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path: root/src/rfid_asic_rc632_mifare.c
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Diffstat (limited to 'src/rfid_asic_rc632_mifare.c')
-rw-r--r--src/rfid_asic_rc632_mifare.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/src/rfid_asic_rc632_mifare.c b/src/rfid_asic_rc632_mifare.c
new file mode 100644
index 0000000..9bfb0ae
--- /dev/null
+++ b/src/rfid_asic_rc632_mifare.c
@@ -0,0 +1,25 @@
+
+int
+rc632_mifare_read16()
+{
+ unsigned char sndbuf[2];
+ unsigned char recvbuf[0x40];
+ unsigned char recvlen = sizeof(recvbuf);
+
+ int ret;
+
+ sndbuf[0] = 0x30;
+ sndbuf[1] = arg_4;
+
+ memset(recvbuf, 0, sizeof(recvbuf));
+
+ ret = rc632_transcieve(handle, sndbuf, sizeof(sndbuf),
+ recvbuf, &recvlen, 0x32, 0);
+ if (ret < 0)
+ return ret;
+
+ if (recvlen != 0x10)
+ return -1;
+
+ return 0;
+}
personal git repositories of Harald Welte. Your mileage may vary