Implementation of NMT (Nordic Mobile Telephoe) network

1 files changed, 84 insertions, 0 deletions

diff --git a/src/nmt/frame.h b/src/nmt/frame.h
new file mode 100644
index 0000000..4130568
--- /dev/null
+++ b/src/nmt/frame.h
@@ -0,0 +1,84 @@
+
+#define NMT_MESSAGE_1a	0
+#define NMT_MESSAGE_1b	1
+#define NMT_MESSAGE_2a	2
+#define NMT_MESSAGE_2b	3
+#define NMT_MESSAGE_2c	4
+#define NMT_MESSAGE_2d	5
+#define NMT_MESSAGE_2f	6
+#define NMT_MESSAGE_3a	7
+#define NMT_MESSAGE_3b	8
+#define NMT_MESSAGE_3c	9
+#define NMT_MESSAGE_4	10
+#define NMT_MESSAGE_5a	11
+#define NMT_MESSAGE_5b	12
+#define NMT_MESSAGE_6	13
+#define NMT_MESSAGE_7	14
+#define NMT_MESSAGE_10a	15
+#define NMT_MESSAGE_10b	16
+#define NMT_MESSAGE_10c	17
+#define NMT_MESSAGE_11a	18
+#define NMT_MESSAGE_11b	19
+#define NMT_MESSAGE_12	20
+#define NMT_MESSAGE_13a	21
+#define NMT_MESSAGE_13b	22
+#define NMT_MESSAGE_14a	23
+#define NMT_MESSAGE_14b	24
+#define NMT_MESSAGE_15	25
+#define NMT_MESSAGE_16	26
+#define NMT_MESSAGE_20a	27
+#define NMT_MESSAGE_20b	28
+#define NMT_MESSAGE_20c	29
+#define NMT_MESSAGE_20d	30
+#define NMT_MESSAGE_20e	31
+#define NMT_MESSAGE_21b	32
+#define NMT_MESSAGE_21c	33
+#define NMT_MESSAGE_22	34
+#define NMT_MESSAGE_25a	35
+#define NMT_MESSAGE_25b	36
+#define NMT_MESSAGE_25c	37
+#define NMT_MESSAGE_25d	38
+#define NMT_MESSAGE_26	39
+#define NMT_MESSAGE_27	40
+#define NMT_MESSAGE_28	41
+#define NMT_MESSAGE_30	42
+
+typedef struct frame {
+	uint8_t		index;
+	uint16_t	channel_no;
+	uint16_t	tc_no;
+	uint8_t		traffic_area;
+	uint8_t		ms_country;
+	uint32_t	ms_number;
+	uint8_t		tariff_class;
+	uint32_t	line_signal;
+	uint32_t	digit;
+	uint64_t	idle;
+	uint8_t		chan_act;
+	uint32_t	meas_order;
+	uint32_t	meas;
+	uint8_t		prefix;
+	uint32_t	supervisory;
+	uint16_t	ms_password;
+	uint8_t		area_info;
+	uint64_t	additional_info;
+	uint32_t	rand;
+	uint64_t	sres;
+	uint16_t	limit_strength_eval;
+	uint16_t	c;
+} frame_t;
+
+int init_frame(void);
+
+uint64_t nmt_encode_channel(int channel, int power);
+int nmt_decode_channel(uint64_t value, int *channel, int *power);
+void nmt_value2digits(uint64_t value, char *digits, int num);
+uint64_t nmt_digits2value(const char *digits, int num);
+char nmt_value2digit(uint64_t value);
+uint16_t nmt_encode_area_no(uint8_t area_no);
+
+const char *nmt_frame_name(int index);
+
+const char *encode_frame(frame_t *frame, int debug);
+int decode_frame(frame_t *frame, const char *bits, enum nmt_direction direction, int callack);
+