67 lines
1.3 KiB
C
67 lines
1.3 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <stdarg.h>
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#include <string.h>
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#include <errno.h>
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#include <tabby/link.h>
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#include <tabby/printer.h>
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static void usage(int argc, char **argv, char *message, ...) {
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if (message) {
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va_list args;
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va_start(args, message);
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vfprintf(stderr, message, args);
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fprintf(stderr, "\n");
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va_end(args);
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}
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fprintf(stderr, "usage: %s device\n", argv[0]);
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exit(1);
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}
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int main(int argc, char **argv) {
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int fd, status;
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tabby_printer_packet_header header;
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tabby_printer_packet_footer footer;
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uint8_t body[TABBY_PRINTER_MAX_PACKET_SIZE];
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if (argc != 2) {
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usage(argc, argv, "No device specified");
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}
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if ((fd = tabby_link_open(argv[1])) < 0) {
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fprintf(stderr, "%s: %s: %s: %s\n", argv[0], "tabby_link_open()",
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argv[1], strerror(errno));
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goto error_link_open;
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}
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while (1) {
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status = tabby_printer_packet_recv(fd, &header, &body, &footer);
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if (status < 0) {
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fprintf(stderr, "%s: %s: %s\n",
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argv[0], "tabby_printer_packet_recv()", strerror(errno));
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continue;
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}
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fprintf(stderr, "Got a packet\n");
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}
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tabby_link_close(fd);
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return 0;
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error_link_send:
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tabby_link_close(fd);
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error_link_open:
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return 1;
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}
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