ESIC EMT7110 power meter (for EMR7370 receiver). More...

Functions
static int	esic_emt7110_decode (r_device decoder, bitbuffer_t bitbuffer)
	ESIC EMT7110 power meter (for EMR7370 receiver). More...

Variables
static char *	output_fields []

r_device	esic_emt7110

Detailed Description

ESIC EMT7110 power meter (for EMR7370 receiver).

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 2 of the License, or (at your option) any later version.

Function Documentation

◆ esic_emt7110_decode()

static int esic_emt7110_decode	(	r_device *	decoder,
		bitbuffer_t *	bitbuffer
	)

static

ESIC EMT7110 power meter (for EMR7370 receiver).

Center Frequency: 868.28 MHz
Modulation: FSK
Deviation: +/- 90 kHz
Datarate: 9.579 kbit/s
Preamble: 0xAAAA
Sync-Word: 0x2DD4

A transmission is two packets, 14 ms apart.

Data Layout:

II II II II FP PP CC CC VV UE EE XX

I: (32 bit) byte 0-3: Sender ID
F: (2 bit) byte 4 bit 7/6: Bit6 = power connected, Bit7 = Pairing mode
P: (14 bit) byte 4 bit 5-0, byte 5: Power in 0.5 W
C: (16 bit) byte 6-7: Current in mA
V: (8 bit) byte 8: Voltage in V, Scaled by 2, Offset by 128 V
U: (2 bit) byte 9 bit 7/6: unknown
E: (14 bit) byte 9 bit 5-0, byte 10 Energyusage, total, in 10 Wh (0.01 kWh)
X: (8 bit) byte 11: Sum of all 11 data bytes plus CHK is 0 (mod 256)

References add_bytes(), bitbuffer_extract_bytes(), bitbuffer_search(), bitbuffer::bits_per_row, DATA_DOUBLE, DATA_FORMAT, DATA_INT, data_make(), DATA_STRING, DECODE_ABORT_EARLY, DECODE_ABORT_LENGTH, DECODE_FAIL_MIC, decoder_output_data(), bitbuffer::num_rows, and preamble.

Variable Documentation

◆ esic_emt7110

r_device esic_emt7110

Initial value:

= {
        .name        = "ESIC EMT7110 power meter",
        .modulation  = FSK_PULSE_PCM,
        .short_width = 104,
        .long_width  = 104,
        .reset_limit = 10000,
        .decode_fn   = &esic_emt7110_decode,
        .disabled    = 0,
        .fields      = output_fields,
}

◆ output_fields

char* output_fields[]