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Add Control-C handling

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Add inline help
This commit is contained in:
Arnaud ZANETTI 2017-10-30 18:28:08 +01:00
parent 0f78b6ddcd
commit 8791e24e1f
1 changed files with 71 additions and 10 deletions
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81
player/limeplayer.c
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@ -8,10 +8,12 @@
#include <sys/time.h>
#include <unistd.h>
#include <getopt.h>
#include <signal.h>
#include <lime/LimeSuite.h>
#define EXIT_CODE_NO_DEVICE (-1)
#define EXIT_CODE_CONTROL_C (-3)
#define EXIT_CODE_NO_DEVICE (-2)
#define EXIT_CODE_LMS_OPEN (-1)
#define TX_FREQUENCY 1575420000.0
@ -19,7 +21,51 @@
#define TX_BANDWIDTH 5000000.0
#define DEFAULT_ANTENNA 1 // antenna with BW [30MHz .. 2000MHz]
#define STRINGIFY2(X) #X
#define STRINGIFY(X) STRINGIFY2(X)
static int control_c_received = 0;
static void control_c_handler (int sig, siginfo_t *siginfo, void *context){
control_c_received = 1;
}
static void print_usage(const char *progname){
printf("Usage: %s [option] < file" "\n"
"\t" "-g <gain> or --gain <gain> with gain in [0.0 .. 1.0] set the so-called normalized RF gain in LimeSDR (default: 1.0 max RF power)" "\n"
"\t" "-c <channel> or --channel <channel> with channel either 0 or 1 (default: 0)" "\n"
"\t" "-a <antenna> or --antenna <antenna> with antenna in { 0, 1, 2 } (default:" STRINGIFY(DEFAULT_ANTENNA) ")" "\n"
"\t" "-i <index> or --index <index> select LimeSDR if multiple devices connected (default: 0)" "\n"
"\t" "-b <bits> or --bits <bits> select bit count in IQ sample in { 1, 8, 12, 16 }, (default: 16)"
"\t" "-s <samplerate> or --samplerate <samplerate> configure BB sample rate (default: " STRINGIFY(TX_SAMPLERATE) ")" "\n"
"\t" "-d <dynamic> --dynamic <dynamic> configure dynamic for the 1-bit mode (default: 2047, max 12-bit signed value supported by LimeSDR)" "\n"
"Example:" "\n"
"\t" "./limeplayer -s 1000000 -b 1 -d 1023 -g 0.1 < ../circle.1b.1M.bin" "\n", progname);
exit(0);
}
int main(int argc, char *const argv[]){
struct sigaction control_c;
memset(&control_c, 0, sizeof(control_c));
control_c.sa_sigaction = &control_c_handler;
/* The SA_SIGINFO flag tells sigaction() to use the sa_sigaction field, not sa_handler. */
control_c.sa_flags = SA_SIGINFO;
if (sigaction(SIGTERM, &control_c, NULL) < 0) {
perror ("sigaction");
return(EXIT_CODE_CONTROL_C);
}
if (sigaction(SIGQUIT, &control_c, NULL) < 0) {
perror ("sigaction");
return(EXIT_CODE_CONTROL_C);
}
if (sigaction(SIGINT, &control_c, NULL) < 0) {
perror ("sigaction");
return(EXIT_CODE_CONTROL_C);
}
int device_count = LMS_GetDeviceList(NULL);
if(device_count < 1){
return(EXIT_CODE_NO_DEVICE);
@ -34,11 +80,12 @@ int main(int argc, char *const argv[]){
}
double gain = 1.0;
int antenna = DEFAULT_ANTENNA;
int channel = 0;
int index = 0;
int bits = 16;
int32_t antenna = DEFAULT_ANTENNA;
int32_t channel = 0;
int32_t index = 0;
int32_t bits = 16;
double sampleRate = TX_SAMPLERATE;
int32_t dynamic = 2047;
while (1) {
int option_index = 0;
@ -49,10 +96,11 @@ int main(int argc, char *const argv[]){
{"index", required_argument, 0, 'i'},
{"bits", required_argument, 0, 'b'},
{"samplerate", required_argument, 0, 's'},
{"dynamic", required_argument, 0, 'd'},
{0, 0, 0, 0 }
};
int c = getopt_long(argc, argv, "g:c:a:i:s:b:", long_options, &option_index);
int c = getopt_long(argc, argv, "g:c:a:i:s:b:d:", long_options, &option_index);
if (c == -1)
break;
@ -85,6 +133,15 @@ int main(int argc, char *const argv[]){
case 's':
sampleRate = strtod(optarg, NULL);
break;
case 'd':
dynamic = strtol(optarg, NULL, 0);
if(dynamic > 2047){
dynamic = 2047;
}
break;
default:
print_usage(argv[0]);
break;
}
}
// Use correct values
@ -234,7 +291,7 @@ int main(int argc, char *const argv[]){
int loop = 0;
if((12 == bits) || (16 == bits)){
// File contains interleaved 16-bit IQ values, either with only 12-bit data, or with 16-bit data
while(fread(sampleBuffer, sizeof(struct s16iq_sample_s), nSamples, stdin)){
while((0 == control_c_received) && fread(sampleBuffer, sizeof(struct s16iq_sample_s), nSamples, stdin)){
loop++;
if(0 == (loop % 100)){
struct timeval tv;
@ -266,7 +323,7 @@ int main(int argc, char *const argv[]){
signed char q;
};
struct s8iq_sample_s *fileSamples = (struct s8iq_sample_s*)malloc(sizeof(struct s8iq_sample_s) * nSamples);
while(fread(fileSamples, sizeof(struct s8iq_sample_s), nSamples, stdin)){
while((0 == control_c_received) && fread(fileSamples, sizeof(struct s8iq_sample_s), nSamples, stdin)){
loop++;
if(0 == (loop % 100)){
struct timeval tv;
@ -296,12 +353,13 @@ int main(int argc, char *const argv[]){
int i, j;
for (i=0; i<256; i++){
for (j=0; j<8; j++){
expand_lut[i][j] = ((i>>(7-j))&0x1)?1024:-1024;
expand_lut[i][j] = ((i>>(7-j))&0x1)?dynamic:-dynamic;
}
}
printf("1-bit mode: using dynamic=%d" "\n", dynamic);
// printf("sizeof(expand_lut[][])=%d, sizeof(expand_lut[0])=%d" "\n", sizeof(expand_lut), sizeof(expand_lut[0]));
int8_t *fileBuffer = (int8_t*)malloc(sizeof(int8_t) * nSamples);
while(fread(fileBuffer, sizeof(int8_t), nSamples / 4, stdin)){
while((0 == control_c_received) && fread(fileBuffer, sizeof(int8_t), nSamples / 4, stdin)){
loop++;
if(0 == (loop % 100)){
struct timeval tv;
@ -335,6 +393,9 @@ int main(int argc, char *const argv[]){
LMS_EnableChannel(device, LMS_CH_TX, channel, false);
LMS_Close(device);
if(control_c_received){
return(EXIT_CODE_CONTROL_C);
}
return(0);
}