X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=hardware%2Flink-mso19%2Fprotocol.c;h=148f0ba18933fd80ec26bd2ee171be379e582097;hb=HEAD;hp=fd9c0130975070b623f2cbb721309d0913a2db63;hpb=50985c2019b2b5a6ce394589d89ee925b4f5e3a9;p=libsigrok.git

diff --git a/hardware/link-mso19/protocol.c b/hardware/link-mso19/protocol.c
deleted file mode 100644
index fd9c0130..00000000
--- a/hardware/link-mso19/protocol.c
+++ /dev/null
@@ -1,473 +0,0 @@
-/*
- * This file is part of the libsigrok project.
- *
- * Copyright (C) 2011 Daniel Ribeiro <drwyrm@gmail.com>
- * Copyright (C) 2012 Renato Caldas <rmsc@fe.up.pt>
- * Copyright (C) 2013 Lior Elazary <lelazary@yahoo.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"
-
-/* serial protocol */
-#define mso_trans(a, v) \
-	(((v) & 0x3f) | (((v) & 0xc0) << 6) | (((a) & 0xf) << 8) | \
-	((~(v) & 0x20) << 1) | ((~(v) & 0x80) << 7))
-
-static const char mso_head[] = { 0x40, 0x4c, 0x44, 0x53, 0x7e };
-static const char mso_foot[] = { 0x7e };
-
-extern SR_PRIV struct sr_dev_driver link_mso19_driver_info;
-static struct sr_dev_driver *di = &link_mso19_driver_info;
-
-SR_PRIV int mso_send_control_message(struct sr_serial_dev_inst *serial,
-				     uint16_t payload[], int n)
-{
-	int i, w, ret, s = n * 2 + sizeof(mso_head) + sizeof(mso_foot);
-	char *p, *buf;
-
-	ret = SR_ERR;
-
-	if (serial->fd < 0)
-		goto ret;
-
-	if (!(buf = g_try_malloc(s))) {
-		sr_err("Failed to malloc message buffer.");
-		ret = SR_ERR_MALLOC;
-		goto ret;
-	}
-
-	p = buf;
-	memcpy(p, mso_head, sizeof(mso_head));
-	p += sizeof(mso_head);
-
-	for (i = 0; i < n; i++) {
-		*(uint16_t *) p = g_htons(payload[i]);
-		p += 2;
-	}
-	memcpy(p, mso_foot, sizeof(mso_foot));
-
-	w = 0;
-	while (w < s) {
-		ret = serial_write(serial, buf + w, s - w);
-		if (ret < 0) {
-			ret = SR_ERR;
-			goto free;
-		}
-		w += ret;
-	}
-	ret = SR_OK;
-free:
-	g_free(buf);
-ret:
-	return ret;
-}
-
-SR_PRIV int mso_configure_trigger(const struct sr_dev_inst *sdi)
-{
-	struct dev_context *devc = sdi->priv;
-	uint16_t threshold_value = mso_calc_raw_from_mv(devc);
-
-	threshold_value = 0x153C;
-	uint8_t trigger_config = 0;
-
-	if (devc->trigger_slope)
-		trigger_config |= 0x04;	//Trigger on falling edge
-
-	switch (devc->trigger_outsrc) {
-	case 1:
-		trigger_config |= 0x00;	//Trigger pulse output
-		break;
-	case 2:
-		trigger_config |= 0x08;	//PWM DAC from the pattern generator buffer
-		break;
-	case 3:
-		trigger_config |= 0x18;	//White noise
-		break;
-	}
-
-	switch (devc->trigger_chan) {
-	case 0:
-		trigger_config |= 0x00;	//DSO level trigger //b00000000
-		break;
-	case 1:
-		trigger_config |= 0x20;	//DSO level trigger & width < trigger_width
-		break;
-	case 2:
-		trigger_config |= 0x40;	//DSO level trigger & width >= trigger_width 
-		break;
-	case 3:
-		trigger_config |= 0x60;	//LA combination trigger
-		break;
-	}
-
-	//Last bit of trigger config reg 4 needs to be 1 for trigger enable,
-	//otherwise the trigger is not enabled
-	if (devc->use_trigger)
-		trigger_config |= 0x80;
-
-	uint16_t ops[18];
-	ops[0] = mso_trans(3, threshold_value & 0xff);
-	//The trigger_config also holds the 2 MSB bits from the threshold value
-	ops[1] = mso_trans(4, trigger_config | ((threshold_value >> 8) & 0x03));
-	ops[2] = mso_trans(5, devc->la_trigger);
-	ops[3] = mso_trans(6, devc->la_trigger_mask);
-	ops[4] = mso_trans(7, devc->trigger_holdoff[0]);
-	ops[5] = mso_trans(8, devc->trigger_holdoff[1]);
-
-	ops[6] = mso_trans(11,
-			   devc->dso_trigger_width /
-			   SR_HZ_TO_NS(devc->cur_rate));
-
-	/* Select the SPI/I2C trigger config bank */
-	ops[7] = mso_trans(REG_CTL2, (devc->ctlbase2 | BITS_CTL2_BANK(2)));
-	/* Configure the SPI/I2C protocol trigger */
-	ops[8] = mso_trans(REG_PT_WORD(0), devc->protocol_trigger.word[0]);
-	ops[9] = mso_trans(REG_PT_WORD(1), devc->protocol_trigger.word[1]);
-	ops[10] = mso_trans(REG_PT_WORD(2), devc->protocol_trigger.word[2]);
-	ops[11] = mso_trans(REG_PT_WORD(3), devc->protocol_trigger.word[3]);
-	ops[12] = mso_trans(REG_PT_MASK(0), devc->protocol_trigger.mask[0]);
-	ops[13] = mso_trans(REG_PT_MASK(1), devc->protocol_trigger.mask[1]);
-	ops[14] = mso_trans(REG_PT_MASK(2), devc->protocol_trigger.mask[2]);
-	ops[15] = mso_trans(REG_PT_MASK(3), devc->protocol_trigger.mask[3]);
-	ops[16] = mso_trans(REG_PT_SPIMODE, devc->protocol_trigger.spimode);
-	/* Select the default config bank */
-	ops[17] = mso_trans(REG_CTL2, devc->ctlbase2);
-
-	return mso_send_control_message(devc->serial, ARRAY_AND_SIZE(ops));
-}
-
-SR_PRIV int mso_configure_threshold_level(const struct sr_dev_inst *sdi)
-{
-	struct dev_context *devc = sdi->priv;
-
-	return mso_dac_out(sdi, la_threshold_map[devc->la_threshold]);
-}
-
-SR_PRIV int mso_read_buffer(struct sr_dev_inst *sdi)
-{
-	uint16_t ops[] = { mso_trans(REG_BUFFER, 0) };
-	struct dev_context *devc = sdi->priv;
-
-	sr_dbg("Requesting buffer dump.");
-	return mso_send_control_message(devc->serial, ARRAY_AND_SIZE(ops));
-}
-
-SR_PRIV int mso_arm(const struct sr_dev_inst *sdi)
-{
-	struct dev_context *devc = sdi->priv;
-	uint16_t ops[] = {
-		mso_trans(REG_CTL1, devc->ctlbase1 | BIT_CTL1_RESETFSM),
-		mso_trans(REG_CTL1, devc->ctlbase1 | BIT_CTL1_ARM),
-		mso_trans(REG_CTL1, devc->ctlbase1),
-	};
-
-	sr_dbg("Requesting trigger arm.");
-	return mso_send_control_message(devc->serial, ARRAY_AND_SIZE(ops));
-}
-
-SR_PRIV int mso_force_capture(struct sr_dev_inst *sdi)
-{
-	struct dev_context *devc = sdi->priv;
-	uint16_t ops[] = {
-		mso_trans(REG_CTL1, devc->ctlbase1 | 8),
-		mso_trans(REG_CTL1, devc->ctlbase1),
-	};
-
-	sr_dbg("Requesting forced capture.");
-	return mso_send_control_message(devc->serial, ARRAY_AND_SIZE(ops));
-}
-
-SR_PRIV int mso_dac_out(const struct sr_dev_inst *sdi, uint16_t val)
-{
-	struct dev_context *devc = sdi->priv;
-	uint16_t ops[] = {
-		mso_trans(REG_DAC1, (val >> 8) & 0xff),
-		mso_trans(REG_DAC2, val & 0xff),
-		mso_trans(REG_CTL1, devc->ctlbase1 | BIT_CTL1_RESETADC),
-	};
-
-	sr_dbg("Setting dac word to 0x%x.", val);
-	return mso_send_control_message(devc->serial, ARRAY_AND_SIZE(ops));
-}
-
-SR_PRIV inline uint16_t mso_calc_raw_from_mv(struct dev_context * devc)
-{
-	return (uint16_t) (0x200 -
-			   ((devc->dso_trigger_voltage / devc->dso_probe_attn) /
-			    devc->vbit));
-}
-
-SR_PRIV int mso_parse_serial(const char *iSerial, const char *iProduct,
-			     struct dev_context *devc)
-{
-	unsigned int u1, u2, u3, u4, u5, u6;
-
-	iProduct = iProduct;
-	/* FIXME: This code is in the original app, but I think its
-	 * used only for the GUI */
-	/*    if (strstr(iProduct, "REV_02") || strstr(iProduct, "REV_03"))
-	   devc->num_sample_rates = 0x16;
-	   else
-	   devc->num_sample_rates = 0x10; */
-
-	/* parse iSerial */
-	if (iSerial[0] != '4' || sscanf(iSerial, "%5u%3u%3u%1u%1u%6u",
-					&u1, &u2, &u3, &u4, &u5, &u6) != 6)
-		return SR_ERR;
-	devc->hwmodel = u4;
-	devc->hwrev = u5;
-	devc->vbit = u1 / 10000;
-	if (devc->vbit == 0)
-		devc->vbit = 4.19195;
-	devc->dac_offset = u2;
-	if (devc->dac_offset == 0)
-		devc->dac_offset = 0x1ff;
-	devc->offset_range = u3;
-	if (devc->offset_range == 0)
-		devc->offset_range = 0x17d;
-
-	/*
-	 * FIXME: There is more code on the original software to handle
-	 * bigger iSerial strings, but as I can't test on my device
-	 * I will not implement it yet
-	 */
-
-	return SR_OK;
-}
-
-SR_PRIV int mso_reset_adc(struct sr_dev_inst *sdi)
-{
-	struct dev_context *devc = sdi->priv;
-	uint16_t ops[2];
-
-	ops[0] = mso_trans(REG_CTL1, (devc->ctlbase1 | BIT_CTL1_RESETADC));
-	ops[1] = mso_trans(REG_CTL1, devc->ctlbase1);
-	devc->ctlbase1 |= BIT_CTL1_ADC_UNKNOWN4;
-
-	sr_dbg("Requesting ADC reset.");
-	return mso_send_control_message(devc->serial, ARRAY_AND_SIZE(ops));
-}
-
-SR_PRIV int mso_reset_fsm(struct sr_dev_inst *sdi)
-{
-	struct dev_context *devc = sdi->priv;
-	uint16_t ops[1];
-
-	devc->ctlbase1 |= BIT_CTL1_RESETFSM;
-	ops[0] = mso_trans(REG_CTL1, devc->ctlbase1);
-
-	sr_dbg("Requesting ADC reset.");
-	return mso_send_control_message(devc->serial, ARRAY_AND_SIZE(ops));
-}
-
-SR_PRIV int mso_toggle_led(struct sr_dev_inst *sdi, int state)
-{
-	struct dev_context *devc = sdi->priv;
-	uint16_t ops[1];
-
-	devc->ctlbase1 &= ~BIT_CTL1_LED;
-	if (state)
-		devc->ctlbase1 |= BIT_CTL1_LED;
-	ops[0] = mso_trans(REG_CTL1, devc->ctlbase1);
-
-	sr_dbg("Requesting LED toggle.");
-	return mso_send_control_message(devc->serial, ARRAY_AND_SIZE(ops));
-}
-
-SR_PRIV void stop_acquisition(const struct sr_dev_inst *sdi)
-{
-	struct sr_datafeed_packet packet;
-	struct dev_context *devc;
-
-	devc = sdi->priv;
-	sr_source_remove(devc->serial->fd);
-
-	/* Terminate session */
-	packet.type = SR_DF_END;
-	sr_session_send(sdi, &packet);
-}
-
-SR_PRIV int mso_clkrate_out(struct sr_serial_dev_inst *serial, uint16_t val)
-{
-	uint16_t ops[] = {
-		mso_trans(REG_CLKRATE1, (val >> 8) & 0xff),
-		mso_trans(REG_CLKRATE2, val & 0xff),
-	};
-
-	sr_dbg("Setting clkrate word to 0x%x.", val);
-	return mso_send_control_message(serial, ARRAY_AND_SIZE(ops));
-}
-
-SR_PRIV int mso_configure_rate(const struct sr_dev_inst *sdi, uint32_t rate)
-{
-	struct dev_context *devc = sdi->priv;
-	unsigned int i;
-	int ret = SR_ERR;
-
-	for (i = 0; i < ARRAY_SIZE(rate_map); i++) {
-		if (rate_map[i].rate == rate) {
-			devc->ctlbase2 = rate_map[i].slowmode;
-			ret = mso_clkrate_out(devc->serial, rate_map[i].val);
-			if (ret == SR_OK)
-				devc->cur_rate = rate;
-			return ret;
-		}
-	}
-
-	if (ret != SR_OK)
-		sr_err("Unsupported rate.");
-
-	return ret;
-}
-
-SR_PRIV int mso_check_trigger(struct sr_serial_dev_inst *serial, uint8_t *info)
-{
-	uint16_t ops[] = { mso_trans(REG_TRIGGER, 0) };
-	int ret;
-
-	sr_dbg("Requesting trigger state.");
-	ret = mso_send_control_message(serial, ARRAY_AND_SIZE(ops));
-	if (info == NULL || ret != SR_OK)
-		return ret;
-
-	uint8_t buf = 0;
-	if (serial_read(serial, &buf, 1) != 1)	/* FIXME: Need timeout */
-		ret = SR_ERR;
-	if (!info)
-		*info = buf;
-
-	sr_dbg("Trigger state is: 0x%x.", *info);
-	return ret;
-}
-
-SR_PRIV int mso_receive_data(int fd, int revents, void *cb_data)
-{
-	struct sr_datafeed_packet packet;
-	struct sr_datafeed_logic logic;
-	struct sr_dev_inst *sdi;
-	GSList *l;
-	int i;
-
-	struct drv_context *drvc = di->priv;
-
-	/* Find this device's devc struct by its fd. */
-	struct dev_context *devc = NULL;
-	for (l = drvc->instances; l; l = l->next) {
-		sdi = l->data;
-		devc = sdi->priv;
-		if (devc->serial->fd == fd)
-			break;
-		devc = NULL;
-	}
-	if (!devc)
-		/* Shouldn't happen. */
-		return TRUE;
-
-	(void)revents;
-
-	uint8_t in[1024];
-	size_t s = serial_read(devc->serial, in, sizeof(in));
-
-	if (s <= 0)
-		return FALSE;
-
-	/* Check if we triggered, then send a command that we are ready
-	 * to read the data */
-	if (devc->trigger_state != MSO_TRIGGER_DATAREADY) {
-		devc->trigger_state = in[0];
-		if (devc->trigger_state == MSO_TRIGGER_DATAREADY) {
-			mso_read_buffer(sdi);
-			devc->buffer_n = 0;
-		} else {
-			mso_check_trigger(devc->serial, NULL);
-		}
-		return TRUE;
-	}
-
-	/* the hardware always dumps 1024 samples, 24bits each */
-	if (devc->buffer_n < 3072) {
-		memcpy(devc->buffer + devc->buffer_n, in, s);
-		devc->buffer_n += s;
-	}
-	if (devc->buffer_n < 3072)
-		return TRUE;
-
-	/* do the conversion */
-	uint8_t logic_out[1024];
-	double analog_out[1024];
-	for (i = 0; i < 1024; i++) {
-		/* FIXME: Need to do conversion to mV */
-		analog_out[i] = (devc->buffer[i * 3] & 0x3f) |
-		    ((devc->buffer[i * 3 + 1] & 0xf) << 6);
-		(void)analog_out;
-		logic_out[i] = ((devc->buffer[i * 3 + 1] & 0x30) >> 4) |
-		    ((devc->buffer[i * 3 + 2] & 0x3f) << 2);
-	}
-
-	packet.type = SR_DF_LOGIC;
-	packet.payload = &logic;
-	logic.length = 1024;
-	logic.unitsize = 1;
-	logic.data = logic_out;
-	sr_session_send(cb_data, &packet);
-
-	devc->num_samples += 1024;
-
-	if (devc->limit_samples && devc->num_samples >= devc->limit_samples) {
-		sr_info("Requested number of samples reached.");
-		sdi->driver->dev_acquisition_stop(sdi, cb_data);
-	}
-
-	return TRUE;
-}
-
-SR_PRIV int mso_configure_probes(const struct sr_dev_inst *sdi)
-{
-	struct dev_context *devc;
-	struct sr_probe *probe;
-	GSList *l;
-	char *tc;
-
-	devc = sdi->priv;
-
-	devc->la_trigger_mask = 0xFF;	//the mask for the LA_TRIGGER (bits set to 0 matter, those set to 1 are ignored).
-	devc->la_trigger = 0x00;	//The value of the LA byte that generates a trigger event (in that mode).
-	devc->dso_trigger_voltage = 3;
-	devc->dso_probe_attn = 1;
-	devc->trigger_outsrc = 0;
-	devc->trigger_chan = 3;	//LA combination trigger
-	devc->use_trigger = FALSE;
-
-	for (l = sdi->probes; l; l = l->next) {
-		probe = (struct sr_probe *)l->data;
-		if (probe->enabled == FALSE)
-			continue;
-
-		int probe_bit = 1 << (probe->index);
-		if (!(probe->trigger))
-			continue;
-
-		devc->use_trigger = TRUE;
-		//Configure trigger mask and value.
-		for (tc = probe->trigger; *tc; tc++) {
-			devc->la_trigger_mask &= ~probe_bit;
-			if (*tc == '1')
-				devc->la_trigger |= probe_bit;
-		}
-	}
-
-	return SR_OK;
-}