66 lines
1.7 KiB
C
66 lines
1.7 KiB
C
/*
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* cons_help.h
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*
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* Created on: Nov 6, 2024
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* Author: true
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*/
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#ifndef USER_SHELL_COMMANDS_HELP_H_
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#define USER_SHELL_COMMANDS_HELP_H_
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void cons_help_real(int argc, char **argv, command_table_t *p)
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{
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int i;
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if (argc < 2) {
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// print help list
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if ((shell_flags & 0x02) == 0) {
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CONS_PRINT("Tip: You only need to use the first two characters ");
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CONS_PRINT("of a command.\r\n\r\n");
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shell_flags |= 0x02;
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}
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while (p->cmd != 0) {
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if (strlen(p->desc)) {
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strcpy( console_line, "* ");
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strncat(console_line, p->cmd, 12);
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for (i = strlen(console_line); i <= 12; i++) {
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console_line[i] = 0x20;
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}
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console_line[i] = 0x00;
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strncat(console_line, p->desc, 77);
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strncat(console_line, "\r\n", 79);
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console_line[63] = 0;
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CONS_PRINT(console_line);
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}
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p++;
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}
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} else {
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while (p->cmd != 0) {
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// calling the callback with argc/argv set to 0 should instruct it to print help/usage
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if (strcmp(argv[1], p->cmd) == 0) {
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p->go(0, (char **)0);
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return;
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}
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p++;
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}
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// looks like the command wasn't found
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strcpy( console_line, "* no help found for command called '");
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strncat(console_line, argv[1], 60);
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strncat(console_line, "'\r\n", 62);
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CONS_PRINT(console_line);
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}
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}
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void cons_help(int argc, char **argv)
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{
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cons_help_real(argc, argv, (command_table_t *)console_cmdlist);
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}
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#endif /* USER_SHELL_COMMANDS_HELP_H_ */
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