summaryrefslogtreecommitdiffstats
path: root/sys/qcam/qcam-lib.c
diff options
context:
space:
mode:
Diffstat (limited to 'sys/qcam/qcam-lib.c')
-rw-r--r--sys/qcam/qcam-lib.c164
1 files changed, 82 insertions, 82 deletions
diff --git a/sys/qcam/qcam-lib.c b/sys/qcam/qcam-lib.c
index e7208cdc..c472e577 100644
--- a/sys/qcam/qcam-lib.c
+++ b/sys/qcam/qcam-lib.c
@@ -252,8 +252,8 @@ qc_calibrate (struct qcam *q)
int count = 0;
#endif
- qc_command (q, 27); /* AutoAdjustOffset */
- qc_command (q, 0); /* Dummy Parameter, ignored by the camera */
+ qc_command (q, 27); /* AutoAdjustOffset */
+ qc_command (q, 0); /* Dummy Parameter, ignored by the camera */
/* GetOffset (33) will read 255 until autocalibration */
/* is finished. After that, a value of 1-254 will be */
@@ -294,7 +294,7 @@ qc_init (void)
q = malloc (sizeof (struct qcam));
- q->port = 0; /* Port 0 == Autoprobe */
+ q->port = 0; /* Port 0 == Autoprobe */
q->port_mode = (QC_ANY | QC_NOTSET);
q->width = 160;
q->height = 120;
@@ -306,11 +306,11 @@ qc_init (void)
q->top = 1;
q->left = 14;
q->mode = -1;
- q->fd = -1; /* added initialization of fd member
- * BTW, there doesn't seem to be a place to close this fd...
- * I think we need a qc_free function.
- * - Dave Plonka (plonka@carroll1.cc.edu)
- */
+ q->fd = -1; /* added initialization of fd member
+ * BTW, there doesn't seem to be a place to close this fd...
+ * I think we need a qc_free function.
+ * - Dave Plonka (plonka@carroll1.cc.edu)
+ */
return q;
}
@@ -470,9 +470,9 @@ qc_detect (const struct qcam *q)
/* Be liberal in what you accept... */
if (count > 3 && count < 15)
- return 1; /* found */
+ return 1; /* found */
else
- return 0; /* not found */
+ return 0; /* not found */
}
@@ -498,9 +498,9 @@ qc_reset (struct qcam *q)
write_lpdata (q, 0x75);
if (read_lpdata (q) != 0x75) {
- q->port_mode = (q->port_mode & ~QC_MODE_MASK) | QC_BIDIR;
+ q->port_mode = (q->port_mode & ~QC_MODE_MASK) | QC_BIDIR;
} else {
- q->port_mode = (q->port_mode & ~QC_MODE_MASK) | QC_UNIDIR;
+ q->port_mode = (q->port_mode & ~QC_MODE_MASK) | QC_UNIDIR;
}
break;
@@ -514,7 +514,7 @@ qc_reset (struct qcam *q)
write_lpcontrol (q, 0xb);
usleep (250);
write_lpcontrol (q, 0xe);
- (void) qc_setscanmode (q); /* in case port_mode changed */
+ (void) qc_setscanmode (q); /* in case port_mode changed */
}
@@ -600,7 +600,7 @@ qc_set (struct qcam *q)
} else {
val = q->width * q->bpp;
val2 = (((q->port_mode & QC_MODE_MASK) == QC_BIDIR) ? 24 : 8) *
- q->transfer_scale;
+ q->transfer_scale;
}
val = (val + val2 - 1) / val2;
qc_command (q, 0x13);
@@ -639,7 +639,7 @@ qc_readbytes (const struct qcam *q, char buffer[])
}
switch (q->port_mode & QC_MODE_MASK) {
- case QC_BIDIR: /* Bi-directional Port */
+ case QC_BIDIR: /* Bi-directional Port */
write_lpcontrol (q, 0x26);
lo = (qc_waithand2 (q, 1) >> 1);
hi = (read_lpstatus (q) >> 3) & 0x1f;
@@ -647,74 +647,74 @@ qc_readbytes (const struct qcam *q, char buffer[])
lo2 = (qc_waithand2 (q, 0) >> 1);
hi2 = (read_lpstatus (q) >> 3) & 0x1f;
switch (q->bpp) {
- case 4:
- buffer[0] = lo & 0xf;
- buffer[1] = ((lo & 0x70) >> 4) | ((hi & 1) << 3);
- buffer[2] = (hi & 0x1e) >> 1;
- buffer[3] = lo2 & 0xf;
- buffer[4] = ((lo2 & 0x70) >> 4) | ((hi2 & 1) << 3);
- buffer[5] = (hi2 & 0x1e) >> 1;
- ret = 6;
- break;
- case 6:
- buffer[0] = lo & 0x3f;
- buffer[1] = ((lo & 0x40) >> 6) | (hi << 1);
- buffer[2] = lo2 & 0x3f;
- buffer[3] = ((lo2 & 0x40) >> 6) | (hi2 << 1);
- ret = 4;
- break;
- default:
- fprintf (stderr, "Bad bidir pixel depth %d\n", q->bpp);
- ret = -1;
- break;
+ case 4:
+ buffer[0] = lo & 0xf;
+ buffer[1] = ((lo & 0x70) >> 4) | ((hi & 1) << 3);
+ buffer[2] = (hi & 0x1e) >> 1;
+ buffer[3] = lo2 & 0xf;
+ buffer[4] = ((lo2 & 0x70) >> 4) | ((hi2 & 1) << 3);
+ buffer[5] = (hi2 & 0x1e) >> 1;
+ ret = 6;
+ break;
+ case 6:
+ buffer[0] = lo & 0x3f;
+ buffer[1] = ((lo & 0x40) >> 6) | (hi << 1);
+ buffer[2] = lo2 & 0x3f;
+ buffer[3] = ((lo2 & 0x40) >> 6) | (hi2 << 1);
+ ret = 4;
+ break;
+ default:
+ fprintf (stderr, "Bad bidir pixel depth %d\n", q->bpp);
+ ret = -1;
+ break;
}
break;
- case QC_UNIDIR: /* Unidirectional Port */
+ case QC_UNIDIR: /* Unidirectional Port */
write_lpcontrol (q, 6);
lo = (qc_waithand (q, 1) & 0xf0) >> 4;
write_lpcontrol (q, 0xe);
hi = (qc_waithand (q, 0) & 0xf0) >> 4;
switch (q->bpp) {
- case 4:
- buffer[0] = lo;
- buffer[1] = hi;
- ret = 2;
- break;
- case 6:
- switch (state) {
- case 0:
- buffer[0] = (lo << 2) | ((hi & 0xc) >> 2);
- saved_bits = (hi & 3) << 4;
- state = 1;
- ret = 1;
- break;
- case 1:
- buffer[0] = lo | saved_bits;
- saved_bits = hi << 2;
- state = 2;
- ret = 1;
- break;
- case 2:
- buffer[0] = ((lo & 0xc) >> 2) | saved_bits;
- buffer[1] = ((lo & 3) << 4) | hi;
- state = 0;
- ret = 2;
- break;
- default:
- fprintf (stderr, "Unidir 6-bit state %d?\n", state);
- ret = -1;
- break;
- }
- break;
- default:
- fprintf (stderr, "Bad unidir pixel depth %d\n", q->bpp);
- ret = -1;
- break;
+ case 4:
+ buffer[0] = lo;
+ buffer[1] = hi;
+ ret = 2;
+ break;
+ case 6:
+ switch (state) {
+ case 0:
+ buffer[0] = (lo << 2) | ((hi & 0xc) >> 2);
+ saved_bits = (hi & 3) << 4;
+ state = 1;
+ ret = 1;
+ break;
+ case 1:
+ buffer[0] = lo | saved_bits;
+ saved_bits = hi << 2;
+ state = 2;
+ ret = 1;
+ break;
+ case 2:
+ buffer[0] = ((lo & 0xc) >> 2) | saved_bits;
+ buffer[1] = ((lo & 3) << 4) | hi;
+ state = 0;
+ ret = 2;
+ break;
+ default:
+ fprintf (stderr, "Unidir 6-bit state %d?\n", state);
+ ret = -1;
+ break;
+ }
+ break;
+ default:
+ fprintf (stderr, "Bad unidir pixel depth %d\n", q->bpp);
+ ret = -1;
+ break;
}
break;
- case QC_SERIAL: /* Serial Interface. Just in case. */
+ case QC_SERIAL: /* Serial Interface. Just in case. */
default:
fprintf (stderr, "Mode %x not supported\n", q->port_mode);
ret = -1;
@@ -770,7 +770,7 @@ qc_scan (const struct qcam * q)
}
if ((q->port_mode & QC_MODE_MASK) == QC_BIDIR) {
- write_lpcontrol (q, 0x2e); /* turn port around */
+ write_lpcontrol (q, 0x2e); /* turn port around */
write_lpcontrol (q, 0x26);
(void) qc_waithand (q, 1);
write_lpcontrol (q, 0x2e);
@@ -801,18 +801,18 @@ qc_scan (const struct qcam * q)
bytes = qc_readbytes (q, buffer);
assert (bytes > 0);
for (k = 0; k < bytes && (pixels_read + k) < pixels_per_line; k++) {
- assert (buffer[k] <= invert);
- assert (buffer[k] >= 0);
- if (buffer[k] == 0 && invert == 16) {
- /* 4bpp is odd (again) -- inverter is 16, not 15, but output
- must be 0-15 -- bls */
- buffer[k] = 16;
- }
- ret[i * pixels_per_line + pixels_read + k] = invert - buffer[k];
+ assert (buffer[k] <= invert);
+ assert (buffer[k] >= 0);
+ if (buffer[k] == 0 && invert == 16) {
+ /* 4bpp is odd (again) -- inverter is 16, not 15, but output
+ must be 0-15 -- bls */
+ buffer[k] = 16;
+ }
+ ret[i * pixels_per_line + pixels_read + k] = invert - buffer[k];
}
pixels_read += bytes;
}
- (void) qc_readbytes (q, 0); /* reset state machine */
+ (void) qc_readbytes (q, 0); /* reset state machine */
}
if ((q->port_mode & QC_MODE_MASK) == QC_BIDIR) {
generated by cgit v1.2.1 (git 2.18.0) at 2024-07-07 09:51:47 +0000