void test_suite_1(void) {
JSON_Value *val;
TEST((val = json_parse_file("tests/test_1_1.txt")) != NULL);
TEST(json_value_equals(json_parse_string(json_serialize_to_string(val)), val));
TEST(json_value_equals(json_parse_string(json_serialize_to_string_pretty(val)), val));
if (val) { json_value_free(val); }
TEST((val = json_parse_file("tests/test_1_2.txt")) != NULL);
TEST(json_value_equals(json_parse_string(json_serialize_to_string(val)), val));
TEST(json_value_equals(json_parse_string(json_serialize_to_string_pretty(val)), val));
if (val) { json_value_free(val); }
TEST((val = json_parse_file("tests/test_1_3.txt")) != NULL);
TEST(json_value_equals(json_parse_string(json_serialize_to_string(val)), val));
TEST(json_value_equals(json_parse_string(json_serialize_to_string_pretty(val)), val));
if (val) { json_value_free(val); }
TEST((val = json_parse_file_with_comments("tests/test_1_1.txt")) != NULL);
TEST(json_value_equals(json_parse_string(json_serialize_to_string(val)), val));
TEST(json_value_equals(json_parse_string(json_serialize_to_string_pretty(val)), val));
if (val) { json_value_free(val); }
TEST((val = json_parse_file_with_comments("tests/test_1_2.txt")) != NULL);
TEST(json_value_equals(json_parse_string(json_serialize_to_string(val)), val));
TEST(json_value_equals(json_parse_string(json_serialize_to_string_pretty(val)), val));
if (val) { json_value_free(val); }
TEST((val = json_parse_file_with_comments("tests/test_1_3.txt")) != NULL);
TEST(json_value_equals(json_parse_string(json_serialize_to_string(val)), val));
TEST(json_value_equals(json_parse_string(json_serialize_to_string_pretty(val)), val));
if (val) { json_value_free(val); }
}
int parse_gateway_configuration(const char * conf_file) {
const char conf_obj[] = "gateway_conf";
JSON_Value *root_val;
JSON_Object *root = NULL;
JSON_Object *conf = NULL;
const char *str; /* pointer to sub-strings in the JSON data */
unsigned long long ull = 0;
/* try to parse JSON */
root_val = json_parse_file_with_comments(conf_file);
root = json_value_get_object(root_val);
if (root == NULL) {
MSG("ERROR: %s id not a valid JSON file\n", conf_file);
exit(EXIT_FAILURE);
}
conf = json_object_get_object(root, conf_obj);
if (conf == NULL) {
MSG("INFO: %s does not contain a JSON object named %s\n", conf_file, conf_obj);
return -1;
} else {
MSG("INFO: %s does contain a JSON object named %s, parsing gateway parameters\n", conf_file, conf_obj);
}
/* getting network parameters (only those necessary for the packet logger) */
str = json_object_get_string(conf, "gateway_ID");
if (str != NULL) {
sscanf(str, "%llx", &ull);
lgwm = ull;
MSG("INFO: gateway MAC address is configured to %016llX\n", ull);
}
json_value_free(root_val);
return 0;
}
void test_suite_2_with_comments(void) {
const char *filename = "tests/test_2_comments.txt";
JSON_Value *root_value = NULL;
root_value = json_parse_file_with_comments(filename);
test_suite_2(root_value);
TEST(json_value_equals(root_value, json_parse_string(json_serialize_to_string(root_value))));
json_value_free(root_value);
}
/* 3 test files from json.org */
void test_suite_1(void) {
JSON_Value *val;
TEST((val = json_parse_file("tests/test_1_1.txt")) != NULL);
if (val) { json_value_free(val); }
TEST((val = json_parse_file("tests/test_1_2.txt")) != NULL);
if (val) { json_value_free(val); }
TEST((val = json_parse_file("tests/test_1_3.txt")) != NULL);
if (val) { json_value_free(val); }
TEST((val = json_parse_file_with_comments("tests/test_1_1.txt")) != NULL);
if (val) { json_value_free(val); }
TEST((val = json_parse_file_with_comments("tests/test_1_2.txt")) != NULL);
if (val) { json_value_free(val); }
TEST((val = json_parse_file_with_comments("tests/test_1_3.txt")) != NULL);
if (val) { json_value_free(val); }
}
void test_suite_2_with_comments(void) {
const char *filename = "tests/test_2_comments.txt";
JSON_Value *root_value = NULL;
printf("Testing %s:\n", filename);
root_value = json_parse_file_with_comments(filename);
test_suite_2(root_value);
json_value_free(root_value);
}
//TODO: going to need logic to handle incomplete config files
void parse_file( char type, char *json, params_t *par ){
/* Parse file and populate applicable data structures */
uint64_t i;
JSON_Value *root_value = NULL;
JSON_Object *root_object;
JSON_Array *array;
if( type == 'f' )
root_value = json_parse_file_with_comments( json );
else
root_value = json_parse_string_with_comments( json );
root_object = json_value_get_object( root_value );
par->nQ = (uint64_t) json_object_dotget_number( root_object, "scalars.nq" );
par->L = (uint64_t) json_object_dotget_number( root_object, "scalars.lrgs" );
par->res = (uint64_t) json_object_dotget_number( root_object, "scalars.res" );
par->T = json_object_dotget_number( root_object, "scalars.t" );
par->dt = json_object_dotget_number( root_object, "scalars.dt" );
par->al = (double *)malloc( (par->nQ)*sizeof(double) );
par->de = (double *)malloc( (par->nQ)*sizeof(double) );
par->be = (double *)malloc( ((par->nQ)*((par->nQ)-1)/2)*sizeof(double) );
array = json_object_dotget_array( root_object, "coefficients.alpha" );
if( array != NULL ){
for( i = 0; i < json_array_get_count(array); i++ ){
(par->al)[i] = -json_array_get_number( array, i );
}
}
array = json_object_dotget_array( root_object, "coefficients.beta" );
if( array != NULL ){
for( i = 0; i < json_array_get_count(array); i++ ){
(par->be)[i] = -json_array_get_number( array, i );
}
}
array = json_object_dotget_array( root_object, "coefficients.delta" );
if( array != NULL ){
for( i = 0; i < json_array_get_count(array); i++ ){
(par->de)[i] = -json_array_get_number( array, i );
}
}
json_value_free( root_value );
}
int parse_SX1301_configuration(const char * conf_file) {
int i;
const char conf_obj[] = "SX1301_conf";
char param_name[32]; /* used to generate variable parameter names */
const char *str; /* used to store string value from JSON object */
struct lgw_conf_board_s boardconf;
struct lgw_conf_rxrf_s rfconf;
struct lgw_conf_rxif_s ifconf;
JSON_Value *root_val;
JSON_Object *root = NULL;
JSON_Object *conf = NULL;
JSON_Value *val;
uint32_t sf, bw;
/* try to parse JSON */
root_val = json_parse_file_with_comments(conf_file);
root = json_value_get_object(root_val);
if (root == NULL) {
MSG("ERROR: %s id not a valid JSON file\n", conf_file);
exit(EXIT_FAILURE);
}
conf = json_object_get_object(root, conf_obj);
if (conf == NULL) {
MSG("INFO: %s does not contain a JSON object named %s\n", conf_file, conf_obj);
return -1;
} else {
MSG("INFO: %s does contain a JSON object named %s, parsing SX1301 parameters\n", conf_file, conf_obj);
}
/* set board configuration */
memset(&boardconf, 0, sizeof boardconf); /* initialize configuration structure */
val = json_object_get_value(conf, "lorawan_public"); /* fetch value (if possible) */
if (json_value_get_type(val) == JSONBoolean) {
boardconf.lorawan_public = (bool)json_value_get_boolean(val);
} else {
MSG("WARNING: Data type for lorawan_public seems wrong, please check\n");
boardconf.lorawan_public = false;
}
val = json_object_get_value(conf, "clksrc"); /* fetch value (if possible) */
if (json_value_get_type(val) == JSONNumber) {
boardconf.clksrc = (uint8_t)json_value_get_number(val);
} else {
MSG("WARNING: Data type for clksrc seems wrong, please check\n");
boardconf.clksrc = 0;
}
MSG("INFO: lorawan_public %d, clksrc %d\n", boardconf.lorawan_public, boardconf.clksrc);
/* all parameters parsed, submitting configuration to the HAL */
if (lgw_board_setconf(boardconf) != LGW_HAL_SUCCESS) {
MSG("WARNING: Failed to configure board\n");
}
/* set configuration for RF chains */
for (i = 0; i < LGW_RF_CHAIN_NB; ++i) {
memset(&rfconf, 0, sizeof(rfconf)); /* initialize configuration structure */
sprintf(param_name, "radio_%i", i); /* compose parameter path inside JSON structure */
val = json_object_get_value(conf, param_name); /* fetch value (if possible) */
if (json_value_get_type(val) != JSONObject) {
MSG("INFO: no configuration for radio %i\n", i);
continue;
}
/* there is an object to configure that radio, let's parse it */
sprintf(param_name, "radio_%i.enable", i);
val = json_object_dotget_value(conf, param_name);
if (json_value_get_type(val) == JSONBoolean) {
rfconf.enable = (bool)json_value_get_boolean(val);
} else {
rfconf.enable = false;
}
if (rfconf.enable == false) { /* radio disabled, nothing else to parse */
MSG("INFO: radio %i disabled\n", i);
} else { /* radio enabled, will parse the other parameters */
snprintf(param_name, sizeof param_name, "radio_%i.freq", i);
rfconf.freq_hz = (uint32_t)json_object_dotget_number(conf, param_name);
snprintf(param_name, sizeof param_name, "radio_%i.rssi_offset", i);
rfconf.rssi_offset = (float)json_object_dotget_number(conf, param_name);
snprintf(param_name, sizeof param_name, "radio_%i.type", i);
str = json_object_dotget_string(conf, param_name);
if (!strncmp(str, "SX1255", 6)) {
rfconf.type = LGW_RADIO_TYPE_SX1255;
} else if (!strncmp(str, "SX1257", 6)) {
rfconf.type = LGW_RADIO_TYPE_SX1257;
} else {
MSG("WARNING: invalid radio type: %s (should be SX1255 or SX1257)\n", str);
}
snprintf(param_name, sizeof param_name, "radio_%i.tx_enable", i);
val = json_object_dotget_value(conf, param_name);
if (json_value_get_type(val) == JSONBoolean) {
rfconf.tx_enable = (bool)json_value_get_boolean(val);
} else {
rfconf.tx_enable = false;
}
MSG("INFO: radio %i enabled (type %s), center frequency %u, RSSI offset %f, tx enabled %d\n", i, str, rfconf.freq_hz, rfconf.rssi_offset, rfconf.tx_enable);
}
/* all parameters parsed, submitting configuration to the HAL */
if (lgw_rxrf_setconf(i, rfconf) != LGW_HAL_SUCCESS) {
MSG("WARNING: invalid configuration for radio %i\n", i);
}
}
/* set configuration for LoRa multi-SF channels (bandwidth cannot be set) */
for (i = 0; i < LGW_MULTI_NB; ++i) {
memset(&ifconf, 0, sizeof(ifconf)); /* initialize configuration structure */
sprintf(param_name, "chan_multiSF_%i", i); /* compose parameter path inside JSON structure */
val = json_object_get_value(conf, param_name); /* fetch value (if possible) */
if (json_value_get_type(val) != JSONObject) {
MSG("INFO: no configuration for LoRa multi-SF channel %i\n", i);
continue;
}
/* there is an object to configure that LoRa multi-SF channel, let's parse it */
sprintf(param_name, "chan_multiSF_%i.enable", i);
val = json_object_dotget_value(conf, param_name);
if (json_value_get_type(val) == JSONBoolean) {
ifconf.enable = (bool)json_value_get_boolean(val);
} else {
ifconf.enable = false;
}
if (ifconf.enable == false) { /* LoRa multi-SF channel disabled, nothing else to parse */
MSG("INFO: LoRa multi-SF channel %i disabled\n", i);
} else { /* LoRa multi-SF channel enabled, will parse the other parameters */
sprintf(param_name, "chan_multiSF_%i.radio", i);
ifconf.rf_chain = (uint32_t)json_object_dotget_number(conf, param_name);
sprintf(param_name, "chan_multiSF_%i.if", i);
ifconf.freq_hz = (int32_t)json_object_dotget_number(conf, param_name);
// TODO: handle individual SF enabling and disabling (spread_factor)
MSG("INFO: LoRa multi-SF channel %i enabled, radio %i selected, IF %i Hz, 125 kHz bandwidth, SF 7 to 12\n", i, ifconf.rf_chain, ifconf.freq_hz);
}
/* all parameters parsed, submitting configuration to the HAL */
if (lgw_rxif_setconf(i, ifconf) != LGW_HAL_SUCCESS) {
MSG("WARNING: invalid configuration for LoRa multi-SF channel %i\n", i);
}
}
/* set configuration for LoRa standard channel */
memset(&ifconf, 0, sizeof(ifconf)); /* initialize configuration structure */
val = json_object_get_value(conf, "chan_Lora_std"); /* fetch value (if possible) */
if (json_value_get_type(val) != JSONObject) {
MSG("INFO: no configuration for LoRa standard channel\n");
} else {
val = json_object_dotget_value(conf, "chan_Lora_std.enable");
if (json_value_get_type(val) == JSONBoolean) {
ifconf.enable = (bool)json_value_get_boolean(val);
} else {
ifconf.enable = false;
}
if (ifconf.enable == false) {
MSG("INFO: LoRa standard channel %i disabled\n", i);
} else {
ifconf.rf_chain = (uint32_t)json_object_dotget_number(conf, "chan_Lora_std.radio");
ifconf.freq_hz = (int32_t)json_object_dotget_number(conf, "chan_Lora_std.if");
bw = (uint32_t)json_object_dotget_number(conf, "chan_Lora_std.bandwidth");
switch(bw) {
case 500000: ifconf.bandwidth = BW_500KHZ; break;
case 250000: ifconf.bandwidth = BW_250KHZ; break;
case 125000: ifconf.bandwidth = BW_125KHZ; break;
default: ifconf.bandwidth = BW_UNDEFINED;
}
sf = (uint32_t)json_object_dotget_number(conf, "chan_Lora_std.spread_factor");
switch(sf) {
case 7: ifconf.datarate = DR_LORA_SF7; break;
case 8: ifconf.datarate = DR_LORA_SF8; break;
case 9: ifconf.datarate = DR_LORA_SF9; break;
case 10: ifconf.datarate = DR_LORA_SF10; break;
case 11: ifconf.datarate = DR_LORA_SF11; break;
case 12: ifconf.datarate = DR_LORA_SF12; break;
default: ifconf.datarate = DR_UNDEFINED;
}
MSG("INFO: LoRa standard channel enabled, radio %i selected, IF %i Hz, %u Hz bandwidth, SF %u\n", ifconf.rf_chain, ifconf.freq_hz, bw, sf);
}
if (lgw_rxif_setconf(8, ifconf) != LGW_HAL_SUCCESS) {
MSG("WARNING: invalid configuration for LoRa standard channel\n");
}
}
/* set configuration for FSK channel */
memset(&ifconf, 0, sizeof(ifconf)); /* initialize configuration structure */
val = json_object_get_value(conf, "chan_FSK"); /* fetch value (if possible) */
if (json_value_get_type(val) != JSONObject) {
MSG("INFO: no configuration for FSK channel\n");
} else {
val = json_object_dotget_value(conf, "chan_FSK.enable");
if (json_value_get_type(val) == JSONBoolean) {
ifconf.enable = (bool)json_value_get_boolean(val);
} else {
ifconf.enable = false;
}
if (ifconf.enable == false) {
MSG("INFO: FSK channel %i disabled\n", i);
} else {
ifconf.rf_chain = (uint32_t)json_object_dotget_number(conf, "chan_FSK.radio");
ifconf.freq_hz = (int32_t)json_object_dotget_number(conf, "chan_FSK.if");
bw = (uint32_t)json_object_dotget_number(conf, "chan_FSK.bandwidth");
if (bw <= 7800) ifconf.bandwidth = BW_7K8HZ;
else if (bw <= 15600) ifconf.bandwidth = BW_15K6HZ;
else if (bw <= 31200) ifconf.bandwidth = BW_31K2HZ;
else if (bw <= 62500) ifconf.bandwidth = BW_62K5HZ;
else if (bw <= 125000) ifconf.bandwidth = BW_125KHZ;
else if (bw <= 250000) ifconf.bandwidth = BW_250KHZ;
else if (bw <= 500000) ifconf.bandwidth = BW_500KHZ;
else ifconf.bandwidth = BW_UNDEFINED;
ifconf.datarate = (uint32_t)json_object_dotget_number(conf, "chan_FSK.datarate");
MSG("INFO: FSK channel enabled, radio %i selected, IF %i Hz, %u Hz bandwidth, %u bps datarate\n", ifconf.rf_chain, ifconf.freq_hz, bw, ifconf.datarate);
}
if (lgw_rxif_setconf(9, ifconf) != LGW_HAL_SUCCESS) {
MSG("WARNING: invalid configuration for FSK channel\n");
}
}
json_value_free(root_val);
return 0;
}
/*------------------------------------------------------------------
- Config file format - simplify, don't need xml, but like the structure
{
"scalars" : {
"nq" : 3,
"lrgs" : 4,
"print" : true
"t" : 10.0,
"dt" : 0.1
},
"coefficients" : {
"alpha" : [0.112, 0.234, 0.253],
"beta" : [0.453, 0.533, -0.732, 0.125, -0.653, 0.752],
"delta" : [1.0, 1.0, 1.0]
}
}
------------------------------------------------------------------*/
int main( int argc, char **argv ){
double *hz, *hhxh; /* hamiltonian components */
double *al, *be, *de;
fftw_complex *psi; /* State vector */
fftw_complex factor;
double T = 10.0, dt = 0.1;
uint64_t i, j, k, bcount;
uint64_t nQ=3, N, L=4, dim;
int *fft_dims, prnt=0;
uint64_t testi, testj;
int dzi, dzj; //TODO: consider using smaller vars for flags and these
fftw_plan plan;
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Parse configuration file
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
//TODO: going to need logic to handle incomplete config files
if( argc < 2 ){
fprintf( stderr, "Need a json configuration file. Terminating...\n" );
return 1;
}
/* Parse file and populate applicable data structures */
{
JSON_Value *root_value = NULL;
JSON_Object *root_object;
JSON_Array *array;
root_value = json_parse_file_with_comments( argv[1] );
root_object = json_value_get_object( root_value );
nQ = (uint64_t) json_object_dotget_number( root_object, "scalars.nq" );
prnt = json_object_dotget_boolean( root_object, "scalars.print" );
L = (uint64_t) json_object_dotget_number( root_object, "scalars.lrgs" );
T = json_object_dotget_number( root_object, "scalars.t" );
dt = json_object_dotget_number( root_object, "scalars.dt" );
al = (double *)malloc( nQ*sizeof(double) );
de = (double *)malloc( nQ*sizeof(double) );
be = (double *)malloc( (nQ*(nQ-1)/2)*sizeof(double) );
array = json_object_dotget_array( root_object, "coefficients.alpha" );
if( array != NULL ){
for( i = 0; i < json_array_get_count(array); i++ ){
al[i] = -json_array_get_number( array, i );
}
}
array = json_object_dotget_array( root_object, "coefficients.beta" );
if( array != NULL ){
for( i = 0; i < json_array_get_count(array); i++ ){
be[i] = -json_array_get_number( array, i );
}
}
array = json_object_dotget_array( root_object, "coefficients.delta" );
if( array != NULL ){
for( i = 0; i < json_array_get_count(array); i++ ){
de[i] = -json_array_get_number( array, i );
}
}
json_value_free( root_value );
}
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Compute the Hamiltonian and state vector for the simulation
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
/*
Create state vector and initialize to 1/sqrt(2^n)*(|00...0> + ... + |11...1>)
TODO: keep track of local size and local base
*/
dim = 1 << nQ;
factor = 1.0/sqrt( dim );
fft_dims = (int *)malloc( nQ*sizeof(int) );
psi = (fftw_complex *)malloc( (dim)*sizeof(fftw_complex) );
hz = (double *)calloc( (dim),sizeof(double) );
hhxh = (double *)calloc( (dim),sizeof(double) );
for( i = 0; i < nQ; i++ ){
fft_dims[i] = 2;
}
plan = fftw_plan_dft( nQ, fft_dims, psi, psi, FFTW_FORWARD, FFTW_MEASURE );
/*
Assemble Hamiltonian and state vector
*/
for( k = 0; k < dim; k++ ){
//TODO: when parallelized, k in dzi test will be ~(k + base)
bcount = 0;
for( i = 0; i < nQ; i++ ){
testi = 1 << (nQ - i - 1);
dzi = ((k/testi) % 2 == 0) ? 1 : -1;
hz[k] += al[i] * dzi;
hhxh[k] += de[i] * dzi;
for( j = i; j < nQ; j++ ){
testj = 1 << (nQ - j - 1);
dzj = ((k/testj) % 2 == 0) ? 1 : -1;
hz[k] += be[bcount] * dzi * dzj;
bcount++;
}
}
psi[k] = factor;
}
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Run the Simulation
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
fftw_complex cz, cx;
double t;
N = (uint64_t)(T / dt);
for( i = 0; i < N; i++ ){
t = i*dt;
//t0 = (i-1)*dt;
//Time-dependent coefficients
cz = (-dt * I)*t/(2.0*T);
cx = (-dt * I)*(1 - t/T);
//Evolve system
expMatTimesVec( psi, hz, cz, dim ); //apply Z part
fftw_execute( plan );
expMatTimesVec( psi, hhxh, cx, dim ); //apply X part
fftw_execute( plan );
expMatTimesVec( psi, hz, cz, dim ); //apply Z part
/*
TODO: can probably get some minor speedup by incorporating this
into expMatTimesVec if needed
*/
scaleVec( psi, 1.0/dim, dim );
}
fftw_destroy_plan( plan );
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Check solution and clean up
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
//TODO: locally, collect all local largests on one
// node, find k largest from that subset
if( prnt && nQ < 6 ){
for( i = 0; i < dim; i++ ){
printf( "psi[%d] = (%f, %f)\t%f\n",
i,
creal( psi[i] ),
cimag( psi[i] ),
cabs( psi[i]*psi[i] ) );
}
} else {
uint64_t *largest = (uint64_t *)calloc( L, sizeof(uint64_t) );
findLargest( largest, psi, dim, L );
for( i = 0; i < L; ++i ){
printf( "psi[%d] = (%f, %f)\t%f\n",
i,
creal( psi[largest[L-1-i]] ),
cimag( psi[largest[L-1-i]] ),
cabs( psi[largest[L-1-i]]*psi[largest[L-1-i]] ) );
}
free( largest );
}
/*
Free work space.
*/
fftw_free( psi );
free( fft_dims );
free( hz );
free( hhxh );
return 0;
}
int main(){
int i, nQ, lrgs;
double t, dt;
double *al, *be, *de;
JSON_Value *root_value = NULL;
JSON_Object *root_object;
//JSON_Object *scalar_object;
//JSON_Object *coeff_object;
JSON_Array *array;
root_value = json_parse_file_with_comments( "config.json" );
root_object = json_value_get_object( root_value );
//scalar_object = json_value_get_object( root_object, );
//coeff_object = json_value_get_object( root_value );
nQ = (int)json_object_dotget_number( root_object, "scalars.NQ" );
lrgs = (int)json_object_dotget_number( root_object, "scalars.LRGS" );
t = json_object_dotget_number( root_object, "scalars.T" );
dt = json_object_dotget_number( root_object, "scalars.DT" );
al = (double *)malloc( nQ*sizeof(double) );
be = (double *)malloc( ((nQ*(nQ-1))/2)*sizeof(double) );
de = (double *)malloc( nQ*sizeof(double) );
array = json_object_dotget_array( root_object, "coefficients.ALPHA" );
if( array != NULL ){
for( i = 0; i < json_array_get_count(array); i++ ){
al[i] = json_array_get_number( array, i );
}
}
array = json_object_dotget_array( root_object, "coefficients.BETA" );
if( array != NULL ){
for( i = 0; i < json_array_get_count(array); i++ ){
be[i] = json_array_get_number( array, i );
}
}
array = json_object_dotget_array( root_object, "coefficients.DELTA" );
if( array != NULL ){
for( i = 0; i < json_array_get_count(array); i++ ){
de[i] = json_array_get_number( array, i );
}
}
json_value_free(root_value);
printf("nQ = %d\n", nQ);
printf("lrgs = %d\n", lrgs);
printf("t = %f\n", t);
printf("dt = %f\n\n", dt);
for( i = 0; i < nQ; i++ ){
printf("al[%d] = %f ", i, al[i]);
}
printf("\n\n");
for( i = 0; i < (nQ*nQ-nQ)/2; i++ ){
printf("be[%d] = %f ", i, be[i]);
}
printf("\n\n");
for( i = 0; i < nQ; i++ ){
printf("de[%d] = %f ", i, de[i]);
}
printf("\n\n");
free(al); free(be); free(de);
return 0;
}
int config_parse(const char *file, config_t *config)
{
JSON_Value *jvroot;
JSON_Object *joroot;
JSON_Object *jomaccmd;
JSON_Array *jarray;
JSON_Value_Type jtype;
const char *string;
int ret;
int i;
if(file == NULL){
return -1;
}
/** Clear all flags */
config_free(config);
printf("Start parsing configuration file....\n\n");
/* parsing json and validating output */
jvroot = json_parse_file_with_comments(file);
jtype = json_value_get_type(jvroot);
if (jtype != JSONObject) {
return -1;
}
joroot = json_value_get_object(jvroot);
string = json_object_get_string(joroot, "band");
if(string == NULL){
config->band = LW_BAND_EU868;
}else{
for(i=0; i<LW_BAND_MAX_NUM; i++){
if(0 == strcmp(string, config_band_tab[i])){
config->band = (lw_band_t)i;
break;
}
}
if(i==LW_BAND_MAX_NUM){
config->band = LW_BAND_EU868;
}
}
string = json_object_dotget_string(joroot, "key.nwkskey");
if(string != NULL){
if(str2hex(string, config->nwkskey, 16) == 16){
config->flag |= CFLAG_NWKSKEY;
}
}
string = json_object_dotget_string(joroot, "key.appskey");
if(string != NULL){
if(str2hex(string, config->appskey, 16) == 16){
config->flag |= CFLAG_APPSKEY;
}
}
string = json_object_dotget_string(joroot, "key.appkey");
if(string != NULL){
if(str2hex(string, config->appkey, 16) == 16){
config->flag |= CFLAG_APPKEY;
}
}
ret = json_object_dotget_boolean(joroot, "join.key");
if(ret==0){
//printf("Join key false\n");
config->joinkey = false;
}else if(ret==1){
//printf("Join key true\n");
config->joinkey = true;
}else{
//printf("Unknown join key value\n");
config->joinkey = false;
}
string = json_object_dotget_string(joroot, "join.request");
if(string != NULL){
uint8_t tmp[255];
int len;
len = str2hex(string, tmp, 255);
if(len>0){
config->flag |= CFLAG_JOINR;
config->joinr = malloc(len);
if(config->joinr == NULL){
return -2;
}
config->joinr_size = len;
memcpy(config->joinr, tmp, config->joinr_size);
}
}
string = json_object_dotget_string(joroot, "join.accept");
if(string != NULL){
uint8_t tmp[255];
int len;
len = str2hex(string, tmp, 255);
if(len>0){
config->flag |= CFLAG_JOINA;
config->joina = malloc(len);
if(config->joina == NULL){
return -3;
}
config->joina_size = len;
memcpy(config->joina, tmp, config->joina_size);
}
}
jarray = json_object_get_array(joroot, "messages");
if(jarray != NULL){
uint8_t tmp[255];
for (i = 0; i < json_array_get_count(jarray); i++) {
string = json_array_get_string(jarray, i);
if(string!=NULL){
int len = str2hex(string, tmp, 255);
if(len>0){
message_t *pl = malloc(sizeof(message_t));
memset(pl, 0, sizeof(message_t));
if(pl == NULL){
return -3;
}
pl->buf = malloc(len);
if(pl->buf == NULL){
return -3;
}
pl->len = len;
memcpy(pl->buf, tmp, pl->len);
pl_insert(&config->message, pl);
}else{
printf("Messages[%d] \"%s\" is not hex string\n", i, string);
}
}else{
printf("Messages item %d is not string\n", i);
}
}
}else{
printf("Can't get payload array\n");
}
jarray = json_object_get_array(joroot, "maccommands");
if(jarray != NULL){
uint8_t mhdr;
int len;
uint8_t tmp[255];
for (i = 0; i < json_array_get_count(jarray); i++) {
jomaccmd = json_array_get_object(jarray, i);
string = json_object_get_string(jomaccmd, "MHDR");
if(string != NULL){
len = str2hex(string, &mhdr, 1);
if(len != 1){
printf("\"maccommands\"[%d].MHDR \"%s\" must be 1 byte hex string\n", i, string);
continue;
}
}else{
string = json_object_get_string(jomaccmd, "direction");
if(string != NULL){
int j;
len = strlen(string);
if(len>200){
printf("\"maccommands\"[%d].direction \"%s\" too long\n", i, string);
continue;
}
for(j=0; j<len; j++){
tmp[j] = tolower(string[j]);
}
tmp[j] = '\0';
if(0==strcmp((char *)tmp, "up")){
mhdr = 0x80;
}else if(0==strcmp((char *)tmp, "down")){
mhdr = 0xA0;
}else{
printf("\"maccommands\"[%d].MHDR \"%s\" must be 1 byte hex string\n", i, string);
continue;
}
}else{
printf("Can't recognize maccommand direction\n");
continue;
}
}
string = json_object_get_string(jomaccmd, "command");
if(string != NULL){
len = str2hex(string, tmp, 255);
if(len <= 0){
printf("\"maccommands\"[%d].command \"%s\" is not hex string\n", i, string);
continue;
}
}else{
printf("c\"maccommands\"[%d].command is not string\n", i);
continue;
}
message_t *pl = malloc(sizeof(message_t));
memset(pl, 0, sizeof(message_t));
if(pl == NULL){
return -3;
}
pl->buf = malloc(len+1);
if(pl->buf == NULL){
return -3;
}
pl->len = len+1;
pl->buf[0] = mhdr;
pl->next = 0;
memcpy(pl->buf+1, tmp, pl->len-1);
pl_insert(&config->maccmd, pl);
}
}
print_spliter();
printf("%15s %s\n","BAND:\t", config_band_tab[LW_BAND_EU868]);
printf("%15s","NWKSKEY:\t");
putlen(16);
puthbuf(config->nwkskey, 16);
printf("\n");
printf("%15s","APPSKEY:\t");
putlen(16);
puthbuf(config->appskey, 16);
printf("\n");
printf("%15s","APPKEY:\t");
putlen(16);
puthbuf(config->appkey, 16);
printf("\n");
printf("%15s","JOINR:\t");
putlen(config->joinr_size);
puthbuf(config->joinr, config->joinr_size );
printf("\n");
printf("%15s","JOINA:\t");
putlen(config->joina_size);
puthbuf(config->joina, config->joina_size );
printf("\n");
pl_print(config->message);
maccmd_print(config->maccmd);
json_value_free(jvroot);
return 0;
}