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pce-322a: Initial driver implementation.

This commit is contained in:
George Hopkins 2016-04-30 22:34:15 +02:00 committed by Uwe Hermann
parent 634d72997a
commit 5a2c71ccd7
5 changed files with 718 additions and 0 deletions
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6
Makefile.am
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@ -407,6 +407,12 @@ libsigrok_la_SOURCES += \
src/hardware/openbench-logic-sniffer/protocol.c \
src/hardware/openbench-logic-sniffer/api.c
endif
if HW_PCE_322A
libsigrok_la_SOURCES += \
src/hardware/pce-322a/protocol.h \
src/hardware/pce-322a/protocol.c \
src/hardware/pce-322a/api.c
endif
if HW_PIPISTRELLO_OLS
libsigrok_la_SOURCES += \
src/hardware/pipistrello-ols/protocol.h \

1
configure.ac
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@ -257,6 +257,7 @@ SR_DRIVER([MIC 985xx], [mic-985xx], [libserialport])
SR_DRIVER([Motech LPS 30x], [motech-lps-30x], [libserialport])
SR_DRIVER([Norma DMM], [norma-dmm], [libserialport])
SR_DRIVER([OpenBench Logic Sniffer], [openbench-logic-sniffer], [libserialport])
SR_DRIVER([PCE PCE-322A], [pce-322a], [libserialport])
SR_DRIVER([Pipistrello-OLS], [pipistrello-ols], [libftdi])
SR_DRIVER([Rigol DS], [rigol-ds])
SR_DRIVER([Saleae Logic16], [saleae-logic16], [libusb])

355
src/hardware/pce-322a/api.c Normal file
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@ -0,0 +1,355 @@
/*
* This file is part of the libsigrok project.
*
* Copyright (C) 2016 George Hopkins <george-hopkins@null.net>
*
* 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 <string.h>
#include <config.h>
#include "protocol.h"
#define SERIALCOMM "115200/8n1"
static const uint32_t scanopts[] = {
SR_CONF_CONN,
};
static const uint32_t drvopts[] = {
SR_CONF_SOUNDLEVELMETER,
};
static const uint32_t devopts[] = {
SR_CONF_CONTINUOUS | SR_CONF_SET,
SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET,
SR_CONF_SPL_WEIGHT_FREQ | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
SR_CONF_SPL_WEIGHT_TIME | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
SR_CONF_SPL_MEASUREMENT_RANGE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
SR_CONF_POWER_OFF | SR_CONF_GET | SR_CONF_SET,
};
static const char *weight_freq[] = {
"A",
"C",
};
static const char *weight_time[] = {
"F",
"S",
};
static const uint64_t meas_ranges[][2] = {
{ 30, 130 },
{ 30, 80 },
{ 50, 100 },
{ 80, 130 },
};
static GSList *scan(struct sr_dev_driver *di, GSList *options)
{
struct drv_context *drvc;
struct dev_context *devc;
struct sr_config *src;
struct sr_serial_dev_inst *serial;
struct sr_dev_inst *sdi;
GSList *l, *devices;
const char *conn;
conn = NULL;
for (l = options; l; l = l->next) {
src = l->data;
if (src->key == SR_CONF_CONN)
conn = g_variant_get_string(src->data, NULL);
}
if (!conn)
return NULL;
serial = sr_serial_dev_inst_new(conn, SERIALCOMM);
if (serial_open(serial, SERIAL_RDONLY) != SR_OK)
return NULL;
devices = NULL;
drvc = di->context;
sdi = g_malloc0(sizeof(struct sr_dev_inst));
sdi->status = SR_ST_INACTIVE;
sdi->vendor = g_strdup("PCE");
sdi->model = g_strdup("PCE-322A");
devc = g_malloc0(sizeof(struct dev_context));
devc->cur_mqflags = SR_MQFLAG_SPL_TIME_WEIGHT_F | SR_MQFLAG_SPL_FREQ_WEIGHT_A;
sdi->conn = sr_serial_dev_inst_new(conn, SERIALCOMM);
sdi->inst_type = SR_INST_SERIAL;
sdi->priv = devc;
sdi->driver = di;
sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "SPL");
drvc->instances = g_slist_append(drvc->instances, sdi);
devices = g_slist_append(devices, sdi);
serial_close(serial);
return devices;
}
static int dev_clear(const struct sr_dev_driver *di)
{
return std_dev_clear(di, NULL);
}
static int config_get(uint32_t key, GVariant **data,
const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
{
struct dev_context *devc;
GVariant *range[2];
uint64_t low, high;
uint64_t tmp;
int ret;
(void)cg;
if (!sdi)
return SR_ERR_ARG;
devc = sdi->priv;
ret = SR_OK;
switch (key) {
case SR_CONF_LIMIT_SAMPLES:
*data = g_variant_new_uint64(devc->limit_samples);
break;
case SR_CONF_SPL_WEIGHT_FREQ:
tmp = pce_322a_weight_freq_get(sdi);
if (tmp == SR_MQFLAG_SPL_FREQ_WEIGHT_A)
*data = g_variant_new_string("A");
else if (tmp == SR_MQFLAG_SPL_FREQ_WEIGHT_C)
*data = g_variant_new_string("C");
else
return SR_ERR;
break;
case SR_CONF_SPL_WEIGHT_TIME:
tmp = pce_322a_weight_time_get(sdi);
if (tmp == SR_MQFLAG_SPL_TIME_WEIGHT_F)
*data = g_variant_new_string("F");
else if (tmp == SR_MQFLAG_SPL_TIME_WEIGHT_S)
*data = g_variant_new_string("S");
else
return SR_ERR;
break;
case SR_CONF_SPL_MEASUREMENT_RANGE:
if ((ret = pce_322a_meas_range_get(sdi, &low, &high)) == SR_OK) {
range[0] = g_variant_new_uint64(low);
range[1] = g_variant_new_uint64(high);
*data = g_variant_new_tuple(range, 2);
}
break;
case SR_CONF_POWER_OFF:
*data = g_variant_new_boolean(FALSE);
break;
default:
return SR_ERR_NA;
}
return ret;
}
static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
const struct sr_channel_group *cg)
{
struct dev_context *devc;
uint64_t tmp_u64, low, high;
unsigned int i;
int ret;
const char *tmp_str;
(void)cg;
if (sdi->status != SR_ST_ACTIVE)
return SR_ERR_DEV_CLOSED;
devc = sdi->priv;
ret = SR_OK;
switch (key) {
case SR_CONF_LIMIT_SAMPLES:
tmp_u64 = g_variant_get_uint64(data);
devc->limit_samples = tmp_u64;
ret = SR_OK;
break;
case SR_CONF_SPL_WEIGHT_FREQ:
tmp_str = g_variant_get_string(data, NULL);
if (!strcmp(tmp_str, "A"))
ret = pce_322a_weight_freq_set(sdi,
SR_MQFLAG_SPL_FREQ_WEIGHT_A);
else if (!strcmp(tmp_str, "C"))
ret = pce_322a_weight_freq_set(sdi,
SR_MQFLAG_SPL_FREQ_WEIGHT_C);
else
return SR_ERR_ARG;
break;
case SR_CONF_SPL_WEIGHT_TIME:
tmp_str = g_variant_get_string(data, NULL);
if (!strcmp(tmp_str, "F"))
ret = pce_322a_weight_time_set(sdi,
SR_MQFLAG_SPL_TIME_WEIGHT_F);
else if (!strcmp(tmp_str, "S"))
ret = pce_322a_weight_time_set(sdi,
SR_MQFLAG_SPL_TIME_WEIGHT_S);
else
return SR_ERR_ARG;
break;
case SR_CONF_SPL_MEASUREMENT_RANGE:
g_variant_get(data, "(tt)", &low, &high);
ret = SR_ERR_ARG;
for (i = 0; i < ARRAY_SIZE(meas_ranges); i++) {
if (meas_ranges[i][0] == low && meas_ranges[i][1] == high) {
ret = pce_322a_meas_range_set(sdi, low, high);
break;
}
}
break;
case SR_CONF_POWER_OFF:
if (g_variant_get_boolean(data))
ret = pce_322a_power_off(sdi);
break;
default:
ret = SR_ERR_NA;
}
return ret;
}
static int config_list(uint32_t key, GVariant **data,
const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
{
GVariant *tuple, *range[2];
GVariantBuilder gvb;
unsigned int i;
int ret;
(void)cg;
ret = SR_OK;
if (!sdi) {
switch (key) {
case SR_CONF_SCAN_OPTIONS:
*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
break;
case SR_CONF_DEVICE_OPTIONS:
*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t));
break;
default:
return SR_ERR_NA;
}
} else {
switch (key) {
case SR_CONF_DEVICE_OPTIONS:
*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
break;
case SR_CONF_SPL_WEIGHT_FREQ:
*data = g_variant_new_strv(weight_freq, ARRAY_SIZE(weight_freq));
break;
case SR_CONF_SPL_WEIGHT_TIME:
*data = g_variant_new_strv(weight_time, ARRAY_SIZE(weight_time));
break;
case SR_CONF_SPL_MEASUREMENT_RANGE:
g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
for (i = 0; i < ARRAY_SIZE(meas_ranges); i++) {
range[0] = g_variant_new_uint64(meas_ranges[i][0]);
range[1] = g_variant_new_uint64(meas_ranges[i][1]);
tuple = g_variant_new_tuple(range, 2);
g_variant_builder_add_value(&gvb, tuple);
}
*data = g_variant_builder_end(&gvb);
break;
default:
return SR_ERR_NA;
}
}
return ret;
}
static int dev_open(struct sr_dev_inst *sdi)
{
int ret;
ret = std_serial_dev_open(sdi);
if (ret != SR_OK)
return ret;
return pce_322a_connect(sdi);
}
static int dev_close(struct sr_dev_inst *sdi)
{
/*
* Ensure device gets properly disconnected even when there was
* no acquisition.
*/
pce_322a_disconnect(sdi);
return std_serial_dev_close(sdi);
}
static int dev_acquisition_start(const struct sr_dev_inst *sdi)
{
struct dev_context *devc;
struct sr_serial_dev_inst *serial;
if (sdi->status != SR_ST_ACTIVE)
return SR_ERR_DEV_CLOSED;
devc = sdi->priv;
devc->buffer_len = 0;
std_session_send_df_header(sdi, LOG_PREFIX);
/* Poll every 150ms, or whenever some data comes in. */
serial = sdi->conn;
serial_source_add(sdi->session, serial, G_IO_IN, 150,
pce_322a_receive_data, (void *)sdi);
return SR_OK;
}
static int dev_acquisition_stop(struct sr_dev_inst *sdi)
{
pce_322a_disconnect(sdi);
return std_serial_dev_acquisition_stop(sdi, std_serial_dev_close,
sdi->conn, LOG_PREFIX);
}
static struct sr_dev_driver pce_322a_driver_info = {
.name = "pce-322a",
.longname = "PCE PCE-322A",
.api_version = 1,
.init = std_init,
.cleanup = std_cleanup,
.scan = scan,
.dev_list = std_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,
.context = NULL,
};
SR_REGISTER_DEV_DRIVER(pce_322a_driver_info);

270
src/hardware/pce-322a/protocol.c Normal file
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@ -0,0 +1,270 @@
/*
* This file is part of the libsigrok project.
*
* Copyright (C) 2016 George Hopkins <george-hopkins@null.net>
*
* 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 <config.h>
#include "protocol.h"
static int send_command(const struct sr_dev_inst *sdi, uint16_t command)
{
struct sr_serial_dev_inst *serial;
uint8_t buffer[2];
buffer[0] = command >> 8;
buffer[1] = command;
if (!(serial = sdi->conn))
return SR_ERR;
if (serial_write_nonblocking(serial, (const void *)buffer, 2) != 2)
return SR_ERR;
return SR_OK;
}
static void send_data(const struct sr_dev_inst *sdi, float sample)
{
struct dev_context *devc;
struct sr_datafeed_packet packet;
struct sr_datafeed_analog analog;
struct sr_analog_encoding encoding;
struct sr_analog_meaning meaning;
struct sr_analog_spec spec;
devc = sdi->priv;
sr_analog_init(&analog, &encoding, &meaning, &spec, 1);
meaning.mq = SR_MQ_SOUND_PRESSURE_LEVEL;
meaning.mqflags = devc->cur_mqflags;
meaning.unit = SR_UNIT_DECIBEL_SPL;
meaning.channels = sdi->channels;
analog.num_samples = 1;
analog.data = &sample;
packet.type = SR_DF_ANALOG;
packet.payload = &analog;
sr_session_send(sdi, &packet);
devc->num_samples++;
if (devc->limit_samples && devc->num_samples >= devc->limit_samples)
sdi->driver->dev_acquisition_stop((struct sr_dev_inst *)sdi);
}
static void process_measurement(const struct sr_dev_inst *sdi)
{
struct dev_context *devc;
unsigned short value;
devc = sdi->priv;
if (devc->buffer[3] & (1 << 0)) {
devc->cur_mqflags |= SR_MQFLAG_SPL_FREQ_WEIGHT_C;
devc->cur_mqflags &= ~SR_MQFLAG_SPL_FREQ_WEIGHT_A;
} else {
devc->cur_mqflags |= SR_MQFLAG_SPL_FREQ_WEIGHT_A;
devc->cur_mqflags &= ~SR_MQFLAG_SPL_FREQ_WEIGHT_C;
}
if (devc->buffer[3] & (1 << 1)) {
devc->cur_mqflags |= SR_MQFLAG_SPL_TIME_WEIGHT_S;
devc->cur_mqflags &= ~SR_MQFLAG_SPL_TIME_WEIGHT_F;
} else {
devc->cur_mqflags |= SR_MQFLAG_SPL_TIME_WEIGHT_F;
devc->cur_mqflags &= ~SR_MQFLAG_SPL_TIME_WEIGHT_S;
}
devc->cur_meas_range = devc->buffer[4] & 3;
if (devc->buffer[4] & (1 << 2)) {
devc->cur_mqflags |= SR_MQFLAG_MAX;
devc->cur_mqflags &= ~SR_MQFLAG_MIN;
} else if (devc->buffer[4] & (1 << 3)) {
devc->cur_mqflags |= SR_MQFLAG_MIN;
devc->cur_mqflags &= ~SR_MQFLAG_MAX;
} else {
devc->cur_mqflags &= ~SR_MQFLAG_MIN;
devc->cur_mqflags &= ~SR_MQFLAG_MAX;
}
value = devc->buffer[1] << 8 | devc->buffer[2];
send_data(sdi, value / 10.0);
}
static void process_byte(const struct sr_dev_inst *sdi, const unsigned char c)
{
struct dev_context *devc;
unsigned int i;
devc = sdi->priv;
if (devc->buffer_len < BUFFER_SIZE) {
devc->buffer[devc->buffer_len++] = c;
} else {
for (i = 1; i < BUFFER_SIZE; i++)
devc->buffer[i - 1] = devc->buffer[i];
devc->buffer[BUFFER_SIZE - 1] = c;
if (devc->buffer[0] == 0x7f && devc->buffer[BUFFER_SIZE - 1] == 0x00) {
process_measurement(sdi);
devc->buffer_len = 0;
}
}
}
SR_PRIV int pce_322a_receive_data(int fd, int revents, void *cb_data)
{
const struct sr_dev_inst *sdi;
struct dev_context *devc;
struct sr_serial_dev_inst *serial;
unsigned char c;
(void)fd;
if (!(sdi = cb_data))
return TRUE;
if (!(devc = sdi->priv))
return TRUE;
if (!(serial = sdi->conn))
return TRUE;
if (revents == G_IO_IN) {
if (serial_read_nonblocking(serial, &c, 1) != 1)
return TRUE;
process_byte(sdi, c);
}
return TRUE;
}
SR_PRIV int pce_322a_connect(const struct sr_dev_inst *sdi)
{
return send_command(sdi, CMD_CONNECT);
}
SR_PRIV int pce_322a_disconnect(const struct sr_dev_inst *sdi)
{
return send_command(sdi, CMD_DISCONNECT);
}
SR_PRIV uint64_t pce_322a_weight_freq_get(const struct sr_dev_inst *sdi)
{
struct dev_context *devc;
devc = sdi->priv;
return devc->cur_mqflags & (SR_MQFLAG_SPL_FREQ_WEIGHT_A | SR_MQFLAG_SPL_FREQ_WEIGHT_C);
}
SR_PRIV int pce_322a_weight_freq_set(const struct sr_dev_inst *sdi, uint64_t freqw)
{
struct dev_context *devc;
devc = sdi->priv;
if (devc->cur_mqflags & freqw)
return SR_OK;
return send_command(sdi, CMD_TOGGLE_WEIGHT_FREQ);
}
SR_PRIV uint64_t pce_322a_weight_time_get(const struct sr_dev_inst *sdi)
{
struct dev_context *devc;
devc = sdi->priv;
return devc->cur_mqflags & (SR_MQFLAG_SPL_TIME_WEIGHT_F | SR_MQFLAG_SPL_TIME_WEIGHT_S);
}
SR_PRIV int pce_322a_weight_time_set(const struct sr_dev_inst *sdi, uint64_t timew)
{
struct dev_context *devc;
devc = sdi->priv;
if (devc->cur_mqflags & timew)
return SR_OK;
return send_command(sdi, CMD_TOGGLE_WEIGHT_TIME);
}
SR_PRIV int pce_322a_meas_range_get(const struct sr_dev_inst *sdi,
uint64_t *low, uint64_t *high)
{
struct dev_context *devc;
devc = sdi->priv;
switch (devc->cur_meas_range) {
case MEAS_RANGE_30_130:
*low = 30;
*high = 130;
break;
case MEAS_RANGE_30_80:
*low = 30;
*high = 80;
break;
case MEAS_RANGE_50_100:
*low = 50;
*high = 100;
break;
case MEAS_RANGE_80_130:
*low = 80;
*high = 130;
break;
default:
return SR_ERR;
}
return SR_OK;
}
SR_PRIV int pce_322a_meas_range_set(const struct sr_dev_inst *sdi,
uint64_t low, uint64_t high)
{
struct dev_context *devc;
uint8_t range;
int ret = SR_OK;
devc = sdi->priv;
if (low == 30 && high == 130)
range = MEAS_RANGE_30_130;
else if (low == 30 && high == 80)
range = MEAS_RANGE_30_80;
else if (low == 50 && high == 100)
range = MEAS_RANGE_50_100;
else if (low == 80 && high == 130)
range = MEAS_RANGE_80_130;
else
return SR_ERR;
while (range != devc->cur_meas_range) {
ret = send_command(sdi, CMD_TOGGLE_MEAS_RANGE);
if (ret != SR_OK)
break;
range = (range - 1) & 3;
}
return ret;
}
SR_PRIV int pce_322a_power_off(const struct sr_dev_inst *sdi)
{
return send_command(sdi, CMD_POWER_OFF);
}

86
src/hardware/pce-322a/protocol.h Normal file
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/*
* This file is part of the libsigrok project.
*
* Copyright (C) 2016 George Hopkins <george-hopkins@null.net>
*
* 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/>.
*/
#ifndef LIBSIGROK_HARDWARE_PCE_322A_PROTOCOL_H
#define LIBSIGROK_HARDWARE_PCE_322A_PROTOCOL_H
#include <stdint.h>
#include <glib.h>
#include <libsigrok/libsigrok.h>
#include "libsigrok-internal.h"
#define LOG_PREFIX "pce-322a"
#define BUFFER_SIZE 13
enum {
CMD_CONNECT = 0xacff,
CMD_DISCONNECT = 0xcaff,
CMD_TOGGLE_WEIGHT_FREQ = 0xaaf1,
CMD_TOGGLE_MEAS_RANGE = 0xaaf2,
CMD_TOGGLE_HOLD_MAX_MIN = 0xaaf3,
CMD_TOGGLE_WEIGHT_TIME = 0xaaf4,
CMD_TOGGLE_HOLD = 0xaaf5,
CMD_TOGGLE_BACKLIGHT = 0xaaf6,
CMD_TOGGLE_DATE_TIME = 0xaaf7,
CMD_LOG_START = 0x7e00,
CMD_MEMORY_STATUS = 0xadda,
CMD_MEMORY_TRANSFER = 0xd3da,
CMD_MEMORY_CLEAR = 0xaac1,
CMD_POWER_OFF = 0xaaf8,
};
enum {
MEAS_RANGE_30_130 = 0,
MEAS_RANGE_30_80 = 1,
MEAS_RANGE_50_100 = 2,
MEAS_RANGE_80_130 = 3,
};
/** Private, per-device-instance driver context. */
struct dev_context {
/* Model-specific information */
uint64_t cur_mqflags;
uint8_t cur_meas_range;
/* Acquisition settings */
uint64_t limit_samples;
/* Operational state */
uint64_t num_samples;
/* Temporary state across callbacks */
uint8_t buffer[BUFFER_SIZE];
int buffer_len;
};
SR_PRIV int pce_322a_connect(const struct sr_dev_inst *sdi);
SR_PRIV int pce_322a_disconnect(const struct sr_dev_inst *sdi);
SR_PRIV int pce_322a_receive_data(int fd, int revents, void *cb_data);
SR_PRIV uint64_t pce_322a_weight_freq_get(const struct sr_dev_inst *sdi);
SR_PRIV int pce_322a_weight_freq_set(const struct sr_dev_inst *sdi, uint64_t freqw);
SR_PRIV uint64_t pce_322a_weight_time_get(const struct sr_dev_inst *sdi);
SR_PRIV int pce_322a_weight_time_set(const struct sr_dev_inst *sdi, uint64_t timew);
SR_PRIV int pce_322a_meas_range_get(const struct sr_dev_inst *sdi,
uint64_t *low, uint64_t *high);
SR_PRIV int pce_322a_meas_range_set(const struct sr_dev_inst *sdi,
uint64_t low, uint64_t high);
SR_PRIV int pce_322a_power_off(const struct sr_dev_inst *sdi);
#endif