mirror/rtl_433
1
0
Fork 0
mirror of https://github.com/merbanan/rtl_433.git synced 2026-04-23 02:57:07 -04:00
Code Issues Packages Projects Releases Wiki Activity

Check and combine the 3 repetitions

Browse Source
This commit is contained in:
Sven Killig
2013-02-18 22:04:47 +01:00
committed by Benjamin Larsson
parent ae50b33afc
commit 7df72545ff
1 changed files with 14 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

23
src/rtl_433.c Normal file → Executable file
View File

@@ -266,22 +266,27 @@ uint16_t AD_POP(uint8_t bb[BITBUF_COLS], uint8_t bits, uint8_t bit) {
}
static int em1000_callback(uint8_t bb[BITBUF_ROWS][BITBUF_COLS]) {
//debug_callback(bb);
debug_callback(bb);
// based on fs20.c
uint8_t dec[10];
uint8_t bytes;
uint8_t bytes=0;
uint8_t bit=18; // preamble
uint8_t bb_p[14];
char* types[] = {"S", "?", "GZ"};
bytes = 0;
uint8_t checksum_calculated = 0;
uint8_t i;
// check and combine the 3 repetitions
for (i = 0; i < 14; i++) {
if(bb[0][i]==bb[1][i] || bb[0][i]==bb[2][i]) bb_p[i]=bb[0][i];
else if(bb[1][i]==bb[2][i]) bb_p[i]=bb[1][i];
else return 0;
}
// read 9 bytes with stopbit ...
uint8_t i;
for (i = 0; i < 9; i++) {
dec[i] = AD_POP (bb[0], 8, bit); bit+=8;
uint8_t stopbit=AD_POP (bb[0], 1, bit); bit+=1;
dec[i] = AD_POP (bb_p, 8, bit); bit+=8;
uint8_t stopbit=AD_POP (bb_p, 1, bit); bit+=1;
if (!stopbit) {
// fprintf(stderr, "!stopbit: %i\n", i);
return 0;
@@ -292,7 +297,7 @@ static int em1000_callback(uint8_t bb[BITBUF_ROWS][BITBUF_COLS]) {
}
// Read checksum
uint8_t checksum_received = AD_POP (bb[0], 8, bit); bit+=8;
uint8_t checksum_received = AD_POP (bb_p, 8, bit); bit+=8;
if (checksum_received != checksum_calculated) {
// fprintf(stderr, "checksum_received != checksum_calculated: %d %d\n", checksum_received, checksum_calculated);
return 0;