From 999340f641477f94e3730e53d8a8bf39fe93b0c4 Mon Sep 17 00:00:00 2001 From: Tobias Jahnke Date: Tue, 15 Aug 2017 13:34:17 +0200 Subject: implemented listconfig in UNICENS wrapper --- HAL-afb/HAL_MOST_UNICENS/hal_most_unicens.c | 23 +++++- HAL-afb/HAL_MOST_UNICENS/wrap_unicens.c | 110 ++++++++++++++++++++++++---- HAL-afb/HAL_MOST_UNICENS/wrap_unicens.h | 2 +- 3 files changed, 115 insertions(+), 20 deletions(-) (limited to 'HAL-afb') diff --git a/HAL-afb/HAL_MOST_UNICENS/hal_most_unicens.c b/HAL-afb/HAL_MOST_UNICENS/hal_most_unicens.c index 2cffe8d..7240fe0 100644 --- a/HAL-afb/HAL_MOST_UNICENS/hal_most_unicens.c +++ b/HAL-afb/HAL_MOST_UNICENS/hal_most_unicens.c @@ -23,10 +23,12 @@ #include "wrap_unicens.h" #include "wrap_volume.h" -#define XML_CONFIG_PATH "/home/agluser/DEVELOPMENT/AGL/BINDING/unicens2-binding/data/config_multichannel_audio_kit.xml" -#define ALSA_CARD_NAME "Microchip MOST:1" +#ifndef UCS2_CFG_PATH +# define UCS2_CFG_PATH "/home/agluser/DEVELOPMENT/AGL/BINDING/unicens2-binding/data" +#endif -#define PCM_MAX_CHANNELS 6 +#define ALSA_CARD_NAME "Microchip MOST:1" +#define PCM_MAX_CHANNELS 6 static int master_volume; static json_bool master_switch; @@ -96,6 +98,7 @@ STATIC alsaHalSndCardT alsaHalSndCard = { /* initializes ALSA sound card, UNICENS API */ STATIC int unicens_service_init() { int err = 0; + char *config_file = NULL; AFB_NOTICE("Initializing HAL-MOST-UNICENS-BINDING"); err = halServiceInit(afbBindingV2.api, &alsaHalSndCard); @@ -110,13 +113,25 @@ STATIC int unicens_service_init() { goto OnErrorExit; } + err = wrap_ucs_getconfig_sync(UCS2_CFG_PATH, &config_file); + if (err || (config_file == NULL)) { + AFB_ERROR("Failed to retrieve configuration"); + goto OnErrorExit; + } + else { + AFB_NOTICE("Found configuration: %s", config_file); + } + err = wrap_ucs_subscribe_sync(); if (err) { AFB_ERROR("Failed to subscribe to UNICENS binding"); goto OnErrorExit; } - err = wrap_ucs_initialize_sync(XML_CONFIG_PATH); + err = wrap_ucs_initialize_sync(config_file); + free(config_file); + config_file = NULL; + if (err) { AFB_ERROR("Failed to initialize UNICENS binding"); goto OnErrorExit; diff --git a/HAL-afb/HAL_MOST_UNICENS/wrap_unicens.c b/HAL-afb/HAL_MOST_UNICENS/wrap_unicens.c index 0cac86b..dc82568 100644 --- a/HAL-afb/HAL_MOST_UNICENS/wrap_unicens.c +++ b/HAL-afb/HAL_MOST_UNICENS/wrap_unicens.c @@ -21,14 +21,18 @@ #include #include #include - #include "wrap_unicens.h" #include "wrap-json.h" typedef struct async_job_ { - wrap_ucs_result_cb_t result_fptr; + wrap_ucs_result_cb_t result_fptr; void *result_user_ptr; -} async_job_t; +} async_job_t; + +typedef struct parse_result_ { + int done; + char *str_result; +} parse_result_t; /* Subscribes to unicens2-binding events. * \return Returns 0 if successful, otherwise != 0". @@ -63,19 +67,78 @@ OnErrorExit: return err; } +/* Checks if name ends with a given letter. */ +static int wrap_ucs_string_ends_with(const char *name, char letter) { + + int result = 0; + size_t len = strlen(name); + + if (len > 0) { + + if (name[len] == letter) { + result = 1; + } + } + + return result; +} + +/* Callback for iteration through found files. Marks search as "done" as + * soon as the search pattern "kit.xml" matches. + * \param closure User reference. Points to parse_result_t. + * \param j_obj Points to json object within array. + */ +static void wrap_ucs_find_xml_cb(void *closure, struct json_object *j_obj) { + + const char *dir, *name; + parse_result_t *result; + + if (!closure) + return; + + result = (parse_result_t *)closure; + if (result->done) + return; + + wrap_json_unpack(j_obj, "{s:s, s:s}", "dirpath", &dir, "basename", &name); + AFB_DEBUG("Found file: %s", name); + + if(strstr(name, "kit.xml") != NULL) { + size_t sz = strlen(dir)+strlen(name)+10; + char * full_path = malloc(sz); + + strncpy(full_path, dir, sz); + + if (!wrap_ucs_string_ends_with(dir, '/')) + strncat(full_path, "/", sz); + + strncat(full_path, name, sz); + AFB_DEBUG("Found XML file: %s", full_path); + + result->done = 1; + result->str_result = full_path; + } +} + /* Retrieves XML configuration path to initialize unicens2-binding. - * \param config_path Directory containing XML configuration file(s). + * \param config_path Directory containing XML configuration file(s). + * \param file_found Points to found file_path or NULL if not found. + * Memory must be released by calling free(). * \return Returns 0 if successful, otherwise != 0". */ -extern int wrap_ucs_getconfig_sync(const char *config_path) { - json_object *j_response, *j_query = NULL; - int err; +extern int wrap_ucs_getconfig_sync(const char *config_path, char **file_found) { + + int err = 0; + json_object *j_response, *j_query, *j_paths = NULL; + parse_result_t result = {.done = 0, .str_result = NULL}; + + *file_found = NULL; /* Build JSON object to retrieve UNICENS configuration */ - if (config_path != NULL) - err = wrap_json_pack(&j_query, "{s:s}", "cfgpath", config_path); - else + if ((config_path == NULL) || (strcmp(config_path, "") == 0)) err = wrap_json_pack(&j_query, "{}"); + else + err = wrap_json_pack(&j_query, "{s:s}", "cfgpath", config_path); if (err) { AFB_ERROR("Failed to create listconfig json object"); @@ -88,7 +151,25 @@ extern int wrap_ucs_getconfig_sync(const char *config_path) { goto OnErrorExit; } else { - AFB_NOTICE("UNICENS listconfig result, res=%s", json_object_to_json_string(j_response)); + AFB_DEBUG("UNICENS listconfig result, res=%s", json_object_to_json_string(j_response)); + + if (json_object_object_get_ex(j_response, "response", &j_paths)) { + + AFB_DEBUG("UNICENS listconfig result, paths=%s", json_object_to_json_string(j_paths)); + + wrap_json_optarray_for_all(j_paths, &wrap_ucs_find_xml_cb, &result); + + if (result.done) { + *file_found = strdup(result.str_result); + free(result.str_result); + result.str_result = NULL; + } + else { + AFB_NOTICE("wrap_ucs_getconfig_sync, search pattern does not match for paths=%s", json_object_to_json_string(j_paths)); + err = -1; + } + } + json_object_put(j_response); } json_object_put(j_query); @@ -100,7 +181,6 @@ OnErrorExit: return err; } - /* Initializes the unicens2-binding. * \param file_name Path to XML configuration file or \c NULL for * first found file in default path. @@ -170,11 +250,11 @@ extern int wrap_ucs_i2cwrite_sync(uint16_t node, uint8_t *data_ptr, uint8_t data err = afb_service_call_sync("UNICENS", "writei2c", j_query, &j_response); if (err) { - AFB_ERROR("Failed to call writei2c"); + AFB_ERROR("Failed to call writei2c_sync"); goto OnErrorExit; } else { - AFB_NOTICE("Called writei2c, res=%s", "async"/*json_object_to_json_string(j_response)*/); + AFB_INFO("Called writei2c_sync, res=%s", json_object_to_json_string(j_response)); json_object_put(j_response); } @@ -191,7 +271,7 @@ OnErrorExit: static void wrap_ucs_i2cwrite_cb(void *closure, int status, struct json_object *j_result) { - AFB_DEBUG("wrap_ucs_i2cwrite_cb: closure=%p status=%d, res=%s", closure, status, json_object_to_json_string(j_result)); + AFB_INFO("wrap_ucs_i2cwrite_cb: closure=%p status=%d, res=%s", closure, status, json_object_to_json_string(j_result)); if (closure) { async_job_t *job_ptr = (async_job_t *)closure; diff --git a/HAL-afb/HAL_MOST_UNICENS/wrap_unicens.h b/HAL-afb/HAL_MOST_UNICENS/wrap_unicens.h index 268fb74..c28d13a 100644 --- a/HAL-afb/HAL_MOST_UNICENS/wrap_unicens.h +++ b/HAL-afb/HAL_MOST_UNICENS/wrap_unicens.h @@ -29,6 +29,6 @@ extern int wrap_ucs_i2cwrite(uint16_t node, uint8_t *data_ptr, uint8_t data_sz, /* Synchronous API: functions */ extern int wrap_ucs_subscribe_sync(); -extern int wrap_ucs_getconfig_sync(const char *config_path); +extern int wrap_ucs_getconfig_sync(const char *config_path, char **file_found); extern int wrap_ucs_initialize_sync(const char* file_name); extern int wrap_ucs_i2cwrite_sync(uint16_t node, uint8_t *data_ptr, uint8_t data_sz); -- cgit 1.2.3-korg