X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=hardware%2Fsaleae-logic%2Fsaleae-logic.c;h=b986243b80a8693fe8bfbdb29c584e8e11596e1c;hb=d261dbbfcc73;hp=a1ab755b149c2b0b6e479575e2b4ab1c468c1a0d;hpb=a634574eae69c9e712d5dbec8b97809840876c5f;p=libsigrok.git diff --git a/hardware/saleae-logic/saleae-logic.c b/hardware/saleae-logic/saleae-logic.c index a1ab755b..b986243b 100644 --- a/hardware/saleae-logic/saleae-logic.c +++ b/hardware/saleae-logic/saleae-logic.c @@ -1,7 +1,7 @@ /* * This file is part of the sigrok project. * - * Copyright (C) 2010 Bert Vermeulen + * Copyright (C) 2010-2012 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 @@ -17,15 +17,15 @@ * along with this program. If not, see . */ -#include "config.h" #include #include #include #include #include #include -#include -#include +#include "config.h" +#include "sigrok.h" +#include "sigrok-internal.h" #include "saleae-logic.h" static struct fx2_profile supported_fx2[] = { @@ -36,7 +36,7 @@ static struct fx2_profile supported_fx2[] = { { 0, 0, 0, 0, 0, 0, 0, 0 } }; -static int capabilities[] = { +static int hwcaps[] = { SR_HWCAP_LOGIC_ANALYZER, SR_HWCAP_SAMPLERATE, @@ -46,6 +46,32 @@ static int capabilities[] = { 0, }; +/* + * Probes are numbered 1-8. + * + * TODO: FX2 eval boards with the standard Cypress VID/PID can have 16 pins + * or probes in theory, which is not supported by the Saleae Logic firmware. + */ +static const char *probe_names[] = { + "0", + "1", + "2", + "3", + "4", + "5", + "6", + "7", + "8", + "9", + "10", + "11", + "12", + "13", + "14", + "15", + NULL, +}; + static uint64_t supported_samplerates[] = { SR_KHZ(200), SR_KHZ(250), @@ -67,12 +93,14 @@ static struct sr_samplerates samplerates = { supported_samplerates, }; -/* List of struct sr_device_instance, maintained by opendev()/closedev(). */ -static GSList *device_instances = NULL; +/* List of struct sr_dev_inst, maintained by dev_open()/dev_close(). */ +static GSList *dev_insts = 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); +static int new_saleae_logic_firmware = 0; + +static int hw_dev_config_set(int dev_index, int hwcap, void *value); +static int hw_dev_acquisition_stop(int dev_index, gpointer session_dev_id); /** * Check the USB configuration to determine if this is a Saleae Logic. @@ -110,20 +138,29 @@ static int check_conf_profile(libusb_device *dev) break; intf_dsc = &(conf_dsc->interface[0].altsetting[0]); - if (intf_dsc->bNumEndpoints != 2) - /* Need 2 endpoints. */ + if (intf_dsc->bNumEndpoints == 4) { + /* The new Saleae Logic firmware has 4 endpoints. */ + new_saleae_logic_firmware = 1; + } else if (intf_dsc->bNumEndpoints == 2) { + /* The old Saleae Logic firmware has 2 endpoints. */ + new_saleae_logic_firmware = 0; + } else { + /* Other number of endpoints -> not a Saleae Logic. */ break; + } if ((intf_dsc->endpoint[0].bEndpointAddress & 0x8f) != (1 | LIBUSB_ENDPOINT_OUT)) - /* First endpoint should be 1 (outbound). */ + /* The first endpoint should be 1 (outbound). */ break; if ((intf_dsc->endpoint[1].bEndpointAddress & 0x8f) != (2 | LIBUSB_ENDPOINT_IN)) - /* First endpoint should be 2 (inbound). */ + /* The second endpoint should be 2 (inbound). */ break; + /* TODO: The new firmware has 4 endpoints... */ + /* If we made it here, it must be a Saleae Logic. */ ret = 1; } @@ -134,17 +171,17 @@ static int check_conf_profile(libusb_device *dev) return ret; } -static int sl_open_device(int device_index) +static int sl_open_dev(int dev_index) { libusb_device **devlist; struct libusb_device_descriptor des; - struct sr_device_instance *sdi; - struct fx2_device *fx2; + struct sr_dev_inst *sdi; + struct context *ctx; int err, skip, i; - if (!(sdi = sr_get_device_instance(device_instances, device_index))) + if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) return SR_ERR; - fx2 = sdi->priv; + ctx = sdi->priv; if (sdi->status == SR_ST_ACTIVE) /* already in use */ @@ -154,44 +191,45 @@ static int sl_open_device(int device_index) libusb_get_device_list(usb_context, &devlist); for (i = 0; devlist[i]; i++) { if ((err = libusb_get_device_descriptor(devlist[i], &des))) { - sr_warn("failed to get device descriptor: %d", err); + sr_err("logic: failed to get device descriptor: %d", err); continue; } - if (des.idVendor != fx2->profile->fw_vid || des.idProduct != fx2->profile->fw_pid) + if (des.idVendor != ctx->profile->fw_vid + || des.idProduct != ctx->profile->fw_pid) continue; if (sdi->status == SR_ST_INITIALIZING) { - if (skip != device_index) { + if (skip != dev_index) { /* Skip devices of this type that aren't the one we want. */ skip += 1; continue; } } else if (sdi->status == SR_ST_INACTIVE) { /* - * This device is fully enumerated, so we need to find this - * device by vendor, product, bus and address. + * This device is fully enumerated, so we need to find + * this device by vendor, product, bus and address. */ - if (libusb_get_bus_number(devlist[i]) != sdi->usb->bus - || libusb_get_device_address(devlist[i]) != sdi->usb->address) + if (libusb_get_bus_number(devlist[i]) != ctx->usb->bus + || libusb_get_device_address(devlist[i]) != ctx->usb->address) /* this is not the one */ continue; } - if (!(err = libusb_open(devlist[i], &sdi->usb->devhdl))) { - if (sdi->usb->address == 0xff) + if (!(err = libusb_open(devlist[i], &ctx->usb->devhdl))) { + if (ctx->usb->address == 0xff) /* * first time we touch this device after firmware upload, * so we don't know the address yet. */ - sdi->usb->address = libusb_get_device_address(devlist[i]); + ctx->usb->address = libusb_get_device_address(devlist[i]); sdi->status = SR_ST_ACTIVE; - sr_info("saleae: opened device %d on %d.%d interface %d", - sdi->index, sdi->usb->bus, - sdi->usb->address, USB_INTERFACE); + sr_info("logic: opened device %d on %d.%d interface %d", + sdi->index, ctx->usb->bus, + ctx->usb->address, USB_INTERFACE); } else { - sr_warn("failed to open device: %d", err); + sr_err("logic: failed to open device: %d", err); } /* if we made it here, we handled the device one way or another */ @@ -205,30 +243,34 @@ static int sl_open_device(int device_index) return SR_OK; } -static void close_device(struct sr_device_instance *sdi) +static void close_dev(struct sr_dev_inst *sdi) { - if (sdi->usb->devhdl == NULL) + struct context *ctx; + + ctx = sdi->priv; + + if (ctx->usb->devhdl == NULL) return; - sr_info("saleae: closing device %d on %d.%d interface %d", sdi->index, - sdi->usb->bus, sdi->usb->address, USB_INTERFACE); - libusb_release_interface(sdi->usb->devhdl, USB_INTERFACE); - libusb_close(sdi->usb->devhdl); - sdi->usb->devhdl = NULL; + sr_info("logic: closing device %d on %d.%d interface %d", sdi->index, + ctx->usb->bus, ctx->usb->address, USB_INTERFACE); + libusb_release_interface(ctx->usb->devhdl, USB_INTERFACE); + libusb_close(ctx->usb->devhdl); + ctx->usb->devhdl = NULL; sdi->status = SR_ST_INACTIVE; } -static int configure_probes(struct fx2_device *fx2, GSList *probes) +static int configure_probes(struct context *ctx, GSList *probes) { struct sr_probe *probe; GSList *l; int probe_bit, stage, i; char *tc; - fx2->probe_mask = 0; + ctx->probe_mask = 0; for (i = 0; i < NUM_TRIGGER_STAGES; i++) { - fx2->trigger_mask[i] = 0; - fx2->trigger_value[i] = 0; + ctx->trigger_mask[i] = 0; + ctx->trigger_value[i] = 0; } stage = -1; @@ -237,15 +279,15 @@ static int configure_probes(struct fx2_device *fx2, GSList *probes) if (probe->enabled == FALSE) continue; probe_bit = 1 << (probe->index - 1); - fx2->probe_mask |= probe_bit; + ctx->probe_mask |= probe_bit; if (!(probe->trigger)) continue; stage = 0; for (tc = probe->trigger; *tc; tc++) { - fx2->trigger_mask[stage] |= probe_bit; + ctx->trigger_mask[stage] |= probe_bit; if (*tc == '1') - fx2->trigger_value[stage] |= probe_bit; + ctx->trigger_value[stage] |= probe_bit; stage++; if (stage > NUM_TRIGGER_STAGES) return SR_ERR; @@ -257,24 +299,25 @@ static int configure_probes(struct fx2_device *fx2, GSList *probes) * We didn't configure any triggers, make sure acquisition * doesn't wait for any. */ - fx2->trigger_stage = TRIGGER_FIRED; + ctx->trigger_stage = TRIGGER_FIRED; else - fx2->trigger_stage = 0; + ctx->trigger_stage = 0; return SR_OK; } -static struct fx2_device *fx2_device_new(void) +static struct context *fx2_dev_new(void) { - struct fx2_device *fx2; + struct context *ctx; - if (!(fx2 = g_try_malloc0(sizeof(struct fx2_device)))) { - sr_err("saleae: %s: saleae malloc failed", __func__); + if (!(ctx = g_try_malloc0(sizeof(struct context)))) { + sr_err("logic: %s: ctx malloc failed", __func__); return NULL; } - fx2->trigger_stage = TRIGGER_FIRED; + ctx->trigger_stage = TRIGGER_FIRED; + ctx->usb = NULL; - return fx2; + return ctx; } @@ -282,20 +325,20 @@ static struct fx2_device *fx2_device_new(void) * API callbacks */ -static int hw_init(const char *deviceinfo) +static int hw_init(const char *devinfo) { - struct sr_device_instance *sdi; + struct sr_dev_inst *sdi; struct libusb_device_descriptor des; struct fx2_profile *fx2_prof; - struct fx2_device *fx2; + struct context *ctx; libusb_device **devlist; int err, devcnt, i, j; /* Avoid compiler warnings. */ - deviceinfo = deviceinfo; + (void)devinfo; if (libusb_init(&usb_context) != 0) { - sr_warn("Failed to initialize USB."); + sr_err("logic: Failed to initialize USB."); return 0; } @@ -306,7 +349,8 @@ static int hw_init(const char *deviceinfo) fx2_prof = NULL; err = libusb_get_device_descriptor(devlist[i], &des); if (err != 0) { - sr_warn("failed to get device descriptor: %d", err); + sr_err("logic: failed to get device descriptor: %d", + err); continue; } @@ -321,28 +365,31 @@ static int hw_init(const char *deviceinfo) /* not a supported VID/PID */ continue; - sdi = sr_device_instance_new(devcnt, SR_ST_INITIALIZING, + sdi = sr_dev_inst_new(devcnt, SR_ST_INITIALIZING, 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); + ctx = fx2_dev_new(); + ctx->profile = fx2_prof; + sdi->priv = ctx; + dev_insts = g_slist_append(dev_insts, sdi); if (check_conf_profile(devlist[i])) { /* Already has the firmware, so fix the new address. */ + sr_dbg("logic: Found a Saleae Logic with %s firmware.", + new_saleae_logic_firmware ? "new" : "old"); sdi->status = SR_ST_INACTIVE; - sdi->usb = sr_usb_device_instance_new + ctx->usb = 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, FIRMWARE) == SR_OK) /* Remember when the firmware on this device was updated */ - g_get_current_time(&fx2->fw_updated); + g_get_current_time(&ctx->fw_updated); else - sr_warn("firmware upload failed for device %d", devcnt); - sdi->usb = sr_usb_device_instance_new + sr_err("logic: firmware upload failed for " + "device %d", devcnt); + ctx->usb = sr_usb_dev_inst_new (libusb_get_bus_number(devlist[i]), 0xff, NULL); } devcnt++; @@ -352,54 +399,54 @@ static int hw_init(const char *deviceinfo) return devcnt; } -static int hw_opendev(int device_index) +static int hw_dev_open(int dev_index) { GTimeVal cur_time; - struct sr_device_instance *sdi; - struct fx2_device *fx2; + struct sr_dev_inst *sdi; + struct context *ctx; int timediff, err; - if (!(sdi = sr_get_device_instance(device_instances, device_index))) + if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) return SR_ERR; - fx2 = sdi->priv; + ctx = sdi->priv; /* * if the firmware was recently uploaded, wait up to MAX_RENUM_DELAY ms * for the FX2 to renumerate */ err = 0; - if (GTV_TO_MSEC(fx2->fw_updated) > 0) { - sr_info("saleae: waiting for device to reset"); + if (GTV_TO_MSEC(ctx->fw_updated) > 0) { + sr_info("logic: waiting for device to reset"); /* takes at least 300ms for the FX2 to be gone from the USB bus */ - g_usleep(300*1000); + g_usleep(300 * 1000); timediff = 0; while (timediff < MAX_RENUM_DELAY) { - if ((err = sl_open_device(device_index)) == SR_OK) + if ((err = sl_open_dev(dev_index)) == SR_OK) break; - g_usleep(100*1000); + g_usleep(100 * 1000); g_get_current_time(&cur_time); - timediff = GTV_TO_MSEC(cur_time) - GTV_TO_MSEC(fx2->fw_updated); + timediff = GTV_TO_MSEC(cur_time) - GTV_TO_MSEC(ctx->fw_updated); } - sr_info("saleae: device came back after %d ms", timediff); + sr_info("logic: device came back after %d ms", timediff); } else { - err = sl_open_device(device_index); + err = sl_open_dev(dev_index); } if (err != SR_OK) { - sr_warn("unable to open device"); + sr_err("logic: unable to open device"); return SR_ERR; } - fx2 = sdi->priv; + ctx = sdi->priv; - err = libusb_claim_interface(sdi->usb->devhdl, USB_INTERFACE); + err = libusb_claim_interface(ctx->usb->devhdl, USB_INTERFACE); if (err != 0) { - sr_warn("Unable to claim interface: %d", err); + sr_err("logic: Unable to claim interface: %d", err); return SR_ERR; } - if (fx2->cur_samplerate == 0) { + if (ctx->cur_samplerate == 0) { /* Samplerate hasn't been set; default to the slowest one. */ - if (hw_set_configuration(device_index, SR_HWCAP_SAMPLERATE, + if (hw_dev_config_set(dev_index, SR_HWCAP_SAMPLERATE, &supported_samplerates[0]) == SR_ERR) return SR_ERR; } @@ -407,56 +454,77 @@ static int hw_opendev(int device_index) return SR_OK; } -static int hw_closedev(int device_index) +static int hw_dev_close(int dev_index) { - struct sr_device_instance *sdi; + struct sr_dev_inst *sdi; - if (!(sdi = sr_get_device_instance(device_instances, device_index))) { + if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) { sr_err("logic: %s: sdi was NULL", __func__); return SR_ERR; /* TODO: SR_ERR_ARG? */ } /* TODO */ - close_device(sdi); + close_dev(sdi); return SR_OK; } -static void hw_cleanup(void) +static int hw_cleanup(void) { GSList *l; + struct sr_dev_inst *sdi; + struct context *ctx; + int ret = SR_OK; + + /* Properly close and free all devices. */ + for (l = dev_insts; l; l = l->next) { + if (!(sdi = l->data)) { + /* Log error, but continue cleaning up the rest. */ + sr_err("logic: %s: sdi was NULL, continuing", __func__); + ret = SR_ERR_BUG; + continue; + } + if (!(ctx = sdi->priv)) { + /* Log error, but continue cleaning up the rest. */ + sr_err("logic: %s: sdi->priv was NULL, continuing", + __func__); + ret = SR_ERR_BUG; + continue; + } + close_dev(sdi); + sr_usb_dev_inst_free(ctx->usb); + sr_dev_inst_free(sdi); + } - /* Properly close all devices... */ - for (l = device_instances; l; l = l->next) - close_device((struct sr_device_instance *)l->data); - - /* ...and free all their memory. */ - for (l = device_instances; l; l = l->next) - g_free(l->data); - g_slist_free(device_instances); - device_instances = NULL; + g_slist_free(dev_insts); + dev_insts = NULL; if (usb_context) libusb_exit(usb_context); usb_context = NULL; + + return ret; } -static void *hw_get_device_info(int device_index, int device_info_id) +static void *hw_dev_info_get(int dev_index, int dev_info_id) { - struct sr_device_instance *sdi; - struct fx2_device *fx2; + struct sr_dev_inst *sdi; + struct context *ctx; void *info = NULL; - if (!(sdi = sr_get_device_instance(device_instances, device_index))) + if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) return NULL; - fx2 = sdi->priv; + ctx = sdi->priv; - switch (device_info_id) { - case SR_DI_INSTANCE: + switch (dev_info_id) { + case SR_DI_INST: info = sdi; break; case SR_DI_NUM_PROBES: - info = GINT_TO_POINTER(fx2->profile->num_probes); + info = GINT_TO_POINTER(ctx->profile->num_probes); + break; + case SR_DI_PROBE_NAMES: + info = probe_names; break; case SR_DI_SAMPLERATES: info = &samplerates; @@ -465,38 +533,78 @@ static void *hw_get_device_info(int device_index, int device_info_id) info = TRIGGER_TYPES; break; case SR_DI_CUR_SAMPLERATE: - info = &fx2->cur_samplerate; + info = &ctx->cur_samplerate; break; } return info; } -static int hw_get_status(int device_index) +static int hw_dev_status_get(int dev_index) { - struct sr_device_instance *sdi; + struct sr_dev_inst *sdi; - sdi = sr_get_device_instance(device_instances, device_index); + sdi = sr_dev_inst_get(dev_insts, dev_index); if (sdi) return sdi->status; else return SR_ST_NOT_FOUND; } -static int *hw_get_capabilities(void) +static int *hw_hwcap_get_all(void) { - return capabilities; + return hwcaps; +} + +static uint8_t new_firmware_divider_value(uint64_t samplerate) +{ + switch (samplerate) { + case SR_MHZ(24): + return 0xe0; + break; + case SR_MHZ(16): + return 0xd5; + break; + case SR_MHZ(12): + return 0xe2; + break; + case SR_MHZ(8): + return 0xd4; + break; + case SR_MHZ(4): + return 0xda; + break; + case SR_MHZ(2): + return 0xe6; + break; + case SR_MHZ(1): + return 0x8e; + break; + case SR_KHZ(500): + return 0xfe; + break; + case SR_KHZ(250): + return 0x9e; + break; + case SR_KHZ(200): + return 0x4e; + break; + } + + /* Shouldn't happen. */ + sr_err("logic: %s: Invalid samplerate %" PRIu64 "", + __func__, samplerate); + return 0; } -static int set_configuration_samplerate(struct sr_device_instance *sdi, - uint64_t samplerate) +static int set_samplerate(struct sr_dev_inst *sdi, uint64_t samplerate) { - struct fx2_device *fx2; + struct context *ctx; uint8_t divider; int ret, result, i; unsigned char buf[2]; - fx2 = sdi->priv; + ctx = sdi->priv; for (i = 0; supported_samplerates[i]; i++) { if (supported_samplerates[i] == samplerate) break; @@ -504,43 +612,43 @@ static int set_configuration_samplerate(struct sr_device_instance *sdi, if (supported_samplerates[i] == 0) return SR_ERR_SAMPLERATE; - divider = (uint8_t) (48 / (samplerate / 1000000.0)) - 1; + if (new_saleae_logic_firmware) + divider = new_firmware_divider_value(samplerate); + else + divider = (uint8_t) (48 / (samplerate / 1000000.0)) - 1; - sr_info("saleae: setting samplerate to %" PRIu64 " Hz (divider %d)", + sr_info("logic: setting samplerate to %" PRIu64 " Hz (divider %d)", samplerate, divider); - buf[0] = 0x01; + + buf[0] = (new_saleae_logic_firmware) ? 0xd5 : 0x01; buf[1] = divider; - ret = libusb_bulk_transfer(sdi->usb->devhdl, 1 | LIBUSB_ENDPOINT_OUT, + ret = libusb_bulk_transfer(ctx->usb->devhdl, 1 | LIBUSB_ENDPOINT_OUT, buf, 2, &result, 500); if (ret != 0) { - sr_warn("failed to set samplerate: %d", ret); + sr_err("logic: failed to set samplerate: %d", ret); return SR_ERR; } - fx2->cur_samplerate = samplerate; - fx2->period_ps = 1000000000000 / samplerate; + ctx->cur_samplerate = samplerate; return SR_OK; } -static int hw_set_configuration(int device_index, int capability, void *value) +static int hw_dev_config_set(int dev_index, int hwcap, void *value) { - struct sr_device_instance *sdi; - struct fx2_device *fx2; + struct sr_dev_inst *sdi; + struct context *ctx; int ret; - uint64_t *tmp_u64; - if (!(sdi = sr_get_device_instance(device_instances, device_index))) + if (!(sdi = sr_dev_inst_get(dev_insts, dev_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(fx2, (GSList *) value); - } else if (capability == SR_HWCAP_LIMIT_SAMPLES) { - tmp_u64 = value; - fx2->limit_samples = *tmp_u64; + ctx = sdi->priv; + + if (hwcap == SR_HWCAP_SAMPLERATE) { + ret = set_samplerate(sdi, *(uint64_t *)value); + } else if (hwcap == SR_HWCAP_PROBECONFIG) { + ret = configure_probes(ctx, (GSList *) value); + } else if (hwcap == SR_HWCAP_LIMIT_SAMPLES) { + ctx->limit_samples = *(uint64_t *)value; ret = SR_OK; } else { ret = SR_ERR; @@ -554,9 +662,9 @@ static int receive_data(int fd, int revents, void *user_data) struct timeval tv; /* Avoid compiler warnings. */ - fd = fd; - revents = revents; - user_data = user_data; + (void)fd; + (void)revents; + (void)user_data; tv.tv_sec = tv.tv_usec = 0; libusb_handle_events_timeout(usb_context, &tv); @@ -564,18 +672,18 @@ static int receive_data(int fd, int revents, void *user_data) return TRUE; } -void receive_transfer(struct libusb_transfer *transfer) +static void receive_transfer(struct libusb_transfer *transfer) { - /* TODO: these statics have to move to fx2_device struct */ + /* TODO: These statics have to move to the ctx struct. */ static int num_samples = 0; static int empty_transfer_count = 0; struct sr_datafeed_packet packet; struct sr_datafeed_logic logic; - struct fx2_device *fx2; + struct context *ctx; int cur_buflen, trigger_offset, i; unsigned char *cur_buf, *new_buf; - /* hw_stop_acquisition() is telling us to stop. */ + /* hw_dev_acquisition_stop() is telling us to stop. */ if (transfer == NULL) num_samples = -1; @@ -589,26 +697,26 @@ void receive_transfer(struct libusb_transfer *transfer) return; } - sr_info("saleae: receive_transfer(): status %d received %d bytes", + sr_info("logic: receive_transfer(): status %d received %d bytes", transfer->status, transfer->actual_length); /* Save incoming transfer before reusing the transfer struct. */ cur_buf = transfer->buffer; cur_buflen = transfer->actual_length; - fx2 = transfer->user_data; + ctx = transfer->user_data; /* Fire off a new request. */ if (!(new_buf = g_try_malloc(4096))) { - sr_err("saleae: %s: new_buf malloc failed", __func__); - // return SR_ERR_MALLOC; - return; /* FIXME */ + sr_err("logic: %s: new_buf malloc failed", __func__); + return; /* TODO: SR_ERR_MALLOC */ } transfer->buffer = new_buf; transfer->length = 4096; if (libusb_submit_transfer(transfer) != 0) { /* TODO: Stop session? */ - sr_warn("eek"); + /* TODO: Better error message. */ + sr_err("logic: %s: libusb_submit_transfer error", __func__); } if (cur_buflen == 0) { @@ -618,7 +726,7 @@ 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, fx2->session_data); + hw_dev_acquisition_stop(-1, ctx->session_data); } return; } else { @@ -626,15 +734,15 @@ void receive_transfer(struct libusb_transfer *transfer) } trigger_offset = 0; - if (fx2->trigger_stage >= 0) { + if (ctx->trigger_stage >= 0) { for (i = 0; i < cur_buflen; i++) { - if ((cur_buf[i] & fx2->trigger_mask[fx2->trigger_stage]) == fx2->trigger_value[fx2->trigger_stage]) { + if ((cur_buf[i] & ctx->trigger_mask[ctx->trigger_stage]) == ctx->trigger_value[ctx->trigger_stage]) { /* Match on this trigger stage. */ - fx2->trigger_buffer[fx2->trigger_stage] = cur_buf[i]; - fx2->trigger_stage++; + ctx->trigger_buffer[ctx->trigger_stage] = cur_buf[i]; + ctx->trigger_stage++; - if (fx2->trigger_stage == NUM_TRIGGER_STAGES || fx2->trigger_mask[fx2->trigger_stage] == 0) { + if (ctx->trigger_stage == NUM_TRIGGER_STAGES || ctx->trigger_mask[ctx->trigger_stage] == 0) { /* Match on all trigger stages, we're done. */ trigger_offset = i + 1; @@ -643,25 +751,21 @@ void receive_transfer(struct libusb_transfer *transfer) * Tell the frontend we hit the trigger here. */ packet.type = SR_DF_TRIGGER; - packet.timeoffset = (num_samples + i) * fx2->period_ps; - packet.duration = 0; packet.payload = NULL; - sr_session_bus(fx2->session_data, &packet); + sr_session_bus(ctx->session_data, &packet); /* * Send the samples that triggered it, since we're * skipping past them. */ packet.type = SR_DF_LOGIC; - packet.timeoffset = (num_samples + i) * fx2->period_ps; - packet.duration = fx2->trigger_stage * fx2->period_ps; packet.payload = &logic; - logic.length = fx2->trigger_stage; + logic.length = ctx->trigger_stage; logic.unitsize = 1; - logic.data = fx2->trigger_buffer; - sr_session_bus(fx2->session_data, &packet); + logic.data = ctx->trigger_buffer; + sr_session_bus(ctx->session_data, &packet); - fx2->trigger_stage = TRIGGER_FIRED; + ctx->trigger_stage = TRIGGER_FIRED; break; } return; @@ -674,31 +778,29 @@ 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 (fx2->trigger_stage > 0) { - i -= fx2->trigger_stage; + if (ctx->trigger_stage > 0) { + i -= ctx->trigger_stage; if (i < -1) i = -1; /* Oops, went back past this buffer. */ /* Reset trigger stage. */ - fx2->trigger_stage = 0; + ctx->trigger_stage = 0; } } } - if (fx2->trigger_stage == TRIGGER_FIRED) { + if (ctx->trigger_stage == TRIGGER_FIRED) { /* Send the incoming transfer to the session bus. */ packet.type = SR_DF_LOGIC; - packet.timeoffset = num_samples * fx2->period_ps; - packet.duration = cur_buflen * fx2->period_ps; packet.payload = &logic; logic.length = cur_buflen - trigger_offset; logic.unitsize = 1; logic.data = cur_buf + trigger_offset; - sr_session_bus(fx2->session_data, &packet); + sr_session_bus(ctx->session_data, &packet); g_free(cur_buf); num_samples += cur_buflen; - if (fx2->limit_samples && (unsigned int) num_samples > fx2->limit_samples) { - hw_stop_acquisition(-1, fx2->session_data); + if (ctx->limit_samples && (unsigned int) num_samples > ctx->limit_samples) { + hw_dev_acquisition_stop(-1, ctx->session_data); } } else { /* @@ -708,29 +810,29 @@ void receive_transfer(struct libusb_transfer *transfer) } } -static int hw_start_acquisition(int device_index, gpointer session_data) +static int hw_dev_acquisition_start(int dev_index, gpointer session_data) { - struct sr_device_instance *sdi; + struct sr_dev_inst *sdi; struct sr_datafeed_packet *packet; struct sr_datafeed_header *header; - struct fx2_device *fx2; + struct context *ctx; struct libusb_transfer *transfer; const struct libusb_pollfd **lupfd; int size, i; unsigned char *buf; - if (!(sdi = sr_get_device_instance(device_instances, device_index))) + if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) return SR_ERR; - fx2 = sdi->priv; - fx2->session_data = session_data; + ctx = sdi->priv; + ctx->session_data = session_data; if (!(packet = g_try_malloc(sizeof(struct sr_datafeed_packet)))) { - sr_err("saleae: %s: packet malloc failed", __func__); + sr_err("logic: %s: packet malloc failed", __func__); return SR_ERR_MALLOC; } if (!(header = g_try_malloc(sizeof(struct sr_datafeed_header)))) { - sr_err("saleae: %s: header malloc failed", __func__); + sr_err("logic: %s: header malloc failed", __func__); return SR_ERR_MALLOC; } @@ -738,13 +840,13 @@ static int hw_start_acquisition(int device_index, gpointer session_data) size = 2048; for (i = 0; i < NUM_SIMUL_TRANSFERS; i++) { if (!(buf = g_try_malloc(size))) { - sr_err("saleae: %s: buf malloc failed", __func__); + sr_err("logic: %s: buf malloc failed", __func__); return SR_ERR_MALLOC; } transfer = libusb_alloc_transfer(0); - libusb_fill_bulk_transfer(transfer, sdi->usb->devhdl, + libusb_fill_bulk_transfer(transfer, ctx->usb->devhdl, 2 | LIBUSB_ENDPOINT_IN, buf, size, - receive_transfer, fx2, 40); + receive_transfer, ctx, 40); if (libusb_submit_transfer(transfer) != 0) { /* TODO: Free them all. */ libusb_free_transfer(transfer); @@ -758,15 +860,14 @@ static int hw_start_acquisition(int device_index, gpointer session_data) for (i = 0; lupfd[i]; i++) sr_source_add(lupfd[i]->fd, lupfd[i]->events, 40, receive_data, NULL); - free(lupfd); + free(lupfd); /* NOT g_free()! */ packet->type = SR_DF_HEADER; packet->payload = header; header->feed_version = 1; gettimeofday(&header->starttime, NULL); - header->samplerate = fx2->cur_samplerate; - header->num_logic_probes = fx2->profile->num_probes; - header->num_analog_probes = 0; + header->samplerate = ctx->cur_samplerate; + header->num_logic_probes = ctx->profile->num_probes; sr_session_bus(session_data, packet); g_free(header); g_free(packet); @@ -774,13 +875,13 @@ static int hw_start_acquisition(int device_index, gpointer session_data) return SR_OK; } -/* This stops acquisition on ALL devices, ignoring device_index. */ -static void hw_stop_acquisition(int device_index, gpointer session_data) +/* This stops acquisition on ALL devices, ignoring dev_index. */ +static int hw_dev_acquisition_stop(int dev_index, gpointer session_data) { struct sr_datafeed_packet packet; /* Avoid compiler warnings. */ - device_index = device_index; + (void)dev_index; packet.type = SR_DF_END; sr_session_bus(session_data, &packet); @@ -788,20 +889,22 @@ static void hw_stop_acquisition(int device_index, gpointer session_data) receive_transfer(NULL); /* TODO: Need to cancel and free any queued up transfers. */ + + return SR_OK; } -struct sr_device_plugin saleae_logic_plugin_info = { +SR_PRIV struct sr_dev_plugin saleae_logic_plugin_info = { .name = "saleae-logic", .longname = "Saleae Logic", .api_version = 1, .init = hw_init, .cleanup = hw_cleanup, - .opendev = hw_opendev, - .closedev = hw_closedev, - .get_device_info = hw_get_device_info, - .get_status = hw_get_status, - .get_capabilities = hw_get_capabilities, - .set_configuration = hw_set_configuration, - .start_acquisition = hw_start_acquisition, - .stop_acquisition = hw_stop_acquisition, + .dev_open = hw_dev_open, + .dev_close = hw_dev_close, + .dev_info_get = hw_dev_info_get, + .dev_status_get = hw_dev_status_get, + .hwcap_get_all = hw_hwcap_get_all, + .dev_config_set = hw_dev_config_set, + .dev_acquisition_start = hw_dev_acquisition_start, + .dev_acquisition_stop = hw_dev_acquisition_stop, };