CCID usb descriptor: We support 3V only, not 5V.
diff --git a/firmware/src_simtrace/usb.c b/firmware/src_simtrace/usb.c
index 7cd4feb..a13c2de 100644
--- a/firmware/src_simtrace/usb.c
+++ b/firmware/src_simtrace/usb.c
@@ -284,7 +284,7 @@
CCID_DECRIPTOR_TYPE, // bDescriptorType:Functional descriptor type
CCID1_10, // bcdCCID: CCID version
0, // bMaxSlotIndex: Value 0 indicates that one slot is supported
- VOLTS_5_0, // bVoltageSupport
+ VOLTS_3_0, // bVoltageSupport
(1 << PROTOCOL_TO), // dwProtocols
3580, // dwDefaultClock
3580, // dwMaxClock
@@ -460,7 +460,7 @@
CCID_DECRIPTOR_TYPE, // bDescriptorType:Functional descriptor type
CCID1_10, // bcdCCID: CCID version
0, // bMaxSlotIndex: Value 0 indicates that one slot is supported
- VOLTS_5_0, // bVoltageSupport
+ VOLTS_3_0, // bVoltageSupport
(1 << PROTOCOL_TO), // dwProtocols
3580, // dwDefaultClock
3580, // dwMaxClock