X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/8a6aec16d8c21d3c57457e5ec00eb83f5242feba..ac86b656816e0368353921991e59226f38e5b698:/armsrc/appmain.c?ds=sidebyside

diff --git a/armsrc/appmain.c b/armsrc/appmain.c
index 9696b008..23046b4d 100644
--- a/armsrc/appmain.c
+++ b/armsrc/appmain.c
@@ -13,7 +13,6 @@
 #include "LCD.h"
 #endif
 
-
 //=============================================================================
 // A buffer where we can queue things up to be sent through the FPGA, for
 // any purpose (fake tag, as reader, whatever). We go MSB first, since that
@@ -23,6 +22,7 @@
 BYTE ToSend[256];
 int ToSendMax;
 static int ToSendBit;
+struct common_area common_area __attribute__((section(".commonarea")));
 
 void BufferClear(void)
 {
@@ -238,17 +238,19 @@ void ReadMem(int addr)
 
 /* osimage version information is linked in */
 extern struct version_information version_information;
+/* bootrom version information is pointed to from _bootphase1_version_pointer */
+extern char *_bootphase1_version_pointer, _flash_start, _flash_end;
 void SendVersion(void)
 {
 	char temp[48]; /* Limited data payload in USB packets */
 	DbpString("Prox/RFID mark3 RFID instrument");
 	
-	/* Try to find the bootrom version information. For the time being, expect
-	 * to find a pointer at address 0x1001fc, perform slight sanity checks on 
-	 * the pointer, then use it.
+	/* Try to find the bootrom version information. Expect to find a pointer at 
+	 * symbol _bootphase1_version_pointer, perform slight sanity checks on the
+	 * pointer, then use it.
 	 */
-	void *bootrom_version = *(void**)0x1001fc;
-	if( bootrom_version < (void*)0x100000 || bootrom_version > (void*)0x101000 ) {
+	char *bootrom_version = *(char**)&_bootphase1_version_pointer;
+	if( bootrom_version < &_flash_start || bootrom_version >= &_flash_end ) {
 		DbpString("bootrom version information appears invalid");
 	} else {
 		FormatVersionInformation(temp, sizeof(temp), "bootrom: ", bootrom_version);
@@ -645,6 +647,9 @@ void UsbPacketReceived(BYTE *packet, int len)
 		case CMD_VERSION:
 			SendVersion();
 			break;
+		case CMD_LF_SIMULATE_BIDIR:
+			SimulateTagLowFrequencyBidir(c->ext1, c->ext2);
+			break;
 #ifdef WITH_LCD
 		case CMD_LCD_RESET:
 			LCDReset();
@@ -664,17 +669,40 @@ void UsbPacketReceived(BYTE *packet, int len)
 				// We're going to reset, and the bootrom will take control.
 			}
 			break;
-
+		case CMD_START_FLASH:
+			if(common_area.flags.bootrom_present) {
+				common_area.command = COMMON_AREA_COMMAND_ENTER_FLASH_MODE;
+			}
+			USB_D_PLUS_PULLUP_OFF();
+			RSTC_CONTROL = RST_CONTROL_KEY | RST_CONTROL_PROCESSOR_RESET;
+			for(;;);
+			break;
+			
+		case CMD_DEVICE_INFO: {
+			UsbCommand c;
+			c.cmd = CMD_DEVICE_INFO;
+			c.ext1 = DEVICE_INFO_FLAG_OSIMAGE_PRESENT | DEVICE_INFO_FLAG_CURRENT_MODE_OS;
+			if(common_area.flags.bootrom_present) c.ext1 |= DEVICE_INFO_FLAG_BOOTROM_PRESENT;
+			UsbSendPacket((BYTE*)&c, sizeof(c));
+		}
+			break;
 		default:
 			DbpString("unknown command");
 			break;
 	}
 }
 
-void AppMain(void)
+void  __attribute__((noreturn)) AppMain(void)
 {
-	memset(BigBuf,0,sizeof(BigBuf));
 	SpinDelay(100);
+	
+	if(common_area.magic != COMMON_AREA_MAGIC || common_area.version != 1) {
+		/* Initialize common area */
+		memset(&common_area, 0, sizeof(common_area));
+		common_area.magic = COMMON_AREA_MAGIC;
+		common_area.version = 1;
+	}
+	common_area.flags.osimage_present = 1;
 
 	LED_D_OFF();
 	LED_C_OFF();
@@ -705,14 +733,14 @@ void AppMain(void)
 	LCDInit();
 
 	// test text on different colored backgrounds
-	LCDString(" The quick brown fox  ",	&FONT6x8,1,1+8*0,WHITE  ,BLACK );
-	LCDString("  jumped over the     ",	&FONT6x8,1,1+8*1,BLACK  ,WHITE );
-	LCDString("     lazy dog.        ",	&FONT6x8,1,1+8*2,YELLOW ,RED   );
-	LCDString(" AaBbCcDdEeFfGgHhIiJj ",	&FONT6x8,1,1+8*3,RED    ,GREEN );
-	LCDString(" KkLlMmNnOoPpQqRrSsTt ",	&FONT6x8,1,1+8*4,MAGENTA,BLUE  );
-	LCDString("UuVvWwXxYyZz0123456789",	&FONT6x8,1,1+8*5,BLUE   ,YELLOW);
-	LCDString("`-=[]_;',./~!@#$%^&*()",	&FONT6x8,1,1+8*6,BLACK  ,CYAN  );
-	LCDString("     _+{}|:\\\"<>?     ",&FONT6x8,1,1+8*7,BLUE  ,MAGENTA);
+	LCDString(" The quick brown fox  ",	(char *)&FONT6x8,1,1+8*0,WHITE  ,BLACK );
+	LCDString("  jumped over the     ",	(char *)&FONT6x8,1,1+8*1,BLACK  ,WHITE );
+	LCDString("     lazy dog.        ",	(char *)&FONT6x8,1,1+8*2,YELLOW ,RED   );
+	LCDString(" AaBbCcDdEeFfGgHhIiJj ",	(char *)&FONT6x8,1,1+8*3,RED    ,GREEN );
+	LCDString(" KkLlMmNnOoPpQqRrSsTt ",	(char *)&FONT6x8,1,1+8*4,MAGENTA,BLUE  );
+	LCDString("UuVvWwXxYyZz0123456789",	(char *)&FONT6x8,1,1+8*5,BLUE   ,YELLOW);
+	LCDString("`-=[]_;',./~!@#$%^&*()",	(char *)&FONT6x8,1,1+8*6,BLACK  ,CYAN  );
+	LCDString("     _+{}|:\\\"<>?     ",(char *)&FONT6x8,1,1+8*7,BLUE  ,MAGENTA);
 
 	// color bands
 	LCDFill(0, 1+8* 8, 132, 8, BLACK);