段式液晶模块的驱动

case 2: pSg2->BtL.DA = 1; pSg2->BtL.DB = 1; pSg2->BtL.DC = 0; pSg2-> case 2: pSg2->BtL.DA = 1; pSg2->BtL.DB = 1; pSg2->BtL.DC = 0; pSg2->BtL.DD = 1;

pSg1->BtH.DE = 1; pSg1->BtH.DF = 0; pSg1->BtH.DG = 1; break;

case 3: pSg2->BtL.DA = 1; pSg2->BtL.DB = 1; pSg2->BtL.DC = 1; pSg2->BtL.DD = 1;

pSg1->BtH.DE = 0; pSg1->BtH.DF = 0; pSg1->BtH.DG = 1; break;

case 4: pSg2->BtL.DA = 0; pSg2->BtL.DB = 1; pSg2->BtL.DC = 1; pSg2->BtL.DD = 0;

pSg1->BtH.DE = 0; pSg1->BtH.DF = 1; pSg1->BtH.DG = 1; break;

case 5: pSg2->BtL.DA = 1; pSg2->BtL.DB = 0; pSg2->BtL.DC = 1; pSg2->BtL.DD = 1;

pSg1->BtH.DE = 0; pSg1->BtH.DF = 1; pSg1->BtH.DG = 1; break;

case 6: pSg2->BtL.DA = 1; pSg2->BtL.DB = 0; pSg2->BtL.DC = 1; pSg2->BtL.DD = 1;

pSg1->BtH.DE = 1; pSg1->BtH.DF = 1; pSg1->BtH.DG = 1; break;

case 7: pSg2->BtL.DA = 1; pSg2->BtL.DB = 1; pSg2->BtL.DC = 1; pSg2->BtL.DD = 0;

pSg1->BtH.DE = 0; pSg1->BtH.DF = 0; pSg1->BtH.DG = 0; break;

case 8: pSg2->BtL.DA = 1; pSg2->BtL.DB = 1; pSg2->BtL.DC = 1; pSg2->BtL.DD = 1;

pSg1->BtH.DE = 1; pSg1->BtH.DF = 1; pSg1->BtH.DG = 1; break;

case 9: pSg2->BtL.DA = 1; pSg2->BtL.DB = 1; pSg2->BtL.DC = 1; pSg2->BtL.DD = 1;

pSg1->BtH.DE = 0; pSg1->BtH.DF = 1; pSg1->BtH.DG = 1; break;

case : pSg2->BtL.DA = 0; pSg2->BtL.DB = 0; pSg2->BtL.DC = 0; pSg2->BtL.DD = 0;

pSg1->BtH.DE = 0; pSg1->BtH.DF = 0; pSg1->BtH.DG = 0; break;

default: break;

}

}

/**************************************************************************************

* FunctionName : HTBColon()

* Description : 冒号

* EntryParameter : None

* ReturnValue : None

**************************************************************************************/

void HTBColon(OS_SWT swt)

{

HTBRam.Seg2.BtH.DO = (swt > 0) ? 1 : 0;

}

/**************************************************************************************

* FunctionName : HTBTemStl()

* Description : 温度

* EntryParameter : None

* ReturnValue : None

**************************************************************************************/

void HTBTemStl(u8 stl)

{

HTBRam.Seg7.BtH.K4 = 0;

HTBRam.Seg7.BtH.K5 = 0;

HTBRam.Seg7.BtH.K6 = 0;

HTBRam.Seg7.BtH.K7 = 0;

switch (stl)

{

case 0: HTBRam.Seg7.BtH.K4 = 1; break;

case 1: HTBRam.Seg7.BtH.K5 = 1; break;

case 2: HTBRam.Seg7.BtH.K6 = 1; break;

case 3: HTBRam.Seg7.BtH.K7 = 1; break;

default : break;

}

}

/**************************************************************************************

* FunctionName : HTBWndStl()

* Description : 风速

* EntryParameter : None

* ReturnValue : None

**************************************************************************************/

void HTBWndStl(u8 stl)

{

HTBRam.Seg6.BtL.K1 = 0;

HTBRam.Seg6.BtL.K2 = 0;

HTBRam.Seg6.BtL.K3 = 0;

switch (stl)

{

case 0: HTBRam.Seg6.BtL.K3 = 1; break;

case 1: HTBRam.Seg6.BtL.K2 = 1; break;

case 2: HTBRam.Seg6.BtL.K1 = 1; break;

default : break;

}

}

图标的驱动如上，其实就是根据需要修改每一个寄存器位，这个寄存器修改后，我们还必须得传递给HT1621更新显示，才能真正实现显示的驱动：

/**************************************************************************************

* FunctionName : HTB_SendBitMsb()

* Description : 发送发送多位[高位在前]

* EntryParameter : None

* ReturnValue : None

**************************************************************************************/

void HTB_SendBitMsb(u8 dat, u8 cnt)

{

for (u8 i=0; i

{

(dat & 0x80) ? GPIO_WriteHigh(HTB_DT_PORT, HTB_DT_PIN) :

GPIO_WriteLow(HTB_DT_PORT, HTB_DT_PIN);

dat <= 1;

GPIO_WriteLow(HTB_WR_PORT, HTB_WR_PIN);

HTB_DelayUs(3);

GPIO_WriteHig