libsigrok/src/hardware/rdtech-dps/protocol.h

97 lines
2.7 KiB
C

/*
* This file is part of the libsigrok project.
*
* Copyright (C) 2018 James Churchill <pelrun@gmail.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_RDTECH_DPS_PROTOCOL_H
#define LIBSIGROK_HARDWARE_RDTECH_DPS_PROTOCOL_H
#include <stdint.h>
#include <glib.h>
#include <libsigrok/libsigrok.h>
#include "libsigrok-internal.h"
#define LOG_PREFIX "rdtech-dps"
struct rdtech_dps_model {
unsigned int id;
const char *name;
unsigned int max_current;
unsigned int max_voltage;
unsigned int max_power;
};
struct dev_context {
const struct rdtech_dps_model *model;
struct sr_sw_limits limits;
int expecting_registers;
};
enum rdtech_dps_register {
REG_USET = 0x00, /* Mirror of 0x50 */
REG_ISET = 0x01, /* Mirror of 0x51 */
REG_UOUT = 0x02,
REG_IOUT = 0x03,
REG_POWER = 0x04,
REG_UIN = 0x05,
REG_LOCK = 0x06,
REG_PROTECT = 0x07,
REG_CV_CC = 0x08,
REG_ENABLE = 0x09,
REG_BACKLIGHT = 0x0A, /* Mirror of 0x55 */
REG_MODEL = 0x0B,
REG_VERSION = 0x0C,
REG_PRESET = 0x23, /* Loads a preset into preset 0. */
/*
* Add (preset * 0x10) to each of the following, for preset 1-9.
* Preset 0 regs below are the active output settings.
*/
PRE_USET = 0x50,
PRE_ISET = 0x51,
PRE_OVPSET = 0x52,
PRE_OCPSET = 0x53,
PRE_OPPSET = 0x54,
PRE_BACKLIGHT = 0x55,
PRE_DISABLE = 0x56, /* Disable output if 0 is copied here from a preset (1 is no change). */
PRE_BOOT = 0x57, /* Enable output at boot if 1. */
};
enum rdtech_dps_state {
STATE_NORMAL = 0,
STATE_OVP = 1,
STATE_OCP = 2,
STATE_OPP = 3,
};
enum rdtech_dps_mode {
MODE_CV = 0,
MODE_CC = 1,
};
SR_PRIV int rdtech_dps_get_reg(struct sr_modbus_dev_inst *modbus, uint16_t address, uint16_t *value);
SR_PRIV int rdtech_dps_set_reg(struct sr_modbus_dev_inst *modbus, uint16_t address, uint16_t value);
SR_PRIV int rdtech_dps_get_model_version(struct sr_modbus_dev_inst *modbus,
uint16_t *model, uint16_t *version);
SR_PRIV int rdtech_dps_capture_start(const struct sr_dev_inst *sdi);
SR_PRIV int rdtech_dps_receive_data(int fd, int revents, void *cb_data);
#endif