center-3xx: Initial Center 309 / Voltcraft K204 support.
This commit is contained in:
Uwe Hermann
parent
4433145f48
commit
4a8bbed76d
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@ -20,41 +20,148 @@
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#include "protocol.h"
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SR_PRIV struct sr_dev_driver center_3xx_driver_info;
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static struct sr_dev_driver *di = ¢er_3xx_driver_info;
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static const int32_t hwopts[] = {
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SR_CONF_CONN,
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SR_CONF_SERIALCOMM,
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};
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static int init(struct sr_context *sr_ctx)
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static const int32_t hwcaps[] = {
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SR_CONF_THERMOMETER,
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SR_CONF_LIMIT_SAMPLES,
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SR_CONF_LIMIT_MSEC,
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SR_CONF_CONTINUOUS,
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};
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static const char *probe_names[] = {
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"T1", "T2", "T3", "T4",
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NULL,
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};
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SR_PRIV struct sr_dev_driver center_309_driver_info;
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SR_PRIV struct sr_dev_driver voltcraft_k204_driver_info;
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SR_PRIV const struct center_dev_info center_devs[] = {
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{
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"Center", "309", "9600/8n1", 4, 32000, 45,
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center_3xx_packet_valid,
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¢er_309_driver_info, receive_data_CENTER_309,
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},
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{
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"Voltcraft", "K204", "9600/8n1", 4, 32000, 45,
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center_3xx_packet_valid,
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&voltcraft_k204_driver_info, receive_data_VOLTCRAFT_K204,
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},
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};
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static int dev_clear(int idx)
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{
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return std_init(sr_ctx, di, LOG_PREFIX);
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return std_dev_clear(center_devs[idx].di, NULL);
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}
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static GSList *scan(GSList *options)
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static int init(struct sr_context *sr_ctx, int idx)
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{
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sr_dbg("Selected '%s' subdriver.", center_devs[idx].di->name);
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return std_init(sr_ctx, center_devs[idx].di, LOG_PREFIX);
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}
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static GSList *center_scan(const char *conn, const char *serialcomm, int idx)
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{
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int i;
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struct sr_dev_inst *sdi;
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struct drv_context *drvc;
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struct dev_context *devc;
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struct sr_probe *probe;
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struct sr_serial_dev_inst *serial;
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GSList *devices;
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(void)options;
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if (!(serial = sr_serial_dev_inst_new(conn, serialcomm)))
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return NULL;
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if (serial_open(serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK)
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return NULL;
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drvc = center_devs[idx].di->priv;
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devices = NULL;
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drvc = di->priv;
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drvc->instances = NULL;
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serial_flush(serial);
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sr_info("Found device on port %s.", conn);
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if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, center_devs[idx].vendor,
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center_devs[idx].device, NULL)))
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goto scan_cleanup;
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if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
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sr_err("Device context malloc failed.");
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goto scan_cleanup;
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}
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sdi->inst_type = SR_INST_SERIAL;
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sdi->conn = serial;
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sdi->priv = devc;
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sdi->driver = center_devs[idx].di;
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for (i = 0; i < center_devs[idx].num_channels; i++) {
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if (!(probe = sr_probe_new(i, SR_PROBE_ANALOG,
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TRUE, probe_names[i])))
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goto scan_cleanup;
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sdi->probes = g_slist_append(sdi->probes, probe);
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}
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drvc->instances = g_slist_append(drvc->instances, sdi);
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devices = g_slist_append(devices, sdi);
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scan_cleanup:
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serial_close(serial);
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return devices;
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}
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static GSList *dev_list(void)
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static GSList *scan(GSList *options, int idx)
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{
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return ((struct drv_context *)(di->priv))->instances;
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struct sr_config *src;
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GSList *l, *devices;
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const char *conn, *serialcomm;
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conn = serialcomm = NULL;
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for (l = options; l; l = l->next) {
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src = l->data;
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switch (src->key) {
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case SR_CONF_CONN:
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conn = g_variant_get_string(src->data, NULL);
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break;
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case SR_CONF_SERIALCOMM:
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serialcomm = g_variant_get_string(src->data, NULL);
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break;
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}
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}
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if (!conn)
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return NULL;
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if (serialcomm) {
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/* Use the provided comm specs. */
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devices = center_scan(conn, serialcomm, idx);
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} else {
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/* Try the default. */
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devices = center_scan(conn, center_devs[idx].conn, idx);
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}
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return devices;
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}
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static int dev_clear(void)
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static GSList *dev_list(int idx)
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{
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return std_dev_clear(di, NULL);
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return ((struct drv_context *)(center_devs[idx].di->priv))->instances;
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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_serial_dev_inst *serial;
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serial = sdi->conn;
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if (serial_open(serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK)
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return SR_ERR;
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sdi->status = SR_ST_ACTIVE;
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@ -63,105 +170,141 @@ static int dev_open(struct sr_dev_inst *sdi)
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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 sr_serial_dev_inst *serial;
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sdi->status = SR_ST_INACTIVE;
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serial = sdi->conn;
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if (serial && serial->fd != -1) {
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serial_close(serial);
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sdi->status = SR_ST_INACTIVE;
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}
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return SR_OK;
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}
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static int cleanup(void)
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static int cleanup(int idx)
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{
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return dev_clear();
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return dev_clear(idx);
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}
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static int config_get(int key, GVariant **data, const struct sr_dev_inst *sdi)
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static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi)
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{
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int ret;
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(void)sdi;
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(void)data;
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ret = SR_OK;
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switch (key) {
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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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}
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static int config_set(int key, GVariant *data, const struct sr_dev_inst *sdi)
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{
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int ret;
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(void)data;
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struct dev_context *devc;
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if (sdi->status != SR_ST_ACTIVE)
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return SR_ERR_DEV_CLOSED;
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ret = SR_OK;
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switch (key) {
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devc = sdi->priv;
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switch (id) {
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case SR_CONF_LIMIT_SAMPLES:
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if (g_variant_get_uint64(data) == 0)
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return SR_ERR_ARG;
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devc->limit_samples = g_variant_get_uint64(data);
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break;
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case SR_CONF_LIMIT_MSEC:
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if (g_variant_get_uint64(data) == 0)
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return SR_ERR_ARG;
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devc->limit_msec = g_variant_get_uint64(data);
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break;
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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(int key, GVariant **data, const struct sr_dev_inst *sdi)
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{
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int ret;
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(void)sdi;
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(void)data;
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ret = SR_OK;
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switch (key) {
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case SR_CONF_SCAN_OPTIONS:
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*data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
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hwopts, ARRAY_SIZE(hwopts), sizeof(int32_t));
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break;
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case SR_CONF_DEVICE_OPTIONS:
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*data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
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hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t));
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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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void *cb_data)
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void *cb_data, int idx)
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{
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(void)sdi;
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(void)cb_data;
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struct dev_context *devc;
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struct sr_serial_dev_inst *serial;
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if (sdi->status != SR_ST_ACTIVE)
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return SR_ERR_DEV_CLOSED;
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devc = sdi->priv;
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devc->cb_data = cb_data;
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devc->num_samples = 0;
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devc->starttime = g_get_monotonic_time();
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/* Send header packet to the session bus. */
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std_session_send_df_header(cb_data, LOG_PREFIX);
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/* Poll every 500ms, or whenever some data comes in. */
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serial = sdi->conn;
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sr_source_add(serial->fd, G_IO_IN, 500,
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center_devs[idx].receive_data, (void *)sdi);
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return SR_OK;
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}
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static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
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{
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(void)cb_data;
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if (sdi->status != SR_ST_ACTIVE)
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return SR_ERR_DEV_CLOSED;
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return SR_OK;
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return std_dev_acquisition_stop_serial(sdi, cb_data, dev_close,
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sdi->conn, LOG_PREFIX);
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}
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SR_PRIV struct sr_dev_driver center_3xx_driver_info = {
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.name = "center-3xx",
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.longname = "Center 3xx",
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.api_version = 1,
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.init = init,
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.cleanup = cleanup,
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.scan = scan,
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.dev_list = dev_list,
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.dev_clear = dev_clear,
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.config_get = config_get,
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.config_set = config_set,
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.config_list = config_list,
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.dev_open = dev_open,
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.dev_close = dev_close,
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.dev_acquisition_start = dev_acquisition_start,
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.dev_acquisition_stop = dev_acquisition_stop,
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.priv = NULL,
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/* Driver-specific API function wrappers */
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#define HW_INIT(X) \
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static int init_##X(struct sr_context *sr_ctx) { return init(sr_ctx, X); }
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#define HW_CLEANUP(X) \
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static int cleanup_##X(void) { return cleanup(X); }
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#define HW_SCAN(X) \
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static GSList *scan_##X(GSList *options) { return scan(options, X); }
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#define HW_DEV_LIST(X) \
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static GSList *dev_list_##X(void) { return dev_list(X); }
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#define HW_DEV_CLEAR(X) \
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static int dev_clear_##X(void) { return dev_clear(X); }
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#define HW_DEV_ACQUISITION_START(X) \
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static int dev_acquisition_start_##X(const struct sr_dev_inst *sdi, \
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void *cb_data) { return dev_acquisition_start(sdi, cb_data, X); }
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/* Driver structs and API function wrappers */
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#define DRV(ID, ID_UPPER, NAME, LONGNAME) \
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HW_INIT(ID_UPPER) \
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HW_CLEANUP(ID_UPPER) \
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HW_SCAN(ID_UPPER) \
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HW_DEV_LIST(ID_UPPER) \
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HW_DEV_CLEAR(ID_UPPER) \
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HW_DEV_ACQUISITION_START(ID_UPPER) \
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SR_PRIV struct sr_dev_driver ID##_driver_info = { \
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.name = NAME, \
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.longname = LONGNAME, \
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.api_version = 1, \
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.init = init_##ID_UPPER, \
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.cleanup = cleanup_##ID_UPPER, \
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.scan = scan_##ID_UPPER, \
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.dev_list = dev_list_##ID_UPPER, \
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.dev_clear = dev_clear_##ID_UPPER, \
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.config_get = NULL, \
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.config_set = config_set, \
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.config_list = config_list, \
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.dev_open = dev_open, \
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.dev_close = dev_close, \
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.dev_acquisition_start = dev_acquisition_start_##ID_UPPER, \
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.dev_acquisition_stop = dev_acquisition_stop, \
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.priv = NULL, \
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};
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DRV(center_309, CENTER_309, "center-309", "Center 309")
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DRV(voltcraft_k204, VOLTCRAFT_K204, "voltcraft-k204", "Voltcraft K204")
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@ -20,12 +20,192 @@
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#include "protocol.h"
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SR_PRIV int center_3xx_receive_data(int fd, int revents, void *cb_data)
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{
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(void)fd;
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struct center_info {
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float temp[4];
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gboolean rec, std, max, min, maxmin, t1t2, rel, hold, lowbat, celsius;
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gboolean memfull, autooff;
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gboolean mode_std, mode_rel, mode_max, mode_min, mode_maxmin;
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};
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const struct sr_dev_inst *sdi;
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static int center_send(struct sr_serial_dev_inst *serial, const char *cmd)
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{
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int ret;
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if ((ret = serial_write(serial, cmd, strlen(cmd))) < 0) {
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sr_err("Error sending '%s' command: %d.", cmd, ret);
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return SR_ERR;
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}
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return SR_OK;
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}
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SR_PRIV gboolean center_3xx_packet_valid(const uint8_t *buf)
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{
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return (buf[0] == 0x02 && buf[44] == 0x03);
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}
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static void log_packet(const uint8_t *buf, int idx)
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{
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int i;
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GString *s;
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s = g_string_sized_new(100);
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g_string_printf(s, "Packet: ");
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for (i = 0; i < center_devs[idx].packet_size; i++)
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g_string_append_printf(s, "%02x ", buf[i]);
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sr_spew("%s", s->str);
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g_string_free(s, TRUE);
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}
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static int packet_parse(const uint8_t *buf, int idx, struct center_info *info)
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{
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int i;
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uint16_t temp_u16;
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log_packet(buf, idx);
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/* Byte 0: Always 0x02. */
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/* Byte 1: Various status bits. */
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info->rec = (buf[1] & (1 << 0)) != 0;
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info->mode_std = (((buf[1] >> 1) & 0x3) == 0);
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info->mode_max = (((buf[1] >> 1) & 0x3) == 1);
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info->mode_min = (((buf[1] >> 1) & 0x3) == 2);
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info->mode_maxmin = (((buf[1] >> 1) & 0x3) == 3);
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/* TODO: Rel. Not available on all models. */
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info->t1t2 = (buf[1] & (1 << 3)) != 0;
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info->rel = (buf[1] & (1 << 4)) != 0;
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info->hold = (buf[1] & (1 << 5)) != 0;
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info->lowbat = (buf[1] & (1 << 6)) != 0;
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info->celsius = (buf[1] & (1 << 7)) != 0;
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/* Byte 2: Further status bits. */
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info->memfull = (buf[2] & (1 << 0)) != 0;
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info->autooff = (buf[2] & (1 << 7)) != 0;
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/* Byte 7+8/9+10/11+12/13+14: channel T1/T2/T3/T4 temperature. */
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for (i = 0; i < 4; i++) {
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temp_u16 = buf[8 + (i * 2)];
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temp_u16 |= ((uint16_t)buf[7 + (i * 2)] << 8);
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info->temp[i] = (float)temp_u16;
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}
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/* Byte 43: Specifies whether we need to divide the value(s) by 10. */
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for (i = 0; i < 4; i++) {
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/* Bit = 0: Divide by 10. Bit = 1: Don't divide by 10. */
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if ((buf[43] & (1 << i)) == 0)
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info->temp[i] /= 10;
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}
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/* Bytes 39-42: Overflow/overlimit bits, depending on mode. */
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for (i = 0; i < 4; i++) {
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if (info->mode_std && ((buf[39] & (1 << i)) != 0))
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info->temp[i] = INFINITY;
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/* TODO: Rel. Not available on all models. */
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// if (info->mode_rel && ((buf[40] & (1 << i)) != 0))
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// info->temp[i] = INFINITY;
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if (info->mode_max && ((buf[41] & (1 << i)) != 0))
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info->temp[i] = INFINITY;
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if (info->mode_min && ((buf[42] & (1 << i)) != 0))
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info->temp[i] = INFINITY;
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/* TODO: Minmax? */
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}
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/* Byte 44: Always 0x03. */
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return SR_OK;
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}
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|
||||
static int handle_packet(const uint8_t *buf, struct sr_dev_inst *sdi, int idx)
|
||||
{
|
||||
struct sr_datafeed_packet packet;
|
||||
struct sr_datafeed_analog analog;
|
||||
struct dev_context *devc;
|
||||
struct center_info info;
|
||||
GSList *l;
|
||||
int i, ret;
|
||||
|
||||
devc = sdi->priv;
|
||||
|
||||
memset(&analog, 0, sizeof(struct sr_datafeed_analog));
|
||||
memset(&info, 0, sizeof(struct center_info));
|
||||
|
||||
ret = packet_parse(buf, idx, &info);
|
||||
if (ret < 0) {
|
||||
sr_err("Failed to parse packet.");
|
||||
return SR_ERR;
|
||||
}
|
||||
|
||||
/* Common values for all 4 probes. */
|
||||
packet.type = SR_DF_ANALOG;
|
||||
packet.payload = &analog;
|
||||
analog.mq = SR_MQ_TEMPERATURE;
|
||||
analog.unit = (info.celsius) ? SR_UNIT_CELSIUS : SR_UNIT_FAHRENHEIT;
|
||||
analog.num_samples = 1;
|
||||
|
||||
/* Send the values for T1 - T4. */
|
||||
for (i = 0; i < 4; i++) {
|
||||
l = NULL;
|
||||
l = g_slist_append(l, g_slist_nth_data(sdi->probes, i));
|
||||
analog.probes = l;
|
||||
analog.data = &(info.temp[i]);
|
||||
sr_session_send(devc->cb_data, &packet);
|
||||
g_slist_free(l);
|
||||
}
|
||||
|
||||
devc->num_samples++;
|
||||
|
||||
return SR_OK;
|
||||
}
|
||||
|
||||
/* Return TRUE if a full packet was parsed, FALSE otherwise. */
|
||||
static gboolean handle_new_data(struct sr_dev_inst *sdi, int idx)
|
||||
{
|
||||
struct dev_context *devc;
|
||||
struct sr_serial_dev_inst *serial;
|
||||
int len, i, offset = 0, ret = FALSE;
|
||||
|
||||
devc = sdi->priv;
|
||||
serial = sdi->conn;
|
||||
|
||||
/* Try to get as much data as the buffer can hold. */
|
||||
len = SERIAL_BUFSIZE - devc->buflen;
|
||||
len = serial_read(serial, devc->buf + devc->buflen, len);
|
||||
if (len < 1) {
|
||||
sr_err("Serial port read error: %d.", len);
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
devc->buflen += len;
|
||||
|
||||
/* Now look for packets in that data. */
|
||||
while ((devc->buflen - offset) >= center_devs[idx].packet_size) {
|
||||
if (center_devs[idx].packet_valid(devc->buf + offset)) {
|
||||
handle_packet(devc->buf + offset, sdi, idx);
|
||||
offset += center_devs[idx].packet_size;
|
||||
ret = TRUE;
|
||||
} else {
|
||||
offset++;
|
||||
}
|
||||
}
|
||||
|
||||
/* If we have any data left, move it to the beginning of our buffer. */
|
||||
for (i = 0; i < devc->buflen - offset; i++)
|
||||
devc->buf[i] = devc->buf[offset + i];
|
||||
devc->buflen -= offset;
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int receive_data(int fd, int revents, int idx, void *cb_data)
|
||||
{
|
||||
struct sr_dev_inst *sdi;
|
||||
struct dev_context *devc;
|
||||
int64_t t;
|
||||
static gboolean request_new_packet = TRUE;
|
||||
struct sr_serial_dev_inst *serial;
|
||||
|
||||
(void)fd;
|
||||
|
||||
if (!(sdi = cb_data))
|
||||
return TRUE;
|
||||
|
|
@ -33,9 +213,44 @@ SR_PRIV int center_3xx_receive_data(int fd, int revents, void *cb_data)
|
|||
if (!(devc = sdi->priv))
|
||||
return TRUE;
|
||||
|
||||
serial = sdi->conn;
|
||||
|
||||
if (revents == G_IO_IN) {
|
||||
/* TODO */
|
||||
/* New data arrived. */
|
||||
request_new_packet = handle_new_data(sdi, idx);
|
||||
} else {
|
||||
/*
|
||||
* Timeout. Send "A" to request a packet, but then don't send
|
||||
* further "A" commands until we received a full packet first.
|
||||
*/
|
||||
if (request_new_packet) {
|
||||
center_send(serial, "A");
|
||||
request_new_packet = FALSE;
|
||||
}
|
||||
}
|
||||
|
||||
if (devc->limit_samples && devc->num_samples >= devc->limit_samples) {
|
||||
sr_info("Requested number of samples reached.");
|
||||
sdi->driver->dev_acquisition_stop(sdi, cb_data);
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
if (devc->limit_msec) {
|
||||
t = (g_get_monotonic_time() - devc->starttime) / 1000;
|
||||
if (t > (int64_t)devc->limit_msec) {
|
||||
sr_info("Requested time limit reached.");
|
||||
sdi->driver->dev_acquisition_stop(sdi, cb_data);
|
||||
return TRUE;
|
||||
}
|
||||
}
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
#define RECEIVE_DATA(ID_UPPER) \
|
||||
SR_PRIV int receive_data_##ID_UPPER(int fd, int revents, void *cb_data) { \
|
||||
return receive_data(fd, revents, ID_UPPER, cb_data); }
|
||||
|
||||
/* Driver-specific receive_data() wrappers */
|
||||
RECEIVE_DATA(CENTER_309)
|
||||
RECEIVE_DATA(VOLTCRAFT_K204)
|
||||
|
|
|
|||
|
|
@ -22,6 +22,9 @@
|
|||
#define LIBSIGROK_HARDWARE_CENTER_3XX_PROTOCOL_H
|
||||
|
||||
#include <stdint.h>
|
||||
#include <string.h>
|
||||
#include <ctype.h>
|
||||
#include <math.h>
|
||||
#include <glib.h>
|
||||
#include "libsigrok.h"
|
||||
#include "libsigrok-internal.h"
|
||||
|
|
@ -35,18 +38,54 @@
|
|||
#define sr_warn(s, args...) sr_warn(LOG_PREFIX s, ## args)
|
||||
#define sr_err(s, args...) sr_err(LOG_PREFIX s, ## args)
|
||||
|
||||
/** Private, per-device-instance driver context. */
|
||||
struct dev_context {
|
||||
/* Model-specific information */
|
||||
|
||||
/* Acquisition settings */
|
||||
|
||||
/* Operational state */
|
||||
|
||||
/* Temporary state across callbacks */
|
||||
|
||||
/* Note: When adding entries here, don't forget to update CENTER_DEV_COUNT. */
|
||||
enum {
|
||||
CENTER_309,
|
||||
VOLTCRAFT_K204,
|
||||
};
|
||||
|
||||
SR_PRIV int center_3xx_receive_data(int fd, int revents, void *cb_data);
|
||||
#define CENTER_DEV_COUNT 2
|
||||
|
||||
struct center_dev_info {
|
||||
char *vendor;
|
||||
char *device;
|
||||
char *conn;
|
||||
int num_channels;
|
||||
uint32_t max_sample_points;
|
||||
uint8_t packet_size;
|
||||
gboolean (*packet_valid)(const uint8_t *);
|
||||
struct sr_dev_driver *di;
|
||||
int (*receive_data)(int, int, void *);
|
||||
};
|
||||
|
||||
extern SR_PRIV const struct center_dev_info center_devs[CENTER_DEV_COUNT];
|
||||
|
||||
#define SERIAL_BUFSIZE 256
|
||||
|
||||
/** Private, per-device-instance driver context. */
|
||||
struct dev_context {
|
||||
/** The current sampling limit (in number of samples). */
|
||||
uint64_t limit_samples;
|
||||
|
||||
/** The current sampling limit (in ms). */
|
||||
uint64_t limit_msec;
|
||||
|
||||
/** Opaque pointer passed in by the frontend. */
|
||||
void *cb_data;
|
||||
|
||||
/** The current number of already received samples. */
|
||||
uint64_t num_samples;
|
||||
|
||||
int64_t starttime;
|
||||
|
||||
uint8_t buf[SERIAL_BUFSIZE];
|
||||
int bufoffset;
|
||||
int buflen;
|
||||
};
|
||||
|
||||
SR_PRIV gboolean center_3xx_packet_valid(const uint8_t *buf);
|
||||
|
||||
SR_PRIV int receive_data_CENTER_309(int fd, int revents, void *cb_data);
|
||||
SR_PRIV int receive_data_VOLTCRAFT_K204(int fd, int revents, void *cb_data);
|
||||
|
||||
#endif
|
||||
|
|
|
|||
|
|
@ -108,7 +108,8 @@ extern SR_PRIV struct sr_dev_driver brymen_bm857_driver_info;
|
|||
extern SR_PRIV struct sr_dev_driver cem_dt_885x_driver_info;
|
||||
#endif
|
||||
#ifdef HAVE_HW_CENTER_3XX
|
||||
extern SR_PRIV struct sr_dev_driver center_3xx_driver_info;
|
||||
extern SR_PRIV struct sr_dev_driver center_309_driver_info;
|
||||
extern SR_PRIV struct sr_dev_driver voltcraft_k204_driver_info;
|
||||
#endif
|
||||
#ifdef HAVE_HW_COLEAD_SLM
|
||||
extern SR_PRIV struct sr_dev_driver colead_slm_driver_info;
|
||||
|
|
@ -214,7 +215,8 @@ static struct sr_dev_driver *drivers_list[] = {
|
|||
&cem_dt_885x_driver_info,
|
||||
#endif
|
||||
#ifdef HAVE_HW_CENTER_3XX
|
||||
¢er_3xx_driver_info,
|
||||
¢er_309_driver_info,
|
||||
&voltcraft_k204_driver_info,
|
||||
#endif
|
||||
#ifdef HAVE_HW_COLEAD_SLM
|
||||
&colead_slm_driver_info,
|
||||
|
|
|
|||
Loading…
Reference in New Issue