X-Git-Url: http://sigrok.org/gitweb/?a=blobdiff_plain;f=hardware%2Fsaleae-logic16%2Fapi.c;h=8b2db4b49e065b9845e976559d735f70812d034d;hb=a4e435eb49c1fa30c31d5851b404001324cafe33;hp=1d5bb3820190690072c8f22a3d2efecb26a66eda;hpb=b117363ad7510e300501612c0cda23b81adeccc5;p=libsigrok.git diff --git a/hardware/saleae-logic16/api.c b/hardware/saleae-logic16/api.c index 1d5bb382..8b2db4b4 100644 --- a/hardware/saleae-logic16/api.c +++ b/hardware/saleae-logic16/api.c @@ -2,6 +2,8 @@ * This file is part of the libsigrok project. * * Copyright (C) 2013 Marcus Comstedt + * Copyright (C) 2013 Bert Vermeulen + * Copyright (C) 2012 Joel Holdsworth * * 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 @@ -21,13 +23,13 @@ #include #include #include +#include #include "libsigrok.h" #include "libsigrok-internal.h" #include "protocol.h" -#define LOGIC16_VID 0x21a9 -#define LOGIC16_PID 0x1001 -#define NUM_PROBES 16 +#define LOGIC16_VID 0x21a9 +#define LOGIC16_PID 0x1001 #define USB_INTERFACE 0 #define USB_CONFIGURATION 1 @@ -36,7 +38,6 @@ #define MAX_RENUM_DELAY_MS 3000 #define NUM_SIMUL_TRANSFERS 32 - SR_PRIV struct sr_dev_driver saleae_logic16_driver_info; static struct sr_dev_driver *di = &saleae_logic16_driver_info; @@ -47,18 +48,37 @@ static const int32_t hwopts[] = { static const int32_t hwcaps[] = { SR_CONF_LOGIC_ANALYZER, SR_CONF_SAMPLERATE, + SR_CONF_VOLTAGE_THRESHOLD, + SR_CONF_TRIGGER_MATCH, /* These are really implemented in the driver, not the hardware. */ SR_CONF_LIMIT_SAMPLES, SR_CONF_CONTINUOUS, }; -static const char *probe_names[NUM_PROBES + 1] = { +static const int32_t soft_trigger_matches[] = { + SR_TRIGGER_ZERO, + SR_TRIGGER_ONE, + SR_TRIGGER_RISING, + SR_TRIGGER_FALLING, + SR_TRIGGER_EDGE, +}; + +static const char *channel_names[] = { "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12", "13", "14", "15", NULL, }; +static const struct { + enum voltage_range range; + gdouble low; + gdouble high; +} volt_thresholds[] = { + { VOLTAGE_RANGE_18_33_V, 0.7, 1.4 }, + { VOLTAGE_RANGE_5_V, 1.4, 3.6 }, +}; + static const uint64_t samplerates[] = { SR_KHZ(500), SR_MHZ(1), @@ -105,7 +125,7 @@ static gboolean check_conf_profile(libusb_device *dev) break; if (libusb_get_string_descriptor_ascii(hdl, - des.iProduct, strdesc, sizeof(strdesc)) < 0) + des.iProduct, strdesc, sizeof(strdesc)) < 0) break; if (strcmp((const char *)strdesc, "Logic S/16")) break; @@ -125,7 +145,7 @@ static GSList *scan(GSList *options) struct dev_context *devc; struct sr_dev_inst *sdi; struct sr_usb_dev_inst *usb; - struct sr_probe *probe; + struct sr_channel *ch; struct sr_config *src; GSList *l, *devices, *conn_devices; struct libusb_device_descriptor des; @@ -167,7 +187,7 @@ static GSList *scan(GSList *options) continue; } - if ((ret = libusb_get_device_descriptor( devlist[i], &des)) != 0) { + if ((ret = libusb_get_device_descriptor(devlist[i], &des)) != 0) { sr_warn("Failed to get device descriptor: %s.", libusb_error_name(ret)); continue; @@ -183,15 +203,16 @@ static GSList *scan(GSList *options) return NULL; sdi->driver = di; - for (j = 0; probe_names[j]; j++) { - if (!(probe = sr_probe_new(j, SR_PROBE_LOGIC, TRUE, - probe_names[j]))) + for (j = 0; channel_names[j]; j++) { + if (!(ch = sr_channel_new(j, SR_CHANNEL_LOGIC, TRUE, + channel_names[j]))) return NULL; - sdi->probes = g_slist_append(sdi->probes, probe); + sdi->channels = g_slist_append(sdi->channels, ch); } if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) return NULL; + devc->selected_voltage_range = VOLTAGE_RANGE_18_33_V; sdi->priv = devc; drvc->instances = g_slist_append(drvc->instances, sdi); devices = g_slist_append(devices, sdi); @@ -201,8 +222,9 @@ static GSList *scan(GSList *options) sr_dbg("Found a Logic16 device."); sdi->status = SR_ST_INACTIVE; sdi->inst_type = SR_INST_USB; - sdi->conn = sr_usb_dev_inst_new(libusb_get_bus_number(devlist[i]), - libusb_get_device_address(devlist[i]), NULL); + sdi->conn = sr_usb_dev_inst_new( + libusb_get_bus_number(devlist[i]), + libusb_get_device_address(devlist[i]), NULL); } else { if (ezusb_upload_firmware(devlist[i], USB_CONFIGURATION, FX2_FIRMWARE) == SR_OK) @@ -212,8 +234,8 @@ static GSList *scan(GSList *options) sr_err("Firmware upload failed for " "device %d.", devcnt); sdi->inst_type = SR_INST_USB; - sdi->conn = sr_usb_dev_inst_new (libusb_get_bus_number(devlist[i]), - 0xff, NULL); + sdi->conn = sr_usb_dev_inst_new( + libusb_get_bus_number(devlist[i]), 0xff, NULL); } } libusb_free_device_list(devlist, 1); @@ -224,16 +246,7 @@ static GSList *scan(GSList *options) static GSList *dev_list(void) { - struct drv_context *drvc; - - drvc = di->priv; - - return drvc->instances; -} - -static int dev_clear(void) -{ - return std_dev_clear(di, NULL); + return ((struct drv_context *)(di->priv))->instances; } static int logic16_dev_open(struct sr_dev_inst *sdi) @@ -266,8 +279,7 @@ static int logic16_dev_open(struct sr_dev_inst *sdi) continue; } - if (des.idVendor != LOGIC16_VID - || des.idProduct != LOGIC16_PID) + if (des.idVendor != LOGIC16_VID || des.idProduct != LOGIC16_PID) continue; if (sdi->status == SR_ST_INITIALIZING) { @@ -282,7 +294,7 @@ static int logic16_dev_open(struct sr_dev_inst *sdi) * this device by vendor, product, bus and address. */ if (libusb_get_bus_number(devlist[i]) != usb->bus - || libusb_get_device_address(devlist[i]) != usb->address) + || libusb_get_device_address(devlist[i]) != usb->address) /* This is not the one. */ continue; } @@ -300,36 +312,52 @@ static int logic16_dev_open(struct sr_dev_inst *sdi) break; } - if ((ret = saleae_logic16_init_device(sdi)) != SR_OK) { + ret = libusb_claim_interface(usb->devhdl, USB_INTERFACE); + if (ret == LIBUSB_ERROR_BUSY) { + sr_err("Unable to claim USB interface. Another " + "program or driver has already claimed it."); + break; + } else if (ret == LIBUSB_ERROR_NO_DEVICE) { + sr_err("Device has been disconnected."); + break; + } else if (ret != 0) { + sr_err("Unable to claim interface: %s.", + libusb_error_name(ret)); + break; + } + + if ((ret = logic16_init_device(sdi)) != SR_OK) { sr_err("Failed to init device."); break; } sdi->status = SR_ST_ACTIVE; - sr_info("Opened device %d on %d.%d, " - "interface %d.", - sdi->index, usb->bus, usb->address, - USB_INTERFACE); + sr_info("Opened device %d on %d.%d, interface %d.", + sdi->index, usb->bus, usb->address, USB_INTERFACE); break; } libusb_free_device_list(devlist, 1); - if (sdi->status != SR_ST_ACTIVE) + if (sdi->status != SR_ST_ACTIVE) { + if (usb->devhdl) { + libusb_release_interface(usb->devhdl, USB_INTERFACE); + libusb_close(usb->devhdl); + usb->devhdl = NULL; + } return SR_ERR; + } return SR_OK; } static int dev_open(struct sr_dev_inst *sdi) { - struct sr_usb_dev_inst *usb; struct dev_context *devc; int ret; int64_t timediff_us, timediff_ms; devc = sdi->priv; - usb = sdi->conn; /* * If the firmware was recently uploaded, wait up to MAX_RENUM_DELAY_MS @@ -365,25 +393,6 @@ static int dev_open(struct sr_dev_inst *sdi) return SR_ERR; } - ret = libusb_claim_interface(usb->devhdl, USB_INTERFACE); - if (ret != 0) { - switch(ret) { - case LIBUSB_ERROR_BUSY: - sr_err("Unable to claim USB interface. Another " - "program or driver has already claimed it."); - break; - case LIBUSB_ERROR_NO_DEVICE: - sr_err("Device has been disconnected."); - break; - default: - sr_err("Unable to claim interface: %s.", - libusb_error_name(ret)); - break; - } - - return SR_ERR; - } - if (devc->cur_samplerate == 0) { /* Samplerate hasn't been set; default to the slowest one. */ devc->cur_samplerate = samplerates[0]; @@ -419,19 +428,25 @@ static int cleanup(void) /* Can get called on an unused driver, doesn't matter. */ return SR_OK; - ret = dev_clear(); + + ret = std_dev_clear(di, NULL); g_free(drvc); di->priv = NULL; return ret; } -static int config_get(int key, GVariant **data, const struct sr_dev_inst *sdi) +static int config_get(int key, GVariant **data, const struct sr_dev_inst *sdi, + const struct sr_channel_group *cg) { struct dev_context *devc; struct sr_usb_dev_inst *usb; + GVariant *range[2]; char str[128]; int ret; + unsigned int i; + + (void)cg; ret = SR_OK; switch (key) { @@ -452,6 +467,22 @@ static int config_get(int key, GVariant **data, const struct sr_dev_inst *sdi) devc = sdi->priv; *data = g_variant_new_uint64(devc->cur_samplerate); break; + case SR_CONF_VOLTAGE_THRESHOLD: + if (!sdi) + return SR_ERR; + devc = sdi->priv; + ret = SR_ERR; + for (i = 0; i < ARRAY_SIZE(volt_thresholds); i++) { + if (devc->selected_voltage_range != + volt_thresholds[i].range) + continue; + range[0] = g_variant_new_double(volt_thresholds[i].low); + range[1] = g_variant_new_double(volt_thresholds[i].high); + *data = g_variant_new_tuple(range, 2); + ret = SR_OK; + break; + } + break; default: return SR_ERR_NA; } @@ -459,10 +490,15 @@ static int config_get(int key, GVariant **data, const struct sr_dev_inst *sdi) return ret; } -static int config_set(int key, GVariant *data, const struct sr_dev_inst *sdi) +static int config_set(int key, GVariant *data, const struct sr_dev_inst *sdi, + const struct sr_channel_group *cg) { struct dev_context *devc; + gdouble low, high; int ret; + unsigned int i; + + (void)cg; if (sdi->status != SR_ST_ACTIVE) return SR_ERR_DEV_CLOSED; @@ -477,6 +513,19 @@ static int config_set(int key, GVariant *data, const struct sr_dev_inst *sdi) case SR_CONF_LIMIT_SAMPLES: devc->limit_samples = g_variant_get_uint64(data); break; + case SR_CONF_VOLTAGE_THRESHOLD: + g_variant_get(data, "(dd)", &low, &high); + ret = SR_ERR_ARG; + for (i = 0; i < ARRAY_SIZE(volt_thresholds); i++) { + if (fabs(volt_thresholds[i].low - low) < 0.1 && + fabs(volt_thresholds[i].high - high) < 0.1) { + devc->selected_voltage_range = + volt_thresholds[i].range; + ret = SR_OK; + break; + } + } + break; default: ret = SR_ERR_NA; } @@ -484,13 +533,16 @@ static int config_set(int key, GVariant *data, const struct sr_dev_inst *sdi) return ret; } -static int config_list(int key, GVariant **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) { - GVariant *gvar; + GVariant *gvar, *range[2]; GVariantBuilder gvb; int ret; + unsigned int i; (void)sdi; + (void)cg; ret = SR_OK; switch (key) { @@ -504,11 +556,26 @@ static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi) break; case SR_CONF_SAMPLERATE: g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}")); - gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"), samplerates, - ARRAY_SIZE(samplerates), sizeof(uint64_t)); + gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"), + samplerates, ARRAY_SIZE(samplerates), sizeof(uint64_t)); g_variant_builder_add(&gvb, "{sv}", "samplerates", gvar); *data = g_variant_builder_end(&gvb); break; + case SR_CONF_VOLTAGE_THRESHOLD: + g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY); + for (i = 0; i < ARRAY_SIZE(volt_thresholds); i++) { + range[0] = g_variant_new_double(volt_thresholds[i].low); + range[1] = g_variant_new_double(volt_thresholds[i].high); + gvar = g_variant_new_tuple(range, 2); + g_variant_builder_add_value(&gvb, gvar); + } + *data = g_variant_builder_end(&gvb); + break; + case SR_CONF_TRIGGER_MATCH: + *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, + soft_trigger_matches, ARRAY_SIZE(soft_trigger_matches), + sizeof(int32_t)); + break; default: return SR_ERR_NA; } @@ -520,7 +587,7 @@ static void abort_acquisition(struct dev_context *devc) { int i; - devc->num_samples = -1; + devc->sent_samples = -1; for (i = devc->num_transfers - 1; i >= 0; i--) { if (devc->transfers[i]) @@ -568,35 +635,39 @@ static unsigned int get_timeout(struct dev_context *devc) return timeout + timeout / 4; /* Leave a headroom of 25% percent. */ } -static int configure_probes(const struct sr_dev_inst *sdi) +static int configure_channels(const struct sr_dev_inst *sdi) { struct dev_context *devc; - struct sr_probe *probe; + struct sr_channel *ch; GSList *l; - uint16_t probe_bit; + uint16_t channel_bit; +#ifdef WORDS_BIGENDIAN + int i; +#endif devc = sdi->priv; devc->cur_channels = 0; devc->num_channels = 0; - for (l = sdi->probes; l; l = l->next) { - probe = (struct sr_probe *)l->data; - if (probe->enabled == FALSE) + for (l = sdi->channels; l; l = l->next) { + ch = (struct sr_channel *)l->data; + if (ch->enabled == FALSE) continue; - probe_bit = 1 << (probe->index); + channel_bit = 1 << (ch->index); - devc->cur_channels |= probe_bit; + devc->cur_channels |= channel_bit; #ifdef WORDS_BIGENDIAN - /* Output logic data should be stored in little endian - format. To speed things up during conversion, do the - switcharoo here instead. */ - - probe_bit = 1 << (probe->index ^ 8); + /* + * Output logic data should be stored in little endian format. + * To speed things up during conversion, do the switcharoo + * here instead. + */ + channel_bit = 1 << (ch->index ^ 8); #endif - devc->channel_masks[devc->num_channels ++] = probe_bit; + devc->channel_masks[devc->num_channels++] = channel_bit; } return SR_OK; @@ -619,22 +690,21 @@ static int receive_data(int fd, int revents, void *cb_data) tv.tv_sec = tv.tv_usec = 0; libusb_handle_events_timeout(drvc->sr_ctx->libusb_ctx, &tv); - if (devc->num_samples == -2) { - saleae_logic16_abort_acquisition(sdi); + if (devc->sent_samples == -2) { + logic16_abort_acquisition(sdi); abort_acquisition(devc); } return TRUE; } -static int dev_acquisition_start(const struct sr_dev_inst *sdi, - void *cb_data) +static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data) { struct dev_context *devc; struct drv_context *drvc; struct sr_usb_dev_inst *usb; + struct sr_trigger *trigger; struct libusb_transfer *transfer; - const struct libusb_pollfd **lupfd; unsigned int i, timeout, num_transfers; int ret; unsigned char *buf; @@ -647,24 +717,29 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, devc = sdi->priv; usb = sdi->conn; - /* Configures devc->cur_channels */ - if (configure_probes(sdi) != SR_OK) { - sr_err("Failed to configure probes."); + /* Configures devc->cur_channels. */ + if (configure_channels(sdi) != SR_OK) { + sr_err("Failed to configure channels."); return SR_ERR; } devc->cb_data = cb_data; - devc->num_samples = 0; + devc->sent_samples = 0; devc->empty_transfer_count = 0; devc->cur_channel = 0; memset(devc->channel_data, 0, sizeof(devc->channel_data)); + if ((trigger = sr_session_trigger_get())) { + devc->stl = soft_trigger_logic_new(sdi, trigger); + devc->trigger_fired = FALSE; + } else + devc->trigger_fired = TRUE; + timeout = get_timeout(devc); num_transfers = get_number_of_transfers(devc); size = get_buffer_size(devc); convsize = (size / devc->num_channels + 2) * 16; devc->submitted_transfers = 0; - devc->usbfd = NULL; devc->convbuffer_size = convsize; if (!(devc->convbuffer = g_try_malloc(convsize))) { @@ -679,8 +754,8 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, return SR_ERR_MALLOC; } - if ((ret = saleae_logic16_setup_acquisition(sdi, devc->cur_samplerate, - devc->cur_channels)) != SR_OK) { + if ((ret = logic16_setup_acquisition(sdi, devc->cur_samplerate, + devc->cur_channels)) != SR_OK) { g_free(devc->transfers); g_free(devc->convbuffer); return ret; @@ -701,7 +776,7 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, transfer = libusb_alloc_transfer(0); libusb_fill_bulk_transfer(transfer, usb->devhdl, 2 | LIBUSB_ENDPOINT_IN, buf, size, - saleae_logic16_receive_transfer, devc, timeout); + logic16_receive_transfer, devc, timeout); if ((ret = libusb_submit_transfer(transfer)) != 0) { sr_err("Failed to submit transfer: %s.", libusb_error_name(ret)); @@ -714,25 +789,14 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, devc->submitted_transfers++; } - lupfd = libusb_get_pollfds(drvc->sr_ctx->libusb_ctx); - for (i = 0; lupfd[i]; i++); - if (!(devc->usbfd = g_try_malloc(sizeof(struct libusb_pollfd) * (i + 1)))) { - abort_acquisition(devc); - free(lupfd); - return SR_ERR; - } - for (i = 0; lupfd[i]; i++) { - sr_source_add(lupfd[i]->fd, lupfd[i]->events, - timeout, receive_data, (void *)sdi); - devc->usbfd[i] = lupfd[i]->fd; - } - devc->usbfd[i] = -1; - free(lupfd); + devc->ctx = drvc->sr_ctx; + + usb_source_add(devc->ctx, timeout, receive_data, (void *)sdi); /* Send header packet to the session bus. */ std_session_send_df_header(cb_data, LOG_PREFIX); - if ((ret = saleae_logic16_start_acquisition(sdi)) != SR_OK) { + if ((ret = logic16_start_acquisition(sdi)) != SR_OK) { abort_acquisition(devc); return ret; } @@ -749,7 +813,7 @@ static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) if (sdi->status != SR_ST_ACTIVE) return SR_ERR_DEV_CLOSED; - ret = saleae_logic16_abort_acquisition(sdi); + ret = logic16_abort_acquisition(sdi); abort_acquisition(sdi->priv); @@ -764,7 +828,7 @@ SR_PRIV struct sr_dev_driver saleae_logic16_driver_info = { .cleanup = cleanup, .scan = scan, .dev_list = dev_list, - .dev_clear = dev_clear, + .dev_clear = NULL, .config_get = config_get, .config_set = config_set, .config_list = config_list,