mwalbeck/rtl_433
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minor: Cleanup some decoder hex formatting

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This commit is contained in:
Christian W. Zuckschwerdt 2024-10-28 14:41:52 +01:00
parent 96976c165a
commit 41146586a5
4 changed files with 31 additions and 36 deletions

2
include/data.h
View file

@ -150,6 +150,8 @@ R_API data_t *data_dat(data_t *first, char const *key, char const *pretty_key, c
Type-safe alternative to `data_make()` and `data_append()`.
If `format` is NULL or empty then a default of "%02x" is used.
Caller needs to provide a sufficiently sized buffer.
*/
R_API data_t *data_hex(data_t *first, char const *key, char const *pretty_key, char const *format, uint8_t const *val, unsigned len, char *buf);

5
include/fatal.h
View file

@ -12,6 +12,8 @@
#ifndef INCLUDE_FATAL_H_
#define INCLUDE_FATAL_H_
#include <stdio.h> // fprintf
#define STRINGIFYX(x) #x
#define STRINGIFY(x) STRINGIFYX(x)
#define FILE_LINE __FILE__ ":" STRINGIFY(__LINE__)
@ -30,8 +32,9 @@
Use like this:
char *buf = malloc(size);
if (!buf)
if (!buf) {
FATAL_MALLOC("my_func()");
}
*/

45
src/devices/acurite.c
View file

@ -375,7 +375,6 @@ static int acurite_6045_decode(r_device *decoder, bitbuffer_t *bitbuffer, unsign
{
float tempf;
uint8_t humidity;
char raw_str[31], *rawp;
uint16_t sensor_id;
uint8_t strike_count, strike_distance;
int battery_low, active, rfi_detect;
@ -424,21 +423,6 @@ static int acurite_6045_decode(r_device *decoder, bitbuffer_t *bitbuffer, unsign
strike_distance = bb[7] & 0x1f;
rfi_detect = (bb[7] & 0x20) == 0x20;
/*
* 2018-04-21 rct - There are still a number of unknown bits in the
* message that need to be figured out. Add the raw message hex to
* to the structured data output to allow future analysis without
* having to enable debug for long running rtl_433 processes.
*/
rawp = (char *)raw_str;
for (int i=0; i < MIN(browlen, 15); i++) {
sprintf(rawp,"%02x",bb[i]);
rawp += 2;
}
*rawp = '\0';
// Flag whether this message might need further analysis
if ((bb[4] & 0x20) != 0) // unknown status bits, always off
exception++;
@ -456,10 +440,18 @@ static int acurite_6045_decode(r_device *decoder, bitbuffer_t *bitbuffer, unsign
"active", "Active Mode", DATA_INT, active,
"rfi", "RFI Detect", DATA_INT, rfi_detect,
"exception", "Data Exception", DATA_INT, exception,
"raw_msg", "Raw Message", DATA_STRING, raw_str,
NULL);
/* clang-format on */
/*
* 2018-04-21 rct - There are still a number of unknown bits in the
* message that need to be figured out. Add the raw message hex to
* to the structured data output to allow future analysis without
* having to enable debug for long running rtl_433 processes.
*/
char raw_str[31];
data = data_hex(data, "raw_msg", "Raw Message", NULL, bb, MIN(browlen, 15), raw_str);
decoder_output_data(decoder, data);
return 1; // If we got here 1 valid message was output
@ -769,18 +761,6 @@ static int acurite_atlas_decode(r_device *decoder, bitbuffer_t *bitbuffer, unsig
uint16_t sensor_id = ((bb[0] & 0x03) << 8) | bb[1];
char const *channel_str = acurite_getChannel(bb[0]);
// There are still a few unknown/unused bits in the message that
// message that could possibly hold some data. Add the raw message hex to
// to the structured data output to allow future analysis without
// having to enable debug for long running rtl_433 processes.
char raw_str[31], *rawp;
rawp = (char *)raw_str;
for (int i=0; i < MIN(browlen, 15); i++) {
sprintf(rawp,"%02x",bb[i]);
rawp += 2;
}
*rawp = '\0';
// The sensor sends the same data three times, each of these have
// an indicator of which one of the three it is. This means the
// checksum and first byte will be different for each one.
@ -922,7 +902,12 @@ static int acurite_atlas_decode(r_device *decoder, bitbuffer_t *bitbuffer, unsig
// @todo only do this if exception != 0, but would be somewhat incompatible
data = data_int(data, "exception", "Data Exception", NULL, exception);
data = data_str(data, "raw_msg", "Raw Message", NULL, raw_str);
// There are still a few unknown/unused bits in the message that
// message that could possibly hold some data. Add the raw message hex to
// to the structured data output to allow future analysis without
// having to enable debug for long running rtl_433 processes.
char raw_str[31];
data = data_hex(data, "raw_msg", "Raw Message", NULL, bb, MIN(browlen, 15), raw_str);
decoder_output_data(decoder, data);

15
src/devices/ert_idm.c
View file

@ -199,7 +199,8 @@ static int ert_idm_decode(r_device *decoder, bitbuffer_t *bitbuffer)
strncpy(p, "0x", sizeof(TamperCounters_str));
p += 2;
for (int j = 0; j < 6; j++) {
p += sprintf(p, "%02X", b[13 + j]);
// GCC-14 is confused by sprintf()
p += snprintf(p, 3, "%02X", b[13 + j]);
}
decoder_logf_bitrow(decoder, 2, __func__, &b[13], 6 * 8, "TamperCounters_str %s", TamperCounters_str);
@ -210,7 +211,8 @@ static int ert_idm_decode(r_device *decoder, bitbuffer_t *bitbuffer)
strncpy(p, "0x", sizeof(PowerOutageFlags_str));
p += 2;
for (int j = 0; j < 6; j++) {
p += sprintf(p, "%02X", b[21 + j]);
// GCC-14 is confused by sprintf()
p += snprintf(p, 3, "%02X", b[21 + j]);
}
decoder_logf_bitrow(decoder, 2, __func__, &b[21], 6 * 8, "PowerOutageFlags_str %s", PowerOutageFlags_str);
@ -449,7 +451,8 @@ static int ert_netidm_decode(r_device *decoder, bitbuffer_t *bitbuffer)
strncpy(p, "0x", sizeof(TamperCounters_str));
p += 2;
for (int j = 0; j < 6; j++) {
p += sprintf(p, "%02X", b[13 + j]);
// GCC-14 is confused by sprintf()
p += snprintf(p, 3, "%02X", b[13 + j]);
}
decoder_logf_bitrow(decoder, 2, __func__, &b[13], 6 * 8, "TamperCounters_str %s", TamperCounters_str);
@ -458,7 +461,8 @@ static int ert_netidm_decode(r_device *decoder, bitbuffer_t *bitbuffer)
strncpy(p, "0x", sizeof(Unknown_field_1_str));
p += 2;
for (int j = 0; j < 7; j++) {
p += sprintf(p, "%02X", b[19 + j]);
// GCC-14 is confused by sprintf()
p += snprintf(p, 3, "%02X", b[19 + j]);
}
decoder_logf_bitrow(decoder, 1, __func__, &b[19], 7 * 8, "Unknown_field_1 %s", Unknown_field_1_str);
@ -470,7 +474,8 @@ static int ert_netidm_decode(r_device *decoder, bitbuffer_t *bitbuffer)
strncpy(p, "0x", sizeof(Unknown_field_2_str));
p += 2;
for (int j = 0; j < 3; j++) {
p += sprintf(p, "%02X", b[29 + j]);
// GCC-14 is confused by sprintf()
p += snprintf(p, 3, "%02X", b[29 + j]);
}
decoder_logf_bitrow(decoder, 1, __func__, &b[29], 3 * 8, "Unknown_field_1 %s", Unknown_field_2_str);