RfidResearchGroup/proxmark3
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new format doc

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This commit is contained in:
Philippe Teuwen 2019-04-21 17:34:56 +02:00
parent 3dd1f1c78c
commit a2e55be468
2 changed files with 56 additions and 7 deletions
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2
armsrc/appmain.c
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@ -363,7 +363,7 @@ void SendVersion(void) {
}
// measure the USB Speed by sending SpeedTestBufferSize bytes to client and measuring the elapsed time.
// Note: this mimics GetFromBigbuf(), i.e. we have the overhead of the PacketCommandOLD structure included.
// Note: this mimics GetFromBigbuf(), i.e. we have the overhead of the PacketCommandNG structure included.
void printUSBSpeed(void) {
Dbprintf("USB Speed");
Dbprintf(" Sending USB packets to client...");

61
doc/new_frame_format.txt
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@ -226,13 +226,20 @@ usart_fill_rxfifo:
Timings
=======
(common/usart.h)
USART_BAUD_RATE defined
Reference (before new format):
9600: #db# USB Transfer Speed PM3 -> Client = 934 Bytes/s
115200: #db# USB Transfer Speed PM3 -> Client = 11137 Bytes/s
460800: #db# USB Transfer Speed PM3 -> Client = 43119 Bytes/s
linux usb: #db# USB Transfer Speed PM3 -> Client = 666624 Bytes/s (~7Mbaud)
linux usb: #db# USB Transfer Speed PM3 -> Client = 545109 Bytes/s
On a Windows VM:
proxspace usb: #db# USB Transfer Speed PM3 -> Client = 233998 Bytes/s
(common/usart.h)
USART_BAUD_RATE defined there
9600: #db# USB Transfer Speed PM3 -> Client = 934 Bytes/s
115200: #db# USB Transfer Speed PM3 -> Client = 11137 Bytes/s
460800: #db# USB Transfer Speed PM3 -> Client = 43119 Bytes/s
linux usb: #db# USB Transfer Speed PM3 -> Client = 666624 Bytes/s (equiv. to ~7Mbaud)
At some point, when still activating AT91C_PDC_TXTEN in usart_writebuffer, we needed to increase client uart timeout.
@ -267,4 +274,46 @@ uint32_t usart_read_ng(uint8_t *data, size_t len) {
// Let's take 10x
uint32_t maxtry = 10 * ( 3000000 / USART_BAUD_RATE );
Reference frames
================
Captured on linux USB.
For helping debug...
Initial connection:
TestProxmark: SendCommandOLD(CMD_PING, 0, 0, 0, NULL, 0);
->544=0901000000000000000000000000000000000000000000000000000000000000 -> OLD
CMD_PING: reply_mix(CMD_ACK, reply_via_fpc, 0, 0, 0, 0);
<-36=504d336218000000ff0000000000000000000000000000000000000000000000 <- MIX
main_loop pm3_version: SendCommandOLD(CMD_VERSION, 0, 0, 0, NULL, 0);
->544=0701000000000000000000000000000000000000000000000000000000000000 -> OLD
SendVersion: reply_old(CMD_ACK,...);
<-128=ff000000000000004f0a0b270000000009710300000000000000000000000000 <- OLD
<-128=6572696d656e74616c5f7661726c656e2f33646431663163372d64697274792d
<-128=484620696d616765206275696c7420666f7220327333307671313030206f6e20
<-128=0000000000000000000000000000000000000000000000000000000000000000
<-32=0000000000000000000000000000000000000000000000000000000000000000
"hw ping"
CmdPing SendCommandMIX(CMD_PING, 0, 0, 0, NULL, 0);
->34=504d336118000901000000000000000000000000000000000000000000000000 -> MIX
CMD_PING reply_mix(CMD_ACK, reply_via_fpc, 0, 0, 0, 0);
<-36=504d336218000000ff0000000000000000000000000000000000000000000000 <- MIX
"hw pingng"
CmdPingNG SendCommandNG(CMD_PING, data, len);
->10=504d3361008009016133 -> NG
CMD_PING reply_ng(CMD_PING, PM3_SUCCESS, packet->data.asBytes, packet->length);
<-12=504d33620080000009016233 <- NG
"hw pingng 512"
CmdPingNG SendCommandNG(CMD_PING, data, len);
->522=504d336100820901000102030405060708090a0b0c0d0e0f1011121314151617 -> NG
CMD_PING reply_ng(CMD_PING, PM3_SUCCESS, packet->data.asBytes, packet->length);
<-128=504d3362008200000901000102030405060708090a0b0c0d0e0f101112131415 <- NG
<-128=767778797a7b7c7d7e7f808182838485868788898a8b8c8d8e8f909192939495
<-128=f6f7f8f9fafbfcfdfeff000102030405060708090a0b0c0d0e0f101112131415
<-128=767778797a7b7c7d7e7f808182838485868788898a8b8c8d8e8f909192939495
<-12=f6f7f8f9fafbfcfdfeff6233