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Add/use std_hw_dev_acquisition_stop_serial().

This commit is contained in:
Uwe Hermann 2013-02-01 23:45:32 +01:00
parent 17548571cc
commit cd2f0fe22c
9 changed files with 79 additions and 164 deletions
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25
hardware/agilent-dmm/api.c
View File

@ -309,29 +309,8 @@ 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 sr_datafeed_packet packet;
struct dev_context *devc;
if (sdi->status != SR_ST_ACTIVE)
return SR_ERR;
if (!(devc = sdi->priv)) {
sr_err("sdi->priv was NULL.");
return SR_ERR_BUG;
}
sr_dbg("Stopping acquisition.");
sr_source_remove(devc->serial->fd);
hw_dev_close((struct sr_dev_inst *)sdi);
/* Send end packet to the session bus. */
sr_dbg("Sending SR_DF_END.");
packet.type = SR_DF_END;
sr_session_send(cb_data, &packet);
return SR_OK;
return std_hw_dev_acquisition_stop_serial(sdi, cb_data, hw_dev_close,
((struct dev_context *)(sdi->priv))->serial, DRIVER_LOG_DOMAIN);
}
SR_PRIV struct sr_dev_driver agdmm_driver_info = {

26
hardware/brymen-dmm/api.c
View File

@ -296,30 +296,8 @@ 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 sr_datafeed_packet packet;
struct dev_context *devc;
if (sdi->status != SR_ST_ACTIVE) {
sr_err("Device inactive, can't stop acquisition.");
return SR_ERR;
}
if (!(devc = sdi->priv)) {
sr_err("sdi->priv was NULL.");
return SR_ERR_BUG;
}
sr_dbg("Stopping acquisition.");
sr_source_remove(devc->serial->fd);
hw_dev_close((struct sr_dev_inst *)sdi);
/* Send end packet to the session bus. */
sr_dbg("Sending SR_DF_END.");
packet.type = SR_DF_END;
sr_session_send(cb_data, &packet);
return SR_OK;
return std_hw_dev_acquisition_stop_serial(sdi, cb_data, hw_dev_close,
((struct dev_context *)(sdi->priv))->serial, DRIVER_LOG_DOMAIN);
}
SR_PRIV struct sr_dev_driver brymen_bm857_driver_info = {

24
hardware/colead-slm/api.c
View File

@ -255,28 +255,8 @@ 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 sr_datafeed_packet packet;
struct dev_context *devc;
if (sdi->status != SR_ST_ACTIVE)
return SR_ERR;
if (!(devc = sdi->priv)) {
sr_err("sdi->priv was NULL.");
return SR_ERR_BUG;
}
sr_dbg("Stopping acquisition.");
sr_source_remove(devc->serial->fd);
hw_dev_close((struct sr_dev_inst *)sdi);
/* Send end packet to the session bus. */
sr_dbg("Sending SR_DF_END.");
packet.type = SR_DF_END;
sr_session_send(cb_data, &packet);
return SR_OK;
return std_hw_dev_acquisition_stop_serial(sdi, cb_data, hw_dev_close,
((struct dev_context *)(sdi->priv))->serial, DRIVER_LOG_DOMAIN);
}
SR_PRIV struct sr_dev_driver colead_slm_driver_info = {

24
hardware/fluke-dmm/api.c
View File

@ -350,28 +350,8 @@ 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 sr_datafeed_packet packet;
struct dev_context *devc;
if (sdi->status != SR_ST_ACTIVE)
return SR_ERR;
if (!(devc = sdi->priv)) {
sr_err("sdi->priv was NULL.");
return SR_ERR_BUG;
}
sr_dbg("Stopping acquisition.");
sr_source_remove(devc->serial->fd);
hw_dev_close((struct sr_dev_inst *)sdi);
/* Send end packet to the session bus. */
sr_dbg("Sending SR_DF_END.");
packet.type = SR_DF_END;
sr_session_send(cb_data, &packet);
return SR_OK;
return std_hw_dev_acquisition_stop_serial(sdi, cb_data, hw_dev_close,
((struct dev_context *)(sdi->priv))->serial, DRIVER_LOG_DOMAIN);
}
SR_PRIV struct sr_dev_driver flukedmm_driver_info = {

23
hardware/mic-985xx/api.c
View File

@ -277,27 +277,8 @@ 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 sr_datafeed_packet packet;
struct dev_context *devc;
if (sdi->status != SR_ST_ACTIVE) {
sr_err("Device inactive, can't stop acquisition.");
return SR_ERR;
}
devc = sdi->priv;
sr_dbg("Stopping acquisition.");
sr_source_remove(devc->serial->fd);
hw_dev_close((struct sr_dev_inst *)sdi);
/* Send end packet to the session bus. */
sr_dbg("Sending SR_DF_END.");
packet.type = SR_DF_END;
sr_session_send(cb_data, &packet);
return SR_OK;
return std_hw_dev_acquisition_stop_serial(sdi, cb_data, hw_dev_close,
((struct dev_context *)(sdi->priv))->serial, DRIVER_LOG_DOMAIN);
}
/* Driver-specific API function wrappers */

24
hardware/serial-dmm/api.c
View File

@ -439,28 +439,8 @@ 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 sr_datafeed_packet packet;
struct dev_context *devc;
if (sdi->status != SR_ST_ACTIVE)
return SR_ERR;
if (!(devc = sdi->priv)) {
sr_err("sdi->priv was NULL.");
return SR_ERR_BUG;
}
sr_dbg("Stopping acquisition.");
sr_source_remove(devc->serial->fd);
hw_dev_close((struct sr_dev_inst *)sdi);
/* Send end packet to the session bus. */
sr_dbg("Sending SR_DF_END.");
packet.type = SR_DF_END;
sr_session_send(cb_data, &packet);
return SR_OK;
return std_hw_dev_acquisition_stop_serial(sdi, cb_data, hw_dev_close,
((struct dev_context *)(sdi->priv))->serial, DRIVER_LOG_DOMAIN);
}
/* Driver-specific API function wrappers */

31
hardware/tondaj-sl-814/api.c
View File

@ -246,35 +246,8 @@ 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)
{
int ret, final_ret;
struct sr_datafeed_packet packet;
struct dev_context *devc;
final_ret = SR_OK;
if (sdi->status != SR_ST_ACTIVE) {
sr_err("Device inactive, can't stop acquisition.");
return SR_ERR;
}
devc = sdi->priv;
if ((ret = sr_source_remove(devc->serial->fd)) < 0) {
sr_err("Error removing source: %d.", ret);
final_ret = SR_ERR;
}
if ((ret = hw_dev_close(sdi)) < 0) {
sr_err("Error closing device: %d.", ret);
final_ret = SR_ERR;
}
/* Send end packet to the session bus. */
sr_dbg("Sending SR_DF_END.");
packet.type = SR_DF_END;
sr_session_send(cb_data, &packet);
return final_ret;
return std_hw_dev_acquisition_stop_serial(sdi, cb_data, hw_dev_close,
((struct dev_context *)(sdi->priv))->serial, DRIVER_LOG_DOMAIN);
}
SR_PRIV struct sr_dev_driver tondaj_sl_814_driver_info = {

6
libsigrok-internal.h
View File

@ -125,9 +125,13 @@ SR_PRIV int sr_session_send(const struct sr_dev_inst *sdi,
/*--- std.c -----------------------------------------------------------------*/
typedef int (*dev_close_t)(struct sr_dev_inst *sdi);
SR_PRIV int std_hw_init(struct sr_context *sr_ctx, struct sr_dev_driver *di,
const char *prefix);
SR_PRIV int std_hw_dev_acquisition_stop_serial(struct sr_dev_inst *sdi,
void *cb_data, dev_close_t hw_dev_close_fn,
struct sr_serial_dev_inst *serial, const char *prefix);
SR_PRIV int std_session_send_df_header(const struct sr_dev_inst *sdi,
const char *prefix);

60
std.c
View File

@ -99,3 +99,63 @@ SR_PRIV int std_session_send_df_header(const struct sr_dev_inst *sdi,
return SR_OK;
}
/*
* Standard sr_session_stop() API helper.
*
* This function can be used to simplify most (serial port based) driver's
* hw_dev_acquisition_stop() API callback.
*
* @param sdi The device instance for which acquisition should stop.
* Must not be NULL.
* @param cb_data Opaque 'cb_data' pointer. Must not be NULL.
* @param hw_dev_close_fn Function pointer to the driver's hw_dev_close().
* Must not be NULL.
* @param serial The serial device instance (struct serial_dev_inst *).
* Must not be NULL.
* @param prefix A driver-specific prefix string used for log messages.
* Must not be NULL. An empty string is allowed.
*
* @return SR_OK upon success, SR_ERR_ARG upon invalid arguments, or
* SR_ERR upon other errors.
*/
SR_PRIV int std_hw_dev_acquisition_stop_serial(struct sr_dev_inst *sdi,
void *cb_data, dev_close_t hw_dev_close_fn,
struct sr_serial_dev_inst *serial, const char *prefix)
{
int ret;
struct sr_datafeed_packet packet;
if (!prefix) {
sr_err("Invalid prefix.");
return SR_ERR_ARG;
}
if (sdi->status != SR_ST_ACTIVE) {
sr_err("%sDevice inactive, can't stop acquisition.", prefix);
return SR_ERR;
}
sr_dbg("%sStopping acquisition.", prefix);
if ((ret = sr_source_remove(serial->fd)) < 0) {
sr_err("%sFailed to remove source: %d.", prefix, ret);
return ret;
}
if ((ret = hw_dev_close_fn(sdi)) < 0) {
sr_err("%sFailed to close device: %d.", prefix, ret);
return ret;
}
/* Send SR_DF_END packet to the session bus. */
sr_dbg("%sSending SR_DF_END packet.", prefix);
packet.type = SR_DF_END;
packet.payload = NULL;
if ((ret = sr_session_send(cb_data, &packet)) < 0) {
sr_err("%sFailed to send SR_DF_END packet: %d.", prefix, ret);
return ret;
}
return SR_OK;
}