📄 main.i
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signed char lsign(long x);
signed char fsign(float x);
unsigned char isqrt(unsigned int x);
unsigned int lsqrt(unsigned long x);
float sqrt(float x);
float floor(float x);
float ceil(float x);
float fmod(float x,float y);
float modf(float x,float *ipart);
float ldexp(float x,int expon);
float frexp(float x,int *expon);
float exp(float x);
float log(float x);
float log10(float x);
float pow(float x,float y);
float sin(float x);
float cos(float x);
float tan(float x);
float sinh(float x);
float cosh(float x);
float tanh(float x);
float asin(float x);
float acos(float x);
float atan(float x);
float atan2(float y,float x);
#pragma used-
#pragma library math.lib
//****************************************************
//送一帧数据
void Post_Msg(unsigned char Msg)
{
DDRA=0xFF;
PORTA=Msg;
PORTB|=0x10;
PORTD=0x90;
(*(unsigned char *) 0x65)&=0xFE;
(*(unsigned char *) 0x65)|=0x01;
PORTD=0x00;
}
//*************************************
//送一帧命令
//*************************************
void Send_Com(unsigned char Addr,unsigned char Data)
{
DDRA=0xFF;
PORTA=Addr;
PORTB&=0xEF;
PORTD=0x90;
(*(unsigned char *) 0x65)&=0xFE;
(*(unsigned char *) 0x65)|=0x01;
PORTD=0x00;
PORTA=Data;
PORTB&=0xEF;
PORTD=0x90;
(*(unsigned char *) 0x65)&=0xFE;
(*(unsigned char *) 0x65)|=0x01;
PORTD=0x00;
}
//*************************************************
void LCD_INIT()
{
Send_Com(0x00,0xCD); //WLCR: 电源正常模式,进入文本模式,屏幕开启,屏幕不闪烁,正向显示
Send_Com(0x01,0x03); //MISC: CLKOUT禁止,BUSY高电平触发,12MHz频率
Send_Com(0x02,0x00); //APSR: ROM/RAM30ns读取速度,禁止ROM直读,开机滚动复位禁止
Send_Com(0x03,0x80); //ADSR: 显示数据正序,水平,垂直卷动效显禁止
Send_Com(0x10,0x2F); //WCCR: 读DDRAM定地址,写自加,中英文对齐,正向存储,字体正常粗细,光标ON,闪烁
Send_Com(0x11,0x10); //DWLR: 光标高度2Px,行距设定2Px
Send_Com(0x12,0xB3); //MAMR: 图形方式光标先垂直后水平移动,两层或显示,图层1/2运行,灰度显示
Send_Com(0x20,0x1D); //AWRR: 设定右边视窗位置
Send_Com(0x21,0x1D); //DWRR: 设定右边显示位置(=240/8-1)
Send_Com(0x30,0x7F); //AWBR: 设定底部视窗位置
Send_Com(0x31,0x80); //DWBR: 设定底部显示位置(=128-1)
Send_Com(0x40,0x00); //AWLR: 设定左边视窗位置
Send_Com(0x41,0x00); //DWLR: 设定左边显示位置(0x00)
Send_Com(0x50,0x00); //AWTR: 设定上部视窗位置
Send_Com(0x51,0x00); //DWTR: 设定上部显示位置(0x00)
Send_Com(0x60,0x00); //CPXR: 设定光标X坐标
//Send_Com(0x61,0x00); //BGSG: 显示区X位置
Send_Com(0x70,0x00); //CPYR: 设定光标Y坐标
Send_Com(0x71,0x00); //BGCM: 设定水平移动模式下移动的起始X位置
Send_Com(0x72,0xEF); //EDCM: 设定水平移动模式下移动终止X位置
Send_Com(0x80,0x60); //BTMR: 设置光标闪烁频率
Send_Com(0x81,0x40); //FRCA: 通用寄存器,设置为0x40(must do that when reset the lcd)
Send_Com(0x90,0x0F); //SCCR: 设定XCL周期,即刷新频率,数值越大,刷新越慢
Send_Com(0xF0,0xA0); //
Send_Com(0xF1,0x0F); //字体大小置
}
//===============================================================
//--清屏函数，将文本层和图形层全清空
void Clear_Screen()
{
unsigned int i;
Send_Com(0x12,0xB3); //文本层和图形层同时清零
Send_Com(0x60,0x00);
Send_Com(0x70,0x00);
for(i=0;i<3840;i++)Post_Msg(0x00);
}
//===============================================================
//===============================================================
//---显示字符串，包括中文字符,可混合中英文即符号
//X0:列设置(0-29) Y0:行设置(0-15)
void Show_Text(unsigned char X0,unsigned char Y0,unsigned char *Text)
{
Send_Com(0x12,0xB1); //进入文本图层
Send_Com(0x60,X0);
Send_Com(0x70,Y0*8);
while((*Text)>0)
{
Post_Msg(*Text);
Text++;
}
}
//===========================================================
//===============================================================
//---显示字符串，包括中文字符,可混合中英文即符号
//X0:列设置(0-29) Y0:行设置(0-15)
void Show_String(unsigned char X0,unsigned char Y0,unsigned char flash *Text)
{
Send_Com(0x12,0xB1); //进入文本图层
Send_Com(0x60,X0);
Send_Com(0x70,Y0*8);
while((*Text)>0)
{
Post_Msg(*Text);
Text++;
}
}
//===========================================================
//===========================================================
//---显示单个数字
void Show_Num(unsigned char X0,unsigned char Y0,unsigned char Num)
{
Send_Com(0x60,X0);
Send_Com(0x70,Y0*8);
Post_Msg(Num+48);
}
//============================================================
//============================================================
//---显示浮点数
void Show_Number(unsigned char X0,unsigned char Y0,float Num,unsigned char DpLen)
{
unsigned char i=0,j=0,mynum[6];
unsigned int sum,temp;
bit flag=0; //flag:是否为负
Send_Com(0x12,0xB1); //进入文本层
Send_Com(0x60,X0); //消隐
Send_Com(0x70,Y0*8);
for(i=0;i<6;i++)Post_Msg(0x00);
i=0;
Send_Com(0x60,X0);
Send_Com(0x70,Y0*8);
if(Num<0){Num=fabs(Num);Post_Msg('-');flag=1;i++;}
//-----------得到整数部分------------------
temp=(unsigned int)Num; //取整
do
{
mynum[j]=temp%10;
temp=temp/10; //丢末位
i++;
j++; //位累加
}while(temp!=0);
//---------显示整数部分--------------------
do
{
Post_Msg(mynum[j-1]+48); //显示每位
;j--;
}while(j>0);
j=0;
//---------处理小数部分-------------------
if((flag&&i<4)||(!flag&&i<5))
{
i++; //累加小数点位
temp=(unsigned int)Num; //重新取整
Num=Num-temp; //得到小数部分
do
{
Num=Num*10;
temp=Num;
mynum[j]=temp%10;
i++;
j++;
}while(i<6&&j<DpLen); //保留指定小数位
i=0;temp=0;
do
{
temp+=mynum[i];i++;
}while(i<j);
i=0;
//-------------显示小数部分---------------
if(DpLen)
{
if((DpLen<8)||(DpLen>=8&&temp!=0))
{
Post_Msg('.');
do
{Post_Msg(mynum[i]+48);i++;}
while(i<j);
}
}
}
}
//************************************
//============================================================================
//本文档用于驱动nRF24L01
//********接收数据宽度*********
unsigned char flash RDW[6]={13,13,13,13,13,13};
unsigned char flash RDW[6]={13,13,13,13,13,13};
//*******接收地址**********
static unsigned char ADDR0[6]={0x0A,0,2,3,4,5};
static unsigned char ADDR1[6]={0x0B,1,2,3,4,5};
//******发送地址***********
static unsigned char TxAddr[6]={0x10,1,2,3,4,5};
//nRF24L01 SPI总线说明:
// 1. 低字节先传送,高字节后传送,基于小端格式的传送
// 2.字节内部高位先传送,低位后传送
//============================================================================
//功能: 向nRF24L01发送数据
void nRF24L01_WriteBytes(unsigned char *Buffer,unsigned char Bytes)
{
PORTD=0xB0; //选中nRF24L01
Buffer[0]|=0x20; //加入写寄存器标记
SPI_WriteBytes(Buffer,Bytes); //发送数据
PORTD=0x00; //释放nRF24L01
}
//============================================================================
//功能: 从nRF24L01接收数据
void nRF24L01_ReadBytes(unsigned char *Buffer,unsigned char Bytes)
{
PORTD=0xB0; //选中nRF24L01
SPI_ReadBytes(Buffer,Bytes); //读取数据
PORTD=0x00; //释放nRF24L01
}
//============================================================================
//功能: 写nRF24L01寄存器
void nRF24L01_WriteReg(unsigned char Reg,unsigned char Value)
{
unsigned char Buffer[2];
PORTD=0xB0;
Buffer[0]=Reg|0x20;
Buffer[1]=Value;
SPI_WriteBytes(Buffer,2);
PORTD=0x00;
}
//============================================================================
//功能: 读取nRF24L01的状态
unsigned char nRF24L01_GetStatus()
{
unsigned char Status;
Status=0xFF;
PORTD=0xB0;
SPI_ReadBytes(&Status,1);
PORTD=0x00;
return Status;
}
//============================================================================
//功能: nRF24L01芯片初始化
//Time: 2008-4-8
//Vision: V1.0
void nRF24L01_Init()
{
(*(unsigned char *) 0x62)&=0xFE;
nRF24L01_WriteReg(0x01,0x00); //通道0自动应答
nRF24L01_WriteReg(0x02,0x3F); //通道0接收使能
nRF24L01_WriteReg(0x03,0x03); //地址宽度为5bytes
nRF24L01_WriteReg(0x04,0x00); //出错自动重发,4000uS+86uS等待,重发15次
nRF24L01_WriteReg(0x05,0x01); //选择通道1
nRF24L01_WriteReg(0x06,0x07); //1Mbps,0dBm,接收放大器使能
nRF24L01_WriteReg(0x07,0x00); //状态寄存器复位
nRF24L01_WriteBytes(ADDR0,6); //设置通道0地址
nRF24L01_WriteBytes(ADDR1,6); //设置通道1地址
nRF24L01_WriteReg(0x0C,2); //设置通道2地址
nRF24L01_WriteReg(0x0D,3); //设置通道3地址
nRF24L01_WriteReg(0x0E,4); //设置通道4地址
nRF24L01_WriteReg(0x0F,5); //设置通道5地址
nRF24L01_WriteBytes(TxAddr,6); //设置发送地址
nRF24L01_WriteReg(0x11,RDW[0]); //通道0接收数据长度(字节)
nRF24L01_WriteReg(0x12,RDW[1]); //通道1接收数据长度(字节)
nRF24L01_WriteReg(0x13,RDW[2]); //通道2接收数据长度(字节)
nRF24L01_WriteReg(0x14,RDW[3]); //通道3接收数据长度(字节)
nRF24L01_WriteReg(0x15,RDW[4]); //通道4接收数据长度(字节)
nRF24L01_WriteReg(0x16,RDW[5]); //通道5接收数据长度(字节)
}
//=============================================================================
//功能: nRF24L01发送数据
//Time: 2008-4-8
//Vision: V1.0
unsigned char nRF24L01_SendData(unsigned char *TxBuffer,unsigned char TDW)
{
unsigned char Reg=0xA0;
(*(unsigned char *) 0x62)&=0xFE; nRF24L01_WriteReg(0x00,0x0E);(*(unsigned char *) 0x62)|=0x01;
PORTD=0xB0;
SPI_ReadBytes(&Reg,1);
SPI_WriteBytes(TxBuffer,TDW);
PORTD=0x00;
(*(unsigned char *) 0x62)&=0xFE;
return Reg;
}
//==============================================================================
//功能: nRF24L01接收数据
//Time: 2008-4-8
//Vision: V1.0
unsigned char nRF24L01_RecData(unsigned char *RxBuffer,unsigned char RDW)
{
unsigned char Reg=0x61;
PORTD=0xB0;
SPI_ReadBytes(&Reg,1);
SPI_ReadBytes(RxBuffer,RDW);
PORTD=0x00;
return Reg;
}
void main()
{
unsigned char DataBuffer[13];
unsigned int k=0;
unsigned char S;
Board_Init();
LCD_INIT();
Clear_Screen();
Show_String(9,0,"nRF24L01测试");
Show_String(0,4,"当前发送数值:");
nRF24L01_Init();
while(1){
strcpyf(DataBuffer,"12文字测试!");
DataBuffer[0]=0x01;
DataBuffer[1]='0'+k;
S=nRF24L01_SendData(DataBuffer,13);
Show_Number(15,10,S,0);
k++;if(k==10)k=0;
Show_Number(15,4,k,0);
delay_ms(300);
};
}
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