X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=hardware%2Ffluke-dmm%2Fapi.c;h=3d739a18d26666431793ff6f04c22d8d9af6869f;hb=43cd4637285833706f8a404ca027bcf0ee75b9ae;hp=1662afc45481fc60831d12f02a6c32c60be5b9af;hpb=883a2e9e71d4d0f84d9f8df6a6a5e754052bad8a;p=libsigrok.git diff --git a/hardware/fluke-dmm/api.c b/hardware/fluke-dmm/api.c index 1662afc4..3d739a18 100644 --- a/hardware/fluke-dmm/api.c +++ b/hardware/fluke-dmm/api.c @@ -1,5 +1,5 @@ /* - * This file is part of the sigrok project. + * This file is part of the libsigrok project. * * Copyright (C) 2012 Bert Vermeulen * @@ -18,185 +18,305 @@ */ #include +#include +#include +#include +#include +#include #include "libsigrok.h" #include "libsigrok-internal.h" -#include "config.h" +#include "fluke-dmm.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, +}; + +SR_PRIV struct sr_dev_driver flukedmm_driver_info; +static struct sr_dev_driver *di = &flukedmm_driver_info; + +static char *scan_conn[] = { + /* 287/289 */ + "115200/8n1", + /* 187/189 */ + "9600/8n1", + /* Scopemeter 190 series */ + "1200/8n1", + NULL +}; -SR_PRIV struct sr_dev_driver driver_info; -static struct sr_dev_driver *di = &driver_info; +static const struct flukedmm_profile supported_flukedmm[] = { + { FLUKE_187, "187", 100, 1000 }, + { FLUKE_189, "189", 100, 1000 }, + { FLUKE_287, "287", 100, 1000 }, + { FLUKE_190, "199B", 1000, 3500 }, +}; -/* TODO move to header file */ -struct drv_context { GSList *instances; }; -struct dev_context { }; +static int init(struct sr_context *sr_ctx) +{ + return std_init(sr_ctx, di, LOG_PREFIX); +} -/* Properly close and free all devices. */ -static int clear_instances(void) +static GSList *fluke_scan(const char *conn, const char *serialcomm) { struct sr_dev_inst *sdi; struct drv_context *drvc; struct dev_context *devc; - GSList *l; + struct sr_channel *ch; + struct sr_serial_dev_inst *serial; + GSList *devices; + int retry, len, i, s; + char buf[128], *b, **tokens; + + if (!(serial = sr_serial_dev_inst_new(conn, serialcomm))) + return NULL; + + if (serial_open(serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK) + return NULL; drvc = di->priv; - for (l = drvc->instances; l; l = l->next) { - if (!(sdi = l->data)) { - /* Log error, but continue cleaning up the rest. */ - sr_err("TODO: %s: sdi was NULL, continuing", __func__); - continue; - } - if (!(devc = sdi->priv)) { - /* Log error, but continue cleaning up the rest. */ - sr_err("TODO: %s: sdi->priv was NULL, continuing", __func__); + b = buf; + retry = 0; + devices = NULL; + /* We'll try the discovery sequence three times in case the device + * is not in an idle state when we send ID. */ + while (!devices && retry < 3) { + retry++; + serial_flush(serial); + if (serial_write(serial, "ID\r", 3) == -1) { + sr_err("Unable to send ID string: %s.", + strerror(errno)); continue; } - /* TODO */ + /* Response is first a CMD_ACK byte (ASCII '0' for OK, + * or '1' to signify an error. */ + len = 128; + serial_readline(serial, &b, &len, 150); + if (len != 1) + continue; + if (buf[0] != '0') + continue; - sr_dev_inst_free(sdi); + /* If CMD_ACK was OK, ID string follows. */ + len = 128; + serial_readline(serial, &b, &len, 850); + if (len < 10) + continue; + if (strcspn(buf, ",") < 15) + /* Looks like it's comma-separated. */ + tokens = g_strsplit(buf, ",", 3); + else + /* Fluke 199B, at least, uses semicolon. */ + tokens = g_strsplit(buf, ";", 3); + if (!strncmp("FLUKE", tokens[0], 5) + && tokens[1] && tokens[2]) { + for (i = 0; supported_flukedmm[i].model; i++) { + if (strcmp(supported_flukedmm[i].modelname, tokens[0] + 6)) + continue; + /* Skip leading spaces in version number. */ + for (s = 0; tokens[1][s] == ' '; s++); + if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, "Fluke", + tokens[0] + 6, tokens[1] + s))) + return NULL; + if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) { + sr_err("Device context malloc failed."); + return NULL; + } + devc->profile = &supported_flukedmm[i]; + sdi->inst_type = SR_INST_SERIAL; + sdi->conn = serial; + sdi->priv = devc; + sdi->driver = di; + if (!(ch = sr_channel_new(0, SR_CHANNEL_ANALOG, TRUE, "P1"))) + return NULL; + sdi->channels = g_slist_append(sdi->channels, ch); + drvc->instances = g_slist_append(drvc->instances, sdi); + devices = g_slist_append(devices, sdi); + break; + } + } + g_strfreev(tokens); + if (devices) + /* Found one. */ + break; } + serial_close(serial); + if (!devices) + sr_serial_dev_inst_free(serial); - g_slist_free(drvc->instances); - drvc->instances = NULL; - - return SR_OK; + return devices; } -static int hw_init(void) +static GSList *scan(GSList *options) { - struct drv_context *drvc; - - if (!(drvc = g_try_malloc0(sizeof(struct drv_context)))) { - sr_err("TODO: driver context malloc failed."); - return SR_ERR; + struct sr_config *src; + GSList *l, *devices; + int i; + const char *conn, *serialcomm; + + 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) { + /* Use the provided comm specs. */ + devices = fluke_scan(conn, serialcomm); + } else { + for (i = 0; scan_conn[i]; i++) { + if ((devices = fluke_scan(conn, scan_conn[i]))) + break; + /* The Scopemeter 199B, at least, requires this + * after all the 115k/9.6k confusion. */ + g_usleep(5000); + } } - - /* TODO */ - - di->priv = drvc; - - return SR_OK; -} - -static GSList *hw_scan(GSList *options) -{ - struct drv_context *drvc; - GSList *devices; - - (void)options; - devices = NULL; - drvc = di->priv; - drvc->instances = NULL; - - /* TODO */ return devices; } -static GSList *hw_dev_list(void) +static GSList *dev_list(void) { - struct drv_context *drvc; - - drvc = di->priv; - - return drvc->instances; + return ((struct drv_context *)(di->priv))->instances; } -static int hw_dev_open(struct sr_dev_inst *sdi) +static int cleanup(void) { - - /* TODO */ - - return SR_OK; + return std_dev_clear(di, NULL); } -static int hw_dev_close(struct sr_dev_inst *sdi) +static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi, + const struct sr_channel_group *cg) { + struct dev_context *devc; - /* TODO */ + (void)cg; - return SR_OK; -} - -static int hw_cleanup(void) -{ + if (sdi->status != SR_ST_ACTIVE) + return SR_ERR_DEV_CLOSED; - clear_instances(); + if (!(devc = sdi->priv)) { + sr_err("sdi->priv was NULL."); + return SR_ERR_BUG; + } - /* TODO */ + switch (id) { + 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 hw_info_get(int info_id, const void **data, - const struct sr_dev_inst *sdi) +static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi, + const struct sr_channel_group *cg) { - - - switch (info_id) { - /* TODO */ + (void)sdi; + (void)cg; + + 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_ARG; + return SR_ERR_NA; } return SR_OK; } -static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap, - const void *value) +static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data) { - int ret; + struct dev_context *devc; + struct sr_serial_dev_inst *serial; if (sdi->status != SR_ST_ACTIVE) - return SR_ERR; + return SR_ERR_DEV_CLOSED; - ret = SR_OK; - switch (hwcap) { - /* TODO */ - default: - ret = SR_ERR_ARG; + if (!(devc = sdi->priv)) { + sr_err("sdi->priv was NULL."); + return SR_ERR_BUG; } - return ret; -} + devc->cb_data = cb_data; -static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi, - void *cb_data) -{ + /* Send header packet to the session bus. */ + std_session_send_df_header(cb_data, LOG_PREFIX); + + /* Poll every 100ms, or whenever some data comes in. */ + serial = sdi->conn; + serial_source_add(sdi->session, serial, G_IO_IN, 50, + fluke_receive_data, (void *)sdi); - /* TODO */ + if (serial_write(serial, "QM\r", 3) == -1) { + sr_err("Unable to send QM: %s.", strerror(errno)); + return SR_ERR; + } + devc->cmd_sent_at = g_get_monotonic_time() / 1000; + devc->expect_response = TRUE; return SR_OK; } -static int hw_dev_acquisition_stop(const struct sr_dev_inst *sdi, - void *cb_data) +static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) { - - (void)cb_data; - - if (sdi->status != SR_ST_ACTIVE) - return SR_ERR; - - /* TODO */ - - return SR_OK; + return std_serial_dev_acquisition_stop(sdi, cb_data, std_serial_dev_close, + sdi->conn, LOG_PREFIX); } -SR_PRIV struct sr_dev_driver driver_info = { +SR_PRIV struct sr_dev_driver flukedmm_driver_info = { .name = "fluke-dmm", .longname = "Fluke 18x/28x series DMMs", .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, - .info_get = hw_info_get, - .dev_config_set = hw_dev_config_set, - .dev_acquisition_start = hw_dev_acquisition_start, - .dev_acquisition_stop = hw_dev_acquisition_stop, + .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 = std_serial_dev_close, + .dev_acquisition_start = dev_acquisition_start, + .dev_acquisition_stop = dev_acquisition_stop, .priv = NULL, };