X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/6a4271d186e0ad7d6d3f71c617c108e9d23188d4..c23d2618ba93343a3c894d824a2b271135c106d3:/armsrc/lfops.c

diff --git a/armsrc/lfops.c b/armsrc/lfops.c
index 74dd5ab8..8b7e98fc 100644
--- a/armsrc/lfops.c
+++ b/armsrc/lfops.c
@@ -22,33 +22,32 @@
 /**
  * Function to do a modulation and then get samples.
  * @param delay_off
- * @param period_0
- * @param period_1
+ * @param periods  0xFFFF0000 is period_0,  0x0000FFFF is period_1
+ * @param useHighFreg
  * @param command
  */
-void ModThenAcquireRawAdcSamples125k(uint32_t delay_off, uint32_t period_0, uint32_t period_1, uint8_t *command)
+void ModThenAcquireRawAdcSamples125k(uint32_t delay_off, uint32_t periods, uint32_t useHighFreq, uint8_t *command)
 {
+	/* Make sure the tag is reset */
+	FpgaDownloadAndGo(FPGA_BITSTREAM_LF);
+	FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+	SpinDelay(200);
 
-	int divisor_used = 95; // 125 KHz
-	// see if 'h' was specified
-
-	if (command[strlen((char *) command) - 1] == 'h')
-		divisor_used = 88; // 134.8 KHz
-
+	uint16_t period_0 =  periods >> 16;
+	uint16_t period_1 =  periods & 0xFFFF;
+	
+	// 95 == 125 KHz  88 == 124.8 KHz
+	int divisor_used = (useHighFreq) ? 88 : 95;
 	sample_config sc = { 0,0,1, divisor_used, 0};
 	setSamplingConfig(&sc);
+
 	//clear read buffer
 	BigBuf_Clear_keep_EM();
 
-	/* Make sure the tag is reset */
-	FpgaDownloadAndGo(FPGA_BITSTREAM_LF);
-	FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
-	SpinDelay(2500);
-
 	LFSetupFPGAForADC(sc.divisor, 1);
 
 	// And a little more time for the tag to fully power up
-	SpinDelay(2000);
+	SpinDelay(50);
 
 	// now modulate the reader field
 	while(*command != '\0' && *command != ' ') {
@@ -68,7 +67,6 @@ void ModThenAcquireRawAdcSamples125k(uint32_t delay_off, uint32_t period_0, uint
 	LED_D_OFF();
 	SpinDelayUs(delay_off);
 	FpgaSendCommand(FPGA_CMD_SET_DIVISOR, sc.divisor);
-
 	FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_ADC | FPGA_LF_ADC_READER_FIELD);
 
 	// now do the read
@@ -1006,7 +1004,7 @@ void CmdIOdemodFSK(int findone, int *high, int *low, int ledcontrol)
 	//clear read buffer
 	BigBuf_Clear_keep_EM();
 	
-// Configure to go in 125Khz listen mode
+	// Configure to go in 125Khz listen mode
 	LFSetupFPGAForADC(95, true);
 
 	while(!BUTTON_PRESS() && !usb_poll_validate_length()) {
@@ -1345,15 +1343,14 @@ void CopyHIDtoT55x7(uint32_t hi2, uint32_t hi, uint32_t lo, uint8_t longFMT) {
 void CopyIOtoT55x7(uint32_t hi, uint32_t lo) {
 	uint32_t data[] = {T55x7_BITRATE_RF_64 | T55x7_MODULATION_FSK2a | (2 << T55x7_MAXBLOCK_SHIFT), hi, lo};
 	//TODO add selection of chip for Q5 or T55x7
-	// data[0] = (((64-2)/2)<<T5555_BITRATE_SHIFT) | T5555_MODULATION_FSK2 | T5555_INVERT_OUTPUT | 2 << T5555_MAXBLOCK_SHIFT;
+	//t5555 (Q5) BITRATE = (RF-2)/2 (iceman)
+	// data[0] = (64 << T5555_BITRATE_SHIFT) | T5555_MODULATION_FSK2 | T5555_INVERT_OUTPUT | 2 << T5555_MAXBLOCK_SHIFT;
 
 	LED_D_ON();
 	// Program the data blocks for supplied ID
 	// and the block 0 config
 	WriteT55xx(data, 0, 3);
-
 	LED_D_OFF();
-
 	DbpString("DONE!");
 }
 
@@ -1387,6 +1384,7 @@ void CopyIndala224toT55x7(uint32_t uid1, uint32_t uid2, uint32_t uid3, uint32_t
 // clone viking tag to T55xx
 void CopyVikingtoT55xx(uint32_t block1, uint32_t block2, uint8_t Q5) {
 	uint32_t data[] = {T55x7_BITRATE_RF_32 | T55x7_MODULATION_MANCHESTER | (2 << T55x7_MAXBLOCK_SHIFT), block1, block2};
+	//t5555 (Q5) BITRATE = (RF-2)/2 (iceman)
 	if (Q5) data[0] = (32 << T5555_BITRATE_SHIFT) | T5555_MODULATION_MANCHESTER | 2 << T5555_MAXBLOCK_SHIFT;
 	// Program the data blocks for supplied ID and the block 0 config
 	WriteT55xx(data, 0, 3);
@@ -1474,7 +1472,7 @@ void WriteEM410x(uint32_t card, uint32_t id_hi, uint32_t id_lo) {
 		clock = (clock-2)>>1;  //n = (RF-2)/2
 		data[0] = (clock << T5555_BITRATE_SHIFT) | T5555_MODULATION_MANCHESTER | (2 << T5555_MAXBLOCK_SHIFT);
 	}
-
+ 
 	WriteT55xx(data, 0, 3);
 
 	LED_D_OFF();