// run the menu
void
Menu::run(void)
{
if (_port == NULL) {
// default to main serial port
_port = hal.console;
}
_allocate_buffers();
_display_prompt();
// loop performing commands
for (;;) {
// run the pre-prompt function, if one is defined
if (_ppfunc) {
if (!_ppfunc())
return;
_display_prompt();
}
// loop reading characters from the input
_input_len = 0;
for (;; ) {
if (_check_for_input()) {
break;
}
hal.scheduler->delay(20);
}
// we have a full command to run
if (_run_command(false)) break;
_display_prompt();
}
}
// run the menu
void
Menu::run(void)
{
int8_t ret;
uint8_t len, i;
uint8_t argc;
int c;
char *s;
if (_port == NULL) {
// default to main serial port
_port = &Serial;
}
// loop performing commands
for (;; ) {
// run the pre-prompt function, if one is defined
if ((NULL != _ppfunc) && !_ppfunc())
return;
// loop reading characters from the input
len = 0;
_port->printf_P(PSTR("%S] "), FPSTR(_prompt));
for (;; ) {
c = _port->read();
if (-1 == c)
continue;
// carriage return -> process command
if ('\r' == c) {
_inbuf[len] = '\0';
_port->write('\r');
_port->write('\n');
break;
}
// backspace
if ('\b' == c) {
if (len > 0) {
len--;
_port->write('\b');
_port->write(' ');
_port->write('\b');
continue;
}
}
// printable character
if (isprint(c) && (len < (MENU_COMMANDLINE_MAX - 1))) {
_inbuf[len++] = c;
_port->write((char)c);
continue;
}
}
// split the input line into tokens
argc = 0;
_argv[argc++].str = strtok_r(_inbuf, " ", &s);
// XXX should an empty line by itself back out of the current menu?
while (argc <= MENU_ARGS_MAX) {
_argv[argc].str = strtok_r(NULL, " ", &s);
if ('\0' == _argv[argc].str)
break;
_argv[argc].i = atol(_argv[argc].str);
_argv[argc].f = atof(_argv[argc].str); // calls strtod, > 700B !
argc++;
}
if (_argv[0].str == NULL) {
continue;
}
// populate arguments that have not been specified with "" and 0
// this is safer than NULL in the case where commands may look
// without testing argc
i = argc;
while (i <= MENU_ARGS_MAX) {
_argv[i].str = "";
_argv[i].i = 0;
_argv[i].f = 0;
i++;
}
bool cmd_found = false;
// look for a command matching the first word (note that it may be empty)
for (i = 0; i < _entries; i++) {
if (!strcasecmp_P(_argv[0].str, _commands[i].command)) {
ret = _call(i, argc);
cmd_found=true;
if (-2 == ret)
return;
break;
}
}
// implicit commands
if (i == _entries) {
if (!strcmp(_argv[0].str, "?") || (!strcasecmp_P(_argv[0].str, PSTR("help")))) {
_help();
cmd_found=true;
} else if (!strcasecmp_P(_argv[0].str, PSTR("exit"))) {
return;
}
}
if (cmd_found==false)
{
_port->println_P(PSTR("Invalid command, type 'help'"));
}
}
}
// run the menu
void
Menu::run(void)
{
uint8_t len, i, ret;
uint8_t argc;
int c;
char *s;
// loop performing commands
for (;;) {
// run the pre-prompt function, if one is defined
if ((NULL != _ppfunc) && !_ppfunc())
return;
// loop reading characters from the input
len = 0;
Serial.printf("%S] ", _prompt);
for (;;) {
c = Serial.read();
if (-1 == c)
continue;
// carriage return -> process command
if ('\r' == c) {
_inbuf[len] = '\0';
Serial.write('\r');
Serial.write('\n');
break;
}
// backspace
if ('\b' == c) {
if (len > 0) {
len--;
Serial.write('\b');
Serial.write(' ');
Serial.write('\b');
continue;
}
}
// printable character
if (isprint(c) && (len < (MENU_COMMANDLINE_MAX - 1))) {
_inbuf[len++] = c;
Serial.write((char)c);
continue;
}
}
// split the input line into tokens
argc = 0;
_argv[argc++].str = strtok_r(_inbuf, " ", &s);
// XXX should an empty line by itself back out of the current menu?
while (argc <= MENU_ARGS_MAX) {
_argv[argc].str = strtok_r(NULL, " ", &s);
if ('\0' == _argv[argc].str)
break;
_argv[argc].i = atol(_argv[argc].str);
_argv[argc].f = atof(_argv[argc].str); // calls strtod, > 700B !
argc++;
}
// look for a command matching the first word (note that it may be empty)
for (i = 0; i < _entries; i++) {
if (!strcasecmp_P(_argv[0].str, _commands[i].command)) {
ret = _call(i, argc);
if (-2 == ret)
return;
break;
}
}
// implicit commands
if (i == _entries) {
if (!strcmp(_argv[0].str, "?") || (!strcasecmp_P(_argv[0].str, PSTR("help")))) {
_help();
} else if (!strcasecmp_P(_argv[0].str, PSTR("exit"))) {
return;
}
}
}
}