JNIEXPORT void JNICALL Java_io_card_payment_CardScanner_nSetup(JNIEnv *env, jobject thiz,
jboolean shouldOnlyDetectCard, jfloat jMinFocusScore) {
dmz_debug_log("Java_io_card_payment_CardScanner_nSetup");
dmz_trace_log("dmz trace enabled");
detectOnly = shouldOnlyDetectCard;
minFocusScore = jMinFocusScore;
flipped = false;
lastFrameWasUsable = false;
if (dmz == NULL) {
dmz = dmz_context_create();
scanner_initialize(&scannerState);
}
else {
scanner_reset(&scannerState);
}
dmz_refcount++;
cvSetErrMode(CV_ErrModeParent);
}
JNIEXPORT void JNICALL Java_io_card_payment_CardScanner_nResetAnalytics(JNIEnv *env, jobject thiz) {
scanner_reset(&scannerState);
}
int sanei_canon_pp_wake_scanner(struct parport *port, int mode)
{
/* The scanner tristates the printer's control lines
(essentially disabling the passthrough port) and exits
from Transparent Mode ready for communication. */
int i = 0;
int tmp;
int max_cycles = 3;
tmp = readstatus(port);
/* Reset only works on 30/40 models */
if (mode != INITMODE_20P)
{
if ((tmp != READY))
{
DBG(40, "Scanner not ready (0x%x). Attempting to "
"reset...\n", tmp);
scanner_reset(port);
/* give it more of a chance to reset in this case */
max_cycles = 5;
}
} else {
DBG(0, "WARNING: Don't know how to reset an FBx20P, you may "
"have to power cycle\n");
}
do
{
i++;
/* Send the wakeup sequence */
scanner_chessboard_control(port);
scanner_chessboard_data(port, mode);
if (expect(port, NULL, 0x03, 0x1f, 800000) &&
(mode == INITMODE_AUTO))
{
/* 630 Style init failed, try 620 style */
scanner_chessboard_control(port);
scanner_chessboard_data(port, INITMODE_20P);
}
if (expect(port, "Scanner wakeup reply 1", 0x03, 0x1f, 50000))
{
outboth(port, 0x04, 0x0d);
usleep(100000);
outcont(port, 0x07, 0x0f);
usleep(100000);
}
} while ((i < max_cycles) && (!expect(port,"Scanner wakeup reply 2",
0x03, 0x1f, 100000) == 0));
/* Block just after chessboarding
Reply 1 (S3 and S4 on, S5 and S7 off) */
outcont(port, 0, HOSTBUSY); /* C1 off */
/* Reply 2 - If it ain't happening by now, it ain't gonna happen. */
if (expect(port, "Reply 2", 0xc, 0x1f, 800000))
return -1;
outcont(port, HOSTBUSY, HOSTBUSY); /* C1 on */
if (expect(port, "Reply 3", 0x0b, 0x1f, 800000))
return -1;
outboth(port, 0, NSELECTIN | NINIT | HOSTCLK); /* Clear D, C3+, C1- */
/* If we had to try the wakeup cycle more than once, we should wait
* here for 10 seconds to let the scanner pull itself together -
* it can actually take longer, but I can't wait that long! */
if (i > 1)
{
DBG(10, "Had to reset scanner, waiting for the "
"head to get back.\n");
usleep(10000000);
}
return 0;
}
