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2include <jtag.h>
3
4char sentÒ»value, received value;
5
6define MAX_COUNT 256;
7
8void main(void)
9{
10for (sent_value=0;sent_value<MAX_COUNT;sent_value++) H{
12apply_JTAG(sent_value,Bl .T);
13read¡ªJTAG (received_value,B2.R);
14if (sent_value != received value) exit (0);
15}
16exit(l);
17}ÔڸóÌÐòÖУ¬µÚ2ÐаüÀ¨´¦ÀíJTAG²Ù×÷µÄCÄ£¿é£¬ÆäÖж¨ÒåÁË·Ö±ðÓÃÔÚ12ÐÐºÍ 13Ðеĺ¯Êý¡°apply_JTAG¡±ºÍ¡°Read_JTAG¡±¡£SC320µÄÔ¤±àÒëÆ÷330ʶ±ðÕâЩº¯Êý²¢Éú³É TGT310µÄ²âÊÔ²Ù×÷ÃèÊöÎļþ331¡£²âÊÔ²Ù×÷ÃèÊöÎļþ331µÄ¸ñʽȡ¾öÓÚµÚÒ»µç·°å521 ºÍµÚ¶þµç·°å525µÄʵ¼Êʵʩ¶ø±ä»¯¡£ÀýÈ磬Èç¹ûµÚÒ»µç·°å521ºÍµÚ¶þµç·°å525¶¼ÊÇ IJTAG¼æÈݵģ¬Ôò¿ÉÒÔÀýÈçÀûÓÃÐÂɨÃèÃèÊöÓïÑÔ(NSDL)±àÂëÖ¸¶¨²âÊÔ²Ù×÷ÃèÊöÎļþ331¡£ TGT310ÀûÓòâÊÔ²Ù×÷ÃèÊöÎļþ331Éú³ÉTGTÔ×Ó²âÊÔ²Ù×÷316£¬TISA·ÒëÆ÷340½«ÕâЩ TGTÔ×Ó²âÊÔ²Ù×÷316·ÒëΪTISAÔ×Ó²âÊÔ²Ù×÷346¡£TISAÔ×Ó²âÊÔ²Ù×÷346±»Ìṩ¸ø SC320µÄǰ¶Ë324¡£Í¼5BËùʾΪTGTÔ×Ó²âÊÔ²Ù×÷316¡¢TISAÔ×Ó²âÊÔ²Ù×÷346ºÍÉú³ÉµÄ TISA ¶þ½øÖƱàÂ롣ͼ5Bʾ³öÁËÓÉÖ´ÐÐͼ5AµÄϵͳ²âÊÔ»·¾³500µÄ²âÊԵIJâÊÔϵͳʹÓõĴÓCÃüÁîµ½TISA±àÂëµÄÓ³Éä¡£Èçͼ5BËùʾ£¬Ê¹ÓþßÓÐÈçÏÂËÄÁеıí¸ñ540±íʾ´ÓCÃüÁîµ½TISA±àÂëµÄÓ³Éä¡°C ÃüÁÁÐ541¡¢¡°SVFÖ¸ÁÁÐ542¡¢¡°TISA»ã±à³ÌÐò¡±ÁÐ543ÒÔ¼°¡°TISA±àÂ롱ÁÐ544¡£±í¸ñ 540´Ó×óµ½ÓÒʾÀýÐÔʾ³öCÃüÁî±»·Òë³ÉSVFÖ¸Áî¡¢SVFÖ¸Áî±»·Òë³ÉTISA»ã±à³ÌÐò¡¢TISA »ã±à³ÌÐò±»±àÂëΪTISA ¶þ½øÖƱàÂëµÄ·½Ê½¡£Apply_JTAG (value, Bi. ¦³)ÃüÁî±»·Òë³ÉÁ½¸ö SVF ÃüÁîSIR 8 TDI (00)ºÍ SDR 24 TDI (value)¡£
18
SIR 8 TDI (00) SVFÖ¸Áî±»·Òë³ÉTISA»ã±à³ÌÐòµÄÈçÏÂÈý¸ö²Ù×÷SET 8£¬% cGENERIClSET 00£¬% cTDISIR TDI£¬Æä±»·Òë³É TISA ±àÂë 12010000¡£SDR 24 TDI (value) SVFÖ¸Áî±»·Òë³ÉTISA»ã±à³ÌÐòµÄÈçÏÂÈý¸ö²Ù×÷SET 24£¬% cGENERIClSET value, % cTDISDR TDI£¬Æä±»·Òë³É TISA ±àÂë 10010000¡£Read JTAG (value, ¦¢2¡¤ R)ÃüÁî±»·Òë³ÉÁ½¸ö SVF Ö¸ÁîSIR 8 TDI (01)ºÍ SDR 16 ACTUAL(value)¡£SIR 8 TDI (01) SVFÖ¸Áî±»·Òë³ÉTISA»ã±à³ÌÐòµÄÈçÏÂÈý¸ö²Ù×÷SET 8£¬% cGENERIClSET 01£¬% cTDISIR TDI£¬Æä±»·Òë³É TISA ±àÂë 12010000¡£SDR 16 ACTUAL (value) SVFÖ¸Áî±»·ÒëΪTISA»ã±à³ÌÐòµÄÈçÏÂÈý¸ö²Ù×÷SET 16£¬% cGENERIClSET ¡°value¡±£¬% cGENERIC2SDR ACTUAL£¬Æä±»·Òë³É TISA ±àÂë 10008000¡£Ã»ÓÐÖ¸¶¨SET²Ù×÷µÄTISA±àÂ룬ÕâÊÇÒòΪSPARC V8ÊֲὫËüÃÇʶ±ðΪ¡°Î±Ö¸Á£¬ Ëæ×Å´¦ÀíÆ÷µÄʵʩ£¬Î±Ö¸Áî¾ßÓв»Í¬µÄ±àÂë¡£ÀûÓÃËùÈ·¶¨µÄTISA±àÂ룬Ԥ±àÒëÆ÷330ÏÖÔÚ¿ÉÓø߼¶JTAG·ÃÎÊÏà¹ØµÄTISA»ã±àÖ¸ÁîÈ¡´ú¸Ã¸ß¼¶JTAG·ÃÎÊ¡£½á¹ûÊÇÏÂÁÐÓÃCÖ¸¶¨µÄ±àÂ룬ÆäÖе÷ÓÃJTAG TAPÒѾÓÉÏà¹ØµÄTISA»ã±à±àÂë´úÌæ1include <stdio.h>
2include <jtag.h>
3
4char sent_value, received value;
5
6define MAX_COUNT 256;
7
8void main(void)
9{
10for (sent_value=0;sent_value<MAX_COUNT;sent_value++)
H {
12asm volatile ("SET 8£¬%cGENERICl;
13SET 00, %cTDI;
14SIR TDI;
15SET 24, %cGENERICl£»
16SET &sent_value, %cTDI;
17SDR TDI;")£»
18asm volatile ("SET 8£¬%cGENERICl;
19SET 01, %cTDI;
20SIR TDI;
21SET 16, %cGENERIC 1 £»
22SET &received¡ªvalue, %cGENERIC2;
23SDR ACTUAL")£»
24if (sent¡ªvalue != received value) exit (0);
25}
26exit(l);
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