144 lines
4.0 KiB
C
144 lines
4.0 KiB
C
/*
|
|
* 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/>.
|
|
*/
|
|
|
|
#ifndef LIBSIGROK_HARDWARE_CEM_DT_885X_PROTOCOL_H
|
|
#define LIBSIGROK_HARDWARE_CEM_DT_885X_PROTOCOL_H
|
|
|
|
#include <stdint.h>
|
|
#include <glib.h>
|
|
#include "libsigrok.h"
|
|
#include "libsigrok-internal.h"
|
|
|
|
#define LOG_PREFIX "cem-dt-885x"
|
|
|
|
/* When retrieving samples from device memory, group this many
|
|
* together into a sigrok packet. */
|
|
#define SAMPLES_PER_PACKET 50
|
|
|
|
/* Various temporary storage, at least 8 bytes. */
|
|
#define BUF_SIZE SAMPLES_PER_PACKET * 2
|
|
|
|
/* When in hold mode, force the last measurement out at this interval.
|
|
* We're using 50ms, which duplicates the non-hold 20Hz update rate. */
|
|
#define HOLD_REPEAT_INTERVAL 50 * 1000
|
|
|
|
enum {
|
|
TOKEN_WEIGHT_TIME_FAST = 0x02,
|
|
TOKEN_WEIGHT_TIME_SLOW = 0x03,
|
|
TOKEN_HOLD_MAX = 0x04,
|
|
TOKEN_HOLD_MIN = 0x05,
|
|
TOKEN_TIME = 0x06,
|
|
TOKEN_MEAS_RANGE_OVER = 0x07,
|
|
TOKEN_MEAS_RANGE_UNDER = 0x08,
|
|
TOKEN_STORE_FULL = 0x09,
|
|
TOKEN_RECORDING_ON = 0x0a,
|
|
TOKEN_MEAS_WAS_READOUT = 0x0b,
|
|
TOKEN_MEAS_WAS_BARGRAPH = 0x0c,
|
|
TOKEN_MEASUREMENT = 0xd,
|
|
TOKEN_HOLD_NONE = 0x0e,
|
|
TOKEN_BATTERY_LOW = 0x0f,
|
|
TOKEN_MEAS_RANGE_OK = 0x11,
|
|
TOKEN_STORE_OK = 0x19,
|
|
TOKEN_RECORDING_OFF = 0x1a,
|
|
TOKEN_WEIGHT_FREQ_A = 0x1b,
|
|
TOKEN_WEIGHT_FREQ_C = 0x1c,
|
|
TOKEN_BATTERY_OK = 0x1f,
|
|
TOKEN_MEAS_RANGE_30_80 = 0x30,
|
|
TOKEN_MEAS_RANGE_30_130 = 0x40,
|
|
TOKEN_MEAS_RANGE_50_100 = 0x4b,
|
|
TOKEN_MEAS_RANGE_80_130 = 0x4c,
|
|
};
|
|
|
|
enum {
|
|
CMD_TOGGLE_RECORDING = 0x55,
|
|
CMD_TOGGLE_WEIGHT_FREQ = 0x99,
|
|
CMD_TOGGLE_WEIGHT_TIME = 0x77,
|
|
CMD_TOGGLE_HOLD_MAX_MIN = 0x11,
|
|
CMD_TOGGLE_MEAS_RANGE = 0x88,
|
|
CMD_TOGGLE_POWER_OFF = 0x33,
|
|
CMD_TRANSFER_MEMORY = 0xac,
|
|
};
|
|
|
|
enum {
|
|
RECORD_DBA = 0xaa,
|
|
RECORD_DBC = 0xcc,
|
|
RECORD_DATA = 0xac,
|
|
RECORD_END = 0xdd,
|
|
};
|
|
|
|
enum {
|
|
DATA_SOURCE_LIVE,
|
|
DATA_SOURCE_MEMORY,
|
|
};
|
|
|
|
/** Private, per-device-instance driver context. */
|
|
struct dev_context {
|
|
/* Device state */
|
|
uint64_t cur_mqflags;
|
|
int recording;
|
|
int cur_meas_range;
|
|
int cur_data_source;
|
|
|
|
/* Acquisition settings */
|
|
uint64_t limit_samples;
|
|
|
|
/* Operational state */
|
|
int state;
|
|
uint64_t num_samples;
|
|
gboolean enable_data_source_memory;
|
|
|
|
/* Temporary state across callbacks */
|
|
void *cb_data;
|
|
unsigned char cmd;
|
|
unsigned char token;
|
|
int buf_len;
|
|
unsigned char buf[BUF_SIZE];
|
|
float last_spl;
|
|
gint64 hold_last_sent;
|
|
};
|
|
|
|
/* Parser state machine. */
|
|
enum {
|
|
ST_INIT,
|
|
ST_GET_TOKEN,
|
|
ST_GET_DATA,
|
|
ST_GET_LOG_HEADER,
|
|
ST_GET_LOG_RECORD_META,
|
|
ST_GET_LOG_RECORD_DATA,
|
|
};
|
|
|
|
SR_PRIV int cem_dt_885x_receive_data(int fd, int revents, void *cb_data);
|
|
SR_PRIV int cem_dt_885x_recording_set(const struct sr_dev_inst *sdi, gboolean start);
|
|
SR_PRIV gboolean cem_dt_885x_recording_get(const struct sr_dev_inst *sdi,
|
|
int *state);
|
|
SR_PRIV int cem_dt_885x_weight_freq_get(const struct sr_dev_inst *sdi);
|
|
SR_PRIV int cem_dt_885x_weight_freq_set(const struct sr_dev_inst *sdi, int freqw);
|
|
SR_PRIV int cem_dt_885x_weight_time_get(const struct sr_dev_inst *sdi);
|
|
SR_PRIV int cem_dt_885x_weight_time_set(const struct sr_dev_inst *sdi, int timew);
|
|
SR_PRIV int cem_dt_885x_holdmode_get(const struct sr_dev_inst *sdi,
|
|
gboolean *holdmode);
|
|
SR_PRIV int cem_dt_885x_holdmode_set(const struct sr_dev_inst *sdi, int holdmode);
|
|
SR_PRIV int cem_dt_885x_meas_range_get(const struct sr_dev_inst *sdi,
|
|
uint64_t *low, uint64_t *high);
|
|
SR_PRIV int cem_dt_885x_meas_range_set(const struct sr_dev_inst *sdi,
|
|
uint64_t low, uint64_t high);
|
|
SR_PRIV int cem_dt_885x_power_off(const struct sr_dev_inst *sdi);
|
|
|
|
#endif
|