X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/8d7d7b618777fddcde8897945f2ec42eb85095e2..3962dce565fc63c0190d4570bfaf339ec32b7025:/armsrc/i2c.c

diff --git a/armsrc/i2c.c b/armsrc/i2c.c
index bd22e19a..7ef0c9c0 100644
--- a/armsrc/i2c.c
+++ b/armsrc/i2c.c
@@ -656,28 +656,6 @@ static bool GetATR(smart_card_atr_t *card_ptr) {
 	if ( !sc_rx_bytes(card_ptr->atr, &len) )		
 		return false;
 
-	uint8_t pos_td = 1;
-	if ( (card_ptr->atr[1] & 0x10) == 0x10) pos_td++;
-	if ( (card_ptr->atr[1] & 0x20) == 0x20) pos_td++;
-	if ( (card_ptr->atr[1] & 0x40) == 0x40) pos_td++;
-	
-	// T0 indicate presence T=0 vs T=1.  T=1 has checksum TCK
-	if ( (card_ptr->atr[1] & 0x80) == 0x80) {
-		
-		pos_td++;
-	
-		// 1 == T1 ,  presence of checksum TCK
-		if ( (card_ptr->atr[pos_td] & 0x01) == 0x01) {
- 			uint8_t chksum = 0;
-			// xor property.  will be zero when xored with chksum.
-			for (uint8_t i = 1; i < len; ++i)
-				chksum ^= card_ptr->atr[i];
- 			if ( chksum ) {
-				if ( MF_DBGLEVEL > 2) DbpString("Wrong ATR checksum");
-			}
-		}
-	}
-
 	card_ptr->atr_len = len;
 	LogTrace(card_ptr->atr, card_ptr->atr_len, 0, 0, NULL, false);
 
@@ -713,7 +691,7 @@ void SmartCardRaw( uint64_t arg0, uint64_t arg1, uint8_t *data ) {
 
 		I2C_Reset_EnterMainProgram();
 
-		if (flags & SC_SELECT) {
+		if ((flags & SC_SELECT)) {
 			smart_card_atr_t card;
 			bool gotATR = GetATR( &card );
 			//cmd_send(CMD_ACK, gotATR, sizeof(smart_card_atr_t), 0, &card, sizeof(smart_card_atr_t));
@@ -722,14 +700,14 @@ void SmartCardRaw( uint64_t arg0, uint64_t arg1, uint8_t *data ) {
 		}
 	}
 
-	if ((flags & SC_RAW)) {
+	if ((flags & SC_RAW) || (flags & SC_RAW_T0)) {
 
 		LogTrace(data, arg1, 0, 0, NULL, true);
 
 		// Send raw bytes
 		// asBytes = A0 A4 00 00 02
 		// arg1 = len 5
-		bool res = I2C_BufferWrite(data, arg1, I2C_DEVICE_CMD_SEND, I2C_DEVICE_ADDRESS_MAIN);
+		bool res = I2C_BufferWrite(data, arg1, ((flags & SC_RAW_T0) ? I2C_DEVICE_CMD_SEND_T0 : I2C_DEVICE_CMD_SEND), I2C_DEVICE_ADDRESS_MAIN);
 		if ( !res && MF_DBGLEVEL > 3 ) DbpString(I2C_ERROR);
 
 		// read bytes from module