Initial import of OsmocomBB into git repository

1 files changed, 75 insertions, 0 deletions

diff --git a/src/target/firmware/include/layer1/sync.h b/src/target/firmware/include/layer1/sync.h
new file mode 100644
index 00000000..28eda42c
--- /dev/null
+++ b/src/target/firmware/include/layer1/sync.h
@@ -0,0 +1,75 @@
+#ifndef _L1_SYNC_H
+#define _L1_SYNC_H
+
+#include <layer1/tdma_sched.h>
+#include <l1a_l23_interface.h>
+
+struct l1_cell_info {
+	uint16_t	arfcn;
+	uint32_t	bsic;
+	uint32_t	fn_offset;
+	uint32_t	time_alignment;
+};
+
+struct l1s_state {
+	struct gsm_time	current_time;	/* current time */
+	struct gsm_time	next_time;	/* time at next TMDMA irq */
+
+	struct l1_cell_info serving_cell;
+
+	struct tdma_scheduler tdma_sched;
+
+	uint32_t	tpu_offset;
+
+	int		task;
+};
+
+extern struct l1s_state l1s;
+
+enum l1_sig_num {
+	L1_SIG_PM,	/* Power Measurement */
+	L1_SIG_NB,	/* Normal Burst */
+};
+
+struct l1s_meas_hdr {
+	uint16_t snr;		/* signal/noise ratio */
+	int16_t toa_qbit;	/* time of arrival (qbits) */
+	int16_t pm_dbm8;	/* power level in dbm/8 */
+	int16_t freq_err; 	/* Frequency error in Hz */
+};
+
+struct l1_signal {
+	uint16_t signum;
+	uint16_t arfcn;
+	union {
+		struct {
+			int16_t dbm8[2];
+		} pm;
+		struct {
+			struct l1s_meas_hdr meas[4];
+			uint16_t crc;
+			uint16_t fire;
+			uint16_t num_biterr;
+			uint8_t frame[24];
+		} nb;
+	};
+};
+
+typedef void (*l1s_cb_t)(struct l1_signal *sig);
+
+void l1s_set_handler(l1s_cb_t handler);
+
+int16_t l1s_snr_int(uint16_t snr);
+uint16_t l1s_snr_fract(uint16_t snr);
+
+void l1s_fb_test(uint8_t base_fn, uint8_t fb_mode);
+void l1s_sb_test(uint8_t base_fn);
+void l1s_pm_test(uint8_t base_fn, uint16_t arfcn);
+void l1s_nb_test(uint8_t base_fn);
+
+void l1s_init(void);
+
+/* init.c */
+void layer1_init(void);
+
+#endif /* _L1_SYNC_H */