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#include <stdlib.h>
#include <stdio.h>
#include <stdbool.h>
#include <stdarg.h>
#include <readline/readline.h>
#include <readline/history.h>
#include "rl.h"
#include "sock.h"
void rl_printf(const char *fmt, ...) {
// save line
char* saved_line = rl_copy_text(0, rl_end);
int saved_point = rl_point;
int saved_end = rl_end;
// clear line
rl_save_prompt();
rl_replace_line("", 0);
rl_redisplay();
// printf
va_list args;
va_start(args, fmt);
vprintf(fmt, args);
va_end(args);
// restore line
rl_restore_prompt();
rl_replace_line(saved_line, 0);
rl_point = saved_point;
rl_end = saved_end;
rl_redisplay();
free(saved_line);
}
void cmd_test() {
const char* data = "Hello world!";
i2c_send(0x39, (char*) data, strlen(data));
}
int cli_main() {
char* input = NULL;
while (1) {
if (input != NULL) free(input);
input = readline(CLI_PROMPT);
// exit on ^D or ^C (EOF)
if (input == NULL) return EXIT_SUCCESS;
// add non-empty line to history
if (*input) add_history(input);
if (strcmp(input, "exit") == 0) return EXIT_SUCCESS;
if (strcmp(input, "test") == 0) {
cmd_test();
continue;
}
printf("unknown command!\n");
}
return EXIT_SUCCESS;
}
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