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標題: 請教STC8H1K08-spi不工作 [打印本頁]

作者: 芙蓉焊料 時間: 2025-1-2 16:11
標題: 請教STC8H1K08-spi不工作

請幫我看看spi不工作，再而三的檢查也沒找出問題！

#include <STC8H.H>
#include <intrins.h>

typedef unsigned char u8;
typedef unsigned int u16;
typedef unsigned long u32;

#define MAIN_Fosc       24000000UL
#define red    0xf800 //紅色
#define blue    0x001f //藍色
#define green 0x07e0 //綠色
#define white 0xffff    //白色
#define black 0x0000 //黑色

sbit bl =  P1^7; //BLK;背光
sbit rs  = P1^6; //DC;數據/命令選擇，低電平命令，高電平數據
sbit scl = P1^5; //SCL;時鐘信號輸入端口
sbit reset = P1^4;  //RST;復位,低電平使能
sbit sda = P1^3; //SDA;SPI數據輸入端口
sbit cs  = P1^2; //CS;片選,低電平使能

/******************************************************************************
函數說明: 系統延時函數
******************************************************************************/
void delay_ms(u8 ms)
{
   u16 i;
   do{
      i = MAIN_Fosc / 6000;
      while(--i);
   }while(--ms);
}
/******************************************************************************
   硬件SPI數據傳送函數
/******************************************************************************/
void SPI_WriteData(unsigned char data1)
{

cs=0;
SPDAT=data1; //待發送數據存入數據寄存器
while(SPIF == 0) ;  //等待寫入完成
SPSTAT=0xC0;  //SPIF=1,WCOL=1清除標志
cs=1;
}
/******************************************************************************
   硬件SPI初始化(SPI速率(speed值取:0/1/2/3,分別對應晶振的:4/16/64/128分頻))
*******************************************************************************/
void SPI_init(u8 speed)
{
P_SW1=0x00; //spi口在P1       //IO口切換. 0: P1.2/P5.4 P1.3 P1.4 P1.5,  1: P2.2 P2.3 P2.4 P2.5,
                                             //2: P5.4 P4.0 P4.1 P4.3,    3: P3.5 P3.4 P3.3 P3.2
SPDAT=0;    //數據寄存器清0
SPSTAT=0xC0; //清SPI狀態SPIF和WCOL寫1清0
SPCTL=0xD3;  //1101 11xx 主模式,使能,先傳數據最高位,前時鐘為下降沿,并在下降沿驅動數據,上升沿檢測數據
}
/******************************************************************************
   函數說明：LCD復位時序函數
******************************************************************************/
void Reset(void)
{
reset=0;
delay_ms(100);
reset=1;
delay_ms(100);
}
/******************************************************************************
   函數說明：LCD寫入8位指令
******************************************************************************/
void Lcd_WriteIndex(u8 Data)
{
rs=0;                //DC引腳；0=寫命令
SPI_WriteData(Data);
}
/******************************************************************************
   函數說明：LCD寫入8位數據
******************************************************************************/
void Lcd_WriteData(u8 Data)
{
rs=1;                   //DC引腳；1=寫數據
SPI_WriteData(Data);
}
/******************************************************************************
   函數說明：LCD寫入16位數據
******************************************************************************/
void Lcd_WriteData_16(unsigned int Data)
{
//cs=0;
rs=1;
SPI_WriteData(Data>>8);
SPI_WriteData(Data);
//cs=1;
}
/******************************************************************************
   函數說明：LCD初始化  ST7735
******************************************************************************/
void lcd_initial(void)
{
Reset();//Reset before LCD Init.

//1.44Inch LCD Panel with ST7735R.
Lcd_WriteIndex(0x11);//Sleep exit
delay_ms(120);

//ST7735R Frame Rate
Lcd_WriteIndex(0xB1);
Lcd_WriteData(0x01);
Lcd_WriteData(0x2C);
Lcd_WriteData(0x2D);

Lcd_WriteIndex(0xB2);
Lcd_WriteData(0x01);
Lcd_WriteData(0x2C);
Lcd_WriteData(0x2D);

Lcd_WriteIndex(0xB3);
Lcd_WriteData(0x01);
Lcd_WriteData(0x2C);
Lcd_WriteData(0x2D);
Lcd_WriteData(0x01);
Lcd_WriteData(0x2C);
Lcd_WriteData(0x2D);

Lcd_WriteIndex(0xB4); //Column inversion
Lcd_WriteData(0x07);

//ST7735R Power Sequence
Lcd_WriteIndex(0xC0);
Lcd_WriteData(0xA2);
Lcd_WriteData(0x02);
Lcd_WriteData(0x84);
Lcd_WriteIndex(0xC1);
Lcd_WriteData(0xC5);

Lcd_WriteIndex(0xC2);
Lcd_WriteData(0x0A);
Lcd_WriteData(0x00);

Lcd_WriteIndex(0xC3);
Lcd_WriteData(0x8A);
Lcd_WriteData(0x2A);
Lcd_WriteIndex(0xC4);
Lcd_WriteData(0x8A);
Lcd_WriteData(0xEE);

Lcd_WriteIndex(0xC5); //VCOM
Lcd_WriteData(0x0E);

Lcd_WriteIndex(0x36); //MX, MY, RGB mode
Lcd_WriteData(0xc8); //A0橫屏

//ST7735R Gamma Sequence
Lcd_WriteIndex(0xe0);
Lcd_WriteData(0x0f);
Lcd_WriteData(0x1a);
Lcd_WriteData(0x0f);
Lcd_WriteData(0x18);
Lcd_WriteData(0x2f);
Lcd_WriteData(0x28);
Lcd_WriteData(0x20);
Lcd_WriteData(0x22);
Lcd_WriteData(0x1f);
Lcd_WriteData(0x1b);
Lcd_WriteData(0x23);
Lcd_WriteData(0x37);
Lcd_WriteData(0x00);
Lcd_WriteData(0x07);
Lcd_WriteData(0x02);
Lcd_WriteData(0x10);

Lcd_WriteIndex(0xe1);
Lcd_WriteData(0x0f);
Lcd_WriteData(0x1b);
Lcd_WriteData(0x0f);
Lcd_WriteData(0x17);
Lcd_WriteData(0x33);
Lcd_WriteData(0x2c);
Lcd_WriteData(0x29);
Lcd_WriteData(0x2e);
Lcd_WriteData(0x30);
Lcd_WriteData(0x30);
Lcd_WriteData(0x39);
Lcd_WriteData(0x3f);
Lcd_WriteData(0x00);
Lcd_WriteData(0x07);
Lcd_WriteData(0x03);
Lcd_WriteData(0x10);

Lcd_WriteIndex(0x2a);
Lcd_WriteData(0x00);
Lcd_WriteData(0x00+2);
Lcd_WriteData(0x00);
Lcd_WriteData(0x80+2);

Lcd_WriteIndex(0x2b);
Lcd_WriteData(0x00);
Lcd_WriteData(0x00+3);
Lcd_WriteData(0x00);
Lcd_WriteData(0x80+3);

Lcd_WriteIndex(0xF0); //Enable test command
Lcd_WriteData(0x01);
Lcd_WriteIndex(0xF6); //Disable ram power save mode
Lcd_WriteData(0x00);

Lcd_WriteIndex(0x3A); //65k mode
Lcd_WriteData(0x05);

Lcd_WriteIndex(0x29);//Display on
}
/*************************************************
功能：設置lcd顯示區域，在此區域寫點數據自動換行
入口參數：x1,x2,y1,y2起點和終點
*************************************************/
void Lcd_SetRegion(u16 x1,u16 y1,u16 x2,u16 y2)
{
Lcd_WriteIndex(0x2a);
Lcd_WriteData(0x00);
Lcd_WriteData(x1+2);
Lcd_WriteData(0x00);
Lcd_WriteData(x2+2)

Lcd_WriteIndex(0x2b);
Lcd_WriteData(0x00);
Lcd_WriteData(y1+3);
Lcd_WriteData(0x00);
Lcd_WriteData(y2+3);

Lcd_WriteIndex(0x2c);
}
/*****************************************************************************
   函數說明：在指定區域填充顏色 Color;顏色
******************************************************************************/
void LCD_Clear(u16 Color)
{
u8 i,j;
Lcd_SetRegion(0,0,128-1,128-1);  //(x起點、y起點，x終點、y終點)
for (i=0;i<128;i++)
{
for (j=0;j<128;j++)
{
        Lcd_WriteData_16(Color);
}
}
}
/******************************************************************************
函數說明：在指定位置畫點 x,y 畫點坐標  color 點的顏色
******************************************************************************/
void LCD_DrawPoint(u16 x,u16 y,u16 color)
{
Lcd_SetRegion();
Lcd_WriteData_16(color);
}

/*****************************************************************************
   主函數
******************************************************************************/
main()
{
P_SW2 |= 0x80;  //擴展寄存器(XFR)訪問使能
   P1M0=0x00; P1M1=0x00; //IO口設置推挽輸出
SPI_init(0);    //SPI初始化
lcd_initial();
bl=1;

while(1)
   {
   LCD_Clear(red); //屏背景顏色
//LCD_DrawPoint(60,60,white);
   }
}

作者: lkc8210 時間: 2025-1-2 17:50
本帖最后由 lkc8210 于 2025-1-2 17:54 編輯

這代碼編譯都不成功吧？

作者: 芙蓉焊料 時間: 2025-1-3 02:28

lkc8210 發表于 2025-1-2 17:50
這代碼編譯都不成功吧？

編譯可以通過，標注的地方也注釋掉了，在stc32下能正常顯示，這是為什么呢？

歡迎光臨 (http://www.raoushi.com/bbs/)