11 #include "signal_exit.h"
13 // shit to avoid constant repetition
14 #define CONCAT_AGAIN(A,B) A ## B
15 #define CONCAT(A,B) CONCAT_AGAIN(A,B)
17 static int set_nonblock(int fd)
19 int flags = fcntl(fd, F_GETFL, 0);
21 perror("fcntl (get)");
24 if (fcntl(fd, F_SETFL, flags | O_NONBLOCK) == -1) {
25 perror("fcntl (set)");
28 fprintf(stderr, "set %d non-blocking\n", fd);
32 static int set_rts(int fd, int level)
36 if (ioctl(fd, TIOCMGET, &uart_status) == -1) {
37 perror("ioctl (TIOCMGET)");
42 uart_status |= TIOCM_RTS;
44 uart_status &= ~TIOCM_RTS;
47 if (ioctl(fd, TIOCMSET, &uart_status) == -1) {
52 fprintf(stderr, "set %d rts %d\n", fd, level);
57 static void set_baud_rate(int fd, int br) //TODO add some checking
59 struct termios options;
61 tcgetattr(fd, &options);
62 cfsetispeed(&options, br);
63 cfsetospeed(&options, br);
64 tcsetattr(fd, TCSANOW, &options);
67 static int tty_open(const char *port, int br)
70 int fd = open(port, O_RDONLY | O_NOCTTY);
75 fprintf(stderr, "opened %s as %d\n", port, fd);
79 set_rts(fd, 0); //disable
80 set_baud_rate(fd, br);
81 usleep(1200000); //value by d-logic
82 tcflush(fd, TCIFLUSH);
87 // really simple JSON helpers
88 #define JSON_START() dprintf(fd,"{")
89 #define JSON_NUM(NAME) dprintf(fd,"\"" #NAME "\":%d", NAME) //see the int?
90 #define JSON_NEXT() dprintf(fd,",")
91 #define JSON_STR(NAME) dprintf(fd,"\"" #NAME "\":\"%s\"", NAME)
92 #define JSON_END() dprintf(fd,"}\n")
94 // print complete json
95 #define JSON_PRINT() do { \
99 JSON_NUM(card_type); \
109 static void ufr_read(char *uid, int fd)
111 static char *type = "rfid";
115 uint8_t sak; //select acknowledge
116 uint8_t uid_bytes[10]; //uid as bytes
119 status = GetDlogicCardType(&card_type);
120 if (status != UFR_OK) {
121 fprintf(stderr, "GetDlogicCardType: %s\n", UFR_Status2String(status));
125 status = GetCardIdEx(&sak, uid_bytes, &size);
126 if (status != UFR_OK) {
127 fprintf(stderr, "GetCardIdEx: %s\n", UFR_Status2String(status));
134 ReaderUISignal(0, 1); // no light, one beep
138 #define UFR_ASYNC_SUFFIX 0 // keep it zero: separates uids, terminates strings
140 static void ufr_cb(EV_P_ ev_io *w_, int revents)
142 ev_io_ufr *w = (ev_io_ufr *)w_;
145 read(w->w.fd, &uid, 1);
148 if (uid == UFR_ASYNC_SUFFIX) {
149 //*(w->uid - 1) = 0; // no need if UFR_ASYNC_SUFFIX is 0
150 w->uid = w->uid_data;
151 ufr_read(w->uid, w->fd);
155 static int ufr_open(unsigned reader_type, char *port_name,
156 unsigned port_interface)
160 fprintf(stderr, "uFCoder version: %s\n", GetDllVersionStr());
162 status = ReaderOpenEx(reader_type, port_name, port_interface, 0);
163 if (status != UFR_OK) {
164 fprintf(stderr, "ReaderOpenEx: %s\n", UFR_Status2String(status));
168 fprintf(stderr, "%s\n", GetReaderDescription());
170 status = SetAsyncCardIdSendConfig(
174 UFR_ASYNC_SUFFIX, //suffix
175 0, //disable send removed
178 fprintf(stderr, "SetAsyncCardIdSendConfig: %s\n", UFR_Status2String(status));
179 if (status != UFR_OK) {
186 int mt_rfid_init(mt_rfid_t *self, struct ev_loop *loop, int fd)
188 if (ufr_open(UFR_READER_TYPE, UFR_PORT_NAME, UFR_PORT_INTERFACE) == -1) {
192 int tty = tty_open(UFR_PORT_NAME, CONCAT(B, UFR_ASYNC_BAUD_RATE));
198 ev_io_ufr *w = &(self->w);
199 w->uid = w->uid_data;
201 ev_io_init(&(w->w), ufr_cb, tty, EV_READ);
202 ev_io_start(loop, (ev_io *)w);
207 void mt_rfid_deinit(mt_rfid_t *self)
209 if (close(self->fd) == 0) {
210 fprintf(stderr, "closed %d\n", self->fd);
215 UFR_STATUS status = ReaderClose();
216 fprintf(stderr, "ReaderClose: %s\n", UFR_Status2String(status));
220 int main(int argc, char **argv)
222 struct ev_loop *loop = EV_DEFAULT;
225 set_signal_exit(loop);
227 if (mt_rfid_init(&rfid, loop, STDOUT_FILENO) != 0) {
233 mt_rfid_deinit(&rfid);