X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fhardware%2Fopenbench-logic-sniffer%2Fapi.c;h=56161c5bcd7d5bbfda08e84e6ab0362881d4d426;hb=dd5c48a6d567a3cac62c4b0058588273bbeea171;hp=9d1e060720e2465f4043b2ae7f47bc968865b545;hpb=4f840ce965b1c30c5ab75afecc56193cbaf5c1b3;p=libsigrok.git
diff --git a/src/hardware/openbench-logic-sniffer/api.c b/src/hardware/openbench-logic-sniffer/api.c
index 9d1e0607..56161c5b 100644
--- a/src/hardware/openbench-logic-sniffer/api.c
+++ b/src/hardware/openbench-logic-sniffer/api.c
@@ -17,8 +17,8 @@
* along with this program. If not, see .
*/
+#include
#include "protocol.h"
-#include
#define SERIALCOMM "115200/8n1"
@@ -70,11 +70,10 @@ static const char *patterns[] = {
};
/* Channels are numbered 0-31 (on the PCB silkscreen). */
-SR_PRIV const char *ols_channel_names[NUM_CHANNELS + 1] = {
+SR_PRIV const char *ols_channel_names[] = {
"0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12",
"13", "14", "15", "16", "17", "18", "19", "20", "21", "22", "23",
"24", "25", "26", "27", "28", "29", "30", "31",
- NULL,
};
/* Default supported samplerates, can be overridden by device metadata. */
@@ -84,26 +83,21 @@ static const uint64_t samplerates[] = {
SR_HZ(1),
};
-SR_PRIV struct sr_dev_driver ols_driver_info;
-
-static int init(struct sr_dev_driver *di, struct sr_context *sr_ctx)
-{
- return std_init(sr_ctx, di, LOG_PREFIX);
-}
+#define RESPONSE_DELAY_US (10 * 1000)
static GSList *scan(struct sr_dev_driver *di, GSList *options)
{
struct sr_config *src;
struct sr_dev_inst *sdi;
struct drv_context *drvc;
- struct dev_context *devc;
struct sr_serial_dev_inst *serial;
GSList *l, *devices;
- int ret, i;
+ int ret;
+ unsigned int i;
const char *conn, *serialcomm;
char buf[8];
- drvc = di->priv;
+ drvc = di->context;
devices = NULL;
@@ -122,7 +116,7 @@ static GSList *scan(struct sr_dev_driver *di, GSList *options)
if (!conn)
return NULL;
- if (serialcomm == NULL)
+ if (!serialcomm)
serialcomm = SERIALCOMM;
serial = sr_serial_dev_inst_new(conn, serialcomm);
@@ -151,8 +145,7 @@ static GSList *scan(struct sr_dev_driver *di, GSList *options)
}
send_shortcommand(serial, CMD_ID);
- /* Wait 10ms for a response. */
- g_usleep(10000);
+ g_usleep(RESPONSE_DELAY_US);
if (sp_input_waiting(serial->data) == 0) {
sr_dbg("Didn't get any reply.");
@@ -176,13 +169,11 @@ static GSList *scan(struct sr_dev_driver *di, GSList *options)
*/
send_shortcommand(serial, CMD_METADATA);
- /* Wait 10ms for a response. */
- g_usleep(10000);
+ g_usleep(RESPONSE_DELAY_US);
if (sp_input_waiting(serial->data) != 0) {
/* Got metadata. */
sdi = get_metadata(serial);
- devc = sdi->priv;
} else {
/* Not an OLS -- some other board that uses the sump protocol. */
sr_info("Device does not support metadata.");
@@ -192,11 +183,10 @@ static GSList *scan(struct sr_dev_driver *di, GSList *options)
sdi->model = g_strdup("Logic Analyzer");
sdi->version = g_strdup("v1.0");
sdi->driver = di;
- for (i = 0; i < 32; i++)
+ for (i = 0; i < ARRAY_SIZE(ols_channel_names); i++)
sr_channel_new(sdi, i, SR_CHANNEL_LOGIC, TRUE,
ols_channel_names[i]);
- devc = ols_dev_new();
- sdi->priv = devc;
+ sdi->priv = ols_dev_new();
}
/* Configure samplerate and divider. */
if (ols_set_samplerate(sdi, DEFAULT_SAMPLERATE) != SR_OK)
@@ -213,16 +203,6 @@ static GSList *scan(struct sr_dev_driver *di, GSList *options)
return devices;
}
-static GSList *dev_list(const struct sr_dev_driver *di)
-{
- return ((struct drv_context *)(di->priv))->instances;
-}
-
-static int cleanup(const struct sr_dev_driver *di)
-{
- return std_dev_clear(di, NULL);
-}
-
static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
const struct sr_channel_group *cg)
{
@@ -294,10 +274,9 @@ static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sd
break;
case SR_CONF_CAPTURE_RATIO:
devc->capture_ratio = g_variant_get_uint64(data);
- if (devc->capture_ratio < 0 || devc->capture_ratio > 100) {
- devc->capture_ratio = 0;
+ if (devc->capture_ratio < 0 || devc->capture_ratio > 100)
ret = SR_ERR;
- } else
+ else
ret = SR_OK;
break;
case SR_CONF_EXTERNAL_CLOCK:
@@ -467,8 +446,7 @@ static int set_trigger(const struct sr_dev_inst *sdi, int stage)
return SR_OK;
}
-static int dev_acquisition_start(const struct sr_dev_inst *sdi,
- void *cb_data)
+static int dev_acquisition_start(const struct sr_dev_inst *sdi)
{
struct dev_context *devc;
struct sr_serial_dev_inst *serial;
@@ -574,19 +552,19 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi,
devc->cnt_bytes = devc->cnt_samples = devc->cnt_samples_rle = 0;
memset(devc->sample, 0, 4);
- /* Send header packet to the session bus. */
- std_session_send_df_header(cb_data, LOG_PREFIX);
+ std_session_send_df_header(sdi, LOG_PREFIX);
- serial_source_add(sdi->session, serial, G_IO_IN, -1,
- ols_receive_data, cb_data);
+ /* If the device stops sending for longer than it takes to send a byte,
+ * that means it's finished. But wait at least 100 ms to be safe.
+ */
+ serial_source_add(sdi->session, serial, G_IO_IN, 100,
+ ols_receive_data, (struct sr_dev_inst *)sdi);
return SR_OK;
}
-static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
+static int dev_acquisition_stop(struct sr_dev_inst *sdi)
{
- (void)cb_data;
-
abort_acquisition(sdi);
return SR_OK;
@@ -596,10 +574,10 @@ SR_PRIV struct sr_dev_driver ols_driver_info = {
.name = "ols",
.longname = "Openbench Logic Sniffer",
.api_version = 1,
- .init = init,
- .cleanup = cleanup,
+ .init = std_init,
+ .cleanup = std_cleanup,
.scan = scan,
- .dev_list = dev_list,
+ .dev_list = std_dev_list,
.dev_clear = NULL,
.config_get = config_get,
.config_set = config_set,
@@ -608,5 +586,6 @@ SR_PRIV struct sr_dev_driver ols_driver_info = {
.dev_close = std_serial_dev_close,
.dev_acquisition_start = dev_acquisition_start,
.dev_acquisition_stop = dev_acquisition_stop,
- .priv = NULL,
+ .context = NULL,
};
+SR_REGISTER_DEV_DRIVER(ols_driver_info);