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// (C) 2017 <>< Joshua Allen, Under MIT/x11 License.
#include <string.h>
#include <assert.h>
#include "survive_config.h"
#include <json_helpers.h>
#define MAX_CONFIG_ENTRIES 100
#define MAX_LIGHTHOUSES 2
config_group global_config_values;
config_group lh_config[MAX_LIGHTHOUSES]; //lighthouse configs
//static uint16_t used_entries = 0;
static FILE *config_file = NULL;
const FLT* config_set_float_a(config_group *cg, const char *tag, const FLT* values, uint8_t count);
void init_config_group(config_group *cg, uint16_t count) {
uint16_t i = 0;
cg->config_entries = malloc(count*sizeof(config_entry));
cg->used_entries = 0;
cg->max_entries = count;
for (i=0;i<count;++i) {
cg->config_entries[i].data = NULL;
cg->config_entries[i].tag = NULL;
cg->config_entries[i].type = CONFIG_UNKNOWN;
cg->config_entries[i].elements = 0;
}
}
void config_init() {
uint16_t i = 0;
init_config_group(&global_config_values, MAX_CONFIG_ENTRIES);
for(i=0;i<MAX_LIGHTHOUSES;i++) {
init_config_group(lh_config+i, 9);
}
}
void config_load(const char* path) {
config_file = fopen(path, "r");
}
void config_close() {
fclose(config_file);
}
void config_set_lighthouse(struct BaseStationData* bsd, uint8_t idx) {
config_group *cg = lh_config+idx;
config_set_uint32(cg,"index", idx);
config_set_uint32(cg,"id", bsd->BaseStationID);
config_set_float_a(cg,"position", bsd->Position, 3);
config_set_float_a(cg,"quaternion", bsd->Quaternion, 4);
config_set_float_a(cg,"fcalphase", bsd->fcalphase, 2);
config_set_float_a(cg,"fcaltilt", bsd->fcaltilt,2);
config_set_float_a(cg,"fcalcurve", bsd->fcalcurve,2);
config_set_float_a(cg,"fcalgibpha", bsd->fcalgibpha,2);
config_set_float_a(cg,"fcalgibmag", bsd->fcalgibmag,2);
}
void sstrcpy(char** dest, const char *src) {
uint32_t len = strlen(src)+1;
assert(dest!=NULL);
if (*dest == NULL) {
*dest = (char*)malloc(len);
} else {
*dest = (char*)realloc(*dest, len);
}
strcpy(*dest,src);
}
config_entry* find_config_entry(config_group *cg, const char *tag) {
uint16_t i = 0;
for (i=0;i < cg->used_entries;++i) {
if ( strcmp(cg->config_entries[i].tag, tag) == 0 ) {
return cg->config_entries+i;
}
}
return NULL;
}
const char* config_read_str(config_group *cg, const char *tag, const char *def) {
config_entry *cv = find_config_entry(cg, tag);
if (cv != NULL) return cv->data;
return config_set_str(cg,tag,def);
}
uint32_t config_read_uint32(config_group *cg, const char *tag, const uint32_t def) {
config_entry *cv = find_config_entry(cg, tag);
if (cv != NULL) return cv->numeric.i;
return config_set_uint32(cg, tag, def);
}
FLT config_read_float(config_group *cg, const char *tag, const FLT def) {
config_entry *cv = find_config_entry(cg, tag);
if (cv != NULL) return cv->numeric.f;
return config_set_float(cg, tag, def);
}
config_entry* next_unused_entry(config_group *cg) {
config_entry *cv = cg->config_entries + cg->used_entries;
assert(cg->used_entries < cg->max_entries);
cg->used_entries++;
return cv;
}
const char* config_set_str(config_group *cg, const char *tag, const char* value) {
config_entry *cv = find_config_entry(cg, tag);
if (cv == NULL) cv = next_unused_entry(cg);
sstrcpy(&(cv->tag), tag);
sstrcpy(&(cv->data), value);
cv->type = CONFIG_STRING;
return value;
}
const uint32_t config_set_uint32(config_group *cg, const char *tag, const uint32_t value) {
config_entry *cv = find_config_entry(cg, tag);
if (cv == NULL) cv = next_unused_entry(cg);
sstrcpy(&(cv->tag), tag);
cv->numeric.i = value;
cv->type = CONFIG_UINT32;
return value;
}
const FLT config_set_float(config_group *cg, const char *tag, const FLT value) {
config_entry *cv = find_config_entry(cg, tag);
if (cv == NULL) cv = next_unused_entry(cg);
sstrcpy(&(cv->tag), tag);
cv->numeric.f = value;
cv->type = CONFIG_FLOAT;
return value;
}
const FLT* config_set_float_a(config_group *cg, const char *tag, const FLT* values, uint8_t count) {
config_entry *cv = find_config_entry(cg, tag);
if (cv == NULL) cv = next_unused_entry(cg);
sstrcpy(&(cv->tag), tag);
if (cv->data == NULL) {
cv->data = (char*)malloc(sizeof(FLT)*count);
}
else {
cv->data = (char*)realloc(cv->data, sizeof(FLT)*count);
}
printf("float array\n");
memcpy(cv->data,values,sizeof(FLT)*count);
cv->type = CONFIG_FLOAT_ARRAY;
cv->elements = count;
return values;
}
void _json_write_float_array(FILE* f, const char* tag, FLT* v, uint8_t count) {
#ifdef USE_DOUBLE
json_write_double_array(f,tag,v,count);
#else
json_write_float_array(f,tag,v,count);
#endif
}
void write_config_group(FILE* f, config_group *cg, char *tag) {
uint16_t i = 0;
if (tag != NULL) {
fprintf(f, "\"%s\":{\n", tag);
}
for (i=0;i < cg->used_entries;++i) {
if (cg->config_entries[i].type == CONFIG_FLOAT) {
json_write_float(f, cg->config_entries[i].tag, cg->config_entries[i].numeric.f);
} else if (cg->config_entries[i].type == CONFIG_UINT32) {
json_write_uint32(f, cg->config_entries[i].tag, cg->config_entries[i].numeric.i);
} else if (cg->config_entries[i].type == CONFIG_STRING) {
json_write_str(f, cg->config_entries[i].tag, cg->config_entries[i].data);
} else if (cg->config_entries[i].type == CONFIG_FLOAT_ARRAY) {
_json_write_float_array(f, cg->config_entries[i].tag, (FLT*)cg->config_entries[i].data, cg->config_entries[i].elements);
}
if ((i+1) < cg->used_entries) fprintf(f,",");
fprintf(f,"\n");
};
if (tag != NULL) {
fprintf(f,"}\n");
}
}
void config_save(const char* path) {
uint16_t i = 0;
FILE* f = fopen(path, "w");
write_config_group(f,&global_config_values, NULL);
write_config_group(f,lh_config, "lighthouse0");
write_config_group(f,lh_config+1, "lighthouse1");
fclose(f);
}
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