X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fscpi%2Fscpi.c;h=c3c2f7130e5c14d00a0eef3ed0af90be5bd89d50;hb=2c24077466a299ead689c90f01f55f6d86c7386b;hp=8cf62ad4e06710e1069101a987e211a528411111;hpb=5a1afc0907abfee5848484f944789213d6be9752;p=libsigrok.git
diff --git a/src/scpi/scpi.c b/src/scpi/scpi.c
index 8cf62ad4..c3c2f713 100644
--- a/src/scpi/scpi.c
+++ b/src/scpi/scpi.c
@@ -17,6 +17,7 @@
* along with this program. If not, see .
*/
+#include
#include
#include
#include
@@ -109,12 +110,16 @@ static struct sr_dev_inst *sr_scpi_scan_resource(struct drv_context *drvc,
return NULL;
};
- if ((sdi = probe_device(scpi)))
- return sdi;
+ sdi = probe_device(scpi);
sr_scpi_close(scpi);
- sr_scpi_free(scpi);
- return NULL;
+
+ if (sdi)
+ sdi->status = SR_ST_INACTIVE;
+ else
+ sr_scpi_free(scpi);
+
+ return sdi;
}
SR_PRIV GSList *sr_scpi_scan(struct drv_context *drvc, GSList *options,
@@ -209,7 +214,7 @@ SR_PRIV struct sr_scpi_dev_inst *scpi_dev_inst_new(struct drv_context *drvc,
*/
SR_PRIV int sr_scpi_open(struct sr_scpi_dev_inst *scpi)
{
- return scpi->open(scpi->priv);
+ return scpi->open(scpi);
}
/**
@@ -351,7 +356,7 @@ SR_PRIV int sr_scpi_read_complete(struct sr_scpi_dev_inst *scpi)
*/
SR_PRIV int sr_scpi_close(struct sr_scpi_dev_inst *scpi)
{
- return scpi->close(scpi->priv);
+ return scpi->close(scpi);
}
/**
@@ -375,7 +380,7 @@ SR_PRIV void sr_scpi_free(struct sr_scpi_dev_inst *scpi)
* @param command The SCPI command to send to the device (can be NULL).
* @param scpi_response Pointer where to store the SCPI response.
*
- * @return SR_OK on success, SR_ERR on failure.
+ * @return SR_OK on success, SR_ERR* on failure.
*/
SR_PRIV int sr_scpi_get_string(struct sr_scpi_dev_inst *scpi,
const char *command, char **scpi_response)
@@ -425,10 +430,10 @@ SR_PRIV int sr_scpi_get_string(struct sr_scpi_dev_inst *scpi,
if (response->len >= 1 && response->str[response->len - 1] == '\r')
g_string_truncate(response, response->len - 1);
- *scpi_response = response->str;
- g_string_free(response, FALSE);
+ sr_spew("Got response: '%.70s', length %" G_GSIZE_FORMAT ".",
+ response->str, response->len);
- sr_spew("Got response: '%.70s', length %d.", *scpi_response, strlen(*scpi_response));
+ *scpi_response = g_string_free(response, FALSE);
return SR_OK;
}
@@ -441,7 +446,7 @@ SR_PRIV int sr_scpi_get_string(struct sr_scpi_dev_inst *scpi,
* @param command The SCPI command to send to the device (can be NULL).
* @param scpi_response Pointer where to store the parsed result.
*
- * @return SR_OK on success, SR_ERR on failure.
+ * @return SR_OK on success, SR_ERR* on failure.
*/
SR_PRIV int sr_scpi_get_bool(struct sr_scpi_dev_inst *scpi,
const char *command, gboolean *scpi_response)
@@ -451,14 +456,14 @@ SR_PRIV int sr_scpi_get_bool(struct sr_scpi_dev_inst *scpi,
response = NULL;
- if (sr_scpi_get_string(scpi, command, &response) != SR_OK)
- if (!response)
- return SR_ERR;
+ ret = sr_scpi_get_string(scpi, command, &response);
+ if (ret != SR_OK && !response)
+ return ret;
if (parse_strict_bool(response, scpi_response) == SR_OK)
ret = SR_OK;
else
- ret = SR_ERR;
+ ret = SR_ERR_DATA;
g_free(response);
@@ -473,7 +478,7 @@ SR_PRIV int sr_scpi_get_bool(struct sr_scpi_dev_inst *scpi,
* @param command The SCPI command to send to the device (can be NULL).
* @param scpi_response Pointer where to store the parsed result.
*
- * @return SR_OK on success, SR_ERR on failure.
+ * @return SR_OK on success, SR_ERR* on failure.
*/
SR_PRIV int sr_scpi_get_int(struct sr_scpi_dev_inst *scpi,
const char *command, int *scpi_response)
@@ -483,14 +488,14 @@ SR_PRIV int sr_scpi_get_int(struct sr_scpi_dev_inst *scpi,
response = NULL;
- if (sr_scpi_get_string(scpi, command, &response) != SR_OK)
- if (!response)
- return SR_ERR;
+ ret = sr_scpi_get_string(scpi, command, &response);
+ if (ret != SR_OK && !response)
+ return ret;
if (sr_atoi(response, scpi_response) == SR_OK)
ret = SR_OK;
else
- ret = SR_ERR;
+ ret = SR_ERR_DATA;
g_free(response);
@@ -505,7 +510,7 @@ SR_PRIV int sr_scpi_get_int(struct sr_scpi_dev_inst *scpi,
* @param command The SCPI command to send to the device (can be NULL).
* @param scpi_response Pointer where to store the parsed result.
*
- * @return SR_OK on success, SR_ERR on failure.
+ * @return SR_OK on success, SR_ERR* on failure.
*/
SR_PRIV int sr_scpi_get_float(struct sr_scpi_dev_inst *scpi,
const char *command, float *scpi_response)
@@ -515,14 +520,14 @@ SR_PRIV int sr_scpi_get_float(struct sr_scpi_dev_inst *scpi,
response = NULL;
- if (sr_scpi_get_string(scpi, command, &response) != SR_OK)
- if (!response)
- return SR_ERR;
+ ret = sr_scpi_get_string(scpi, command, &response);
+ if (ret != SR_OK && !response)
+ return ret;
if (sr_atof_ascii(response, scpi_response) == SR_OK)
ret = SR_OK;
else
- ret = SR_ERR;
+ ret = SR_ERR_DATA;
g_free(response);
@@ -537,7 +542,7 @@ SR_PRIV int sr_scpi_get_float(struct sr_scpi_dev_inst *scpi,
* @param command The SCPI command to send to the device (can be NULL).
* @param scpi_response Pointer where to store the parsed result.
*
- * @return SR_OK on success, SR_ERR on failure.
+ * @return SR_OK on success, SR_ERR* on failure.
*/
SR_PRIV int sr_scpi_get_double(struct sr_scpi_dev_inst *scpi,
const char *command, double *scpi_response)
@@ -547,14 +552,14 @@ SR_PRIV int sr_scpi_get_double(struct sr_scpi_dev_inst *scpi,
response = NULL;
- if (sr_scpi_get_string(scpi, command, &response) != SR_OK)
- if (!response)
- return SR_ERR;
+ ret = sr_scpi_get_string(scpi, command, &response);
+ if (ret != SR_OK && !response)
+ return ret;
if (sr_atod(response, scpi_response) == SR_OK)
ret = SR_OK;
else
- ret = SR_ERR;
+ ret = SR_ERR_DATA;
g_free(response);
@@ -567,7 +572,7 @@ SR_PRIV int sr_scpi_get_double(struct sr_scpi_dev_inst *scpi,
*
* @param scpi Previously initialised SCPI device structure.
*
- * @return SR_OK on success, SR_ERR on failure.
+ * @return SR_OK on success, SR_ERR* on failure.
*/
SR_PRIV int sr_scpi_get_opc(struct sr_scpi_dev_inst *scpi)
{
@@ -592,7 +597,7 @@ SR_PRIV int sr_scpi_get_opc(struct sr_scpi_dev_inst *scpi)
* @param command The SCPI command to send to the device (can be NULL).
* @param scpi_response Pointer where to store the parsed result.
*
- * @return SR_OK upon successfully parsing all values, SR_ERR upon a parsing
+ * @return SR_OK upon successfully parsing all values, SR_ERR* upon a parsing
* error or upon no response. The allocated response must be freed by
* the caller in the case of an SR_OK as well as in the case of
* parsing error.
@@ -606,13 +611,12 @@ SR_PRIV int sr_scpi_get_floatv(struct sr_scpi_dev_inst *scpi,
gchar **ptr, **tokens;
GArray *response_array;
- ret = SR_OK;
response = NULL;
tokens = NULL;
- if (sr_scpi_get_string(scpi, command, &response) != SR_OK)
- if (!response)
- return SR_ERR;
+ ret = sr_scpi_get_string(scpi, command, &response);
+ if (ret != SR_OK && !response)
+ return ret;
tokens = g_strsplit(response, ",", 0);
ptr = tokens;
@@ -624,17 +628,17 @@ SR_PRIV int sr_scpi_get_floatv(struct sr_scpi_dev_inst *scpi,
response_array = g_array_append_val(response_array,
tmp);
else
- ret = SR_ERR;
+ ret = SR_ERR_DATA;
ptr++;
}
g_strfreev(tokens);
g_free(response);
- if (ret == SR_ERR && response_array->len == 0) {
+ if (ret != SR_OK && response_array->len == 0) {
g_array_free(response_array, TRUE);
*scpi_response = NULL;
- return SR_ERR;
+ return SR_ERR_DATA;
}
*scpi_response = response_array;
@@ -650,7 +654,7 @@ SR_PRIV int sr_scpi_get_floatv(struct sr_scpi_dev_inst *scpi,
* @param command The SCPI command to send to the device (can be NULL).
* @param scpi_response Pointer where to store the parsed result.
*
- * @return SR_OK upon successfully parsing all values, SR_ERR upon a parsing
+ * @return SR_OK upon successfully parsing all values, SR_ERR* upon a parsing
* error or upon no response. The allocated response must be freed by
* the caller in the case of an SR_OK as well as in the case of
* parsing error.
@@ -663,13 +667,12 @@ SR_PRIV int sr_scpi_get_uint8v(struct sr_scpi_dev_inst *scpi,
gchar **ptr, **tokens;
GArray *response_array;
- ret = SR_OK;
response = NULL;
tokens = NULL;
- if (sr_scpi_get_string(scpi, command, &response) != SR_OK)
- if (!response)
- return SR_ERR;
+ ret = sr_scpi_get_string(scpi, command, &response);
+ if (ret != SR_OK && !response)
+ return ret;
tokens = g_strsplit(response, ",", 0);
ptr = tokens;
@@ -681,7 +684,7 @@ SR_PRIV int sr_scpi_get_uint8v(struct sr_scpi_dev_inst *scpi,
response_array = g_array_append_val(response_array,
tmp);
else
- ret = SR_ERR;
+ ret = SR_ERR_DATA;
ptr++;
}
@@ -691,7 +694,7 @@ SR_PRIV int sr_scpi_get_uint8v(struct sr_scpi_dev_inst *scpi,
if (response_array->len == 0) {
g_array_free(response_array, TRUE);
*scpi_response = NULL;
- return SR_ERR;
+ return SR_ERR_DATA;
}
*scpi_response = response_array;
@@ -708,12 +711,12 @@ SR_PRIV int sr_scpi_get_uint8v(struct sr_scpi_dev_inst *scpi,
* @param scpi Previously initialised SCPI device structure.
* @param scpi_response Pointer where to store the hw_info structure.
*
- * @return SR_OK upon success, SR_ERR on failure.
+ * @return SR_OK upon success, SR_ERR* on failure.
*/
SR_PRIV int sr_scpi_get_hw_id(struct sr_scpi_dev_inst *scpi,
struct sr_scpi_hw_info **scpi_response)
{
- int num_tokens;
+ int num_tokens, ret;
char *response;
gchar **tokens;
struct sr_scpi_hw_info *hw_info;
@@ -721,9 +724,9 @@ SR_PRIV int sr_scpi_get_hw_id(struct sr_scpi_dev_inst *scpi,
response = NULL;
tokens = NULL;
- if (sr_scpi_get_string(scpi, SCPI_CMD_IDN, &response) != SR_OK)
- if (!response)
- return SR_ERR;
+ ret = sr_scpi_get_string(scpi, SCPI_CMD_IDN, &response);
+ if (ret != SR_OK && !response)
+ return ret;
sr_info("Got IDN string: '%s'", response);
@@ -740,15 +743,15 @@ SR_PRIV int sr_scpi_get_hw_id(struct sr_scpi_dev_inst *scpi,
sr_dbg("IDN response not according to spec: %80.s.", response);
g_strfreev(tokens);
g_free(response);
- return SR_ERR;
+ return SR_ERR_DATA;
}
g_free(response);
hw_info = g_malloc0(sizeof(struct sr_scpi_hw_info));
- hw_info->manufacturer = g_strdup(tokens[0]);
- hw_info->model = g_strdup(tokens[1]);
- hw_info->serial_number = g_strdup(tokens[2]);
- hw_info->firmware_version = g_strdup(tokens[3]);
+ hw_info->manufacturer = g_strstrip(g_strdup(tokens[0]));
+ hw_info->model = g_strstrip(g_strdup(tokens[1]));
+ hw_info->serial_number = g_strstrip(g_strdup(tokens[2]));
+ hw_info->firmware_version = g_strstrip(g_strdup(tokens[3]));
g_strfreev(tokens);