Zvigadzirwa, Electronics
Chii JTAG-programmer?
Kune vazhinji yakasiyana configurations pamusoro programmers kuti kubvumira nyorazve Software kuitika microcontroller. Vangave akasiyana, rakagadzirirwa nyanzvi, kana, Ukuwo, vane itsanangudzo inowanikwa. Ekupedzisira inoreva programmer uye gamba ino. Uchadzidza kwete chete zvaari, asi sei kuti JTAG programmer nemaoko ake pachake. Ukaona chati uye mapikicha vanofanira kutarira sezvinoita mugumisiro.
Chii JTAG-programmer?
Sei kusarudza zvirongwa JTAG?
payakaipira programmer
Ichangobva shanduro microcontroller mhuri, pasina imwe basa haigoni chiite. Uyewo, pane zvinokosha matambudziko nevamiririri vane tsoka asingasviki 40, uye 16 KB okuyeuka. Sezvaunogona kuona, nhamba yemakambani vatengi iri nani zvishoma. Asi wandei dzakakurumbira mienzaniso chete achawira mariri, saka kuti zvinobatsira.
vanoronga
Nokuti mukuru nyore nevaya vasiri vanonyatsokwanisa programmer iri zvakakwana akagadzirirwa kuti MAX232, asi zvimwe zvaungaita kunodiwa chete kuumba chimwe chokuita.
kuchinja
Kwakapiwa kuti pane matunhu zvakafanira vanofanira chete vadzime bhodhi. Uyezve, neatly zvose zvakabatana, soldered kumunda uye aitarisa basa programmer pedyo firmware loader. Izvi zvinoteverwa pamwe AVR Studio kuti dzifambirane kuti firmware nokuda JTAG-zvirongwa ichangobva shanduro, kana chero zvakafanira. Pakazosvika adhaputa rinobatanidza programmer. Kana inoshanda - saka unogona anozodzidza chinotevera, iro rinotaura nuances basa uye zvirongwa. Zvinofanira kucherechedzwa kuti zvose tambo vari, ivo chete kunze bhokisi dziri.
Sezvo gadziriro nokuti oparesheni inofanira kuiswa fiyuzi matomu. Ivo kuvimba notation, umo basa rinoitwa. Nokuti nokunzwisisa ratinoparidza zvinotevera tafura pano:
chidimbu | Direct notation (Datasheet, UniProf) | Ivan Kuchin notation (AVR dude yan, PonyProg) |
OCDEN | [] | [1] |
JTAGEN | [] | [1] |
SPIEN | [] | [1] |
CKOPT | [1] | [] |
EESAVE | [1] | [] |
BOOTSZ1 | [] | [1] |
BOOTSZ0 | [] | [1] |
BOOTRST | [1] | [] |
BODLEVEL | [1] | [] |
BODEN | [1] | [] |
SUT1 | [] | [1] |
SUT0 | [] | [1] |
CKSEL3 | [1] | [] |
CKSEL2 | [1] | [] |
CKSEL1 | [1] | [] |
CKSEL0 | [1] | [] |
Uye unoziva sei kuti kusarudza? Mhinduro yomubvunzo uri nyore: unofanira kubatanidza kuti microcontroller uye kutanga kuverenga matomu idzodzo. Cherechedza SPIEN - kana paine maki pedyo nayo, ipapo zvinoreva kuti notation iri inverted. Kana hakusi - Saka zviri twasu. Kana zvose zvaitwa nemazvo, kuti programmer akagadzirira kusona microcontrollers. Asi kana iye vakazoroorwa asingakwanisi kuita firmware - ndaverengazve uye kuongorora zvinhu zvose zvakare.
Kushanda pamwe programmer
A zvishoma kudzidzira. Kutarisa chivhariso kupinda chengarava A 3 LEDs. Zvadaro chinobatanidza kuti bhodhi: mana waya inowanikwa (TCK, TDI, TMS, TDO) uye 2 Vcc simba anoenda akanaka uye GND zvakabatana pasi. Zvokudya zvose ndizvo, unogona kuenda mberi. The English zvinokosha kuronga bumbiro remitemo uye kumhanya naro. The chirongwa rinobatanidza nokukurumidza, vacharaswa vaisona ikoko uye kutanga kushanda. Kuongorora kuuraya kwacho, unogona achizviendesa F11, uye ipapo unogona kutarisa pamusoro chero nhamba remitemo zvino chirongwa. Zviri zvakakwana kuunza cursor kusvikira pamusara kuti kunosanganisira zvakatungamirira uye ichivhenekera kumusoro. Pane achiri zvakawanda kuedza. Yeuka kuti kuti kuita chimwe chinhu, unofanira kushanda. Regai mberi ichava kunonoka, asi pakupedzisira uchakwanisa kuwana chaizvo zvaunoda, chinhu chikuru - usanete uye kuramba ndimboedza nomunhu Kumikidzo yokungotaura hwaro (pasina izvozvo chero nenzira).
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