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authorcbdev <cb@cbcdn.com>2023-08-24 20:13:51 +0200
committercbdev <cb@cbcdn.com>2023-08-24 20:13:51 +0200
commit12cf1472f159b5aaf26d871d88f684f1f46cf856 (patch)
treeb8d6acfb4fcddc1e6e4e7452c80a906d4fea7b7d /twn3_test.c
parentdac4c23269dd62547bb14ea3274a21ac759915d5 (diff)
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Implement single-tag select
Diffstat (limited to 'twn3_test.c')
-rw-r--r--twn3_test.c25
1 files changed, 20 insertions, 5 deletions
diff --git a/twn3_test.c b/twn3_test.c
index ca10574..734201e 100644
--- a/twn3_test.c
+++ b/twn3_test.c
@@ -12,8 +12,8 @@ int main(int argc, char** argv){
char data[1024];
unsigned u;
- int device = twn3_open("/dev/ttyACM0");
-
+ int device = twn3_open("/dev/ttyACM3");
+
printf("Device is at fd %d\n", device);
if(device < 0){
printf("%s\n", strerror(errno));
@@ -33,7 +33,7 @@ int main(int argc, char** argv){
}
//write some userdata
- twn3_sync_write_eeprom(device, 0, 19, 0xAA);
+ //twn3_sync_write_eeprom(device, 0, 19, 0xAA);
//set ExtendID bit
//twn3_sync_write_eeprom(device, 0, 5, 0x05);
@@ -42,8 +42,23 @@ int main(int argc, char** argv){
//twn3_sync_restart(device, 0);
//store a key
- uint8_t key[] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
- twn3_sync_storekey(device, 0, 12, key);
+ //uint8_t key[] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
+ //twn3_sync_storekey(device, 0, 12, key);
+
+ //wait for a single tag
+ int status;
+ uint8_t type = tag_none;
+ uint8_t serial[20];
+ size_t serial_length = sizeof(serial);
+ for(status = twn3_sync_select_first(device, 0, &type, serial, &serial_length);
+ status == 0;
+ status = twn3_sync_select_first(device, 0, &type, serial, &serial_length)){
+ if(type != tag_none){
+ printf("Tag with UID length %lu found, type %02X\n", serial_length, type);
+ break;
+ }
+ serial_length = sizeof(serial);
+ }
close(device);
return EXIT_SUCCESS;