Lub Koob Yees Duab Debugging Txoj Kev

1. Sab nraud teeb tsa lub voj voog txuas rau CRT zaub

Coj tawm peb lub zog, hauv av thiab teeb liab los ntawm lub koob yees duab analog los muab lub zog rau lub koob yees duab, thiab tom qab ntawd txuas cov kab teeb liab video mus rau video input interface ntawm lub thawv TV. Lub VGA-OUT ntawm lub thawv TV txuas nrog CRT zaub, kom CRT tuaj yeem pom lub koob yees duab digitized. Txoj kev no yog tag nrho cov khoom siv-qib zaub, muab cov nyhuv tib yam li tib neeg lub qhov muag tsis pom kev, uas yog kev pabcuam zoo rau kev teeb tsa lub koob yees duab thiab nws tus kheej lub cev tsis zoo kho.

2. Off-chip ncua LCD kua siv lead ua kua

HCS12 series MCUs muaj serial peripheral interface SPI (Serial Peripheral Interface), uas tuaj yeem paub txog cov ntaub ntawv xa mus ntawm MCUs, thiab nws qhov nrawm nrawm dua li ntawm kev sib txuas lus asynchronous (SCI). SPI module kuj txhawb kev sib txuas lus, synchronous, serial kev sib txuas lus ntawm MCU thiab cov khoom siv peripheral, thiab paub txog kev nthuav dav ntawm MCU.

(1) Tso cov cim Thaum lub kaw lus tab tom ua haujlwm, nws ua rau muaj qhov cuam tshuam kev ua haujlwm ntawm lub kaw lus nyob rau hauv daim ntawv ntawm cov cim. Txhua tus cim occupies 8 * 6 point kab thiab yuav tsum tau 6 bytes ntawm cov ntaub ntawv. Txhawm rau ua kom tiav cov cim qhia, koj tsuas yog yuav tsum sau cov ntaub ntawv sib raug mus rau qhov teev me ntsis hauv programming. Txij li cov kua siv lead ua kua nws tus kheej tsis muaj lub tsev qiv ntawv font, nws yog ib qho tsim nyog los txhais cov ntaub ntawv siv lead ua kua zaub dot matrix cov ntaub ntawv ntawm ASCII cov cim cov lus thaum pib ntawm qhov kev pab cuam, uas yog, ob-dimensional array nrog qhov loj ntawm N * 6 bytes.

(2) Tom qab cov teeb liab video sau los ntawm lub koob yees duab analog yog digitized los ntawm A / D ntawm MCU, cov ntaub ntawv khaws cia hauv 40 * 70 ob-dimensional array, thiab tom qab ntawd cov array yog binarized, thiab 48 * 84 daws teeb meem kua siv lead ua kua tuaj yeem tso tawm. Nws yog tso tawm nyob rau hauv lub module, tso cai rau cov neeg tsim khoom los soj ntsuam lub koob yees duab lub tshuab tsis pom kev hauv lub sijhawm.

Cov qauv no yog ib txoj kev tso saib ua ke nrog cov khoom siv kho vajtse thiab software, uas tuaj yeem taug qab thiab tso saib cov ntaub ntawv cuam tshuam ntawm lub koob yees duab hauv lub sijhawm tiag tiag yam tsis cuam tshuam cov txheej txheem khiav haujlwm thaum lub sijhawm tso saib.

3. Tus kheej-serial kev sib txuas lus host lub computer software

Siv SCI module ntawm MCU xa cov duab cov ntaub ntawv mus rau PC, thiab lub tshuab computer siv MSCOMM tswj programming los nyeem cov ntaub ntawv sib txuas lus. Tom qab nyeem cov ntaub ntawv, koj tuaj yeem siv cov ntaub ntawv muaj peev xwm ua tau zoo thiab cov duab tso saib muaj peev xwm ntawm windows program los ua cov ntaub ntawv duab, xws li: rov kos duab raws li cov ntaub ntawv, lim thiab txheeb xyuas cov array thiab tso saib cov nyhuv lim, thiab export cov tau txais array ua ib cov ntaub ntawv. Muab cov ntaub ntawv los ntawm lub computer simulations.

Txoj kev no yog ua tiav software tso saib txoj kev. Ntev npaum li cov ntaub ntawv tau txais los ntawm MCU, cov txheej txheem ua tiav tuaj yeem ua tiav ntawm PC. Nws muaj qhov zoo sib xws rau kev txheeb xyuas cov txiaj ntsig ntawm cov duab hloov pauv, lim kev tsom xam thiab cov tswv yim simulation cov ntaub ntawv.