紧急求助HT1625驱动问题

只看该作者 · 2016-8-18 23:02

本人第一次使用HT1625，液晶屏始终不亮，求助用过的大神帮忙分析一下，万分感激！
在线等，急！急！急！

#define CMD_SYSEN    0x01
#define CMD_LCDON    0x03
#define CMD_TIMERDIS 0x04
#define CMD_WDTDIS    0x05
#define CMD_RC32K    0x18
#define CMD_IRQDIS    0x80

void LCD_Init(void)
{
SendCmd(CMD_SYSEN);
SendCmd(CMD_LCDON);
SendCmd(CMD_TIMERDIS);
SendCmd(CMD_WDTDIS);
SendCmd(CMD_RC32K);
SendCmd(CMD_IRQDIS);
}

void SendBit_1625(uint8_t mdata, uint8_t cnt)
{
uint8_t i;

Delayus(1);
for(i=0; i<cnt; i++)
{
      if(mdata & 0x80)
         LCD_DATA_H;
      else
         LCD_DATA_L;
LCD_WR_L;
Delayus(1);
LCD_WR_H;    //write one bit
      Delayus(1);
mdata <<= 1;
}
}

void SendDataBit_1625(uint8_t mdata, uint8_t cnt)
{
uint8_t i;

for(i=0; i<cnt; i++)
{
      if(mdata & 0x01)
         LCD_DATA_H;
      else
         LCD_DATA_L;
LCD_WR_L;
Delayus(1);
LCD_WR_H;    //write one bit
      Delayus(1);
      mdata >>= 1;
}
}

void SendCmd(uint8_t command)
{
LCD_CS_L;
SendBit_1625(0x80, 3);    //100
SendBit_1625(command, 9);
LCD_CS_H;
}

void Write_1625(uint8_t addr, uint8_t mdata)
{
LCD_CS_L;
SendBit_1625(0xa0, 3);    //101
SendBit_1625(addr<<1, 7);
SendDataBit_1625(mdata, 4);
LCD_CS_H;
}

void WriteAll_1625(uint8_t addr, uint8_t *p, uint8_t cnt)
{
uint8_t i;

LCD_CS_L;
SendBit_1625(0xa0, 3);    //101
SendBit_1625(addr<<1, 7);
for(i=0; i<cnt; i++)
{
      SendDataBit_1625(*p, 8);
      p++;
}
LCD_CS_H;
}

void test(void)
{
uint8_t i, temp;

temp = 0xFF;
LCD_CS_L;
SendBit_1625(0xa0, 3);    //101
SendBit_1625(0x00, 7);
for(i =0; i <64; i ++)
{
      SendDataBit_1625(temp, 8);
}
}

只看该作者 · 2016-9-14 00:35

只看该作者 · 2016-10-13 23:51

紧急求助HT1625驱动问题

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