rdtech-dps: Send META package when states have changed.

[libsigrok.git] / src / hardware / rdtech-dps / protocol.h

diff --git a/src/hardware/rdtech-dps/protocol.h b/src/hardware/rdtech-dps/protocol.h
index a5747fd8958eb91054db40fc306f6ba2cbdf6116..d6619e5301321d109b68e3daa5156697a134e3d4 100644 (file)
--- a/src/hardware/rdtech-dps/protocol.h
+++ b/src/hardware/rdtech-dps/protocol.h
@@ -2,6 +2,7 @@
  * This file is part of the libsigrok project.
  *
  * Copyright (C) 2018 James Churchill <pelrun@gmail.com>
+ * Copyright (C) 2019 Frank Stettner <frank-stettner@gmx.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
@@ -27,9 +28,80 @@
 
 #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;
+       unsigned int current_digits;
+       unsigned int voltage_digits;
+};
+
 struct dev_context {
+       const struct rdtech_dps_model *model;
+       struct sr_sw_limits limits;
+       GMutex rw_mutex;
+       double current_multiplier;
+       double voltage_multiplier;
+       gboolean actual_ovp_state;
+       gboolean actual_ocp_state;
+       uint16_t actual_regulation_state;
+       uint16_t actual_output_state;
+};
+
+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_read_holding_registers(struct sr_modbus_dev_inst *modbus,
+               int address, int nb_registers, uint16_t *registers);
+
+SR_PRIV int rdtech_dps_get_reg(const struct sr_dev_inst *sdi, uint16_t address, uint16_t *value);
+SR_PRIV int rdtech_dps_set_reg(const struct sr_dev_inst *sdi, 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_receive_data(int fd, int revents, void *cb_data);
 
 #endif