update changelog

+fix a comment typo
+ move clear bigbuf after fpgadownloadandgo...

CHANGELOG.md

@@ -6,6 +6,7 @@ This project uses the changelog in accordance with [keepchangelog](http://keepac
 ## [unreleased][unreleased]
 
 ### Changed
+- Adjusted `lf cmdread` to respond to client when complete and the client will then automatically call `data samples`
 - Improved backdoor detection missbehaving magic s50/1k tag (Fl0-0)
 - Deleted wipe functionality from `hf mf csetuid` (Merlok)
 - Changed `hf mf nested` logic (Merlok)
@@ -21,6 +22,7 @@ This project uses the changelog in accordance with [keepchangelog](http://keepac
 - Changed start sequence in Qt mode (fix: short commands hangs main Qt thread) (Merlok)
 
 ### Added
+- Added a bitbang mode to `lf cmdread` if delay is 0 the cmd bits turn off and on the antenna with 0 and 1 respectively (marshmellow)
 - Added PAC/Stanley detection to lf search (marshmellow)
 - Added lf pac demod and lf pac read - extracts the raw blocks from a PAC/Stanley tag (marshmellow)
 - Added hf mf c* commands compatibity for 4k and gen1b backdoor (Fl0-0)

armsrc/lfops.c

@@ -33,14 +33,15 @@ void ModThenAcquireRawAdcSamples125k(uint32_t delay_off, uint32_t period_0, uint
 
 	// use lf config settings
 	sample_config *sc = getSamplingConfig();
-	// clear read buffer
-	BigBuf_Clear_keep_EM();
 
-	/* Make sure the tag is reset */
+	// Make sure the tag is reset
 	FpgaDownloadAndGo(FPGA_BITSTREAM_LF);
 	FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
 	WaitMS(2500);
 
+	// clear read buffer (after fpga bitstream loaded...)
+	BigBuf_Clear_keep_EM();
+
 	// power on
 	LFSetupFPGAForADC(sc->divisor, 1);
 

armsrc/lfsampling.c

@@ -266,7 +266,7 @@ uint32_t SnoopLF()
 }
 
 /**
-* acquisition of Cotag LF signal. Similart to other LF,  since the Cotag has such long datarate RF/384
+* acquisition of Cotag LF signal. Similar to other LF,  since the Cotag has such long datarate RF/384
 * and is Manchester?,  we directly gather the manchester data into bigbuff
 **/
 #define COTAG_T1 384