質問編集履歴
1
fd = openの位置を修正
test
CHANGED
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File without changes
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test
CHANGED
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@@ -46,6 +46,22 @@
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46
46
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47
47
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int fd;
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48
48
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49
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+
fd = open(SERIAL_PORT, O_RDWR);
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50
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+
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51
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if(fd<0){
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52
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53
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printf("open error");
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54
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55
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}
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56
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+
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57
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ioctl(fd, TCGETS, &oldtio);
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58
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59
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newtio = oldtio;
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60
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+
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61
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newtio.c_cflag = BAUDRATE | CRTSCTS | CS8 | CLOCAL | CREAD;
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62
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63
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ioctl(fd, TCSETS, &newtio);
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64
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49
65
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while(1){
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50
66
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51
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char command[4];
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@@ -68,21 +84,7 @@
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85
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70
86
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71
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-
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87
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+
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72
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-
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73
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-
if(fd<0){
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74
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-
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75
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-
printf("open error");
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76
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-
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77
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-
}
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78
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-
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79
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-
ioctl(fd, TCGETS, &oldtio);
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80
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-
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81
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-
newtio = oldtio;
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82
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-
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83
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-
newtio.c_cflag = BAUDRATE | CRTSCTS | CS8 | CLOCAL | CREAD;
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84
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-
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85
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-
ioctl(fd, TCSETS, &newtio);
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86
88
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87
89
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write(fd, txData, BUFSIZE-1);
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88
90
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