/*
- * This file is part of the sigrok project.
+ * This file is part of the libsigrok project.
*
* Copyright (C) 2010-2012 Bert Vermeulen <bert@biot.com>
* Copyright (C) 2012 Peter Stuge <peter@stuge.se>
#include "libsigrok.h"
#include "libsigrok-internal.h"
+#define LOG_PREFIX "backend"
+
+extern struct sr_session *session;
+
/**
* @mainpage libsigrok API
*
* struct sr_context *sr_ctx;
*
* if ((ret = sr_init(&sr_ctx)) != SR_OK) {
- * printf("Error initializing libsigrok (%s): %s.",
+ * printf("Error initializing libsigrok (%s): %s.\n",
* sr_strerror_name(ret), sr_strerror(ret));
* return 1;
* }
* // Use libsigrok functions here...
*
* if ((ret = sr_exit(sr_ctx)) != SR_OK) {
- * printf("Error shutting down libsigrok (%s): %s.",
+ * printf("Error shutting down libsigrok (%s): %s.\n",
* sr_strerror_name(ret), sr_strerror(ret));
* return 1;
* }
/**
* Sanity-check all libsigrok drivers.
*
- * @return SR_OK if all drivers are OK, SR_ERR if one or more have issues.
+ * @retval SR_OK All drivers are OK
+ * @retval SR_ERR One or more drivers have issues.
*/
static int sanity_check_all_drivers(void)
{
sr_err("No dev_clear in driver %d ('%s').", i, d);
errors++;
}
+ /* Note: config_get() is optional. */
+ if (!drivers[i]->config_set) {
+ sr_err("No config_set in driver %d ('%s').", i, d);
+ errors++;
+ }
+ if (!drivers[i]->config_list) {
+ sr_err("No config_list in driver %d ('%s').", i, d);
+ errors++;
+ }
if (!drivers[i]->dev_open) {
sr_err("No dev_open in driver %d ('%s').", i, d);
errors++;
return ret;
}
+/**
+ * Sanity-check all libsigrok input modules.
+ *
+ * @retval SR_OK All modules are OK
+ * @retval SR_ERR One or more modules have issues.
+ */
+static int sanity_check_all_input_modules(void)
+{
+ int i, errors, ret = SR_OK;
+ struct sr_input_format **inputs;
+ const char *d;
+
+ sr_spew("Sanity-checking all input modules.");
+
+ inputs = sr_input_list();
+ for (i = 0; inputs[i]; i++) {
+ errors = 0;
+
+ d = (inputs[i]->id) ? inputs[i]->id : "NULL";
+
+ if (!inputs[i]->id) {
+ sr_err("No ID in module %d ('%s').", i, d);
+ errors++;
+ }
+ if (!inputs[i]->description) {
+ sr_err("No description in module %d ('%s').", i, d);
+ errors++;
+ }
+ if (!inputs[i]->format_match) {
+ sr_err("No format_match in module %d ('%s').", i, d);
+ errors++;
+ }
+ if (!inputs[i]->init) {
+ sr_err("No init in module %d ('%s').", i, d);
+ errors++;
+ }
+ if (!inputs[i]->loadfile) {
+ sr_err("No loadfile in module %d ('%s').", i, d);
+ errors++;
+ }
+
+ if (errors == 0)
+ continue;
+
+ ret = SR_ERR;
+ }
+
+ return ret;
+}
+
+/**
+ * Sanity-check all libsigrok output modules.
+ *
+ * @retval SR_OK All modules are OK
+ * @retval SR_ERR One or more modules have issues.
+ */
+static int sanity_check_all_output_modules(void)
+{
+ int i, errors, ret = SR_OK;
+ struct sr_output_format **outputs;
+ const char *d;
+
+ sr_spew("Sanity-checking all output modules.");
+
+ outputs = sr_output_list();
+ for (i = 0; outputs[i]; i++) {
+ errors = 0;
+
+ d = (outputs[i]->id) ? outputs[i]->id : "NULL";
+
+ if (!outputs[i]->id) {
+ sr_err("No ID in module %d ('%s').", i, d);
+ errors++;
+ }
+ if (!outputs[i]->description) {
+ sr_err("No description in module %d ('%s').", i, d);
+ errors++;
+ }
+ if (outputs[i]->df_type < 10000 || outputs[i]->df_type > 10007) {
+ sr_err("Invalid df_type %d in module %d ('%s').",
+ outputs[i]->df_type, i, d);
+ errors++;
+ }
+
+ /* All modules must provide a data or recv API callback. */
+ if (!outputs[i]->data && !outputs[i]->receive) {
+ sr_err("No data/receive in module %d ('%s').", i, d);
+ errors++;
+ }
+
+ /*
+ * Currently most API calls are optional (their function
+ * pointers can thus be NULL) in theory: init, event, cleanup.
+ */
+
+ if (errors == 0)
+ continue;
+
+ ret = SR_ERR;
+ }
+
+ return ret;
+}
+
/**
* Initialize libsigrok.
*
* the 'ctx' pointer is undefined and should not be used. Upon success,
* the context will be free'd by sr_exit() as part of the libsigrok
* shutdown.
+ *
+ * @since 0.2.0
*/
SR_API int sr_init(struct sr_context **ctx)
{
return ret;
}
+ if (sanity_check_all_input_modules() < 0) {
+ sr_err("Internal input module error(s), aborting.");
+ return ret;
+ }
+
+ if (sanity_check_all_output_modules() < 0) {
+ sr_err("Internal output module error(s), aborting.");
+ return ret;
+ }
+
/* + 1 to handle when struct sr_context has no members. */
context = g_try_malloc0(sizeof(struct sr_context) + 1);
#ifdef HAVE_LIBUSB_1_0
ret = libusb_init(&context->libusb_ctx);
if (LIBUSB_SUCCESS != ret) {
- sr_err("libusb_init() returned %s.\n", libusb_error_name(ret));
+ sr_err("libusb_init() returned %s.", libusb_error_name(ret));
ret = SR_ERR;
goto done;
}
*ctx = context;
context = NULL;
+ session = NULL;
ret = SR_OK;
done:
*
* @param ctx Pointer to a libsigrok context struct. Must not be NULL.
*
- * @return SR_OK upon success, a (negative) error code otherwise.
+ * @retval SR_OK Success
+ * @retval other Error code SR_ERR, ...
+ *
+ * @since 0.2.0
*/
SR_API int sr_exit(struct sr_context *ctx)
{
projects / libsigrok.git / blobdiff