From 41c462374fb25fae29f3b4a28eb99fdb639e8547 Mon Sep 17 00:00:00 2001 From: Manuel Bachmann Date: Wed, 16 Dec 2015 17:12:04 +0100 Subject: Fix plugins loading, cleanup and dispatch Radio API code Signed-off-by: Manuel Bachmann --- plugins/radio/radio-rtlsdr.h | 98 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 98 insertions(+) create mode 100644 plugins/radio/radio-rtlsdr.h (limited to 'plugins/radio/radio-rtlsdr.h') 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 . + */ + +#ifndef RADIO_RTLSDR_H +#define RADIO_RTLSDR_H + +/* -------------- RADIO RTLSDR DEFINITIONS ------------------ */ + +#include +#include +#include + +#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 */ \ No newline at end of file -- cgit 1.2.3-korg