ctrl.c

一个通过串口与51通信的AVR的程序,还有一些其实功能

#include <header.h>
#include <ctrl.h>
#include <usart.h>
#include <adc.h>
#include <PWM.h>
#include <SPI.h>
#include <TWI.h>
#include <afsk.h>

#define ADCOM 0x01
#define I2CCOM 0x02
#define SPICOM 0x03
#define PWMCOM 0x04
#define INFRCOM 0x05
#define METCOM 0x06
#define FUNCOM 0x07
#define MAXCOM 0x08
#define ASKCOM 0x09
#define FSKCOM 0x0a
#define AFSKCOM 0x0b
#define EPRRCOM 0x80
#define EPRWCOM 0xc0

#define SPISTR 0x00
#define SPICLO 0x01
#define SPISEN 0x02
#define SPISET 0x03
#define SPIREV 0x10
#define I2CSTR 0x00
#define I2CCLO 0x01
#define I2CSEN 0x02
#define I2CSTA 0x03
#define I2CMYA 0x04
#define I2CSEA 0x05
#define I2CLEN 0x06
#define I2CREV 0x10

void ctrl_com()
{
switch(USART_dat_rev[1])
	{
	case ADCOM: ADC_com(USART_dat_rev[2]);break;
	case I2CCOM: I2C_com(USART_dat_rev[2]);break;
	case SPICOM: SPI_com(USART_dat_rev[2]);break;
	case PWMCOM: PWM(USART_dat_rev[2],USART_dat_rev[3],USART_dat_rev[4]);break;
	case INFRCOM:
	case METCOM:
	case FUNCOM:
	case MAXCOM: MAX038_com(USART_dat_rev[2]);break;
	case ASKCOM: ask_com(((unsigned short int)USART_dat_rev[2])<<8+USART_dat_rev[3],((unsigned short int)USART_dat_rev[4])<<8+USART_dat_rev[5],((unsigned short int)USART_dat_rev[6])<<8+USART_dat_rev[7]);break;
	case FSKCOM: fsk_com(((unsigned short int)USART_dat_rev[2])<<8+USART_dat_rev[3],((unsigned short int)USART_dat_rev[4])<<8+USART_dat_rev[5],((unsigned short int)USART_dat_rev[6])<<8+USART_dat_rev[7]);break;
	case AFSKCOM: afsk_ctrl(USART_dat_rev[2]);break;
	case EPRRCOM: ctrl_read_EEPROM();break;
	case EPRWCOM: ctrl_write_EEPROM();break;
	}
}

void ctrl_send_ADC(unsigned short int adc_val, unsigned char way)
{
unsigned char dat[5];
dat[0]=4;
dat[1]=ADCOM;
dat[2]=way;
dat[3]=(unsigned char)(adc_val>>8);
dat[4]=(unsigned char)adc_val;
USART_send_dat(dat,5);
}

void ctrl_read_EEPROM()
{
unsigned char i;
unsigned char dat[11];
for(i=2;i<=USART_dat_rev[0];i++)
	dat[i]=eeprom_read_byte(0x100+USART_dat_rev[i]);
dat[0]=USART_dat_rev[0];
dat[1]=EPRRCOM;
USART_send_dat(dat,dat[0]+1);
}

void ctrl_write_EEPROM()
{
unsigned char i;
for(i=2;i<=USART_dat_rev[0];i+=2)
	eeprom_write_byte(0x100+USART_dat_rev[i],USART_dat_rev[i+1]);
}

void I2C_com(unsigned char com)
{
switch(com)
	{
	case I2CSTR: TWI_int();break;
	case I2CCLO: TWI_close();break;
	case I2CSEN: TWI_send_dat(USART_dat_rev+4,USART_dat_rev[3]);break;
	case I2CSTA: TWI_set(USART_dat_rev[3],USART_dat_rev[4]);break;
	case I2CMYA: TWI_my_addr(USART_dat_rev[3]);break;
	case I2CSEA: TWI_com_addr=USART_dat_rev[3]&0xfe;break;
	case I2CLEN: TWI_set_len=USART_dat_rev[3];break;
	}
}

void SPI_com(unsigned char com)
{
switch(com)
	{
	case SPISTR: SPI_int(0x40,0);break;
	case SPICLO: SPI_int(0x00,0);break;
	case SPISEN: SPI_send_dat(USART_dat_rev+4,USART_dat_rev[3]);break;
	case SPISET: SPI_set(USART_dat_rev[3],USART_dat_rev[4]);break;
	}
}