int
serialVFD_init_parallel (Driver *drvthis)
{
PrivateData *p = drvthis->private_data;
#ifdef HAVE_PCSTYLE_LPT_CONTROL
debug(RPT_DEBUG, "%s: Opening parallelport at: 0x%X", __FUNCTION__, p->port);
if (port_access_multiple(p->port,3)) {
report(RPT_ERR, "%s: port_access_multiple() of 0x%X failed (%s)\n", __FUNCTION__, p->port, strerror(errno));
return -1;
}
return 0;
#else
report(RPT_ERR, "%s: LCDproc was compiled without PCstyle LPT support\n", __FUNCTION__);
return -1;
#endif
}
/**
* API: Initialize the driver.
*/
MODULE_EXPORT int
sdeclcd_init(Driver *drvthis)
{
PrivateData *p;
int i, j;
/*
* Compact version of big num character bitmaps. Stack each line
* separately to visualize each char.
*/
static char bignum_bitmaps[] = {
b___XXXX, b__XX___, b__XX___, b__XX___, b__XX___, b__XX___, b__XX___, b__XX___,
b__XXXX_, b_____XX, b_____XX, b_____XX, b_____XX, b_____XX, b_____XX, b_____XX,
b__XX___, b__XX___, b__XX___, b__XX___, b__XX___, b__XX___, b__XX___, b___XXXX,
b_____XX, b_____XX, b_____XX, b_____XX, b_____XX, b_____XX, b_____XX, b__XXXX_,
b_____XX, b_____XX, b_____XX, b_____XX, b_____XX, b_____XX, b_____XX, b_____XX,
b__XXXXX, b_______, b_______, b_______, b_______, b_______, b_______, b__XXXXX,
b__XXXX_, b_____XX, b_____XX, b_____XX, b_____XX, b_____XX, b_____XX, b__XXXX_,
b___XXXX, b__XX___, b__XX___, b__XX___, b__XX___, b__XX___, b__XX___, b___XXXX
};
/* Allocate and store private data */
p = (PrivateData *) malloc(sizeof(PrivateData));
if (p == NULL)
return -1;
if (drvthis->store_private_ptr(drvthis, p))
return -1;
/* Initialize private data and read config */
p->ccmode = standard;
p->bklgt = BACKLIGHT_ON;
p->bklgt_timer = SDEC_BKLT_DFT;
p->bklgt_lasttime = time(NULL);
p->hrbt_lasttime = time(NULL);
p->hb_stus = HEARTBEAT_OFF;
p->framebuf = (char *)malloc(SDEC_DISP_W * SDEC_DISP_H);
p->framelcd = (char *)malloc(SDEC_DISP_W * SDEC_DISP_H);
p->vbar_cg = (char *)malloc(SDEC_CELL_H * SDEC_NUM_CC);
p->hbar_cg = (char *)malloc(SDEC_CELL_H * SDEC_NUM_CC);
p->bignum_cg = (char *)bignum_bitmaps;
if (NULL == p->framebuf || NULL == p->framelcd ||
NULL == p->vbar_cg || NULL == p->hbar_cg) {
report(RPT_ERR, "%s: unable to allocate framebuffer",
drvthis->name);
return -1;
}
memset(p->framebuf, ' ', SDEC_DISP_W * SDEC_DISP_H);
memset(p->framelcd, ' ', SDEC_DISP_W * SDEC_DISP_H);
/* Prepare custom character bitmaps:vbar, hbar */
for (i = 0; i < SDEC_NUM_CC; i++) {
for (j = 0; j < SDEC_CELL_H; j++) {
/* Visualize this: */
p->vbar_cg[i * SDEC_CELL_H + SDEC_CELL_H - j - 1] = (j <= i) ? 0xFF : 0;
p->hbar_cg[i * SDEC_CELL_H + j] = (~(0x0F >> i)) & 0x1F;
}
}
p->bignum_cg = bignum_bitmaps;
/* Initializes the scheduler, see timing.h */
timing_init();
/* Initialize access to the ports */
if (port_access_multiple(LPT_DEFAULT, 3)) {
report(RPT_ERR, "%s: cannot get IO-permission for 0x%03X! Are we root?",
drvthis->name, LPT_DEFAULT);
return -1;
}
sdec_init();
return 0;
}
