b
  184. //vom amplitude
  185. Write_Cmd_Data(0x0013,0x1500);
  186. //vom H
  187. Write_Cmd_Data(0x0029,0x0018);
  188. Write_Cmd_Data(0x002B,0x000D);

  190. //gamma                //-
  191. Write_Cmd_Data(0x0030,0x0004);
  192. Write_Cmd_Data(0x0031,0x0307);
  193. Write_Cmd_Data(0x0032,0x0002);        //0006
  194. Write_Cmd_Data(0x0035,0x0206);
  195. Write_Cmd_Data(0x0036,0x0408);
  196. Write_Cmd_Data(0x0037,0x0507);
  197. Write_Cmd_Data(0x0038,0x0204);        //0200
  198. Write_Cmd_Data(0x0039,0x0707);
  199. Write_Cmd_Data(0x003C,0x0405);        //0504
  200. Write_Cmd_Data(0x003D,0x0F02);
  201. //ram
  202. Write_Cmd_Data(0x0050,0x0000);
  203. Write_Cmd_Data(0x0051,0x00EF);
  204. Write_Cmd_Data(0x0052,0x0000);
  205. Write_Cmd_Data(0x0053,0x013F);  
  206. Write_Cmd_Data(0x0060,0xA700);
  207. Write_Cmd_Data(0x0061,0x0001);
  208. Write_Cmd_Data(0x006A,0x0000);

  210. Write_Cmd_Data(0x0080,0x0000);        //-
  211. Write_Cmd_Data(0x0081,0x0000);        //-
  212. Write_Cmd_Data(0x0082,0x0000);        //-
  213. Write_Cmd_Data(0x0083,0x0000);        //-
  214. Write_Cmd_Data(0x0084,0x0000);        //-
  215. Write_Cmd_Data(0x0085,0x0000);        //-

  217. Write_Cmd_Data(0x0090,0x0010);
  218. Write_Cmd_Data(0x0092,0x0600);
  219. Write_Cmd_Data(0x0093,0x0003);         //#
  220. Write_Cmd_Data(0x0095,0x0110);
  221. Write_Cmd_Data(0x0097,0x0000);         //-
  222. Write_Cmd_Data(0x0098,0x0000);                //-
  223. Write_Cmd_Data(0x0007,0x0133);   

  225. delay_ms_tft(5);
  226. }

  228. //==============================================================

  230. void tft_init()
  231. {
  232.         TFT_RCC_Config();
  233.         TFT_GPIO_Config();
  234.   ILI9325_Initial();
  235. CLR_Screen(Red);
  236. }

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4条回答
wlbill
2019-07-15 13:37
 精彩回答 2  元偷偷看……0人看过

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