```c
#include "i2c.h"
#include "stc15f104.h"
void Delay5us() //@11.0592MHz
{
unsigned char i;
i=11;
i = 22;
while (--i);
}
//*************************************************************************************************
//I2C起始信號
//*************************************************************************************************
void I2C_Start()
{
SDA = 1; //拉高數據線
SCL = 1; //拉高時鐘線
Delay5us(); //延時
SDA = 0; //產生下降沿
Delay5us(); //延時
SCL = 0; //拉低時鐘線
}
//*************************************************************************************************
//I2C停止信號
//*************************************************************************************************
void I2C_Stop()
{
SDA = 0; //拉低數據線
SCL = 1; //拉高時鐘線
Delay5us(); //延時
SDA = 1; //產生上升沿
Delay5us(); //延時
}
//**************************************************************************************************
//I2C發送應答信號
//入口參數:ack (0:ACK 1:NAK)
//**************************************************************************************************
void I2C_SendACK(bit ack)
{
SDA = ack; //寫應答信號
SCL = 1; //拉高時鐘線
Delay5us(); //延時
SCL = 0; //拉低時鐘線
Delay5us(); //延時
}
//****************************************************************************************************
//I2C接收應答信號
//****************************************************************************************************
bit I2C_RecvACK()
{
SCL = 1; //拉高時鐘線
Delay5us(); //延時
CY = SDA; //讀應答信號
SCL = 0; //拉低時鐘線
Delay5us(); //延時
return CY;
}
//*****************************************************************************************************
//向I2C總線發送一個字節數據
//*****************************************************************************************************
void I2C_SendByte(uchar dat)
{
uchar i;
for (i=0; i<8; i++) //8位計數器
{
dat <<= 1; //移出數據的最高位
SDA = CY; //送數據口
SCL = 1; //拉高時鐘線
Delay5us(); //延時
SCL = 0; //拉低時鐘線
Delay5us(); //延時
}
I2C_RecvACK();
}
//*****************************************************************************************************
//從I2C總線接收一個字節數據
//******************************************************************************************************
uchar I2C_RecvByte()
{
uchar i;
uchar dat = 0;
SDA = 1; //使能內部上拉,準備讀取數據,
for (i=0; i<8; i++) //8位計數器
{
dat <<= 1;
SCL = 1; //拉高時鐘線
Delay5us(); //延時
dat |= SDA; //讀數據
SCL = 0; //拉低時鐘線
Delay5us(); //延時
}
return dat;
}
bit I2C_Busy()
{
if(SCL==1 && SDA==1)return 0;
else return 1;
}
//*****************************************************************************************************
//向指定器件的指定寄存器寫入一個數據
//@param1：器件地址
//@param2：寄存器地址
//@param3：數據
//*****************************************************************************************************
void I2C_WriteData(uchar addr , uchar reg , uchar command)
{
I2C_Start();
I2C_SendByte(addr);
I2C_SendByte(reg);
I2C_SendByte(command);
I2C_Stop();
}
#ifdef IIC_OLED
#include "oledfont.h"
void I2C_OLED_Init()
{
unsigned int a;
for(a=0;a<5000;a++);
I2C_WriteData(IIC_OLED,IIC_OLED_DATA_REG,0xAE);//--turn off oled panel
I2C_WriteData(IIC_OLED,IIC_OLED_DATA_REG,0x00);//---set low column address
I2C_WriteData(IIC_OLED,IIC_OLED_DATA_REG,0x10);//---set high column address
I2C_WriteData(IIC_OLED,IIC_OLED_DATA_REG,0x40);//--set start line address Set Mapping RAM Display Start Line (0x00~0x3F)
I2C_WriteData(IIC_OLED,IIC_OLED_DATA_REG,0xB0);
I2C_WriteData(IIC_OLED,IIC_OLED_DATA_REG,0x81);//--set contrast control register
I2C_WriteData(IIC_OLED,IIC_OLED_DATA_REG,0xFF); // Set SEG Output Current Brightness
I2C_WriteData(IIC_OLED,IIC_OLED_DATA_REG,0xa1);//--Set SEG/Column Mapping 0xa0左右反置 0xa1正常
I2C_WriteData(IIC_OLED,IIC_OLED_DATA_REG,0xc8);//Set COM/Row Scan Direction 0xc0上下反置 0xc8正常
I2C_WriteData(IIC_OLED,IIC_OLED_DATA_REG,0xa6);//--set normal display
I2C_WriteData(IIC_OLED,IIC_OLED_DATA_REG,0xa8);//--set multiplex ratio(1 to 64)
I2C_WriteData(IIC_OLED,IIC_OLED_DATA_REG,0x3f);//--1/64 duty
I2C_WriteData(IIC_OLED,IIC_OLED_DATA_REG,0xd3);//-set display offset Shift Mapping RAM Counter (0x00~0x3F)
I2C_WriteData(IIC_OLED,IIC_OLED_DATA_REG,0x00);//-not offset
I2C_WriteData(IIC_OLED,IIC_OLED_DATA_REG,0xd5);//--set display clock divide ratio/oscillator frequency
I2C_WriteData(IIC_OLED,IIC_OLED_DATA_REG,0x80);//--set divide ratio, Set Clock as 100 Frames/Sec
I2C_WriteData(IIC_OLED,IIC_OLED_DATA_REG,0xd9);//--set pre-charge period
I2C_WriteData(IIC_OLED,IIC_OLED_DATA_REG,0xf1);//Set Pre-Charge as 15 Clocks & Discharge as 1 Clock
I2C_WriteData(IIC_OLED,IIC_OLED_DATA_REG,0xda);//--set com pins hardware configuration
I2C_WriteData(IIC_OLED,IIC_OLED_DATA_REG,0x12);
I2C_WriteData(IIC_OLED,IIC_OLED_DATA_REG,0xdb);//--set vcomh
I2C_WriteData(IIC_OLED,IIC_OLED_DATA_REG,0x40);//Set VCOM Deselect Level
I2C_WriteData(IIC_OLED,IIC_OLED_DATA_REG,0x20);//-Set Page Addressing Mode (0x00/0x01/0x02)
I2C_WriteData(IIC_OLED,IIC_OLED_DATA_REG,0x02);//
I2C_WriteData(IIC_OLED,IIC_OLED_DATA_REG,0x8d);//--set Charge Pump enable/disable
I2C_WriteData(IIC_OLED,IIC_OLED_DATA_REG,0x14);//--set(0x10) disable
I2C_WriteData(IIC_OLED,IIC_OLED_DATA_REG,0xa4);// Disable Entire Display On (0xa4/0xa5)
I2C_WriteData(IIC_OLED,IIC_OLED_DATA_REG,0xa6);// Disable Inverse Display On (0xa6/a7)
I2C_WriteData(IIC_OLED,IIC_OLED_DATA_REG,0xaf);//--turn on oled panel
I2C_OLED_Clear();//OLED清屏
}
void I2C_OLED_Clear(void)
{
unsigned char i,n;
for(i=0; i<8; i++)
{
I2C_WriteData(IIC_OLED,IIC_OLED_CMD_REG,0xb0+i); //設置頁地址（0~7）
I2C_WriteData(IIC_OLED,IIC_OLED_CMD_REG,0x00); //設置顯示位置—列低地址
I2C_WriteData(IIC_OLED,IIC_OLED_CMD_REG,0x10); //設置顯示位置—列高地址
for(n=0; n<128; n++) I2C_WriteData(IIC_OLED,IIC_OLED_DATA_REG,0x00); //寫0x00到屏幕寄存器上
}
}
//------將OLED從休眠中喚醒------
void I2C_OLED_Display_On(void)
{
I2C_WriteData(IIC_OLED,IIC_OLED_CMD_REG,0X8D); //設置電荷泵
I2C_WriteData(IIC_OLED,IIC_OLED_CMD_REG,0X14); //開啟電荷泵
I2C_WriteData(IIC_OLED,IIC_OLED_CMD_REG,0XAF); //OLED喚醒
}
//------讓OLED休眠 -- 休眠模式下,OLED功耗不到10uA------
void I2C_OLED_Display_Off(void)
{
I2C_WriteData(IIC_OLED,IIC_OLED_CMD_REG,0X8D); //設置電荷泵
I2C_WriteData(IIC_OLED,IIC_OLED_CMD_REG,0X10); //關閉電荷泵
I2C_WriteData(IIC_OLED,IIC_OLED_CMD_REG,0XAE); //OLED休眠
}
void I2C_OLED_Set_Pos(unsigned char x, unsigned char y)
{
I2C_WriteData(IIC_OLED,IIC_OLED_CMD_REG,0xb0+y);
I2C_WriteData(IIC_OLED,IIC_OLED_CMD_REG,((x&0xf0)>>4)|0x10);
I2C_WriteData(IIC_OLED,IIC_OLED_CMD_REG,(x&0x0f)|0x01);
}
//在指定位置顯示一個字符,包括部分字符
//x:0~127
//y:0~63
//mode:0,反白顯示;1,正常顯示
//size:選擇字體 16/8
void I2C_OLED_ShowChar(u8 x,u8 y,u8 chr)
{
unsigned char c=0,i=0;
c=chr-' ';//得到偏移后的值
if(x>Max_Column-1){x=0;y=y+2;}
if(OLED_SIZE ==16)
{
I2C_OLED_Set_Pos(x,y);
for(i=0;i<8;i++)
I2C_WriteData(IIC_OLED,IIC_OLED_DATA_REG,F8X16[c*16+i]);
I2C_OLED_Set_Pos(x,y+1);
for(i=0;i<8;i++)
I2C_WriteData(IIC_OLED,IIC_OLED_DATA_REG,F8X16[c*16+i+8]);
}
else
{
I2C_OLED_Set_Pos(x,y+1);
for(i=0;i<6;i++)
I2C_WriteData(IIC_OLED,IIC_OLED_DATA_REG,F6x8[c][i]);
}
}
//畫點
//x:0~127
//y:0~63
//t:1 填充 0,清空
void I2C_OLED_DrawPoint(u8 x,u8 y,u8 t)
{
u8 pos,by,temp=0;
if(x>127||y>63)return;//超出范圍了.
pos=7-y/8; //當正常面對屏幕，由上至下是頁7~0,左下角才是原點，就是為了糾正到實際頁號
by=y%8; //這里是為了要移位，因為沿x軸翻轉，自然上下要調換，你可以在坐標系上畫個q，沿x軸翻轉后得到的d
temp=1<<(7-by); //"1"左移（7-bx）個位 ，這里易錯，誤以為（7-bx）左移1個位
//I2C_OLED_Set_Pos(x,pos);
I2C_WriteData(IIC_OLED,IIC_OLED_CMD_REG,0xb0+pos);
I2C_WriteData(IIC_OLED,IIC_OLED_CMD_REG,((x&0xf0)>>4)|0x10);
I2C_WriteData(IIC_OLED,IIC_OLED_CMD_REG,(x&0x0f));
if(t)I2C_WriteData(IIC_OLED,IIC_OLED_DATA_REG,temp);
else I2C_WriteData(IIC_OLED,IIC_OLED_DATA_REG,~temp);
}
#endif
```
```c
#ifndef __OLEDFONT_H
#define __OLEDFONT_H
//常用ASCII表
//偏移量32
//ASCII字符集
//偏移量32
//大小:12*6
/************************************6*8的點陣************************************/
const unsigned char code F6x8[][6] =
{
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,// sp
0x00, 0x00, 0x00, 0x2f, 0x00, 0x00,// !
0x00, 0x00, 0x07, 0x00, 0x07, 0x00,// "
0x00, 0x14, 0x7f, 0x14, 0x7f, 0x14,// #
0x00, 0x24, 0x2a, 0x7f, 0x2a, 0x12,// $
0x00, 0x62, 0x64, 0x08, 0x13, 0x23,// %
0x00, 0x36, 0x49, 0x55, 0x22, 0x50,// &
0x00, 0x00, 0x05, 0x03, 0x00, 0x00,// '
0x00, 0x00, 0x1c, 0x22, 0x41, 0x00,// (
0x00, 0x00, 0x41, 0x22, 0x1c, 0x00,// )
0x00, 0x14, 0x08, 0x3E, 0x08, 0x14,// *
0x00, 0x08, 0x08, 0x3E, 0x08, 0x08,// +
0x00, 0x00, 0x00, 0xA0, 0x60, 0x00,// ,
0x00, 0x08, 0x08, 0x08, 0x08, 0x08,// -
0x00, 0x00, 0x60, 0x60, 0x00, 0x00,// .
0x00, 0x20, 0x10, 0x08, 0x04, 0x02,// /
0x00, 0x3E, 0x51, 0x49, 0x45, 0x3E,// 0
0x00, 0x00, 0x42, 0x7F, 0x40, 0x00,// 1
0x00, 0x42, 0x61, 0x51, 0x49, 0x46,// 2
0x00, 0x21, 0x41, 0x45, 0x4B, 0x31,// 3
0x00, 0x18, 0x14, 0x12, 0x7F, 0x10,// 4
0x00, 0x27, 0x45, 0x45, 0x45, 0x39,// 5
0x00, 0x3C, 0x4A, 0x49, 0x49, 0x30,// 6
0x00, 0x01, 0x71, 0x09, 0x05, 0x03,// 7
0x00, 0x36, 0x49, 0x49, 0x49, 0x36,// 8
0x00, 0x06, 0x49, 0x49, 0x29, 0x1E,// 9
0x00, 0x00, 0x36, 0x36, 0x00, 0x00,// :
0x00, 0x00, 0x56, 0x36, 0x00, 0x00,// ;
0x00, 0x08, 0x14, 0x22, 0x41, 0x00,// <
0x00, 0x14, 0x14, 0x14, 0x14, 0x14,// =
0x00, 0x00, 0x41, 0x22, 0x14, 0x08,// >
0x00, 0x02, 0x01, 0x51, 0x09, 0x06,// ?
0x00, 0x32, 0x49, 0x59, 0x51, 0x3E,// @
0x00, 0x7C, 0x12, 0x11, 0x12, 0x7C,// A
0x00, 0x7F, 0x49, 0x49, 0x49, 0x36,// B
0x00, 0x3E, 0x41, 0x41, 0x41, 0x22,// C
0x00, 0x7F, 0x41, 0x41, 0x22, 0x1C,// D
0x00, 0x7F, 0x49, 0x49, 0x49, 0x41,// E
0x00, 0x7F, 0x09, 0x09, 0x09, 0x01,// F
0x00, 0x3E, 0x41, 0x49, 0x49, 0x7A,// G
0x00, 0x7F, 0x08, 0x08, 0x08, 0x7F,// H
0x00, 0x00, 0x41, 0x7F, 0x41, 0x00,// I
0x00, 0x20, 0x40, 0x41, 0x3F, 0x01,// J
0x00, 0x7F, 0x08, 0x14, 0x22, 0x41,// K
0x00, 0x7F, 0x40, 0x40, 0x40, 0x40,// L
0x00, 0x7F, 0x02, 0x0C, 0x02, 0x7F,// M
0x00, 0x7F, 0x04, 0x08, 0x10, 0x7F,// N
0x00, 0x3E, 0x41, 0x41, 0x41, 0x3E,// O
0x00, 0x7F, 0x09, 0x09, 0x09, 0x06,// P
0x00, 0x3E, 0x41, 0x51, 0x21, 0x5E,// Q
0x00, 0x7F, 0x09, 0x19, 0x29, 0x46,// R
0x00, 0x46, 0x49, 0x49, 0x49, 0x31,// S
0x00, 0x01, 0x01, 0x7F, 0x01, 0x01,// T
0x00, 0x3F, 0x40, 0x40, 0x40, 0x3F,// U
0x00, 0x1F, 0x20, 0x40, 0x20, 0x1F,// V
0x00, 0x3F, 0x40, 0x38, 0x40, 0x3F,// W
0x00, 0x63, 0x14, 0x08, 0x14, 0x63,// X
0x00, 0x07, 0x08, 0x70, 0x08, 0x07,// Y
0x00, 0x61, 0x51, 0x49, 0x45, 0x43,// Z
0x00, 0x00, 0x7F, 0x41, 0x41, 0x00,// [
0x00, 0x55, 0x2A, 0x55, 0x2A, 0x55,// 55
0x00, 0x00, 0x41, 0x41, 0x7F, 0x00,// ]
0x00, 0x04, 0x02, 0x01, 0x02, 0x04,// ^
0x00, 0x40, 0x40, 0x40, 0x40, 0x40,// _
0x00, 0x00, 0x01, 0x02, 0x04, 0x00,// '
0x00, 0x20, 0x54, 0x54, 0x54, 0x78,// a
0x00, 0x7F, 0x48, 0x44, 0x44, 0x38,// b
0x00, 0x38, 0x44, 0x44, 0x44, 0x20,// c
0x00, 0x38, 0x44, 0x44, 0x48, 0x7F,// d
0x00, 0x38, 0x54, 0x54, 0x54, 0x18,// e
0x00, 0x08, 0x7E, 0x09, 0x01, 0x02,// f
0x00, 0x18, 0xA4, 0xA4, 0xA4, 0x7C,// g
0x00, 0x7F, 0x08, 0x04, 0x04, 0x78,// h
0x00, 0x00, 0x44, 0x7D, 0x40, 0x00,// i
0x00, 0x40, 0x80, 0x84, 0x7D, 0x00,// j
0x00, 0x7F, 0x10, 0x28, 0x44, 0x00,// k
0x00, 0x00, 0x41, 0x7F, 0x40, 0x00,// l
0x00, 0x7C, 0x04, 0x18, 0x04, 0x78,// m
0x00, 0x7C, 0x08, 0x04, 0x04, 0x78,// n
0x00, 0x38, 0x44, 0x44, 0x44, 0x38,// o
0x00, 0xFC, 0x24, 0x24, 0x24, 0x18,// p
0x00, 0x18, 0x24, 0x24, 0x18, 0xFC,// q
0x00, 0x7C, 0x08, 0x04, 0x04, 0x08,// r
0x00, 0x48, 0x54, 0x54, 0x54, 0x20,// s
0x00, 0x04, 0x3F, 0x44, 0x40, 0x20,// t
0x00, 0x3C, 0x40, 0x40, 0x20, 0x7C,// u
0x00, 0x1C, 0x20, 0x40, 0x20, 0x1C,// v
0x00, 0x3C, 0x40, 0x30, 0x40, 0x3C,// w
0x00, 0x44, 0x28, 0x10, 0x28, 0x44,// x
0x00, 0x1C, 0xA0, 0xA0, 0xA0, 0x7C,// y
0x00, 0x44, 0x64, 0x54, 0x4C, 0x44,// z
0x14, 0x14, 0x14, 0x14, 0x14, 0x14// horiz lines
};
/****************************************8*16的點陣************************************/
unsigned char F8X16[]={0};
/*
unsigned char code F8X16[]=
{
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,// 0
0x00,0x00,0x00,0xF8,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x33,0x30,0x00,0x00,0x00,//! 1
0x00,0x10,0x0C,0x06,0x10,0x0C,0x06,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//" 2
0x40,0xC0,0x78,0x40,0xC0,0x78,0x40,0x00,0x04,0x3F,0x04,0x04,0x3F,0x04,0x04,0x00,//# 3
0x00,0x70,0x88,0xFC,0x08,0x30,0x00,0x00,0x00,0x18,0x20,0xFF,0x21,0x1E,0x00,0x00,//$ 4
0xF0,0x08,0xF0,0x00,0xE0,0x18,0x00,0x00,0x00,0x21,0x1C,0x03,0x1E,0x21,0x1E,0x00,//% 5
0x00,0xF0,0x08,0x88,0x70,0x00,0x00,0x00,0x1E,0x21,0x23,0x24,0x19,0x27,0x21,0x10,//& 6
0x10,0x16,0x0E,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//' 7
0x00,0x00,0x00,0xE0,0x18,0x04,0x02,0x00,0x00,0x00,0x00,0x07,0x18,0x20,0x40,0x00,//( 8
0x00,0x02,0x04,0x18,0xE0,0x00,0x00,0x00,0x00,0x40,0x20,0x18,0x07,0x00,0x00,0x00,//) 9
0x40,0x40,0x80,0xF0,0x80,0x40,0x40,0x00,0x02,0x02,0x01,0x0F,0x01,0x02,0x02,0x00,//* 10
0x00,0x00,0x00,0xF0,0x00,0x00,0x00,0x00,0x01,0x01,0x01,0x1F,0x01,0x01,0x01,0x00,//+ 11
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0xB0,0x70,0x00,0x00,0x00,0x00,0x00,//, 12
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x01,0x01,0x01,0x01,0x01,0x01,//- 13
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x30,0x30,0x00,0x00,0x00,0x00,0x00,//. 14
0x00,0x00,0x00,0x00,0x80,0x60,0x18,0x04,0x00,0x60,0x18,0x06,0x01,0x00,0x00,0x00,/// 15
0x00,0xE0,0x10,0x08,0x08,0x10,0xE0,0x00,0x00,0x0F,0x10,0x20,0x20,0x10,0x0F,0x00,//0 16
0x00,0x10,0x10,0xF8,0x00,0x00,0x00,0x00,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,//1 17
0x00,0x70,0x08,0x08,0x08,0x88,0x70,0x00,0x00,0x30,0x28,0x24,0x22,0x21,0x30,0x00,//2 18
0x00,0x30,0x08,0x88,0x88,0x48,0x30,0x00,0x00,0x18,0x20,0x20,0x20,0x11,0x0E,0x00,//3 19
0x00,0x00,0xC0,0x20,0x10,0xF8,0x00,0x00,0x00,0x07,0x04,0x24,0x24,0x3F,0x24,0x00,//4 20
0x00,0xF8,0x08,0x88,0x88,0x08,0x08,0x00,0x00,0x19,0x21,0x20,0x20,0x11,0x0E,0x00,//5 21
0x00,0xE0,0x10,0x88,0x88,0x18,0x00,0x00,0x00,0x0F,0x11,0x20,0x20,0x11,0x0E,0x00,//6 22
0x00,0x38,0x08,0x08,0xC8,0x38,0x08,0x00,0x00,0x00,0x00,0x3F,0x00,0x00,0x00,0x00,//7 23
0x00,0x70,0x88,0x08,0x08,0x88,0x70,0x00,0x00,0x1C,0x22,0x21,0x21,0x22,0x1C,0x00,//8 24
0x00,0xE0,0x10,0x08,0x08,0x10,0xE0,0x00,0x00,0x00,0x31,0x22,0x22,0x11,0x0F,0x00,//9 25
0x00,0x00,0x00,0xC0,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x30,0x30,0x00,0x00,0x00,//: 26
0x00,0x00,0x00,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0x60,0x00,0x00,0x00,0x00,//; 27
0x00,0x00,0x80,0x40,0x20,0x10,0x08,0x00,0x00,0x01,0x02,0x04,0x08,0x10,0x20,0x00,//< 28
0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x00,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x00,//= 29
0x00,0x08,0x10,0x20,0x40,0x80,0x00,0x00,0x00,0x20,0x10,0x08,0x04,0x02,0x01,0x00,//> 30
0x00,0x70,0x48,0x08,0x08,0x08,0xF0,0x00,0x00,0x00,0x00,0x30,0x36,0x01,0x00,0x00,//? 31
0xC0,0x30,0xC8,0x28,0xE8,0x10,0xE0,0x00,0x07,0x18,0x27,0x24,0x23,0x14,0x0B,0x00,//@ 32
0x00,0x00,0xC0,0x38,0xE0,0x00,0x00,0x00,0x20,0x3C,0x23,0x02,0x02,0x27,0x38,0x20,//A 33
0x08,0xF8,0x88,0x88,0x88,0x70,0x00,0x00,0x20,0x3F,0x20,0x20,0x20,0x11,0x0E,0x00,//B 34
0xC0,0x30,0x08,0x08,0x08,0x08,0x38,0x00,0x07,0x18,0x20,0x20,0x20,0x10,0x08,0x00,//C 35
0x08,0xF8,0x08,0x08,0x08,0x10,0xE0,0x00,0x20,0x3F,0x20,0x20,0x20,0x10,0x0F,0x00,//D 36
0x08,0xF8,0x88,0x88,0xE8,0x08,0x10,0x00,0x20,0x3F,0x20,0x20,0x23,0x20,0x18,0x00,//E 37
0x08,0xF8,0x88,0x88,0xE8,0x08,0x10,0x00,0x20,0x3F,0x20,0x00,0x03,0x00,0x00,0x00,//F 38
0xC0,0x30,0x08,0x08,0x08,0x38,0x00,0x00,0x07,0x18,0x20,0x20,0x22,0x1E,0x02,0x00,//G 39
0x08,0xF8,0x08,0x00,0x00,0x08,0xF8,0x08,0x20,0x3F,0x21,0x01,0x01,0x21,0x3F,0x20,//H 40
0x00,0x08,0x08,0xF8,0x08,0x08,0x00,0x00,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,//I 41
0x00,0x00,0x08,0x08,0xF8,0x08,0x08,0x00,0xC0,0x80,0x80,0x80,0x7F,0x00,0x00,0x00,//J 42
0x08,0xF8,0x88,0xC0,0x28,0x18,0x08,0x00,0x20,0x3F,0x20,0x01,0x26,0x38,0x20,0x00,//K 43
0x08,0xF8,0x08,0x00,0x00,0x00,0x00,0x00,0x20,0x3F,0x20,0x20,0x20,0x20,0x30,0x00,//L 44
0x08,0xF8,0xF8,0x00,0xF8,0xF8,0x08,0x00,0x20,0x3F,0x00,0x3F,0x00,0x3F,0x20,0x00,//M 45
0x08,0xF8,0x30,0xC0,0x00,0x08,0xF8,0x08,0x20,0x3F,0x20,0x00,0x07,0x18,0x3F,0x00,//N 46
0xE0,0x10,0x08,0x08,0x08,0x10,0xE0,0x00,0x0F,0x10,0x20,0x20,0x20,0x10,0x0F,0x00,//O 47
0x08,0xF8,0x08,0x08,0x08,0x08,0xF0,0x00,0x20,0x3F,0x21,0x01,0x01,0x01,0x00,0x00,//P 48
0xE0,0x10,0x08,0x08,0x08,0x10,0xE0,0x00,0x0F,0x18,0x24,0x24,0x38,0x50,0x4F,0x00,//Q 49
0x08,0xF8,0x88,0x88,0x88,0x88,0x70,0x00,0x20,0x3F,0x20,0x00,0x03,0x0C,0x30,0x20,//R 50
0x00,0x70,0x88,0x08,0x08,0x08,0x38,0x00,0x00,0x38,0x20,0x21,0x21,0x22,0x1C,0x00,//S 51
0x18,0x08,0x08,0xF8,0x08,0x08,0x18,0x00,0x00,0x00,0x20,0x3F,0x20,0x00,0x00,0x00,//T 52
0x08,0xF8,0x08,0x00,0x00,0x08,0xF8,0x08,0x00,0x1F,0x20,0x20,0x20,0x20,0x1F,0x00,//U 53
0x08,0x78,0x88,0x00,0x00,0xC8,0x38,0x08,0x00,0x00,0x07,0x38,0x0E,0x01,0x00,0x00,//V 54
0xF8,0x08,0x00,0xF8,0x00,0x08,0xF8,0x00,0x03,0x3C,0x07,0x00,0x07,0x3C,0x03,0x00,//W 55
0x08,0x18,0x68,0x80,0x80,0x68,0x18,0x08,0x20,0x30,0x2C,0x03,0x03,0x2C,0x30,0x20,//X 56
0x08,0x38,0xC8,0x00,0xC8,0x38,0x08,0x00,0x00,0x00,0x20,0x3F,0x20,0x00,0x00,0x00,//Y 57
0x10,0x08,0x08,0x08,0xC8,0x38,0x08,0x00,0x20,0x38,0x26,0x21,0x20,0x20,0x18,0x00,//Z 58
0x00,0x00,0x00,0xFE,0x02,0x02,0x02,0x00,0x00,0x00,0x00,0x7F,0x40,0x40,0x40,0x00,//[ 59
0x00,0x0C,0x30,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x06,0x38,0xC0,0x00,//\ 60
0x00,0x02,0x02,0x02,0xFE,0x00,0x00,0x00,0x00,0x40,0x40,0x40,0x7F,0x00,0x00,0x00,//] 61
0x00,0x00,0x04,0x02,0x02,0x02,0x04,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//^ 62
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,//_ 63
0x00,0x02,0x02,0x04,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//` 64
0x00,0x00,0x80,0x80,0x80,0x80,0x00,0x00,0x00,0x19,0x24,0x22,0x22,0x22,0x3F,0x20,//a 65
0x08,0xF8,0x00,0x80,0x80,0x00,0x00,0x00,0x00,0x3F,0x11,0x20,0x20,0x11,0x0E,0x00,//b 66
0x00,0x00,0x00,0x80,0x80,0x80,0x00,0x00,0x00,0x0E,0x11,0x20,0x20,0x20,0x11,0x00,//c 67
0x00,0x00,0x00,0x80,0x80,0x88,0xF8,0x00,0x00,0x0E,0x11,0x20,0x20,0x10,0x3F,0x20,//d 68
0x00,0x00,0x80,0x80,0x80,0x80,0x00,0x00,0x00,0x1F,0x22,0x22,0x22,0x22,0x13,0x00,//e 69
0x00,0x80,0x80,0xF0,0x88,0x88,0x88,0x18,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,//f 70
0x00,0x00,0x80,0x80,0x80,0x80,0x80,0x00,0x00,0x6B,0x94,0x94,0x94,0x93,0x60,0x00,//g 71
0x08,0xF8,0x00,0x80,0x80,0x80,0x00,0x00,0x20,0x3F,0x21,0x00,0x00,0x20,0x3F,0x20,//h 72
0x00,0x80,0x98,0x98,0x00,0x00,0x00,0x00,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,//i 73
0x00,0x00,0x00,0x80,0x98,0x98,0x00,0x00,0x00,0xC0,0x80,0x80,0x80,0x7F,0x00,0x00,//j 74
0x08,0xF8,0x00,0x00,0x80,0x80,0x80,0x00,0x20,0x3F,0x24,0x02,0x2D,0x30,0x20,0x00,//k 75
0x00,0x08,0x08,0xF8,0x00,0x00,0x00,0x00,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,//l 76
0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x00,0x20,0x3F,0x20,0x00,0x3F,0x20,0x00,0x3F,//m 77
0x80,0x80,0x00,0x80,0x80,0x80,0x00,0x00,0x20,0x3F,0x21,0x00,0x00,0x20,0x3F,0x20,//n 78
0x00,0x00,0x80,0x80,0x80,0x80,0x00,0x00,0x00,0x1F,0x20,0x20,0x20,0x20,0x1F,0x00,//o 79
0x80,0x80,0x00,0x80,0x80,0x00,0x00,0x00,0x80,0xFF,0xA1,0x20,0x20,0x11,0x0E,0x00,//p 80
0x00,0x00,0x00,0x80,0x80,0x80,0x80,0x00,0x00,0x0E,0x11,0x20,0x20,0xA0,0xFF,0x80,//q 81
0x80,0x80,0x80,0x00,0x80,0x80,0x80,0x00,0x20,0x20,0x3F,0x21,0x20,0x00,0x01,0x00,//r 82
0x00,0x00,0x80,0x80,0x80,0x80,0x80,0x00,0x00,0x33,0x24,0x24,0x24,0x24,0x19,0x00,//s 83
0x00,0x80,0x80,0xE0,0x80,0x80,0x00,0x00,0x00,0x00,0x00,0x1F,0x20,0x20,0x00,0x00,//t 84
0x80,0x80,0x00,0x00,0x00,0x80,0x80,0x00,0x00,0x1F,0x20,0x20,0x20,0x10,0x3F,0x20,//u 85
0x80,0x80,0x80,0x00,0x00,0x80,0x80,0x80,0x00,0x01,0x0E,0x30,0x08,0x06,0x01,0x00,//v 86
0x80,0x80,0x00,0x80,0x00,0x80,0x80,0x80,0x0F,0x30,0x0C,0x03,0x0C,0x30,0x0F,0x00,//w 87
0x00,0x80,0x80,0x00,0x80,0x80,0x80,0x00,0x00,0x20,0x31,0x2E,0x0E,0x31,0x20,0x00,//x 88
0x80,0x80,0x80,0x00,0x00,0x80,0x80,0x80,0x80,0x81,0x8E,0x70,0x18,0x06,0x01,0x00,//y 89
0x00,0x80,0x80,0x80,0x80,0x80,0x80,0x00,0x00,0x21,0x30,0x2C,0x22,0x21,0x30,0x00,//z 90
0x00,0x00,0x00,0x00,0x80,0x7C,0x02,0x02,0x00,0x00,0x00,0x00,0x00,0x3F,0x40,0x40,//{ 91
0x00,0x00,0x00,0x00,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0x00,0x00,0x00,//| 92
0x00,0x02,0x02,0x7C,0x80,0x00,0x00,0x00,0x00,0x40,0x40,0x3F,0x00,0x00,0x00,0x00,//} 93
0x00,0x06,0x01,0x01,0x02,0x02,0x04,0x04,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//~ 94
};
*/
#endif
```
```c
#ifndef __I2C_H__
#define __I2C_H__
typedef unsigned char uchar ;
//****************************************
// 定義51單片機端口
//****************************************
#include "stc15f104.h"
sbit SCL=P3^4; //IIC時鐘引腳定義
sbit SDA=P3^5; //IIC數據引腳定義
//****************************************
// 定義器件
//****************************************
// IIC OLED
#define IIC_OLED 0X78
#define IIC_OLED_CMD_REG 0X00
#define IIC_OLED_DATA_REG 0X40
//*************************************************************************************************
//I2C起始信號
//*************************************************************************************************
void I2C_Start();
//*************************************************************************************************
//I2C停止信號
//*************************************************************************************************
void I2C_Stop();
//**************************************************************************************************
//I2C發送應答信號
//入口參數:ack (0:ACK 1:NAK)
//**************************************************************************************************
void I2C_SendACK(bit ack);
//****************************************************************************************************
//I2C接收應答信號
//****************************************************************************************************
bit I2C_RecvACK() ;
//*****************************************************************************************************
//向I2C總線發送一個字節數據
//*****************************************************************************************************
void I2C_SendByte(uchar dat);
//*****************************************************************************************************
//從I2C總線接收一個字節數據
//******************************************************************************************************
uchar I2C_RecvByte() ;
void I2C_WriteData(uchar addr , uchar reg , uchar command);
bit I2C_Busy();
#ifdef IIC_OLED
#define Max_Column 128
#define Max_Row 64
#define OLED_SIZE 8 //8 16
void I2C_OLED_Init();
void I2C_OLED_Clear(void);
void I2C_OLED_Display_Off(void);
void I2C_OLED_Display_On();
void I2C_OLED_Set_Pos(unsigned char x, unsigned char y) ;
void I2C_OLED_ShowChar(u8 x,u8 y,u8 chr);
void I2C_OLED_DrawPoint(u8 x,u8 y,u8 t);
#endif
#endif
```
- 序
- 第1章 Linux下開發FPGA
- 1.1 Linux下安裝diamond
- 1.2 使用輕量級linux仿真工具iverilog
- 1.3 使用linux shell來讀寫串口
- 1.4 嵌入式上的linux
- 設備數教程
- linux C 標準庫文檔
- linux 網絡編程
- 開機啟動流程
- 1.5 linux上實現與樹莓派，FPGA等通信的串口腳本
- 第2章 Intel FPGA的使用
- 2.1 特別注意
- 2.2 高級應用開發流程
- 2.2.1 生成二進制bit流rbf
- 2.2.2 制作Preloader Image
- 2.2.2.1 生成BSP文件
- 2.2.2.2 編譯preloader和uboot
- 2.2.2.3 更新SD的preloader和uboot
- 2.3 HPS使用
- 2.3.1 通過JTAG下載代碼
- 2.3.2 HPS軟件部分開發
- 2.3 quartus中IP核的使用
- 2.3.1 Intel中RS232串口IP的使用
- 2.4 一些問題的解決方法
- 2.4.1 關于引腳的復用的綜合出錯
- 第3章 關于C/C++的一些語法
- 3.1 C中數組作為形參不傳長度
- 3.2 匯編中JUMP和CALL的區別
- 3.3 c++中map的使用
- 3.4 鏈表的一些應用
- 3.5 vector的使用
- 3.6 使用C實現一個簡單的FIFO
- 3.6.1 循環隊列
- 3.7 C語言不定長參數
- 3.8 AD采樣計算同頻信號的相位差
- 3.9 使用C實現棧
- 3.10 增量式PID
- 第4章 Xilinx的FPGA使用
- 4.1 Alinx使用中的一些問題及解決方法
- 4.1.1 在Genarate Bitstream時提示沒有name.tcl
- 4.1.2 利用verilog求位寬
- 4.1.3 vivado中AXI寫DDR說明
- 4.1.4 zynq中AXI GPIO中斷問題
- 4.1.5 關于時序約束
- 4.1.6 zynq的PS端利用串口接收電腦的數據
- 4.1.7 SDK啟動出錯的解決方法
- 4.1.8 讓工具綜合是不優化某一模塊的方法
- 4.1.9 固化程序(雙核)
- 4.1.10 分配引腳時的問題
- 4.1.11 vivado仿真時相對文件路徑的問題
- 4.2 GCC使用Attribute分配空間給變量
- 4.3 關于Zynq的DDR寫入byte和word的方法
- 4.4 常用模塊
- 4.4.1 I2S接收串轉并
- 4.5 時鐘約束
- 4.5.1 時鐘約束
- 4.6 VIVADO使用
- 4.6.1 使用vivado進行仿真
- 4.7 關于PicoBlaze軟核的使用
- 4.8 vivado一些IP的使用
- 4.8.1 float-point浮點單元的使用
- 4.10 zynq的雙核中斷
- 第5章 FPGA的那些好用的工具
- 5.1 iverilog
- 5.2 Arduino串口繪圖器工具
- 5.3 LabVIEW
- 5.4 FPGA開發實用小工具
- 5.5 Linux下繪制時序圖軟件
- 5.6 verilog和VHDL相互轉換工具
- 5.7 linux下搭建輕量易用的verilog仿真環境
- 5.8 VCS仿真verilog并查看波形
- 5.9 Verilog開源的綜合工具-Yosys
- 5.10 sublim text3編輯器配置verilog編輯環境
- 5.11 在線工具
- 真值表 -> 邏輯表達式
- 5.12 Modelsim使用命令仿真
- 5.13 使用TCL實現的個人仿真腳本
- 5.14 在cygwin下使用命令行下載arduino代碼到開發板
- 5.15 STM32開發
- 5.15.1 安裝Atollic TrueSTUDIO for STM32
- 5.15.2 LED閃爍吧
- 5.15.3 模擬U盤
- 第6章 底層實現
- 6.1 硬件實現加法的流程
- 6.2 硬件實現乘法器
- 6.3 UART實現
- 6.3.1 通用串口發送模塊
- 6.4 二進制數轉BCD碼
- 6.5 基本開源資源
- 6.5.1 深度資源
- 6.5.2 FreeCore資源集合
- 第7章 常用模塊
- 7.1 溫濕度傳感器DHT11的verilog驅動
- 7.2 DAC7631驅動(verilog)
- 7.3 按鍵消抖
- 7.4 小腳丫數碼管顯示
- 7.5 verilog實現任意人數表決器
- 7.6 基本模塊head.v
- 7.7 四相八拍步進電機驅動
- 7.8 單片機部分
- 7.8.1 I2C OLED驅動
- 第8章 verilog 掃盲區
- 8.1 時序電路中數據的讀寫
- 8.2 從RTL角度來看verilog中=和<=的區別
- 8.3 case和casez的區別
- 8.4 關于參數的傳遞與讀取（paramter）
- 8.5 關于符號優先級
- 第9章 verilog中的一些語法使用
- 9.1 可綜合的repeat
- 第10章 system verilog
- 10.1 簡介
- 10.2 推薦demo學習網址
- 10.3 VCS在linux上環境的搭建
- 10.4 deepin15.11(linux)下搭建system verilog的vcs仿真環境
- 10.5 linux上使用vcs寫的腳本仿真管理
- 10.6 system verilog基本語法
- 10.6.1 數據類型
- 10.6.2 枚舉與字符串
- 第11章 tcl/tk的使用
- 11.1 使用Tcl/Tk
- 11.2 tcl基本語法教程
- 11.3 Tk的基本語法
- 11.3.1 建立按鈕
- 11.3.2 復選框
- 11.3.3 單選框
- 11.3.4 標簽
- 11.3.5 建立信息
- 11.3.6 建立輸入框
- 11.3.7 旋轉框
- 11.3.8 框架
- 11.3.9 標簽框架
- 11.3.10 將窗口小部件分配到框架/標簽框架
- 11.3.11 建立新的上層窗口
- 11.3.12 建立菜單
- 11.3.13 上層窗口建立菜單
- 11.3.14 建立滾動條
- 11.4 窗口管理器
- 11.5 一些學習的腳本
- 11.6 一些常用的操作語法實現
- 11.6.1 刪除同一后綴的文件
- 11.7 在Lattice的Diamond中使用tcl
- 第12章 FPGA的重要知識
- 12.1 面積與速度的平衡與互換
- 12.2 硬件原則
- 12.3 系統原則
- 12.4 同步設計原則
- 12.5 乒乓操作
- 12.6 串并轉換設計技巧
- 12.7 流水線操作設計思想
- 12.8 數據接口的同步方法
- 第13章 小項目
- 13.1 數字濾波器
- 13.2 FIFO
- 13.3 一個精簡的CPU( mini-mcu )
- 13.3.1 基本功能實現
- 13.3.2 中斷添加
- 13.3.3 使用中斷實現流水燈(實際硬件驗證)
- 13.3.4 綜合一點的應用示例
- 13.4.5 使用flex開發匯編編譯器
- 13.4.5 linux--Flex and Bison
- 13.4 有符號數轉單精度浮點數
- 13.5 串口調試FPGA模板