rdtech-dps: New driver for RDTech DPS/DPH series PSUs.
This commit is contained in:
James Churchill
Uwe Hermann
parent
0549416e36
commit
69b0558395
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@ -262,7 +262,7 @@ SR_DRIVER([Norma DMM], [norma-dmm], [libserialport])
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SR_DRIVER([OpenBench Logic Sniffer], [openbench-logic-sniffer], [libserialport])
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SR_DRIVER([PCE PCE-322A], [pce-322a], [libserialport])
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SR_DRIVER([Pipistrello-OLS], [pipistrello-ols], [libftdi])
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SR_DRIVER([RDTech DPS], [rdtech-dps])
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SR_DRIVER([RDTech DPSxxxx/DPHxxxx], [rdtech-dps], [libserialport])
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SR_DRIVER([Rigol DS], [rigol-ds])
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SR_DRIVER([Rohde&Schwarz SME-0x], [rohde-schwarz-sme-0x], [libserialport])
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SR_DRIVER([Saleae Logic16], [saleae-logic16], [libusb])
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@ -20,53 +20,226 @@
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#include <config.h>
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#include "protocol.h"
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static const uint32_t scanopts[] = {
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SR_CONF_CONN,
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SR_CONF_SERIALCOMM,
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SR_CONF_MODBUSADDR,
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};
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static const uint32_t drvopts[] = {
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SR_CONF_POWER_SUPPLY,
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};
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static const uint32_t devopts[] = {
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SR_CONF_CONTINUOUS,
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SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET,
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SR_CONF_LIMIT_MSEC | SR_CONF_GET | SR_CONF_SET,
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SR_CONF_VOLTAGE | SR_CONF_GET,
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SR_CONF_VOLTAGE_TARGET | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
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SR_CONF_CURRENT | SR_CONF_GET,
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SR_CONF_CURRENT_LIMIT | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
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SR_CONF_ENABLED | SR_CONF_GET | SR_CONF_SET,
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SR_CONF_REGULATION | SR_CONF_GET,
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SR_CONF_OVER_VOLTAGE_PROTECTION_ACTIVE | SR_CONF_GET,
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SR_CONF_OVER_VOLTAGE_PROTECTION_THRESHOLD | SR_CONF_GET | SR_CONF_SET,
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SR_CONF_OVER_CURRENT_PROTECTION_ACTIVE | SR_CONF_GET,
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SR_CONF_OVER_CURRENT_PROTECTION_THRESHOLD | SR_CONF_GET | SR_CONF_SET,
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};
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/* Model ID, model name, max current, max voltage, max power */
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static const struct rdtech_dps_model supported_models[] = {
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{ 3005, "DPS3005", 3, 50, 160 },
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{ 5005, "DPS5005", 5, 50, 250 },
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{ 5205, "DPH5005", 5, 50, 250 },
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{ 5015, "DPS5015", 15, 50, 750 },
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{ 5020, "DPS5020", 20, 50, 1000 },
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{ 8005, "DPS8005", 5, 80, 408 },
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};
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static struct sr_dev_driver rdtech_dps_driver_info;
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static struct sr_dev_inst *probe_device(struct sr_modbus_dev_inst *modbus)
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{
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const struct rdtech_dps_model *model = NULL;
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struct dev_context *devc;
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struct sr_dev_inst *sdi;
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uint16_t id, version;
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unsigned int i;
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int ret = rdtech_dps_get_model_version(modbus, &id, &version);
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if (ret != SR_OK)
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return NULL;
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for (i = 0; i < ARRAY_SIZE(supported_models); i++)
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if (id == supported_models[i].id) {
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model = &supported_models[i];
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break;
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}
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if (model == NULL) {
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sr_err("Unknown model: %d.", id);
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return NULL;
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}
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sdi = g_malloc0(sizeof(struct sr_dev_inst));
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sdi->status = SR_ST_INACTIVE;
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sdi->vendor = g_strdup("RDTech");
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sdi->model = g_strdup(model->name);
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sdi->version = g_strdup_printf("v%d", version);
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sdi->conn = modbus;
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sdi->driver = &rdtech_dps_driver_info;
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sdi->inst_type = SR_INST_MODBUS;
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sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "V");
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sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "I");
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sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "P");
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devc = g_malloc0(sizeof(struct dev_context));
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sr_sw_limits_init(&devc->limits);
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devc->model = model;
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devc->expecting_registers = 0;
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sdi->priv = devc;
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return sdi;
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}
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static int config_compare(gconstpointer a, gconstpointer b)
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{
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const struct sr_config *ac = a, *bc = b;
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return ac->key != bc->key;
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}
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static GSList *scan(struct sr_dev_driver *di, GSList *options)
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{
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struct drv_context *drvc;
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GSList *devices;
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struct sr_config default_serialcomm = {
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.key = SR_CONF_SERIALCOMM,
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.data = g_variant_new_string("9600/8n1"),
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};
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struct sr_config default_modbusaddr = {
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.key = SR_CONF_MODBUSADDR,
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.data = g_variant_new_uint64(1),
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};
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GSList *opts = options, *devices;
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(void)options;
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if (!g_slist_find_custom(options, &default_serialcomm, config_compare))
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opts = g_slist_prepend(opts, &default_serialcomm);
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if (!g_slist_find_custom(options, &default_modbusaddr, config_compare))
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opts = g_slist_prepend(opts, &default_modbusaddr);
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devices = NULL;
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drvc = di->context;
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drvc->instances = NULL;
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devices = sr_modbus_scan(di->context, opts, probe_device);
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/* TODO: scan for devices, either based on a SR_CONF_CONN option
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* or on a USB scan. */
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while (opts != options)
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opts = g_slist_delete_link(opts, opts);
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g_variant_unref(default_serialcomm.data);
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g_variant_unref(default_modbusaddr.data);
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return devices;
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}
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static int dev_open(struct sr_dev_inst *sdi)
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{
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(void)sdi;
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struct sr_modbus_dev_inst *modbus = sdi->conn;
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/* TODO: get handle from sdi->conn and open it. */
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if (sr_modbus_open(modbus) < 0)
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return SR_ERR;
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rdtech_dps_set_reg(modbus, REG_LOCK, 1);
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return SR_OK;
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}
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static int dev_close(struct sr_dev_inst *sdi)
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{
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(void)sdi;
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struct dev_context *devc;
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struct sr_modbus_dev_inst *modbus;
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/* TODO: get handle from sdi->conn and close it. */
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modbus = sdi->conn;
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return SR_OK;
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if (!modbus)
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return SR_ERR_BUG;
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devc = sdi->priv;
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if (devc->expecting_registers) {
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/* Wait for the last data that was requested from the device. */
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uint16_t registers[devc->expecting_registers];
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sr_modbus_read_holding_registers(modbus, -1,
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devc->expecting_registers, registers);
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}
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rdtech_dps_set_reg(modbus, REG_LOCK, 0);
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return sr_modbus_close(modbus);
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}
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static int config_get(uint32_t key, GVariant **data,
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const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
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{
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struct dev_context *devc;
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struct sr_modbus_dev_inst *modbus;
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int ret;
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uint16_t ivalue;
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(void)sdi;
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(void)data;
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(void)cg;
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modbus = sdi->conn;
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devc = sdi->priv;
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ret = SR_OK;
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switch (key) {
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/* TODO */
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case SR_CONF_LIMIT_SAMPLES:
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case SR_CONF_LIMIT_MSEC:
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ret = sr_sw_limits_config_get(&devc->limits, key, data);
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break;
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case SR_CONF_ENABLED:
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if ((ret = rdtech_dps_get_reg(modbus, REG_ENABLE, &ivalue)) == SR_OK)
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*data = g_variant_new_boolean(ivalue);
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break;
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case SR_CONF_REGULATION:
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if ((ret = rdtech_dps_get_reg(modbus, REG_CV_CC, &ivalue)) != SR_OK)
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break;
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if (ivalue == MODE_CC)
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*data = g_variant_new_string("CC");
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else
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*data = g_variant_new_string("CV");
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break;
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case SR_CONF_VOLTAGE:
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if ((ret = rdtech_dps_get_reg(modbus, REG_UOUT, &ivalue)) == SR_OK)
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*data = g_variant_new_double((float)ivalue / 100.0f);
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break;
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case SR_CONF_VOLTAGE_TARGET:
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if ((ret = rdtech_dps_get_reg(modbus, REG_USET, &ivalue)) == SR_OK)
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*data = g_variant_new_double((float)ivalue / 100.0f);
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break;
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case SR_CONF_CURRENT:
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if ((ret = rdtech_dps_get_reg(modbus, REG_IOUT, &ivalue)) == SR_OK)
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*data = g_variant_new_double((float)ivalue / 100.0f);
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break;
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case SR_CONF_CURRENT_LIMIT:
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if ((ret = rdtech_dps_get_reg(modbus, REG_ISET, &ivalue)) == SR_OK)
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*data = g_variant_new_double((float)ivalue / 1000.0f);
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break;
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case SR_CONF_OVER_VOLTAGE_PROTECTION_ENABLED:
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*data = g_variant_new_boolean(TRUE);
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break;
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case SR_CONF_OVER_VOLTAGE_PROTECTION_ACTIVE:
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if ((ret = rdtech_dps_get_reg(modbus, REG_PROTECT, &ivalue)) == SR_OK)
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*data = g_variant_new_boolean(ivalue == STATE_OVP);
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break;
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case SR_CONF_OVER_VOLTAGE_PROTECTION_THRESHOLD:
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if ((ret = rdtech_dps_get_reg(modbus, PRE_OVPSET, &ivalue)) == SR_OK)
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*data = g_variant_new_double((float)ivalue / 100.0f);
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break;
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case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED:
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*data = g_variant_new_boolean(TRUE);
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break;
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case SR_CONF_OVER_CURRENT_PROTECTION_ACTIVE:
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if ((ret = rdtech_dps_get_reg(modbus, REG_PROTECT, &ivalue)) == SR_OK)
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*data = g_variant_new_boolean(ivalue == STATE_OCP);
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break;
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case SR_CONF_OVER_CURRENT_PROTECTION_THRESHOLD:
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if ((ret = rdtech_dps_get_reg(modbus, PRE_OCPSET, &ivalue)) == SR_OK)
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*data = g_variant_new_double((float)ivalue / 1000.0f);
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break;
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default:
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return SR_ERR_NA;
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}
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@ -77,63 +250,93 @@ static int config_get(uint32_t key, GVariant **data,
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static int config_set(uint32_t key, GVariant *data,
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const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
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{
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int ret;
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struct dev_context *devc;
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struct sr_modbus_dev_inst *modbus;
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(void)sdi;
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(void)data;
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(void)cg;
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ret = SR_OK;
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modbus = sdi->conn;
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devc = sdi->priv;
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switch (key) {
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/* TODO */
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case SR_CONF_LIMIT_SAMPLES:
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case SR_CONF_LIMIT_MSEC:
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return sr_sw_limits_config_set(&devc->limits, key, data);
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case SR_CONF_ENABLED:
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return rdtech_dps_set_reg(modbus, REG_ENABLE, g_variant_get_boolean(data));
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case SR_CONF_VOLTAGE_TARGET:
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return rdtech_dps_set_reg(modbus, REG_USET, g_variant_get_double(data) * 100);
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case SR_CONF_CURRENT_LIMIT:
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return rdtech_dps_set_reg(modbus, REG_ISET, g_variant_get_double(data) * 1000);
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case SR_CONF_OVER_VOLTAGE_PROTECTION_THRESHOLD:
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return rdtech_dps_set_reg(modbus, PRE_OVPSET, g_variant_get_double(data) * 100);
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case SR_CONF_OVER_CURRENT_PROTECTION_THRESHOLD:
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return rdtech_dps_set_reg(modbus, PRE_OCPSET, g_variant_get_double(data) * 1000);
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default:
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ret = SR_ERR_NA;
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return SR_ERR_NA;
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}
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return ret;
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return SR_OK;
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}
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static int config_list(uint32_t key, GVariant **data,
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const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
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{
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int ret;
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struct dev_context *devc;
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(void)sdi;
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(void)data;
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(void)cg;
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devc = (sdi) ? sdi->priv : NULL;
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ret = SR_OK;
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switch (key) {
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/* TODO */
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case SR_CONF_SCAN_OPTIONS:
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case SR_CONF_DEVICE_OPTIONS:
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return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts);
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case SR_CONF_VOLTAGE_TARGET:
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*data = std_gvar_min_max_step(0.0, devc->model->max_voltage, 0.001);
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break;
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case SR_CONF_CURRENT_LIMIT:
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*data = std_gvar_min_max_step(0.0, devc->model->max_current, 0.0001);
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break;
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default:
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return SR_ERR_NA;
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}
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return ret;
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return SR_OK;
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}
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static int dev_acquisition_start(const struct sr_dev_inst *sdi)
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{
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/* TODO: configure hardware, reset acquisition state, set up
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* callbacks and send header packet. */
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struct dev_context *devc;
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struct sr_modbus_dev_inst *modbus;
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int ret;
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(void)sdi;
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modbus = sdi->conn;
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devc = sdi->priv;
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return SR_OK;
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if ((ret = sr_modbus_source_add(sdi->session, modbus, G_IO_IN, 10,
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rdtech_dps_receive_data, (void *)sdi)) != SR_OK)
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return ret;
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sr_sw_limits_acquisition_start(&devc->limits);
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std_session_send_df_header(sdi);
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return rdtech_dps_capture_start(sdi);
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}
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static int dev_acquisition_stop(struct sr_dev_inst *sdi)
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{
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/* TODO: stop acquisition. */
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struct sr_modbus_dev_inst *modbus;
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(void)sdi;
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std_session_send_df_end(sdi);
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modbus = sdi->conn;
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sr_modbus_source_remove(sdi->session, modbus);
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return SR_OK;
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}
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SR_PRIV struct sr_dev_driver rdtech_dps_driver_info = {
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static struct sr_dev_driver rdtech_dps_driver_info = {
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.name = "rdtech-dps",
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.longname = "RDTech DPS",
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.longname = "RDTech DPS/DPH series power supply",
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.api_version = 1,
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.init = std_init,
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.cleanup = std_cleanup,
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@ -149,5 +352,4 @@ SR_PRIV struct sr_dev_driver rdtech_dps_driver_info = {
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.dev_acquisition_stop = dev_acquisition_stop,
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.context = NULL,
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};
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SR_REGISTER_DEV_DRIVER(rdtech_dps_driver_info);
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@ -20,22 +20,116 @@
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#include <config.h>
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#include "protocol.h"
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SR_PRIV int rdtech_dps_get_reg(struct sr_modbus_dev_inst *modbus,
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uint16_t address, uint16_t *value)
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{
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uint16_t registers[1];
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int ret = sr_modbus_read_holding_registers(modbus, address, 1, registers);
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*value = RB16(registers + 0);
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return ret;
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}
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SR_PRIV int rdtech_dps_set_reg(struct sr_modbus_dev_inst *modbus,
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uint16_t address, uint16_t value)
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{
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uint16_t registers[1];
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WB16(registers, value);
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return sr_modbus_write_multiple_registers(modbus, address, 1, registers);
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}
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SR_PRIV int rdtech_dps_get_model_version(struct sr_modbus_dev_inst *modbus,
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uint16_t *model, uint16_t *version)
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{
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uint16_t registers[2];
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int ret;
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ret = sr_modbus_read_holding_registers(modbus, REG_MODEL, 2, registers);
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if (ret == SR_OK) {
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*model = RB16(registers + 0);
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*version = RB16(registers + 1);
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sr_info("RDTech PSU model: %d version: %d", *model, *version);
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}
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return ret;
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}
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static void send_value(const struct sr_dev_inst *sdi, struct sr_channel *ch,
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float value, enum sr_mq mq, enum sr_unit unit, int digits)
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{
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struct sr_datafeed_packet packet;
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struct sr_datafeed_analog analog;
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struct sr_analog_encoding encoding;
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struct sr_analog_meaning meaning;
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struct sr_analog_spec spec;
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sr_analog_init(&analog, &encoding, &meaning, &spec, digits);
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analog.meaning->channels = g_slist_append(NULL, ch);
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analog.num_samples = 1;
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analog.data = &value;
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analog.meaning->mq = mq;
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analog.meaning->unit = unit;
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||||
analog.meaning->mqflags = SR_MQFLAG_DC;
|
||||
|
||||
packet.type = SR_DF_ANALOG;
|
||||
packet.payload = &analog;
|
||||
sr_session_send(sdi, &packet);
|
||||
g_slist_free(analog.meaning->channels);
|
||||
}
|
||||
|
||||
SR_PRIV int rdtech_dps_capture_start(const struct sr_dev_inst *sdi)
|
||||
{
|
||||
struct dev_context *devc;
|
||||
struct sr_modbus_dev_inst *modbus;
|
||||
int ret;
|
||||
|
||||
modbus = sdi->conn;
|
||||
devc = sdi->priv;
|
||||
|
||||
if ((ret = sr_modbus_read_holding_registers(modbus, REG_UOUT, 3, NULL)) == SR_OK)
|
||||
devc->expecting_registers = 2;
|
||||
return ret;
|
||||
}
|
||||
|
||||
SR_PRIV int rdtech_dps_receive_data(int fd, int revents, void *cb_data)
|
||||
{
|
||||
const struct sr_dev_inst *sdi;
|
||||
struct sr_dev_inst *sdi;
|
||||
struct dev_context *devc;
|
||||
struct sr_modbus_dev_inst *modbus;
|
||||
struct sr_datafeed_packet packet;
|
||||
uint16_t registers[3];
|
||||
|
||||
(void)fd;
|
||||
(void)revents;
|
||||
|
||||
if (!(sdi = cb_data))
|
||||
return TRUE;
|
||||
|
||||
if (!(devc = sdi->priv))
|
||||
return TRUE;
|
||||
modbus = sdi->conn;
|
||||
devc = sdi->priv;
|
||||
|
||||
if (revents == G_IO_IN) {
|
||||
/* TODO */
|
||||
devc->expecting_registers = 0;
|
||||
if (sr_modbus_read_holding_registers(modbus, -1, 3, registers) == SR_OK) {
|
||||
packet.type = SR_DF_FRAME_BEGIN;
|
||||
sr_session_send(sdi, &packet);
|
||||
|
||||
send_value(sdi, sdi->channels->data,
|
||||
RB16(registers + 0) / 100.0f,
|
||||
SR_MQ_VOLTAGE, SR_UNIT_VOLT, 3);
|
||||
send_value(sdi, sdi->channels->next->data,
|
||||
RB16(registers + 1) / 1000.0f,
|
||||
SR_MQ_CURRENT, SR_UNIT_AMPERE, 4);
|
||||
send_value(sdi, sdi->channels->next->next->data,
|
||||
RB16(registers + 2) / 100.0f,
|
||||
SR_MQ_POWER, SR_UNIT_WATT, 3);
|
||||
|
||||
packet.type = SR_DF_FRAME_END;
|
||||
sr_session_send(sdi, &packet);
|
||||
sr_sw_limits_update_samples_read(&devc->limits, 1);
|
||||
}
|
||||
|
||||
if (sr_sw_limits_check(&devc->limits)) {
|
||||
sr_dev_acquisition_stop(sdi);
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
rdtech_dps_capture_start(sdi);
|
||||
return TRUE;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -27,9 +27,70 @@
|
|||
|
||||
#define LOG_PREFIX "rdtech-dps"
|
||||
|
||||
struct dev_context {
|
||||
struct rdtech_dps_model {
|
||||
unsigned int id;
|
||||
const char *name;
|
||||
unsigned int max_current;
|
||||
unsigned int max_voltage;
|
||||
unsigned int max_power;
|
||||
};
|
||||
|
||||
struct dev_context {
|
||||
const struct rdtech_dps_model *model;
|
||||
struct sr_sw_limits limits;
|
||||
int expecting_registers;
|
||||
};
|
||||
|
||||
enum rdtech_dps_register {
|
||||
REG_USET = 0x00, /* Mirror of 0x50 */
|
||||
REG_ISET = 0x01, /* Mirror of 0x51 */
|
||||
REG_UOUT = 0x02,
|
||||
REG_IOUT = 0x03,
|
||||
REG_POWER = 0x04,
|
||||
REG_UIN = 0x05,
|
||||
REG_LOCK = 0x06,
|
||||
REG_PROTECT = 0x07,
|
||||
REG_CV_CC = 0x08,
|
||||
REG_ENABLE = 0x09,
|
||||
REG_BACKLIGHT = 0x0A, /* Mirror of 0x55 */
|
||||
REG_MODEL = 0x0B,
|
||||
REG_VERSION = 0x0C,
|
||||
|
||||
REG_PRESET = 0x23, /* Loads a preset into preset 0. */
|
||||
|
||||
/*
|
||||
* Add (preset * 0x10) to each of the following, for preset 1-9.
|
||||
* Preset 0 regs below are the active output settings.
|
||||
*/
|
||||
PRE_USET = 0x50,
|
||||
PRE_ISET = 0x51,
|
||||
PRE_OVPSET = 0x52,
|
||||
PRE_OCPSET = 0x53,
|
||||
PRE_OPPSET = 0x54,
|
||||
PRE_BACKLIGHT = 0x55,
|
||||
PRE_DISABLE = 0x56, /* Disable output if 0 is copied here from a preset (1 is no change). */
|
||||
PRE_BOOT = 0x57, /* Enable output at boot if 1. */
|
||||
};
|
||||
|
||||
enum rdtech_dps_state {
|
||||
STATE_NORMAL = 0,
|
||||
STATE_OVP = 1,
|
||||
STATE_OCP = 2,
|
||||
STATE_OPP = 3,
|
||||
};
|
||||
|
||||
enum rdtech_dps_mode {
|
||||
MODE_CV = 0,
|
||||
MODE_CC = 1,
|
||||
};
|
||||
|
||||
SR_PRIV int rdtech_dps_get_reg(struct sr_modbus_dev_inst *modbus, uint16_t address, uint16_t *value);
|
||||
SR_PRIV int rdtech_dps_set_reg(struct sr_modbus_dev_inst *modbus, uint16_t address, uint16_t value);
|
||||
|
||||
SR_PRIV int rdtech_dps_get_model_version(struct sr_modbus_dev_inst *modbus,
|
||||
uint16_t *model, uint16_t *version);
|
||||
|
||||
SR_PRIV int rdtech_dps_capture_start(const struct sr_dev_inst *sdi);
|
||||
SR_PRIV int rdtech_dps_receive_data(int fd, int revents, void *cb_data);
|
||||
|
||||
#endif
|
||||
|
|
|
|||
Loading…
Reference in New Issue