canonselphyneo: Decode more error codes and battery status

master
Solomon Peachy 2 months ago
parent b2c5fbeac1
commit a9bd694245
  1. 63
      backend_canonselphyneo.c

@ -79,22 +79,38 @@ static const char *selphyneo_errors(uint8_t err)
switch(err) {
case 0x00:
return "None";
case 0x01:
return "Low battery";
case 0x02:
return "Paper Feed";
return "Paper Feed (No Paper?)";
case 0x03:
return "No Paper";
return "No Paper Tray";
case 0x04:
return "Incorrect Paper Tray";
case 0x05:
return "Incorrect Paper loaded";
case 0x06:
return "Ink Cassette Empty";
case 0x07:
return "No Ink";
case 0x08:
return "Incorrect Ink loaded";
case 0x09:
return "No Paper and Ink";
case 0x0A:
return "Incorrect media for job";
return "Incorrect paper tray and ink for job";
case 0x0B:
return "Paper jam";
case 0x0C:
return "Ink jam";
case 0x0D:
return "Ink illegal";
case 0x0E:
return "Unknown Ink";
case 0x0F:
return "Unknown Paper";
case 0x10:
return "Unknown Command";
default:
return "Unknown Error";
}
@ -116,6 +132,20 @@ static const char *selphynew_pgcodes(uint8_t type) {
}
}
static const char *selphyneo_powers(uint8_t sts) {
switch (sts & 0x3) {
case 0x00:
return "Line Power";
case 0x01:
return "Battery OK";
case 0x03:
return "Battery Low";
default:
return "Unknown";
}
}
static int selphyneo_send_reset(struct selphyneo_ctx *ctx)
{
uint8_t rstcmd[12] = { 0x40, 0x10, 0x00, 0x00,
@ -150,6 +180,7 @@ static int selphyneo_get_status(struct selphyneo_ctx *ctx)
return CUPS_BACKEND_FAILED;
INFO("Printer state: %s\n", selphyneo_statuses(rdback.data[0]));
INFO("Printer power state: %s\n", selphyneo_powers(rdback.data[7]));
INFO("Media type: %s\n", selphynew_pgcodes(rdback.data[6]));
if (rdback.data[2]) {
INFO("Printer error: %s\n", selphyneo_errors(rdback.data[2]));
@ -503,7 +534,7 @@ static const char *canonselphyneo_prefixes[] = {
const struct dyesub_backend canonselphyneo_backend = {
.name = "Canon SELPHY CP (new)",
.version = "0.22",
.version = "0.23",
.uri_prefixes = canonselphyneo_prefixes,
.cmdline_usage = selphyneo_cmdline,
.cmdline_arg = selphyneo_cmdline_arg,
@ -530,7 +561,7 @@ const struct dyesub_backend canonselphyneo_backend = {
Stream formats and readback codes for supported printers
***************************************************************************
Selphy CP820/CP910/CP1000/CP1200/CP1300:
Selphy CP820/CP910/CP1000/CP1200/CP1300/CP1500:
Radically different spool file format from older Selphy models.
300dpi, same nominal print sizes but slightly different dimensions.
@ -548,7 +579,7 @@ const struct dyesub_backend canonselphyneo_backend = {
4c 80 04 c0 05 1152 * 1472 (L)
43 40 04 9c 02 1088 * 668 (C)
ZZ == 00 Y'CbCr data follows
ZZ == 00 YUV444 data follows
== 01 CMY data follows
Followed by three planes of image data:
@ -557,8 +588,11 @@ const struct dyesub_backend canonselphyneo_backend = {
L == 5087264 (1695744 * 3)
C == 2180384 (726784 * 3)
It is worth mentioning that the Y'CbCr image data is surmised to use the
JPEG coefficients, although we realistically have no way of confirming this.
RGB -> YUV444 is as follows:
Y = ( 77 * R + 150 * G + 29 * B + 128 ) >> 8
U = ( ( -43 * R + 85 * G + 128 * B + 128 ) >> 8 ) + 128
V = ( ( 128 * R - 107 * G - 21 * B + 128 ) >> 8 ) + 128
Other questions:
@ -567,11 +601,10 @@ const struct dyesub_backend canonselphyneo_backend = {
- Pattern 1 (Matte)
- Pattern 2 (Fine Matte)
- Pattern 3 (Grid - not all models?)
* How to detect battery pack
Data Readback:
XX 00 YY 00 00 00 ZZ 00 00 00 00 00
XX 00 YY 00 00 00 ZZ PP 00 00 00 00
XX == Status
@ -593,7 +626,7 @@ const struct dyesub_backend canonselphyneo_backend = {
0A Media/Job mismatch
0B Paper Jam
ZZ == Media?
ZZ == Media
01
10
@ -602,9 +635,15 @@ const struct dyesub_backend canonselphyneo_backend = {
^-- Paper
1 == P
2 == L (??)
2 == L
3 == C
PP == Power state
00 = A/C power
01 = Battery OK
03 = Battery Low
Also, the first time a readback happens after plugging in the printer:
34 44 35 31 01 00 01 00 01 00 45 00 "4D51" ...??

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