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libusb: use getopt to parse command line arguments

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This commit is contained in:
Matthias Ringwald 2022-05-31 17:35:37 +02:00
parent 69a0db5759
commit 0ad027235d
1 changed files with 50 additions and 5 deletions
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55
port/libusb/main.c
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@ -43,6 +43,7 @@
//
// *****************************************************************************
#include <getopt.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
@ -102,7 +103,7 @@ static void local_version_information_handler(uint8_t * packet){
printf("- HCI Revision 0x%04x\n", hci_revision);
printf("- LMP Version 0x%04x\n", lmp_version);
printf("- LMP Subversion 0x%04x\n", lmp_subversion);
printf("- Manufacturer 0x%04x\n", manufacturer);
printf("- Manufacturer 0x%04x\n", manufacturer);
switch (manufacturer){
case BLUETOOTH_COMPANY_ID_THE_LINUX_FOUNDATION:
printf("- Linux Foundation - assume Zephyr hci_usb firmware running on nRF52xx\n");
@ -202,20 +203,66 @@ static void trigger_shutdown(void){
}
static int led_state = 0;
void hal_led_toggle(void){
led_state = 1 - led_state;
printf("LED State %u\n", led_state);
}
static char short_options[] = "hu:l:";
static struct option long_options[] = {
{"help", no_argument, NULL, 'h'},
{"usbpath", required_argument, NULL, 'u'},
{0, 0, 0, 0}
};
static char *help_options[] = {
"print (this) help.",
"set USB path to Bluetooth Controller.",
};
static char *option_arg_name[] = {
"",
"USBPATH",
};
static void usage(const char *name){
unsigned int i;
printf( "usage:\n\t%s [options]\n", name );
printf("valid options:\n");
for( i=0; long_options[i].name != 0; i++) {
printf("--%-10s| -%c %-10s\t\t%s\n", long_options[i].name, long_options[i].val, option_arg_name[i], help_options[i] );
}
}
#define USB_MAX_PATH_LEN 7
int main(int argc, const char * argv[]){
uint8_t usb_path[USB_MAX_PATH_LEN];
int usb_path_len = 0;
const char * usb_path_string = NULL;
if (argc >= 3 && strcmp(argv[1], "-u") == 0){
// parse command line parameters
while(true){
int c = getopt_long( argc, (char* const *)argv, short_options, long_options, NULL );
if (c < 0) {
break;
}
switch (c) {
case 'u':
usb_path_string = argv[2];
break;
case '?':
case 'h':
default:
usage(argv[0]);
return EXIT_FAILURE;
}
}
if (usb_path_string != NULL){
// parse command line options for "-u 11:22:33"
usb_path_string = argv[2];
printf("Specified USB Path: ");
while (1){
char * delimiter;
@ -228,8 +275,6 @@ int main(int argc, const char * argv[]){
usb_path_string = delimiter+1;
}
printf("\n");
argc -= 2;
memmove((void *) &argv[1], &argv[3], (argc-1) * sizeof(char *));
}
/// GET STARTED with BTstack ///