想请大家帮我瞧瞧为什么无法在LCD上输出DAC的输入

#include <device.h>

#include <stdbool.h>

#include <project.h>

uint8 lut[100] = 

{

127,134,142,150,158,166,173,181,188,195,201,207,213,219,224,229,

234,238,241,245,247,250,251,252,253,253,253,252,251,250,247,245,

241,238,234,229,224,219,213,207,201,195,188,181,173,166,158,150,

142,134,126,119,111,103, 95, 87, 80, 72, 65, 58, 52, 46, 40, 34,

29, 24, 19, 15, 12, 8, 6, 3, 2, 1, 0, 0, 0, 1, 2, 3,

6, 8, 12, 15, 19, 24, 29, 34, 40, 46, 52, 58, 65, 72, 80, 87,

95,103,111,119

}; 

#define DMA_1_BYTES_PER_BURST 1

#define DMA_1_REQUEST_PER_BURST 1

#define DMA_1_SRC_BASE (CYDEV_PERIPH_BASE)

#define DMA_1_DST_BASE (CYDEV_PERIPH_BASE)

reg8 *Regpoint;

void main()

{

void DMA_SET(); 

cystatus eraseStatus;

cystatus writeStatus;

EEPROM_1_Start();

LCD_1_Start();

VDAC8_1_Start();

uint16 index=0;

uint16 error=0;

uint8 number=0;

bool flag;

for(;index<=EEPROM_NUMBER_SECTORS;index++)

{

eraseStatus=EEPROM_1_EraseSector(index);

}

Regpoint=(reg8*)CYDEV_EE_BASE;

for(index=0;index<=EEPROM_1_EEPROM_SIZE;index++)

{

if(Regpoint[index]!=0)

{

LCD_1_Position(0,0);

LCD_1_PrintString("ERROR");

error++;}

}

CySetTemp();

for(index=0;index<=7;index++)

{

writeStatus=EEPROM_1_Write(lut+number,index);

number+=16;

}

Regpoint=(reg8*)CYDEV_EE_BASE;

for(index=0;index<100;index++)

{

if(Regpoint[index]!=lut[index])

{

LCD_1_Position(0,0);

LCD_1_PrintString("ERROR");

error++;

}

}

if(error==0)

{

LCD_1_Position(0,0);

LCD_1_PrintString("SUCCESS");

flag=true;

}

else

{

LCD_1_Position(0,0);

LCD_1_PrintString("ERROR");

}

if(flag==true)

{

Regpoint=(reg8*)CYDEV_EE_BASE;

LCD_1_Position(1,0);

LCD_1_PrintString("voltage:");

for(;;)

{DMA_SET();

if(Status_1_Read())

{

LCD_1_Position(1,strlen("voltage:"));

LCD_1_PrintInt8(VDAC8_1_Data);

}

}

}

}

/* [] END OF FILE */

void DMA_SET()

{ uint8 DMA_1_Chan;

uint8 DMA_1_TD[1];

DMA_1_Chan = DMA_1_DmaInitialize(DMA_1_BYTES_PER_BURST, DMA_1_REQUEST_PER_BURST, 

HI16(DMA_1_SRC_BASE), HI16(DMA_1_DST_BASE));

DMA_1_TD[0] = CyDmaTdAllocate();

CyDmaTdSetConfiguration(DMA_1_TD[0], 1, DMA_1_TD[0], TD_INC_SRC_ADR);

CyDmaTdSetAddress(DMA_1_TD[0], LO16((uint32)Regpoint), LO16((uint32)VDAC8_1_Data_PTR));

CyDmaChSetInitialTd(DMA_1_Chan, DMA_1_TD[0]);

CyDmaChEnable(DMA_1_Chan, 1);

}