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发表于 2020-3-21 19:40:55
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本帖最后由 snowman007 于 2020-3-21 19:51 编辑
该楼注意是原理图跟代码,内容比较长原理图代码实在多,只放了关键内容
用的stm32103的u,实测用stm8s003刷完全没问题,就是刷图需要外挂flash。
这里代码主要是stm32的,因为刷图比较方便。
初始化spi
- void SPI1_Init(void)
- {
- /* ¶¨ÒåspiÓëGPIOÅäÖòÎÊý½á¹¹Ìå */
- SPI_InitTypeDef SPI_InitStruct;
- GPIO_InitTypeDef GPIO_InitStructure;
-
- /* ´ò¿ªSPI1µÄ¶Ë¿ÚʱÖÓ¡¢AFIOÓëÍâÉèʱÖÓ */
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_SPI1 | RCC_APB2Periph_AFIO, ENABLE);
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA,ENABLE);
-
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5 | GPIO_Pin_7; //³õʼ»¯PA5£¨CLK£©ÓëPA7(MOSI)
- GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; //¸´ÓÃÍÆÍìÊä³ö
- GPIO_Init(GPIOA, &GPIO_InitStructure);
-
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6; //³õʼ»¯PA6£¨MISO£©
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; //¸¡¿ÕÊäÈë
- GPIO_Init(GPIOA, &GPIO_InitStructure);
- SPI_InitStruct.SPI_Direction = SPI_Direction_2Lines_FullDuplex; //È«Ë«¹¤
- SPI_InitStruct.SPI_Mode = SPI_Mode_Master; //SPIÖ÷ģʽ
- SPI_InitStruct.SPI_DataSize = SPI_DataSize_8b; //8λÊý¾Ý½á¹¹
- SPI_InitStruct.SPI_CPOL = SPI_CPOL_High; //ʱÖÓ¼«ÐÔ¸ß
- SPI_InitStruct.SPI_CPHA = SPI_CPHA_2Edge; //µÚ¶þ¸öʱÖÓÑØÓÐЧ
- SPI_InitStruct.SPI_NSS = SPI_NSS_Soft; //NSSÒý½ÅÈí¼þ¿ØÖÆ
- SPI_InitStruct.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_8; //²¨ÌØÂÊ8·ÖƵ
- SPI_InitStruct.SPI_FirstBit = SPI_FirstBit_MSB; //¸ßλÏÈ·¢ËÍ
- SPI_InitStruct.SPI_CRCPolynomial = 7; //CRCУÑé7
- SPI_Init(SPI1, &SPI_InitStruct); //³õʼ»¯
-
- SPI_Cmd(SPI1, ENABLE); //ʹÄÜSPI1
- }
复制代码 初始化oled- void OLED_Init(void)
- {
- OLED_GPIO_Init(); //³õʼ»¯RES¡¢DCÓëCSÒý½Å
- OLED_RES_Set();
- Delay(100);
- OLED_RES_Clr();
- Delay(200); //ÑÓ³Ù£¬ÓÉÓÚµ¥Æ¬»úÉϵç³õʼ»¯±ÈOLED¿ì£¬ËùÒÔ±ØÐë¼ÓÉÏÑÓ³Ù£¬µÈ´ýOLEDÉϵç³õʼ»¯Íê³É
- OLED_RES_Set();
- Delay(200);
-
- Write_Command(0xFD); // ½âËøOLEDÇý¶¯IC£¨SSD1351£©µÄÃüÁîÊäÈë
- Write_Data(0x12);
- Write_Command(0xFD); //ÉèÖà ÃüÁA2,B1,B3,BB,BE Ϊ¿É·ÃÎÊ״̬
- Write_Data(0xB1);
- Write_Command(0xAE); //¹ØÏÔʾ£¨½øÈë˯Ãßģʽ£©
- Write_Command(0xB3); //ÉèÖÃÏÔʾʱÖÓ·ÖƵ&ÄÚ²¿Õñµ´Æ÷ƵÂÊ
- Write_Data(0xF1); //ʱÖÓ2·ÖƵ£¬Õñµ´Æ÷ƵÂÊ×î¸ß
- Write_Command(0xCA); //ÉèÖÃ MUX Ratio
- Write_Data(0x7F); //128
- Write_Command(0xA2); //ÉèÖÃÏÔʾƫÒÆ
- Write_Data(0x00); //ÎÞÆ«ÒÆ
- Write_Command(0xA1); //ÉèÖÃÏÔʾÆðʼÐÐ
- Write_Data(0x00); //0x00
- Write_Command(0xA0); //ÉèÖÃÖØÓ³Éä¸ñʽ
- Write_Data(0x74); //ˮƽµØÖ·Ôö³¤Ä£Ê½¡¢ÁеØÖ·0Ó³Éäµ½SEG0¡¢ÑÕÉ«Êý¾Ý´«Êä˳ÐòD[15:0] = [RRRRR:GGGGGG:BBBBB]¡¢É¨Ãè·½Ïò£ºCOM127~COM0¡¢Ê¹ÄÜÆæż·ÖÀë¡¢ÑÕɫģʽ65K
- Write_Command(0xB5); //GPIO0&GPIO1ÉèÖÃ
- Write_Data(0x00); //GPIO0&GPIO1ÉèΪ¸ß×迹£¨Ó²¼þµç·ÖÐÁ½Òý½ÅûÓÐÁ¬½Ó£©
- Write_Command(0xAB); //¹¦ÄÜÑ¡ÔñÉèÖÃ
- Write_Data(0x01); //ʹÄÜVDDÄÚ²¿ÎÈѹÆ÷¡¢Ñ¡Ôñ8λ²¢ÐнӿÚ
- Write_Command(0xB4); //VSLÉèÖÃ
- Write_Data(0xA0); //ʹÄÜÍⲿVSL
- Write_Data(0xB5);
- Write_Data(0x55);
- Write_Command(0xC1); //ÉèÖÃÉ«²ÊµÄ¶Ô±ÈµçÁ÷
- Write_Data(0xC8); //A-->Red
- Write_Data(0x80); //B-->Green
- Write_Data(0xC8); //C-->Blue
- Write_Command(0xC7); //Ö÷¶Ô±È¶ÈµçÁ÷¿ØÖÆ
- Write_Data(0x0f); //0x0f
- Set_Gray_Scale_Table(); // ÉèÖûҶȱíÂö³å¿í¶È
- Write_Command(0xB1); //ÉèÖý׶Î1£¨¸´Î»½×¶Î£©&½×¶Î2£¨Ô¤³äµç£©µÄÖÜÆÚ
- Write_Data(0x32); //½×¶Î1Ϊ5¸öʱÖÓÖÜÆÚ¡¢½×¶Î2Ϊ3¸öʱÖÓÖÜÆÚ
- Write_Command(0xBB); //ÉèÖÃÔ¤³äµçµçѹ
- Write_Data(0x17); //0.5*VCC
- Write_Command(0xB6); //ÉèÖÃSecondÔ¤³äÖÜÆÚ
- Write_Data(0x01); //1¸öʱÖÓÖÜÆÚ£¨1DCLKS£©
- Write_Command(0xBE); //ÉèÖÃVCOMHµçѹ
- Write_Data(0x05); //0.82*VCC
- Write_Command(0xA6); //ÉèÖÃÏÔʾģʽ£ºÕý³£Ä£Ê½
- Fill_RAM(0x0000); //ÇåÆÁ
- Write_Command(0xAF); //¿ªÏÔʾ
- }
复制代码 设置灰度阶
- void Set_Gray_Scale_Table(void)
- {
- Write_Command(0xB8);
- Write_Data(0x02); // Gray Scale Level 1
- Write_Data(0x03); // Gray Scale Level 2
- Write_Data(0x04); // Gray Scale Level 3
- Write_Data(0x05); // Gray Scale Level 4
- Write_Data(0x06); // Gray Scale Level 5
- Write_Data(0x07); // Gray Scale Level 6
- Write_Data(0x08); // Gray Scale Level 7
- Write_Data(0x09); // Gray Scale Level 8
- Write_Data(0x0A); // Gray Scale Level 9
- Write_Data(0x0B); // Gray Scale Level 10
- Write_Data(0x0C); // Gray Scale Level 11
- Write_Data(0x0D); // Gray Scale Level 12
- Write_Data(0x0E); // Gray Scale Level 13
- Write_Data(0x0F); // Gray Scale Level 14
- Write_Data(0x10); // Gray Scale Level 15
- Write_Data(0x11); // Gray Scale Level 16
- Write_Data(0x12); // Gray Scale Level 17
- Write_Data(0x13); // Gray Scale Level 18
- Write_Data(0x15); // Gray Scale Level 19
- Write_Data(0x17); // Gray Scale Level 20
- Write_Data(0x19); // Gray Scale Level 21
- Write_Data(0x1B); // Gray Scale Level 22
- Write_Data(0x1D); // Gray Scale Level 23
- Write_Data(0x1F); // Gray Scale Level 24
- Write_Data(0x21); // Gray Scale Level 25
- Write_Data(0x23); // Gray Scale Level 26
- Write_Data(0x25); // Gray Scale Level 27
- Write_Data(0x27); // Gray Scale Level 28
- Write_Data(0x2A); // Gray Scale Level 29
- Write_Data(0x2D); // Gray Scale Level 30
- Write_Data(0x30); // Gray Scale Level 31
- Write_Data(0x33); // Gray Scale Level 32
- Write_Data(0x36); // Gray Scale Level 33
- Write_Data(0x39); // Gray Scale Level 34
- Write_Data(0x3C); // Gray Scale Level 35
- Write_Data(0x3F); // Gray Scale Level 36
- Write_Data(0x42); // Gray Scale Level 37
- Write_Data(0x45); // Gray Scale Level 38
- Write_Data(0x48); // Gray Scale Level 39
- Write_Data(0x4C); // Gray Scale Level 40
- Write_Data(0x50); // Gray Scale Level 41
- Write_Data(0x54); // Gray Scale Level 42
- Write_Data(0x58); // Gray Scale Level 43
- Write_Data(0x5C); // Gray Scale Level 44
- Write_Data(0x60); // Gray Scale Level 45
- Write_Data(0x64); // Gray Scale Level 46
- Write_Data(0x68); // Gray Scale Level 47
- Write_Data(0x6C); // Gray Scale Level 48
- Write_Data(0x70); // Gray Scale Level 49
- Write_Data(0x74); // Gray Scale Level 50
- Write_Data(0x78); // Gray Scale Level 51
- Write_Data(0x7D); // Gray Scale Level 52
- Write_Data(0x82); // Gray Scale Level 53
- Write_Data(0x87); // Gray Scale Level 54
- Write_Data(0x8C); // Gray Scale Level 55
- Write_Data(0x91); // Gray Scale Level 56
- Write_Data(0x96); // Gray Scale Level 57
- Write_Data(0x9B); // Gray Scale Level 58
- Write_Data(0xA0); // Gray Scale Level 59
- Write_Data(0xA5); // Gray Scale Level 60
- Write_Data(0xAA); // Gray Scale Level 61
- Write_Data(0xAF); // Gray Scale Level 62
- Write_Data(0xB4); // Gray Scale Level 63
- }
复制代码 设置好了就可以刷屏了
- void Display_Char(unsigned char x, unsigned char y, unsigned char Var_Char, int Colour_RGB)
- {
- unsigned char i, j; //¶¨Òå±äÁ¿
- unsigned char Var_Temp, x_Temp; //¶¨Òå±äÁ¿
- x_Temp = x; //»ñÈ¡xÆðʼ×ø±ê
- for (i = 0; i < 16; i++)
- {
- Var_Temp = ACSII_Font[Var_Char - 0x20][i]; //»ñÈ¡×Ö·ûÔÚÊý×éµÄÆ«ÒÆÁ¿
- for ( j = 0; j < 8; j++)
- {
- if (Var_Temp & 0x80) //ÏÈ»×î¸ßλµÄµã£¬Îª1Ôò»¶ÔÓ¦µÄÑÕÉ«
- Draw_Point(x, y, Colour_RGB);
- //else
- //Draw_Point(x, y, 0x0000); //Ϊ0ÔòºÚÉ«£¨¶¼²»ÁÁ£©£¬¿É×÷Ϊ±³¾°É«
- Var_Temp <<= 1; //ÒÆλ£¬×¼±¸»ÏÂÒ»¸öµã
- x++; //x×ø±ê¼Ó1
- if((x - x_Temp) == 8)
- {
- x = x_Temp; //x×ø±ê»Øµ½ÆðʼλÖÃ
- y++; //y×ø±ê¼Ó1
- break; //Í˳öµ±Ç°Ñ»·
- }
- }
- }
- }
复制代码
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