maplab C30 无法编译——delay函数

1楼-- · 2019-03-25 21:47

你把程序贴出来大家看看，这样谁也说不清啊。

2楼-- · 2019-03-26 03:42

include <p24fj64ga004.h>

#define _XTAL_FREQ  8000000

#pragma config JTAGEN = 0
#pragma config LCS1 = 1
#pragma config LCS0 = 1
#pragma config FWDTEN = 0
#pragma config FNOSC2 = 0 /////01 HS
#pragma config FNOSC1 = 1
#pragma config FNOSC0 = 0
#pragma config POSCMD1 = 1
#pragma config POSCMD0 = 0
#pragma config FAMID7 = 0
#pragma config FAMID6 = 0
#pragma config FAMID5 = 0
#pragma config FAMID4 = 1
#pragma config FAMID3 = 0
#pragma config FAMID2 = 0
#pragma config FAMID1 = 0
#pragma config FAMID0 = 1
#pragma config DEV5 = 0
#pragma config DEV4 = 0
#pragma config DEV3 = 1
#pragma config DEV2 = 1
#pragma config DEV1 = 1
#pragma config DEV0 = 1

#define  CS  LATBbits.LATB11
#define  WR  LATBbits.LATB12
#define  DATA LATBbits.LATB13
#define BL LATBbits.LATB10
/////////////////////
#define    SCL       PORTBbits.RB8
#define    SDA       PORTBbits.RB9
#define    SDA_TRIS TRISBbits.TRISB8
#define    SCL_TRIS TRISBbits.TRISB9
#define    SCL2       PORTBbits.RB6
#define    SDA2       PORTBbits.RB5
#define    SCL2_TRIS TRISBbits.TRISB6
#define    SDA2_TRIS TRISBbits.TRISB5
#define    ACKBIT    0x00
#define    NAKBIT    0x80

void lcd_init(void);
void lcd_write(unsigned char lcdbuf,unsigned char buflen);
void lcd_write_cmd(unsigned char cmd);
void lcd_write_data(unsigned char adr,unsigned char data);
void delay(unsigned int num);

void lcd_init(void)
{
TRISBbits.TRISB11 = 0;
TRISBbits.TRISB12 = 0;
TRISBbits.TRISB13 = 0;
TRISBbits.TRISB10 = 0;


lcd_write_cmd(0x18); //片内RC振荡器
lcd_write_cmd(0x03);// 启动LCD偏值
lcd_write_cmd(0x01); //启动系统时钟
lcd_write_cmd(0x08);//关闭声音输出
lcd_write_cmd(0x05);///关闭WDT
lcd_write_cmd(0x80);//IRQ关闭
lcd_write_cmd(0x0e);//普通模式


}

void lcd_write(unsigned char lcdbuf,unsigned char buflen)

{
unsigned char i;

for(i = 0;i < buflen;i++)
{
   WR = 0;
delay(1);
if((lcdbuf & 0x80)==0x80)
{
DATA = 1;
}
else
{
DATA = 0;
}
   delay(1);
   WR = 1;
   delay(1);

   lcdbuf=lcdbuf<<1;
}

}
void lcd_write_cmd(unsigned char cmd)
{
CS = 0;
lcd_write(0x80,3);
lcd_write(cmd,9);
CS = 1;
}
void lcd_write_data(unsigned char adr,unsigned char data)
{
  adr = adr<<1;
CS = 0;
lcd_write(0xa0,3);
  lcd_write(adr,7);
lcd_write(data,8);
  CS = 1;
}
void bstart(void)
{
SCL_TRIS = 0;
SDA_TRIS = 1;
SCL = 1;
__delay_us(10);
SDA_TRIS = 0;
SDA = 0;
__delay_us(10);
SCL = 0;
}
void bstop(void)
{
   SCL_TRIS = 0;
   SDA_TRIS = 0;
SDA = 0;
SCL = 1;
__delay_us(15);

SDA = 1;

__delay_us(10);

}
void bit_out(unsigned char data)
{
   SCL_TRIS = 0;
SCL = 0;
__delay_us(5);

if (data & 0x80)
{
      SDA_TRIS = 1;

}
else
{
      SDA_TRIS = 0;
      SDA = 0;
}

SCL = 1 ;
__delay_us(2);


}
void bit_in(unsigned char *data)
{
   SCL_TRIS = 0;
SCL = 0;
SDA_TRIS = 1;
__delay_us(5);
SCL = 1;
__delay_us(3);
*data &= 0xFE;
if (SDA)
{
      *data |= 0x01;
}
__delay_us(2);

SCL = 0;
}
unsigned char byte_out(unsigned char data)
{
unsigned char i;
unsigned char ack;

ack = 0;
for (i = 0; i < 8; i++)
{
      bit_out(data);
      data = data << 1;
}
bit_in(&ack);

return ack;
}
unsigned char byte_in(unsigned char ack)
{
unsigned char i;
unsigned char retval;

retval = 0;
for (i = 0; i < 8; i++)
{
      retval = retval << 1;
      bit_in(&retval);
}
bit_out(ack);

return retval;
}
///////////////////////I2C2
void bstart2(void)
{
SCL2_TRIS = 0;
SDA2_TRIS = 1;
SCL2 = 1;
__delay_us(10);
SDA2_TRIS = 0;
SDA2 = 0;
__delay_us(10);
SCL2 = 0;
}
void bstop2(void)
{
   SCL2_TRIS = 0;
   SDA2_TRIS = 0;
SDA2 = 0;
SCL2 = 1;
__delay_us(15);

SDA2 = 1;

__delay_us(10);

}
void bit_out2(unsigned char data)
{
   SCL2_TRIS = 0;
SCL2 = 0;
__delay_us(5);

if (data & 0x80)
{
      SDA2_TRIS = 1;

}
else
{
      SDA2_TRIS = 0;
      SDA2 = 0;
}

SCL2 = 1 ;
__delay_us(2);


}
void bit_in2(unsigned char *data)
{
   SCL2_TRIS = 0;
SCL2 = 0;
SDA2_TRIS = 1;
__delay_us(5);
SCL2 = 1;
__delay_us(3);
*data &= 0xFE;
if (SDA2)
{
      *data |= 0x01;
}
__delay_us(2);

SCL2 = 0;
}
unsigned char byte_out2(unsigned char data)
{
unsigned char i;
unsigned char ack;

ack = 0;
for (i = 0; i < 8; i++)
{
      bit_out2(data);
      data = data << 1;
}
bit_in2(&ack);

return ack;
}
unsigned char byte_in2(unsigned char ack)
{
unsigned char i;
unsigned char retval;

retval = 0;
for (i = 0; i < 8; i++)
{
      retval = retval << 1;
      bit_in2(&retval);
}
bit_out2(ack);

return retval;
}
////////////////////////////////////////////////////////////////////////////////DS1307
void write_DS1307_data(unsigned char address,unsigned char data)
{

bstart();
byte_out(0xd0);
byte_out(address);
byte_out(data);
bstop();
}
unsigned int read_DS1307_data(unsigned char address)
{

unsigned int data;
bstart();
byte_out(0xd0);
byte_out(address);
bstop();
bstart();
byte_out(0xd1);
data=byte_in(ACKBIT);
bstop();
return data;
}
///////////////////////////////////////////////////////////////////////////////EEPROM24C02
void write_24c02_data(unsigned char address,unsigned char data)
{
bstart();
byte_out(0xa0);// a1,a2,a3都接地，写地址为a0
byte_out(address);
byte_out(data);
bstop();
__delay_ms(3);
}
unsigned int read_24c02_data(unsigned char address)
{
unsigned int data;
bstart();
byte_out(0xa0);// a1,a2,a3都接地，写地址为a0
byte_out(address);
bstart();
byte_out(0xa1);
data=byte_in(NAKBIT);
bstop();
__delay_ms(3);
return data;

}
void delay(unsigned int num)
{
while(num--);
}
我现在是把各个功能挨个测试，这是i2c部分的；上面液晶显示屏的可以了。