// Main function
int main(int argc, char const *argv[]) {
char input[MAX_LINE]; // input string
char **cmd_argv; // parsed arguments
int cmd_argc; // arguments number
bool cmd_found; // flag to indicate if command is found
// Print initial help message
cmd_help.execute(1,&(cmd_help.cmd));
update_current_dir();
// Main superloop
while(true) {
// Read command from input stream
printf("[%s]%c ", current_dir, INVITE_CHAR);
gets(input);
// Parse input stream
cmd_argv = parse(input, ARG_SEPARATOR, &cmd_argc);
remove_empty_or_whitespace(&cmd_argv, &cmd_argc);
if (cmd_argc == 0) continue;
// Search for appropriate built-in command and execute it
cmd_found = false;
for (int i = 0; i < commands_count; ++i) {
if (strcmp(cmd_argv[0],commands[i]->cmd) == 0) {
cmd_found = true;
commands[i]->execute(cmd_argc, cmd_argv);
break;
}
}
// Search for appropriate executable file and execute it
if (!cmd_found) {
if (is_exe_file(cmd_argv[0])) {
cmd_found = true;
execute_file(cmd_argc, cmd_argv);
}
}
// Error message, if command not found
if (!cmd_found) {
fprintf(stderr, "Error: \"%s\" command not found!\n", cmd_argv[0]);
}
// Release resources
free_strs(cmd_argv, cmd_argc);
}
return EXIT_SUCCESS;
}
void display_service(void) {
if (menustate == MENU_NONE) {
/* No menu active, upload+run system menu */
uint8_t i;
/* Dummy read to reset the interrupt line */
i2c_read_register(DISPLAY_I2C_ADDR, DISPLAY_MENU_GETSELECTION);
display_menu_reset();
i = 0;
while (pgm_read_byte(systemmenu+i)) {
ustrcpy_P(displaybuffer, systemmenu+i);
display_menu_add(displaybuffer);
i += ustrlen(displaybuffer)+1;
}
display_menu_show(0);
menustate = MENU_SYSTEM;
} else if (menustate == MENU_SYSTEM) {
/* Selection on the system menu */
uint8_t sel = i2c_read_register(DISPLAY_I2C_ADDR, DISPLAY_MENU_GETSELECTION);
switch (sel) {
case SYSMENU_CHDIR:
menu_chdir();
break;
case SYSMENU_CHADDR:
menu_chaddr();
break;
case SYSMENU_STORE:
menustate = MENU_NONE;
write_configuration();
break;
case SYSMENU_CANCEL:
menustate = MENU_NONE;
return;
}
} else if (menustate == MENU_CHADDR) {
/* New address selected */
uint8_t sel = i2c_read_register(DISPLAY_I2C_ADDR, DISPLAY_MENU_GETSELECTION);
device_address = sel+4;
menustate = MENU_NONE;
display_address(device_address);
} else if (menustate == MENU_CHDIR) {
/* New directory selected */
uint8_t sel = i2c_read_register(DISPLAY_I2C_ADDR, DISPLAY_MENU_GETSELECTION);
path_t path;
cbmdirent_t dent;
menustate = MENU_NONE;
if (sel == 0)
/* Cancel */
return;
/* Read directory name into displaybuffer */
path.part = current_part;
path.dir = partition[current_part].current_dir;
if (sel == 1) {
/* Previous directory */
dent.name[0] = '_';
dent.name[1] = 0;
} else {
i2c_read_registers(DISPLAY_I2C_ADDR, DISPLAY_MENU_GETENTRY, sizeof(displaybuffer), displaybuffer);
if (first_match(&path, displaybuffer, FLAG_HIDDEN, &dent))
return;
}
chdir(&path, &dent);
update_current_dir(&path);
}
}