Initial push

1 files changed, 62 insertions, 0 deletions

diff --git a/stacks/max25-bcpr/include/bcpr/bcpr_engine.h b/stacks/max25-bcpr/include/bcpr/bcpr_engine.h
new file mode 100644
index 0000000..f3b3d4a
--- /dev/null
+++ b/stacks/max25-bcpr/include/bcpr/bcpr_engine.h
@@ -0,0 +1,62 @@
+#ifndef BCPR_ENGINE_H
+#define BCPR_ENGINE_H
+
+#include "bcpr/bcpr_config.h"
+#include "bcpr/bcpr_hdlc.h"
+#include "bcpr/bcpr_lock.h"
+#include "bcpr/bcpr_ser12.h"
+
+#include <stdint.h>
+
+struct bcpr_device {
+    bcpr_dev_config_t cfg;
+    bcpr_port_lock_t lock;
+    bcpr_ser12_t ser12;
+    bcpr_hdlc_t hdlc;
+    int running;
+    int index; /* 0 = bc0, 1 = bc1 */
+    /* S0 TX telemetry (reset on PTT rise, emit on PTT fall). */
+    int ptt_was;
+    int64_t ptt_on_ns;
+    unsigned thr_writes;
+    unsigned max_tick_gap_us;
+    unsigned last_tick_us;
+    unsigned tick_count;       /* bit ticks while keyed */
+    unsigned long long gap_sum_us; /* for mean gap */
+    unsigned gaps_gt_2x;       /* gaps > 2× baud_us */
+    int tx_div_set;            /* UART baud_uartdiv applied for this PTT */
+    int break_set;             /* txd_bias=steady: LCR break asserted */
+    /* Software TOT runtime (see tot_* in bcpr_dev_config_t). */
+    int tot_tripped;
+    int tot_burst_total;
+    int tot_consecutive;
+    unsigned tot_last_off_us;
+    unsigned tot_key_start_us;
+};
+
+typedef void (*bcpr_rx_fn)(int dev_idx, const uint8_t *kiss, int len, void *ud);
+
+struct bcpr_engine {
+    bcpr_config_t cfg;
+    bcpr_device_t dev[BCPR_MAX_DEVICES];
+    int n;
+    volatile int stop;
+    bcpr_rx_fn on_rx;
+    void *on_rx_ud;
+    /* 0 = forever; >0 stop after wall-clock seconds (tests / dry-run). */
+    int run_seconds;
+    /* BCPR_CAL_* on all enabled devices; 0 = normal KISS/HDLC. */
+    int cal_mode;
+};
+
+int bcpr_engine_open(bcpr_engine_t *e, const bcpr_config_t *cfg);
+void bcpr_engine_close(bcpr_engine_t *e);
+void bcpr_engine_set_rx(bcpr_engine_t *e, bcpr_rx_fn fn, void *ud);
+int bcpr_engine_queue_kiss(bcpr_engine_t *e, int dev_idx, const uint8_t *kiss,
+                           int len);
+/* Apply DOS-style cal (high/low/alt) before bcpr_engine_run. */
+void bcpr_engine_set_cal(bcpr_engine_t *e, int cal_mode);
+/* Run until e->stop or run_seconds elapses. Dry-run skips UART I/O. */
+int bcpr_engine_run(bcpr_engine_t *e);
+
+#endif