#include <stdio.h>
#include <glib.h>
-#include "sigrok.h"
-#include "sigrok-internal.h"
+#include "libsigrok.h"
+#include "libsigrok-internal.h"
static GSList *devs = NULL;
* TODO: Error checks?
* TODO: Option to only scan for specific devices or device classes.
*
- * @return SR_OK upon success, SR_ERR upon errors.
+ * @return SR_OK upon success, SR_ERR_BUG upon internal errors.
*/
SR_API int sr_dev_scan(void)
{
int i;
struct sr_dev_driver **drivers;
- drivers = sr_hw_list();
+ drivers = sr_driver_list();
if (!drivers[0]) {
sr_err("dev: %s: no supported hardware drivers", __func__);
- return SR_ERR; /* TODO: More specific error? */
+ return SR_ERR_BUG;
}
/*
* of these out of the way first.
*/
for (i = 0; drivers[i]; i++)
- sr_hw_init(drivers[i]);
+ sr_driver_init(drivers[i]);
return SR_OK;
}
return SR_OK;
}
+/**
+ * Enable or disable a probe on the specified device.
+ *
+ * @param sdi The device instance the probe is connected to.
+ * @param probenum The probe number, starting from 0.
+ * @param state TRUE to enable the probe, FALSE to disable.
+ *
+ * @return SR_OK on success, or SR_ERR_ARG on invalid arguments.
+ */
+SR_API int sr_dev_probe_enable(const struct sr_dev_inst *sdi, int probenum,
+ gboolean state)
+{
+ GSList *l;
+ struct sr_probe *probe;
+ int ret;
+
+ if (!sdi)
+ return SR_ERR_ARG;
+
+ ret = SR_ERR_ARG;
+ for (l = sdi->probes; l; l = l->next) {
+ probe = l->data;
+ if (probe->index == probenum) {
+ probe->enabled = state;
+ ret = SR_OK;
+ break;
+ }
+ }
+
+ return ret;
+}
+
/**
* Remove all triggers set up for the specified device.
*
* @return SR_OK upon success, SR_ERR_ARG upon invalid arguments.
* If something other than SR_OK is returned, 'dev' is unchanged.
*/
-SR_API int sr_dev_trigger_clear(struct sr_dev *dev)
+SR_API int sr_dev_trigger_remove_all(struct sr_dev *dev)
{
struct sr_probe *p;
unsigned int pnum; /* TODO: uint16_t? */
}
/**
- * Add a trigger to the specified device.
+ * Add a trigger to the specified device (and the specified probe).
+ *
+ * If the specified probe of this device already has a trigger, it will
+ * be silently replaced.
*
* TODO: Better description.
* TODO: Describe valid format of the 'trigger' string.
* upon other errors.
* If something other than SR_OK is returned, 'dev' is unchanged.
*/
-SR_API int sr_dev_trigger_set(struct sr_dev *dev, int probenum,
- const char *trigger)
+SR_API int sr_dev_trigger_set(const struct sr_dev_inst *sdi, int probenum,
+ const char *trigger)
{
- struct sr_probe *p;
+ GSList *l;
+ struct sr_probe *probe;
+ int ret;
- if (!dev) {
- sr_err("dev: %s: dev was NULL", __func__);
+ if (!sdi)
return SR_ERR_ARG;
- }
-
- /* TODO: Sanity check on 'probenum'. */
- /* TODO: Sanity check on 'trigger'. */
-
- p = sr_dev_probe_find(dev, probenum);
- if (!p) {
- sr_err("dev: %s: probe %d not found", __func__, probenum);
- return SR_ERR; /* TODO: More specific error? */
+ ret = SR_ERR_ARG;
+ for (l = sdi->probes; l; l = l->next) {
+ probe = l->data;
+ if (probe->index == probenum) {
+ /* If the probe already has a trigger, kill it first. */
+ g_free(probe->trigger);
+ probe->trigger = g_strdup(trigger);
+ ret = SR_OK;
+ break;
+ }
}
- /* If the probe already has a trigger, kill it first. */
- g_free(p->trigger);
-
- p->trigger = g_strdup(trigger);
-
- return SR_OK;
+ return ret;
}
/**
* Determine whether the specified device has the specified capability.
*
- * TODO: Should return int?
- *
* @param dev Pointer to the device to be checked. Must not be NULL.
- * The device's 'driver' field must not be NULL either.
+ * If the device's 'driver' field is NULL (virtual device), this
+ * function will always return FALSE (virtual devices don't have
+ * a hardware capabilities list).
* @param hwcap The capability that should be checked (whether it's supported
* by the specified device).
*
*/
SR_API gboolean sr_dev_has_hwcap(const struct sr_dev *dev, int hwcap)
{
- int *hwcaps, i;
+ const int *hwcaps;
+ int i;
+
+ sr_spew("dev: %s: requesting hwcap %d", __func__, hwcap);
if (!dev) {
sr_err("dev: %s: dev was NULL", __func__);
- return FALSE; /* TODO: SR_ERR_ARG. */
+ return FALSE;
}
+ /*
+ * Virtual devices (which have dev->driver set to NULL) always say that
+ * they don't have the capability (they can't call hwcap_get_all()).
+ */
if (!dev->driver) {
- sr_err("dev: %s: dev->driver was NULL", __func__);
- return FALSE; /* TODO: SR_ERR_ARG. */
+ sr_dbg("dev: %s: dev->driver was NULL, this seems to be "
+ "a virtual device without capabilities", __func__);
+ return FALSE;
}
/* TODO: Sanity check on 'hwcap'. */
- if (!(hwcaps = dev->driver->hwcap_get_all())) {
+ if (dev->driver->info_get(SR_DI_HWCAPS,
+ (const void **)&hwcaps, NULL) != SR_OK) {
sr_err("dev: %s: dev has no capabilities", __func__);
- return FALSE; /* TODO: SR_ERR*. */
+ return FALSE;
}
for (i = 0; hwcaps[i]; i++) {
projects / libsigrok.git / blobdiff