Tiks ir C. Dėkui, paskaitysiu. Praeitą savaitę Koronavausi, tai šią vėl pradėsiu eksperimentuot.
2022-02-09 13:16, Levas rašė:
> patys source codai (si karta STM32) yra:
> http://www.vabolis.lt/2020/05/21/arm0015-stm32cubemx-ekraniuku-bibliotekos-2-dalis/ > > > Kadangi gryna C, tai persirasyti i kita MCU nera problemos.
> > On 2022.02.09 13:13, Levas wrote:
>>
>> ir tikriausiai supratai, kad yra ST7735 su visokiom raidem ir >> pajungimais. Todel ir yra tie define.
>>
>> // If no video, try ALL config options. Tested only with ST7735R, >> 160x128, BGR mask.
>> // config files may contain errors.
>>
>> //#define ST7735B //Initialization code common to all ST7735B displays
>> #define ST7735R //Initialization code common to all ST7735R displays
>>
>> //ST7735R options:
>> //#define INITR_GREENTAB
>> #define INITR_REDTAB
>> //#define INITR_BLACKTAB
>> //#define INITR_MINI160x80
>> //#define INITR_HALLOWING // Hallowing is simply a 1.44" green tab >> upside-down:
>> //#define INITR_144GREENTAB
>>
>>
>>
>> On 2022.02.09 13:04, Levas wrote:
>>> niekas nesigylina i init seka vien todel, kad tai baisu. Tavo >>> dokumente, 158 lapas, arba 12 paragrafas.
>>>
>>> Kazkokia baisi schema. Dar kazkur turetu buti kita schema, kur >>> nupaisytas maitblokis (11). Ir dar kazkas:
>>> -DC/DC converter
>>> -Adjustable VCOM generation
>>> -Oscillator for display clock generation
>>> -Timing controller
>>>
>>> Visa sita pornografija konfiguruojama ir reguliuojama skaitmeniskai >>> inito metu.
>>>
>>> Debilnas flow chartas rodo, kad ekranas gali buti 9 buklese >>> (iskaiciuojant isjungta is rozetes) ir kad is vieno rezimo reikia >>> pereiti naudojant kazkokias sekas. Einan neteisingu keliu, galima >>> uztrumpinti maitbloki arba tuos stiprintuvus- per kokius nors >>> fantominius maitinimus.
>>>
>>>
>>> Siaip, gamintojas turi rekomendacijas kokie initai turi buti, ir >>> kogero reikia ju prisilaikyti. Vienu metu eksperimentavau su tuo, tai >>> nieko gero neisiburiau- arba veikia arba niekas nepakinta. Tacia >>> neaisku kiek viduje ten kas nors nesigadina.
>>>
>>>
>>> Mano eksperimentu ir paiesku internetuose rezutatas su komentarais:
>>> char ST7735_init(void)
>>> {
>>> #ifdef ST7735B
>>> static const uint8_t Bcmd[] = { // Init >>> commands for 7735B screens
>>> 18, // 18 commands in list:
>>> ST77XX_SWRESET, ST_CMD_DELAY, // 1: Software reset, no args, >>> w/delay
>>> 150, // *50 ms delay
>>> ST77XX_SLPOUT, ST_CMD_DELAY, // 2: Out of sleep mode, no >>> args, w/delay
>>> 255, // 255 = max (500 ms) delay
>>> ST77XX_COLMOD, 1+ST_CMD_DELAY, // 3: Set color mode, 1 arg + >>> delay:
>>> 0x05, // 16-bit color
>>> 10, // 10 ms delay
>>> ST7735_FRMCTR1, 3+ST_CMD_DELAY, // 4: Frame rate control, 3 >>> args + delay:
>>> 0x00, // fastest refresh
>>> 0x06, // 6 lines front porch
>>> 0x03, // 3 lines back porch
>>> 10, // 10 ms delay
>>> ST77XX_MADCTL, 1, // 5: Mem access ctl >>> (directions), 1 arg:
>>> 0x08, // Row/col addr, bottom-top >>> refresh
>>> ST7735_DISSET5, 2, // 6: Display settings #5, 2 args:
>>> 0x15, // 1 clk cycle nonoverlap, 2 >>> cycle gate
>>> // rise, 3 cycle osc equalize
>>> 0x02, // Fix on VTL
>>> ST7735_INVCTR, 1, // 7: Display inversion >>> control, 1 arg:
>>> 0x0, // Line inversion
>>> ST7735_PWCTR1, 2+ST_CMD_DELAY, // 8: Power control, 2 args + >>> delay:
>>> 0x02, // GVDD = 4.7V
>>> 0x70, // 1.0uA
>>> 10, // 10 ms delay
>>> ST7735_PWCTR2, 1, // 9: Power control, 1 arg, no >>> delay:
>>> 0x05, // VGH = 14.7V, VGL = -7.35V
>>> ST7735_PWCTR3, 2, // 10: Power control, 2 args, no >>> delay:
>>> 0x01, // Opamp current small
>>> 0x02, // Boost frequency
>>> ST7735_VMCTR1, 2+ST_CMD_DELAY, // 11: Power control, 2 args + >>> delay:
>>> 0x3C, // VCOMH = 4V
>>> 0x38, // VCOML = -1.1V
>>> 10, // 10 ms delay
>>> ST7735_PWCTR6, 2, // 12: Power control, 2 args, no >>> delay:
>>> 0x11, 0x15,
>>> ST7735_GMCTRP1,16, // 13: Gamma Adjustments (pos. >>> polarity), 16 args + delay:
>>> 0x09, 0x16, 0x09, 0x20, // (Not entirely necessary, >>> but provides
>>> 0x21, 0x1B, 0x13, 0x19, // accurate colors)
>>> 0x17, 0x15, 0x1E, 0x2B,
>>> 0x04, 0x05, 0x02, 0x0E,
>>> ST7735_GMCTRN1,16+ST_CMD_DELAY, // 14: Gamma Adjustments (neg. >>> polarity), 16 args + delay:
>>> 0x0B, 0x14, 0x08, 0x1E, // (Not entirely necessary, >>> but provides
>>> 0x22, 0x1D, 0x18, 0x1E, // accurate colors)
>>> 0x1B, 0x1A, 0x24, 0x2B,
>>> 0x06, 0x06, 0x02, 0x0F,
>>> 10, // 10 ms delay
>>> ST77XX_CASET, 4, // 15: Column addr set, 4 args, >>> no delay:
>>> 0x00, 0x02, // XSTART = 2
>>> 0x00, 0x81, // XEND = 129
>>> ST77XX_RASET, 4, // 16: Row addr set, 4 args, no >>> delay:
>>> 0x00, 0x02, // XSTART = 1
>>> 0x00, 0x81, // XEND = 160
>>> ST77XX_NORON, ST_CMD_DELAY, // 17: Normal display on, no >>> args, w/delay
>>> 10, // 10 ms delay
>>> ST77XX_DISPON, ST_CMD_DELAY, // 18: Main screen turn on, no >>> args, delay
>>> 255 }; // 255 = max (500 ms) delay
>>> #endif
>>>
>>> #ifdef ST7735R
>>> static const uint8_t Rcmd1[] = { // 7735R init, >>> part 1 (red or green tab)
>>> 15, // 15 commands in list:
>>> ST77XX_SWRESET, ST_CMD_DELAY, // 1: Software reset, 0 args, >>> w/delay
>>> 150, // 150 ms delay
>>> ST77XX_SLPOUT, ST_CMD_DELAY, // 2: Out of sleep mode, 0 >>> args, w/delay
>>> 255, // 500 ms delay
>>> ST7735_FRMCTR1, 3, // 3: Framerate ctrl - normal >>> mode, 3 arg:
>>> 0x01, 0x2C, 0x2D, // Rate = fosc/(1x2+40) * >>> (LINE+2C+2D)
>>> ST7735_FRMCTR2, 3, // 4: Framerate ctrl - idle >>> mode, 3 args:
>>> 0x01, 0x2C, 0x2D, // Rate = fosc/(1x2+40) * >>> (LINE+2C+2D)
>>> ST7735_FRMCTR3, 6, // 5: Framerate - partial mode, >>> 6 args:
>>> 0x01, 0x2C, 0x2D, // Dot inversion mode
>>> 0x01, 0x2C, 0x2D, // Line inversion mode
>>> ST7735_INVCTR, 1, // 6: Display inversion ctrl, 1 >>> arg:
>>> 0x07, // No inversion
>>> ST7735_PWCTR1, 3, // 7: Power control, 3 args, no >>> delay:
>>> 0xA2,
>>> 0x02, // -4.6V
>>> 0x84, // AUTO mode
>>> ST7735_PWCTR2, 1, // 8: Power control, 1 arg, no >>> delay:
>>> 0xC5, // VGH25=2.4C VGSEL=-10 >>> VGH=3 * AVDD
>>> ST7735_PWCTR3, 2, // 9: Power control, 2 args, no >>> delay:
>>> 0x0A, // Opamp current small
>>> 0x00, // Boost frequency
>>> ST7735_PWCTR4, 2, // 10: Power control, 2 args, no >>> delay:
>>> 0x8A, // BCLK/2,
>>> 0x2A, // opamp current small & >>> medium low
>>> ST7735_PWCTR5, 2, // 11: Power control, 2 args, no >>> delay:
>>> 0x8A, 0xEE,
>>> ST7735_VMCTR1, 1, // 12: Power control, 1 arg, no >>> delay:
>>> 0x0E,
>>> ST77XX_INVOFF, 0, // 13: Don't invert display, no >>> args
>>> ST77XX_MADCTL, 1, // 14: Mem access ctl >>> (directions), 1 arg:
>>> //check RGB or BGR mode pin D3. C8-RGB, C0-BGR
>>>
>>> 0xC0, // row/col addr, bottom-top >>> refresh
>>>
>>> ST77XX_COLMOD, 1, // 15: set color mode, 1 arg, no >>> delay:
>>> 0x05 }; // 16-bit color
>>> #endif
>>>
>>> #ifdef INITR_GREENTAB
>>> static const uint8_t Rcmd2green[] = { // 7735R init, >>> part 2 (green tab only)
>>> 2, // 2 commands in list:
>>> ST77XX_CASET, 4, // 1: Column addr set, 4 args, >>> no delay:
>>> 0x00, 0x02, // XSTART = 0
>>> 0x00, 0x7F+0x02, // XEND = 127
>>> ST77XX_RASET, 4, // 2: Row addr set, 4 args, no >>> delay:
>>> 0x00, 0x01, // XSTART = 0
>>> 0x00, 0x9F+0x01 }; // XEND = 159
>>> #endif
>>>
>>>
>>> #ifdef INITR_REDTAB
>>> static const uint8_t Rcmd2red[] = { // 7735R init, >>> part 2 (red tab only)
>>> 2, // 2 commands in list:
>>> ST77XX_CASET, 4, // 1: Column addr set, 4 args, >>> no delay:
>>> 0x00, 0x00, // XSTART = 0
>>> 0x00, 0x7F, // XEND = 127
>>> ST77XX_RASET, 4, // 2: Row addr set, 4 args, no >>> delay:
>>> 0x00, 0x00, // XSTART = 0
>>> 0x00, 0x9F }; // XEND = 159
>>> #endif
>>>
>>>
>>> #if defined INITR_144GREENTAB || defined INITR_HALLOWING
>>> static const uint8_t Rcmd2green144[] = { // 7735R init, >>> part 2 (green 1.44 tab)
>>> 2, // 2 commands in list:
>>> ST77XX_CASET, 4, // 1: Column addr set, 4 args, >>> no delay:
>>> 0x00, 0x00, // XSTART = 0
>>> 0x00, 0x7F, // XEND = 127
>>> ST77XX_RASET, 4, // 2: Row addr set, 4 args, no >>> delay:
>>> 0x00, 0x00, // XSTART = 0
>>> 0x00, 0x7F } ; // XEND = 127
>>> #endif
>>>
>>> #ifdef INITR_MINI160x80
>>> static const uint8_t Rcmd2green160x80[] = { // 7735R init, >>> part 2 (mini 160x80)
>>> 2, // 2 commands in list:
>>> ST77XX_CASET, 4, // 1: Column addr set, 4 args, >>> no delay:
>>> 0x00, 0x00, // XSTART = 0
>>> 0x00, 0x4F, // XEND = 79
>>> ST77XX_RASET, 4, // 2: Row addr set, 4 args, no >>> delay:
>>> 0x00, 0x00, // XSTART = 0
>>> 0x00, 0x9F } ; // XEND = 159
>>> #endif
>>>
>>> #if defined ST7735R
>>> static const uint8_t Rcmd3[] = { // 7735R init, >>> part 3 (red or green tab)
>>> 4, // 4 commands in list:
>>> ST7735_GMCTRP1, 16 , // 1: Gamma Adjustments (pos. >>> polarity), 16 args + delay:
>>> 0x02, 0x1c, 0x07, 0x12, // (Not entirely necessary, >>> but provides
>>> 0x37, 0x32, 0x29, 0x2d, // accurate colors)
>>> 0x29, 0x25, 0x2B, 0x39,
>>> 0x00, 0x01, 0x03, 0x10,
>>> ST7735_GMCTRN1, 16 , // 2: Gamma Adjustments (neg. >>> polarity), 16 args + delay:
>>> 0x03, 0x1d, 0x07, 0x06, // (Not entirely necessary, >>> but provides
>>> 0x2E, 0x2C, 0x29, 0x2D, // accurate colors)
>>> 0x2E, 0x2E, 0x37, 0x3F,
>>> 0x00, 0x00, 0x02, 0x10,
>>> ST77XX_NORON, ST_CMD_DELAY, // 3: Normal display on, no >>> args, w/delay
>>> 10, // 10 ms delay
>>> ST77XX_DISPON, ST_CMD_DELAY, // 4: Main screen turn on, no >>> args w/delay
>>> 100 }; // 100 ms del
>>> #endif
>>>
>>>
>>>
>>> #if defined ST7735B
>>> ST7735_writeinit(Bcmd);
>>>
>>> #elif defined ST7735R
>>> ST7735_writeinit(Rcmd1);
>>> #if defined INITR_144GREENTAB || defined INITR_HALLOWING
>>> ST7735_writeinit(Rcmd2green144);
>>> #elif defined INITR_MINI160x80
>>> ST7735_writeinit(Rcmd2green160x80);
>>> #else
>>> ST7735_writeinit(Rcmd2red);
>>> #endif
>>> ST7735_writeinit(Rcmd3);
>>> #endif
>>>
>>>
>>> return 1;
>>>
>>> }
>>>
>>>
>>>
>>> On 2022.02.08 14:56, Shadowed wrote:
>>>> Labos dienos visiems,
>>>>
>>>> Biškiuką sugalvojau paeksperimentuoti su TFT displėjuku, nedidelis >>>> 160x128. Iš karto pasakysiu, kad bibliotekų naudoti nenoriu, >>>> nepriklausomai nuo to ar tai Arduino ar STMo kubas, tai vien ST7735 >>>> Init() nepaeis. Skaičiau nemažai Interneto šaltinių, ten 95 % >>>> naudoja gatavą init'ą, o likę nepaaiškina ką ir kaip daro. Prisegu >>>> kontrolerio aprašymą. O klausimai tokie:
>>>>
>>>> 1. Kas per debilnas "Power flow chart" (68 psl.)... Čia taip >>>> suprantu turėtų būti paleidmo/inicializavimo seka, nu bet bl, >>>> niekaip nedašunta ką reikia incializuoti. SW reset vienintelis >>>> aiškus dalykas. Kad sleep out chingliš kalba yra Power On arba Wake >>>> up - supratau.
>>>>
>>>> 2. Displėjuko inicializavimui manyčiau naudojamos komandos iš 10 >>>> skyriaus, 77 psl. Bet čia jos tiesiog išvardintos, ir visai ne >>>> inicializavimo eilės tvarka, jos čia tiesiog visos išvardintos. Tai >>>> vėl bandau sukti galvą - tai kurias komandas leisti ? Šiaip >>>> kažkurias suleidau, pagal savo galvą, tai ekraniukas kažką rodo, bet >>>> ne visame plote ir, jei gerai suprantu, juodai baltą vaizdą.
>>>>
>>>> Tai dabar perskaičiau ką surašiau ir pats matau, kad vienintelis >>>> klausimas tai kokia turi būti komandų seka :D. Beje tuos gatavus >>>> initus peržiūrėjau, kai kurių komandų net nėra aprašyme. Turbūt dėl >>>> to su gatavu init displėjukas vaizdą rodo neteisingai, taip lyg 4 >>>> kadrai suspausti viename ekrane su juodais tarpais tarp jų. Kažkas >>>> inicializavime nepraeina normaliai, todėl ir sugalvojau pasirašyt >>>> savo, be jokių gatavų initų.
>>>
>>>
>>
>>
> >