From: hackbard Date: Fri, 3 Mar 2006 15:23:26 +0000 (+0000) Subject: basic transport working, unsorted defines. X-Git-Url: https://hackdaworld.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b9ec871784f1408d26e24bd29e9084017239543d;p=rfid%2Flibrfid.git basic transport working, unsorted defines. --- diff --git a/gemtag/gemtag.c b/gemtag/gemtag.c index 19ccc63..c2b24d7 100644 --- a/gemtag/gemtag.c +++ b/gemtag/gemtag.c @@ -24,6 +24,17 @@ #include #include "gemtag.h" +int asciidump(unsigned char *data,int len) { + int i; + + for(i=0;i0x19)&&(data[i]<0x7f)) printf("%c",data[i]); + else printf("_"); + printf("\n"); + + return 0; +} + int hexdump(unsigned char *data,int len) { int i; @@ -83,9 +94,8 @@ int gemtag_transcieve(struct gemtag_handle *gh,unsigned char cmd, unsigned char rxbuf[256]; struct gemtag_cmd_hdr *txhdr; struct gemtag_cmd_hdr *rxhdr; - unsigned char buf[32]; u_int16_t crc,*crcptr; - int ret,size; + int i,ret,size,rest; txhdr=(struct gemtag_cmd_hdr *)txbuf; rxhdr=(struct gemtag_cmd_hdr *)rxbuf; @@ -93,22 +103,25 @@ int gemtag_transcieve(struct gemtag_handle *gh,unsigned char cmd, txhdr->start=0xa5; txhdr->seq=++(gh->seq); txhdr->cmd=cmd; - txhdr->len=(tx_len>>8)|(tx_len<<8); + txhdr->len=tx_len; size=sizeof(struct gemtag_cmd_hdr); memcpy(txbuf+size,tx,tx_len); size+=tx_len; /* crc check */ - if(gh->capabilities&GEMTAG_CAP_CRC) { + if(gh->caps&GEMTAG_CAP_CRC) { crcptr=(u_int16_t *)(txbuf+size); crc=gemtag_calc_crc(txbuf,size); - *crcptr=(crc>>8)|(crc<<8); + //*crcptr=(crc>>8)|(crc<<8); + *crcptr=crc; size+=2; } /* usb write */ - printf("(%02d) -> ",size); - hexdump(txbuf,size); + if(gh->caps&GEMTAG_CAP_VERB_TRANSMIT) { + printf("(%02d) -> ",size); + hexdump(txbuf,size); + } ret=usb_interrupt_write(gh->handle,0x02,txbuf,size,0); if(ret<=0) { perror("usb interrupt write"); @@ -116,35 +129,53 @@ int gemtag_transcieve(struct gemtag_handle *gh,unsigned char cmd, } /* usb read */ - ret=usb_interrupt_read(gh->handle,0x81,buf,32,0); + ret=usb_interrupt_read(gh->handle,0x81,rxbuf,32,0); if(ret<=0) { perror("usb interrupt read"); return ret; } - memcpy(rxbuf,buf,ret); - printf("(%02d) <- ",ret); - hexdump(rxbuf,ret); + if(ret<5) { + if(gh->caps&GEMTAG_CAP_VERB_TRANSMIT) + printf("short answer (%d)\n",ret); + return -SHORT_ANSWER; + } - *rx_len=buf[3]|(buf[4]<<8); - printf("debug: length according to header -> %d 0x%04x\n", - *rx_len,*rx_len); - size=*rx_len+5; + *rx_len=rxbuf[3]|(rxbuf[4]<<8); + size=*rx_len+sizeof(struct gemtag_cmd_hdr); + if(gh->caps&GEMTAG_CAP_CRC) size+=2; + + i=1; + rest=size-ret; + while(rest>=0) { + ret=usb_interrupt_read(gh->handle,0x81,rxbuf+i*32,32,0); + if(ret<=0) { + perror("usb interrupt read (missing bytes)"); + return ret; + } + i++; + rest-=ret; + } + + if(gh->caps&GEMTAG_CAP_VERB_TRANSMIT) { + printf("(%02d) <- ",size); + hexdump(rxbuf,size); + } /* crc check */ - if(gh->capabilities&GEMTAG_CAP_CRC) { - size=ret-2; + if(gh->caps&GEMTAG_CAP_CRC) { + size-=2; crcptr=(u_int16_t *)(rxbuf+size); crc=gemtag_calc_crc(rxbuf,size); if(((crc>>8)!=rxbuf[size+1])||((crc&0xff)!=rxbuf[size])) { printf("bad crc! (%04x)\n",crc); - //return -BAD_CRC; + return -BAD_CRC; } } /* check sequence number */ if(rxhdr->seq!=txhdr->seq) { puts("transmitted/recieved sequence number do not match"); - //return -SEQ_MISMATCH; + return -SEQ_MISMATCH; } memcpy(rx,rxbuf+sizeof(struct gemtag_cmd_hdr),*rx_len); @@ -154,13 +185,10 @@ int gemtag_transcieve(struct gemtag_handle *gh,unsigned char cmd, struct gemtag_handle *gemtag_open(void) { struct usb_device *gemtag; - unsigned char rbuf[256]; - unsigned int i,rlen; + unsigned int i; struct gemtag_handle *gh; char info[64]; - rlen=sizeof(rbuf); - usb_init(); usb_find_busses(); usb_find_devices(); @@ -200,26 +228,64 @@ struct gemtag_handle *gemtag_open(void) { perror("set alt interface"); printf("activated alt setting 0\n"); - gh->capabilities|=GEMTAG_CAP_CRC; - - gemtag_transcieve(gh,GEMTAG_CMD_GET_FW_VERSION, - NULL,0,rbuf,&rlen); - gemtag_transcieve(gh,GEMTAG_CMD_GET_SERIAL_NUMBER, - NULL,0,rbuf,&rlen); - return gh; out_free: free(gh); return NULL; } + +int gemtag_close(struct gemtag_handle *gh) { + + if(gh->handle) usb_close(gh->handle); + if(gh) free(gh); + + return 0; +} + int main(int argc, char **argv) { struct gemtag_handle *gh; + unsigned char buf[256]; + unsigned int buflen; gh=gemtag_open(); + gh->caps|=GEMTAG_CAP_CRC; + gh->caps|=GEMTAG_CAP_VERB_TRANSMIT; + + printf("Device:\n"); + gemtag_transcieve(gh,GEMTAG_CMD_GET_FW_VERSION, + NULL,0,buf,&buflen); + asciidump(buf,buflen); + printf("\n"); + + printf("Serial Number:\n"); + gemtag_transcieve(gh,GEMTAG_CMD_GET_SERIAL_NUMBER, + NULL,0,buf,&buflen); + printf("Snr: %d (%04x)\n",buf[1]<<8|buf[0],buf[1]<<8|buf[0]); + printf("\n"); + + printf("RC632 Version:\n"); + gemtag_transcieve(gh,GEMTAG_CMD_GET_RIC_VERSION, + NULL,0,buf,&buflen); + printf("\n"); + + printf("Switching off the LED!\n"); + buf[0]=GEMTAG_LED_OFF; + gemtag_transcieve(gh,GEMTAG_CMD_SWITCH_LED, + buf,1,buf,&buflen); + printf("\n"); + + printf("Detecting Card ...\n"); + gemtag_transcieve(gh,GEMTAG_CMD_DETECT_CARD, + NULL,0,buf,&buflen); + asciidump(buf,buflen); + printf("\n"); + + gemtag_close(gh); + return 1; } diff --git a/gemtag/gemtag.h b/gemtag/gemtag.h index 93aaa60..be203d4 100644 --- a/gemtag/gemtag.h +++ b/gemtag/gemtag.h @@ -24,11 +24,12 @@ struct gemtag_handle { struct usb_dev_handle *handle; unsigned char seq; - unsigned char capabilities; + unsigned char caps; unsigned char snr[4]; }; -#define GEMTAG_CAP_CRC 0x01 +#define GEMTAG_CAP_CRC 0x01 +#define GEMTAG_CAP_VERB_TRANSMIT 0x02 struct gemtag_cmd_hdr { unsigned char start; @@ -37,14 +38,87 @@ struct gemtag_cmd_hdr { u_int16_t len; } __attribute__ ((packed)); +#define BAD_CRC 0x01 +#define SEQ_MISMATCH 0x02 +#define SHORT_ANSWER 0x03 + +/* gemtag commands */ + #define GEMTAG_CMD_GET_FW_VERSION 0x63 -#define GEMTAG_CMD_GET_SERIAL_NUMBER 0x22 #define GEMTAG_CMD_GET_RIC_VERSION 0x64 -#define GEMTAG_CMD_PCD_SET_TMO 0x27 + #define GEMTAG_CMD_SET_CPU_TIMEOUT 0x88 -#define GEMTAG_CMD_TEST 0xfe -#define BAD_CRC 0x01 -#define SEQ_MISMATCH 0x02 + +#define GEMTAG_CMD_PICC_EXCHANGE_BLOCK 0x48 + + + +#define GEMTAG_CMD_PICC_ACTIVATE_IDLE 0x43 +#define GEMTAG_CMD_PICC_ACTIVATE_WAKEUP 0x44 + +#define GEMTAG_CMD_PICC_REQUEST 0x40 +#define GEMTAG_PICC_REQALL 0x52 +#define GEMTAG_PICC_REQIDL 0x26 + +#define GEMTAG_CMD_PICC_CASC_ANTICOLL 0x41 +#define GEMTAG_CMD_PICC_CASC_SELECT 0x42 +#define GEMTAG_PICC_STD_SELECT_CODE 0x93 +#define GEMTAG_PICC_CASC_LEVEL1 0x95 +#define GEMTAG_PICC_CASC_LEVEL2 0x97 + +#define GEMTAG_CMD_PCD_CONFIG 0x10 +#define GEMTAG_CMD_PICC_ANTICOLL 0x12 +#define GEMTAG_CMD_PICC_SELECT 0x13 + +#define GEMTAG_CMD_PICC_AUTH 0x14 +#define GEMTAG_CMD_PICC_AUTH_E2 0x15 +#define GEMTAG_CMD_HOST_CODE_KEY 0x16 +#define GEMTAG_CMD_PCD_LOAD_KEY_E2 0x17 +#define GEMTAG_CMD_PICC_AUTH_KEY 0x18 +#define GEMTAG_PICC_AUTHENT1A +#define GEMTAG_PICC_AUTHENT1B + +#define GEMTAG_CMD_PICC_READ 0x19 +#define GEMTAG_CMD_PICC_WRITE 0x1a +#define GEMTAG_CMD_PICC_VALUE 0x1b +#define GEMTAG_CMD_PICC_VALUE_DEBIT 0x1c +#define GEMTAG_PICC_INCREMENT +#define GEMTAG_PICC_DECREMENT +#define GEMTAG_PICC_RESTORE +#define GEMTAG_CMD_PICC_HALT 0x1d +#define GEMTAG_CMD_PICC_WRITE4 0x1e +#define GEMTAG_CMD_COMMON_WRITE 0x1f +#define GEMTAG_PICC_WRITE16 +#define GEMTAG_PICC_WRITE4 + +#define GEMTAG_CMD_PCD_RF_RESET 0x20 + +#define GEMTAG_CMD_GET_SERIAL_NUMBER 0x22 + +#define GEMTAG_CMD_PCD_READ_E2 0x23 +#define GEMTAG_CMD_PCD_WRITE_E2 0x24 + +#define GEMTAG_CMD_PCD_SET_TMO 0x27 + +#define GEMTAG_CMD_PICC_COMMON_READ 0x28 +#define GEMTAG_PICC_READ16 + +#define GEMTAG_CMD_SET_ATTRIBUTES 0x46 +#define GEMTAG_CMD_SET_DFLT_ATTRIBUTES 0x45 + +#define GEMTAG_CMD_PPS_REQUEST 0xa0 +#define GEMTAG_CMD_DESELECT 0xa1 + +#define GEMTAG_CMD_SET_DEFAULT_BAUDRATE 0x81 +#define GEMTAG_CMD_SET_ONLINE_BAUDRATE 0x82 + +#define GEMTAG_CMD_SWITCH_LED 0x60 +#define GEMTAG_LED_OFF 0x00 +#define GEMTAG_LED_ON 0x01 + +#define GEMTAG_CMD_DETECT_CARD 0x92 +#define GEMTAG_CMD_DETECT_ISO15693_CARD 0x93 + #endif