static int VFD_Seg_Dig_Seg(unsigned char dignum, SegNum_T segnum, unsigned char val)
{
unsigned char addr=0;
if(segnum < 0 && segnum > 1)
{
dprintk(2, "bad parameter!\n");
return -1;
}
VFD_CS_CLR();
if(segnum == SEGNUM1)
{
addr = VfdSegAddr[dignum].Segaddr1;
VfdSegAddr[dignum].CurrValue1 = val ;
}
else if(segnum == SEGNUM2)
{
addr = VfdSegAddr[dignum].Segaddr2;
VfdSegAddr[dignum].CurrValue2 = val ;
}
VFD_WR(addr);
udelay(5);
VFD_WR(val);
VFD_CS_SET();
return 0;
}
static int VFD_Show_Content(void)
{
int res = 0;
VFD_CS_CLR();
res = VFD_WR(0x8F);
VFD_CS_SET();
return res;
}
static int VFD_Show_Content(void)
{
down_interruptible(&display_sem); //maby no need. need more testing
VFD_CS_CLR();
VFD_WR(0x8F);
VFD_CS_SET();
up(&display_sem);
udelay(20);
return 0;
}
static int VFD_Set_Mode(VFDMode_T mode)
{
unsigned char data = 0;
if(mode == VFDWRITEMODE)
{
data = 0x44;
VFD_CS_CLR();
VFD_WR(data);
VFD_CS_SET();
}
else if(mode == VFDREADMODE)
{
data = 0x46;
VFD_WR(data);
udelay(5);
}
return 0;
}
static int VFD_Seg_Dig_Seg(unsigned char dignum, SegNum_T segnum, unsigned char val)
{
int res = 0;
unsigned char addr=0;
if(segnum < 0 && segnum > 1)
res = -EINVAL;
VFD_CS_CLR();
if(segnum == SEGNUM1)
{
addr = VfdSegAddr[dignum].Segaddr1;
VfdSegAddr[dignum].CurrValue1 = val ;
}
else if(segnum == SEGNUM2)
{
addr = VfdSegAddr[dignum].Segaddr2;
VfdSegAddr[dignum].CurrValue2 = val ;
}
res = VFD_WR(addr);
udelay(1);
res = VFD_WR(val);
VFD_CS_SET();
return res;
}
