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authorJosé Bollo <jose.bollo@iot.bzh>2017-01-03 11:13:47 +0100
committerJosé Bollo <jose.bollo@iot.bzh>2017-01-03 11:13:47 +0100
commit2db7c92c0b4f5840884481fa4c95facbdea63bb6 (patch)
tree6c56f2c5288069eed41d78789f66c60e7422ee3c /bindings/radio/radio-api.c
parenta38382e89710db2c298f7f101e3ba0cf3681287c (diff)
Cleanup of the project
The bindings "audio", "media" and "radio" were in the project since its beginning for historical reasons. But this bindings msut not be part of the current tree of sources. Change-Id: I9d903f094ddc4d2457e63987df0c221d2bd7b4d1 Signed-off-by: José Bollo <jose.bollo@iot.bzh>
Diffstat (limited to 'bindings/radio/radio-api.c')
-rw-r--r--bindings/radio/radio-api.c376
1 files changed, 0 insertions, 376 deletions
diff --git a/bindings/radio/radio-api.c b/bindings/radio/radio-api.c
deleted file mode 100644
index 9c1fef6c..00000000
--- a/bindings/radio/radio-api.c
+++ /dev/null
@@ -1,376 +0,0 @@
-/*
- * Copyright (C) 2015, 2016, 2017 "IoT.bzh"
- * Author "Manuel Bachmann"
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define _GNU_SOURCE
-#include <strings.h>
-#include <json-c/json.h>
-
-#include "radio-api.h"
-#include "radio-rtlsdr.h"
-
-#include <afb/afb-binding.h>
-#include <afb/afb-req-itf.h>
-
-/* ********************************************************
-
- FULUP integration proposal with client session context
-
- ******************************************************** */
-
-/* ------ LOCAL HELPER FUNCTIONS --------- */
-
-static pluginHandleT *the_radio = NULL;
-
-/* detect new radio devices */
-void updateRadioDevList(pluginHandleT *handle) {
-
- int idx;
-
- // loop on existing radio if any
- for (idx = 0; idx < _radio_dev_count(); idx++) {
- if (idx == MAX_RADIO) break;
- handle->radios[idx] = calloc(1, sizeof(radioDevT)); /* use calloc to set "used" to FALSE */
- handle->radios[idx]->name = (char *) _radio_dev_name(idx);
- }
- handle->devCount = _radio_dev_count();
-}
-
-/* global plugin context creation ; at loading time [radio devices might not be visible] */
-static void initRadioPlugin() {
-
- pluginHandleT *handle;
-
- handle = calloc (1, sizeof(pluginHandleT));
- updateRadioDevList (handle);
- the_radio = handle;
-}
-
-/* private client context creation ; default values */
-static radioCtxHandleT* initRadioCtx () {
-
- radioCtxHandleT *ctx;
-
- ctx = malloc (sizeof(radioCtxHandleT));
- ctx->radio = NULL;
- ctx->idx = -1;
- ctx->mode = FM;
- ctx->freq = 100.0;
- ctx->mute = 0;
- ctx->is_playing = 0;
-
- return ctx;
-}
-
-/* reserve a radio device for requesting client, power it on */
-unsigned char reserveRadio (pluginHandleT *handle, radioCtxHandleT *ctx) {
-
- unsigned int idx;
-
- /* loop on all devices, find an unused one */
- for (idx = 0; idx < _radio_dev_count(); idx++) {
- if (idx == MAX_RADIO) break;
- if (handle->radios[idx]->used == FALSE) goto found_radio; /* found one */
- }
- return 0;
-
- found_radio:
- /* try to power it on, passing client context info such as frequency... */
-
- _radio_on (idx, ctx);
- /* TODO : try to re-iterate from the next ones if it failed ! */
-
- /* globally mark it as reserved */
- handle->radios[idx]->used = TRUE;
-
- /* store relevant info to client context (direct pointer, index) */
- ctx->radio = handle->radios[idx];
- ctx->idx = idx;
-
- return 1;
-}
-
-/* free a radio device from requesting client, power it off */
-unsigned char releaseRadio (pluginHandleT *handle, radioCtxHandleT *ctx) {
-
- /* stop playing if it was doing this (blocks otherwise) */
- if (ctx->is_playing) {
- ctx->is_playing = 0;
- _radio_stop (ctx->idx);
- }
-
- /* power it off */
- _radio_off (ctx->idx);
-
- /* globally mark it as free */
- handle->radios[ctx->idx]->used = FALSE;
-
- /* clean client context */
- ctx->radio = NULL;
- ctx->idx = -1;
-
- return 1;
-}
-
-/* called when client session dies [e.g. client quits for more than 15mns] */
-static void freeRadio (void *context) {
-
- releaseRadio (the_radio, context);
- free (context);
-}
-
-
-/* ------ PUBLIC PLUGIN FUNCTIONS --------- */
-
-static void init (struct afb_req request) { /* AFB_SESSION_CHECK */
-
- radioCtxHandleT *ctx = afb_req_context_get (request);
- json_object *jresp;
-
- /* create a global plugin handle */
- if (!the_radio)
- initRadioPlugin();
-
- /* create a private client context */
- if (!ctx) {
- ctx = initRadioCtx();
- afb_req_context_set (request, ctx, free);
- }
-
- jresp = json_object_new_object();
- json_object_object_add(jresp, "init", json_object_new_string ("success"));
- afb_req_success (request, jresp, "Radio initialized");
-}
-
-static void power (struct afb_req request) { /* AFB_SESSION_CHECK */
-
- pluginHandleT *handle = the_radio;
- radioCtxHandleT *ctx = afb_req_context_get (request);
- const char *value = afb_req_value (request, "value");
- json_object *jresp;
-
- if (!ctx) {
- afb_req_fail (request, "failed", "you must call 'init' first");
- return;
- }
- jresp = json_object_new_object();
-
- /* no "?value=" parameter : return current state */
- if (!value) {
- ctx->radio ?
- json_object_object_add (jresp, "power", json_object_new_string ("on"))
- : json_object_object_add (jresp, "power", json_object_new_string ("off"));
- afb_req_success (request, jresp, "Radio - Power status obtained");
- return;
- }
-
- /* "?value=" parameter is "1" or "true" */
- else if ( atoi(value) == 1 || !strcasecmp(value, "true") ) {
- if (!ctx->radio) {
- if (!reserveRadio (handle, ctx)) {
- afb_req_fail (request, "failed", "no more radio devices available");
- return;
- }
- }
- json_object_object_add (jresp, "power", json_object_new_string ("on"));
- }
-
- /* "?value=" parameter is "0" or "false" */
- else if ( atoi(value) == 0 || !strcasecmp(value, "false") ) {
- if (ctx->radio) {
- if (!releaseRadio (handle, ctx)) {
- afb_req_fail (request, "failed", "Unable to release radio device");
- return;
- }
- }
- json_object_object_add (jresp, "power", json_object_new_string ("off"));
- }
- else
- jresp = NULL;
-
- afb_req_success (request, jresp, "Radio - Power set");
-}
-
-static void mode (struct afb_req request) { /* AFB_SESSION_CHECK */
-
- radioCtxHandleT *ctx = afb_req_context_get (request);
- const char *value = afb_req_value (request, "value");
- json_object *jresp;
-
- if (!ctx) {
- afb_req_fail (request, "failed", "you must call 'init' first");
- return;
- }
- jresp = json_object_new_object();
-
- /* no "?value=" parameter : return current state */
- if (!value || !ctx->radio) {
- ctx->mode ?
- json_object_object_add (jresp, "mode", json_object_new_string ("AM"))
- : json_object_object_add (jresp, "mode", json_object_new_string ("FM"));
- }
-
- /* "?value=" parameter is "1" or "AM" */
- else if ( atoi(value) == 1 || !strcasecmp(value, "AM") ) {
- ctx->mode = AM;
- _radio_set_mode (ctx->idx, ctx->mode);
- json_object_object_add (jresp, "mode", json_object_new_string ("AM"));
- }
-
- /* "?value=" parameter is "0" or "FM" */
- else if ( atoi(value) == 0 || !strcasecmp(value, "FM") ) {
- ctx->mode = FM;
- _radio_set_mode (ctx->idx, ctx->mode);
- json_object_object_add (jresp, "mode", json_object_new_string ("FM"));
- }
-
- afb_req_success (request, jresp, "Radio - Mode set");
-}
-
-static void freq (struct afb_req request) { /* AFB_SESSION_CHECK */
-
- radioCtxHandleT *ctx = afb_req_context_get (request);
- const char *value = afb_req_value (request, "value");
- json_object *jresp;
- double freq;
- char freq_str[256];
-
- if (!ctx) {
- afb_req_fail (request, "failed", "you must call 'init' first");
- return;
- }
- jresp = json_object_new_object();
-
- /* no "?value=" parameter : return current state */
- if (!value || !ctx->radio) {
- snprintf (freq_str, sizeof(freq_str), "%f", ctx->freq);
- json_object_object_add (jresp, "freq", json_object_new_string (freq_str));
- }
-
- /* "?value=" parameter, set frequency */
- else {
- freq = strtod (value, NULL);
- _radio_set_freq (ctx->idx, freq);
- ctx->freq = (float)freq;
-
- snprintf (freq_str, sizeof(freq_str), "%f", ctx->freq);
- json_object_object_add (jresp, "freq", json_object_new_string (freq_str));
- }
-
- afb_req_success (request, jresp, "Radio - Frequency Set");
-}
-
-static void mute (struct afb_req request) { /* AFB_SESSION_CHECK */
-
- radioCtxHandleT *ctx = afb_req_context_get (request);
- const char *value = afb_req_value (request, "value");
- json_object *jresp = json_object_new_object();
-
- if (!ctx) {
- afb_req_fail (request, "failed", "you must call 'init' first");
- return;
- }
-
- /* no "?value=" parameter : return current state */
- if (!value || !ctx->radio) {
- ctx->mute ?
- json_object_object_add (jresp, "mute", json_object_new_string ("on"))
- : json_object_object_add (jresp, "mute", json_object_new_string ("off"));
- }
-
- /* "?value=" parameter is "1" or "true" */
- else if ( atoi(value) == 1 || !strcasecmp(value, "true") ) {
- ctx->mute = 1;
- _radio_set_mute (ctx->idx, ctx->mute);
- json_object_object_add (jresp, "mute", json_object_new_string ("on"));
- }
-
- /* "?value=" parameter is "0" or "false" */
- else if ( atoi(value) == 0 || !strcasecmp(value, "off") ) {
- ctx->mute = 0;
- _radio_set_mute (ctx->idx, ctx->mute);
- json_object_object_add (jresp, "mute", json_object_new_string ("off"));
- }
-
- afb_req_success (request, jresp, "Radio - Mute set");
-}
-
-static void play (struct afb_req request) { /* AFB_SESSION_CHECK */
-
- radioCtxHandleT *ctx = afb_req_context_get (request);
- const char *value = afb_req_value (request, "value");
- json_object *jresp = json_object_new_object();
-
- if (!ctx) {
- afb_req_fail (request, "failed", "you must call 'init' first");
- return;
- }
-
- /* no "?value=" parameter : return current state */
- if (!value || !ctx->radio) {
- ctx->is_playing ?
- json_object_object_add (jresp, "play", json_object_new_string ("on"))
- : json_object_object_add (jresp, "play", json_object_new_string ("off"));
- }
-
- /* "?value=" parameter is "1" or "true" */
- else if ( atoi(value) == 1 || !strcasecmp(value, "true") ) {
- /* radio playback */
- ctx->is_playing = 1;
- _radio_play (ctx->idx);
- json_object_object_add (jresp, "play", json_object_new_string ("on"));
- }
-
- /* "?value=" parameter is "0" or "false" */
- else if ( atoi(value) == 0 || !strcasecmp(value, "false") ) {
- /* radio stop */
- ctx->is_playing = 0;
- _radio_stop (ctx->idx);
- json_object_object_add (jresp, "play", json_object_new_string ("off"));
- }
-
- afb_req_success (request, jresp, "Radio - Play succeeded");
-}
-
-static void ping (struct afb_req request) { /* AFB_SESSION_NONE */
- afb_req_success (request, NULL, "Radio - Ping succeeded");
-}
-
-
-static const struct afb_verb_desc_v1 verbs[] = {
- {"init" , AFB_SESSION_CHECK, init , "Radio API - init"},
- {"power" , AFB_SESSION_CHECK, power , "Radio API - power"},
- {"mode" , AFB_SESSION_CHECK, mode , "Radio API - mode"},
- {"freq" , AFB_SESSION_CHECK, freq , "Radio API - freq"},
- {"mute" , AFB_SESSION_CHECK, mute , "Radio API - mute"},
- {"play" , AFB_SESSION_CHECK, play , "Radio API - play"},
- {"ping" , AFB_SESSION_NONE, ping , "Radio API - ping"},
- {NULL}
-};
-
-static const struct afb_binding pluginDesc = {
- .type = AFB_BINDING_VERSION_1,
- .v1 = {
- .info = "Application Framework Binder - Radio plugin",
- .prefix = "radio",
- .verbs = verbs
- }
-};
-
-const struct afb_binding *afbBindingV1Register (const struct afb_binding_interface *itf)
-{
- return &pluginDesc;
-}