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dnp_ds40: Make spooling a little more intelligent, and add status query

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for color table information.
This commit is contained in:
Solomon Peachy 2013-12-16 23:01:30 -05:00
parent 6d9ca428c4
commit 3ce2346a0d
1 changed files with 51 additions and 9 deletions
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60
backend_dnpds40.c
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@ -359,15 +359,16 @@ static int dnpds40_main_loop(void *vctx, int copies) {
uint8_t *resp = NULL;
int len = 0;
uint8_t *ptr;
char buf[9];
if (!ctx)
return 1;
/* Parse job to figure out quantity offset. */
if (copies > 1) {
uint8_t *ptr = ctx->databuf;
char buf[9];
int offset;
int offset;
ptr = ctx->databuf;
while(ptr && ptr < (ctx->databuf + ctx->datalen)) {
if(!memcmp("CNTRL QTY", (char*)ptr+2, 9)) {
snprintf(buf, sizeof(buf), "%07d\r", copies);
@ -419,7 +420,11 @@ top:
return -1;
dnpds40_cleanup_string((char*)resp, len);
// XXX should we query the vertical resolution?
/* We need a minumum of two buffers to be safe everywhere */
// XXX 300x300 dpi is always safe with one buffer.
// XXX 300x600 dpi often requires two buffers to be safe.
if (!strcmp("FBP00", (char*)resp) ||
!strcmp("FBP01", (char*)resp)) {
/* We don't have enough buffers */
@ -428,10 +433,20 @@ top:
goto top;
}
/* Just dump the whole thing over */
if ((ret = send_data(ctx->dev, ctx->endp_down,
ctx->databuf, ctx->datalen)))
return ret;
/* Send the stream over as individual data chunks */
ptr = ctx->databuf;
while(ptr && ptr < (ctx->databuf + ctx->datalen)) {
int i;
buf[9] = 0;
memcpy(buf, ptr + 24, 8);
i = atoi(buf) + 24 + 8;
if ((ret = send_data(ctx->dev, ctx->endp_down,
ptr, i)))
return ret;
ptr += i;
}
/* This printer handles copies internally */
copies = 1;
@ -628,6 +643,33 @@ static int dnpds40_get_info(struct dnpds40_ctx *ctx)
free(resp);
/* Get Color Control Data Version */
dnpds40_build_cmd(&cmd, "TBL_RD", "Version", 0);
resp = dnpds40_resp_cmd(ctx, &cmd, &len);
if (!resp)
return -1;
dnpds40_cleanup_string((char*)resp, len);
INFO("Color Data Version: '%s'\n", (char*)resp);
free(resp);
/* Get Color Control Data Checksum */
dnpds40_build_cmd(&cmd, "MNT_RD", "CTRLD_CHKSUM", 0);
resp = dnpds40_resp_cmd(ctx, &cmd, &len);
if (!resp)
return -1;
dnpds40_cleanup_string((char*)resp, len);
INFO("Color Data Checksum: '%s'\n", (char*)resp);
free(resp);
return 0;
}
@ -830,7 +872,7 @@ static int dnpds40_cmdline_arg(void *vctx, int run, char *arg1, char *arg2)
/* Exported */
struct dyesub_backend dnpds40_backend = {
.name = "DNP DS40/DS80",
.version = "0.16",
.version = "0.17",
.uri_prefix = "dnpds40",
.cmdline_usage = dnpds40_cmdline,
.cmdline_arg = dnpds40_cmdline_arg,