saleae-logic16: Whitespace fixes, cosmetics.
This commit is contained in:
parent
186dde8d72
commit
96484e22b4
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@ -28,9 +28,9 @@
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#include "libsigrok-internal.h"
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#include "protocol.h"
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#define LOGIC16_VID 0x21a9
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#define LOGIC16_PID 0x1001
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#define NUM_PROBES 16
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#define LOGIC16_VID 0x21a9
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#define LOGIC16_PID 0x1001
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#define NUM_PROBES 16
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#define USB_INTERFACE 0
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#define USB_CONFIGURATION 1
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@ -39,7 +39,6 @@
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#define MAX_RENUM_DELAY_MS 3000
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#define NUM_SIMUL_TRANSFERS 32
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SR_PRIV struct sr_dev_driver saleae_logic16_driver_info;
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static struct sr_dev_driver *di = &saleae_logic16_driver_info;
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@ -118,7 +117,7 @@ static gboolean check_conf_profile(libusb_device *dev)
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break;
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if (libusb_get_string_descriptor_ascii(hdl,
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des.iProduct, strdesc, sizeof(strdesc)) < 0)
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des.iProduct, strdesc, sizeof(strdesc)) < 0)
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break;
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if (strcmp((const char *)strdesc, "Logic S/16"))
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break;
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@ -180,7 +179,7 @@ static GSList *scan(GSList *options)
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continue;
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}
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if ((ret = libusb_get_device_descriptor( devlist[i], &des)) != 0) {
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if ((ret = libusb_get_device_descriptor(devlist[i], &des)) != 0) {
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sr_warn("Failed to get device descriptor: %s.",
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libusb_error_name(ret));
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continue;
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@ -215,8 +214,9 @@ static GSList *scan(GSList *options)
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sr_dbg("Found a Logic16 device.");
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sdi->status = SR_ST_INACTIVE;
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sdi->inst_type = SR_INST_USB;
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sdi->conn = sr_usb_dev_inst_new(libusb_get_bus_number(devlist[i]),
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libusb_get_device_address(devlist[i]), NULL);
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sdi->conn = sr_usb_dev_inst_new(
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libusb_get_bus_number(devlist[i]),
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libusb_get_device_address(devlist[i]), NULL);
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} else {
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if (ezusb_upload_firmware(devlist[i], USB_CONFIGURATION,
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FX2_FIRMWARE) == SR_OK)
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@ -226,8 +226,8 @@ static GSList *scan(GSList *options)
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sr_err("Firmware upload failed for "
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"device %d.", devcnt);
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sdi->inst_type = SR_INST_USB;
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sdi->conn = sr_usb_dev_inst_new (libusb_get_bus_number(devlist[i]),
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0xff, NULL);
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sdi->conn = sr_usb_dev_inst_new(
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libusb_get_bus_number(devlist[i]), 0xff, NULL);
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}
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}
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libusb_free_device_list(devlist, 1);
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@ -280,8 +280,7 @@ static int logic16_dev_open(struct sr_dev_inst *sdi)
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continue;
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}
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if (des.idVendor != LOGIC16_VID
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|| des.idProduct != LOGIC16_PID)
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if (des.idVendor != LOGIC16_VID || des.idProduct != LOGIC16_PID)
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continue;
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if (sdi->status == SR_ST_INITIALIZING) {
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@ -296,7 +295,7 @@ static int logic16_dev_open(struct sr_dev_inst *sdi)
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* this device by vendor, product, bus and address.
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*/
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if (libusb_get_bus_number(devlist[i]) != usb->bus
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|| libusb_get_device_address(devlist[i]) != usb->address)
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|| libusb_get_device_address(devlist[i]) != usb->address)
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/* This is not the one. */
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continue;
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}
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@ -314,16 +313,14 @@ static int logic16_dev_open(struct sr_dev_inst *sdi)
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break;
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}
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if ((ret = saleae_logic16_init_device(sdi)) != SR_OK) {
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if ((ret = logic16_init_device(sdi)) != SR_OK) {
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sr_err("Failed to init device.");
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break;
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}
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sdi->status = SR_ST_ACTIVE;
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sr_info("Opened device %d on %d.%d, "
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"interface %d.",
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sdi->index, usb->bus, usb->address,
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USB_INTERFACE);
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sr_info("Opened device %d on %d.%d, interface %d.",
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sdi->index, usb->bus, usb->address, USB_INTERFACE);
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break;
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}
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@ -381,7 +378,7 @@ static int dev_open(struct sr_dev_inst *sdi)
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ret = libusb_claim_interface(usb->devhdl, USB_INTERFACE);
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if (ret != 0) {
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switch(ret) {
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switch (ret) {
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case LIBUSB_ERROR_BUSY:
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sr_err("Unable to claim USB interface. Another "
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"program or driver has already claimed it.");
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@ -447,7 +444,7 @@ static int config_get(int key, GVariant **data, const struct sr_dev_inst *sdi)
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GVariant *range[2];
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char str[128];
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int ret;
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unsigned i;
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unsigned int i;
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ret = SR_OK;
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switch (key) {
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@ -473,15 +470,16 @@ static int config_get(int key, GVariant **data, const struct sr_dev_inst *sdi)
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return SR_ERR;
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devc = sdi->priv;
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ret = SR_ERR;
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for (i = 0; i < ARRAY_SIZE(volt_thresholds); i++)
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if (devc->selected_voltage_range ==
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volt_thresholds[i].range) {
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range[0] = g_variant_new_double(volt_thresholds[i].low);
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range[1] = g_variant_new_double(volt_thresholds[i].high);
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*data = g_variant_new_tuple(range, 2);
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ret = SR_OK;
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break;
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}
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for (i = 0; i < ARRAY_SIZE(volt_thresholds); i++) {
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if (devc->selected_voltage_range !=
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volt_thresholds[i].range)
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continue;
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range[0] = g_variant_new_double(volt_thresholds[i].low);
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range[1] = g_variant_new_double(volt_thresholds[i].high);
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*data = g_variant_new_tuple(range, 2);
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ret = SR_OK;
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break;
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}
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break;
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default:
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return SR_ERR_NA;
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@ -495,7 +493,7 @@ static int config_set(int key, GVariant *data, const struct sr_dev_inst *sdi)
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struct dev_context *devc;
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gdouble low, high;
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int ret;
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unsigned i;
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unsigned int i;
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if (sdi->status != SR_ST_ACTIVE)
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return SR_ERR_DEV_CLOSED;
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@ -535,7 +533,7 @@ static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi)
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GVariant *gvar, *range[2];
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GVariantBuilder gvb;
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int ret;
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unsigned i;
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unsigned int i;
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(void)sdi;
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@ -551,8 +549,8 @@ static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi)
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break;
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case SR_CONF_SAMPLERATE:
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g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}"));
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gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"), samplerates,
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ARRAY_SIZE(samplerates), sizeof(uint64_t));
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gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"),
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samplerates, ARRAY_SIZE(samplerates), sizeof(uint64_t));
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g_variant_builder_add(&gvb, "{sv}", "samplerates", gvar);
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*data = g_variant_builder_end(&gvb);
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break;
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@ -646,14 +644,15 @@ static int configure_probes(const struct sr_dev_inst *sdi)
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devc->cur_channels |= probe_bit;
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#ifdef WORDS_BIGENDIAN
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/* Output logic data should be stored in little endian
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format. To speed things up during conversion, do the
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switcharoo here instead. */
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/*
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* Output logic data should be stored in little endian format.
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* To speed things up during conversion, do the switcharoo
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* here instead.
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*/
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probe_bit = 1 << (probe->index ^ 8);
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#endif
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devc->channel_masks[devc->num_channels ++] = probe_bit;
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devc->channel_masks[devc->num_channels++] = probe_bit;
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}
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return SR_OK;
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@ -677,15 +676,14 @@ static int receive_data(int fd, int revents, void *cb_data)
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libusb_handle_events_timeout(drvc->sr_ctx->libusb_ctx, &tv);
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if (devc->num_samples == -2) {
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saleae_logic16_abort_acquisition(sdi);
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logic16_abort_acquisition(sdi);
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abort_acquisition(devc);
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}
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return TRUE;
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}
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static int dev_acquisition_start(const struct sr_dev_inst *sdi,
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void *cb_data)
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static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
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{
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struct dev_context *devc;
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struct drv_context *drvc;
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@ -704,7 +702,7 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi,
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devc = sdi->priv;
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usb = sdi->conn;
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/* Configures devc->cur_channels */
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/* Configures devc->cur_channels. */
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if (configure_probes(sdi) != SR_OK) {
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sr_err("Failed to configure probes.");
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return SR_ERR;
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@ -736,8 +734,8 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi,
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return SR_ERR_MALLOC;
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}
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if ((ret = saleae_logic16_setup_acquisition(sdi, devc->cur_samplerate,
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devc->cur_channels)) != SR_OK) {
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if ((ret = logic16_setup_acquisition(sdi, devc->cur_samplerate,
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devc->cur_channels)) != SR_OK) {
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g_free(devc->transfers);
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g_free(devc->convbuffer);
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return ret;
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@ -758,7 +756,7 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi,
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transfer = libusb_alloc_transfer(0);
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libusb_fill_bulk_transfer(transfer, usb->devhdl,
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2 | LIBUSB_ENDPOINT_IN, buf, size,
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saleae_logic16_receive_transfer, devc, timeout);
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logic16_receive_transfer, devc, timeout);
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if ((ret = libusb_submit_transfer(transfer)) != 0) {
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sr_err("Failed to submit transfer: %s.",
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libusb_error_name(ret));
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@ -773,7 +771,8 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi,
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lupfd = libusb_get_pollfds(drvc->sr_ctx->libusb_ctx);
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for (i = 0; lupfd[i]; i++);
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if (!(devc->usbfd = g_try_malloc(sizeof(struct libusb_pollfd) * (i + 1)))) {
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devc->usbfd = g_try_malloc(sizeof(struct libusb_pollfd) * (i + 1));
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if (!devc->usbfd) {
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abort_acquisition(devc);
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free(lupfd);
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return SR_ERR;
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@ -789,7 +788,7 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi,
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/* Send header packet to the session bus. */
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std_session_send_df_header(cb_data, LOG_PREFIX);
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if ((ret = saleae_logic16_start_acquisition(sdi)) != SR_OK) {
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if ((ret = logic16_start_acquisition(sdi)) != SR_OK) {
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abort_acquisition(devc);
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return ret;
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}
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@ -806,7 +805,7 @@ static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
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if (sdi->status != SR_ST_ACTIVE)
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return SR_ERR_DEV_CLOSED;
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ret = saleae_logic16_abort_acquisition(sdi);
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ret = logic16_abort_acquisition(sdi);
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abort_acquisition(sdi->priv);
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@ -66,14 +66,14 @@
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#define MAX_EMPTY_TRANSFERS 64
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static void encrypt(uint8_t *dest, const uint8_t *src, uint8_t cnt)
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{
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uint8_t state1 = 0x9b, state2 = 0x54;
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uint8_t t, v;
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int i;
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for (i=0; i<cnt; i++) {
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uint8_t t, v = src[i];
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for (i = 0; i < cnt; i++) {
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v = src[i];
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t = (((v ^ state2 ^ 0x2b) - 0x05) ^ 0x35) - 0x39;
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t = (((t ^ state1 ^ 0x5a) - 0xb0) ^ 0x38) - 0x45;
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dest[i] = state2 = t;
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@ -84,9 +84,11 @@ static void encrypt(uint8_t *dest, const uint8_t *src, uint8_t cnt)
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static void decrypt(uint8_t *dest, const uint8_t *src, uint8_t cnt)
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{
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uint8_t state1 = 0x9b, state2 = 0x54;
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uint8_t t, v;
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int i;
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for (i=0; i<cnt; i++) {
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uint8_t t, v = src[i];
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for (i = 0; i < cnt; i++) {
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v = src[i];
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t = (((v + 0x45) ^ 0x38) + 0xb0) ^ 0x5a ^ state1;
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t = (((t + 0x39) ^ 0x35) + 0x05) ^ 0x2b ^ state2;
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dest[i] = state1 = t;
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@ -112,28 +114,29 @@ static int do_ep1_command(const struct sr_dev_inst *sdi,
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ret = libusb_bulk_transfer(usb->devhdl, 1, buf, cmd_len, &xfer, 1000);
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if (ret != 0) {
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sr_dbg("Failed to send EP1 command 0x%02x: %s",
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sr_dbg("Failed to send EP1 command 0x%02x: %s.",
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command[0], libusb_error_name(ret));
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return SR_ERR;
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}
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if (xfer != cmd_len) {
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sr_dbg("Failed to send EP1 command 0x%02x: incorrect length %d != %d",
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xfer, cmd_len);
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sr_dbg("Failed to send EP1 command 0x%02x: incorrect length "
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"%d != %d.", xfer, cmd_len);
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return SR_ERR;
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}
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if (reply_len == 0)
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return SR_OK;
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ret = libusb_bulk_transfer(usb->devhdl, 0x80 | 1, buf, reply_len, &xfer, 1000);
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ret = libusb_bulk_transfer(usb->devhdl, 0x80 | 1, buf, reply_len,
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&xfer, 1000);
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if (ret != 0) {
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sr_dbg("Failed to receive reply to EP1 command 0x%02x: %s",
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sr_dbg("Failed to receive reply to EP1 command 0x%02x: %s.",
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command[0], libusb_error_name(ret));
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return SR_ERR;
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}
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if (xfer != reply_len) {
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sr_dbg("Failed to receive reply to EP1 command 0x%02x: incorrect length %d != %d",
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xfer, reply_len);
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sr_dbg("Failed to receive reply to EP1 command 0x%02x: "
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"incorrect length %d != %d.", xfer, reply_len);
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return SR_ERR;
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}
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@ -159,21 +162,22 @@ static int read_eeprom(const struct sr_dev_inst *sdi,
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static int upload_led_table(const struct sr_dev_inst *sdi,
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const uint8_t *table, uint8_t offset, uint8_t cnt)
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{
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uint8_t command[64];
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uint8_t chunk, command[64];
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int ret;
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if (cnt < 1 || cnt+offset > 64 || table == NULL)
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if (cnt < 1 || cnt + offset > 64 || table == NULL)
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return SR_ERR_ARG;
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while (cnt > 0) {
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uint8_t chunk = (cnt > 32? 32 : cnt);
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chunk = (cnt > 32 ? 32 : cnt);
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command[0] = COMMAND_WRITE_LED_TABLE;
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command[1] = offset;
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command[2] = chunk;
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memcpy(command+3, table, chunk);
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memcpy(command + 3, table, chunk);
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if ((ret = do_ep1_command(sdi, command, 3+chunk, NULL, 0)) != SR_OK)
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ret = do_ep1_command(sdi, command, 3 + chunk, NULL, 0);
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if (ret != SR_OK)
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return ret;
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table += chunk;
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@ -191,8 +195,8 @@ static int set_led_mode(const struct sr_dev_inst *sdi,
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uint8_t command[6] = {
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COMMAND_SET_LED_MODE,
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animate,
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t2reload&0xff,
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t2reload>>8,
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t2reload & 0xff,
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t2reload >> 8,
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div,
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repeat,
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};
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@ -223,22 +227,22 @@ static int write_fpga_registers(const struct sr_dev_inst *sdi,
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command[0] = COMMAND_FPGA_WRITE_REGISTER;
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command[1] = cnt;
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for (i=0; i<cnt; i++) {
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command[2+2*i] = regs[i][0];
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command[3+2*i] = regs[i][1];
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for (i = 0; i < cnt; i++) {
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command[2 + 2 * i] = regs[i][0];
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command[3 + 2 * i] = regs[i][1];
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}
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return do_ep1_command(sdi, command, 2*(cnt+1), NULL, 0);
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return do_ep1_command(sdi, command, 2 * (cnt + 1), NULL, 0);
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}
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static int write_fpga_register(const struct sr_dev_inst *sdi,
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uint8_t address, uint8_t value)
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{
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uint8_t regs[2] = { address, value };
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return write_fpga_registers(sdi, ®s, 1);
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}
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static uint8_t map_eeprom_data(uint8_t v)
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{
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return (((v ^ 0x80) + 0x44) ^ 0xd5) + 0x69;
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||||
|
@ -254,9 +258,9 @@ static int prime_fpga(const struct sr_dev_inst *sdi)
|
|||
{12, 0},
|
||||
{10, 0xc0},
|
||||
{10, 0x40},
|
||||
{ 6, 0},
|
||||
{ 7, 1},
|
||||
{ 7, 0}
|
||||
{6, 0},
|
||||
{7, 1},
|
||||
{7, 0}
|
||||
};
|
||||
int i, ret;
|
||||
|
||||
|
@ -271,7 +275,7 @@ static int prime_fpga(const struct sr_dev_inst *sdi)
|
|||
regs[3][1] |= old_reg_10;
|
||||
regs[4][1] |= old_reg_10;
|
||||
|
||||
for (i=0; i<16; i++) {
|
||||
for (i = 0; i < 16; i++) {
|
||||
regs[2][1] = eeprom_data[i];
|
||||
regs[5][1] = map_eeprom_data(eeprom_data[i]);
|
||||
if (i)
|
||||
|
@ -289,7 +293,7 @@ static int prime_fpga(const struct sr_dev_inst *sdi)
|
|||
return ret;
|
||||
|
||||
if (version != 0x10) {
|
||||
sr_err("Invalid FPGA bitstream version: 0x%02x != 0x10", version);
|
||||
sr_err("Invalid FPGA bitstream version: 0x%02x != 0x10.", version);
|
||||
return SR_ERR;
|
||||
}
|
||||
|
||||
|
@ -302,9 +306,9 @@ static void make_heartbeat(uint8_t *table, int len)
|
|||
|
||||
memset(table, 0, len);
|
||||
len >>= 3;
|
||||
for (i=0; i<2; i++)
|
||||
for (j=0; j<len; j++)
|
||||
*table++ = sin(j*M_PI/len)*255;
|
||||
for (i = 0; i < 2; i++)
|
||||
for (j = 0; j < len; j++)
|
||||
*table++ = sin(j * M_PI / len) * 255;
|
||||
}
|
||||
|
||||
static int configure_led(const struct sr_dev_inst *sdi)
|
||||
|
@ -325,8 +329,8 @@ static int upload_fpga_bitstream(const struct sr_dev_inst *sdi,
|
|||
struct dev_context *devc;
|
||||
int offset, chunksize, ret;
|
||||
const char *filename;
|
||||
uint8_t len, buf[256 * 62], command[64];
|
||||
FILE *fw;
|
||||
unsigned char buf[256*62];
|
||||
|
||||
devc = sdi->priv;
|
||||
|
||||
|
@ -341,13 +345,13 @@ static int upload_fpga_bitstream(const struct sr_dev_inst *sdi,
|
|||
filename = FPGA_FIRMWARE_33;
|
||||
break;
|
||||
default:
|
||||
sr_err("Unsupported voltage range");
|
||||
sr_err("Unsupported voltage range.");
|
||||
return SR_ERR;
|
||||
}
|
||||
|
||||
sr_info("Uploading FPGA bitstream at %s", filename);
|
||||
sr_info("Uploading FPGA bitstream at %s.", filename);
|
||||
if ((fw = g_fopen(filename, "rb")) == NULL) {
|
||||
sr_err("Unable to open bitstream file %s for reading: %s",
|
||||
sr_err("Unable to open bitstream file %s for reading: %s.",
|
||||
filename, strerror(errno));
|
||||
return SR_ERR;
|
||||
}
|
||||
|
@ -364,22 +368,22 @@ static int upload_fpga_bitstream(const struct sr_dev_inst *sdi,
|
|||
break;
|
||||
|
||||
for (offset = 0; offset < chunksize; offset += 62) {
|
||||
uint8_t command[64];
|
||||
uint8_t len = (offset + 62 > chunksize?
|
||||
chunksize - offset : 62);
|
||||
len = (offset + 62 > chunksize ?
|
||||
chunksize - offset : 62);
|
||||
command[0] = COMMAND_FPGA_UPLOAD_SEND_DATA;
|
||||
command[1] = len;
|
||||
memcpy(command+2, buf+offset, len);
|
||||
if ((ret = do_ep1_command(sdi, command, len+2, NULL, 0)) != SR_OK) {
|
||||
memcpy(command + 2, buf + offset, len);
|
||||
ret = do_ep1_command(sdi, command, len + 2, NULL, 0);
|
||||
if (ret != SR_OK) {
|
||||
fclose(fw);
|
||||
return ret;
|
||||
}
|
||||
}
|
||||
|
||||
sr_info("Uploaded %d bytes", chunksize);
|
||||
sr_info("Uploaded %d bytes.", chunksize);
|
||||
}
|
||||
fclose(fw);
|
||||
sr_info("FPGA bitstream upload done");
|
||||
sr_info("FPGA bitstream upload done.");
|
||||
|
||||
if ((ret = prime_fpga(sdi)) != SR_OK)
|
||||
return ret;
|
||||
|
@ -406,16 +410,15 @@ static int abort_acquisition_sync(const struct sr_dev_inst *sdi)
|
|||
expected_reply = ~command[1];
|
||||
if (reply != expected_reply) {
|
||||
sr_err("Invalid response for abort acquisition command: "
|
||||
"0x%02x != 0x%02x", reply, expected_reply);
|
||||
"0x%02x != 0x%02x.", reply, expected_reply);
|
||||
return SR_ERR;
|
||||
}
|
||||
|
||||
return SR_OK;
|
||||
}
|
||||
|
||||
SR_PRIV int saleae_logic16_setup_acquisition(const struct sr_dev_inst *sdi,
|
||||
uint64_t samplerate,
|
||||
uint16_t channels)
|
||||
SR_PRIV int logic16_setup_acquisition(const struct sr_dev_inst *sdi,
|
||||
uint64_t samplerate, uint16_t channels)
|
||||
{
|
||||
uint8_t clock_select, reg1, reg10;
|
||||
uint64_t div;
|
||||
|
@ -440,8 +443,8 @@ SR_PRIV int saleae_logic16_setup_acquisition(const struct sr_dev_inst *sdi,
|
|||
return SR_ERR;
|
||||
}
|
||||
|
||||
for (i=0; i<16; i++)
|
||||
if (channels & (1U<<i))
|
||||
for (i = 0; i < 16; i++)
|
||||
if (channels & (1U << i))
|
||||
nchan++;
|
||||
|
||||
if ((nchan >= 13 && samplerate > MAX_13CH_SAMPLE_RATE) ||
|
||||
|
@ -454,14 +457,15 @@ SR_PRIV int saleae_logic16_setup_acquisition(const struct sr_dev_inst *sdi,
|
|||
return SR_ERR;
|
||||
}
|
||||
|
||||
if ((ret = upload_fpga_bitstream(sdi, devc->selected_voltage_range)) != SR_OK)
|
||||
ret = upload_fpga_bitstream(sdi, devc->selected_voltage_range);
|
||||
if (ret != SR_OK)
|
||||
return ret;
|
||||
|
||||
if ((ret = read_fpga_register(sdi, 1, ®1)) != SR_OK)
|
||||
return ret;
|
||||
|
||||
if (reg1 != 0x08) {
|
||||
sr_dbg("Invalid state at acquisition setup: 0x%02x != 0x08", reg1);
|
||||
sr_dbg("Invalid state at acquisition setup: 0x%02x != 0x08.", reg1);
|
||||
return SR_ERR;
|
||||
}
|
||||
|
||||
|
@ -471,7 +475,7 @@ SR_PRIV int saleae_logic16_setup_acquisition(const struct sr_dev_inst *sdi,
|
|||
if ((ret = write_fpga_register(sdi, 10, clock_select)) != SR_OK)
|
||||
return ret;
|
||||
|
||||
if ((ret = write_fpga_register(sdi, 4, (uint8_t)(div-1))) != SR_OK)
|
||||
if ((ret = write_fpga_register(sdi, 4, (uint8_t)(div - 1))) != SR_OK)
|
||||
return ret;
|
||||
|
||||
if ((ret = write_fpga_register(sdi, 2, (uint8_t)(channels & 0xff))) != SR_OK)
|
||||
|
@ -490,7 +494,7 @@ SR_PRIV int saleae_logic16_setup_acquisition(const struct sr_dev_inst *sdi,
|
|||
return ret;
|
||||
|
||||
if (reg1 != 0x48) {
|
||||
sr_dbg("Invalid state at acquisition setup: 0x%02x != 0x48", reg1);
|
||||
sr_dbg("Invalid state at acquisition setup: 0x%02x != 0x48.", reg1);
|
||||
return SR_ERR;
|
||||
}
|
||||
|
||||
|
@ -498,15 +502,15 @@ SR_PRIV int saleae_logic16_setup_acquisition(const struct sr_dev_inst *sdi,
|
|||
return ret;
|
||||
|
||||
if (reg10 != clock_select) {
|
||||
sr_dbg("Invalid state at acquisition setup: 0x%02x != 0x%02x",
|
||||
reg10, (unsigned)clock_select);
|
||||
sr_dbg("Invalid state at acquisition setup: 0x%02x != 0x%02x.",
|
||||
reg10, clock_select);
|
||||
return SR_ERR;
|
||||
}
|
||||
|
||||
return SR_OK;
|
||||
}
|
||||
|
||||
SR_PRIV int saleae_logic16_start_acquisition(const struct sr_dev_inst *sdi)
|
||||
SR_PRIV int logic16_start_acquisition(const struct sr_dev_inst *sdi)
|
||||
{
|
||||
static const uint8_t command[1] = {
|
||||
COMMAND_START_ACQUISITION,
|
||||
|
@ -519,7 +523,7 @@ SR_PRIV int saleae_logic16_start_acquisition(const struct sr_dev_inst *sdi)
|
|||
return write_fpga_register(sdi, 1, 0x41);
|
||||
}
|
||||
|
||||
SR_PRIV int saleae_logic16_abort_acquisition(const struct sr_dev_inst *sdi)
|
||||
SR_PRIV int logic16_abort_acquisition(const struct sr_dev_inst *sdi)
|
||||
{
|
||||
static const uint8_t command[1] = {
|
||||
COMMAND_ABORT_ACQUISITION_ASYNC,
|
||||
|
@ -537,7 +541,7 @@ SR_PRIV int saleae_logic16_abort_acquisition(const struct sr_dev_inst *sdi)
|
|||
return ret;
|
||||
|
||||
if (reg1 != 0x08) {
|
||||
sr_dbg("Invalid state at acquisition stop: 0x%02x != 0x08", reg1);
|
||||
sr_dbg("Invalid state at acquisition stop: 0x%02x != 0x08.", reg1);
|
||||
return SR_ERR;
|
||||
}
|
||||
|
||||
|
@ -550,7 +554,7 @@ SR_PRIV int saleae_logic16_abort_acquisition(const struct sr_dev_inst *sdi)
|
|||
return SR_OK;
|
||||
}
|
||||
|
||||
SR_PRIV int saleae_logic16_init_device(const struct sr_dev_inst *sdi)
|
||||
SR_PRIV int logic16_init_device(const struct sr_dev_inst *sdi)
|
||||
{
|
||||
struct dev_context *devc;
|
||||
int ret;
|
||||
|
@ -565,7 +569,8 @@ SR_PRIV int saleae_logic16_init_device(const struct sr_dev_inst *sdi)
|
|||
if ((ret = read_eeprom(sdi, 8, 8, devc->eeprom_data)) != SR_OK)
|
||||
return ret;
|
||||
|
||||
if ((ret = upload_fpga_bitstream(sdi, devc->selected_voltage_range)) != SR_OK)
|
||||
ret = upload_fpga_bitstream(sdi, devc->selected_voltage_range);
|
||||
if (ret != SR_OK)
|
||||
return ret;
|
||||
|
||||
return SR_OK;
|
||||
|
@ -635,35 +640,34 @@ static size_t convert_sample_data(struct dev_context *devc,
|
|||
uint16_t *channel_data;
|
||||
int i, cur_channel;
|
||||
size_t ret = 0;
|
||||
uint16_t sample, channel_mask;
|
||||
|
||||
srccnt /= 2;
|
||||
|
||||
channel_data = devc->channel_data;
|
||||
cur_channel = devc->cur_channel;
|
||||
|
||||
while(srccnt--) {
|
||||
uint16_t sample, channel_mask;
|
||||
|
||||
while (srccnt--) {
|
||||
sample = src[0] | (src[1] << 8);
|
||||
src += 2;
|
||||
|
||||
channel_mask = devc->channel_masks[cur_channel];
|
||||
|
||||
for (i=15; i>=0; --i, sample >>= 1)
|
||||
for (i = 15; i >= 0; --i, sample >>= 1)
|
||||
if (sample & 1)
|
||||
channel_data[i] |= channel_mask;
|
||||
|
||||
if (++cur_channel == devc->num_channels) {
|
||||
cur_channel = 0;
|
||||
if (destcnt < 16*2) {
|
||||
if (destcnt < 16 * 2) {
|
||||
sr_err("Conversion buffer too small!");
|
||||
break;
|
||||
}
|
||||
memcpy(dest, channel_data, 16*2);
|
||||
memset(channel_data, 0, 16*2);
|
||||
dest += 16*2;
|
||||
ret += 16*2;
|
||||
destcnt -= 16*2;
|
||||
memcpy(dest, channel_data, 16 * 2);
|
||||
memset(channel_data, 0, 16 * 2);
|
||||
dest += 16 * 2;
|
||||
ret += 16 * 2;
|
||||
destcnt -= 16 * 2;
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -672,7 +676,7 @@ static size_t convert_sample_data(struct dev_context *devc,
|
|||
return ret;
|
||||
}
|
||||
|
||||
SR_PRIV void saleae_logic16_receive_transfer(struct libusb_transfer *transfer)
|
||||
SR_PRIV void logic16_receive_transfer(struct libusb_transfer *transfer)
|
||||
{
|
||||
gboolean packet_has_error = FALSE;
|
||||
struct sr_datafeed_packet packet;
|
||||
|
@ -708,8 +712,9 @@ SR_PRIV void saleae_logic16_receive_transfer(struct libusb_transfer *transfer)
|
|||
}
|
||||
|
||||
if (transfer->actual_length & 1) {
|
||||
sr_err("Got an odd number of bytes from the device. This should not happen.");
|
||||
/* Bail out right away */
|
||||
sr_err("Got an odd number of bytes from the device. "
|
||||
"This should not happen.");
|
||||
/* Bail out right away. */
|
||||
packet_has_error = TRUE;
|
||||
devc->empty_transfer_count = MAX_EMPTY_TRANSFERS;
|
||||
}
|
||||
|
@ -731,10 +736,9 @@ SR_PRIV void saleae_logic16_receive_transfer(struct libusb_transfer *transfer)
|
|||
devc->empty_transfer_count = 0;
|
||||
}
|
||||
|
||||
converted_length =
|
||||
convert_sample_data(devc,
|
||||
devc->convbuffer, devc->convbuffer_size,
|
||||
transfer->buffer, transfer->actual_length);
|
||||
converted_length = convert_sample_data(devc, devc->convbuffer,
|
||||
devc->convbuffer_size, transfer->buffer,
|
||||
transfer->actual_length);
|
||||
|
||||
if (converted_length > 0) {
|
||||
/* Send the incoming transfer to the session bus. */
|
||||
|
|
|
@ -55,21 +55,19 @@ struct dev_context {
|
|||
/** The currently configured samplerate of the device. */
|
||||
uint64_t cur_samplerate;
|
||||
|
||||
/** Maximum number of samples to capture, if nonzero */
|
||||
/** Maximum number of samples to capture, if nonzero. */
|
||||
uint64_t limit_samples;
|
||||
|
||||
/** The currently configured input voltage of the device */
|
||||
/** The currently configured input voltage of the device. */
|
||||
enum voltage_range cur_voltage_range;
|
||||
|
||||
/** The input voltage selected by the user */
|
||||
/** The input voltage selected by the user. */
|
||||
enum voltage_range selected_voltage_range;
|
||||
|
||||
/** Channels to use */
|
||||
/** Channels to use. */
|
||||
uint16_t cur_channels;
|
||||
|
||||
/*
|
||||
* EEPROM data from address 8
|
||||
*/
|
||||
/* EEPROM data from address 8. */
|
||||
uint8_t eeprom_data[8];
|
||||
|
||||
int64_t num_samples;
|
||||
|
@ -87,12 +85,11 @@ struct dev_context {
|
|||
int *usbfd;
|
||||
};
|
||||
|
||||
SR_PRIV int saleae_logic16_setup_acquisition(const struct sr_dev_inst *sdi,
|
||||
uint64_t samplerate,
|
||||
uint16_t channels);
|
||||
SR_PRIV int saleae_logic16_start_acquisition(const struct sr_dev_inst *sdi);
|
||||
SR_PRIV int saleae_logic16_abort_acquisition(const struct sr_dev_inst *sdi);
|
||||
SR_PRIV int saleae_logic16_init_device(const struct sr_dev_inst *sdi);
|
||||
SR_PRIV void saleae_logic16_receive_transfer(struct libusb_transfer *transfer);
|
||||
SR_PRIV int logic16_setup_acquisition(const struct sr_dev_inst *sdi,
|
||||
uint64_t samplerate, uint16_t channels);
|
||||
SR_PRIV int logic16_start_acquisition(const struct sr_dev_inst *sdi);
|
||||
SR_PRIV int logic16_abort_acquisition(const struct sr_dev_inst *sdi);
|
||||
SR_PRIV int logic16_init_device(const struct sr_dev_inst *sdi);
|
||||
SR_PRIV void logic16_receive_transfer(struct libusb_transfer *transfer);
|
||||
|
||||
#endif
|
||||
|
|
Loading…
Reference in New Issue