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refactor

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This commit is contained in:
kuba
2025-12-20 10:17:16 +01:00
parent 61215725e5
commit eb0f11b962
11 changed files with 111 additions and 120 deletions
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src/modulator.c
+2 -76
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@@ -1,77 +1,5 @@
#include "modulator.h"
void Modulator_saveToFile(RDSModulatorParameters *emp) {
char modulatorPath[128];
snprintf(modulatorPath, sizeof(modulatorPath), "%s/.rdsModulator", getenv("HOME"));
FILE *file;
RDSModulatorParameters tempMod;
RDSModulatorParametersFile tempFile;
memset(&tempFile, 0, sizeof(tempFile));
file = fopen(modulatorPath, "rb");
if (file != NULL) {
fread(&tempFile, sizeof(RDSModulatorParametersFile), 1, file);
fclose(file);
} else {
memset(&tempFile, 0, sizeof(RDSModulatorParametersFile));
tempFile.check = 160;
memcpy(&tempFile.params, emp, sizeof(RDSModulatorParameters));
tempFile.crc = crc16_ccitt((char*)&tempFile, offsetof(RDSModulatorParametersFile, crc));
}
memcpy(&tempMod, &tempFile.params, sizeof(RDSModulatorParameters));
tempMod.level = emp->level;
tempMod.rdsgen = emp->rdsgen;
memcpy(&tempFile.params, &tempMod, sizeof(RDSModulatorParameters));
tempFile.check = 160;
tempFile.crc = crc16_ccitt((char*)&tempFile, offsetof(RDSModulatorParametersFile, crc));
file = fopen(modulatorPath, "wb");
if (file == NULL) {
perror("Error opening file");
return;
}
fwrite(&tempFile, sizeof(RDSModulatorParametersFile), 1, file);
fclose(file);
}
void Modulator_loadFromFile(RDSModulatorParameters *emp) {
char modulatorPath[128];
snprintf(modulatorPath, sizeof(modulatorPath), "%s/.rdsModulator", getenv("HOME"));
FILE *file = fopen(modulatorPath, "rb");
if (file == NULL) {
perror("Error opening file");
return;
}
RDSModulatorParametersFile tempFile;
memset(&tempFile, 0, sizeof(tempFile));
fread(&tempFile, sizeof(RDSModulatorParametersFile), 1, file);
if (tempFile.check != 160) {
fprintf(stderr, "[RDSMODULATOR-FILE] Invalid file format\n");
fclose(file);
return;
}
uint16_t calculated_crc = crc16_ccitt((char*)&tempFile, offsetof(RDSModulatorParametersFile, crc));
if (calculated_crc != tempFile.crc) {
fprintf(stderr, "[RDSMODULATOR-FILE] CRC mismatch! Data may be corrupted\n");
fclose(file);
return;
}
memcpy(emp, &tempFile.params, sizeof(RDSModulatorParameters));
fclose(file);
}
int modulatorsaved() {
char encoderPath[128];
snprintf(encoderPath, sizeof(encoderPath), "%s/.rdsModulator", getenv("HOME"));
FILE *file = fopen(encoderPath, "rb");
if (file) {
fclose(file);
return 1;
}
return 0;
}
#include "fs.h"
void init_rds_modulator(RDSModulator* rdsMod, RDSEncoder* enc, uint8_t num_streams) {
memset(rdsMod, 0, sizeof(*rdsMod));
@@ -87,9 +15,7 @@ void init_rds_modulator(RDSModulator* rdsMod, RDSEncoder* enc, uint8_t num_strea
return;
}
for (uint8_t i = 0; i < num_streams; i++) {
rdsMod->data[i].symbol_shift = i * M_PI / 2.0f;
}
for (uint8_t i = 0; i < num_streams; i++) rdsMod->data[i].symbol_shift = i * M_PI / 2.0f;
if(modulatorsaved()) Modulator_loadFromFile(&rdsMod->params);
else Modulator_saveToFile(&rdsMod->params);