/* * Hamlib Kachina backend - main file * Copyright (c) 2001-2004 by Stephane Fillod * * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include #include /* String function definitions */ #include /* UNIX standard function definitions */ #include #include "hamlib/rig.h" #include "serial.h" #include "misc.h" #include "cal.h" #include "register.h" #include "kachina.h" /* * protocol format */ #define STX 0x02 #define ETX 0x03 #define GDCMD 0xff #define ERRCMD 0xfe /* * modes in use by the "M" command */ #define M_AM 0x01 #define M_CW 0x02 #define M_FM 0x03 #define M_USB 0x04 #define M_LSB 0x05 #define DDS_CONST 2.2369621333 #define DDS_BASE 75000000 /* uppermost 2 bits of the high byte * designating the antenna port in DDS calculation */ #define PORT_AB 0x00 #define PORT_A 0x40 #define PORT_B 0x80 #define PORT_BA 0xc0 /* * kachina_transaction * We assume that rig!=NULL, rig->state!= NULL * Otherwise, you'll get a nice seg fault. You've been warned! * TODO: error case handling */ static int kachina_transaction(RIG *rig, unsigned char cmd1, unsigned char cmd2) { int count, retval; struct rig_state *rs; unsigned char buf4[4]; rs = &rig->state; buf4[0] = STX; buf4[1] = cmd1; buf4[2] = cmd2; buf4[3] = ETX; rig_flush(rs->rigport); retval = write_block(rs->rigport, buf4, 4); if (retval != RIG_OK) { return retval; } count = read_string(rs->rigport, buf4, 1, "", 0, 0, 1); if (count != 1) { return count; } return (buf4[0] == GDCMD) ? RIG_OK : -RIG_EPROTO; } static int kachina_trans_n(RIG *rig, unsigned char cmd1, const char *data, int data_len) { int cmd_len, count, retval; struct rig_state *rs; unsigned char buf[16]; rs = &rig->state; buf[0] = STX; buf[1] = cmd1; memcpy(buf + 2, data, data_len); buf[data_len + 2] = ETX; cmd_len = data_len + 3; rig_flush(rs->rigport); retval = write_block(rs->rigport, buf, cmd_len); if (retval != RIG_OK) { return retval; } count = read_string(rs->rigport, buf, 1, "", 0, 0, 1); if (count != 1) { return count; } return (buf[0] == GDCMD) ? RIG_OK : -RIG_EPROTO; } /* * convert a frequency in Hz in the range of 30kHz to 30MHz * to DDS value, as expected by the Kachina. */ static void freq2dds(freq_t freq, int ant_port, unsigned char fbuf[4]) { double dds; unsigned long dds_ulong; dds = DDS_CONST * (DDS_BASE + freq); dds_ulong = (unsigned long)dds; /* * byte 0 transferred first, * dds is big endian format */ fbuf[0] = ant_port | ((dds_ulong >> 24) & 0x3f); fbuf[1] = (dds_ulong >> 16) & 0xff; fbuf[2] = (dds_ulong >> 8) & 0xff; fbuf[3] = dds_ulong & 0xff; } /* * kachina_set_freq * Assumes rig!=NULL */ int kachina_set_freq(RIG *rig, vfo_t vfo, freq_t freq) { int retval; unsigned char freqbuf[4]; freq2dds(freq, PORT_A, freqbuf); /* receive frequency */ retval = kachina_trans_n(rig, 'R', (char *) freqbuf, 4); if (retval != RIG_OK) { return retval; } /* transmit frequency */ retval = kachina_trans_n(rig, 'T', (char *) freqbuf, 4); if (retval != RIG_OK) { return retval; } return RIG_OK; } /* * kachina_set_mode * Assumes rig!=NULL * * FIXME: pbwidth handling */ int kachina_set_mode(RIG *rig, vfo_t vfo, rmode_t mode, pbwidth_t width) { int retval; unsigned char k_mode; switch (mode) { case RIG_MODE_CW: k_mode = M_CW; break; case RIG_MODE_USB: k_mode = M_USB; break; case RIG_MODE_LSB: k_mode = M_LSB; break; case RIG_MODE_FM: k_mode = M_FM; break; case RIG_MODE_AM: k_mode = M_AM; break; default: rig_debug(RIG_DEBUG_ERR, "%s: unsupported mode %s\n", __func__, rig_strrmode(mode)); return -RIG_EINVAL; } retval = kachina_transaction(rig, 'M', k_mode); if (retval != RIG_OK) { return retval; } return retval; } /* * kachina_get_level * Assumes rig!=NULL */ int kachina_get_level(RIG *rig, vfo_t vfo, setting_t level, value_t *val) { int i, count; unsigned char buf[32]; static const char rcv_signal_range[128] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f }; /* so far, only RAWSTR supported! */ if (level != RIG_LEVEL_RAWSTR) { return -RIG_ENIMPL; } /* telemetry sent to the PC automatically at a 50msec rate */ rig_flush(rig->state.rigport); count = read_string(rig->state.rigport, buf, 31, rcv_signal_range, 128, 0, 1); if (count < 1) { return count; } for (i = 0; i < count; i++) { if (buf[i] <= 0x7f) { break; } } val->i = buf[i]; return RIG_OK; } /* * initrigs_kachina is called by rig_backend_load */ DECLARE_INITRIG_BACKEND(kachina) { rig_debug(RIG_DEBUG_VERBOSE, "%s: _init called\n", __func__); rig_register(&k505dsp_caps); return RIG_OK; }