diff options
Diffstat (limited to 'src/ql.c')
| -rw-r--r-- | src/ql.c | 475 |
1 files changed, 233 insertions, 242 deletions
@@ -12,10 +12,9 @@ #include <stdlib.h> #include <string.h> -struct ql_ctx -{ - char *printer; - int fd; +struct ql_ctx { + char *printer; + int fd; }; #define ESC 0x1b @@ -26,308 +25,300 @@ struct ql_ctx ssize_t retry_write(int fd, const char *buf, size_t len) { - size_t written = 0; - while (written != len) - { - ssize_t n = write(fd, buf + written, len - written); - if (n == -1) - { - if (errno == EAGAIN || errno == EINTR) - continue; - else - break; - } - else - written += n; - } - return written; + size_t written = 0; + while (written != len) { + ssize_t n = write(fd, buf + written, len - written); + if (n == -1) { + if (errno == EAGAIN || errno == EINTR) + continue; + else + break; + } else + written += n; + } + return written; } - ql_ctx_t ql_open(const char *printer) { - int fd = open(printer, O_RDWR); - if (fd < 0) - return NULL; + int fd = open(printer, O_RDWR); + if (fd < 0) + return NULL; - ql_ctx_t ctx = malloc(sizeof(struct ql_ctx)); - if (!ctx) - return NULL; - ctx->printer = strdup(printer); - ctx->fd = fd; + ql_ctx_t ctx = malloc(sizeof(struct ql_ctx)); + if (!ctx) + return NULL; + ctx->printer = strdup(printer); + ctx->fd = fd; - const char clear[200] = { 0, }; - (void)full_write(fd, clear); // recommended to clear old/errored jobs + const char clear[200] = { 0, }; + (void)full_write(fd, clear); // recommended to clear old/errored jobs - return ctx; + return ctx; } void ql_close(ql_ctx_t ctx) { - free(ctx->printer); - close(ctx->fd); - free(ctx); + free(ctx->printer); + close(ctx->fd); + free(ctx); } bool ql_init(ql_ctx_t ctx) { - const char init[] = { ESC, '@' }; - return full_write(ctx->fd, init); + const char init[] = { ESC, '@' }; + return full_write(ctx->fd, init); } - bool ql_request_status(ql_ctx_t ctx) { - const char status_req[] = { ESC, 'i', 'S' }; - return full_write(ctx->fd, status_req); + const char status_req[] = { ESC, 'i', 'S' }; + return full_write(ctx->fd, status_req); } - -bool ql_read_status(ql_ctx_t ctx, ql_status_t *status) +bool ql_read_status(ql_ctx_t ctx, ql_status_t * status) { - for (int i = 0; i < NUM_STATUS_READ_RETRIES; ++i) - { - int ret = read(ctx->fd, status, sizeof(*status)); - if (ret == 32) - return true; - else if ( (ret == 0) // "no data yet, too bad we just eof'd your fd, sucker" - || (ret == -1 && errno == EBADF)) // in case we messed up, somehow - { - close(ctx->fd); - ctx->fd = open(ctx->printer, O_RDWR); - if (ctx->fd < 0) - return false; - } - else if (ret == -1 && (errno != EAGAIN || errno != EINTR)) - return false; // non-recoverable - } - errno = ETIME; - return false; + for (int i = 0; i < NUM_STATUS_READ_RETRIES; ++i) { + int ret = read(ctx->fd, status, sizeof(*status)); + if (ret == 32) + return true; + else if ((ret == 0) // "no data yet, too bad we just eof'd your fd, sucker" + || (ret == -1 && errno == EBADF)) // in case we messed up, somehow + { + close(ctx->fd); + ctx->fd = open(ctx->printer, O_RDWR); + if (ctx->fd < 0) + return false; + } else if (ret == -1 && (errno != EAGAIN || errno != EINTR)) + return false; // non-recoverable + } + errno = ETIME; + return false; } - bool ql_set_mode(ql_ctx_t ctx, unsigned mode) { - char cmd[] = { ESC, 'i', 'M', mode }; - return full_write(ctx->fd, cmd); + char cmd[] = { ESC, 'i', 'M', mode }; + return full_write(ctx->fd, cmd); } - bool ql_set_expanded_mode(ql_ctx_t ctx, unsigned mode) { - char cmd[] = { ESC, 'i', 'K', mode }; - return full_write(ctx->fd, cmd); + char cmd[] = { ESC, 'i', 'K', mode }; + return full_write(ctx->fd, cmd); } - bool ql_set_autocut_every_n(ql_ctx_t ctx, uint8_t n) { - char cmd[] = { ESC, 'i', 'A', n }; - return full_write(ctx->fd, cmd); + char cmd[] = { ESC, 'i', 'A', n }; + return full_write(ctx->fd, cmd); } - bool ql_set_margin(ql_ctx_t ctx, uint16_t dots) { - char cmd[] = { ESC, 'i', 'd', dots & 0xff, dots >> 8}; - return full_write(ctx->fd, cmd); + char cmd[] = { ESC, 'i', 'd', dots & 0xff, dots >> 8 }; + return full_write(ctx->fd, cmd); } - -bool ql_needs_mode_switch(const ql_status_t *status) +bool ql_needs_mode_switch(const ql_status_t * status) { - switch(status->model_code) - { - case '3': case '4': - case 'P': case 'Q': - return true; - default: break; - } - return false; + switch (status->model_code) { + case '3': + case '4': + case 'P': + case 'Q': + return true; + default: + break; + } + return false; } - bool ql_switch_to_raster_mode(ql_ctx_t ctx) { - #define MODE_ESC_P 0 - #define MODE_RASTER 1 - #define MODE_P_TOUCH_TEMPLATE 3 - char cmd[] = { ESC, 'i', 'a', MODE_RASTER }; - return full_write(ctx->fd, cmd); +#define MODE_ESC_P 0 +#define MODE_RASTER 1 +#define MODE_P_TOUCH_TEMPLATE 3 + char cmd[] = { ESC, 'i', 'a', MODE_RASTER }; + return full_write(ctx->fd, cmd); } - -static void pack_column(uint8_t *out, uint16_t bytes, uint16_t colno, const ql_raster_image_t *img, uint8_t black_below_v) +static void pack_column(uint8_t * out, uint16_t bytes, uint16_t colno, + const ql_raster_image_t * img, uint8_t black_below_v) { - for (unsigned n = 0; n < bytes; ++n, ++out) - { - *out = 0; - for (unsigned i = 0; i < 8; ++i) - { - unsigned img_row = n * 8 + i; - if (img_row < img->height) - if (img->data[img_row * img->width + colno] < black_below_v) - *out |= 1 << (7 - i); - } -//for(int i = 7; i >= 0; --i) fprintf(stderr, "%c", (*out & (1<<i)) ? '#' : '.'); - } -//fprintf(stderr,"\n"); + for (unsigned n = 0; n < bytes; ++n, ++out) { + *out = 0; + for (unsigned i = 0; i < 8; ++i) { + unsigned img_row = n * 8 + i; + if (img_row < img->height) + if (img->data[img_row * img->width + colno] < black_below_v) + *out |= 1 << (7 - i); + } + //for(int i = 7; i >= 0; --i) fprintf(stderr, "%c", (*out & (1<<i)) ? '#' : '.'); + } + //fprintf(stderr,"\n"); } - -bool ql_print_raster_image(ql_ctx_t ctx, const ql_status_t *status, const ql_raster_image_t *img, const ql_print_cfg_t *cfg) +bool ql_print_raster_image(ql_ctx_t ctx, const ql_status_t * status, + const ql_raster_image_t * img, const ql_print_cfg_t * cfg) { - unsigned dn = 90; // default raster transmission block size (720 pixels) - if (status->model_code == 'P' || status->model_code == '4') - dn = 162; // 1296 pixels - - if (img->height > dn * 8) - return false; // image too wide for printer - - char print_info[] = { ESC, 'i', 'z', - cfg->flags | 0x80, - (cfg->flags & QL_PRINT_CFG_MEDIA_TYPE) ? cfg->media_type : 0, - (cfg->flags & QL_PRINT_CFG_MEDIA_WIDTH) ? cfg->media_width : 0, - (cfg->flags & QL_PRINT_CFG_MEDIA_LENGTH) ? cfg->media_length : 0, - img->width & 0xff, img->width >> 8, 0, 0, - cfg->first_page ? 0 : 1, 0 }; - if (!full_write(ctx->fd, print_info)) - return false; - - for (unsigned w = 0; w < img->width; ++w) - { - char block[dn + 3]; - block[0] = 'g'; block[1] = 0; block[2] = dn; - pack_column((uint8_t *)block+3, dn, w, img, cfg->threshold); - if (!full_write(ctx->fd, block)) - return false; - } - - char done[] = { 0x1a }; // print with feeding - return full_write(ctx->fd, done); + unsigned dn = 90; // default raster transmission block size (720 pixels) + if (status->model_code == 'P' || status->model_code == '4') + dn = 162; // 1296 pixels + + if (img->height > dn * 8) + return false; // image too wide for printer + + char print_info[] = { ESC, 'i', 'z', + cfg->flags | 0x80, + (cfg->flags & QL_PRINT_CFG_MEDIA_TYPE) ? cfg->media_type : 0, + (cfg->flags & QL_PRINT_CFG_MEDIA_WIDTH) ? cfg->media_width : 0, + (cfg->flags & QL_PRINT_CFG_MEDIA_LENGTH) ? cfg->media_length : 0, + img->width & 0xff, img->width >> 8, 0, 0, + cfg->first_page ? 0 : 1, 0 + }; + if (!full_write(ctx->fd, print_info)) + return false; + + for (unsigned w = 0; w < img->width; ++w) { + char block[dn + 3]; + block[0] = 'g'; + block[1] = 0; + block[2] = dn; + pack_column((uint8_t *) block + 3, dn, w, img, cfg->threshold); + if (!full_write(ctx->fd, block)) + return false; + } + + char done[] = { 0x1a }; // print with feeding + return full_write(ctx->fd, done); } - -const char *ql_decode_model(const ql_status_t *status) +const char *ql_decode_model(const ql_status_t * status) { - switch(status->model_code) - { - case '1': return "QL-560"; - case '2': return "QL-570"; - case '3': return "QL-580N"; - case '4': return "QL-1060N"; - case '5': return "QL-700"; - case '6': return "QL-710W"; - case '7': return "QL-720NW"; - case 'O': return "QL-500/550"; - case 'P': return "QL-1050"; - case 'Q': return "QL-650TD"; - default: - { - static char buf[] = "unrecognised (type code 0x$$)"; - char *q = strchr(buf, '$'); - sprintf(q, "%02hhx)", status->model_code); - return buf; - } - } + switch (status->model_code) { + case '1': + return "QL-560"; + case '2': + return "QL-570"; + case '3': + return "QL-580N"; + case '4': + return "QL-1060N"; + case '5': + return "QL-700"; + case '6': + return "QL-710W"; + case '7': + return "QL-720NW"; + case 'O': + return "QL-500/550"; + case 'P': + return "QL-1050"; + case 'Q': + return "QL-650TD"; + default: + { + static char buf[] = "unrecognised (type code 0x$$)"; + char *q = strchr(buf, '$'); + sprintf(q, "%02hhx)", status->model_code); + return buf; + } + } } -const char *ql_decode_mode(const ql_status_t *status) +const char *ql_decode_mode(const ql_status_t * status) { - if (status->mode & QL_MODE_AUTOCUT) - return "auto-cut"; - else - return "no-auto-cut"; + if (status->mode & QL_MODE_AUTOCUT) + return "auto-cut"; + else + return "no-auto-cut"; } -const char *ql_decode_errors(const ql_status_t *status) +const char *ql_decode_errors(const ql_status_t * status) { - typedef struct { - uint16_t bit; - const char *str; - } strmap_t; - - #define ERR1(x) (x << 0) - #define ERR2(x) (x << 8) - const strmap_t strmap[] = { - { ERR1(QL_ERR_1_NO_MEDIA), "no-media " }, - { ERR1(QL_ERR_1_END_OF_MEDIA), "end-of-media " }, - { ERR1(QL_ERR_1_CUTTER_JAM), "cutter-jam " }, - { ERR1(QL_ERR_1_PRINTER_IN_USE), "printer-in-use " }, - { ERR1(QL_ERR_1_PRINTER_TURNED_OFF), "printer-turned-off " }, - { ERR1(QL_ERR_1_HIGH_VOLTAGE_ADAPTER), "high-voltage-adapter " }, - { ERR1(QL_ERR_1_FAN_MOTOR_ERROR), "fan-motor-error " }, - - { ERR2(QL_ERR_2_REPLACE_MEDIA), "replace-media " }, - { ERR2(QL_ERR_2_EXPANSION_BUFFER_FULL), "expansion-buffer-full " }, - { ERR2(QL_ERR_2_COMMUNICATION_ERROR), "communication-error " }, - { ERR2(QL_ERR_2_COMMUNICATION_BUFFER_FULL), "communication-buffer-full " }, - { ERR2(QL_ERR_2_COVER_OPEN), "cover-open " }, - { ERR2(QL_ERR_2_CANCEL_KEY), "cancel-key-pressed " }, - { ERR2(QL_ERR_2_MEDIA_CANNOT_BE_FED), "media-cannot-be-fed " }, - { ERR2(QL_ERR_2_SYSTEM_ERROR), "system-error " } - }; - - static char *buf = 0; - if (!buf) - { - int len = 0; - for (unsigned i = 0; i < (sizeof(strmap)/sizeof(strmap[0])); ++i) - len += strlen(strmap[i].str); - buf = malloc(len + 1); - if (!buf) - return "<host-out-of-memory>"; - } - - uint16_t errs = ERR1(status->err_info_1) | ERR2(status->err_info_2); - buf[0] = 0; - for (unsigned i = 0; i < (sizeof(strmap)/sizeof(strmap[0])); ++i) - { - if (errs & strmap[i].bit) - strcat(buf, strmap[i].str); - } - return (buf[0] == 0) ? "none" : buf; + typedef struct { + uint16_t bit; + const char *str; + } strmap_t; + +#define ERR1(x) (x << 0) +#define ERR2(x) (x << 8) + const strmap_t strmap[] = { + {ERR1(QL_ERR_1_NO_MEDIA), "no-media "}, + {ERR1(QL_ERR_1_END_OF_MEDIA), "end-of-media "}, + {ERR1(QL_ERR_1_CUTTER_JAM), "cutter-jam "}, + {ERR1(QL_ERR_1_PRINTER_IN_USE), "printer-in-use "}, + {ERR1(QL_ERR_1_PRINTER_TURNED_OFF), "printer-turned-off "}, + {ERR1(QL_ERR_1_HIGH_VOLTAGE_ADAPTER), "high-voltage-adapter "}, + {ERR1(QL_ERR_1_FAN_MOTOR_ERROR), "fan-motor-error "}, + + {ERR2(QL_ERR_2_REPLACE_MEDIA), "replace-media "}, + {ERR2(QL_ERR_2_EXPANSION_BUFFER_FULL), "expansion-buffer-full "}, + {ERR2(QL_ERR_2_COMMUNICATION_ERROR), "communication-error "}, + {ERR2(QL_ERR_2_COMMUNICATION_BUFFER_FULL), "communication-buffer-full "}, + {ERR2(QL_ERR_2_COVER_OPEN), "cover-open "}, + {ERR2(QL_ERR_2_CANCEL_KEY), "cancel-key-pressed "}, + {ERR2(QL_ERR_2_MEDIA_CANNOT_BE_FED), "media-cannot-be-fed "}, + {ERR2(QL_ERR_2_SYSTEM_ERROR), "system-error "} + }; + + static char *buf = 0; + if (!buf) { + int len = 0; + for (unsigned i = 0; i < (sizeof(strmap) / sizeof(strmap[0])); ++i) + len += strlen(strmap[i].str); + buf = malloc(len + 1); + if (!buf) + return "<host-out-of-memory>"; + } + + uint16_t errs = ERR1(status->err_info_1) | ERR2(status->err_info_2); + buf[0] = 0; + for (unsigned i = 0; i < (sizeof(strmap) / sizeof(strmap[0])); ++i) { + if (errs & strmap[i].bit) + strcat(buf, strmap[i].str); + } + return (buf[0] == 0) ? "none" : buf; } -const char *ql_decode_media_type(const ql_status_t *status) +const char *ql_decode_media_type(const ql_status_t * status) { - switch(status->media_type) - { - case QL_MEDIA_TYPE_NO_MEDIA: return "no-media"; - case QL_MEDIA_TYPE_CONTINUOUS: - case QL_MEDIA_TYPE_CONTINUOUS_ALT: - return "continuous-length-tape"; - case QL_MEDIA_TYPE_DIECUT_LABELS: - case QL_MEDIA_TYPE_DIECUT_LABELS_ALT: - return "die-cut-labels"; - default: { - static char buf[] = "unknown (code 0x$$)"; - char *q = strchr(buf, '$'); - sprintf(q, "%02hhx)", status->media_type); - return buf; - } - } + switch (status->media_type) { + case QL_MEDIA_TYPE_NO_MEDIA: + return "no-media"; + case QL_MEDIA_TYPE_CONTINUOUS: + case QL_MEDIA_TYPE_CONTINUOUS_ALT: + return "continuous-length-tape"; + case QL_MEDIA_TYPE_DIECUT_LABELS: + case QL_MEDIA_TYPE_DIECUT_LABELS_ALT: + return "die-cut-labels"; + default:{ + static char buf[] = "unknown (code 0x$$)"; + char *q = strchr(buf, '$'); + sprintf(q, "%02hhx)", status->media_type); + return buf; + } + } } -void ql_decode_print_status(FILE *f, const ql_status_t *status, unsigned flags) +void ql_decode_print_status(FILE * f, const ql_status_t * status, unsigned flags) { - if (!status) - return; - - const char *fmt_s = "%17s: %s\n"; - const char *fmt_u = "%17s: %u\n"; - if (flags & QL_DECODE_MODEL) - fprintf(f, fmt_s, "Printer", ql_decode_model(status)); - if (flags & QL_DECODE_MODE) - fprintf(f, fmt_s, "Mode", ql_decode_mode(status)); - if (flags & QL_DECODE_ERROR) - fprintf(f, fmt_s, "Errors", ql_decode_errors(status)); - if (flags & QL_DECODE_MEDIA) - { - fprintf(f, fmt_s, "Media type", ql_decode_media_type(status)); - fprintf(f, fmt_u, "Media width (mm)", status->media_width_mm); - if (status->media_type != QL_MEDIA_TYPE_CONTINUOUS) - fprintf(f, fmt_u, "Media length (mm)", status->media_length_mm); - } + if (!status) + return; + + const char *fmt_s = "%17s: %s\n"; + const char *fmt_u = "%17s: %u\n"; + if (flags & QL_DECODE_MODEL) + fprintf(f, fmt_s, "Printer", ql_decode_model(status)); + if (flags & QL_DECODE_MODE) + fprintf(f, fmt_s, "Mode", ql_decode_mode(status)); + if (flags & QL_DECODE_ERROR) + fprintf(f, fmt_s, "Errors", ql_decode_errors(status)); + if (flags & QL_DECODE_MEDIA) { + fprintf(f, fmt_s, "Media type", ql_decode_media_type(status)); + fprintf(f, fmt_u, "Media width (mm)", status->media_width_mm); + if (status->media_type != QL_MEDIA_TYPE_CONTINUOUS) + fprintf(f, fmt_u, "Media length (mm)", status->media_length_mm); + } } - |