mirror of
https://github.com/radio95-rnt/rds95.git
synced 2026-02-26 20:33:53 +01:00
73 lines
2.5 KiB
C
73 lines
2.5 KiB
C
#include "rds_fs.h"
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void saveToFile(RDSEncoder *enc) {
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char encoderPath[128];
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snprintf(encoderPath, sizeof(encoderPath), "%s/.rdsEncoder", getenv("HOME"));
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RDSEncoder tempEncoder;
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FILE *file = fopen(encoderPath, "rb");
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if (file) {
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fread(&tempEncoder, sizeof(RDSEncoder), 1, file);
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fclose(file);
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} else memcpy(&tempEncoder, enc, sizeof(RDSEncoder));
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memcpy(tempEncoder.data, enc->data, sizeof(RDSData) * PROGRAMS);
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memcpy(tempEncoder.rtpData, enc->rtpData, sizeof(RDSRTPlusData) * PROGRAMS * 2);
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memcpy(&tempEncoder.encoder_data, &enc->encoder_data, sizeof(RDSEncoderData));
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tempEncoder.program = enc->program;
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RDSEncoderFile rdsEncoderfile = {.file_starter = 225, .file_middle = 160, .file_ender = 95, .program = tempEncoder.program};
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memcpy(&rdsEncoderfile.data[enc->program], &tempEncoder.data[enc->program], sizeof(RDSData));
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memcpy(&rdsEncoderfile.rtpData[enc->program], &tempEncoder.rtpData[enc->program], sizeof(RDSRTPlusData) * 2);
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memcpy(&rdsEncoderfile.encoder_data, &tempEncoder.encoder_data, sizeof(RDSEncoderData));
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rdsEncoderfile.crc = crc16_ccitt((char *)&rdsEncoderfile, offsetof(RDSEncoderFile, crc));
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file = fopen(encoderPath, "wb");
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if (!file) {
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perror("Error opening file");
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return;
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}
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fwrite(&rdsEncoderfile, sizeof(RDSEncoderFile), 1, file);
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fclose(file);
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}
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void loadFromFile(RDSEncoder *enc) {
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char encoderPath[128];
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snprintf(encoderPath, sizeof(encoderPath), "%s/.rdsEncoder", getenv("HOME"));
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RDSEncoderFile rdsEncoderfile;
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FILE *file = fopen(encoderPath, "rb");
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if (!file) {
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perror("Error opening file");
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return;
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}
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fread(&rdsEncoderfile, sizeof(rdsEncoderfile), 1, file);
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fclose(file);
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if (rdsEncoderfile.file_starter != 225 || rdsEncoderfile.file_ender != 95 || rdsEncoderfile.file_middle != 160) {
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fprintf(stderr, "[RDSENCODER-FILE] Invalid file format\n");
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return;
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}
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if (crc16_ccitt((char*)&rdsEncoderfile, offsetof(RDSEncoderFile, crc)) != rdsEncoderfile.crc) {
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fprintf(stderr, "[RDSENCODER-FILE] CRC mismatch! Data may be corrupted\n");
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return;
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}
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for (int i = 0; i < PROGRAMS; i++) {
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memcpy(&(enc->data[i]), &(rdsEncoderfile.data[i]), sizeof(RDSData));
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memcpy(&(enc->rtpData[i]), &(rdsEncoderfile.rtpData[i]), sizeof(RDSRTPlusData)*2);
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}
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memcpy(&(enc->encoder_data), &(rdsEncoderfile.encoder_data), sizeof(RDSEncoderData));
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enc->program = rdsEncoderfile.program;
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}
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int isFileSaved() {
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char encoderPath[128];
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snprintf(encoderPath, sizeof(encoderPath), "%s/.rdsEncoder", getenv("HOME"));
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FILE *file = fopen(encoderPath, "rb");
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if(!file) return 0;
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fclose(file);
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return 1;
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} |