diff --git a/hardware/common/ezusb.c b/hardware/common/ezusb.c index d5365cf1..30b43beb 100644 --- a/hardware/common/ezusb.c +++ b/hardware/common/ezusb.c @@ -31,6 +31,7 @@ #include #include "config.h" + int ezusb_reset(struct libusb_device_handle *hdl, int set_clear) { int err; @@ -56,10 +57,11 @@ int ezusb_install_firmware(libusb_device_handle *hdl, const char *filename) if ((fw = g_fopen(filename, "rb")) == NULL) { sr_warn("Unable to open firmware file %s for reading: %s", filename, strerror(errno)); - return 1; + return SR_ERR; } - result = offset = 0; + result = SR_OK; + offset = 0; while (1) { chunksize = fread(buf, 1, 4096, fw); if (chunksize == 0) @@ -69,7 +71,7 @@ int ezusb_install_firmware(libusb_device_handle *hdl, const char *filename) 0x0000, buf, chunksize, 100); if (err < 0) { sr_warn("Unable to send firmware to device: %d", err); - result = 1; + result = SR_ERR; break; } sr_info("Uploaded %d bytes", chunksize); @@ -90,36 +92,33 @@ int ezusb_upload_firmware(libusb_device *dev, int configuration, sr_info("uploading firmware to device on %d.%d", libusb_get_bus_number(dev), libusb_get_device_address(dev)); - err = libusb_open(dev, &hdl); - if (err != 0) { + if ((err = libusb_open(dev, &hdl)) < 0) { sr_warn("failed to open device: %d", err); - return 1; + return SR_ERR; } if (libusb_kernel_driver_active(hdl, 0)) { - err = libusb_detach_kernel_driver(hdl, 0); - if (err != 0) { - g_warning("failed to detach kernel driver: %d", err); - return 1; + if ((err = libusb_detach_kernel_driver(hdl, 0)) < 0) { + sr_warn("failed to detach kernel driver: %d", err); + return SR_ERR; } } - err = libusb_set_configuration(hdl, configuration); - if (err != 0) { + if ((err = libusb_set_configuration(hdl, configuration)) < 0) { sr_warn("Unable to set configuration: %d", err); - return 1; + return SR_ERR; } if ((ezusb_reset(hdl, 1)) < 0) - return 1; + return SR_ERR; - if (ezusb_install_firmware(hdl, filename) != 0) - return 1; + if (ezusb_install_firmware(hdl, filename) < 0) + return SR_ERR; if ((ezusb_reset(hdl, 0)) < 0) - return 1; + return SR_ERR; libusb_close(hdl); - return 0; + return SR_OK; } diff --git a/hardware/saleae-logic/Makefile.am b/hardware/saleae-logic/Makefile.am index 183e7ecb..e54b73e0 100644 --- a/hardware/saleae-logic/Makefile.am +++ b/hardware/saleae-logic/Makefile.am @@ -25,7 +25,8 @@ AM_CPPFLAGS = -DFIRMWARE_DIR='"$(FIRMWARE_DIR)"' noinst_LTLIBRARIES = libsigrokhwsaleaelogic.la libsigrokhwsaleaelogic_la_SOURCES = \ - saleae-logic.c + saleae-logic.c \ + saleae-logic.h libsigrokhwsaleaelogic_la_CFLAGS = \ -I$(top_srcdir)/libsigrok diff --git a/hardware/saleae-logic/saleae-logic.c b/hardware/saleae-logic/saleae-logic.c index 6c039d4e..0940fab4 100644 --- a/hardware/saleae-logic/saleae-logic.c +++ b/hardware/saleae-logic/saleae-logic.c @@ -26,44 +26,16 @@ #include #include #include +#include "saleae-logic.h" -#define USB_INTERFACE 0 -#define USB_CONFIGURATION 1 -#define NUM_TRIGGER_STAGES 4 -#define TRIGGER_TYPES "01" -#define FIRMWARE FIRMWARE_DIR "/saleae-logic.fw" -#define GTV_TO_MSEC(gtv) (gtv.tv_sec * 1000 + gtv.tv_usec / 1000) - -/* delay in ms */ -#define MAX_RENUM_DELAY 3000 -#define NUM_SIMUL_TRANSFERS 10 -#define MAX_EMPTY_TRANSFERS (NUM_SIMUL_TRANSFERS * 2) - -/* Software trigger implementation: positive values indicate trigger stage. */ -#define TRIGGER_FIRED -1 - -struct fx2_device { - /* VID/PID when first found */ - uint16_t orig_vid; - uint16_t orig_pid; - /* VID/PID after firmware upload */ - uint16_t fw_vid; - uint16_t fw_pid; - char *vendor; - char *model; - char *model_version; - int num_probes; -}; - -static struct fx2_device supported_fx2[] = { +static struct fx2_profile supported_fx2[] = { /* Saleae Logic */ { 0x0925, 0x3881, 0x0925, 0x3881, "Saleae", "Logic", NULL, 8 }, /* default Cypress FX2 without EEPROM */ { 0x04b4, 0x8613, 0x0925, 0x3881, "Cypress", "FX2", NULL, 16 }, - { 0, 0, 0, 0, NULL, NULL, NULL, 0 } + { 0, 0, 0, 0, 0, 0, 0, 0 } }; -/* There is only one model Saleae Logic, and this is what it supports: */ static int capabilities[] = { SR_HWCAP_LOGIC_ANALYZER, SR_HWCAP_SAMPLERATE, @@ -74,19 +46,6 @@ static int capabilities[] = { 0, }; -/* List of struct sr_device_instance, maintained by opendev()/closedev(). */ -static GSList *device_instances = NULL; - -/* - * Since we can't keep track of a Saleae Logic device after upgrading the - * firmware -- it re-enumerates into a different device address after the - * upgrade -- this is like a global lock. No device will open until a proper - * delay after the last device was upgraded. - */ -static GTimeVal fw_updated = { 0, 0 }; - -static libusb_context *usb_context = NULL; - static uint64_t supported_samplerates[] = { SR_KHZ(200), SR_KHZ(250), @@ -108,15 +67,9 @@ static struct sr_samplerates samplerates = { supported_samplerates, }; -/* TODO: All of these should go in a device-specific struct. */ -static uint64_t cur_samplerate = 0; -static uint64_t limit_samples = 0; -static uint8_t probe_mask = 0; -static uint8_t trigger_mask[NUM_TRIGGER_STAGES] = { 0 }; -static uint8_t trigger_value[NUM_TRIGGER_STAGES] = { 0 }; -static uint8_t trigger_buffer[NUM_TRIGGER_STAGES] = { 0 }; -static struct fx2_device *fx2 = NULL; -static int trigger_stage = TRIGGER_FIRED; +/* List of struct sr_device_instance, maintained by opendev()/closedev(). */ +static GSList *device_instances = NULL; +static libusb_context *usb_context = NULL; static int hw_set_configuration(int device_index, int capability, void *value); static void hw_stop_acquisition(int device_index, gpointer session_device_id); @@ -181,19 +134,21 @@ static int check_conf_profile(libusb_device *dev) return ret; } -static struct sr_device_instance *sl_open_device(int device_index) +static int sl_open_device(int device_index) { libusb_device **devlist; struct libusb_device_descriptor des; struct sr_device_instance *sdi; + struct fx2_device *fx2; int err, skip, i; if (!(sdi = sr_get_device_instance(device_instances, device_index))) - return NULL; + return SR_ERR; + fx2 = sdi->priv; if (sdi->status == SR_ST_ACTIVE) /* already in use */ - return NULL; + return SR_ERR; skip = 0; libusb_get_device_list(usb_context, &devlist); @@ -203,7 +158,7 @@ static struct sr_device_instance *sl_open_device(int device_index) continue; } - if (des.idVendor != fx2->fw_vid || des.idProduct != fx2->fw_pid) + if (des.idVendor != fx2->profile->fw_vid || des.idProduct != fx2->profile->fw_pid) continue; if (sdi->status == SR_ST_INITIALIZING) { @@ -237,29 +192,17 @@ static struct sr_device_instance *sl_open_device(int device_index) sdi->usb->address, USB_INTERFACE); } else { sr_warn("failed to open device: %d", err); - sdi = NULL; } + + /* if we made it here, we handled the device one way or another */ + break; } libusb_free_device_list(devlist, 1); - if (sdi && sdi->status != SR_ST_ACTIVE) - sdi = NULL; + if (sdi->status != SR_ST_ACTIVE) + return SR_ERR; - return sdi; -} - -static int upload_firmware(libusb_device *dev) -{ - int ret; - - ret = ezusb_upload_firmware(dev, USB_CONFIGURATION, FIRMWARE); - if (ret != 0) - return 1; - - /* Remember when the last firmware update was done. */ - g_get_current_time(&fw_updated); - - return 0; + return SR_OK; } static void close_device(struct sr_device_instance *sdi) @@ -275,17 +218,17 @@ static void close_device(struct sr_device_instance *sdi) sdi->status = SR_ST_INACTIVE; } -static int configure_probes(GSList *probes) +static int configure_probes(struct fx2_device *fx2, GSList *probes) { struct sr_probe *probe; GSList *l; int probe_bit, stage, i; char *tc; - probe_mask = 0; + fx2->probe_mask = 0; for (i = 0; i < NUM_TRIGGER_STAGES; i++) { - trigger_mask[i] = 0; - trigger_value[i] = 0; + fx2->trigger_mask[i] = 0; + fx2->trigger_value[i] = 0; } stage = -1; @@ -294,15 +237,15 @@ static int configure_probes(GSList *probes) if (probe->enabled == FALSE) continue; probe_bit = 1 << (probe->index - 1); - probe_mask |= probe_bit; + fx2->probe_mask |= probe_bit; if (!(probe->trigger)) continue; stage = 0; for (tc = probe->trigger; *tc; tc++) { - trigger_mask[stage] |= probe_bit; + fx2->trigger_mask[stage] |= probe_bit; if (*tc == '1') - trigger_value[stage] |= probe_bit; + fx2->trigger_value[stage] |= probe_bit; stage++; if (stage > NUM_TRIGGER_STAGES) return SR_ERR; @@ -314,13 +257,27 @@ static int configure_probes(GSList *probes) * We didn't configure any triggers, make sure acquisition * doesn't wait for any. */ - trigger_stage = TRIGGER_FIRED; + fx2->trigger_stage = TRIGGER_FIRED; else - trigger_stage = 0; + fx2->trigger_stage = 0; return SR_OK; } +static struct fx2_device *fx2_device_new(void) +{ + struct fx2_device *fx2; + + if (!(fx2 = g_try_malloc0(sizeof(struct fx2_device)))) { + sr_err("saleae: %s: saleae malloc failed", __func__); + return NULL; + } + fx2->trigger_stage = TRIGGER_FIRED; + + return fx2; +} + + /* * API callbacks */ @@ -329,6 +286,8 @@ static int hw_init(const char *deviceinfo) { struct sr_device_instance *sdi; struct libusb_device_descriptor des; + struct fx2_profile *fx2_prof; + struct fx2_device *fx2; libusb_device **devlist; int err, devcnt, i, j; @@ -341,10 +300,10 @@ static int hw_init(const char *deviceinfo) } /* Find all Saleae Logic devices and upload firmware to all of them. */ - fx2 = NULL; devcnt = 0; libusb_get_device_list(usb_context, &devlist); for (i = 0; devlist[i]; i++) { + fx2_prof = NULL; err = libusb_get_device_descriptor(devlist[i], &des); if (err != 0) { sr_warn("failed to get device descriptor: %d", err); @@ -354,43 +313,39 @@ static int hw_init(const char *deviceinfo) for (j = 0; supported_fx2[j].orig_vid; j++) { if (des.idVendor == supported_fx2[j].orig_vid && des.idProduct == supported_fx2[j].orig_pid) { - fx2 = &supported_fx2[j]; + fx2_prof = &supported_fx2[j]; break; } } - if (!fx2) + if (!fx2_prof) /* not a supported VID/PID */ continue; sdi = sr_device_instance_new(devcnt, SR_ST_INITIALIZING, - fx2->vendor, fx2->model, fx2->model_version); + fx2_prof->vendor, fx2_prof->model, fx2_prof->model_version); if (!sdi) return 0; + fx2 = fx2_device_new(); + fx2->profile = fx2_prof; + sdi->priv = fx2; device_instances = g_slist_append(device_instances, sdi); - if (check_conf_profile(devlist[i]) == 0) { - /* - * Continue on the off chance that the device is in a - * working state. TODO: Could maybe try a USB reset, - * or uploading the firmware again. - */ - if (upload_firmware(devlist[i]) > 0) - sr_warn("firmware upload failed for device %d", - devcnt); - - sdi->usb = sr_usb_device_instance_new - (libusb_get_bus_number(devlist[i]), 0xff, NULL); - } else { + if (check_conf_profile(devlist[i])) { /* Already has the firmware, so fix the new address. */ sdi->status = SR_ST_INACTIVE; sdi->usb = sr_usb_device_instance_new (libusb_get_bus_number(devlist[i]), libusb_get_device_address(devlist[i]), NULL); + } else { + if (ezusb_upload_firmware(devlist[i], USB_CONFIGURATION, FIRMWARE) == SR_OK) + /* Remember when the firmware on this device was updated */ + g_get_current_time(&fx2->fw_updated); + else + sr_warn("firmware upload failed for device %d", devcnt); + sdi->usb = sr_usb_device_instance_new + (libusb_get_bus_number(devlist[i]), 0xff, NULL); } devcnt++; - - /* not supporting multiple FX2s in this driver yet */ - break; } libusb_free_device_list(devlist, 1); @@ -401,34 +356,40 @@ static int hw_opendev(int device_index) { GTimeVal cur_time; struct sr_device_instance *sdi; + struct fx2_device *fx2; int timediff, err; + if (!(sdi = sr_get_device_instance(device_instances, device_index))) + return SR_ERR; + fx2 = sdi->priv; + /* * if the firmware was recently uploaded, wait up to MAX_RENUM_DELAY ms * for the FX2 to renumerate */ - sdi = NULL; - if (fw_updated.tv_sec > 0) { + err = 0; + if (GTV_TO_MSEC(fx2->fw_updated) > 0) { sr_info("saleae: waiting for device to reset"); /* takes at least 300ms for the FX2 to be gone from the USB bus */ g_usleep(300*1000); timediff = 0; while (timediff < MAX_RENUM_DELAY) { - if ((sdi = sl_open_device(device_index))) + if ((err = sl_open_device(device_index)) == SR_OK) break; g_usleep(100*1000); g_get_current_time(&cur_time); - timediff = GTV_TO_MSEC(cur_time) - GTV_TO_MSEC(fw_updated); + timediff = GTV_TO_MSEC(cur_time) - GTV_TO_MSEC(fx2->fw_updated); } sr_info("saleae: device came back after %d ms", timediff); } else { - sdi = sl_open_device(device_index); + err = sl_open_device(device_index); } - if (!sdi) { + if (err != SR_OK) { sr_warn("unable to open device"); return SR_ERR; } + fx2 = sdi->priv; err = libusb_claim_interface(sdi->usb->devhdl, USB_INTERFACE); if (err != 0) { @@ -436,7 +397,7 @@ static int hw_opendev(int device_index) return SR_ERR; } - if (cur_samplerate == 0) { + if (fx2->cur_samplerate == 0) { /* Samplerate hasn't been set; default to the slowest one. */ if (hw_set_configuration(device_index, SR_HWCAP_SAMPLERATE, &supported_samplerates[0]) == SR_ERR) @@ -483,17 +444,19 @@ static void hw_cleanup(void) static void *hw_get_device_info(int device_index, int device_info_id) { struct sr_device_instance *sdi; + struct fx2_device *fx2; void *info = NULL; if (!(sdi = sr_get_device_instance(device_instances, device_index))) return NULL; + fx2 = sdi->priv; switch (device_info_id) { case SR_DI_INSTANCE: info = sdi; break; case SR_DI_NUM_PROBES: - info = GINT_TO_POINTER(fx2->num_probes); + info = GINT_TO_POINTER(fx2->profile->num_probes); break; case SR_DI_SAMPLERATES: info = &samplerates; @@ -502,7 +465,7 @@ static void *hw_get_device_info(int device_index, int device_info_id) info = TRIGGER_TYPES; break; case SR_DI_CUR_SAMPLERATE: - info = &cur_samplerate; + info = &fx2->cur_samplerate; break; } @@ -528,10 +491,12 @@ static int *hw_get_capabilities(void) static int set_configuration_samplerate(struct sr_device_instance *sdi, uint64_t samplerate) { + struct fx2_device *fx2; uint8_t divider; int ret, result, i; unsigned char buf[2]; + fx2 = sdi->priv; for (i = 0; supported_samplerates[i]; i++) { if (supported_samplerates[i] == samplerate) break; @@ -551,7 +516,7 @@ static int set_configuration_samplerate(struct sr_device_instance *sdi, sr_warn("failed to set samplerate: %d", ret); return SR_ERR; } - cur_samplerate = samplerate; + fx2->cur_samplerate = samplerate; return SR_OK; } @@ -559,20 +524,22 @@ static int set_configuration_samplerate(struct sr_device_instance *sdi, static int hw_set_configuration(int device_index, int capability, void *value) { struct sr_device_instance *sdi; + struct fx2_device *fx2; int ret; uint64_t *tmp_u64; if (!(sdi = sr_get_device_instance(device_instances, device_index))) return SR_ERR; + fx2 = sdi->priv; if (capability == SR_HWCAP_SAMPLERATE) { tmp_u64 = value; ret = set_configuration_samplerate(sdi, *tmp_u64); } else if (capability == SR_HWCAP_PROBECONFIG) { - ret = configure_probes((GSList *) value); + ret = configure_probes(fx2, (GSList *) value); } else if (capability == SR_HWCAP_LIMIT_SAMPLES) { tmp_u64 = value; - limit_samples = *tmp_u64; + fx2->limit_samples = *tmp_u64; ret = SR_OK; } else { ret = SR_ERR; @@ -601,7 +568,7 @@ void receive_transfer(struct libusb_transfer *transfer) static int num_samples = 0; static int empty_transfer_count = 0; struct sr_datafeed_packet packet; - void *user_data; + struct fx2_device *fx2; int cur_buflen, trigger_offset, i; unsigned char *cur_buf, *new_buf; @@ -625,7 +592,7 @@ void receive_transfer(struct libusb_transfer *transfer) /* Save incoming transfer before reusing the transfer struct. */ cur_buf = transfer->buffer; cur_buflen = transfer->actual_length; - user_data = transfer->user_data; + fx2 = transfer->user_data; /* Fire off a new request. */ if (!(new_buf = g_try_malloc(4096))) { @@ -648,7 +615,7 @@ void receive_transfer(struct libusb_transfer *transfer) * The FX2 gave up. End the acquisition, the frontend * will work out that the samplecount is short. */ - hw_stop_acquisition(-1, user_data); + hw_stop_acquisition(-1, fx2->session_data); } return; } else { @@ -656,14 +623,14 @@ void receive_transfer(struct libusb_transfer *transfer) } trigger_offset = 0; - if (trigger_stage >= 0) { + if (fx2->trigger_stage >= 0) { for (i = 0; i < cur_buflen; i++) { - if ((cur_buf[i] & trigger_mask[trigger_stage]) == trigger_value[trigger_stage]) { + if ((cur_buf[i] & fx2->trigger_mask[fx2->trigger_stage]) == fx2->trigger_value[fx2->trigger_stage]) { /* Match on this trigger stage. */ - trigger_buffer[trigger_stage] = cur_buf[i]; - trigger_stage++; - if (trigger_stage == NUM_TRIGGER_STAGES || trigger_mask[trigger_stage] == 0) { + fx2->trigger_buffer[fx2->trigger_stage] = cur_buf[i]; + fx2->trigger_stage++; + if (fx2->trigger_stage == NUM_TRIGGER_STAGES || fx2->trigger_mask[fx2->trigger_stage] == 0) { /* Match on all trigger stages, we're done. */ trigger_offset = i + 1; @@ -673,19 +640,19 @@ void receive_transfer(struct libusb_transfer *transfer) */ packet.type = SR_DF_TRIGGER; packet.length = 0; - sr_session_bus(user_data, &packet); + sr_session_bus(fx2->session_data, &packet); /* * Send the samples that triggered it, since we're * skipping past them. */ packet.type = SR_DF_LOGIC; - packet.length = trigger_stage; + packet.length = fx2->trigger_stage; packet.unitsize = 1; - packet.payload = trigger_buffer; - sr_session_bus(user_data, &packet); + packet.payload = fx2->trigger_buffer; + sr_session_bus(fx2->session_data, &packet); - trigger_stage = TRIGGER_FIRED; + fx2->trigger_stage = TRIGGER_FIRED; break; } return; @@ -698,30 +665,28 @@ void receive_transfer(struct libusb_transfer *transfer) * the next sample from the one that matched originally, which the * counter increment at the end of the loop takes care of. */ - if (trigger_stage > 0) { - i -= trigger_stage; + if (fx2->trigger_stage > 0) { + i -= fx2->trigger_stage; if (i < -1) i = -1; /* Oops, went back past this buffer. */ /* Reset trigger stage. */ - trigger_stage = 0; + fx2->trigger_stage = 0; } - - } } - if (trigger_stage == TRIGGER_FIRED) { + if (fx2->trigger_stage == TRIGGER_FIRED) { /* Send the incoming transfer to the session bus. */ packet.type = SR_DF_LOGIC; packet.length = cur_buflen - trigger_offset; packet.unitsize = 1; packet.payload = cur_buf + trigger_offset; - sr_session_bus(user_data, &packet); + sr_session_bus(fx2->session_data, &packet); g_free(cur_buf); num_samples += cur_buflen; - if (limit_samples && (unsigned int) num_samples > limit_samples) { - hw_stop_acquisition(-1, user_data); + if (fx2->limit_samples && (unsigned int) num_samples > fx2->limit_samples) { + hw_stop_acquisition(-1, fx2->session_data); } } else { /* @@ -731,11 +696,12 @@ void receive_transfer(struct libusb_transfer *transfer) } } -static int hw_start_acquisition(int device_index, gpointer session_device_id) +static int hw_start_acquisition(int device_index, gpointer session_data) { struct sr_device_instance *sdi; struct sr_datafeed_packet *packet; struct sr_datafeed_header *header; + struct fx2_device *fx2; struct libusb_transfer *transfer; const struct libusb_pollfd **lupfd; int size, i; @@ -743,6 +709,8 @@ static int hw_start_acquisition(int device_index, gpointer session_device_id) if (!(sdi = sr_get_device_instance(device_instances, device_index))) return SR_ERR; + fx2 = sdi->priv; + fx2->session_data = session_data; if (!(packet = g_try_malloc(sizeof(struct sr_datafeed_packet)))) { sr_err("saleae: %s: packet malloc failed", __func__); @@ -764,7 +732,7 @@ static int hw_start_acquisition(int device_index, gpointer session_device_id) transfer = libusb_alloc_transfer(0); libusb_fill_bulk_transfer(transfer, sdi->usb->devhdl, 2 | LIBUSB_ENDPOINT_IN, buf, size, - receive_transfer, session_device_id, 40); + receive_transfer, fx2, 40); if (libusb_submit_transfer(transfer) != 0) { /* TODO: Free them all. */ libusb_free_transfer(transfer); @@ -785,11 +753,11 @@ static int hw_start_acquisition(int device_index, gpointer session_device_id) packet->payload = (unsigned char *)header; header->feed_version = 1; gettimeofday(&header->starttime, NULL); - header->samplerate = cur_samplerate; + header->samplerate = fx2->cur_samplerate; header->protocol_id = SR_PROTO_RAW; - header->num_logic_probes = fx2->num_probes; + header->num_logic_probes = fx2->profile->num_probes; header->num_analog_probes = 0; - sr_session_bus(session_device_id, packet); + sr_session_bus(session_data, packet); g_free(header); g_free(packet); @@ -797,7 +765,7 @@ static int hw_start_acquisition(int device_index, gpointer session_device_id) } /* This stops acquisition on ALL devices, ignoring device_index. */ -static void hw_stop_acquisition(int device_index, gpointer session_device_id) +static void hw_stop_acquisition(int device_index, gpointer session_data) { struct sr_datafeed_packet packet; @@ -805,7 +773,7 @@ static void hw_stop_acquisition(int device_index, gpointer session_device_id) device_index = device_index; packet.type = SR_DF_END; - sr_session_bus(session_device_id, &packet); + sr_session_bus(session_data, &packet); receive_transfer(NULL); diff --git a/hardware/saleae-logic/saleae-logic.h b/hardware/saleae-logic/saleae-logic.h new file mode 100644 index 00000000..b01eebb0 --- /dev/null +++ b/hardware/saleae-logic/saleae-logic.h @@ -0,0 +1,79 @@ +/* + * This file is part of the sigrok project. + * + * Copyright (C) 2011 Bert Vermeulen + * + * 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 . + */ + + +#ifndef SALEAE_LOGIC_H_ +#define SALEAE_LOGIC_H_ + +#define USB_INTERFACE 0 +#define USB_CONFIGURATION 1 +#define NUM_TRIGGER_STAGES 4 +#define TRIGGER_TYPES "01" +#define FIRMWARE FIRMWARE_DIR "/saleae-logic.fw" +#define GTV_TO_MSEC(gtv) (gtv.tv_sec * 1000 + gtv.tv_usec / 1000) + +/* delay in ms */ +#define MAX_RENUM_DELAY 3000 +#define NUM_SIMUL_TRANSFERS 10 +#define MAX_EMPTY_TRANSFERS (NUM_SIMUL_TRANSFERS * 2) + +/* Software trigger implementation: positive values indicate trigger stage. */ +#define TRIGGER_FIRED -1 + +struct fx2_profile { + /* VID/PID when first found */ + uint16_t orig_vid; + uint16_t orig_pid; + /* VID/PID after firmware upload */ + uint16_t fw_vid; + uint16_t fw_pid; + char *vendor; + char *model; + char *model_version; + int num_probes; +}; + +struct fx2_device { + struct fx2_profile *profile; + /* + * Since we can't keep track of a Saleae Logic device after upgrading the + * firmware (it re-enumerates into a different device address after the + * upgrade) this is like a global lock. No device will open until a proper + * delay after the last device was upgraded. + */ + GTimeVal fw_updated; + /* device/capture settings */ + uint64_t cur_samplerate; + uint64_t limit_samples; + uint8_t probe_mask; + uint8_t trigger_mask[NUM_TRIGGER_STAGES]; + uint8_t trigger_value[NUM_TRIGGER_STAGES]; + int trigger_stage; + uint8_t trigger_buffer[NUM_TRIGGER_STAGES]; + /* + * opaque session data passed in by the frontend, will be passed back + * on the session bus along with samples. + */ + void *session_data; + +}; + + + +#endif /* SALEAE_LOGIC_H_ */