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selphy_print/backend_dnpds40.c

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/*
* DNP DS40/DS80 Photo Printer CUPS backend -- libusb-1.0 version
*
* (c) 2013-2015 Solomon Peachy <pizza@shaftnet.org>
*
* Development of this backend was sponsored by:
*
* Marco Di Antonio and [ ilgruppodigitale.com ]
* LiveLink Technology [ www.livelinktechnology.net ]
*
* The latest version of this program can be found at:
*
* http://git.shaftnet.org/cgit/selphy_print.git
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 3 of the License, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* [http://www.gnu.org/licenses/gpl-3.0.html]
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <signal.h>
#include "backend_common.h"
#define USB_VID_DNP 0x1343
#define USB_PID_DNP_DS40 0x0003 // Also Citizen CX
#define USB_PID_DNP_DS80 0x0004 // Also Citizen CX-W, and Mitsubishi CP-3800DW
#define USB_PID_DNP_DSRX1 0x0005 // Also Citizen CY
//#define USB_PID_OLMEC_OP900 XXXX
//#define USB_PID_CITIZEN_CW-02 XXXXX
//#define USB_PID_CITIZEN_OP900II XXXXX
/* Private data stucture */
struct dnpds40_ctx {
struct libusb_device_handle *dev;
uint8_t endp_up;
uint8_t endp_down;
int type;
int buf_needed;
int last_matte;
uint32_t multicut;
uint8_t *qty_offset;
uint8_t *databuf;
int datalen;
};
struct dnpds40_cmd {
uint8_t esc; /* Fixed at ascii ESC, aka 0x1B */
uint8_t p; /* Fixed at ascii 'P' aka 0x50 */
uint8_t arg1[6];
uint8_t arg2[16];
uint8_t arg3[8]; /* Decimal value of arg4's length, or empty */
uint8_t arg4[0]; /* Extra payload if arg3 is non-empty
Doesn't have to be sent in the same URB */
/* All unused elements are set to 0x20 (ie ascii space) */
};
#define min(__x, __y) ((__x) < (__y)) ? __x : __y
static void dnpds40_build_cmd(struct dnpds40_cmd *cmd, char *arg1, char *arg2, uint32_t arg3_len)
{
memset(cmd, 0x20, sizeof(*cmd));
cmd->esc = 0x1b;
cmd->p = 0x50;
memcpy(cmd->arg1, arg1, min(strlen(arg1), sizeof(cmd->arg1)));
memcpy(cmd->arg2, arg2, min(strlen(arg2), sizeof(cmd->arg2)));
if (arg3_len) {
char buf[9];
snprintf(buf, sizeof(buf), "%08u", arg3_len);
memcpy(cmd->arg3, buf, 8);
}
}
static void dnpds40_cleanup_string(char *start, int len)
{
char *ptr = strchr(start, 0x0d);
if (ptr && (ptr - start < len)) {
*ptr = 0x00; /* If there is a <CR>, terminate there */
len = ptr - start;
} else {
start[--len] = 0x00; /* force null-termination */
}
/* Trim trailing spaces */
while (len && start[len-1] == ' ') {
start[--len] = 0;
}
}
static char *dnpds40_media_types(char *str)
{
char tmp[4];
int i;
memcpy(tmp, str + 4, 3);
tmp[3] = 0;
i = atoi(tmp);
/* Subtract out the "mark" type */
if (i & 1)
i--;
switch (i) {
case 200: return "5x3.5 (L)";
case 210: return "5x7 (2L)";
case 300: return "6x4 (PC)";
case 310: return "6x8 (A5)";
case 400: return "6x9 (A5W)";
case 500: return "8x10";
case 510: return "8x12";
default:
break;
}
return "Unknown type";
}
static char *dnpds40_statuses(char *str)
{
char tmp[6];
int i;
memcpy(tmp, str, 5);
tmp[5] = 0;
i = atoi(tmp);
switch (i) {
case 0: return "Idle";
case 1: return "Printing";
case 500: return "Cooling Print Head";
case 510: return "Cooling Paper Motor";
case 1000: return "Cover Open";
case 1010: return "No Scrap Box";
case 1100: return "Paper End";
case 1200: return "Ribbon End";
case 1300: return "Paper Jam";
case 1400: return "Ribbon Error";
case 1500: return "Paper Definition Error";
case 1600: return "Data Error";
case 2000: return "Head Voltage Error";
case 2100: return "Head Position Error";
case 2200: return "Power Supply Fan Error";
case 2300: return "Cutter Error";
case 2400: return "Pinch Roller Error";
case 2500: return "Abnormal Head Temperature";
case 2600: return "Abnormal Media Temperature";
case 2610: return "Abnormal Paper Motor Temperature";
case 2700: return "Ribbon Tension Error";
case 2800: return "RF-ID Module Error";
case 3000: return "System Error";
default:
break;
}
return "Unkown Error";
}
static int dnpds40_do_cmd(struct dnpds40_ctx *ctx,
struct dnpds40_cmd *cmd,
uint8_t *data, int len)
{
int ret;
if ((ret = send_data(ctx->dev, ctx->endp_down,
(uint8_t*)cmd, sizeof(*cmd))))
return ret;
if (data && len)
if ((ret = send_data(ctx->dev, ctx->endp_down,
data, len)))
return ret;
return CUPS_BACKEND_OK;
}
static uint8_t * dnpds40_resp_cmd(struct dnpds40_ctx *ctx,
struct dnpds40_cmd *cmd,
int *len)
{
char tmp[9];
uint8_t *respbuf;
int ret, i, num = 0;
memset(tmp, 0, sizeof(tmp));
if ((ret = dnpds40_do_cmd(ctx, cmd, NULL, 0)))
return NULL;
/* Read in the response header */
ret = read_data(ctx->dev, ctx->endp_up,
(uint8_t*)tmp, 8, &num);
if (ret < 0)
return NULL;
if (num != 8) {
ERROR("Short read! (%d/%d)\n", num, 8);
return NULL;
}
i = atoi(tmp); /* Length of payload in bytes, possibly padded */
respbuf = malloc(i);
/* Read in the actual response */
ret = read_data(ctx->dev, ctx->endp_up,
respbuf, i, &num);
if (ret < 0) {
free(respbuf);
return NULL;
}
if (num != i) {
ERROR("Short read! (%d/%d)\n", num, i);
free(respbuf);
return NULL;
}
*len = num;
return respbuf;
}
static int dnpds40_query_serno(struct libusb_device_handle *dev, uint8_t endp_up, uint8_t endp_down, char *buf, int buf_len)
{
struct dnpds40_cmd cmd;
uint8_t *resp;
int len = 0;
struct dnpds40_ctx ctx = {
.dev = dev,
.endp_up = endp_up,
.endp_down = endp_down,
};
/* Get Serial Number */
dnpds40_build_cmd(&cmd, "INFO", "SERIAL_NUMBER", 0);
resp = dnpds40_resp_cmd(&ctx, &cmd, &len);
if (!resp)
return CUPS_BACKEND_FAILED;
dnpds40_cleanup_string((char*)resp, len);
strncpy(buf, (char*)resp, buf_len);
buf[buf_len-1] = 0;
free(resp);
return CUPS_BACKEND_OK;
}
static void *dnpds40_init(void)
{
struct dnpds40_ctx *ctx = malloc(sizeof(struct dnpds40_ctx));
if (!ctx)
return NULL;
memset(ctx, 0, sizeof(struct dnpds40_ctx));
ctx->type = P_ANY;
ctx->last_matte = -1;
return ctx;
}
static void dnpds40_attach(void *vctx, struct libusb_device_handle *dev,
uint8_t endp_up, uint8_t endp_down, uint8_t jobid)
{
struct dnpds40_ctx *ctx = vctx;
struct libusb_device *device;
struct libusb_device_descriptor desc;
UNUSED(jobid);
ctx->dev = dev;
ctx->endp_up = endp_up;
ctx->endp_down = endp_down;
device = libusb_get_device(dev);
libusb_get_device_descriptor(device, &desc);
/* Map out device type */
if (desc.idProduct == USB_PID_DNP_DS40)
ctx->type = P_DNP_DS40;
else
ctx->type = P_DNP_DS80;
}
static void dnpds40_teardown(void *vctx) {
struct dnpds40_ctx *ctx = vctx;
if (!ctx)
return;
if (ctx->databuf)
free(ctx->databuf);
free(ctx);
}
#define MAX_PRINTJOB_LEN (((2448*7536+1024+54))*3+1024) /* Worst-case */
static int dnpds40_read_parse(void *vctx, int data_fd) {
struct dnpds40_ctx *ctx = vctx;
int run = 1;
char buf[9] = { 0 };
uint32_t matte, multicut, dpi;
if (!ctx)
return CUPS_BACKEND_FAILED;
if (ctx->databuf) {
free(ctx->databuf);
ctx->databuf = NULL;
}
/* There's no way to figure out the total job length in advance, we
have to parse the stream until we get to the image plane data,
and even then the stream can contain arbitrary commands later.
So instead, we allocate a buffer of the maximum possible length,
then parse the incoming stream until we hit the START command at
the end of the job.
*/
ctx->datalen = 0;
ctx->databuf = malloc(MAX_PRINTJOB_LEN);
if (!ctx->databuf) {
ERROR("Memory allocation failure!\n");
return CUPS_BACKEND_CANCEL;
}
/* Clear everything out */
matte = 0;
dpi = 0;
multicut = 0;
while (run) {
int remain, i, j;
/* Read in command header */
i = read(data_fd, ctx->databuf + ctx->datalen,
sizeof(struct dnpds40_cmd));
if (i < 0)
return i;
if (i == 0)
break;
if (i < (int) sizeof(struct dnpds40_cmd))
return CUPS_BACKEND_CANCEL;
if (ctx->databuf[ctx->datalen + 0] != 0x1b ||
ctx->databuf[ctx->datalen + 1] != 0x50) {
ERROR("Unrecognized header data format @%d!\n", ctx->datalen);
return CUPS_BACKEND_CANCEL;
}
/* Parse out length of data chunk, if any */
memcpy(buf, ctx->databuf + ctx->datalen + 24, 8);
j = atoi(buf);
/* Read in data chunk as quickly as possible */
remain = j;
while (remain > 0) {
i = read(data_fd, ctx->databuf + ctx->datalen + sizeof(struct dnpds40_cmd),
remain);
if (i < 0)
return i;
if (i == 0)
return 1;
ctx->datalen += i;
remain -= i;
}
ctx->datalen -= j; /* Back it off */
/* Check for some offsets */
if(!memcmp("CNTRL QTY", ctx->databuf + ctx->datalen+2, 9)) {
ctx->qty_offset = ctx->databuf + ctx->datalen + 32;
}
if(!memcmp("CNTRL OVERCOAT", ctx->databuf + ctx->datalen+2, 14)) {
memcpy(buf, ctx->databuf + ctx->datalen + 32, 8);
matte = atoi(buf);
}
if(!memcmp("CNTRL MULTICUT", ctx->databuf + ctx->datalen+2, 14)) {
memcpy(buf, ctx->databuf + ctx->datalen + 32, 8);
multicut = atoi(buf);
}
if(!memcmp("IMAGE YPLANE", ctx->databuf + ctx->datalen + 2, 12)) {
uint32_t x_ppm; /* Pixels Per Meter */
memcpy(&x_ppm, ctx->databuf + ctx->datalen + 32 + 42, sizeof(x_ppm));
x_ppm = le32_to_cpu(x_ppm);
switch (x_ppm) {
case 11808:
dpi = 300;
break;
case 23615:
dpi = 600;
break;
default:
WARNING("Unrecognized resolution (%d ppm), assuming 300dpi\n", x_ppm);
dpi = 300;
break;
}
}
/* This is the last block.. */
if(!memcmp("CNTRL START", ctx->databuf + ctx->datalen + 2, 11))
run = 0;
/* Add in the size of this chunk */
ctx->datalen += sizeof(struct dnpds40_cmd) + j;
}
/* Figure out the number of buffers we need. Most only need one. */
ctx->buf_needed = 1;
if (dpi == 600) {
if (ctx->type == P_DNP_DS80) { /* DS80/CX-W */
if (matte && (multicut == 21 || // A4 length
multicut == 20 || // 8x4*3
multicut == 19 || // 8x8+8x4
multicut == 15 || // 8x6*2
multicut == 7)) // 8x12
ctx->buf_needed = 2;
} else { /* DS40/CX/CY/etc */
if (multicut == 4 || // 6x8
multicut == 5 || // 6x9
multicut == 12) // 6x4*2
ctx->buf_needed = 2;
else if (matte && multicut == 3) // 5x7
ctx->buf_needed = 2;
}
}
if (!multicut)
/* If we are missing a multicut command, we can't parse this
job properly. */
return CUPS_BACKEND_CANCEL;
ctx->multicut = multicut;
/* Special case: switching to matte or back needs both buffers */
if ((int)matte != ctx->last_matte)
ctx->buf_needed = 2;
DEBUG("dpi %u matte %u(%u) mcut %u bufs %d\n",
dpi, matte, ctx->last_matte, multicut, ctx->buf_needed);
/* Track if our last print was matte */
ctx->last_matte = (int)matte;
if (!ctx->datalen)
return CUPS_BACKEND_CANCEL;
return CUPS_BACKEND_OK;
}
static int dnpds40_main_loop(void *vctx, int copies) {
struct dnpds40_ctx *ctx = vctx;
int ret;
struct dnpds40_cmd cmd;
uint8_t *resp = NULL;
int len = 0;
uint8_t *ptr;
char buf[9];
if (!ctx)
return CUPS_BACKEND_FAILED;
/* Parse job to figure out quantity offset. */
if (copies > 1 && ctx->qty_offset) {
snprintf(buf, sizeof(buf), "%07d\r", copies);
memcpy(ctx->qty_offset, buf, 8);
// XXX should we set/reset BUFFCNTRL?
// XXX should we verify we have sufficient media for prints?
}
/* Query Media Info */
dnpds40_build_cmd(&cmd, "INFO", "MEDIA", 0);
resp = dnpds40_resp_cmd(ctx, &cmd, &len);
if (!resp)
return CUPS_BACKEND_FAILED;
dnpds40_cleanup_string((char*)resp, len);
/* Sanity-check media type vs loaded media */
{
char tmp[4];
int i;
memcpy(tmp, resp + 4, 3);
tmp[3] = 0;
i = atoi(tmp);
/* Subtract out the "mark" type */
if (i & 1)
i--;
switch(i) {
case 200: //"5x3.5 (L)"
if (ctx->multicut != 1) {
ERROR("Incorrect media for job loaded (%d)\n", i);
return CUPS_BACKEND_CANCEL;
}
break;
case 210: //"5x7 (2L)"
if (ctx->multicut != 1 && ctx->multicut != 3) {
ERROR("Incorrect media for job loaded (%d)\n", i);
return CUPS_BACKEND_CANCEL;
}
break;
case 300: //"6x4 (PC)"
if (ctx->multicut != 2 && ctx->multicut != 4 && ctx->multicut != 5) {
ERROR("Incorrect media for job loaded (%d)\n", i);
return CUPS_BACKEND_CANCEL;
}
break;
case 310: //"6x8 (A5)"
if (ctx->multicut != 4 && ctx->multicut != 5) {
ERROR("Incorrect media for job loaded (%d)\n", i);
return CUPS_BACKEND_CANCEL;
}
break;
case 400: //"6x9 (A5W)"
if (ctx->multicut != 5) {
ERROR("Incorrect media for job loaded (%d)\n", i);
return CUPS_BACKEND_CANCEL;
}
break;
case 500: //"8x10"
if (ctx->multicut < 6 ||
ctx->multicut == 7 || ctx->multicut == 15 ||
ctx->multicut >= 18 ) {
ERROR("Incorrect media for job loaded (%d)\n", i);
return CUPS_BACKEND_CANCEL;
}
case 510: //"8x12"
if (ctx->multicut < 6 || ctx->multicut > 21) {
ERROR("Incorrect media for job loaded (%d)\n", i);
return CUPS_BACKEND_CANCEL;
}
break;
default:
ERROR("Unknown media (%d)!\n", i);
return CUPS_BACKEND_CANCEL;
}
}
// XXX check firmware version and a few other things
// eg RX1 doesn't handle 6x9 media/prints, only DS80 handles 8" prints
// 2x6 on RX1 requires FW1.10 or newer
// 2x6 on DS40 requires FW1.40 or newer
top:
if (resp) free(resp);
/* Query status */
dnpds40_build_cmd(&cmd, "STATUS", "", 0);
resp = dnpds40_resp_cmd(ctx, &cmd, &len);
if (!resp)
return CUPS_BACKEND_FAILED;
dnpds40_cleanup_string((char*)resp, len);
/* If we're not idle */
if (strcmp("00000", (char*)resp)) {
if (!strcmp("00001", (char*)resp)) {
int buf;
free(resp);
/* Query buffer state */
dnpds40_build_cmd(&cmd, "INFO", "FREE_PBUFFER", 0);
resp = dnpds40_resp_cmd(ctx, &cmd, &len);
if (!resp)
return CUPS_BACKEND_FAILED;
dnpds40_cleanup_string((char*)resp, len);
/* Check to see if we have sufficient buffers */
buf = atoi(((char*)resp)+3);
if (buf < ctx->buf_needed) {
INFO("Insufficient printer buffers (%d vs %d), retrying...\n", buf, ctx->buf_needed);
sleep(1);
goto top;
}
} else if (!strcmp("00500", (char*)resp) ||
!strcmp("00510", (char*)resp)) {
INFO("Printer cooling down...\n");
sleep(1);
goto top;
} else if (!strcmp("01500", (char*)resp)) {
ERROR("Paper definition error, aborting job\n");
return CUPS_BACKEND_CANCEL;
} else if (!strcmp("01600", (char*)resp)) {
ERROR("Data error, aborting job\n");
return CUPS_BACKEND_CANCEL;
} else {
ERROR("Printer Status: %s => %s\n", (char*)resp, dnpds40_statuses((char*)resp));
free(resp);
return CUPS_BACKEND_RETRY_CURRENT;
}
}
/* Send the stream over as individual data chunks */
ptr = ctx->databuf;
while(ptr && ptr < (ctx->databuf + ctx->datalen)) {
int i;
buf[8] = 0;
memcpy(buf, ptr + 24, 8);
i = atoi(buf) + 32;
if ((ret = send_data(ctx->dev, ctx->endp_down,
ptr, i)))
return CUPS_BACKEND_FAILED;
ptr += i;
}
/* This printer handles copies internally */
if (ctx->qty_offset)
copies = 1;
/* Clean up */
if (terminate)
copies = 1;
INFO("Print complete (%d copies remaining)\n", copies - 1);
if (copies && --copies) {
goto top;
}
if (resp) free(resp);
return CUPS_BACKEND_OK;
}
static int dnpds40_get_info(struct dnpds40_ctx *ctx)
{
struct dnpds40_cmd cmd;
uint8_t *resp;
int len = 0;
/* Get Serial Number */
dnpds40_build_cmd(&cmd, "INFO", "SERIAL_NUMBER", 0);
resp = dnpds40_resp_cmd(ctx, &cmd, &len);
if (!resp)
return CUPS_BACKEND_FAILED;
dnpds40_cleanup_string((char*)resp, len);
INFO("Serial Number: '%s'\n", (char*)resp);
free(resp);
/* Get Firmware Version */
dnpds40_build_cmd(&cmd, "INFO", "FVER", 0);
resp = dnpds40_resp_cmd(ctx, &cmd, &len);
if (!resp)
return CUPS_BACKEND_FAILED;
dnpds40_cleanup_string((char*)resp, len);
INFO("Firmware Version: '%s'\n", (char*)resp);
free(resp);
/* Get Sensor Info */
dnpds40_build_cmd(&cmd, "INFO", "SENSOR", 0);
resp = dnpds40_resp_cmd(ctx, &cmd, &len);
if (!resp)
return CUPS_BACKEND_FAILED;
dnpds40_cleanup_string((char*)resp, len);
INFO("Sensor Info: '%s'\n", (char*)resp);
// XXX parse this out. Each token is 'XXX-###' delimited by '; '
free(resp);
/* Get Qty of prints made on this media? */
dnpds40_build_cmd(&cmd, "INFO", "PQTY", 0);
resp = dnpds40_resp_cmd(ctx, &cmd, &len);
if (!resp)
return CUPS_BACKEND_FAILED;
dnpds40_cleanup_string((char*)resp, len);
INFO("Prints Performed(?): '%s'\n", (char*)resp + 4);
free(resp);
/* Get Horizonal resolution */
dnpds40_build_cmd(&cmd, "INFO", "RESOLUTION_H", 0);
resp = dnpds40_resp_cmd(ctx, &cmd, &len);
if (!resp)
return CUPS_BACKEND_FAILED;
dnpds40_cleanup_string((char*)resp, len);
INFO("Horizontal Resolution: '%s' dpi\n", (char*)resp + 3);
free(resp);
/* Get Vertical resolution */
dnpds40_build_cmd(&cmd, "INFO", "RESOLUTION_V", 0);
resp = dnpds40_resp_cmd(ctx, &cmd, &len);
if (!resp)
return CUPS_BACKEND_FAILED;
dnpds40_cleanup_string((char*)resp, len);
INFO("Vertical Resolution: '%s' dpi\n", (char*)resp + 3);
free(resp);
/* Get Media Color offset */
dnpds40_build_cmd(&cmd, "INFO", "MCOLOR", 0);
resp = dnpds40_resp_cmd(ctx, &cmd, &len);
if (!resp)
return CUPS_BACKEND_FAILED;
dnpds40_cleanup_string((char*)resp, len);
INFO("Media Color Offset: '%02x%02x%02x%02x'\n", *(resp+2), *(resp+3),
*(resp+4), *(resp+5));
free(resp);
/* Get Media Lot */
dnpds40_build_cmd(&cmd, "INFO", "MLOT", 0);
resp = dnpds40_resp_cmd(ctx, &cmd, &len);
if (!resp)
return CUPS_BACKEND_FAILED;
dnpds40_cleanup_string((char*)resp, len);
INFO("Media Lot Code: '%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x'\n",
*(resp+2), *(resp+3), *(resp+4), *(resp+5), *(resp+6), *(resp+7),
*(resp+8), *(resp+9), *(resp+10), *(resp+11), *(resp+12), *(resp+13));
free(resp);
/* Get Media ID Set (?) */
dnpds40_build_cmd(&cmd, "MNT_RD", "MEDIA_ID_SET", 0);
resp = dnpds40_resp_cmd(ctx, &cmd, &len);
if (!resp)
return CUPS_BACKEND_FAILED;
dnpds40_cleanup_string((char*)resp, len);
INFO("Media ID(?): '%s'\n", (char*)resp+4);
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 CUPS_BACKEND_FAILED;
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 CUPS_BACKEND_FAILED;
dnpds40_cleanup_string((char*)resp, len);
INFO("Color Data Checksum: '%s'\n", (char*)resp);
free(resp);
return CUPS_BACKEND_OK;
}
static int dnpds40_get_status(struct dnpds40_ctx *ctx)
{
struct dnpds40_cmd cmd;
uint8_t *resp;
int len = 0;
/* Generate command */
dnpds40_build_cmd(&cmd, "STATUS", "", 0);
resp = dnpds40_resp_cmd(ctx, &cmd, &len);
if (!resp)
return CUPS_BACKEND_FAILED;
dnpds40_cleanup_string((char*)resp, len);
INFO("Printer Status: %s => %s\n", (char*)resp, dnpds40_statuses((char*)resp));
free(resp);
/* Generate command */
dnpds40_build_cmd(&cmd, "INFO", "FREE_PBUFFER", 0);
resp = dnpds40_resp_cmd(ctx, &cmd, &len);
if (!resp)
return CUPS_BACKEND_FAILED;
dnpds40_cleanup_string((char*)resp, len);
INFO("Free Buffers: '%s'\n", (char*)resp + 3);
free(resp);
/* Get Media Info */
dnpds40_build_cmd(&cmd, "INFO", "MEDIA", 0);
resp = dnpds40_resp_cmd(ctx, &cmd, &len);
if (!resp)
return CUPS_BACKEND_FAILED;
dnpds40_cleanup_string((char*)resp, len);
INFO("Media Type: '%s'\n", dnpds40_media_types((char*)resp));
#if 0
switch (*(resp+3)) {
case '1':
INFO(" Stickier paper\n");
break;
case '0':
INFO(" Standard paper\n");
break;
default:
INFO(" Unknown paper(%c)\n", *(resp+4));
break;
}
switch (*(resp+6)) {
case '1':
INFO(" With mark\n");
break;
case '0':
INFO(" Without mark\n");
break;
default:
INFO(" Unknown mark(%c)\n", *(resp+7));
break;
}
#endif
free(resp);
/* Get Media remaining */
dnpds40_build_cmd(&cmd, "INFO", "MQTY", 0);
resp = dnpds40_resp_cmd(ctx, &cmd, &len);
if (!resp)
return CUPS_BACKEND_FAILED;
dnpds40_cleanup_string((char*)resp, len);
INFO("Prints Remaining: '%s'\n", (char*)resp + 4);
free(resp);
return 0;
}
static int dnpds40_get_counters(struct dnpds40_ctx *ctx)
{
struct dnpds40_cmd cmd;
uint8_t *resp;
int len = 0;
/* Generate command */
dnpds40_build_cmd(&cmd, "MNT_RD", "COUNTER_LIFE", 0);
resp = dnpds40_resp_cmd(ctx, &cmd, &len);
if (!resp)
return CUPS_BACKEND_FAILED;
dnpds40_cleanup_string((char*)resp, len);
INFO("Lifetime Counter: '%s'\n", (char*)resp+2);
free(resp);
/* Generate command */
dnpds40_build_cmd(&cmd, "MNT_RD", "COUNTER_A", 0);
resp = dnpds40_resp_cmd(ctx, &cmd, &len);
if (!resp)
return CUPS_BACKEND_FAILED;
dnpds40_cleanup_string((char*)resp, len);
INFO("A Counter: '%s'\n", (char*)resp+2);
free(resp);
/* Generate command */
dnpds40_build_cmd(&cmd, "MNT_RD", "COUNTER_B", 0);
resp = dnpds40_resp_cmd(ctx, &cmd, &len);
if (!resp)
return CUPS_BACKEND_FAILED;
dnpds40_cleanup_string((char*)resp, len);
INFO("B Counter: '%s'\n", (char*)resp+2);
free(resp);
/* Generate command */
dnpds40_build_cmd(&cmd, "MNT_RD", "COUNTER_P", 0);
resp = dnpds40_resp_cmd(ctx, &cmd, &len);
if (!resp)
return CUPS_BACKEND_FAILED;
dnpds40_cleanup_string((char*)resp, len);
INFO("P Counter: '%s'\n", (char*)resp+2);
free(resp);
/* Generate command */
dnpds40_build_cmd(&cmd, "MNT_RD", "COUNTER_M", 0);
resp = dnpds40_resp_cmd(ctx, &cmd, &len);
if (!resp)
return CUPS_BACKEND_FAILED;
dnpds40_cleanup_string((char*)resp, len);
INFO("M Counter: '%s'\n", (char*)resp+2);
free(resp);
/* Generate command */
dnpds40_build_cmd(&cmd, "MNT_RD", "COUNTER_MATTE", 0);
resp = dnpds40_resp_cmd(ctx, &cmd, &len);
if (!resp)
return CUPS_BACKEND_FAILED;
dnpds40_cleanup_string((char*)resp, len);
INFO("Matte Counter: '%s'\n", (char*)resp+4);
free(resp);
return CUPS_BACKEND_OK;
}
static int dnpds40_clear_counter(struct dnpds40_ctx *ctx, char counter)
{
struct dnpds40_cmd cmd;
char msg[4];
int ret;
/* Generate command */
dnpds40_build_cmd(&cmd, "MNT_WT", "COUNTER_CLEAR", 4);
msg[0] = 'C';
msg[1] = counter;
msg[2] = 0x0d; /* ie carriage return, ASCII '\r' */
msg[3] = 0x00;
if ((ret = dnpds40_do_cmd(ctx, &cmd, (uint8_t*)msg, 4)))
return ret;
return 0;
}
static int dnpds40_set_counter_p(struct dnpds40_ctx *ctx, char *arg)
{
struct dnpds40_cmd cmd;
char msg[9];
int i = atoi(arg);
int ret;
/* Generate command */
dnpds40_build_cmd(&cmd, "MNT_WT", "COUNTERP_SET", 8);
snprintf(msg, sizeof(msg), "%08d", i);
if ((ret = dnpds40_do_cmd(ctx, &cmd, (uint8_t*)msg, 8)))
return ret;
return 0;
}
static void dnpds40_cmdline(void)
{
DEBUG("\t\t[ -i ] # Query printer info\n");
DEBUG("\t\t[ -s ] # Query status\n");
DEBUG("\t\t[ -n ] # Query counters\n");
DEBUG("\t\t[ -N A|B|M ] # Clear counter A/B/M\n");
DEBUG("\t\t[ -p num ] # Set counter P\n");
}
static int dnpds40_cmdline_arg(void *vctx, int argc, char **argv)
{
struct dnpds40_ctx *ctx = vctx;
int i, j = 0;
/* Reset arg parsing */
optind = 1;
opterr = 0;
while ((i = getopt(argc, argv, "inN:p:s")) >= 0) {
switch(i) {
case 'i':
if (ctx) {
j = dnpds40_get_info(ctx);
break;
}
return 1;
case 'n':
if (ctx) {
j = dnpds40_get_counters(ctx);
break;
}
return 1;
case 'N':
if (optarg[0] != 'A' &&
optarg[0] != 'B' &&
optarg[0] != 'M')
return CUPS_BACKEND_FAILED;
if (ctx) {
j = dnpds40_clear_counter(ctx, optarg[0]);
break;
}
return 1;
case 'p':
if (ctx) {
j = dnpds40_set_counter_p(ctx, optarg);
break;
}
return 1;
case 's':
if (ctx) {
j = dnpds40_get_status(ctx);
break;
}
return 1;
default:
break; /* Ignore completely */
}
if (j) return j;
}
return 0;
}
/* Exported */
struct dyesub_backend dnpds40_backend = {
.name = "DNP DS40/DS80/DSRX1",
.version = "0.35",
.uri_prefix = "dnpds40",
.cmdline_usage = dnpds40_cmdline,
.cmdline_arg = dnpds40_cmdline_arg,
.init = dnpds40_init,
.attach = dnpds40_attach,
.teardown = dnpds40_teardown,
.read_parse = dnpds40_read_parse,
.main_loop = dnpds40_main_loop,
.query_serno = dnpds40_query_serno,
.devices = {
{ USB_VID_DNP, USB_PID_DNP_DS40, P_DNP_DS40, ""},
{ USB_VID_DNP, USB_PID_DNP_DS80, P_DNP_DS80, ""},
{ USB_VID_DNP, USB_PID_DNP_DSRX1, P_DNP_DS40, ""},
// { USB_VID_CITIZEN, USB_PID_CITIZEN_CW-02, P_DNP_DS40, ""},
// { USB_VID_CITIZEN, USB_PID_CITIZEN_OP900II, P_DNP_DS40, ""},
{ 0, 0, 0, ""}
}
};
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