39 lines
1.0 KiB
Plaintext
39 lines
1.0 KiB
Plaintext
//
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// ASSerial.m
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// AVRsack
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//
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// Created by Matthias Neeracher on 12/15/14.
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// Copyright © 2014 Aere Perennius. All rights reserved.
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//
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#import "ASSerial.h"
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#include <dispatch/dispatch.h>
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static dispatch_source_t watchSlashDev;
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NSString * kASSerialPortsChanged = @"PortsChanged";
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@implementation ASSerial
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+ (void)initialize {
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int fd = open("/dev", O_EVTONLY);
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watchSlashDev =
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dispatch_source_create(DISPATCH_SOURCE_TYPE_VNODE, fd, DISPATCH_VNODE_WRITE, dispatch_get_main_queue());
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dispatch_source_set_event_handler(watchSlashDev, ^{
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[[NSNotificationCenter defaultCenter] postNotificationName:kASSerialPortsChanged object: nil];
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});
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dispatch_resume(watchSlashDev);
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}
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+ (NSArray *)ports {
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NSMutableArray * cuPorts = [NSMutableArray array];
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for (NSString * port in [[NSFileManager defaultManager] contentsOfDirectoryAtPath:@"/dev" error: nil]) {
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if ([[port substringToIndex:2] isEqualToString:@"cu"])
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[cuPorts addObject:[@"/dev/" stringByAppendingString:port]];
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}
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return cuPorts;
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}
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@end
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