*/
#include <string.h>
-
#include "protocol.h"
/* Serial communication parameters for Metrahit 1x/2x with 'RS232' adaptor */
#define VENDOR_GMC "Gossen Metrawatt"
SR_PRIV struct sr_dev_driver gmc_mh_1x_2x_rs232_driver_info;
+static struct sr_dev_driver *di = &gmc_mh_1x_2x_rs232_driver_info;
static const int32_t hwopts[] = {
SR_CONF_CONN,
SR_CONF_CONTINUOUS,
};
-/** Driver init function */
static int init_1x_2x_rs232(struct sr_context *sr_ctx)
{
- return std_init(sr_ctx, &gmc_mh_1x_2x_rs232_driver_info, LOG_PREFIX);
+ return std_init(sr_ctx, di, LOG_PREFIX);
}
-
-/** Read single byte from serial port.
- * \retval -1 Timeout or error.
- * \retval other Byte.
+/**
+ * Read single byte from serial port.
+ *
+ * @retval -1 Timeout or error.
+ * @retval other Byte.
*/
static int read_byte(struct sr_serial_dev_inst *serial, gint64 timeout)
{
- guint8 result = 0;
+ uint8_t result = 0;
int rc = 0;
for (;;) {
}
}
-/** Try to detect GMC 1x/2x multimeter model in send mode for max. 1 second.
- * \param serial Configured, open serial port.
+/**
+ * Try to detect GMC 1x/2x multimeter model in send mode for max. 1 second.
*
- * \retval NULL Detection failed.
- * \retval other Model code.
+ * @param serial Configured, open serial port.
+ *
+ * @retval NULL Detection failed.
+ * @retval other Model code.
*/
static enum model scan_model_sm(struct sr_serial_dev_inst *serial)
{
enum model model;
gint64 timeout_us;
- model = SR_METRAHIT_NONE;
- timeout_us = g_get_monotonic_time() + 1*1000*1000;
+ model = METRAHIT_NONE;
+ timeout_us = g_get_monotonic_time() + 1 * 1000 * 1000;
- /* Try to find message consisting of device code and several
- * (at least 4) data bytes. */
+ /*
+ * Try to find message consisting of device code and several
+ * (at least 4) data bytes.
+ */
for (bytecnt = 0; bytecnt < 100; bytecnt++) {
byte = read_byte(serial, timeout_us);
if ((byte == -1) || (timeout_us < g_get_monotonic_time()))
break;
if ((byte & MSGID_MASK) == MSGID_INF) {
- if (!(model = sr_gmc_decode_model_sm(byte & MSGC_MASK)))
+ if (!(model = gmc_decode_model_sm(byte & MSGC_MASK)))
break;
- /* Now expect (at least) 4 data bytes */
+ /* Now expect (at least) 4 data bytes. */
for (cnt = 0; cnt < 4; cnt++) {
byte = read_byte(serial, timeout_us);
if ((byte == -1) ||
((byte & MSGID_MASK) != MSGID_DATA))
{
- model = SR_METRAHIT_NONE;
+ model = METRAHIT_NONE;
bytecnt = 100;
break;
}
return model;
}
-/** Scan for Metrahit 1x and Metrahit 2x in send mode using Gossen Metrawatt
- * 'RS232' interface. The older 1x models use 8192 and the newer 2x 9600 baud.
- * The DMM usually sends up to about 20 messages per second. However, depending
- * on configuration and measurement mode the intervals can be much larger and
- * then the detection might not work.
+/**
+ * Scan for Metrahit 1x and Metrahit 2x in send mode using Gossen Metrawatt
+ * 'RS232' interface.
+ *
+ * The older 1x models use 8192 baud and the newer 2x 9600 baud.
+ * The DMM usually sends up to about 20 messages per second. However, depending
+ * on configuration and measurement mode the intervals can be much larger and
+ * then the detection might not work.
*/
static GSList *scan_1x_2x_rs232(GSList *options)
{
const char *conn, *serialcomm;
enum model model;
gboolean serialcomm_given;
- int cnt;
devices = NULL;
- drvc = (&gmc_mh_1x_2x_rs232_driver_info)->priv;
+ drvc = di->priv;
drvc->instances = NULL;
conn = serialcomm = NULL;
- model = SR_METRAHIT_NONE;
+ model = METRAHIT_NONE;
serialcomm_given = FALSE;
sr_spew("scan_1x_2x_rs232() called!");
model = scan_model_sm(serial);
- /* If detection failed and no user-supplied parameters,
- * try second baud rate. */
- if ((model == SR_METRAHIT_NONE) && !serialcomm_given) {
+ /*
+ * If detection failed and no user-supplied parameters,
+ * try second baud rate.
+ */
+ if ((model == METRAHIT_NONE) && !serialcomm_given) {
serialcomm = SERIALCOMM_1X_RS232;
g_free(serial->serialcomm);
serial->serialcomm = g_strdup(serialcomm);
}
}
- if (model != SR_METRAHIT_NONE) {
- sr_spew("%s %s detected!", VENDOR_GMC, sr_gmc_model_str(model));
+ if (model != METRAHIT_NONE) {
+ sr_spew("%s %s detected!", VENDOR_GMC, gmc_model_str(model));
if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, VENDOR_GMC,
- sr_gmc_model_str(model), "")))
+ gmc_model_str(model), "")))
return NULL;
if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
sr_err("Device context malloc failed.");
sdi->conn = serial;
sdi->priv = devc;
- sdi->driver = &gmc_mh_1x_2x_rs232_driver_info;
+ sdi->driver = di;
if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "P1")))
return NULL;
sdi->probes = g_slist_append(sdi->probes, probe);
return devices;
}
-/** Driver device list function */
static GSList *dev_list_1x_2x_rs232(void)
{
- return ((struct drv_context *)(gmc_mh_1x_2x_rs232_driver_info.priv))
- ->instances;
+ return ((struct drv_context *)(di->priv))->instances;
}
static int dev_clear_1x_2x_rs232(void)
{
- return std_dev_clear(&gmc_mh_1x_2x_rs232_driver_info, NULL);
-}
-
-static int dev_open(struct sr_dev_inst *sdi)
-{
- struct sr_serial_dev_inst *serial = sdi->conn;
- if (serial_open(serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK)
- return SR_ERR;
-
- sdi->status = SR_ST_ACTIVE;
-
- return SR_OK;
+ return std_dev_clear(di, NULL);
}
static int dev_close(struct sr_dev_inst *sdi)
if ((devc = sdi->priv) && devc->elapsed_msec) {
g_timer_destroy(devc->elapsed_msec);
devc->elapsed_msec = NULL;
- devc->model = SR_METRAHIT_NONE;
+ devc->model = METRAHIT_NONE;
}
return SR_OK;
const struct sr_probe_group *probe_group)
{
(void)sdi;
+ (void)probe_group;
switch (key) {
case SR_CONF_SCAN_OPTIONS:
}
static int dev_acq_start_1x_2x_rs232(const struct sr_dev_inst *sdi,
- void *cb_data)
+ void *cb_data)
{
struct dev_context *devc;
struct sr_serial_dev_inst *serial;
.config_get = config_get,
.config_set = config_set,
.config_list = config_list,
- .dev_open = dev_open,
+ .dev_open = std_serial_dev_open,
.dev_close = dev_close,
.dev_acquisition_start = dev_acq_start_1x_2x_rs232,
.dev_acquisition_stop = dev_acq_stop,
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