X-Git-Url: http://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fhardware%2Fmastech-ms6514%2Fapi.c;fp=src%2Fhardware%2Fmastech-ms6514%2Fapi.c;h=7173cb3c98db1ef47ee4989cf4e3bd871167c290;hb=23669c3df33a3ea884afabf4b7a8cd6fe4a75824;hp=0000000000000000000000000000000000000000;hpb=212769c3b86a8aa01c5573e07bd57f000932e8bb;p=libsigrok.git diff --git a/src/hardware/mastech-ms6514/api.c b/src/hardware/mastech-ms6514/api.c new file mode 100644 index 00000000..7173cb3c --- /dev/null +++ b/src/hardware/mastech-ms6514/api.c @@ -0,0 +1,219 @@ +/* + * This file is part of the libsigrok project. + * + * Copyright (C) 2019 Dave Buechi + * + * 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 +#include "protocol.h" + +static const uint32_t scanopts[] = { + SR_CONF_CONN, + SR_CONF_SERIALCOMM, +}; + +static const uint32_t drvopts[] = { + SR_CONF_THERMOMETER, +}; + +static const uint32_t devopts[] = { + SR_CONF_CONTINUOUS, + SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET, + SR_CONF_LIMIT_MSEC | SR_CONF_GET | SR_CONF_SET, + SR_CONF_DATA_SOURCE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, +}; + +static const char *channel_names[] = { + "T1", "T2", "T1-T2", +}; + +static const char *data_sources[] = { + "Live", "Memory", +}; + +static GSList *scan(struct sr_dev_driver *di, GSList *options) +{ + struct dev_context *devc; + struct sr_serial_dev_inst *serial; + struct sr_dev_inst *sdi; + struct sr_config *src; + GSList *devices, *l; + const char *conn, *serialcomm; + uint8_t buf[2 * MASTECH_MS6514_FRAME_SIZE]; + size_t len, i; + + len = sizeof(buf); + devices = 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 = "9600/8n1"; + + serial = sr_serial_dev_inst_new(conn, serialcomm); + + if (serial_open(serial, SERIAL_RDONLY) != SR_OK) + return NULL; + + sr_info("Probing serial port %s.", conn); + + serial_flush(serial); + + /* Let's get a bit of data and see if we can find a packet. */ + if (serial_stream_detect(serial, buf, &len, (2 * MASTECH_MS6514_FRAME_SIZE), + mastech_ms6514_packet_valid, 500) != SR_OK) + goto scan_cleanup; + + sr_info("Found device on port %s.", conn); + + sdi = g_malloc0(sizeof(struct sr_dev_inst)); + sdi->status = SR_ST_INACTIVE; + sdi->vendor = g_strdup("MASTECH"); + sdi->model = g_strdup("MS6514"); + devc = g_malloc0(sizeof(struct dev_context)); + devc->data_source = DEFAULT_DATA_SOURCE; + sdi->inst_type = SR_INST_SERIAL; + sdi->conn = serial; + sdi->priv = devc; + + for (i = 0; i < ARRAY_SIZE(channel_names); i++) + sr_channel_new(sdi, i, SR_CHANNEL_ANALOG, TRUE, channel_names[i]); + + devices = g_slist_append(devices, sdi); + +scan_cleanup: + serial_close(serial); + + return std_scan_complete(di, devices); +} + +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 = sdi->priv; + + (void)cg; + + switch (key) { + case SR_CONF_LIMIT_SAMPLES: + case SR_CONF_LIMIT_MSEC: + return sr_sw_limits_config_get(&devc->limits, key, data); + case SR_CONF_DATA_SOURCE: + *data = g_variant_new_string(data_sources[devc->data_source]); + break; + default: + return SR_ERR_NA; + } + + return SR_OK; +} + +static int config_set(uint32_t key, GVariant *data, + const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) +{ + struct dev_context *devc; + int idx; + + (void)cg; + + devc = sdi->priv; + + switch (key) { + case SR_CONF_LIMIT_SAMPLES: + case SR_CONF_LIMIT_MSEC: + return sr_sw_limits_config_set(&devc->limits, key, data); + case SR_CONF_DATA_SOURCE: + if ((idx = std_str_idx(data, ARRAY_AND_SIZE(data_sources))) < 0) + return SR_ERR_ARG; + devc->data_source = idx; + break; + default: + return SR_ERR_NA; + } + + return SR_OK; +} + +static int config_list(uint32_t key, GVariant **data, + const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) +{ + switch (key) { + case SR_CONF_SCAN_OPTIONS: + case SR_CONF_DEVICE_OPTIONS: + return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts); + case SR_CONF_DATA_SOURCE: + *data = g_variant_new_strv(ARRAY_AND_SIZE(data_sources)); + break; + default: + return SR_ERR_NA; + } + + return SR_OK; +} + +static int dev_acquisition_start(const struct sr_dev_inst *sdi) +{ + struct sr_serial_dev_inst *serial; + struct dev_context *devc; + uint8_t command; + + serial = sdi->conn; + devc = sdi->priv; + + sr_sw_limits_acquisition_start(&devc->limits); + std_session_send_df_header(sdi); + + if (devc->data_source == DATA_SOURCE_MEMORY) { + command = CMD_GET_STORED; + serial_write_blocking(serial, &command, sizeof(command), 0); + } + + serial_source_add(sdi->session, serial, G_IO_IN, MASTECH_MS6514_BUF_SIZE, + mastech_ms6514_receive_data, (void *)sdi); + + return SR_OK; +} + +static struct sr_dev_driver mastech_ms6514_driver_info = { + .name = "mastech-ms6514", + .longname = "MASTECH MS6514", + .api_version = 1, + .init = std_init, + .cleanup = std_cleanup, + .scan = scan, + .dev_list = std_dev_list, + .dev_clear = std_dev_clear, + .config_get = config_get, + .config_set = config_set, + .config_list = config_list, + .dev_open = std_serial_dev_open, + .dev_close = std_serial_dev_close, + .dev_acquisition_start = dev_acquisition_start, + .dev_acquisition_stop = std_serial_dev_acquisition_stop, + .context = NULL, +}; +SR_REGISTER_DEV_DRIVER(mastech_ms6514_driver_info);