X-Git-Url: http://sigrok.org/gitweb/?a=blobdiff_plain;f=hardware%2Fbrymen-dmm%2Fapi.c;h=00ff6cf110783be92707c3e42c8d53183b069a91;hb=HEAD;hp=b1b3acb929ea21c25d90c0c7387bbe4063de74e2;hpb=c5d6f5cc1c0069a5141c5c76f7e17dd592427138;p=libsigrok.git diff --git a/hardware/brymen-dmm/api.c b/hardware/brymen-dmm/api.c deleted file mode 100644 index b1b3acb9..00000000 --- a/hardware/brymen-dmm/api.c +++ /dev/null @@ -1,358 +0,0 @@ -/* - * This file is part of the libsigrok project. - * - * Copyright (C) 2012 Alexandru Gagniuc - * - * 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 int hwopts[] = { - SR_CONF_CONN, - SR_CONF_SERIALCOMM, - 0, -}; - -static const int hwcaps[] = { - SR_CONF_MULTIMETER, - SR_CONF_LIMIT_SAMPLES, - SR_CONF_CONTINUOUS, - SR_CONF_LIMIT_MSEC, - 0, -}; - -SR_PRIV struct sr_dev_driver brymen_bm857_driver_info; -static struct sr_dev_driver *di = &brymen_bm857_driver_info; - -static int hw_init(struct sr_context *sr_ctx) -{ - return std_hw_init(sr_ctx, di, DRIVER_LOG_DOMAIN); -} - -static void free_instance(void *inst) -{ - struct sr_dev_inst *sdi; - struct dev_context *devc; - - if (!(sdi = inst)) - return; - if (!(devc = sdi->priv)) - return; - sr_serial_dev_inst_free(devc->serial); - sr_dev_inst_free(sdi); -} - -/* Properly close and free all devices. */ -static int clear_instances(void) -{ - struct drv_context *drvc; - - if (!(drvc = di->priv)) - return SR_OK; - - g_slist_free_full(drvc->instances, free_instance); - drvc->instances = NULL; - - return SR_OK; -} - -static GSList *brymen_scan(const char *conn, const char *serialcomm) -{ - struct sr_dev_inst *sdi; - struct dev_context *devc; - struct drv_context *drvc; - struct sr_probe *probe; - struct sr_serial_dev_inst *serial; - GSList *devices; - int ret; - uint8_t buf[128]; - size_t len; - - if (!(serial = sr_serial_dev_inst_new(conn, serialcomm))) - return NULL; - - if (serial_open(serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK) - return NULL; - - sr_info("Probing port %s.", conn); - - devices = NULL; - - /* Request reading */ - if ((ret = brymen_packet_request(serial)) < 0) { - sr_err("Unable to send command: %d.", ret); - goto scan_cleanup; - } - - len = 128; - ret = brymen_stream_detect(serial, buf, &len, brymen_packet_length, - brymen_packet_is_valid, 1000, 9600); - if (ret != SR_OK) - goto scan_cleanup; - - sr_info("Found device on port %s.", conn); - - if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, "Brymen", "BM85x", ""))) - goto scan_cleanup; - - if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) { - sr_err("Device context malloc failed."); - goto scan_cleanup; - } - - devc->serial = serial; - drvc = di->priv; - sdi->priv = devc; - sdi->driver = di; - - if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "P1"))) - goto scan_cleanup; - - sdi->probes = g_slist_append(sdi->probes, probe); - drvc->instances = g_slist_append(drvc->instances, sdi); - devices = g_slist_append(devices, sdi); - -scan_cleanup: - serial_close(serial); - - return devices; -} - -static GSList *hw_scan(GSList *options) -{ - struct drv_context *drvc; - struct sr_config *src; - GSList *devices, *l; - const char *conn, *serialcomm; - - (void)options; - - 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 = src->value; - break; - case SR_CONF_SERIALCOMM: - serialcomm = src->value; - break; - } - } - if (!conn) { - return NULL; - } - - if (serialcomm) { - /* Use the provided comm specs. */ - devices = brymen_scan(conn, serialcomm); - } else { - /* But 9600/8n1 should work all of the time. */ - devices = brymen_scan(conn, "9600/8n1/dtr=1/rts=1"); - } - - return devices; -} - -static GSList *hw_dev_list(void) -{ - struct drv_context *drvc; - - drvc = di->priv; - - return drvc->instances; -} - -static int hw_dev_open(struct sr_dev_inst *sdi) -{ - struct dev_context *devc; - - if (!(devc = sdi->priv)) { - sr_err("sdi->priv was NULL."); - return SR_ERR_BUG; - } - - if (serial_open(devc->serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK) - return SR_ERR; - - sdi->status = SR_ST_ACTIVE; - - return SR_OK; -} - -static int hw_dev_close(struct sr_dev_inst *sdi) -{ - struct dev_context *devc; - - if (!(devc = sdi->priv)) { - sr_err("sdi->priv was NULL."); - return SR_ERR_BUG; - } - - if (devc->serial && devc->serial->fd != -1) { - serial_close(devc->serial); - sdi->status = SR_ST_INACTIVE; - } - - return SR_OK; -} - -static int hw_cleanup(void) -{ - clear_instances(); - - return SR_OK; -} - -static int config_list(int key, const void **data, - const struct sr_dev_inst *sdi) -{ - (void)sdi; - - switch (key) { - case SR_CONF_SCAN_OPTIONS: - *data = hwopts; - break; - case SR_CONF_DEVICE_OPTIONS: - *data = hwcaps; - break; - default: - sr_err("Unknown config key: %d.", key); - return SR_ERR_ARG; - } - - return SR_OK; -} - -static int hw_dev_config_set(int id, const void *value, - const struct sr_dev_inst *sdi) -{ - struct dev_context *devc; - int ret; - - if (sdi->status != SR_ST_ACTIVE) { - sr_err("Device inactive, can't set config options."); - return SR_ERR; - } - - if (!(devc = sdi->priv)) { - sr_err("sdi->priv was NULL."); - return SR_ERR_BUG; - } - - ret = SR_OK; - switch (id) { - case SR_CONF_LIMIT_SAMPLES: - devc->limit_samples = *(const uint64_t *)value; - break; - case SR_CONF_LIMIT_MSEC: - devc->limit_msec = *(const uint64_t *)value; - break; - default: - sr_err("Unknown hardware capability: %d.", id); - ret = SR_ERR_ARG; - } - - return ret; -} - -static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi, - void *cb_data) -{ - struct sr_datafeed_packet packet; - struct sr_datafeed_header header; - struct dev_context *devc; - - if (!(devc = sdi->priv)) { - sr_err("sdi->priv was NULL."); - return SR_ERR_BUG; - } - - sr_dbg("Starting acquisition."); - - devc->cb_data = cb_data; - - /* - * Reset the number of samples to take. If we've already collected our - * quota, but we start a new session, and don't reset this, we'll just - * quit without acquiring any new samples. - */ - devc->num_samples = 0; - devc->starttime = g_get_monotonic_time(); - - /* Send header packet to the session bus. */ - sr_dbg("Sending SR_DF_HEADER."); - packet.type = SR_DF_HEADER; - packet.payload = &header; - header.feed_version = 1; - gettimeofday(&header.starttime, NULL); - sr_session_send(devc->cb_data, &packet); - - /* Poll every 50ms, or whenever some data comes in. */ - sr_source_add(devc->serial->fd, G_IO_IN, 50, - brymen_dmm_receive_data, (void *)sdi); - - return SR_OK; -} - -static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) -{ - struct sr_datafeed_packet packet; - struct dev_context *devc; - - if (sdi->status != SR_ST_ACTIVE) { - sr_err("Device inactive, can't stop acquisition."); - return SR_ERR; - } - - if (!(devc = sdi->priv)) { - sr_err("sdi->priv was NULL."); - return SR_ERR_BUG; - } - - sr_dbg("Stopping acquisition."); - - sr_source_remove(devc->serial->fd); - hw_dev_close((struct sr_dev_inst *)sdi); - - /* Send end packet to the session bus. */ - sr_dbg("Sending SR_DF_END."); - packet.type = SR_DF_END; - sr_session_send(cb_data, &packet); - - return SR_OK; -} - -SR_PRIV struct sr_dev_driver brymen_bm857_driver_info = { - .name = "brymen-bm857", - .longname = "Brymen BM857", - .api_version = 1, - .init = hw_init, - .cleanup = hw_cleanup, - .scan = hw_scan, - .dev_list = hw_dev_list, - .dev_clear = clear_instances, - .dev_open = hw_dev_open, - .dev_close = hw_dev_close, - .config_list = config_list, - .config_set = hw_dev_config_set, - .dev_acquisition_start = hw_dev_acquisition_start, - .dev_acquisition_stop = hw_dev_acquisition_stop, - .priv = NULL, -};