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数控电源AVR单片机C程序

发布时间:2020-06-19 发布时间:
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编译环境为CodeWizardAVR

#include
#include
#include
#include

#define Voltage_UP   PINB.0
#define Voltage_Down PINB.2
#define UD    PORTB.3
#define CS    PORTB.5
#define INC    PORTB.4 
#define Voltage_LED PORTB.6
#define Current_LED PORTB.7

#define Current_Detect 0
#define Out_Detect 1
#define Display_DP PORTC.2
#define Display_D3 PORTC.3
#define Display_D2 PORTC.4
#define Display_D1 PORTC.5

#define Current_UP PIND.2
#define Current_Down PIND.3

#define Display   PORTD
#define AD_quotiety 0.014560//0.015856

#define ADC_VREF_TYPE   0xc0

unsigned char   select_led = 1;
unsigned char   Led_left;
unsigned char    Led_middle;
unsigned char    Led_right;
unsigned int read_adc(unsigned char adc_input)//参数为ADC通道选择
{
ADMUX=adc_input|ADC_VREF_TYPE;
// Start the AD conversion
ADCSRA|=0x40;
// Wait for the AD conversion to complete
while ((ADCSRA & 0x10)==0);
ADCSRA|=0x10;
return ADCW;
}
interrupt [TIM0_OVF] void timer0_ovf_isr(void)

//used to display     
TCNT0 = 0x00; //8Mhz时钟,1024分频,中断TCNT0重填0 
if(select_led == 1)
{
   Display = (Led_left << 4) | 0X0F;
   Display_D1 = 0;
   Display_D2 = 1; 
   Display_D3 = 1;
   select_led = 2; 
}
else if(select_led == 2)
{
   Display = (Led_middle << 4) | 0X0F;
   Display_D1 = 1;
   Display_D2 = 0; 
   Display_D3 = 1; 
   select_led = 3;
}
else if(select_led == 3)
{
   Display = (Led_right << 4) | 0X0F;
   Display_D1 = 1;
   Display_D2 = 1; 
   Display_D3 = 0;
   select_led = 1;
}
}

void calculate_voltage(unsigned char adc_channel)
{       
unsigned char Led_left_temp;
int adc_data;
unsigned int voltage_value; 
adc_data = read_adc(adc_channel);
voltage_value = (int)(adc_data * AD_quotiety *100);   // 
Led_left = (voltage_value / 100);
voltage_value = voltage_value % 100;    //15 
if(Led_left >= 0x0a)      // 11.5
{       
   Led_left_temp = Led_left;
   Led_left = Led_left / 10;
   Led_middle = Led_left_temp % 10;
   Led_right = voltage_value / 10;
}
else   // 1.15
{
   Led_middle =   voltage_value / 10; 
   Led_right =   voltage_value % 10;

}

interrupt [TIM1_OVF] void timer1_ovf_isr(void)
{ //used to read adc
TCNT1H=0x00;
TCNT1L=0x00; 
calculate_voltage(1);
}

void Wiper_Up(void)
{   
      INC = 1;   //inc
      CS = 0;    //cs
      UD = 1;   //ud
      delay_us(10);
      INC = 0;   //inc 
      delay_us(10);
      CS = 1;    //cs
      delay_us(10);
}

void Wiper_down(void)
{   
      INC = 1;   //inc
      CS = 0;    //cs
      UD = 0;   //ud
      delay_us(10);
      INC = 0;   //inc 
      delay_us(10);
      CS = 1;    //cs
      delay_us(10);
}  

void save(void)
{
      INC = 1;    //inc
      CS = 0;    //cs
      delay_us(10);
      INC = 1;    //inc
      delay_us(10); 
      CS = 1;    //cs   
      delay_us(10);

   
void port_init(void)
{
PORTB = 0xFF; DDRB = 0xFA; 
//PORTB2.3输出PWM,要设为输出
PORTC = 0x3C; DDRC = 0x3C;
PORTD = 0xFF; DDRD = 0xF0;
}

void timer0_init(void)
{
// Timer/Counter 0 initialization
// Clock source: System Clock 
TCCR0 = 0x03; //clk/1024
TCNT0 = 0x00;
TIMSK = 0x05; //open timer0 and timer1
}

void timer1_init(void)
{
// Timer/Counter 0 initialization
// Clock source: System Clock 
TCCR1A=0x00;
TCCR1B=0x03; //clk/64
TCNT1H=0x00;
TCNT1L=0x00;
OCR1AH=0x00;
OCR1AL=0x00;
OCR1BH=0x00;
OCR1BL=0x00;
}

void uart_init(void)
{
// USART Baud rate: 19200
UCSRA=0x00;
UCSRB=0x98;
UCSRC=0x86;
UBRRH=0x00;
UBRRL=0x19; 
}     

void adc_init(void)
{
ADMUX=ADC_VREF_TYPE;
ADCSRA=0x87;
SFIOR&=0xEF;
SFIOR|=0x10;
ACSR=0x80;
}

void check_key(void)
{       

if(Current_UP == 0)
{
   Wiper_Up();
   //calculate_voltage(1);
   do
   {   
    delay_ms(15);
   }while(Current_UP == 0);
   save();
}
else if(Current_Down == 0)
{  
   Wiper_down(); 
   //calculate_voltage(1);
   do
   {   
    delay_ms(15);
   }while(Current_Down == 0);
   save();
}
else if(Voltage_UP == 0)
{
   Wiper_Up();
   do
   {   
    delay_ms(15);
   }while(Voltage_UP == 0);
   save();
}
else if(Voltage_Down == 0)
{  
   Wiper_down();
   do
   {   
    delay_ms(15);
   }while(Voltage_Down == 0); 
   save();
}

  
void main(void)
{       
  
port_init();
timer0_init();
timer1_init();
uart_init();
adc_init();
#asm("sei")
  
while(1)
        { 
   check_key();  
        };
}

关键字:数控电源  AVR单片机

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