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/*****************************************************
This program was produced by the
CodeWizardAVR V1.25.7a Standard
Automatic Program Generator
?Copyright 1998-2007 Pavel Haiduc, HP InfoTech s.r.l.
http://www.hpinfotech.com
Project :
Version :
Date : 2008-11-16
Author : F4CG
Company : F4CG
Comments:
Chip type : ATmega16L
Program type : Application
Clock frequency : 4.000000 MHz
Memory model : Small
External SRAM size : 0
Data Stack size : 256
*****************************************************/
// CodeVisionAVR C Compiler
// (C) 1998-2001 Pavel Haiduc, HP InfoTech S.R.L.
// I/O registers definitions for the ATmega16
#pragma used+
sfrb TWBR=0;
sfrb TWSR=1;
sfrb TWAR=2;
sfrb TWDR=3;
sfrb ADCL=4;
sfrb ADCH=5;
sfrw ADCW=4; // 16 bit access
sfrb ADCSRA=6;
sfrb ADMUX=7;
sfrb ACSR=8;
sfrb UBRRL=9;
sfrb UCSRB=0xa;
sfrb UCSRA=0xb;
sfrb UDR=0xc;
sfrb SPCR=0xd;
sfrb SPSR=0xe;
sfrb SPDR=0xf;
sfrb PIND=0x10;
sfrb DDRD=0x11;
sfrb PORTD=0x12;
sfrb PINC=0x13;
sfrb DDRC=0x14;
sfrb PORTC=0x15;
sfrb PINB=0x16;
sfrb DDRB=0x17;
sfrb PORTB=0x18;
sfrb PINA=0x19;
sfrb DDRA=0x1a;
sfrb PORTA=0x1b;
sfrb EECR=0x1c;
sfrb EEDR=0x1d;
sfrb EEARL=0x1e;
sfrb EEARH=0x1f;
sfrw EEAR=0x1e; // 16 bit access
sfrb UBRRH=0x20;
sfrb UCSRC=0X20;
sfrb WDTCR=0x21;
sfrb ASSR=0x22;
sfrb OCR2=0x23;
sfrb TCNT2=0x24;
sfrb TCCR2=0x25;
sfrb ICR1L=0x26;
sfrb ICR1H=0x27;
sfrb OCR1BL=0x28;
sfrb OCR1BH=0x29;
sfrw OCR1B=0x28; // 16 bit access
sfrb OCR1AL=0x2a;
sfrb OCR1AH=0x2b;
sfrw OCR1A=0x2a; // 16 bit access
sfrb TCNT1L=0x2c;
sfrb TCNT1H=0x2d;
sfrw TCNT1=0x2c; // 16 bit access
sfrb TCCR1B=0x2e;
sfrb TCCR1A=0x2f;
sfrb SFIOR=0x30;
sfrb OSCCAL=0x31;
sfrb OCDR=0x31;
sfrb TCNT0=0x32;
sfrb TCCR0=0x33;
sfrb MCUCSR=0x34;
sfrb MCUCR=0x35;
sfrb TWCR=0x36;
sfrb SPMCR=0x37;
sfrb TIFR=0x38;
sfrb TIMSK=0x39;
sfrb GIFR=0x3a;
sfrb GICR=0x3b;
sfrb OCR0=0X3c;
sfrb SPL=0x3d;
sfrb SPH=0x3e;
sfrb SREG=0x3f;
#pragma used-
// Interrupt vectors definitions
// Needed by the power management functions (sleep.h)
#asm
#ifndef __SLEEP_DEFINED__
#define __SLEEP_DEFINED__
.EQU __se_bit=0x40
.EQU __sm_mask=0xB0
.EQU __sm_powerdown=0x20
.EQU __sm_powersave=0x30
.EQU __sm_standby=0xA0
.EQU __sm_ext_standby=0xB0
.EQU __sm_adc_noise_red=0x10
.SET power_ctrl_reg=mcucr
#endif
#endasm
// CodeVisionAVR C Compiler
// (C) 1998-2000 Pavel Haiduc, HP InfoTech S.R.L.
#pragma used+
void delay_us(unsigned int n);
void delay_ms(unsigned int n);
#pragma used-
/***********************905相关宏定义******************************/
//模式控制定义
//SPI口定义
//状态输出定义
//SPI指令
//发送数据
unsigned char TX_databuff[4];
//接收机地址
unsigned char TX_address[4]={0xcc,0xcc,0xcc,0xcc};
/**********************数码管显示相关宏定义*******************************/
flash unsigned char led_7[10]={0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8,0x80,0x90}; //共阳极数码管
flash unsigned char position[4]={0x80,0x40,0x20,0x10}; //位选
unsigned char time[3]; // 时、分、秒计数
unsigned char dis_buff[4],posit; // 显示缓冲区，存放要显示的4个字符的段码值
unsigned long time_counter=0; // 1秒计数器
bit point_on,flag; // 秒显示标志
/********************采集数据存放*********************************/
unsigned int wendu_data;//maibo_data;
//RF寄存器配置
unsigned char RFConf[11]=
{
0X00, //配置命令
0X4c, //CH_NO,配置频段在430MHZ
0X0c, //输出功率为10db,不重发，节电为正常模式
0X44, //地址宽度设置，为4字节
0X04,0X04, //接收发送有效数据长度为4字节
0XCC,0XCC,0XCC,0XCC, //接收机地址
0X58 //CRC充许，8位CRC校验，外部时钟信号不使能，16M晶振,输出时钟频率为4M
};
/**********************各种中断申明*******************************/
// ADC电压值送显示缓冲区函数
void wendu_to_disbuffer(unsigned int data)
{
unsigned char i;
for (i=0;i<=3;i++)
{
dis_buff[i]=data%10;
data /= 10;
}
}
//温度显示函数
void wendu_display(void)
{
PORTD &= 0x0F;
PORTC = led_7[dis_buff[posit]];
if (point_on && ( posit==3)) PORTC &= 0x7F;
PORTD|= position[posit];
if (++posit>=4) posit=0;
delay_ms(2);
PORTD&=0X0F;
}
// 时间显示函数，执行时间12ms
void time_display(void)
{
PORTD &= 0x0F;
PORTC = led_7[dis_buff[posit]];
if (point_on && ( posit==2)) PORTC &= 0x7F;
PORTD|= position[posit];
if (++posit>=4) posit=0;
delay_ms(2);
PORTD&=0X0F;
}
// 时间值送显示缓冲区函数
void time_to_disbuffer(void)
{
unsigned char i,j=0;
for (i=1;i<=2;i++)
{
dis_buff[j++] = time[i] % 10;
dis_buff[j++] = time[i] / 10;
}
}
// ADC 转换完成中断服务
interrupt [15] void adc_isr(void)
{
unsigned int wendu_data,wendu_data_2,wendu_data_1,adc_v;
wendu_data_1=ADCL; //读取ADC置换结果
wendu_data_2=ADCH;
wendu_data=wendu_data_2<<2|wendu_data_1;
adc_v=(unsigned long)wendu_data*5000/1024; //换算成电压值
wendu_to_disbuffer(adc_v);
}
//脉搏测量中断服务
//按键1中断服务
interrupt [2] void key1_isr(void)
{
flag=1; //防抖?
}
/*
//按键2中断服务
interrupt [EXT_INT1] void key2_isr(void)
{
//maibo_display(); //显示脉搏值
delay_ms(3000); //延时5s
time[0]+=3;
if (time[0]>=60)
{
time[0]=0;
if (++time[1]>=60)
{
time[1]=0;
if (++time[2]>=24)
time[2]=0;
}
}
time_to_disbuffer();
time_display();
}
*/
//SPI初始化
void spi_init(void)
{
SPCR=0X51; //主机模式,MSB在前,中断禁止,上升沿移出数据,下降沿锁存数据,SPI允许,fosc/16
}
//---------------------------------SPI读写程序----------------------------------//
unsigned char SpiReadSpiWrite(unsigned char cData)
{
SPDR = cData;
while(!(SPSR & (1<<7) ))
{}; // 等待SPI发送完毕
return SPDR; //发送完的同时即接收完一个数据
}
//--------------------------------NRF905寄存器初始化函数------------------------
void config905(void)
{
unsigned char i;
PORTB&=~(1<<4);
delay_us(100); // Spi enable for write a spi command
for (i=0;i<11;i++) // Write configration words 写放配置字
{
SpiReadSpiWrite(RFConf[i]);
}
PORTB|=(1<<4); // Disable Spi
}
//---------------------------------905系统状态初始化-------------------------------
void system_init(void)
{
PORTB|=(1<<4); // Spi disable
PORTB&=~(1<<7); // Spi clock line init low
PORTA&=~(1<<1); // Init DR for input
PORTA&=~(1<<6); // Init AM for input
PORTA&=~(1<<5); // Init nrf905_CDfor input
PORTA|=(1<<4); // nRF905 power on
PORTA&=~(1<<2); // Set nRF905 in standby mode
PORTA&=~(1<<3); // set radio in Rx mode
}
//--------------------------------NRF905待发数据打包----------------------------
void Txpacket(void)
{
unsigned char i;
PORTB&=~(1<<4); // 使能Spi，允许对nrf905进行读写操作
delay_us(100);
SpiReadSpiWrite(0X20); // 写数据前先写写数据命令
for (i=0;i<4;i++)
{
SpiReadSpiWrite(TX_databuff[i]); // 待发送的32字节数据
}
PORTB|=(1<<4);
delay_us(100); // 关闭Spi，不允许对nrf905进行读写操作
PORTB&=~(1<<4); // 使能Spi
SpiReadSpiWrite(0X22); // 写地址前首先先写地址命令
for (i=0;i<4;i++) // 写 4 bytes 地址
{
SpiReadSpiWrite(TX_address[i]);
}
PORTB|=(1<<4); // 关闭Spi
PORTA|=(1<<2); // Set TRX_CE high,start Tx data transmission
delay_ms(1); // 等待DR变高
PORTA&=~(1<<2); // 设置TRX_CE=0
}
//-------------------------------发送模式激发-----------------------------------
void setTxmode(void)
{
PORTA&=~(1<<2); //
PORTA|=(1<<3); //发送使能
delay_ms(1); // delay for mode change(>=650us)根据晶振不同要改变
}
//------------------------------数据发送------------------------------//
void TX(void)
{
setTxmode(); // Set nRF905 in Tx mode
Txpacket(); // Send data by nRF905
}
/**********************MCU初始化*******************************/
void mcu_init(void)
{
DDRA=0X1D; //00011101
DDRB=0XB0; //10110000
PORTB=0X00;
DDRC=0XFF;
PORTC=0XFF;
DDRD=0XF0;
PORTD=0X00;
}
/**********************主函数*******************************/
void main()
{
unsigned char wendu_data_H,wendu_data_L;
mcu_init();
spi_init();
system_init();
config905();
// ADC 初始化
ADMUX=0x67; // 参考电源AVcc、ADC7单端输入,左对齐
SFIOR&=0x1F;
SFIOR|=0x40; // 选择T/C0比较匹配中断为ADC触发源
ADCSRA=0xAD; // ADC允许、自动触发转换、ADC转换中断允许、ADCclk=125Kz
//中断源的初始化
GICR|=0XC0; //使能INT0,TNT1
MCUCR=0X0A; //下降沿触发
GIFR=0XC0; //清除INT0,TNT1中断标志位
time[2] = 23; time[1] = 58; time[0] = 55; // 时间初值23:58:55
time_to_disbuffer();
#asm("sei") // 开放全局中断
while (1)
{
//---------------------按键一中断服务程序-----------------------//
unsigned char i,j;
if (flag)
{
flag=0;
for (j=0;j<=10;j++)
{
for (i=0;i<=100;i++)
{
wendu_display(); //显示温度值
}
}
time[0]+=2;
if (time[0] >= 60)
{
time[0] = 0;
if (++time[1] >= 60)
{
time[1] = 0;
if (++time[2] >= 24) time[2] = 0;
}
}
time_to_disbuffer();
}
//---------------------时间显示------------------------//
time_display(); //用时2ms
if (++time_counter >= 495) //经过仿真时间为一秒
{
time_counter = 0;
point_on= ~point_on;
if (++time[0] >= 60)
{
time[0] = 0;
if (++time[1] >= 60)
{
time[1] = 0;
if (++time[2] >= 24) time[2] = 0;
}
}
time_to_disbuffer();
}
//----------------------数据发送------------------------//
//发送数据,用时2ms左右
wendu_data_L=wendu_data;
wendu_data_H=wendu_data>>8;
TX_databuff[0]=wendu_data_L;
TX_databuff[1]=wendu_data_H;
TX_databuff[2]=0X00;
TX_databuff[3]=0X00;
TX();
delay_ms(11);
}
}
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