Esperanza EWS-103 sensor on 433.92Mhz. More...

Functions
static int	esperanza_ews_callback (r_device decoder, bitbuffer_t bitbuffer)
	Largely the same as kedsum, s3318p. More...

Variables
static char *	output_fields []

r_device	esperanza_ews

Detailed Description

Esperanza EWS-103 sensor on 433.92Mhz.

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

◆ esperanza_ews_callback()

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

static

Largely the same as kedsum, s3318p.

See also: kedsum.c s3318p.c

Frame structure:

Byte:      0        1        2        3        4
Nibble:    1   2    3   4    5   6    7   8    9   10
Type:   00 IIIIIIII ??CCTTTT TTTTTTTT HHHHHHHH FFFFXXXX

0: Preamble
I: Random device ID
C: Channel (1-3)
T: Temperature (Little-endian)
H: Humidity (Little-endian)
F: Flags
X: CRC-4 poly 0x3 init 0x0 xor last 4 bits

Sample Data:

Esperanze EWS: TemperatureF=55.5 TemperatureC=13.1 Humidity=74 Device_id=0 Channel=1

bitbuffer:: Number of rows: 14
[00] {0} :
[01] {0} :
[02] {42} 00 53 e5 69 02 00 : 00000000 01010011 11100101 01101001 00000010 00
[03] {0} :
[04] {42} 00 53 e5 69 02 00 : 00000000 01010011 11100101 01101001 00000010 00
[05] {0} :
[06] {42} 00 53 e5 69 02 00 : 00000000 01010011 11100101 01101001 00000010 00
[07] {0} :
[08] {42} 00 53 e5 69 02 00 : 00000000 01010011 11100101 01101001 00000010 00
[09] {0} :
[10] {42} 00 53 e5 69 02 00 : 00000000 01010011 11100101 01101001 00000010 00
[11] {0} :
[12] {42} 00 53 e5 69 02 00 : 00000000 01010011 11100101 01101001 00000010 00
[13] {0} :

References bitbuffer::bb, bitbuffer_extract_bytes(), bitbuffer::bits_per_row, emontx::crc, crc4(), DATA_DOUBLE, DATA_FORMAT, DATA_INT, data_make(), DATA_STRING, decoder_output_data(), and bitbuffer::num_rows.

Variable Documentation

◆ esperanza_ews

r_device esperanza_ews

Initial value:

= {
    .name           = "Esperanza EWS",
    .modulation     = OOK_PULSE_PPM,
    .short_width    = 2000,
    .long_width     = 4000,
    .gap_limit      = 4400,
    .reset_limit    = 9400,
    .decode_fn      = &esperanza_ews_callback,
    .disabled       = 0,
    .fields         = output_fields,
}

◆ output_fields

char* output_fields[]