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imet1rs/imet4: return crc-check

pull/11/head
Zilog80 2019-03-17 11:54:31 +01:00
rodzic 9e45da78df
commit 738c9ae5de
1 zmienionych plików z 24 dodań i 18 usunięć
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42
imet/imet1rs_dft.c
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@ -101,7 +101,7 @@ int read_signed_sample(FILE *fp) { // int = i32_t
byte = fgetc(fp);
if (byte == EOF) return EOF_INT;
if (i == 0) ret = byte;
if (bits_sample == 16) {
byte = fgetc(fp);
if (byte == EOF) return EOF_INT;
@ -347,14 +347,14 @@ packet size = 18 bytes
#define pos_GPStim 0x0D // 3 byte
#define pos_GPScrc 0x10 // 2 byte
void print_GPS(int pos) {
int print_GPS(int pos) {
float lat, lon;
int alt;
int std, min, sek;
int crc1, crc2;
int crc_val, crc;
crc1 = ((byteframe+pos)[pos_GPScrc] << 8) | (byteframe+pos)[pos_GPScrc+1];
crc2 = crc16(byteframe+pos, pos_GPScrc); // len=pos
crc_val = ((byteframe+pos)[pos_GPScrc] << 8) | (byteframe+pos)[pos_GPScrc+1];
crc = crc16(byteframe+pos, pos_GPScrc); // len=pos
lat = *(float*)(byteframe+pos+pos_GPSlat);
lon = *(float*)(byteframe+pos+pos_GPSlon);
@ -369,9 +369,11 @@ void print_GPS(int pos) {
fprintf(stdout, " alt: %dm ", alt);
fprintf(stdout, " # ");
fprintf(stdout, " CRC: %04X ", crc1);
fprintf(stdout, "- %04X ", crc2);
if (crc1 == crc2) fprintf(stdout, "[OK]"); else fprintf(stdout, "[NO]");
fprintf(stdout, " CRC: %04X ", crc_val);
fprintf(stdout, "- %04X ", crc);
if (crc_val == crc) fprintf(stdout, "[OK]"); else fprintf(stdout, "[NO]");
return (crc_val != crc);
}
@ -398,14 +400,14 @@ packet size = 20 bytes
#define pos_PTUbat 0x0B // 1 byte
#define pos_PTUcrc 0x12 // 2 byte
void print_ePTU(int pos) {
int print_ePTU(int pos) {
int P, U;
short T;
int bat, pcknum;
int crc1, crc2;
int crc_val, crc;
crc1 = ((byteframe+pos)[pos_PTUcrc] << 8) | (byteframe+pos)[pos_PTUcrc+1];
crc2 = crc16(byteframe+pos, pos_PTUcrc); // len=pos
crc_val = ((byteframe+pos)[pos_PTUcrc] << 8) | (byteframe+pos)[pos_PTUcrc+1];
crc = crc16(byteframe+pos, pos_PTUcrc); // len=pos
P = (byteframe+pos)[pos_PTUprs] | ((byteframe+pos)[pos_PTUprs+1]<<8) | ((byteframe+pos)[pos_PTUprs+2]<<16);
T = (byteframe+pos)[pos_PTUtem] | ((byteframe+pos)[pos_PTUtem+1]<<8);
@ -421,10 +423,11 @@ void print_ePTU(int pos) {
fprintf(stdout, " bat:%.1fV ", bat/10.0);
fprintf(stdout, " # ");
fprintf(stdout, " CRC: %04X ", crc1);
fprintf(stdout, "- %04X ", crc2);
if (crc1 == crc2) fprintf(stdout, "[OK]"); else fprintf(stdout, "[NO]");
fprintf(stdout, " CRC: %04X ", crc_val);
fprintf(stdout, "- %04X ", crc);
if (crc_val == crc) fprintf(stdout, "[OK]"); else fprintf(stdout, "[NO]");
return (crc_val != crc);
}
/* -------------------------------------------------------------------------- */
@ -432,6 +435,8 @@ void print_ePTU(int pos) {
int print_frame(int len) {
int i;
int framelen;
int crc_err1 = 0,
crc_err2 = 0;
if ( len < 2 || len > LEN_BYTEFRAME) return -1;
for (i = len; i < LEN_BYTEFRAME; i++) byteframe[i] = 0;
@ -453,11 +458,11 @@ int print_frame(int len) {
//else
{
if ((byteframe[0] == 0x01) && (byteframe[1] == 0x02)) { // GPS Data Packet
print_GPS(0x00); // packet offset in byteframe
crc_err1 = print_GPS(0x00); // packet offset in byteframe
fprintf(stdout, "\n");
}
if ((byteframe[pos_GPScrc+2+0] == 0x01) && (byteframe[pos_GPScrc+2+1] == 0x04)) { // PTU Data Packet
print_ePTU(pos_GPScrc+2); // packet offset in byteframe
crc_err2 = print_ePTU(pos_GPScrc+2); // packet offset in byteframe
fprintf(stdout, "\n");
}
/*
@ -466,6 +471,7 @@ int print_frame(int len) {
fprintf(stdout, "\n");
}
*/
// // if (crc_err1==0 && crc_err2==0) { }
fprintf(stdout, "\n");
}
}
@ -549,7 +555,7 @@ int main(int argc, char *argv[]) {
ptr = -1; sample_count = -1;
while ((sample=read_signed_sample(fp)) < EOF_INT) {
ptr++;
ptr++;
sample_count++;
if (ptr == N) ptr = 0;
buffer[ptr] = sample / (double)(1<<bits_sample);