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js110_usb.c
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js110_usb.c
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/*
* Copyright 2022 Jetperch LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "jsdrv.h"
#include "js110_api.h"
#include "jsdrv_prv/cdef.h"
#include "jsdrv_prv/downsample.h"
#include "jsdrv_prv/log.h"
#include "jsdrv_prv/backend.h"
#include "jsdrv_prv/frontend.h"
#include "jsdrv_prv/js110_cal.h"
#include "jsdrv_prv/js110_sample_processor.h"
#include "jsdrv_prv/js110_stats.h"
#include "jsdrv_prv/msg_queue.h"
#include "jsdrv_prv/usb_spec.h"
#include "jsdrv_prv/thread.h"
#include "jsdrv_prv/pubsub.h"
#include "jsdrv/cstr.h"
#include "jsdrv/error_code.h"
#include "jsdrv/meta.h"
#include "jsdrv/topic.h"
#include "jsdrv_prv/dbc.h"
#include "jsdrv_prv/platform.h"
#include "tinyprintf.h"
#include <math.h>
#define TIMEOUT_MS (1000U)
#define SENSOR_COMMAND_TIMEOUT_MS (3000U)
#define FRAME_SIZE_BYTES (512U)
#define ROE JSDRV_RETURN_ON_ERROR
#define SAMPLING_FREQUENCY (2000000U)
#define STREAM_PAYLOAD_FULL (JSDRV_STREAM_DATA_SIZE - JSDRV_STREAM_HEADER_SIZE - JS220_USB_FRAME_LENGTH)
struct js110_dev_s; // forward declaration, see below
enum state_e {
ST_NOT_PRESENT = 0, //
ST_CLOSED = 1,
ST_OPENING = 2,
ST_OPEN = 3,
};
static int32_t d_close(struct js110_dev_s * d);
typedef void (*param_fn)(struct js110_dev_s * d, const struct jsdrv_union_s * value);
struct param_s {
const char * topic;
const char * meta;
param_fn fn;
};
static void on_i_range_select(struct js110_dev_s * d, const struct jsdrv_union_s * value);
static void on_v_range_select(struct js110_dev_s * d, const struct jsdrv_union_s * value);
static void on_extio_voltage(struct js110_dev_s * d, const struct jsdrv_union_s * value);
static void on_gpo0_value(struct js110_dev_s * d, const struct jsdrv_union_s * value);
static void on_gpo1_value(struct js110_dev_s * d, const struct jsdrv_union_s * value);
static void on_current_lsb_source(struct js110_dev_s * d, const struct jsdrv_union_s * value);
static void on_voltage_lsb_source(struct js110_dev_s * d, const struct jsdrv_union_s * value);
static void on_i_range_mode(struct js110_dev_s * d, const struct jsdrv_union_s * value);
static void on_i_range_pre(struct js110_dev_s * d, const struct jsdrv_union_s * value);
static void on_i_range_win(struct js110_dev_s * d, const struct jsdrv_union_s * value);
static void on_i_range_win_sz(struct js110_dev_s * d, const struct jsdrv_union_s * value);
static void on_i_range_post(struct js110_dev_s * d, const struct jsdrv_union_s * value);
static void on_sampling_frequency(struct js110_dev_s * d, const struct jsdrv_union_s * value);
static void on_current_ctrl(struct js110_dev_s * d, const struct jsdrv_union_s * value);
static void on_voltage_ctrl(struct js110_dev_s * d, const struct jsdrv_union_s * value);
static void on_power_ctrl(struct js110_dev_s * d, const struct jsdrv_union_s * value);
static void on_current_range_ctrl(struct js110_dev_s * d, const struct jsdrv_union_s * value);
static void on_gpi_0_ctrl(struct js110_dev_s * d, const struct jsdrv_union_s * value);
static void on_gpi_1_ctrl(struct js110_dev_s * d, const struct jsdrv_union_s * value);
static void on_stats_scnt(struct js110_dev_s * d, const struct jsdrv_union_s * value);
static void on_stats_ctrl(struct js110_dev_s * d, const struct jsdrv_union_s * value);
enum param_e { // CAREFUL! This must match the order in PARAMS exactly!
PARAM_I_RANGE_SELECT,
PARAM_V_RANGE_SELECT,
PARAM_EXTIO_VOLTAGE,
PARAM_GPO0_VALUE,
PARAM_GPO1_VALUE,
PARAM_I_LSB_SOURCE,
PARAM_V_LSB_SOURCE,
PARAM_I_RANGE_MODE,
PARAM_I_RANGE_PRE,
PARAM_I_RANGE_WIN,
PARAM_I_RANGE_WIN_SZ,
PARAM_I_RANGE_POST,
PARAM_SAMPLE_FREQUENCY,
PARAM_I_CTRL,
PARAM_V_CTRL,
PARAM_P_CTRL,
PARAM_I_RANGE_CTRL,
PARAM_GPI_0_CTRL,
PARAM_GPI_1_CTRL,
PARAM_STATS_SCNT,
PARAM_STATS_CTRL,
PARAM__COUNT, // must be last
};
static const struct param_s PARAMS[] = {
{
"s/i/range/select",
"{"
"\"dtype\": \"u8\","
"\"brief\": \"The current range selection.\","
"\"default\": 0,"
"\"options\": ["
"[128, \"auto\"],"
"[1, \"10 A\"],"
"[2, \"2 A\"],"
"[4, \"180 mA\"],"
"[8, \"18 mA\"],"
"[16, \"1.8 mA\"],"
"[32, \"180 µA\"],"
"[64, \"18 µA\"],"
"[0, \"off\"]"
"]"
"}",
on_i_range_select,
},
{
"s/v/range/select",
"{"
"\"dtype\": \"u8\","
"\"brief\": \"The voltage range selection.\","
"\"default\": 0,"
"\"options\": ["
"[0, \"15 V\"],"
"[1, \"5 V\"]"
"]"
"}",
on_v_range_select,
},
{
"s/extio/voltage",
"{"
"\"dtype\": \"u32\","
"\"brief\": \"The external IO voltage.\","
"\"default\": 3300,"
"\"options\": ["
"[0, \"0V\", \"off\"],"
"[1800, \"1.8V\"],"
"[2100, \"2.1V\"],"
"[2500, \"2.5V\"],"
"[2700, \"2.7V\"],"
"[3000, \"3.0V\"],"
"[3300, \"3.3V\"],"
"[3600, \"3.6V\"],"
"[5000, \"5.0V\"]"
"]"
"}",
on_extio_voltage,
},
{
"s/gpo/0/value",
"{"
"\"dtype\": \"bool\","
"\"brief\": \"The general-purpose output 0 value.\","
"\"default\": 0,"
"\"options\": ["
"[0, \"off\"],"
"[1, \"on\"]"
"]"
"}",
on_gpo0_value,
},
{
"s/gpo/1/value",
"{"
"\"dtype\": \"bool\","
"\"brief\": \"The general-purpose output 1 value.\","
"\"default\": 0,"
"\"options\": ["
"[0, \"off\"],"
"[1, \"on\"]"
"]"
"}",
on_gpo1_value,
},
{
"s/i/lsb_src",
"{"
"\"dtype\": \"u8\","
"\"brief\": \"The current signal least-significant bit mapping.\","
"\"default\": 0,"
"\"options\": ["
"[0, \"normal\"],"
"[2, \"gpi0\"],"
"[3, \"gpi1\"]"
"]"
"}",
on_current_lsb_source,
},
{
"s/v/lsb_src",
"{"
"\"dtype\": \"u8\","
"\"brief\": \"The voltage signal least-significant bit mapping.\","
"\"default\": 0,"
"\"options\": ["
"[0, \"normal\"],"
"[2, \"gpi0\"],"
"[3, \"gpi1\"]"
"]"
"}",
on_voltage_lsb_source
},
{
"s/i/range/mode",
"{"
"\"dtype\": \"u8\","
"\"brief\": \"The current range suppression mode.\","
"\"default\": 2,"
"\"options\": ["
"[0, \"off\"],"
"[1, \"mean\"],"
"[2, \"interp\", \"interpolate\"],"
"[3, \"nan\"]"
"]"
"}",
on_i_range_mode,
},
{
"s/i/range/pre",
"{"
"\"dtype\": \"u8\","
"\"brief\": \"The number of samples before the range switch to include.\","
"\"default\": 1,"
"\"range\": [0, 8]"
"}",
on_i_range_pre,
},
{
"s/i/range/win",
"{"
"\"dtype\": \"u8\","
"\"brief\": \"The window type.\","
"\"default\": 2,"
"\"options\": ["
"[0, \"manual\"],"
"[1, \"m\"],"
"[2, \"n\"]"
"]"
"}",
on_i_range_win,
},
{
"s/i/range/win_sz",
"{"
"\"dtype\": \"u8\","
"\"brief\": \"The manual window size.\","
"\"default\": 10,"
"\"range\": [0, 31]"
"}",
on_i_range_win_sz,
},
{
"s/i/range/post",
"{"
"\"dtype\": \"u8\","
"\"brief\": \"The number of samples after the range switch to include.\","
"\"default\": 1,"
"\"range\": [0, 8]"
"}",
on_i_range_post,
},
{
"h/fs",
"{"
"\"dtype\": \"u32\","
"\"brief\": \"The sampling frequency.\","
"\"default\": 2000000,"
"\"options\": ["
"[2000000, \"2 MHz\"],"
"[1000000, \"1 MHz\"],"
"[500000, \"500 kHz\"],"
"[200000, \"200 kHz\"],"
"[100000, \"100 kHz\"],"
"[50000, \"50 kHz\"],"
"[20000, \"20 kHz\"],"
"[10000, \"10 kHz\"],"
"[5000, \"5 kHz\"],"
"[2000, \"2 kHz\"],"
"[1000, \"1 kHz\"],"
"[500, \"500 Hz\"],"
"[200, \"200 Hz\"],"
"[100, \"100 Hz\"],"
"[50, \"50 Hz\"],"
"[20, \"20 Hz\"],"
"[10, \"10 Hz\"],"
"[5, \"5 Hz\"],"
"[2, \"2 Hz\"],"
"[1, \"1 Hz\"]"
"]"
"}",
on_sampling_frequency,
},
// on-instrument statistics
{
"s/i/ctrl",
"{"
"\"dtype\": \"bool\","
"\"brief\": \"Enable data stream for float32 current.\","
"\"default\": 0"
"}",
on_current_ctrl,
},
{
"s/v/ctrl",
"{"
"\"dtype\": \"bool\","
"\"brief\": \"Enable data stream for float32 voltage.\","
"\"default\": 0"
"}",
on_voltage_ctrl,
},
{
"s/p/ctrl",
"{"
"\"dtype\": \"bool\","
"\"brief\": \"Enable data stream for float32 power.\","
"\"default\": 0"
"}",
on_power_ctrl,
},
{
"s/i/range/ctrl",
"{"
"\"dtype\": \"bool\","
"\"brief\": \"Enable current range input data stream (u4).\","
"\"default\": 0"
"}",
on_current_range_ctrl,
},
{
"s/gpi/0/ctrl",
"{"
"\"dtype\": \"bool\","
"\"brief\": \"Enable general purpose input 0 data stream (u1).\","
"\"default\": 0"
"}",
on_gpi_0_ctrl,
},
{
"s/gpi/1/ctrl",
"{"
"\"dtype\": \"bool\","
"\"brief\": \"Enable general purpose input 1 data stream (u1).\","
"\"default\": 0"
"}",
on_gpi_1_ctrl,
},
{
"s/stats/scnt",
"{"
"\"dtype\": \"u32\","
"\"brief\": \"Number of 2 Msps samples per block.\","
"\"default\": 1000000,"
"\"range\": [0, 2000000]"
"}",
on_stats_scnt,
},
{
"s/stats/ctrl",
"{"
"\"dtype\": \"bool\","
"\"brief\": \"Enable stats input data stream (u8).\","
"\"default\": 0"
"}",
on_stats_ctrl,
},
{NULL, NULL, NULL}, // MUST BE LAST
};
JSDRV_STATIC_ASSERT((PARAM__COUNT + 1) == JSDRV_ARRAY_SIZE(PARAMS), param_length_mismatch);
struct field_def_s {
const char * data_topic;
uint8_t field_id; // jsdrv_field_e
uint8_t index;
uint8_t element_type; // jsdrv_data_type_e
uint8_t element_size_bits;
uint8_t downsample;
enum param_e param;
};
#define FIELD(data_topic_, field_, index_, type_, size_, downsample_, param_) { \
.data_topic = (data_topic_), \
.field_id=JSDRV_FIELD_##field_, \
.index=(index_), \
.element_type=JSDRV_DATA_TYPE_##type_, \
.element_size_bits=(size_), \
.downsample=(downsample_), \
.param=(param_), \
}
const struct field_def_s FIELDS[] = {
// (ctrl field, data field, index, el_type, el_size_bits, downsample, param)
FIELD("s/i/!data", CURRENT, 0, FLOAT, 32, 1, PARAM_I_CTRL),
FIELD("s/v/!data", VOLTAGE, 0, FLOAT, 32, 1, PARAM_V_CTRL),
FIELD("s/p/!data", POWER, 0, FLOAT, 32, 1, PARAM_P_CTRL),
FIELD("s/i/range/!data", RANGE, 0, UINT, 4, 1, PARAM_I_RANGE_CTRL),
FIELD("s/gpi/0/!data", GPI, 0, UINT, 1, 1, PARAM_GPI_0_CTRL),
FIELD("s/gpi/1/!data", GPI, 1, UINT, 1, 1, PARAM_GPI_1_CTRL),
};
struct port_s {
struct jsdrvp_msg_s * msg;
struct jsdrv_downsample_s * downsample;
};
struct js110_dev_s {
struct jsdrvp_ul_device_s ul;
struct jsdrvp_ll_device_s ll;
struct jsdrv_context_s * context;
uint8_t state; // state_e
struct jsdrv_union_s param_values[JSDRV_ARRAY_SIZE(PARAMS)];
uint64_t packet_index;
struct js110_sp_s sample_processor;
struct js110_stats_s stats;
uint64_t sample_id;
struct port_s ports[JSDRV_ARRAY_SIZE(FIELDS)];
volatile bool do_exit;
jsdrv_thread_t thread;
};
static bool handle_rsp(struct js110_dev_s * d, struct jsdrvp_msg_s * msg);
static const char * prefix_match_and_strip(const char * prefix, const char * topic) {
while (*prefix) {
if (*prefix++ != *topic++) {
return NULL;
}
}
if (*topic++ != '/') {
return NULL;
}
return topic;
}
static struct jsdrvp_msg_s * ll_await_topic(struct js110_dev_s * d, const char * topic, uint32_t timeout_ms) {
uint32_t t_now = jsdrv_time_ms_u32();
uint32_t t_end = t_now + timeout_ms;
while (1) {
#if _WIN32
HANDLE h = msg_queue_handle_get(d->ll.rsp_q);
WaitForSingleObject(h, timeout_ms);
#else
struct pollfd fds = {
.fd = msg_queue_handle_get(d->ll.rsp_q),
.events = POLLIN,
.revents = 0,
};
poll(&fds, 1, timeout_ms);
#endif
struct jsdrvp_msg_s * m = msg_queue_pop_immediate(d->ll.rsp_q);
if (!m) {
// no message yet, keep trying until timeout.
} else if (0 == strcmp(m->topic, topic)) {
return m;
} else {
handle_rsp(d, m);
}
t_now = jsdrv_time_ms_u32();
timeout_ms = t_end - t_now;
if ((timeout_ms > (1U << 31U)) || (0 == timeout_ms)) {
return NULL;
}
}
}
static void send_to_frontend(struct js110_dev_s * d, const char * subtopic, const struct jsdrv_union_s * value) {
struct jsdrvp_msg_s * m;
m = jsdrvp_msg_alloc_value(d->context, "", value);
tfp_snprintf(m->topic, sizeof(m->topic), "%s/%s", d->ll.prefix, subtopic);
jsdrvp_backend_send(d->context, m);
}
static int32_t jsdrvb_ctrl_out(struct js110_dev_s * d, usb_setup_t setup, const void * buffer) {
JSDRV_LOGI("jsdrvb_ctrl_out start");
struct jsdrvp_msg_s * m = jsdrvp_msg_alloc(d->context);
jsdrv_cstr_copy(m->topic, JSDRV_USBBK_MSG_CTRL_OUT, sizeof(m->topic));
m->value.type = JSDRV_UNION_BIN;
m->value.value.bin = m->payload.bin;
m->value.app = JSDRV_PAYLOAD_TYPE_USB_CTRL;
m->extra.bkusb_ctrl.setup = setup;
if (setup.s.wLength > sizeof(m->payload.bin)) {
JSDRV_LOGE("ctrl_out too big: %d", (int) setup.s.wLength);
jsdrvp_msg_free(d->context, m);
return JSDRV_ERROR_PARAMETER_INVALID;
}
memcpy(m->payload.bin, buffer, setup.s.wLength);
m->value.size = setup.s.wLength;
msg_queue_push(d->ll.cmd_q, m);
m = ll_await_topic(d, JSDRV_USBBK_MSG_CTRL_OUT, TIMEOUT_MS);
if (!m) {
JSDRV_LOGW("ctrl_out timed out");
return JSDRV_ERROR_TIMED_OUT;
}
jsdrvp_msg_free(d->context, m);
JSDRV_LOGI("jsdrvb_ctrl_out done");
return 0;
}
static int32_t jsdrvb_ctrl_in(struct js110_dev_s * d, usb_setup_t setup, void * buffer, uint32_t * size) {
int32_t rc = 0;
struct jsdrvp_msg_s * m = jsdrvp_msg_alloc(d->context);
jsdrv_cstr_copy(m->topic, JSDRV_USBBK_MSG_CTRL_IN, sizeof(m->topic));
m->value.type = JSDRV_UNION_BIN;
m->value.value.bin = m->payload.bin;
m->value.app = JSDRV_PAYLOAD_TYPE_USB_CTRL;
m->extra.bkusb_ctrl.setup = setup;
msg_queue_push(d->ll.cmd_q, m);
m = ll_await_topic(d, JSDRV_USBBK_MSG_CTRL_IN, TIMEOUT_MS);
if (!m) {
JSDRV_LOGW("ctrl_in timed out");
return JSDRV_ERROR_TIMED_OUT;
}
if (m->value.size > setup.s.wLength) {
JSDRV_LOGW("ctrl_in returned too much data");
rc = JSDRV_ERROR_TOO_BIG;
} else {
memcpy(buffer, m->payload.bin, m->value.size);
if (size) {
*size = m->value.size;
}
}
jsdrvp_msg_free(d->context, m);
return rc;
}
static int32_t jsdrvb_bulk_in_stream_open(struct js110_dev_s * d, uint8_t endpoint) {
struct jsdrvp_msg_s * m = jsdrvp_msg_alloc(d->context);
jsdrv_cstr_copy(m->topic, JSDRV_USBBK_MSG_BULK_IN_STREAM_OPEN, sizeof(m->topic));
m->value = jsdrv_union_i32(0);
m->extra.bkusb_stream.endpoint = endpoint;
msg_queue_push(d->ll.cmd_q, m);
m = ll_await_topic(d, JSDRV_USBBK_MSG_BULK_IN_STREAM_OPEN, TIMEOUT_MS);
if (!m) {
JSDRV_LOGW("jsdrvb_bulk_in_stream_open timed out");
return JSDRV_ERROR_TIMED_OUT;
}
int32_t rv = m->value.value.i32;;
jsdrvp_msg_free(d->context, m);
return rv;
}
static int32_t d_status(struct js110_dev_s * d, struct js110_host_status_s * status) {
memset(status, 0, sizeof(*status));
struct js110_host_packet_s pkt;
usb_setup_t setup = { .s = {
.bmRequestType = USB_REQUEST_TYPE(IN, VENDOR, DEVICE),
.bRequest = JS110_HOST_USB_REQUEST_STATUS,
.wValue = 0,
.wIndex = 0,
.wLength = 128,
}};
uint32_t sz = 0;
int32_t rv = jsdrvb_ctrl_in(d, setup, &pkt, &sz);
if (rv) {
// do nothing
JSDRV_LOGE("status returned %d", rv);
} else if ((pkt.header.version == JS110_HOST_API_VERSION) && pkt.header.type == JS110_HOST_PACKET_TYPE_STATUS) {
memcpy(status, &pkt.payload.status, sizeof(pkt.payload.status));
} else {
JSDRV_LOGW("unexpected message");
rv = JSDRV_ERROR_UNSPECIFIED; // unexpected
}
return rv;
}
static int32_t wait_for_sensor_command(struct js110_dev_s * d) {
uint32_t t_start = jsdrv_time_ms_u32();
while (1) {
struct js110_host_status_s status;
int32_t rv = d_status(d, &status);
if (rv) {
JSDRV_LOGW("status failed");
return rv;
}
if ((status.settings_result == -1) || (status.settings_result == 19)) {
// waiting, retry
} else {
JSDRV_LOGI("wait_for_sensor_command => %d", (int) rv);
return rv;
}
if ((jsdrv_time_ms_u32() - t_start) > SENSOR_COMMAND_TIMEOUT_MS) {
return JSDRV_ERROR_TIMED_OUT;
}
}
}
static bool is_streaming(struct js110_dev_s * d) {
uint8_t stream_en =
d->param_values[PARAM_I_CTRL].value.u8
| d->param_values[PARAM_V_CTRL].value.u8
| d->param_values[PARAM_P_CTRL].value.u8
| d->param_values[PARAM_I_RANGE_CTRL].value.u8
| d->param_values[PARAM_GPI_0_CTRL].value.u8
| d->param_values[PARAM_GPI_1_CTRL].value.u8;
return (0 != stream_en) ? true : false;
}
static int32_t calibration_get(struct js110_dev_s * d) {
int32_t rv = 0;
uint8_t * cal;
uint8_t buf[4096];
struct js110_cal_header_s hdr;
usb_setup_t setup = { .s = {
.bmRequestType = USB_REQUEST_TYPE(IN, VENDOR, DEVICE),
.bRequest = JS110_HOST_USB_REQUEST_CALIBRATION,
.wValue = 1, // active calibration
.wIndex = 0,
.wLength = sizeof(hdr),
}};
uint32_t sz = 0;
ROE(jsdrvb_ctrl_in(d, setup, &hdr, &sz));
if (sz < sizeof(hdr)) {
JSDRV_LOGW("cal too small");
return JSDRV_ERROR_TOO_SMALL;
}
cal = jsdrv_alloc(hdr.length);
uint32_t offset = 0;
while (offset < hdr.length) {
setup.s.wIndex = offset;
uint32_t remaining = (uint32_t) (hdr.length - offset);
setup.s.wLength = sizeof(buf);
if (remaining < setup.s.wLength) {
setup.s.wLength = remaining;
}
rv = jsdrvb_ctrl_in(d, setup, buf, &sz);
if (rv) {
break;
}
memcpy(cal + offset, buf, sz);
offset += sz;
}
if (0 == rv) {
rv = js110_cal_parse(cal, d->sample_processor.cal);
}
jsdrv_free(cal);
return rv;
}
static int32_t stream_settings_send(struct js110_dev_s * d) {
struct js110_host_packet_s pkt;
memset(&pkt, 0, sizeof(pkt));
// initialize device - configure for normal operation
uint8_t v_range = d->param_values[PARAM_V_RANGE_SELECT].value.u8;
uint8_t ovr_to_lsb = 0; // 0=off, 1=ovr to LSBs (not supported in this driver)
pkt.header.version = JS110_HOST_API_VERSION;
pkt.header.length = 16;
pkt.header.type = JS110_HOST_PACKET_TYPE_SETTINGS;
pkt.payload.settings.sensor_power = 1;
pkt.payload.settings.select = d->param_values[PARAM_I_RANGE_SELECT].value.u8;
pkt.payload.settings.source = 0xC0; // raw ADC data
pkt.payload.settings.options = ((v_range & 1) << 1) | (ovr_to_lsb & 1);
pkt.payload.settings.streaming = is_streaming(d) ? 0x03 /* enable USB & FPGA */ : 0;
usb_setup_t setup = { .s = {
.bmRequestType = USB_REQUEST_TYPE(OUT, VENDOR, DEVICE),
.bRequest = JS110_HOST_USB_REQUEST_SETTINGS,
.wValue = 0,
.wIndex = 0,
.wLength = pkt.header.length,
}};
if (jsdrvb_ctrl_out(d, setup, &pkt)) {
JSDRV_LOGW("stream_settings_send failed");
return JSDRV_ERROR_IO;
}
if (wait_for_sensor_command(d)) {
JSDRV_LOGW("stream_settings_send did not work");
return JSDRV_ERROR_IO;
}
return 0;
}
static int32_t extio_settings_send(struct js110_dev_s * d) {
struct js110_host_packet_s pkt;
memset(&pkt, 0, sizeof(pkt));
pkt.header.version = JS110_HOST_API_VERSION;
pkt.header.length = 24;
pkt.header.type = JS110_HOST_PACKET_TYPE_EXTIO;
pkt.payload.extio.flags = 0;
pkt.payload.extio.trigger_source = 0;
pkt.payload.extio.current_gpi = d->param_values[PARAM_I_LSB_SOURCE].value.u8;
pkt.payload.extio.voltage_gpi = d->param_values[PARAM_V_LSB_SOURCE].value.u8;
pkt.payload.extio.gpo0 = d->param_values[PARAM_GPO0_VALUE].value.u8;
pkt.payload.extio.gpo1 = d->param_values[PARAM_GPO1_VALUE].value.u8;
pkt.payload.extio.io_voltage_mv = d->param_values[PARAM_EXTIO_VOLTAGE].value.u32;
usb_setup_t setup = { .s = {
.bmRequestType = USB_REQUEST_TYPE(OUT, VENDOR, DEVICE),
.bRequest = JS110_HOST_USB_REQUEST_EXTIO,
.wValue = 0,
.wIndex = 0,
.wLength = pkt.header.length,
}};
if (jsdrvb_ctrl_out(d, setup, &pkt)) {
JSDRV_LOGW("extio_settings_send failed");
return JSDRV_ERROR_IO;
}
if (wait_for_sensor_command(d)) {
JSDRV_LOGW("extio_settings_send did not work");
return JSDRV_ERROR_IO;
}
return 0;
}
static int32_t extio_gpi_recv(struct js110_dev_s * d, uint8_t * gpi) {
struct js110_host_packet_s pkt;
memset(&pkt, 0, sizeof(pkt));
uint32_t sz = 0;
usb_setup_t setup = { .s = {
.bmRequestType = USB_REQUEST_TYPE(IN, VENDOR, DEVICE),
.bRequest = JS110_HOST_USB_REQUEST_EXTIO,
.wValue = 0,
.wIndex = 0,
.wLength = sizeof(pkt),
}};
if (jsdrvb_ctrl_in(d, setup, &pkt, &sz)) {
JSDRV_LOGW("extio_settings_recv failed");
return JSDRV_ERROR_IO;
}
*gpi = pkt.payload.extio.gpi_value;
return 0;
}
static void on_i_range_select(struct js110_dev_s * d, const struct jsdrv_union_s * value) {
d->param_values[PARAM_I_RANGE_SELECT] = *value;
stream_settings_send(d);
}
static void on_v_range_select(struct js110_dev_s * d, const struct jsdrv_union_s * value) {
d->param_values[PARAM_V_RANGE_SELECT] = *value;
stream_settings_send(d);
}
static void on_extio_voltage(struct js110_dev_s * d, const struct jsdrv_union_s * value) {
d->param_values[PARAM_EXTIO_VOLTAGE] = *value;
extio_settings_send(d);
}
static void on_gpo0_value(struct js110_dev_s * d, const struct jsdrv_union_s * value) {
d->param_values[PARAM_GPO0_VALUE] = *value;
extio_settings_send(d);
}
static void on_gpo1_value(struct js110_dev_s * d, const struct jsdrv_union_s * value) {
d->param_values[PARAM_GPO1_VALUE] = *value;
extio_settings_send(d);
}
static void on_current_lsb_source(struct js110_dev_s * d, const struct jsdrv_union_s * value) {
d->param_values[PARAM_I_LSB_SOURCE] = *value;
extio_settings_send(d);
}
static void on_voltage_lsb_source(struct js110_dev_s * d, const struct jsdrv_union_s * value) {
d->param_values[PARAM_V_LSB_SOURCE] = *value;
extio_settings_send(d);
}
static void on_i_range_mode(struct js110_dev_s * d, const struct jsdrv_union_s * value) {
d->sample_processor._suppress_mode = value->value.u8;
}
static void on_i_range_pre(struct js110_dev_s * d, const struct jsdrv_union_s * value) {
JSDRV_LOGI("on_i_range_pre %d", (int) value->value.u8);
d->sample_processor._suppress_samples_pre = value->value.u8;
}
static void on_i_range_win(struct js110_dev_s * d, const struct jsdrv_union_s * value) {
JSDRV_LOGI("on_i_range_win %d", (int) value->value.u8);
js110_sp_suppress_win(&d->sample_processor, value->value.u8);
}
static void on_i_range_win_sz(struct js110_dev_s * d, const struct jsdrv_union_s * value) {
JSDRV_LOGI("on_i_range_win_sz %d", (int) value->value.u8);
d->sample_processor._suppress_samples_window = value->value.u8;
}
static void on_i_range_post(struct js110_dev_s * d, const struct jsdrv_union_s * value) {
JSDRV_LOGI("on_i_range_post %d", (int) value->value.u8);
d->sample_processor._suppress_samples_post = value->value.u8;
}
static void on_sampling_frequency(struct js110_dev_s * d, const struct jsdrv_union_s * value) {
struct jsdrv_union_s v = *value;
uint32_t fs;
if (jsdrv_union_as_type(&v, JSDRV_UNION_U32)) {
JSDRV_LOGW("Could not process sampling frequency");
return;
}
fs = v.value.u32;
JSDRV_LOGI("on_sampling_frequency(%lu)", fs);
for (uint32_t idx = 0; idx < JSDRV_ARRAY_SIZE(FIELDS); ++idx) {
struct port_s *p = &d->ports[idx];
if (p->downsample) {
jsdrv_downsample_free(p->downsample);
p->downsample = NULL;
}
if (p->msg) {
jsdrvp_msg_free(d->context, p->msg);
p->msg = NULL;
}
p->downsample = jsdrv_downsample_alloc(SAMPLING_FREQUENCY, fs);
if (NULL == p->downsample) {
JSDRV_LOGW("jsdrv_downsample_alloc failed");
}
}
}
static void on_update_ctrl(struct js110_dev_s * d, const struct jsdrv_union_s * value, int32_t param) {
bool s1 = is_streaming(d);
d->param_values[param] = *value;
if (s1 != is_streaming(d)) {
JSDRV_LOGI("on_update_ctrl %d (stream change) %s", param, s1 ? "on" : "off");
if (!s1) { // enabling streaming
js110_sp_reset(&d->sample_processor);
js110_stats_clear(&d->stats);
d->packet_index = 0;
} else { // disabling streaming
for (uint32_t idx = 0; idx < JSDRV_ARRAY_SIZE(FIELDS); ++idx) {
struct port_s * p = &d->ports[idx];
struct jsdrvp_msg_s *m = p->msg;
p->msg = NULL;
if (NULL != m) {
jsdrvp_msg_free(d->context, m);
}
if (NULL != p->downsample) {
jsdrv_downsample_clear(p->downsample);
}
}
d->sample_id = 0;
}
stream_settings_send(d);
JSDRV_LOGI("on_update_ctrl %d (stream change complete)", param);
} else {
JSDRV_LOGI("on_update_ctrl %d (no stream change)", param);
}
}
static void on_current_ctrl(struct js110_dev_s * d, const struct jsdrv_union_s * value) {
on_update_ctrl(d, value, PARAM_I_CTRL);
}
static void on_voltage_ctrl(struct js110_dev_s * d, const struct jsdrv_union_s * value) {
on_update_ctrl(d, value, PARAM_V_CTRL);
}
static void on_power_ctrl(struct js110_dev_s * d, const struct jsdrv_union_s * value) {
on_update_ctrl(d, value, PARAM_P_CTRL);
}
static void on_current_range_ctrl(struct js110_dev_s * d, const struct jsdrv_union_s * value) {
on_update_ctrl(d, value, PARAM_I_RANGE_CTRL);
}
static void on_gpi_0_ctrl(struct js110_dev_s * d, const struct jsdrv_union_s * value) {
on_update_ctrl(d, value, PARAM_GPI_0_CTRL);
}
static void on_gpi_1_ctrl(struct js110_dev_s * d, const struct jsdrv_union_s * value) {
on_update_ctrl(d, value, PARAM_GPI_1_CTRL);
}
static void on_stats_scnt(struct js110_dev_s * d, const struct jsdrv_union_s * value) {
struct jsdrv_union_s v = *value;
jsdrv_union_as_type(&v, JSDRV_UNION_U32);
js110_stats_sample_count_set(&d->stats, v.value.u32);
}
static void on_stats_ctrl(struct js110_dev_s * d, const struct jsdrv_union_s * value) {
on_update_ctrl(d, value, PARAM_STATS_CTRL);
}
static int32_t d_open_ll(struct js110_dev_s * d) {
JSDRV_LOGI("open_ll");
struct jsdrvp_msg_s * m = jsdrvp_msg_alloc_value(d->context, JSDRV_MSG_OPEN, &jsdrv_union_i32(0));
msg_queue_push(d->ll.cmd_q, m);
m = ll_await_topic(d, JSDRV_MSG_OPEN, TIMEOUT_MS);
if (!m) {
JSDRV_LOGW("ll_driver open timed out");
return JSDRV_ERROR_TIMED_OUT;
}
int32_t rc = m->value.value.i32;
jsdrvp_msg_free(d->context, m);
if (rc) {
JSDRV_LOGE("open_ll failed");
return rc;
}
d->state = ST_OPENING;
return 0;
}
static int32_t d_open(struct js110_dev_s * d) {
JSDRV_LOGI("open");
usb_setup_t setup = { .s = {
.bmRequestType = USB_REQUEST_TYPE(OUT, VENDOR, DEVICE),
.bRequest = JS110_HOST_USB_REQUEST_LOOPBACK_BUFFER,
.wValue = 0,
.wIndex = 0,
.wLength = 16,
}};
uint8_t buf_out[16] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16};
uint8_t buf_in[16];
if (jsdrvb_ctrl_out(d, setup, buf_out)) {
JSDRV_LOGW("ctrl loopback buffer write failed");
return JSDRV_ERROR_IO;
}
setup.s.bmRequestType = USB_REQUEST_TYPE(IN, VENDOR, DEVICE);
uint32_t sz;
if (jsdrvb_ctrl_in(d, setup, buf_in, &sz)) {
JSDRV_LOGW("ctrl loopback buffer read failed");
return JSDRV_ERROR_IO;
}
if (0 != memcmp(buf_out, buf_in, sizeof(buf_in))) {
JSDRV_LOGE("loopback failed");
}
ROE(stream_settings_send(d));
ROE(calibration_get(d));
// Publish topic metadata
for (int i = 0; NULL != PARAMS[i].topic; ++i) {
const struct param_s * p = &PARAMS[i];
struct jsdrv_topic_s topic;
jsdrv_topic_set(&topic, p->topic);
jsdrv_topic_suffix_add(&topic, JSDRV_TOPIC_SUFFIX_METADATA_RSP);
send_to_frontend(d, topic.topic, &jsdrv_union_cjson_r(p->meta));
}
// todo info_get(d) -> version, jsdrvb_ctrl_in JS110_HOST_USB_REQUEST_INFO
// Publish topic values
for (int i = 0; NULL != PARAMS[i].topic; ++i) {
send_to_frontend(d, PARAMS[i].topic, &d->param_values[i]);
}
ROE(jsdrvb_bulk_in_stream_open(d, 2));
JSDRV_LOGI("open complete");
d->state = ST_OPEN;
return 0;
}
static int32_t d_close(struct js110_dev_s * d) {
JSDRV_LOGI("close");
struct jsdrvp_msg_s * m = jsdrvp_msg_alloc_value(d->context, JSDRV_MSG_CLOSE, &jsdrv_union_u32(0));
msg_queue_push(d->ll.cmd_q, m);
m = ll_await_topic(d, JSDRV_MSG_CLOSE, TIMEOUT_MS);
for (uint32_t idx = 0; idx < JSDRV_ARRAY_SIZE(d->ports); ++idx) {
struct port_s * p = &d->ports[idx];
if (NULL != p->msg) {
jsdrvp_msg_free(d->context, p->msg);
p->msg = NULL;
}
}
if (!m) {
JSDRV_LOGW("ll_driver open timed out");
return JSDRV_ERROR_TIMED_OUT;
}
d->state = ST_CLOSED;
jsdrvp_msg_free(d->context, m);
return 0;
}
static void handle_cmd_publish(struct js110_dev_s * d, const struct jsdrvp_msg_s * msg) {
struct jsdrv_topic_s topic;
const char * topic_str = prefix_match_and_strip(d->ll.prefix, msg->topic);