3 #include <msp/core/systemerror.h>
4 #include <msp/strings/format.h>
5 #include "handle_private.h"
7 #include "serial_private.h"
14 void Serial::platform_init(const string &port)
17 if(fn.compare(0, 5, "/dev/"))
20 *handle = open(fn.c_str(), O_RDWR);
22 throw system_error(format("open(%s)", port));
23 mode = M_READ|M_WRITE;
26 tcgetattr(*handle, &t);
27 t.c_iflag &= ~(ISTRIP|INLCR|IGNCR|ICRNL|IXON);
28 t.c_lflag &= ~(ECHO|ICANON|ISIG|IEXTEN);
29 t.c_oflag &= ~(OPOST|OCRNL|ONOCR|ONLRET);
32 tcsetattr(*handle, TCSADRAIN, &t);
36 void Serial::DeviceState::get_from(const Handle &h)
38 tcgetattr(*h, &state);
41 void Serial::DeviceState::apply_to(const Handle &h)
43 if(tcsetattr(*h, TCSADRAIN, &state)==-1)
44 throw system_error("tcsetattr");
47 void Serial::DeviceState::set_baud_rate(unsigned baud)
52 case 0: speed = B0; break;
53 case 50: speed = B50; break;
54 case 75: speed = B75; break;
55 case 110: speed = B110; break;
56 case 134: speed = B134; break;
57 case 150: speed = B150; break;
58 case 200: speed = B200; break;
59 case 300: speed = B300; break;
60 case 600: speed = B600; break;
61 case 1200: speed = B1200; break;
62 case 1800: speed = B1800; break;
63 case 2400: speed = B2400; break;
64 case 4800: speed = B4800; break;
65 case 9600: speed = B9600; break;
66 case 19200: speed = B19200; break;
67 case 38400: speed = B38400; break;
68 case 57600: speed = B57600; break;
69 case 115200: speed = B115200; break;
70 case 230400: speed = B230400; break;
71 case 460800: speed = B460800; break;
72 case 500000: speed = B500000; break;
73 case 576000: speed = B576000; break;
74 case 921600: speed = B921600; break;
75 case 1000000: speed = B1000000; break;
76 case 1152000: speed = B1152000; break;
77 case 1500000: speed = B1500000; break;
78 case 2000000: speed = B2000000; break;
79 case 2500000: speed = B2500000; break;
80 case 3000000: speed = B3000000; break;
81 case 3500000: speed = B3500000; break;
82 case 4000000: speed = B4000000; break;
83 default: throw invalid_argument("set_baud_rate");
86 cfsetospeed(&state, speed);
87 cfsetispeed(&state, speed);
90 void Serial::DeviceState::set_data_bits(unsigned bits)
95 case 5: flag = CS5; break;
96 case 6: flag = CS6; break;
97 case 7: flag = CS7; break;
98 case 8: flag = CS8; break;
99 default: throw invalid_argument("set_data_bits");
102 state.c_cflag = (state.c_cflag&~CSIZE)|flag;
105 void Serial::DeviceState::set_parity(Serial::Parity par)
110 case Serial::NONE: flag = 0; break;
111 case Serial::EVEN: flag = PARENB; break;
112 case Serial::ODD: flag = PARENB|PARODD; break;
113 default: throw invalid_argument("set_parity");
116 state.c_cflag = (state.c_cflag&~(PARENB|PARODD))|flag;
119 void Serial::DeviceState::set_stop_bits(unsigned bits)
124 case 1: flag = 0; break;
125 case 2: flag = CSTOPB; break;
126 default: throw invalid_argument("set_stop_bits");
129 state.c_cflag = (state.c_cflag&~CSTOPB)|flag;