Fix plugins loading, cleanup and dispatch Radio API code

Signed-off-by: Manuel Bachmann <manuel.bachmann@iot.bzh>

1 files changed, 98 insertions, 0 deletions

diff --git a/plugins/radio/radio-rtlsdr.h b/plugins/radio/radio-rtlsdr.h
new file mode 100644
index 00000000..f3e2f454
--- /dev/null
+++ b/plugins/radio/radio-rtlsdr.h
@@ -0,0 +1,98 @@
+/*
+ * Copyright (C) 2015 "IoT.bzh"
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef RADIO_RTLSDR_H
+#define RADIO_RTLSDR_H
+
+/* -------------- RADIO RTLSDR DEFINITIONS ------------------ */
+
+#include <math.h>
+#include <pthread.h>
+#include <rtl-sdr.h>
+
+#include "local-def.h"
+
+#define pthread_signal(n, m) pthread_mutex_lock(m); pthread_cond_signal(n); pthread_mutex_unlock(m)
+#define pthread_wait(n, m) pthread_mutex_lock(m); pthread_cond_wait(n, m); pthread_mutex_unlock(m)
+#define BUF_LEN 16*16384
+
+typedef enum { FM, AM } Mode;
+typedef struct dongle_ctx dongle_ctx;
+typedef struct demod_ctx demod_ctx;
+typedef struct output_ctx output_ctx;
+typedef struct dev_ctx dev_ctx_T;
+
+struct dongle_ctx {
+    pthread_t thr;
+    unsigned char thr_finished;
+    uint16_t buf[BUF_LEN];
+    uint32_t buf_len;
+};
+
+struct demod_ctx {
+    pthread_t thr;
+    unsigned char thr_finished;
+    pthread_rwlock_t lck;
+    pthread_cond_t ok;
+    pthread_mutex_t ok_m;
+    int pre_r, pre_j, now_r, now_j, index;
+    int pre_index, now_index;
+    int16_t buf[BUF_LEN];
+    int buf_len;
+    int16_t res[BUF_LEN];
+    int res_len;
+};
+
+struct output_ctx {
+    pthread_t thr;
+    unsigned char thr_finished;
+    pthread_rwlock_t lck;
+    pthread_cond_t ok;
+    pthread_mutex_t ok_m;
+    int16_t buf[BUF_LEN];
+    int buf_len;
+};
+
+struct dev_ctx {
+    int used;  // radio is free ???
+    rtlsdr_dev_t* dev;
+    Mode mode;
+    float freq;
+    unsigned char mute;
+    unsigned char should_run;
+     /* thread contexts */
+    dongle_ctx *dongle;
+    demod_ctx *demod;
+    output_ctx *output;
+};
+
+PUBLIC unsigned int _radio_dev_count (void);
+PUBLIC const char* _radio_dev_name (unsigned int);
+
+STATIC void* _dongle_thread_fn (void *);
+STATIC void* _demod_thread_fn (void *);
+STATIC void* _output_thread_fn (void *);
+STATIC unsigned char _radio_dev_init (struct dev_ctx *, unsigned int);
+STATIC unsigned char _radio_dev_free (struct dev_ctx *);
+STATIC void _radio_apply_params (struct dev_ctx *);
+STATIC void _radio_start_threads (struct dev_ctx *);
+STATIC void _radio_stop_threads (struct dev_ctx *);
+
+static unsigned int init_dev_count = 0;
+static struct dev_ctx **dev_ctx = NULL;
+
+#endif /* RADIO_RTLSDR_H */
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