/*
* This file is part of the libsigrok project.
*
+ * Copyright (C) 2022 Gerhard Sittig <gerhard.sittig@gmx.net>
* Copyright (C) 2020 Florian Schmidt <schmidt_florian@gmx.de>
* Copyright (C) 2013 Marcus Comstedt <marcus@mc.pp.se>
* Copyright (C) 2013 Bert Vermeulen <bert@biot.com>
static const uint32_t drvopts[] = {
SR_CONF_LOGIC_ANALYZER,
+ SR_CONF_SIGNAL_GENERATOR,
};
static const uint32_t devopts[] = {
SR_CONF_SAMPLERATE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
SR_CONF_LIMIT_MSEC | SR_CONF_GET | SR_CONF_SET,
+#if WITH_THRESHOLD_DEVCFG
SR_CONF_VOLTAGE_THRESHOLD | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
- SR_CONF_LOGIC_THRESHOLD | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
- SR_CONF_LOGIC_THRESHOLD_CUSTOM | SR_CONF_GET | SR_CONF_SET,
+#endif
SR_CONF_TRIGGER_MATCH | SR_CONF_LIST,
SR_CONF_CAPTURE_RATIO | SR_CONF_GET | SR_CONF_SET,
};
+static const uint32_t devopts_cg_logic[] = {
+#if !WITH_THRESHOLD_DEVCFG
+ SR_CONF_VOLTAGE_THRESHOLD | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
+#endif
+};
+
+static const uint32_t devopts_cg_pwm[] = {
+ SR_CONF_ENABLED | SR_CONF_GET | SR_CONF_SET,
+ SR_CONF_OUTPUT_FREQUENCY | SR_CONF_GET | SR_CONF_SET,
+ SR_CONF_DUTY_CYCLE | SR_CONF_GET | SR_CONF_SET,
+};
+
static const int32_t trigger_matches[] = {
SR_TRIGGER_ZERO,
SR_TRIGGER_ONE,
"CH24", "CH25", "CH26", "CH27", "CH28", "CH29", "CH30", "CH31",
};
+static const char *channel_names_pwm[] = {
+ "PWM1", "PWM2",
+};
+
/*
* The hardware uses a 100/200/500MHz base clock (model dependent) and
* a 16bit divider (common across all models). The range from 10kHz to
SR_MHZ(100),
};
-static const float logic_threshold_value[] = {
- 1.58,
- 2.5,
- 1.165,
- 1.5,
- 1.25,
- 0.9,
- 0.75,
- 0.60,
- 0.45,
+/*
+ * Only list a few discrete voltages, to form a useful set which covers
+ * most logic families. Too many choices can make some applications use
+ * a slider again. Which may lack a scale for the current value, and
+ * leave users without feedback what the currently used value might be.
+ */
+static const double threshold_ranges[][2] = {
+ { 0.4, 0.4, },
+ { 0.6, 0.6, },
+ { 0.9, 0.9, },
+ { 1.2, 1.2, },
+ { 1.4, 1.4, }, /* Default, 1.4V, index 4. */
+ { 2.0, 2.0, },
+ { 2.5, 2.5, },
+ { 4.0, 4.0, },
};
+#define LOGIC_THRESHOLD_IDX_DFLT 4
-static const char *logic_threshold[] = {
- "TTL 5V",
- "CMOS 5V",
- "CMOS 3.3V",
- "CMOS 3.0V",
- "CMOS 2.5V",
- "CMOS 1.8V",
- "CMOS 1.5V",
- "CMOS 1.2V",
- "CMOS 0.9V",
- "USER",
-};
+static double threshold_voltage(const struct sr_dev_inst *sdi, double *high)
+{
+ struct dev_context *devc;
+ size_t idx;
+ double voltage;
+
+ devc = sdi->priv;
+ idx = devc->threshold_voltage_idx;
+ voltage = threshold_ranges[idx][0];
+ if (high)
+ *high = threshold_ranges[idx][1];
-#define LOGIC_THRESHOLD_IDX_USER (ARRAY_SIZE(logic_threshold) - 1)
+ return voltage;
+}
/* Convenience. Release an allocated devc from error paths. */
static void kingst_la2016_free_devc(struct dev_context *devc)
char conn_id[64];
int ret;
size_t ch_off, ch_max;
+ struct sr_channel *ch;
+ struct sr_channel_group *cg;
drvc = di->context;
ctx = drvc->sr_ctx;;
* this device.
*/
devc->fw_uploaded = 0;
+ devc->usb_pid = pid;
if (des.iProduct != LA2016_IPRODUCT_INDEX) {
sr_info("Uploading MCU firmware to '%s'.", conn_id);
- ret = la2016_upload_firmware(sdi, ctx, dev, pid);
+ ret = la2016_upload_firmware(sdi, ctx, dev, FALSE);
if (ret != SR_OK) {
sr_err("MCU firmware upload failed.");
kingst_la2016_free_sdi(sdi);
usb->address = 0xff;
renum_devices = g_slist_append(renum_devices, sdi);
continue;
+ } else {
+ ret = la2016_upload_firmware(sdi, NULL, NULL, TRUE);
+ if (ret != SR_OK) {
+ sr_err("MCU firmware filename check failed.");
+ kingst_la2016_free_sdi(sdi);
+ continue;
+ }
}
/*
sdi->model = g_strdup(devc->model->name);
ch_off = 0;
- /* Create the logic channels. */
+ /* Create the "Logic" channel group. */
ch_max = ARRAY_SIZE(channel_names_logic);
if (ch_max > devc->model->channel_count)
ch_max = devc->model->channel_count;
+ cg = sr_channel_group_new(sdi, "Logic", NULL);
+ devc->cg_logic = cg;
for (ch_idx = 0; ch_idx < ch_max; ch_idx++) {
- sr_channel_new(sdi, ch_off,
+ ch = sr_channel_new(sdi, ch_off,
SR_CHANNEL_LOGIC, TRUE,
channel_names_logic[ch_idx]);
ch_off++;
+ cg->channels = g_slist_append(cg->channels, ch);
+ }
+
+ /* Create the "PWMx" channel groups. */
+ ch_max = ARRAY_SIZE(channel_names_pwm);
+ for (ch_idx = 0; ch_idx < ch_max; ch_idx++) {
+ const char *name;
+ name = channel_names_pwm[ch_idx];
+ cg = sr_channel_group_new(sdi, name, NULL);
+ if (!devc->cg_pwm)
+ devc->cg_pwm = cg;
+ ch = sr_channel_new(sdi, ch_off,
+ SR_CHANNEL_ANALOG, FALSE, name);
+ ch_off++;
+ cg->channels = g_slist_append(cg->channels, ch);
}
+ /*
+ * Ideally we'd get the previous configuration from the
+ * hardware, but this device is write-only. So we have
+ * to assign a fixed set of initial configuration values.
+ */
sr_sw_limits_init(&devc->sw_limits);
devc->sw_limits.limit_samples = 0;
devc->capture_ratio = 50;
- devc->cur_samplerate = devc->model->samplerate;
- devc->threshold_voltage_idx = 0;
- devc->threshold_voltage = logic_threshold_value[devc->threshold_voltage_idx];
+ devc->samplerate = devc->model->samplerate;
+ devc->threshold_voltage_idx = LOGIC_THRESHOLD_IDX_DFLT;
+ if (ARRAY_SIZE(devc->pwm_setting) >= 1) {
+ devc->pwm_setting[0].enabled = FALSE;
+ devc->pwm_setting[0].freq = SR_KHZ(1);
+ devc->pwm_setting[0].duty = 50;
+ }
+ if (ARRAY_SIZE(devc->pwm_setting) >= 2) {
+ devc->pwm_setting[1].enabled = FALSE;
+ devc->pwm_setting[1].freq = SR_KHZ(100);
+ devc->pwm_setting[1].duty = 50;
+ }
sdi->status = SR_ST_INACTIVE;
devices = g_slist_append(devices, sdi);
static int dev_open(struct sr_dev_inst *sdi)
{
+ struct dev_context *devc;
int ret;
+ size_t ch;
+
+ devc = sdi->priv;
ret = la2016_open_enum(sdi);
if (ret != SR_OK) {
return ret;
}
- /*
- * Setup a default configuration of device features. This
- * affects the logic threshold, PWM channels, and similar.
- */
- ret = la2016_init_params(sdi);
- if (ret != SR_OK) {
- sr_err("Cannot initialize device's hardware.");
- return ret;
+ /* Send most recent PWM configuration to the device. */
+ for (ch = 0; ch < ARRAY_SIZE(devc->pwm_setting); ch++) {
+ ret = la2016_write_pwm_config(sdi, ch);
+ if (ret != SR_OK)
+ return ret;
}
return SR_OK;
if (!usb->devhdl)
return SR_ERR_BUG;
- la2016_deinit_hardware(sdi);
+ if (WITH_DEINIT_IN_CLOSE)
+ la2016_deinit_hardware(sdi);
sr_info("Closing device on %d.%d (logical) / %s (physical) interface %d.",
usb->bus, usb->address, sdi->connection_id, USB_INTERFACE);
return SR_OK;
}
+/* Config API helper. Get type and index of a channel group. */
+static int get_cg_index(const struct sr_dev_inst *sdi,
+ const struct sr_channel_group *cg,
+ int *type, size_t *logic, size_t *analog)
+{
+ struct dev_context *devc;
+ GSList *l;
+ size_t idx;
+
+ /* Preset return values. */
+ if (type)
+ *type = 0;
+ if (logic)
+ *logic = 0;
+ if (analog)
+ *analog = 0;
+
+ /* Start categorizing the received cg. */
+ if (!sdi)
+ return SR_ERR_ARG;
+ devc = sdi->priv;
+ if (!cg)
+ return SR_OK;
+ l = sdi->channel_groups;
+
+ /* First sdi->channelgroups item is "Logic". */
+ if (!l)
+ return SR_ERR_BUG;
+ if (cg == l->data) {
+ if (type)
+ *type = SR_CHANNEL_LOGIC;
+ if (logic)
+ *logic = 0;
+ return SR_OK;
+ }
+ l = l->next;
+
+ /* Next sdi->channelgroups items are "PWMx". */
+ idx = 0;
+ while (l && l->data != cg) {
+ idx++;
+ l = l->next;
+ }
+ if (l && idx < ARRAY_SIZE(devc->pwm_setting)) {
+ if (type)
+ *type = SR_CHANNEL_ANALOG;
+ if (analog)
+ *analog = idx;
+ return SR_OK;
+ }
+
+ return SR_ERR_ARG;
+}
+
static int config_get(uint32_t key, GVariant **data,
const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
{
struct dev_context *devc;
+ int ret, cg_type;
+ size_t logic_idx, analog_idx;
+ struct pwm_setting *pwm;
struct sr_usb_dev_inst *usb;
- double rounded;
- const char *label;
+ double voltage, rounded;
- (void)cg;
+ (void)rounded;
+ (void)voltage;
if (!sdi)
return SR_ERR_ARG;
devc = sdi->priv;
+ /* Check for types (and index) of channel groups. */
+ ret = get_cg_index(sdi, cg, &cg_type, &logic_idx, &analog_idx);
+ if (cg && ret != SR_OK)
+ return SR_ERR_ARG;
+
+ /* Handle requests for the "Logic" channel group. */
+ if (cg && cg_type == SR_CHANNEL_LOGIC) {
+ switch (key) {
+#if !WITH_THRESHOLD_DEVCFG
+ case SR_CONF_VOLTAGE_THRESHOLD:
+ voltage = threshold_voltage(sdi, NULL);
+ *data = std_gvar_tuple_double(voltage, voltage);
+ break;
+#endif /* WITH_THRESHOLD_DEVCFG */
+ default:
+ return SR_ERR_NA;
+ }
+ return SR_OK;
+ }
+
+ /* Handle requests for the "PWMx" channel groups. */
+ if (cg && cg_type == SR_CHANNEL_ANALOG) {
+ pwm = &devc->pwm_setting[analog_idx];
+ switch (key) {
+ case SR_CONF_ENABLED:
+ *data = g_variant_new_boolean(pwm->enabled);
+ break;
+ case SR_CONF_OUTPUT_FREQUENCY:
+ *data = g_variant_new_double(pwm->freq);
+ break;
+ case SR_CONF_DUTY_CYCLE:
+ *data = g_variant_new_double(pwm->duty);
+ break;
+ default:
+ return SR_ERR_NA;
+ }
+ return SR_OK;
+ }
+
switch (key) {
case SR_CONF_CONN:
- if (!sdi->conn)
- return SR_ERR_ARG;
usb = sdi->conn;
- if (usb->address == 0xff) {
- /*
- * Device still needs to re-enumerate after firmware
- * upload, so we don't know its (future) address.
- */
- return SR_ERR;
- }
*data = g_variant_new_printf("%d.%d", usb->bus, usb->address);
break;
case SR_CONF_SAMPLERATE:
- *data = g_variant_new_uint64(devc->cur_samplerate);
+ *data = g_variant_new_uint64(devc->samplerate);
break;
case SR_CONF_LIMIT_SAMPLES:
case SR_CONF_LIMIT_MSEC:
case SR_CONF_CAPTURE_RATIO:
*data = g_variant_new_uint64(devc->capture_ratio);
break;
+#if WITH_THRESHOLD_DEVCFG
case SR_CONF_VOLTAGE_THRESHOLD:
- rounded = (int)(devc->threshold_voltage / 0.1) * 0.1;
- *data = std_gvar_tuple_double(rounded, rounded + 0.1);
- return SR_OK;
- case SR_CONF_LOGIC_THRESHOLD:
- label = logic_threshold[devc->threshold_voltage_idx];
- *data = g_variant_new_string(label);
+ voltage = threshold_voltage(sdi, NULL);
+ *data = std_gvar_tuple_double(voltage, voltage);
break;
- case SR_CONF_LOGIC_THRESHOLD_CUSTOM:
- *data = g_variant_new_double(devc->threshold_voltage);
- break;
-
+#endif /* WITH_THRESHOLD_DEVCFG */
default:
return SR_ERR_NA;
}
const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
{
struct dev_context *devc;
- double low, high;
+ int ret, cg_type;
+ size_t logic_idx, analog_idx;
+ struct pwm_setting *pwm;
+ double value_f;
int idx;
- (void)cg;
-
devc = sdi->priv;
+ /* Check for types (and index) of channel groups. */
+ ret = get_cg_index(sdi, cg, &cg_type, &logic_idx, &analog_idx);
+ if (cg && ret != SR_OK)
+ return SR_ERR_ARG;
+
+ /* Handle requests for the "Logic" channel group. */
+ if (cg && cg_type == SR_CHANNEL_LOGIC) {
+ switch (key) {
+#if !WITH_THRESHOLD_DEVCFG
+ case SR_CONF_LOGIC_THRESHOLD:
+ idx = std_double_tuple_idx(data,
+ ARRAY_AND_SIZE(threshold_ranges));
+ if (idx < 0)
+ return SR_ERR_ARG;
+ devc->threshold_voltage_idx = idx;
+ break;
+#endif /* WITH_THRESHOLD_DEVCFG */
+ default:
+ return SR_ERR_NA;
+ }
+ return SR_OK;
+ }
+
+ /* Handle requests for the "PWMx" channel groups. */
+ if (cg && cg_type == SR_CHANNEL_ANALOG) {
+ pwm = &devc->pwm_setting[analog_idx];
+ switch (key) {
+ case SR_CONF_ENABLED:
+ pwm->enabled = g_variant_get_boolean(data);
+ ret = la2016_write_pwm_config(sdi, analog_idx);
+ if (ret != SR_OK)
+ return ret;
+ break;
+ case SR_CONF_OUTPUT_FREQUENCY:
+ value_f = g_variant_get_double(data);
+ if (value_f <= 0.0 || value_f > MAX_PWM_FREQ)
+ return SR_ERR_ARG;
+ pwm->freq = value_f;
+ ret = la2016_write_pwm_config(sdi, analog_idx);
+ if (ret != SR_OK)
+ return ret;
+ break;
+ case SR_CONF_DUTY_CYCLE:
+ value_f = g_variant_get_double(data);
+ if (value_f <= 0.0 || value_f > 100.0)
+ return SR_ERR_ARG;
+ pwm->duty = value_f;
+ ret = la2016_write_pwm_config(sdi, analog_idx);
+ if (ret != SR_OK)
+ return ret;
+ break;
+ default:
+ return SR_ERR_NA;
+ }
+ return SR_OK;
+ }
+
switch (key) {
case SR_CONF_SAMPLERATE:
- devc->cur_samplerate = g_variant_get_uint64(data);
+ devc->samplerate = g_variant_get_uint64(data);
break;
case SR_CONF_LIMIT_SAMPLES:
case SR_CONF_LIMIT_MSEC:
case SR_CONF_CAPTURE_RATIO:
devc->capture_ratio = g_variant_get_uint64(data);
break;
+#if WITH_THRESHOLD_DEVCFG
case SR_CONF_VOLTAGE_THRESHOLD:
- g_variant_get(data, "(dd)", &low, &high);
- devc->threshold_voltage = (low + high) / 2.0;
- devc->threshold_voltage_idx = LOGIC_THRESHOLD_IDX_USER;
- break;
- case SR_CONF_LOGIC_THRESHOLD: {
- idx = std_str_idx(data, ARRAY_AND_SIZE(logic_threshold));
+ idx = std_double_tuple_idx(data,
+ ARRAY_AND_SIZE(threshold_ranges));
if (idx < 0)
return SR_ERR_ARG;
- if (idx != LOGIC_THRESHOLD_IDX_USER) {
- devc->threshold_voltage = logic_threshold_value[idx];
- }
devc->threshold_voltage_idx = idx;
break;
- }
- case SR_CONF_LOGIC_THRESHOLD_CUSTOM:
- devc->threshold_voltage = g_variant_get_double(data);
- break;
+#endif /* WITH_THRESHOLD_DEVCFG */
default:
return SR_ERR_NA;
}
const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
{
struct dev_context *devc;
+ int ret, cg_type;
+ size_t logic_idx, analog_idx;
devc = sdi ? sdi->priv : NULL;
+ /* Check for types (and index) of channel groups. */
+ ret = get_cg_index(sdi, cg, &cg_type, &logic_idx, &analog_idx);
+ if (cg && ret != SR_OK)
+ return SR_ERR_ARG;
+
+ /* Handle requests for the "Logic" channel group. */
+ if (cg && cg_type == SR_CHANNEL_LOGIC) {
+ switch (key) {
+ case SR_CONF_DEVICE_OPTIONS:
+ if (ARRAY_SIZE(devopts_cg_logic) == 0)
+ return SR_ERR_NA;
+ *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
+ devopts_cg_logic, ARRAY_SIZE(devopts_cg_logic),
+ sizeof(devopts_cg_logic[0]));
+ break;
+#if !WITH_THRESHOLD_DEVCFG
+ case SR_CONF_VOLTAGE_THRESHOLD:
+ *data = std_gvar_thresholds(ARRAY_AND_SIZE(threshold_ranges));
+ break;
+#endif /* WITH_THRESHOLD_DEVCFG */
+ default:
+ return SR_ERR_NA;
+ }
+ return SR_OK;
+ }
+
+ /* Handle requests for the "PWMx" channel groups. */
+ if (cg && cg_type == SR_CHANNEL_ANALOG) {
+ switch (key) {
+ case SR_CONF_DEVICE_OPTIONS:
+ *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
+ devopts_cg_pwm, ARRAY_SIZE(devopts_cg_pwm),
+ sizeof(devopts_cg_pwm[0]));
+ break;
+ default:
+ return SR_ERR_NA;
+ }
+ return SR_OK;
+ }
+
switch (key) {
case SR_CONF_SCAN_OPTIONS:
case SR_CONF_DEVICE_OPTIONS:
*data = std_gvar_samplerates(ARRAY_AND_SIZE(rates_500mhz));
else if (devc->model->samplerate == SR_MHZ(200))
*data = std_gvar_samplerates(ARRAY_AND_SIZE(rates_200mhz));
- else
+ else if (devc->model->samplerate == SR_MHZ(100))
*data = std_gvar_samplerates(ARRAY_AND_SIZE(rates_100mhz));
+ else
+ return SR_ERR_BUG;
break;
case SR_CONF_LIMIT_SAMPLES:
*data = std_gvar_tuple_u64(0, LA2016_NUM_SAMPLES_MAX);
break;
+#if WITH_THRESHOLD_DEVCFG
case SR_CONF_VOLTAGE_THRESHOLD:
- *data = std_gvar_min_max_step_thresholds(
- LA2016_THR_VOLTAGE_MIN,
- LA2016_THR_VOLTAGE_MAX, 0.1);
+ *data = std_gvar_thresholds(ARRAY_AND_SIZE(threshold_ranges));
break;
+#endif /* WITH_THRESHOLD_DEVCFG */
case SR_CONF_TRIGGER_MATCH:
*data = std_gvar_array_i32(ARRAY_AND_SIZE(trigger_matches));
break;
- case SR_CONF_LOGIC_THRESHOLD:
- *data = g_variant_new_strv(ARRAY_AND_SIZE(logic_threshold));
- break;
default:
return SR_ERR_NA;
}
struct drv_context *drvc;
struct sr_context *ctx;
struct dev_context *devc;
+ size_t unitsize;
+ double voltage;
int ret;
di = sdi->driver;
devc = sdi->priv;
if (!devc->feed_queue) {
+ if (devc->model->channel_count == 32)
+ unitsize = sizeof(uint32_t);
+ else if (devc->model->channel_count == 16)
+ unitsize = sizeof(uint16_t);
+ else
+ return SR_ERR_ARG;
devc->feed_queue = feed_queue_logic_alloc(sdi,
- LA2016_CONVBUFFER_SIZE, sizeof(uint16_t));
+ LA2016_CONVBUFFER_SIZE, unitsize);
if (!devc->feed_queue) {
sr_err("Cannot allocate buffer for session feed.");
return SR_ERR_MALLOC;
}
+ devc->packets_per_chunk = TRANSFER_PACKET_LENGTH;
+ devc->packets_per_chunk--;
+ devc->packets_per_chunk /= unitsize + sizeof(uint8_t);
}
sr_sw_limits_acquisition_start(&devc->sw_limits);
- ret = la2016_setup_acquisition(sdi);
+ voltage = threshold_voltage(sdi, NULL);
+ ret = la2016_setup_acquisition(sdi, voltage);
if (ret != SR_OK) {
feed_queue_logic_free(devc->feed_queue);
devc->feed_queue = NULL;
projects / libsigrok.git / blobdiff