knb/ptouch_label
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Fix print completion flow for PT-P710BT and PT-P900W.

Browse Source 
Align raster protocol bytes and print-end sequencing by printer family, add safer status polling/retry behavior, and document the changes with regression coverage to prevent protocol regressions.

Made-with: Cursor
This commit is contained in:
knb
2026-04-17 05:17:22 +09:00
parent 779a50747d
commit d2fd6cc1f9
8 changed files with 98 additions and 28 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
src/lib/libptouch_print.c
View File

@@ -171,8 +171,7 @@ libptouch_err_t libptouch_print_raster(libptouch_ctx *ctx,
pos += sizeof(esc_ia);
}
/* Chain printing off; safer default for 128-dot family as well. */
static const uint8_t esc_ik[] = { 0x1B, 0x69, 0x4B, 0x08 };
uint8_t esc_ik[] = { 0x1B, 0x69, 0x4B, ptouch_esc_ik_value(head_dots) };
memcpy(head + pos, esc_ik, sizeof(esc_ik));
pos += sizeof(esc_ik);
@@ -218,6 +217,21 @@ libptouch_err_t libptouch_print_raster(libptouch_ctx *ctx,
}
free(gbuf);
/*
* Some 560-dot family devices are sensitive to end-of-page sequencing.
* Send FF (0x0C) then Control-Z (0x1A) on that family to explicitly
* terminate page and final feed/cut.
*/
if (head_dots > 128u) {
static const uint8_t page_end[] = { 0x0C };
v = ptouch_bulk_send_job(ctx, page_end, sizeof(page_end),
"print page end");
if (v != LIBPTOUCH_OK) {
free(transposed);
return v;
}
}
static const uint8_t print_end[] = { 0x1A };
v = ptouch_bulk_send_job(ctx, print_end, sizeof(print_end), "print end");
if (v != LIBPTOUCH_OK) {