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/*
* subsurface
*
* Copyright (C) 2014 John Van Ostrand
*
* 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
*/
// 512 bytes for each dive in the log book
struct cochran_emc_log_t {
// Pre-dive 256 bytes
unsigned char seconds, minutes, hour; // 3 bytes
unsigned char day, month, year; // 3 bytes
unsigned char sample_start_offset[4]; // 4 bytes
unsigned char start_timestamp[4]; // 4 bytes [secs from jan 1,92]
unsigned char pre_dive_timestamp[4]; // 4 bytes [secs from Jan 1,92]
unsigned char unknown1[6]; // 6 bytes
unsigned char water_conductivity; // 1 byte [0 =low, 2-high]
unsigned char unknown2[5]; // 5 bytes
//30
unsigned char sample_pre_event_offset[4]; // 4 bytes
unsigned char config_bitfield[6]; // 6 bytes
unsigned char unknown3[2]; // 2 bytes
unsigned char start_depth[2]; // 2 bytes [/256]
unsigned char unknown4[2]; // 2 bytes
unsigned char start_battery_voltage[2]; // 2 bytes [/256]
//48
unsigned char unknown5[7]; // 7 bytes
unsigned char start_temperature; // 1 byte [F]
unsigned char unknown6[28]; // 28 bytes
unsigned char sit[2]; // 2 bytes [minutes]
unsigned char number[2]; // 2 bytes
unsigned char unknown7[1]; // 1 bytes
unsigned char altitude; // 1 byte [/4 = kft]
unsigned char start_nofly[2]; // 2 bytes [/256 = hours]
//92
unsigned char unknown8[18]; // 18 bytes
unsigned char post_dive_sit[2]; // 2 bytes [seconds]
unsigned char po2_set_point[9][2]; // 18 bytes [/256 = %]
unsigned char unknown9[12]; // 12 bytes
unsigned char po2_alarm[2]; // 2 bytes [/256 = %]
//144
unsigned char o2_percent[10][2]; // 20 bytes [/256 = %]
unsigned char he_percent[10][2]; // 20 bytes [/256 = %]
unsigned char alarm_depth[2]; // 2 bytes
unsigned char unknown10[14]; // 14 bytes
unsigned char conservatism; // 1 bytes [/256 = fraction]
unsigned char unknown11[2]; // 2 bytes
unsigned char repetitive_dive; // 1 byte
unsigned char unknown12[12]; // 12 bytes
unsigned char start_tissue_nsat[20][2]; // 40 bytes [/256]
// Post-dive 256 bytes
unsigned char sample_end_offset[4]; // 4 bytes
unsigned char unknown13[33]; // 33 bytes
unsigned char temp; // 1 byte [F]
unsigned char unknown14[10]; // 10 bytes
// 48
unsigned char bt[2]; // 2 bytes [minutes]
unsigned char max_depth[2]; // 2 bytes [/4 = ft]
unsigned char unknown15[2]; // 2 bytes
unsigned char avg_depth[2]; // 2 bytes [/4 = ft]
unsigned char min_ndc[2]; // 2 bytes [minutes]
unsigned char min_ndx_bt[2]; // 2 bytes [minutes]
unsigned char max_forecast_deco[2]; // 2 bytes [minutes]
unsigned char max_forecast_deco_bt[2]; // 2 bytes [minutes]
//64
unsigned char max_ceiling[2]; // 2 bytes [*10 = ft]
unsigned char max_ceiling_bt[2]; // 2 bytes [minutes]
unsigned char unknown16[10]; // 18 bytes
unsigned char max_ascent_rate; // 1 byte [ft/min]
unsigned char unknown17[3]; // 3 bytes
unsigned char max_ascent_rate_bt[2]; // 2 bytes [seconds]
//84
unsigned char unknown18[54]; // 54 bytes
//138
unsigned char end_battery_voltage[2]; // 2 bytes [/256 = v]
unsigned char unknown19[8]; // 8 bytes
unsigned char min_temp_bt[2]; // 2 bytes [seconds]
//150
unsigned char unknown20[22]; // 22 bytes
//172
unsigned char end_nofly[2]; // 2 bytes [/256 = hours]
unsigned char alarm_count[2]; // 2 byte
unsigned char actual_deco_time[2]; // 2 bytes [seconds]
//178
unsigned char unknown21[38]; // 38 bytes
//216
unsigned char end_tissue_nsat[20][2]; // 40 bytes [/256 = fraction]
} __attribute__((packed));
typedef enum cochran_emc_bitfield_config_t {
BF_TEMP_DEPENDENT_N2,
BF_ASCENT_RATE_BAR_GRAPH,
BF_BLEND_2_SWITCHING,
BF_ALTITUDE_AS_ONE_ZONE,
BF_DECOMPRESSION_TIME_DISPLAY,
BF_BLEND_3_SWITCHING,
BF_VARIABLE_ASCENT_RATE_ALARM,
BF_ASCENT_RATE_RESPONSE,
BF_REPETITIVE_DIVE_DEPENDENT_N2,
BF_TRAINING_MODE,
BF_CONSTANT_MODE_COMPUTATIONS,
BF_DISPLAYED_UNITS,
BF_AUDIBLE_ALARM,
BF_CLOCK,
BF_CEILING_DISPLAY_DIV_BY_10,
BF_GAS_2_AS_FIRST_GAS,
BF_ENABLE_HELIUM_COMPUTATIONS,
BF_AUTOMATIC_PO2_FO2_SWITCHING,
BF_TOUCH_PROGRAMMING_PO2_FO2_SWITCH,
} cochran_emc_bitfield_config_t;
struct cochran_emc_bitfield_t {
cochran_emc_bitfield_config_t config;
unsigned char word;
unsigned char byte;
unsigned char mask;
unsigned char shift;
} cochran_emc_bitfield_t;
static struct cochran_emc_bitfield_t cochran_emc_bits[] = {
// Word BD
{ BF_TEMP_DEPENDENT_N2, 0xBD, 0, 0x40, 6 }, // 0=normal, 1=reduced
{ BF_ASCENT_RATE_BAR_GRAPH, 0xBD, 0, 0x20, 5 }, // 0=fixed, 1=proportional
{ BF_BLEND_2_SWITCHING, 0xBD, 0, 0x04, 2 }, // 0=dis, 1=ena
{ BF_ALTITUDE_AS_ONE_ZONE, 0xBD, 0, 0x02, 1}, // 0=off, 1=on
{ BF_DECOMPRESSION_TIME_DISPLAY, 0xBD, 1, 0xC0, 5}, // 111=both, 011=stop, 001=total
{ BF_BLEND_3_SWITCHING, 0xBD, 1, 0x10, 4 }, // 0=dis, 1=ena
{ BF_VARIABLE_ASCENT_RATE_ALARM, 0xBD, 1, 0x04, 3}, // 0=off, 1=on
{ BF_ASCENT_RATE_RESPONSE, 0xBD, 1, 0x07, 0},
//WORD BE
{ BF_REPETITIVE_DIVE_DEPENDENT_N2, 0xBE, 0, 0x80, 7 }, // 0=off, 1=on
{ BF_TRAINING_MODE, 0xBE, 0, 0x04, 2 }, // 0=off, 1=on
{ BF_CONSTANT_MODE_COMPUTATIONS, 0xBE, 0, 0x04, 2 }, // 0=FO2, 1=PO2
{ BF_DISPLAYED_UNITS, 0xBE, 0, 0x01, 0 }, // 1=metric, 0=imperial
// WORD BF
{ BF_AUDIBLE_ALARM, 0xBF, 0, 0x40, 6 }, // 0=on, 1=off ***
{ BF_CLOCK, 0xBF, 0, 0x20, 5 }, // 0=off, 1=on
{ BF_CEILING_DISPLAY_DIV_BY_10, 0xBF, 0, 0x10, 4 }, // 0=off, 1=on
{ BF_GAS_2_AS_FIRST_GAS, 0xBF, 0, 0x02, 1 }, // 0=dis, 1=ena
{ BF_ENABLE_HELIUM_COMPUTATIONS, 0xBF, 0, 0x01, 0 }, // 0=dis, 1=ena
{ BF_AUTOMATIC_PO2_FO2_SWITCHING, 0xBF, 1, 0x04, 2 }, // 0=dis, 1=ena
{ BF_TOUCH_PROGRAMMING_PO2_FO2_SWITCH, 0xBF, 1, 0x02, 1 }, // 0=dis, 1=ena
};
struct cochran_emc_config1_t {
unsigned char unknown1[209];
unsigned short int dive_count;
unsigned char unknown2[274];
unsigned short int serial_num;
unsigned char unknown3[24];
} __attribute__((packed));
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