X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=hardware%2Fopenbench-logic-sniffer%2Fapi.c;h=93fa3bd7e57618209b19655f65aed554df708c29;hb=HEAD;hp=f738dce49479c594bfd21d781fc99ac0d80706ca;hpb=7b0a57fd1c1d1b658864b81df2357849ccc4715c;p=libsigrok.git

diff --git a/hardware/openbench-logic-sniffer/api.c b/hardware/openbench-logic-sniffer/api.c
deleted file mode 100644
index f738dce4..00000000
--- a/hardware/openbench-logic-sniffer/api.c
+++ /dev/null
@@ -1,556 +0,0 @@
-/*
- * This file is part of the libsigrok project.
- *
- * Copyright (C) 2013 Bert Vermeulen <bert@biot.com>
- *
- * 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 <http://www.gnu.org/licenses/>.
- */
-
-#include "protocol.h"
-
-#define SERIALCOMM "115200/8n1"
-
-static const int32_t hwopts[] = {
-	SR_CONF_CONN,
-	SR_CONF_SERIALCOMM,
-};
-
-static const int32_t hwcaps[] = {
-	SR_CONF_LOGIC_ANALYZER,
-	SR_CONF_SAMPLERATE,
-	SR_CONF_TRIGGER_TYPE,
-	SR_CONF_CAPTURE_RATIO,
-	SR_CONF_LIMIT_SAMPLES,
-	SR_CONF_EXTERNAL_CLOCK,
-	SR_CONF_PATTERN_MODE,
-	SR_CONF_SWAP,
-	SR_CONF_RLE,
-};
-
-#define STR_PATTERN_EXTERNAL "external"
-#define STR_PATTERN_INTERNAL "internal"
-
-/* Supported methods of test pattern outputs */
-enum {
-	/**
-	 * Capture pins 31:16 (unbuffered wing) output a test pattern
-	 * that can captured on pins 0:15.
-	 */
-	PATTERN_EXTERNAL,
-
-	/** Route test pattern internally to capture buffer. */
-	PATTERN_INTERNAL,
-};
-
-/* Probes are numbered 0-31 (on the PCB silkscreen). */
-SR_PRIV const char *ols_probe_names[NUM_PROBES + 1] = {
-	"0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12",
-	"13", "14", "15", "16", "17", "18", "19", "20", "21", "22", "23",
-	"24", "25", "26", "27", "28", "29", "30", "31",
-	NULL,
-};
-
-/* Default supported samplerates, can be overridden by device metadata. */
-static const uint64_t samplerates[] = {
-	SR_HZ(10),
-	SR_MHZ(200),
-	SR_HZ(1),
-};
-
-SR_PRIV struct sr_dev_driver ols_driver_info;
-static struct sr_dev_driver *di = &ols_driver_info;
-
-static int dev_clear(void)
-{
-	return std_dev_clear(di, NULL);
-}
-
-static int init(struct sr_context *sr_ctx)
-{
-	return std_init(sr_ctx, di, LOG_PREFIX);
-}
-
-static GSList *scan(GSList *options)
-{
-	struct sr_config *src;
-	struct sr_dev_inst *sdi;
-	struct drv_context *drvc;
-	struct dev_context *devc;
-	struct sr_probe *probe;
-	struct sr_serial_dev_inst *serial;
-	GPollFD probefd;
-	GSList *l, *devices;
-	int ret, i;
-	const char *conn, *serialcomm;
-	char buf[8];
-
-	drvc = di->priv;
-
-	devices = NULL;
-
-	conn = serialcomm = NULL;
-	for (l = options; l; l = l->next) {
-		src = l->data;
-		switch (src->key) {
-		case SR_CONF_CONN:
-			conn = g_variant_get_string(src->data, NULL);
-			break;
-		case SR_CONF_SERIALCOMM:
-			serialcomm = g_variant_get_string(src->data, NULL);
-			break;
-		}
-	}
-	if (!conn)
-		return NULL;
-
-	if (serialcomm == NULL)
-		serialcomm = SERIALCOMM;
-
-	if (!(serial = sr_serial_dev_inst_new(conn, serialcomm)))
-		return NULL;
-
-	/* The discovery procedure is like this: first send the Reset
-	 * command (0x00) 5 times, since the device could be anywhere
-	 * in a 5-byte command. Then send the ID command (0x02).
-	 * If the device responds with 4 bytes ("OLS1" or "SLA1"), we
-	 * have a match.
-	 */
-	sr_info("Probing %s.", conn);
-	if (serial_open(serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK)
-		return NULL;
-
-	ret = SR_OK;
-	for (i = 0; i < 5; i++) {
-		if ((ret = send_shortcommand(serial, CMD_RESET)) != SR_OK) {
-			sr_err("Port %s is not writable.", conn);
-			break;
-		}
-	}
-	if (ret != SR_OK) {
-		serial_close(serial);
-		sr_err("Could not use port %s. Quitting.", conn);
-		return NULL;
-	}
-	send_shortcommand(serial, CMD_ID);
-
-	/* Wait 10ms for a response. */
-	g_usleep(10000);
-
-	probefd.fd = serial->fd;
-	probefd.events = G_IO_IN;
-	g_poll(&probefd, 1, 1);
-
-	if (probefd.revents != G_IO_IN)
-		return NULL;
-	if (serial_read(serial, buf, 4) != 4)
-		return NULL;
-	if (strncmp(buf, "1SLO", 4) && strncmp(buf, "1ALS", 4))
-		return NULL;
-
-	/* Definitely using the OLS protocol, check if it supports
-	 * the metadata command.
-	 */
-	send_shortcommand(serial, CMD_METADATA);
-	if (g_poll(&probefd, 1, 10) > 0) {
-		/* Got metadata. */
-		sdi = get_metadata(serial);
-		sdi->index = 0;
-		devc = sdi->priv;
-	} else {
-		/* Not an OLS -- some other board that uses the sump protocol. */
-		sr_info("Device does not support metadata.");
-		sdi = sr_dev_inst_new(0, SR_ST_INACTIVE,
-				"Sump", "Logic Analyzer", "v1.0");
-		sdi->driver = di;
-		for (i = 0; i < 32; i++) {
-			if (!(probe = sr_probe_new(i, SR_PROBE_LOGIC, TRUE,
-					ols_probe_names[i])))
-				return 0;
-			sdi->probes = g_slist_append(sdi->probes, probe);
-		}
-		devc = ols_dev_new();
-		sdi->priv = devc;
-	}
-	/* Configure samplerate and divider. */
-	if (ols_set_samplerate(sdi, DEFAULT_SAMPLERATE) != SR_OK)
-		sr_dbg("Failed to set default samplerate (%"PRIu64").",
-				DEFAULT_SAMPLERATE);
-	/* Clear trigger masks, values and stages. */
-	ols_configure_probes(sdi);
-	sdi->inst_type = SR_INST_SERIAL;
-	sdi->conn = serial;
-
-	drvc->instances = g_slist_append(drvc->instances, sdi);
-	devices = g_slist_append(devices, sdi);
-
-	serial_close(serial);
-
-	return devices;
-}
-
-static GSList *dev_list(void)
-{
-	return ((struct drv_context *)(di->priv))->instances;
-}
-
-static int dev_open(struct sr_dev_inst *sdi)
-{
-	struct sr_serial_dev_inst *serial;
-
-	serial = sdi->conn;
-	if (serial_open(serial, SERIAL_RDWR) != SR_OK)
-		return SR_ERR;
-
-	sdi->status = SR_ST_ACTIVE;
-
-	return SR_OK;
-}
-
-static int dev_close(struct sr_dev_inst *sdi)
-{
-	struct sr_serial_dev_inst *serial;
-
-	serial = sdi->conn;
-	if (serial && serial->fd != -1) {
-		serial_close(serial);
-		sdi->status = SR_ST_INACTIVE;
-	}
-
-	return SR_OK;
-}
-
-static int cleanup(void)
-{
-	return dev_clear();
-}
-
-static int config_get(int id, GVariant **data, const struct sr_dev_inst *sdi)
-{
-	struct dev_context *devc;
-
-	if (!sdi)
-		return SR_ERR_ARG;
-
-	devc = sdi->priv;
-	switch (id) {
-	case SR_CONF_SAMPLERATE:
-		*data = g_variant_new_uint64(devc->cur_samplerate);
-		break;
-	case SR_CONF_CAPTURE_RATIO:
-		*data = g_variant_new_uint64(devc->capture_ratio);
-		break;
-	case SR_CONF_LIMIT_SAMPLES:
-		*data = g_variant_new_uint64(devc->limit_samples);
-		break;
-	case SR_CONF_PATTERN_MODE:
-		if (devc->flag_reg & FLAG_EXTERNAL_TEST_MODE)
-			*data = g_variant_new_string(STR_PATTERN_EXTERNAL);
-		else if (devc->flag_reg & FLAG_INTERNAL_TEST_MODE)
-			*data = g_variant_new_string(STR_PATTERN_INTERNAL);
-		break;
-	case SR_CONF_RLE:
-		*data = g_variant_new_boolean(devc->flag_reg & FLAG_RLE ? TRUE : FALSE);
-		break;
-	default:
-		return SR_ERR_NA;
-	}
-
-	return SR_OK;
-}
-
-static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi)
-{
-	struct dev_context *devc;
-	int ret;
-	uint64_t tmp_u64;
-	const char *stropt;
-
-	if (sdi->status != SR_ST_ACTIVE)
-		return SR_ERR_DEV_CLOSED;
-
-	devc = sdi->priv;
-
-	switch (id) {
-	case SR_CONF_SAMPLERATE:
-		tmp_u64 = g_variant_get_uint64(data);
-		if (tmp_u64 < samplerates[0] || tmp_u64 > samplerates[1])
-			return SR_ERR_SAMPLERATE;
-		ret = ols_set_samplerate(sdi, g_variant_get_uint64(data));
-		break;
-	case SR_CONF_LIMIT_SAMPLES:
-		tmp_u64 = g_variant_get_uint64(data);
-		if (tmp_u64 < MIN_NUM_SAMPLES)
-			return SR_ERR;
-		devc->limit_samples = tmp_u64;
-		ret = SR_OK;
-		break;
-	case SR_CONF_CAPTURE_RATIO:
-		devc->capture_ratio = g_variant_get_uint64(data);
-		if (devc->capture_ratio < 0 || devc->capture_ratio > 100) {
-			devc->capture_ratio = 0;
-			ret = SR_ERR;
-		} else
-			ret = SR_OK;
-		break;
-	case SR_CONF_EXTERNAL_CLOCK:
-		if (g_variant_get_boolean(data)) {
-			sr_info("Enabling external clock.");
-			devc->flag_reg |= FLAG_CLOCK_EXTERNAL;
-		} else {
-			sr_info("Disabled external clock.");
-			devc->flag_reg &= ~FLAG_CLOCK_EXTERNAL;
-		}
-		ret = SR_OK;
-		break;
-	case SR_CONF_PATTERN_MODE:
-		stropt = g_variant_get_string(data, NULL);
-		ret = SR_OK;
-		if (!strcmp(stropt, STR_PATTERN_INTERNAL)) {
-			sr_info("Enabling internal test mode.");
-			devc->flag_reg |= FLAG_INTERNAL_TEST_MODE;
-		} else if (!strcmp(stropt, STR_PATTERN_EXTERNAL)) {
-			sr_info("Enabling external test mode.");
-			devc->flag_reg |= FLAG_EXTERNAL_TEST_MODE;
-		} else {
-			ret = SR_ERR;
-		}
-		break;
-	case SR_CONF_SWAP:
-		if (g_variant_get_boolean(data)) {
-			sr_info("Enabling channel swapping.");
-			devc->flag_reg |= FLAG_SWAP_PROBES;
-		} else {
-			sr_info("Disabling channel swapping.");
-			devc->flag_reg &= ~FLAG_SWAP_PROBES;
-		}
-		ret = SR_OK;
-		break;
-
-	case SR_CONF_RLE:
-		if (g_variant_get_boolean(data)) {
-			sr_info("Enabling RLE.");
-			devc->flag_reg |= FLAG_RLE;
-		} else {
-			sr_info("Disabling RLE.");
-			devc->flag_reg &= ~FLAG_RLE;
-		}
-		ret = SR_OK;
-		break;
-	default:
-		ret = SR_ERR_NA;
-	}
-
-	return ret;
-}
-
-static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi)
-{
-	GVariant *gvar;
-	GVariantBuilder gvb;
-
-	(void)sdi;
-
-	switch (key) {
-	case SR_CONF_SCAN_OPTIONS:
-		*data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
-				hwopts, ARRAY_SIZE(hwopts), sizeof(int32_t));
-		break;
-	case SR_CONF_DEVICE_OPTIONS:
-		*data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
-				hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t));
-		break;
-	case SR_CONF_SAMPLERATE:
-		g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}"));
-		gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"), samplerates,
-				ARRAY_SIZE(samplerates), sizeof(uint64_t));
-		g_variant_builder_add(&gvb, "{sv}", "samplerate-steps", gvar);
-		*data = g_variant_builder_end(&gvb);
-		break;
-	case SR_CONF_TRIGGER_TYPE:
-		*data = g_variant_new_string(TRIGGER_TYPE);
-		break;
-	default:
-		return SR_ERR_NA;
-	}
-
-	return SR_OK;
-}
-
-static int dev_acquisition_start(const struct sr_dev_inst *sdi,
-		void *cb_data)
-{
-	struct dev_context *devc;
-	struct sr_serial_dev_inst *serial;
-	uint32_t trigger_config[4];
-	uint32_t data;
-	uint16_t readcount, delaycount;
-	uint8_t changrp_mask;
-	int num_channels;
-	int i;
-
-	if (sdi->status != SR_ST_ACTIVE)
-		return SR_ERR_DEV_CLOSED;
-
-	devc = sdi->priv;
-	serial = sdi->conn;
-
-	if (ols_configure_probes(sdi) != SR_OK) {
-		sr_err("Failed to configure probes.");
-		return SR_ERR;
-	}
-
-	/*
-	 * Enable/disable channel groups in the flag register according to the
-	 * probe mask. Calculate this here, because num_channels is needed
-	 * to limit readcount.
-	 */
-	changrp_mask = 0;
-	num_channels = 0;
-	for (i = 0; i < 4; i++) {
-		if (devc->probe_mask & (0xff << (i * 8))) {
-			changrp_mask |= (1 << i);
-			num_channels++;
-		}
-	}
-
-	/*
-	 * Limit readcount to prevent reading past the end of the hardware
-	 * buffer.
-	 */
-	readcount = MIN(devc->max_samples / num_channels, devc->limit_samples) / 4;
-
-	memset(trigger_config, 0, 16);
-	trigger_config[devc->num_stages] |= 0x08;
-	if (devc->trigger_mask[0]) {
-		delaycount = readcount * (1 - devc->capture_ratio / 100.0);
-		devc->trigger_at = (readcount - delaycount) * 4 - devc->num_stages;
-
-		if (send_longcommand(serial, CMD_SET_TRIGGER_MASK_0,
-			reverse32(devc->trigger_mask[0])) != SR_OK)
-			return SR_ERR;
-		if (send_longcommand(serial, CMD_SET_TRIGGER_VALUE_0,
-			reverse32(devc->trigger_value[0])) != SR_OK)
-			return SR_ERR;
-		if (send_longcommand(serial, CMD_SET_TRIGGER_CONFIG_0,
-			trigger_config[0]) != SR_OK)
-			return SR_ERR;
-
-		if (send_longcommand(serial, CMD_SET_TRIGGER_MASK_1,
-			reverse32(devc->trigger_mask[1])) != SR_OK)
-			return SR_ERR;
-		if (send_longcommand(serial, CMD_SET_TRIGGER_VALUE_1,
-			reverse32(devc->trigger_value[1])) != SR_OK)
-			return SR_ERR;
-		if (send_longcommand(serial, CMD_SET_TRIGGER_CONFIG_1,
-			trigger_config[1]) != SR_OK)
-			return SR_ERR;
-
-		if (send_longcommand(serial, CMD_SET_TRIGGER_MASK_2,
-			reverse32(devc->trigger_mask[2])) != SR_OK)
-			return SR_ERR;
-		if (send_longcommand(serial, CMD_SET_TRIGGER_VALUE_2,
-			reverse32(devc->trigger_value[2])) != SR_OK)
-			return SR_ERR;
-		if (send_longcommand(serial, CMD_SET_TRIGGER_CONFIG_2,
-			trigger_config[2]) != SR_OK)
-			return SR_ERR;
-
-		if (send_longcommand(serial, CMD_SET_TRIGGER_MASK_3,
-			reverse32(devc->trigger_mask[3])) != SR_OK)
-			return SR_ERR;
-		if (send_longcommand(serial, CMD_SET_TRIGGER_VALUE_3,
-			reverse32(devc->trigger_value[3])) != SR_OK)
-			return SR_ERR;
-		if (send_longcommand(serial, CMD_SET_TRIGGER_CONFIG_3,
-			trigger_config[3]) != SR_OK)
-			return SR_ERR;
-	} else {
-		if (send_longcommand(serial, CMD_SET_TRIGGER_MASK_0,
-				devc->trigger_mask[0]) != SR_OK)
-			return SR_ERR;
-		if (send_longcommand(serial, CMD_SET_TRIGGER_VALUE_0,
-				devc->trigger_value[0]) != SR_OK)
-			return SR_ERR;
-		if (send_longcommand(serial, CMD_SET_TRIGGER_CONFIG_0,
-		     0x00000008) != SR_OK)
-			return SR_ERR;
-		delaycount = readcount;
-	}
-
-	sr_info("Setting samplerate to %" PRIu64 "Hz (divider %u, "
-		"demux %s, noise_filter %s)", devc->cur_samplerate,
-		devc->cur_samplerate_divider,
-		devc->flag_reg & FLAG_DEMUX ? "on" : "off",
-		devc->flag_reg & FLAG_FILTER ? "on": "off");
-	if (send_longcommand(serial, CMD_SET_DIVIDER,
-			reverse32(devc->cur_samplerate_divider)) != SR_OK)
-		return SR_ERR;
-
-	/* Send sample limit and pre/post-trigger capture ratio. */
-	data = ((readcount - 1) & 0xffff) << 16;
-	data |= (delaycount - 1) & 0xffff;
-	if (send_longcommand(serial, CMD_CAPTURE_SIZE, reverse16(data)) != SR_OK)
-		return SR_ERR;
-
-	/* The flag register wants them here, and 1 means "disable channel". */
-	devc->flag_reg |= ~(changrp_mask << 2) & 0x3c;
-	devc->flag_reg |= FLAG_FILTER;
-	devc->rle_count = 0;
-	data = (devc->flag_reg << 24) | ((devc->flag_reg << 8) & 0xff0000);
-	if (send_longcommand(serial, CMD_SET_FLAGS, data) != SR_OK)
-		return SR_ERR;
-
-	/* Start acquisition on the device. */
-	if (send_shortcommand(serial, CMD_RUN) != SR_OK)
-		return SR_ERR;
-
-	/* Reset all operational states. */
-	devc->num_transfers = devc->num_samples = devc->num_bytes = 0;
-	memset(devc->sample, 0, 4);
-
-	/* Send header packet to the session bus. */
-	std_session_send_df_header(cb_data, LOG_PREFIX);
-
-	sr_source_add(serial->fd, G_IO_IN, -1, ols_receive_data, cb_data);
-
-	return SR_OK;
-}
-
-static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
-{
-	(void)cb_data;
-
-	abort_acquisition(sdi);
-
-	return SR_OK;
-}
-
-SR_PRIV struct sr_dev_driver ols_driver_info = {
-	.name = "ols",
-	.longname = "Openbench Logic Sniffer",
-	.api_version = 1,
-	.init = init,
-	.cleanup = cleanup,
-	.scan = scan,
-	.dev_list = dev_list,
-	.dev_clear = dev_clear,
-	.config_get = config_get,
-	.config_set = config_set,
-	.config_list = config_list,
-	.dev_open = dev_open,
-	.dev_close = dev_close,
-	.dev_acquisition_start = dev_acquisition_start,
-	.dev_acquisition_stop = dev_acquisition_stop,
-	.priv = NULL,
-};