selphy_print/shinko_s2145_print.c

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/*
* Shinko/Sinfonia CHC-S2145 CUPS backend -- libusb-1.0 version
*
* (c) 2013 Solomon Peachy <pizza@shaftnet.org>
*
* Development of this backend was sponsored by:
*
* LiveLink Technology [ www.livelinktechnology.net ]
*
* The latest version of this program can be found at:
*
* http://git.shaftnet.org/git/gitweb.cgi?p=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"
enum {
S_IDLE = 0,
S_PRINTER_READY_CMD,
S_PRINTER_SENT_DATA,
S_FINISHED,
};
/* Structure of printjob header. All fields are LITTLE ENDIAN */
struct s2145_printjob_hdr {
uint32_t len1; /* Fixed at 0x10 */
uint32_t model; /* Fixed at '2145' (decimal) */
uint32_t unk2;
uint32_t unk3;
uint32_t len2; /* Fixed at 0x64 */
uint32_t unk5;
uint32_t media;
uint32_t unk6;
uint32_t method;
uint32_t mode;
uint32_t unk7;
uint32_t unk8;
uint32_t unk9;
uint32_t columns;
uint32_t rows;
uint32_t copies;
uint32_t unk10;
uint32_t unk11;
uint32_t unk12;
uint32_t unk13;
uint32_t unk14;
uint32_t unk15;
uint32_t dpi; /* Fixed at '300' (decimal) */
uint32_t unk16;
uint32_t unk17;
uint32_t unk18;
uint32_t unk19;
uint32_t unk20;
uint32_t unk21;
} __attribute__((packed));
/* Private data stucture */
struct shinkos2145_ctx {
struct libusb_device_handle *dev;
uint8_t endp_up;
uint8_t endp_down;
uint8_t jobid;
struct s2145_printjob_hdr hdr;
uint8_t *databuf;
int datalen;
};
/* Structs for printer */
struct s2145_cmd_hdr {
uint16_t cmd;
uint16_t len; /* Not including this header */
} __attribute__((packed));
#define S2145_CMD_STATUS 0x0001
#define S2145_CMD_MEDIAINFO 0x0002
#define S2145_CMD_MODELNAME 0x0003
#define S2145_CMD_ERRORLOG 0x0004
#define S2145_CMD_PRINTJOB 0x4001
#define S2145_CMD_CANCELJOB 0x4002
#define S2145_CMD_FLASHLED 0x4003
#define S2145_CMD_RESET 0x4004
#define S2145_CMD_READTONE 0x4005
#define S2145_CMD_BUTTON 0x4006
#define S2145_CMD_GETUNIQUE 0x8003
#define S2145_CMD_FWINFO 0xC003
#define S2145_CMD_UPDATE 0xC004
#define S2145_CMD_SETUNIQUE 0xC007
static char *cmd_names(uint16_t v) {
switch (le16_to_cpu(v)) {
case S2145_CMD_STATUS:
return "Get Status";
case S2145_CMD_MEDIAINFO:
return "Get Media Info";
case S2145_CMD_MODELNAME:
return "Get Model Name";
case S2145_CMD_ERRORLOG:
return "Get Error Log";
case S2145_CMD_PRINTJOB:
return "Print";
case S2145_CMD_CANCELJOB:
return "Cancel Print";
case S2145_CMD_FLASHLED:
return "Flash LEDs";
case S2145_CMD_RESET:
return "Reset";
case S2145_CMD_READTONE:
return "Read Tone Curve";
case S2145_CMD_BUTTON:
return "Button Enable";
case S2145_CMD_GETUNIQUE:
return "Get Unique String";
case S2145_CMD_FWINFO:
return "Get Firmware Info";
case S2145_CMD_UPDATE:
return "Update";
case S2145_CMD_SETUNIQUE:
return "Set Unique String";
default:
return "Unknown Command";
}
};
struct s2145_print_cmd {
struct s2145_cmd_hdr hdr;
uint8_t id;
uint16_t count;
uint16_t columns;
uint16_t rows;
uint8_t media;
uint8_t mode;
uint8_t method;
} __attribute__((packed));
#define PRINT_MEDIA_4x6 0x00
#define PRINT_MEDIA_5x3_5 0x01
#define PRINT_MEDIA_5x7 0x03
#define PRINT_MEDIA_6x9 0x05
#define PRINT_MEDIA_6x8 0x06
#define PRINT_MEDIA_2x6 0x07
static char *print_medias (uint8_t v) {
switch (v) {
case PRINT_MEDIA_4x6:
return "4x6";
case PRINT_MEDIA_5x3_5:
return "5x3.5";
case PRINT_MEDIA_5x7:
return "5x7";
case PRINT_MEDIA_6x9:
return "6x9";
case PRINT_MEDIA_6x8:
return "6x8";
case PRINT_MEDIA_2x6:
return "2x6";
default:
return "Unknown";
}
}
#define PRINT_MODE_DEFAULT 0x01
#define PRINT_MODE_STD_GLOSSY 0x02
#define PRINT_MODE_FINE_GLOSSY 0x03
#define PRINT_MODE_STD_MATTE 0x04
#define PRINT_MODE_FINE_MATTE 0x05
#define PRINT_MODE_STD_EGLOSSY 0x06
#define PRINT_MODE_FINE_EGLOSSY 0x07
#if 0
static char *print_modes(uint8_t v) {
switch (v) {
case PRINT_MODE_DEFAULT:
return "Default";
case PRINT_MODE_STD_GLOSSY:
return "Std Glossy";
case PRINT_MODE_FINE_GLOSSY:
return "Fine Glossy";
case PRINT_MODE_STD_MATTE:
return "Std Matte";
case PRINT_MODE_FINE_MATTE:
return "Fine Matte";
case PRINT_MODE_STD_EGLOSSY:
return "Std ExGlossy";
case PRINT_MODE_FINE_EGLOSSY:
return "Fine ExGlossy";
default:
return "Unknown";
}
}
#endif
#define PRINT_METHOD_STD 0x00
#define PRINT_METHOD_4x6_2UP 0x02
#define PRINT_METHOD_2x6_2UP 0x04
static char *print_methods (uint8_t v) {
switch (v) {
case PRINT_METHOD_STD:
return "Standard";
case PRINT_METHOD_4x6_2UP:
return "4x6 2up";
case PRINT_METHOD_2x6_2UP:
return "2x6 2up";
default:
return "Unknown";
}
}
struct s2145_cancel_cmd {
struct s2145_cmd_hdr hdr;
uint8_t id;
} __attribute__((packed));
struct s2145_reset_cmd {
struct s2145_cmd_hdr hdr;
uint8_t target;
} __attribute__((packed));
#define RESET_PRINTER 0x03
#define RESET_USER_CURVE 0x04
struct s2145_readtone_cmd {
struct s2145_cmd_hdr hdr;
uint8_t curveid;
} __attribute__((packed));
struct s2145_button_cmd {
struct s2145_cmd_hdr hdr;
uint8_t enabled;
} __attribute__((packed));
#define BUTTON_ENABLED 0x01
#define BUTTON_DISABLED 0x00
struct s2145_fwinfo_cmd {
struct s2145_cmd_hdr hdr;
uint8_t target;
} __attribute__((packed));
#define FWINFO_TARGET_MAIN_BOOT 0x01
#define FWINFO_TARGET_MAIN_APP 0x02
#define FWINFO_TARGET_DSP_BOOT 0x03
#define FWINFO_TARGET_DSP_APP 0x04
#define FWINFO_TARGET_USB_BOOT 0x05
#define FWINFO_TARGET_USB_APP 0x06
#define FWINFO_TARGET_TABLES 0x07
static char *fwinfo_targets (uint8_t v) {
switch (v) {
case FWINFO_TARGET_MAIN_BOOT:
return "Main Boot";
case FWINFO_TARGET_MAIN_APP:
return "Main App ";
case FWINFO_TARGET_DSP_BOOT:
return "DSP Boot ";
case FWINFO_TARGET_DSP_APP:
return "DSP App ";
case FWINFO_TARGET_USB_BOOT:
return "USB Boot ";
case FWINFO_TARGET_USB_APP:
return "USB App ";
case FWINFO_TARGET_TABLES:
return "Tables ";
default:
return "Unknown ";
}
}
struct s2145_update_cmd {
struct s2145_cmd_hdr hdr;
uint8_t target;
uint32_t reserved;
uint32_t size;
} __attribute__((packed));
#define UPDATE_TARGET_USER 0x03
#define UPDATE_TARGET_CURRENT 0x04
static char *update_targets (uint8_t v) {
switch (v) {
case UPDATE_TARGET_USER:
return "User";
case UPDATE_TARGET_CURRENT:
return "Current";
default:
return "Unknown";
}
}
#define UPDATE_SIZE 0x600
/* Update is three channels, Y, M, C;
each is 256 entries of 11-bit data padded to 16-bits.
Printer expects LE data. We use BE data on disk.
*/
struct s2145_setunique_cmd {
struct s2145_cmd_hdr hdr;
uint8_t len;
uint8_t data[23]; /* Not necessarily all used. */
} __attribute__((packed));
struct s2145_status_hdr {
uint8_t result;
uint8_t error;
uint8_t printer_major;
uint8_t printer_minor;
uint8_t reserved[3];
uint8_t status;
uint16_t payload_len;
} __attribute__((packed));
#define RESULT_SUCCESS 0x01
#define RESULT_FAIL 0x02
#define ERROR_NONE 0x00
#define ERROR_INVALID_PARAM 0x01
#define ERROR_MAIN_APP_INACTIVE 0x02
#define ERROR_COMMS_TIMEOUT 0x03
#define ERROR_MAINT_NEEDED 0x04
#define ERROR_BAD_COMMAND 0x05
#define ERROR_PRINTER 0x11
#define ERROR_BUFFER_FULL 0x21
static char *error_str(uint8_t v) {
switch (v) {
case ERROR_NONE:
return "None";
case ERROR_INVALID_PARAM:
return "Invalid Command Parameter";
case ERROR_MAIN_APP_INACTIVE:
return "Main App Inactive";
case ERROR_COMMS_TIMEOUT:
return "Main Communication Timeout";
case ERROR_MAINT_NEEDED:
return "Maintainence Needed";
case ERROR_BAD_COMMAND:
return "Inappropriate Command";
case ERROR_PRINTER:
return "Printer Error";
case ERROR_BUFFER_FULL:
return "Buffer Full";
default:
return "Unknown";
}
}
/* XXX observed major/minor error codes:
0x01/0x16 @ 77845 [maybe paper out?]
0x06/0x0b @ 77822, 70053
0x05/0x64 @ 76034
0x05/0x61 @ 76034, 75420
0x05/0x62 @ 76034
0x05/0x4e @ 69824, 69820, 69781
Unfortunately I have no idea what these refer to.
major (0x01/5/6) may refer to above error codes or media/print modes.
minor (0x61/62/64) may refer to equivalent status codes (see below)
*/
#define STATUS_READY 0x00
#define STATUS_INIT_CPU 0x31
#define STATUS_INIT_RIBBON 0x32
#define STATUS_INIT_PAPER 0x33
#define STATUS_THERMAL_PROTECT 0x34
#define STATUS_USING_PANEL 0x35
#define STATUS_SELF_DIAG 0x36
#define STATUS_DOWNLOADING 0x37
#define STATUS_FEEDING_PAPER 0x61
#define STATUS_PRE_HEAT 0x62
#define STATUS_PRINT_Y 0x63
#define STATUS_BACK_FEED_Y 0x64
#define STATUS_PRINT_M 0x65
#define STATUS_BACK_FEED_M 0x66
#define STATUS_PRINT_C 0x67
#define STATUS_BACK_FEED_C 0x68
#define STATUS_PRINT_OP 0x69
#define STATUS_PAPER_CUT 0x6A
#define STATUS_PAPER_EJECT 0x6B
#define STATUS_BACK_FEED_E 0x6C
#define STATUS_FINISHED 0x6D
static char *status_str(uint8_t v) {
switch (v) {
case STATUS_READY:
return "Ready";
case STATUS_INIT_CPU:
return "Initializing CPU";
case STATUS_INIT_RIBBON:
return "Initializing Ribbon";
case STATUS_INIT_PAPER:
return "Loading Paper";
case STATUS_THERMAL_PROTECT:
return "Thermal Protection";
case STATUS_USING_PANEL:
return "Using Operation Panel";
case STATUS_SELF_DIAG:
return "Processing Self Diagnosis";
case STATUS_DOWNLOADING:
return "Processing Download";
case STATUS_FEEDING_PAPER:
return "Feeding Paper";
case STATUS_PRE_HEAT:
return "Pre-Heating";
case STATUS_PRINT_Y:
return "Printing Yellow";
case STATUS_BACK_FEED_Y:
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return "Back-Feeding - Yellow Complete";
case STATUS_PRINT_M:
return "Printing Magenta";
case STATUS_BACK_FEED_M:
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return "Back-Feeding - Magenta Complete";
case STATUS_PRINT_C:
return "Printing Cyan";
case STATUS_BACK_FEED_C:
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return "Back-Feeding - Cyan Complete";
case STATUS_PRINT_OP:
return "Laminating";
case STATUS_PAPER_CUT:
return "Cutting Paper";
case STATUS_PAPER_EJECT:
return "Ejecting Paper";
case STATUS_BACK_FEED_E:
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return "Back-Feeding - Ejected";
case STATUS_FINISHED:
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return "Print Finished";
default:
return "Unknown";
}
}
struct s2145_status_resp {
struct s2145_status_hdr hdr;
uint32_t count_lifetime;
uint32_t count_maint;
uint32_t count_paper;
uint32_t count_cutter;
uint32_t count_head;
uint32_t count_ribbon_left;
uint8_t bank1_printid;
uint8_t bank2_printid;
uint16_t bank1_remaining;
uint16_t bank1_finished;
uint16_t bank1_specified;
uint8_t bank1_status;
uint16_t bank2_remaining;
uint16_t bank2_finished;
uint16_t bank2_specified;
uint8_t bank2_status;
uint8_t tonecurve_status;
} __attribute__((packed));
#define BANK_STATUS_FREE 0x00
#define BANK_STATUS_XFER 0x01
#define BANK_STATUS_FULL 0x02
static char *bank_statuses(uint8_t v)
{
switch (v) {
case 0:
return "Free";
case 1:
return "Xfer";
case 2:
return "Full";
default:
return "Unknown";
}
}
#define TONECURVE_INIT 0x00
#define TONECURVE_USER 0x01
#define TONECURVE_CURRENT 0x02
static char *tonecurve_statuses (uint8_t v)
{
switch(v) {
case 0:
return "Initial";
case 1:
return "UserSet";
case 2:
return "Current";
default:
return "Unknown";
}
}
struct s2145_readtone_resp {
struct s2145_status_hdr hdr;
uint16_t total_size;
} __attribute__((packed));
struct s2145_mediainfo_item {
uint8_t code;
uint16_t columns;
uint16_t rows;
uint8_t media_type;
uint8_t print_type;
uint8_t reserved[3];
} __attribute__((packed));
#define MEDIA_TYPE_UNKNOWN 0x00
#define MEDIA_TYPE_PAPER 0x01
static char *media_types(uint8_t v) {
switch (v) {
case MEDIA_TYPE_UNKNOWN:
return "Unknown";
case MEDIA_TYPE_PAPER:
return "Paper";
default:
return "Unknown";
}
}
struct s2145_mediainfo_resp {
struct s2145_status_hdr hdr;
uint8_t count;
struct s2145_mediainfo_item items[10]; /* Not all necessarily used */
} __attribute__((packed));
struct s2145_modelname_resp {
struct s2145_status_hdr hdr;
uint8_t vendor[4];
uint8_t product[4];
uint8_t modelname[40];
} __attribute__((packed));
struct s2145_error_item {
uint8_t major;
uint8_t minor;
uint32_t print_counter;
} __attribute__((packed));
struct s2145_errorlog_resp {
struct s2145_status_hdr hdr;
uint8_t count;
struct s2145_error_item items[10]; /* Not all necessarily used */
} __attribute__((packed));
struct s2145_fwinfo_resp {
struct s2145_status_hdr hdr;
uint8_t name[8];
uint8_t type[16];
uint8_t date[10];
uint8_t major;
uint8_t minor;
uint16_t checksum;
} __attribute__((packed));
struct s2145_getunique_resp {
struct s2145_status_hdr hdr;
uint8_t data[24]; /* Not necessarily all used. */
} __attribute__((packed));
#define READBACK_LEN 128 /* Needs to be larger than largest response hdr */
#define CMDBUF_LEN sizeof(struct s2145_print_cmd)
uint8_t rdbuf[READBACK_LEN];
static int s2145_do_cmd(libusb_device_handle *dev,
uint8_t endp_up, uint8_t endp_down,
uint8_t *cmd, int cmdlen, int minlen, int *num)
{
int ret;
struct s2145_status_hdr *resp = (struct s2145_status_hdr *) rdbuf;
if ((ret = send_data(dev, endp_down,
cmd, cmdlen)))
return -99;
ret = libusb_bulk_transfer(dev, endp_up,
rdbuf,
READBACK_LEN,
num,
5000);
if (ret < 0 || (*num < minlen)) {
ERROR("Failure to receive data from printer (libusb error %d: (%d/%d from 0x%02x))\n", ret, *num, minlen, endp_up);
return ret;
}
if (resp->result != RESULT_SUCCESS) {
INFO("Printer Status: %02x (%s)\n", resp->status,
status_str(resp->status));
INFO(" Result: 0x%02x Error: 0x%02x (0x%02x/0x%02x)\n",
resp->result, resp->error, resp->printer_major,
resp->printer_minor);
return -99;
}
return ret;
}
static int get_status(struct shinkos2145_ctx *ctx)
{
struct s2145_cmd_hdr cmd;
struct s2145_status_resp *resp = (struct s2145_status_resp *) rdbuf;
int ret, num = 0;
cmd.cmd = cpu_to_le16(S2145_CMD_STATUS);
cmd.len = cpu_to_le16(0);
if ((ret = s2145_do_cmd(ctx->dev, ctx->endp_up, ctx->endp_down,
(uint8_t*)&cmd, sizeof(cmd),
sizeof(*resp),
&num)) < 0) {
ERROR("Failed to execute %s command\n", cmd_names(cmd.cmd));
return ret;
}
INFO("Printer Status: 0x%02x (%s)\n", resp->hdr.status,
status_str(resp->hdr.status));
if (le16_to_cpu(resp->hdr.payload_len) != (sizeof(struct s2145_status_resp) - sizeof(struct s2145_status_hdr)))
return 0;
INFO(" Print Counts:\n");
INFO("\tSince Paper Changed:\t%08d\n", le32_to_cpu(resp->count_paper));
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INFO("\tLifetime:\t\t%08d\n", le32_to_cpu(resp->count_lifetime));
INFO("\tMaintainence:\t\t%08d\n", le32_to_cpu(resp->count_maint));
INFO("\tPrint Head:\t\t%08d\n", le32_to_cpu(resp->count_head));
INFO(" Cutter Actuations:\t%08d\n", le32_to_cpu(resp->count_cutter));
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INFO(" Ribbon Remaining:\t%08d\n", le32_to_cpu(resp->count_ribbon_left));
INFO("Bank 1: 0x%02x (%s) Job %03d @ %03d/%03d (%03d remaining)\n",
resp->bank1_status, bank_statuses(resp->bank1_status),
resp->bank1_printid,
le16_to_cpu(resp->bank1_finished),
le16_to_cpu(resp->bank1_specified),
le16_to_cpu(resp->bank1_remaining));
INFO("Bank 2: 0x%02x (%s) Job %03d @ %03d/%03d (%03d remaining)\n",
resp->bank2_status, bank_statuses(resp->bank1_status),
resp->bank2_printid,
le16_to_cpu(resp->bank2_finished),
le16_to_cpu(resp->bank2_specified),
le16_to_cpu(resp->bank2_remaining));
INFO("Tonecurve Status: 0x%02x (%s)\n", resp->tonecurve_status, tonecurve_statuses(resp->tonecurve_status));
return 0;
}
static int get_fwinfo(struct shinkos2145_ctx *ctx)
{
struct s2145_fwinfo_cmd cmd;
struct s2145_fwinfo_resp *resp = (struct s2145_fwinfo_resp *)rdbuf;
int ret, num = 0;
int i;
cmd.hdr.cmd = cpu_to_le16(S2145_CMD_FWINFO);
cmd.hdr.len = cpu_to_le16(1);
INFO("FW Information:\n");
for (i = FWINFO_TARGET_MAIN_BOOT ; i <= FWINFO_TARGET_TABLES ; i++) {
cmd.target = i;
if ((ret = s2145_do_cmd(ctx->dev, ctx->endp_up, ctx->endp_down,
(uint8_t*)&cmd, sizeof(cmd),
sizeof(*resp),
&num)) < 0) {
ERROR("Failed to execute %s command\n", cmd_names(cmd.hdr.cmd));
continue;
}
if (le16_to_cpu(resp->hdr.payload_len) != (sizeof(struct s2145_fwinfo_resp) - sizeof(struct s2145_status_hdr)))
continue;
INFO(" %s\t ver %02x.%02x\n", fwinfo_targets(i),
resp->major, resp->minor);
#if 0
INFO(" name: '%s'\n", resp->name);
INFO(" type: '%s'\n", resp->type);
INFO(" date: '%s'\n", resp->date);
INFO(" version: %02x.%02x (CRC %04x)\n", resp->major, resp->minor,
le16_to_cpu(resp->checksum));
#endif
}
return 0;
}
static int get_errorlog(struct shinkos2145_ctx *ctx)
{
struct s2145_cmd_hdr cmd;
struct s2145_errorlog_resp *resp = (struct s2145_errorlog_resp *) rdbuf;
int ret, num = 0;
int i;
cmd.cmd = cpu_to_le16(S2145_CMD_ERRORLOG);
cmd.len = cpu_to_le16(0);
if ((ret = s2145_do_cmd(ctx->dev, ctx->endp_up, ctx->endp_down,
(uint8_t*)&cmd, sizeof(cmd),
sizeof(*resp),
&num)) < 0) {
ERROR("Failed to execute %s command\n", cmd_names(cmd.cmd));
return ret;
}
if (le16_to_cpu(resp->hdr.payload_len) != (sizeof(struct s2145_errorlog_resp) - sizeof(struct s2145_status_hdr)))
return -2;
INFO("Stored Error Events: %d entries:\n", resp->count);
for (i = 0 ; i < resp->count ; i++) {
INFO(" %02d: 0x%02x/0x%02x @ %08d prints\n", i,
resp->items[i].major, resp->items[i].minor,
le32_to_cpu(resp->items[i].print_counter));
}
return 0;
}
static int get_mediainfo(struct shinkos2145_ctx *ctx)
{
struct s2145_cmd_hdr cmd;
struct s2145_mediainfo_resp *resp = (struct s2145_mediainfo_resp *) rdbuf;
int ret, num = 0;
int i;
cmd.cmd = cpu_to_le16(S2145_CMD_MEDIAINFO);
cmd.len = cpu_to_le16(0);
if ((ret = s2145_do_cmd(ctx->dev, ctx->endp_up, ctx->endp_down,
(uint8_t*)&cmd, sizeof(cmd),
sizeof(*resp),
&num)) < 0) {
ERROR("Failed to execute %s command\n", cmd_names(cmd.cmd));
return ret;
}
if (le16_to_cpu(resp->hdr.payload_len) != (sizeof(struct s2145_mediainfo_resp) - sizeof(struct s2145_status_hdr)))
return -2;
INFO("Supported Media Information: %d entries:\n", resp->count);
for (i = 0 ; i < resp->count ; i++) {
INFO(" %02d: C 0x%02x (%s), %04dx%04d, M 0x%02x (%s), P 0x%02x (%s)\n", i,
resp->items[i].code, print_medias(resp->items[i].code),
le16_to_cpu(resp->items[i].columns),
le16_to_cpu(resp->items[i].rows),
resp->items[i].media_type, media_types(resp->items[i].media_type),
resp->items[i].print_type, print_methods(resp->items[i].print_type));
}
return 0;
}
static int get_user_string(struct shinkos2145_ctx *ctx)
{
struct s2145_cmd_hdr cmd;
struct s2145_getunique_resp *resp = (struct s2145_getunique_resp*) rdbuf;
int ret, num = 0;
cmd.cmd = cpu_to_le16(S2145_CMD_GETUNIQUE);
cmd.len = cpu_to_le16(0);
if ((ret = s2145_do_cmd(ctx->dev, ctx->endp_up, ctx->endp_down,
(uint8_t*)&cmd, sizeof(cmd),
sizeof(*resp) - 1,
&num)) < 0) {
ERROR("Failed to execute %s command\n", cmd_names(cmd.cmd));
return ret;
}
/* Null-terminate */
resp->hdr.payload_len = le16_to_cpu(resp->hdr.payload_len);
if (resp->hdr.payload_len > 23)
resp->hdr.payload_len = 23;
resp->data[resp->hdr.payload_len] = 0;
INFO("Unique String: '%s'\n", resp->data);