BLAHAJ
/
libsigrok
10
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

demo: Keep a pointer to dev_context in sr_dev_inst and vice-versa

This commit is contained in:
Joel Holdsworth 2013-04-14 15:46:15 +01:00 committed by Bert Vermeulen
parent e053204700
commit 33ef757383
1 changed files with 16 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
hardware/demo/demo.c
View File

@ -81,6 +81,7 @@ enum {
/* Private, per-device-instance driver context. */
struct dev_context {
struct sr_dev_inst *sdi;
int pipe_fds[2];
GIOChannel *channel;
uint8_t sample_generator;
@ -160,6 +161,7 @@ static GSList *hw_scan(GSList *options)
struct sr_dev_inst *sdi;
struct sr_probe *probe;
struct drv_context *drvc;
struct dev_context *devc;
GSList *devices;
int i;
@ -186,6 +188,16 @@ static GSList *hw_scan(GSList *options)
devices = g_slist_append(devices, sdi);
drvc->instances = g_slist_append(drvc->instances, sdi);
/* TODO: 'devc' is never g_free()'d? */
if (!(devc = g_try_malloc(sizeof(struct dev_context)))) {
sr_err("%s: devc malloc failed", __func__);
return SR_ERR_MALLOC;
}
devc->sdi = sdi;
sdi->priv = devc;
return devices;
}
@ -412,7 +424,7 @@ static int receive_data(int fd, int revents, void *cb_data)
if (limit_samples && devc->samples_counter >= limit_samples) {
sr_info("Requested number of samples reached.");
hw_dev_acquisition_stop(NULL, cb_data);
hw_dev_acquisition_stop(devc->sdi, cb_data);
return TRUE;
}
@ -422,15 +434,7 @@ static int receive_data(int fd, int revents, void *cb_data)
static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
void *cb_data)
{
struct dev_context *devc;
(void)sdi;
/* TODO: 'devc' is never g_free()'d? */
if (!(devc = g_try_malloc(sizeof(struct dev_context)))) {
sr_err("%s: devc malloc failed", __func__);
return SR_ERR_MALLOC;
}
struct dev_context *const devc = sdi->priv;
devc->sample_generator = default_pattern;
devc->cb_data = cb_data;
@ -473,12 +477,10 @@ static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
{
struct dev_context *devc;
struct dev_context *const devc = sdi->priv;
struct sr_datafeed_packet packet;
(void)sdi;
devc = cb_data;
(void)cb_data;
sr_dbg("Stopping aquisition.");