X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=hardware%2Fnorma-dmm%2Fapi.c;h=96d69b12f1e07dfbd1c99917ef66b20a8b79ae47;hb=HEAD;hp=92b60cbff9ba488d4544d93d5fd3ad563a3c3668;hpb=660e398fe9f5fc608787f8fd75a9df8aac61026f;p=libsigrok.git diff --git a/hardware/norma-dmm/api.c b/hardware/norma-dmm/api.c deleted file mode 100644 index 92b60cbf..00000000 --- a/hardware/norma-dmm/api.c +++ /dev/null @@ -1,308 +0,0 @@ -/* - * This file is part of the libsigrok project. - * - * Copyright (C) 2013 Matthias Heidbrink - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see . - */ - -#include "protocol.h" - -static const int32_t hwopts[] = { - SR_CONF_CONN, - SR_CONF_SERIALCOMM, -}; - -static const int32_t hwcaps[] = { - SR_CONF_MULTIMETER, - SR_CONF_LIMIT_SAMPLES, - SR_CONF_LIMIT_MSEC, - SR_CONF_CONTINUOUS, -}; - -#define BUF_MAX 50 - -#define SERIALCOMM "4800/8n1/dtr=1/rts=0/flow=1" - -SR_PRIV struct sr_dev_driver norma_dmm_driver_info; -static struct sr_dev_driver *di = &norma_dmm_driver_info; - -static int init(struct sr_context *sr_ctx) -{ - return std_init(sr_ctx, di, LOG_PREFIX); -} - -static GSList *scan(GSList *options) -{ - struct sr_dev_inst *sdi; - struct drv_context *drvc; - struct dev_context *devc; - struct sr_config *src; - struct sr_probe *probe; - struct sr_serial_dev_inst *serial; - GSList *l, *devices; - int len, cnt; - const char *conn, *serialcomm; - char *buf; - char fmttype[10]; - char req[10]; - int auxtype; - - devices = NULL; - drvc = di->priv; - drvc->instances = NULL; - conn = serialcomm = NULL; - - for (l = options; l; l = l->next) { - src = l->data; - switch (src->key) { - case SR_CONF_CONN: - conn = g_variant_get_string(src->data, NULL); - break; - case SR_CONF_SERIALCOMM: - serialcomm = g_variant_get_string(src->data, NULL); - break; - } - } - if (!conn) - return NULL; - if (!serialcomm) - serialcomm = SERIALCOMM; - - if (!(serial = sr_serial_dev_inst_new(conn, serialcomm))) - return NULL; - - if (serial_open(serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK) - return NULL; - - serial_flush(serial); - - if (!(buf = g_try_malloc(BUF_MAX))) { - sr_err("Serial buffer malloc failed."); - return NULL; - } - - snprintf(req, sizeof(req), "%s\r\n", - nmadmm_requests[NMADMM_REQ_IDN].req_str); - for (cnt = 0; cnt < 7; cnt++) { - if (serial_write(serial, req, strlen(req)) == -1) { - sr_err("Unable to send identification request: %d %s.", - errno, strerror(errno)); - return NULL; - } - len = BUF_MAX; - serial_readline(serial, &buf, &len, 1500); - if (!len) - continue; - buf[BUF_MAX - 1] = '\0'; - - /* Match ID string, e.g. "1834 065 V1.06,IF V1.02" (DM950) */ - if (g_regex_match_simple("^1834 [^,]*,IF V*", (char *)buf, 0, 0)) { - auxtype = xgittoint(buf[7]); - // TODO: Will this work with non-DM950? - snprintf(fmttype, sizeof(fmttype), "DM9%d0", auxtype); - sr_spew("Norma %s DMM %s detected!", fmttype, &buf[9]); - - if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, - "Norma", fmttype, buf + 9))) - return NULL; - if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) { - sr_err("Device context malloc failed."); - return NULL; - } - devc->type = auxtype; - devc->version = g_strdup(&buf[9]); - devc->elapsed_msec = g_timer_new(); - - sdi->conn = serial; - sdi->priv = devc; - sdi->driver = di; - if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, - "P1"))) - return NULL; - sdi->probes = g_slist_append(sdi->probes, probe); - drvc->instances = g_slist_append(drvc->instances, sdi); - devices = g_slist_append(devices, sdi); - break; - } - - /* - * The interface of the DM9x0 contains a cap that needs to - * charge for up to 10s before the interface works, if not - * powered externally. Therefore wait a little to improve - * chances. - */ - if (cnt == 3) { - sr_info("Waiting 5s to allow interface to settle."); - g_usleep(5 * 1000 * 1000); - } - } - - g_free(buf); - - serial_close(serial); - if (!devices) - sr_serial_dev_inst_free(serial); - - return devices; -} - -static GSList *dev_list(void) -{ - return ((struct drv_context *)(di->priv))->instances; -} - -static int dev_close(struct sr_dev_inst *sdi) -{ - struct dev_context *devc; - - std_serial_dev_close(sdi); - - /* Free dynamically allocated resources. */ - if ((devc = sdi->priv) && devc->version) { - g_free(devc->version); - devc->version = NULL; - g_timer_destroy(devc->elapsed_msec); - } - - return SR_OK; -} - -static int cleanup(void) -{ - return std_dev_clear(di, NULL); -} - -static int config_set(int key, GVariant *data, const struct sr_dev_inst *sdi, - const struct sr_channel_group *channel_group) -{ - struct dev_context *devc; - - (void)channel_group; - - if (sdi->status != SR_ST_ACTIVE) - return SR_ERR_DEV_CLOSED; - - if (!(devc = sdi->priv)) { - sr_err("sdi->priv was NULL."); - return SR_ERR_BUG; - } - - switch (key) { - case SR_CONF_LIMIT_MSEC: - /* TODO: not yet implemented */ - if (g_variant_get_uint64(data) == 0) { - sr_err("LIMIT_MSEC can't be 0."); - return SR_ERR; - } - devc->limit_msec = g_variant_get_uint64(data); - sr_dbg("Setting time limit to %" PRIu64 "ms.", - devc->limit_msec); - break; - case SR_CONF_LIMIT_SAMPLES: - devc->limit_samples = g_variant_get_uint64(data); - sr_dbg("Setting sample limit to %" PRIu64 ".", - devc->limit_samples); - break; - default: - return SR_ERR_NA; - } - - return SR_OK; -} - -static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi, - const struct sr_channel_group *channel_group) -{ - (void)sdi; - (void)channel_group; - - switch (key) { - case SR_CONF_SCAN_OPTIONS: - *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, - hwopts, ARRAY_SIZE(hwopts), sizeof(int32_t)); - break; - case SR_CONF_DEVICE_OPTIONS: - *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, - hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t)); - break; - default: - return SR_ERR_NA; - } - - return SR_OK; -} - -static int dev_acquisition_start(const struct sr_dev_inst *sdi, - void *cb_data) -{ - struct dev_context *devc; - struct sr_serial_dev_inst *serial; - - (void)sdi; - (void)cb_data; - - if (!sdi || !cb_data || !(devc = sdi->priv)) - return SR_ERR_BUG; - - if (sdi->status != SR_ST_ACTIVE) - return SR_ERR_DEV_CLOSED; - - devc->cb_data = cb_data; - - /* Send header packet to the session bus. */ - std_session_send_df_header(cb_data, LOG_PREFIX); - - /* Start timer, if required. */ - if (devc->limit_msec) - g_timer_start(devc->elapsed_msec); - - /* Poll every 100ms, or whenever some data comes in. */ - serial = sdi->conn; - serial_source_add(serial, G_IO_IN, 100, norma_dmm_receive_data, - (void *)sdi); - - return SR_OK; -} - -static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) -{ - struct dev_context *devc; - - /* Stop timer, if required. */ - if (sdi && (devc = sdi->priv) && devc->limit_msec) - g_timer_stop(devc->elapsed_msec); - - return std_serial_dev_acquisition_stop(sdi, cb_data, dev_close, - sdi->conn, LOG_PREFIX); -} - -SR_PRIV struct sr_dev_driver norma_dmm_driver_info = { - .name = "norma-dmm", - .longname = "Norma DM9x0 / Siemens B102x DMMs", - .api_version = 1, - .init = init, - .cleanup = cleanup, - .scan = scan, - .dev_list = dev_list, - .dev_clear = NULL, - .config_get = NULL, - .config_set = config_set, - .config_list = config_list, - .dev_open = std_serial_dev_open, - .dev_close = dev_close, - .dev_acquisition_start = dev_acquisition_start, - .dev_acquisition_stop = dev_acquisition_stop, - .priv = NULL, -};