1517 lines
67 KiB
C++
1517 lines
67 KiB
C++
// base class GxEPD2_GFX can be used to pass references or pointers to the display instance as parameter, uses ~1.2k more code
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// enable or disable GxEPD2_GFX base class
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#define ENABLE_GxEPD2_GFX 0
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// uncomment next line to use class GFX of library GFX_Root instead of Adafruit_GFX
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//#include <GFX.h>
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// Note: if you use this with ENABLE_GxEPD2_GFX 1:
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// uncomment it in GxEPD2_GFX.h too, or add #include <GFX.h> before any #include <GxEPD2_GFX.h>
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#include <GxEPD2_BW.h>
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#include <GxEPD2_3C.h>
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#include <GxEPD2_7C.h>
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// NOTE: you may need to adapt or select for your wiring in the processor specific conditional compile sections below
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// select the display class (only one), matching the kind of display panel
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#define GxEPD2_DISPLAY_CLASS GxEPD2_BW
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//#define GxEPD2_DISPLAY_CLASS GxEPD2_3C
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//#define GxEPD2_DISPLAY_CLASS GxEPD2_4C
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//#define GxEPD2_DISPLAY_CLASS GxEPD2_7C
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// select the display driver class (only one) for your panel
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//#define GxEPD2_DRIVER_CLASS GxEPD2_102 // GDEW0102T4 80x128, UC8175, (WFT0102CZA2)
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//#define GxEPD2_DRIVER_CLASS GxEPD2_150_BN // DEPG0150BN 200x200, SSD1681, (FPC8101), TTGO T5 V2.4.1
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//#define GxEPD2_DRIVER_CLASS GxEPD2_154 // GDEP015OC1 200x200, IL3829, (WFC0000CZ07), no longer available
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//#define GxEPD2_DRIVER_CLASS GxEPD2_154_D67 // GDEH0154D67 200x200, SSD1681, (HINK-E154A07-A1)
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//#define GxEPD2_DRIVER_CLASS GxEPD2_154_T8 // GDEW0154T8 152x152, UC8151 (IL0373), (WFT0154CZ17)
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//#define GxEPD2_DRIVER_CLASS GxEPD2_154_M09 // GDEW0154M09 200x200, JD79653A, (WFT0154CZB3)
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//#define GxEPD2_DRIVER_CLASS GxEPD2_154_M10 // GDEW0154M10 152x152, UC8151D, (WFT0154CZ17)
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//#define GxEPD2_DRIVER_CLASS GxEPD2_154_GDEY0154D67 // GDEY0154D67 200x200, SSD1681, (FPC-B001 20.05.21)
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//#define GxEPD2_DRIVER_CLASS GxEPD2_213 // GDE0213B1 122x250, IL3895, (HINK-E0213-G01), phased out
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//#define GxEPD2_DRIVER_CLASS GxEPD2_213_B72 // GDEH0213B72 122x250, SSD1675A (IL3897), (HINK-E0213A22-A0 SLH1852)
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//#define GxEPD2_DRIVER_CLASS GxEPD2_213_B73 // GDEH0213B73 122x250, SSD1675B, (HINK-E0213A22-A0 SLH1914)
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//#define GxEPD2_DRIVER_CLASS GxEPD2_213_B74 // GDEM0213B74 122x250, SSD1680, FPC-7528B)
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//#define GxEPD2_DRIVER_CLASS GxEPD2_213_flex // GDEW0213I5F 104x212, UC8151 (IL0373), (WFT0213CZ16)
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//#define GxEPD2_DRIVER_CLASS GxEPD2_213_M21 // GDEW0213M21 104x212, UC8151 (IL0373), (WFT0213CZ16)
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//#define GxEPD2_DRIVER_CLASS GxEPD2_213_T5D // GDEW0213T5D 104x212, UC8151D, (WFT0213CZ16)
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#define GxEPD2_DRIVER_CLASS GxEPD2_213_BN // DEPG0213BN 122x250, SSD1680, (FPC-7528B), TTGO T5 V2.4.1, V2.3.1
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//#define GxEPD2_DRIVER_CLASS GxEPD2_213_GDEY0213B74 // GDEY0213B74 122x250, SSD1680, (FPC-A002 20.04.08)
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//#define GxEPD2_DRIVER_CLASS GxEPD2_260 // GDEW026T0 152x296, UC8151 (IL0373), (WFT0154CZ17)
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//#define GxEPD2_DRIVER_CLASS GxEPD2_260_M01 // GDEW026M01 152x296, UC8151 (IL0373), (WFT0260CZB2)
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//#define GxEPD2_DRIVER_CLASS GxEPD2_266_BN // DEPG0266BN 152x296, SSD1680, (FPC7510), TTGO T5 V2.66, TTGO T5 V2.4.1
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//#define GxEPD2_DRIVER_CLASS GxEPD2_266_GDEY0266T90 // GDEY0266T90 152x296, SSD1680, (FPC-A003 HB)
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//#define GxEPD2_DRIVER_CLASS GxEPD2_270 // GDEW027W3 176x264, EK79652 (IL91874), (WFI0190CZ22)
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//#define GxEPD2_DRIVER_CLASS GxEPD2_270_GDEY027T91 // GDEY027T91 176x264, SSD1680, (FB)
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//#define GxEPD2_DRIVER_CLASS GxEPD2_290 // GDEH029A1 128x296, SSD1608 (IL3820), (E029A01-FPC-A1 SYX1553)
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//#define GxEPD2_DRIVER_CLASS GxEPD2_290_T5 // GDEW029T5 128x296, UC8151 (IL0373), (WFT0290CZ10)
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//#define GxEPD2_DRIVER_CLASS GxEPD2_290_T5D // GDEW029T5D 128x296, UC8151D, (WFT0290CZ10)
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//#define GxEPD2_DRIVER_CLASS GxEPD2_290_I6FD // GDEW029I6FD 128x296, UC8151D, (WFT0290CZ10)
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//#define GxEPD2_DRIVER_CLASS GxEPD2_290_T94 // GDEM029T94 128x296, SSD1680, (FPC-7519 rev.b)
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//#define GxEPD2_DRIVER_CLASS GxEPD2_290_T94_V2 // GDEM029T94 128x296, SSD1680, (FPC-7519 rev.b), Waveshare 2.9" V2 variant
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//#define GxEPD2_DRIVER_CLASS GxEPD2_290_BS // DEPG0290BS 128x296, SSD1680, (FPC-7519 rev.b)
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//#define GxEPD2_DRIVER_CLASS GxEPD2_290_M06 // GDEW029M06 128x296, UC8151D, (WFT0290CZ10)
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//#define GxEPD2_DRIVER_CLASS GxEPD2_290_GDEY029T94 // GDEY029T94 128x296, SSD1680, (FPC-A005 20.06.15)
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//#define GxEPD2_DRIVER_CLASS GxEPD2_310_GDEQ031T10 // GDEQ031T10 240x320, UC8253, (no inking, backside mark KEGMO 3100)
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//#define GxEPD2_DRIVER_CLASS GxEPD2_371 // GDEW0371W7 240x416, UC8171 (IL0324), (missing)
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//#define GxEPD2_DRIVER_CLASS GxEPD2_370_TC1 // ED037TC1 280x480, SSD1677, (ICA-FU-20 ichia 2029), Waveshare 3.7"
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//#define GxEPD2_DRIVER_CLASS GxEPD2_420 // GDEW042T2 400x300, UC8176 (IL0398), (WFT042CZ15)
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//#define GxEPD2_DRIVER_CLASS GxEPD2_420_M01 // GDEW042M01 400x300, UC8176 (IL0398), (WFT042CZ15)
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//#define GxEPD2_DRIVER_CLASS GxEPD2_420_GDEY042T81 // GDEY042T81 400x300, SSD1683 (no inking)
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//#define GxEPD2_DRIVER_CLASS GxEPD2_426_GDEQ0426T82 // GDEQ0426T82 480x800, SSD1677 (P426010-MF1-A)
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//#define GxEPD2_DRIVER_CLASS GxEPD2_583 // GDEW0583T7 600x448, UC8159c (IL0371), (missing)
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//#define GxEPD2_DRIVER_CLASS GxEPD2_583_T8 // GDEW0583T8 648x480, EK79655 (GD7965), (WFT0583CZ61)
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//#define GxEPD2_DRIVER_CLASS GxEPD2_583_GDEQ0583T31 // GDEQ0583T31 648x480, UC8179, (P583010-MF1-B)
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//#define GxEPD2_DRIVER_CLASS GxEPD2_750 // GDEW075T8 640x384, UC8159c (IL0371), (WF0583CZ09)
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//#define GxEPD2_DRIVER_CLASS GxEPD2_750_T7 // GDEW075T7 800x480, EK79655 (GD7965), (WFT0583CZ61)
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//#define GxEPD2_DRIVER_CLASS GxEPD2_750_YT7 // GDEY075T7 800x480, UC8179 (GD7965), (FPC-C001 20.8.20)
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//#define GxEPD2_DRIVER_CLASS GxEPD2_1160_T91 // GDEH116T91 960x640, SSD1677, (none or hidden)
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//#define GxEPD2_DRIVER_CLASS GxEPD2_1248 // GDEW1248T3 1304x984, UC8179, (WFT1248BZ23,WFT1248BZ24)
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// 3-color e-papers
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//#define GxEPD2_DRIVER_CLASS GxEPD2_154c // GDEW0154Z04 200x200, IL0376F, (WFT0000CZ04), no longer available
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//#define GxEPD2_DRIVER_CLASS GxEPD2_154_Z90c // GDEH0154Z90 200x200, SSD1681, (HINK-E154A07-A1)
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//#define GxEPD2_DRIVER_CLASS GxEPD2_213c // GDEW0213Z16 104x212, UC8151 (IL0373), (WFT0213CZ16)
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//#define GxEPD2_DRIVER_CLASS GxEPD2_213_Z19c // GDEH0213Z19 104x212, UC8151D, (HINK-E0213A20-A2 2020-11-19)
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//#define GxEPD2_DRIVER_CLASS GxEPD2_213_Z98c // GDEY0213Z98 122x250, SSD1680, (FPC-A002 20.04.08)
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//#define GxEPD2_DRIVER_CLASS GxEPD2_266c // GDEY0266Z90 152x296, SSD1680, (FPC-7510)
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//#define GxEPD2_DRIVER_CLASS GxEPD2_270c // GDEW027C44 176x264, IL91874, (WFI0190CZ22)
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//#define GxEPD2_DRIVER_CLASS GxEPD2_290c // GDEW029Z10 128x296, UC8151 (IL0373), (WFT0290CZ10)
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//#define GxEPD2_DRIVER_CLASS GxEPD2_290_Z13c // GDEH029Z13 128x296, UC8151D, (HINK-E029A10-A3 20160809)
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//#define GxEPD2_DRIVER_CLASS GxEPD2_290_C90c // GDEM029C90 128x296, SSD1680, (FPC-7519 rev.b)
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//#define GxEPD2_DRIVER_CLASS GxEPD2_420c // GDEW042Z15 400x300, UC8176 (IL0398), (WFT0420CZ15)
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//#define GxEPD2_DRIVER_CLASS GxEPD2_420c_Z21 // GDEQ042Z21 400x300, UC8276, (hidden)
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//#define GxEPD2_DRIVER_CLASS GxEPD2_583c // GDEW0583Z21 600x448, UC8159c (IL0371), (missing)
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//#define GxEPD2_DRIVER_CLASS GxEPD2_583c_Z83 // GDEW0583Z83 648x480, EK79655 (GD7965), (WFT0583CZ61)
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//#define GxEPD2_DRIVER_CLASS GxEPD2_750c // GDEW075Z09 640x384, UC8159c (IL0371), (WF0583CZ09)
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//#define GxEPD2_DRIVER_CLASS GxEPD2_750c_Z08 // GDEW075Z08 800x480, EK79655 (GD7965), (WFT0583CZ61)
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//#define GxEPD2_DRIVER_CLASS GxEPD2_750c_Z90 // GDEH075Z90 880x528, SSD1677, (HINK-E075A07-A0)
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//#define GxEPD2_DRIVER_CLASS GxEPD2_1248c // GDEY1248Z51 1304x984, UC8179, (WFT1248BZ23,WFT1248BZ24)
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// 4-color e-paper
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//#define GxEPD2_DRIVER_CLASS GxEPD2_266c_GDEY0266F51H // GDEY0266F51H 184x360, JD79667 (FPC-H006 22.04.02)
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//#define GxEPD2_DRIVER_CLASS GxEPD2_290c_GDEY029F51H // GDEY029F51H 168x384, JD79667 (FPC-H004 22.03.24)
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//#define GxEPD2_DRIVER_CLASS GxEPD2_300c // Waveshare 3.00" 4-color
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//#define GxEPD2_DRIVER_CLASS GxEPD2_420c_GDEY0420F51 // GDEY0420F51 400x300, HX8717 (no inking)
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//#define GxEPD2_DRIVER_CLASS GxEPD2_437c // Waveshare 4.37" 4-color
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// 7-color e-paper
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//#define GxEPD2_DRIVER_CLASS GxEPD2_565c // Waveshare 5.65" 7-color
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//#define GxEPD2_DRIVER_CLASS GxEPD2_730c_GDEY073D46 // GDEY073D46 800x480 7-color, (N-FPC-001 2021.11.26)
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// grey levels parallel IF e-papers on Waveshare e-Paper IT8951 Driver HAT
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//#define GxEPD2_DRIVER_CLASS GxEPD2_it60 // ED060SCT 800x600
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//#define GxEPD2_DRIVER_CLASS GxEPD2_it60_1448x1072 // ED060KC1 1448x1072
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//#define GxEPD2_DRIVER_CLASS GxEPD2_it78_1872x1404 // ED078KC2 1872x1404
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//#define GxEPD2_DRIVER_CLASS GxEPD2_it103_1872x1404 // ES103TC1 1872x1404
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// SS is usually used for CS. define here for easy change
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#ifndef EPD_CS
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#define EPD_CS SS
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#endif
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// somehow there should be an easier way to do this
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#define GxEPD2_BW_IS_GxEPD2_BW true
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#define GxEPD2_3C_IS_GxEPD2_3C true
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#define GxEPD2_4C_IS_GxEPD2_4C true
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#define GxEPD2_7C_IS_GxEPD2_7C true
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#define GxEPD2_1248_IS_GxEPD2_1248 true
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#define GxEPD2_1248c_IS_GxEPD2_1248c true
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#define IS_GxEPD(c, x) (c##x)
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#define IS_GxEPD2_BW(x) IS_GxEPD(GxEPD2_BW_IS_, x)
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#define IS_GxEPD2_3C(x) IS_GxEPD(GxEPD2_3C_IS_, x)
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#define IS_GxEPD2_4C(x) IS_GxEPD(GxEPD2_4C_IS_, x)
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#define IS_GxEPD2_7C(x) IS_GxEPD(GxEPD2_7C_IS_, x)
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#define IS_GxEPD2_1248(x) IS_GxEPD(GxEPD2_1248_IS_, x)
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#define IS_GxEPD2_1248c(x) IS_GxEPD(GxEPD2_1248c_IS_, x)
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#if defined (ESP8266)
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#define MAX_DISPLAY_BUFFER_SIZE (81920ul-34000ul-36000ul) // ~34000 base use, WiFiClientSecure seems to need about 36k more to work (with certificates)
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#if IS_GxEPD2_BW(GxEPD2_DISPLAY_CLASS)
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#define MAX_HEIGHT(EPD) (EPD::HEIGHT <= MAX_DISPLAY_BUFFER_SIZE / (EPD::WIDTH / 8) ? EPD::HEIGHT : MAX_DISPLAY_BUFFER_SIZE / (EPD::WIDTH / 8))
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#elif IS_GxEPD2_3C(GxEPD2_DISPLAY_CLASS) || IS_GxEPD2_4C(GxEPD2_DISPLAY_CLASS)
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#define MAX_HEIGHT(EPD) (EPD::HEIGHT <= (MAX_DISPLAY_BUFFER_SIZE / 2) / (EPD::WIDTH / 8) ? EPD::HEIGHT : (MAX_DISPLAY_BUFFER_SIZE / 2) / (EPD::WIDTH / 8))
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#elif IS_GxEPD2_7C(GxEPD2_DISPLAY_CLASS)
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#define MAX_HEIGHT(EPD) (EPD::HEIGHT <= (MAX_DISPLAY_BUFFER_SIZE) / (EPD::WIDTH / 2) ? EPD::HEIGHT : (MAX_DISPLAY_BUFFER_SIZE) / (EPD::WIDTH / 2))
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#endif
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// adapt the constructor parameters to your wiring
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GxEPD2_DISPLAY_CLASS<GxEPD2_DRIVER_CLASS, MAX_HEIGHT(GxEPD2_DRIVER_CLASS)> display(GxEPD2_DRIVER_CLASS(/*CS=D8*/ EPD_CS, /*DC=D3*/ 0, /*RST=D4*/ 2, /*BUSY=D2*/ 4));
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// mapping of Waveshare e-Paper ESP8266 Driver Board, new version
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//GxEPD2_DISPLAY_CLASS<GxEPD2_DRIVER_CLASS, MAX_HEIGHT(GxEPD2_DRIVER_CLASS)> display(GxEPD2_DRIVER_CLASS(/*CS=15*/ EPD_CS, /*DC=4*/ 4, /*RST=2*/ 2, /*BUSY=5*/ 5));
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// mapping of Waveshare e-Paper ESP8266 Driver Board, old version
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//GxEPD2_DISPLAY_CLASS<GxEPD2_DRIVER_CLASS, MAX_HEIGHT(GxEPD2_DRIVER_CLASS)> display(GxEPD2_DRIVER_CLASS(/*CS=15*/ EPD_CS, /*DC=4*/ 4, /*RST=5*/ 5, /*BUSY=16*/ 16));
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#undef MAX_DISPLAY_BUFFER_SIZE
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#undef MAX_HEIGHT
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#endif
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#if defined(ESP32)
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#define MAX_DISPLAY_BUFFER_SIZE 65536ul // e.g.
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#if IS_GxEPD2_BW(GxEPD2_DISPLAY_CLASS)
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#define MAX_HEIGHT(EPD) (EPD::HEIGHT <= MAX_DISPLAY_BUFFER_SIZE / (EPD::WIDTH / 8) ? EPD::HEIGHT : MAX_DISPLAY_BUFFER_SIZE / (EPD::WIDTH / 8))
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#elif IS_GxEPD2_3C(GxEPD2_DISPLAY_CLASS) || IS_GxEPD2_4C(GxEPD2_DISPLAY_CLASS)
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#define MAX_HEIGHT(EPD) (EPD::HEIGHT <= (MAX_DISPLAY_BUFFER_SIZE / 2) / (EPD::WIDTH / 8) ? EPD::HEIGHT : (MAX_DISPLAY_BUFFER_SIZE / 2) / (EPD::WIDTH / 8))
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#elif IS_GxEPD2_7C(GxEPD2_DISPLAY_CLASS)
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#define MAX_HEIGHT(EPD) (EPD::HEIGHT <= (MAX_DISPLAY_BUFFER_SIZE) / (EPD::WIDTH / 2) ? EPD::HEIGHT : (MAX_DISPLAY_BUFFER_SIZE) / (EPD::WIDTH / 2))
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#endif
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// adapt the constructor parameters to your wiring
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#if !IS_GxEPD2_1248(GxEPD2_DRIVER_CLASS) && !IS_GxEPD2_1248c(GxEPD2_DRIVER_CLASS)
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#if defined(ARDUINO_LOLIN_D32_PRO)
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GxEPD2_DISPLAY_CLASS<GxEPD2_DRIVER_CLASS, MAX_HEIGHT(GxEPD2_DRIVER_CLASS)> display(GxEPD2_DRIVER_CLASS(/*CS=5*/ EPD_CS, /*DC=*/ 0, /*RST=*/ 2, /*BUSY=*/ 15)); // my LOLIN_D32_PRO proto board
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#else
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//GxEPD2_DISPLAY_CLASS<GxEPD2_DRIVER_CLASS, MAX_HEIGHT(GxEPD2_DRIVER_CLASS)> display(GxEPD2_DRIVER_CLASS(/*CS=5*/ EPD_CS, /*DC=*/ 17, /*RST=*/ 16, /*BUSY=*/ 4)); // my suggested wiring and proto board
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GxEPD2_DISPLAY_CLASS<GxEPD2_DRIVER_CLASS, MAX_HEIGHT(GxEPD2_DRIVER_CLASS)> display(GxEPD2_DRIVER_CLASS(/*CS=5*/ 5, /*DC=*/ 17, /*RST=*/ 16, /*BUSY=*/ 4)); // LILYGO_T5_V2.4.1
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//GxEPD2_DISPLAY_CLASS<GxEPD2_DRIVER_CLASS, MAX_HEIGHT(GxEPD2_DRIVER_CLASS)> display(GxEPD2_DRIVER_CLASS(/*CS=5*/ EPD_CS, /*DC=*/ 19, /*RST=*/ 4, /*BUSY=*/ 34)); // LILYGO® TTGO T5 2.66
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//GxEPD2_DISPLAY_CLASS<GxEPD2_DRIVER_CLASS, MAX_HEIGHT(GxEPD2_DRIVER_CLASS)> display(GxEPD2_DRIVER_CLASS(/*CS=5*/ EPD_CS, /*DC=*/ 2, /*RST=*/ 0, /*BUSY=*/ 4)); // e.g. TTGO T8 ESP32-WROVER
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//GxEPD2_DISPLAY_CLASS<GxEPD2_DRIVER_CLASS, MAX_HEIGHT(GxEPD2_DRIVER_CLASS)> display(GxEPD2_DRIVER_CLASS(/*CS=*/ 15, /*DC=*/ 27, /*RST=*/ 26, /*BUSY=*/ 25)); // Waveshare ESP32 Driver Board
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#endif
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#else // GxEPD2_1248 or GxEPD2_1248c
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// Waveshare 12.48 b/w or b/w/r SPI display board and frame or Good Display 12.48 b/w panel GDEW1248T3 or b/w/r panel GDEY1248Z51
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// general constructor for use with all parameters, e.g. for Waveshare ESP32 driver board mounted on connection board
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GxEPD2_DISPLAY_CLASS < GxEPD2_DRIVER_CLASS, MAX_HEIGHT(GxEPD2_DRIVER_CLASS) > display(GxEPD2_DRIVER_CLASS(/*sck=*/ 13, /*miso=*/ 12, /*mosi=*/ 14,
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/*cs_m1=*/ 23, /*cs_s1=*/ 22, /*cs_m2=*/ 16, /*cs_s2=*/ 19,
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/*dc1=*/ 25, /*dc2=*/ 17, /*rst1=*/ 33, /*rst2=*/ 5,
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/*busy_m1=*/ 32, /*busy_s1=*/ 26, /*busy_m2=*/ 18, /*busy_s2=*/ 4));
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#endif
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#undef MAX_DISPLAY_BUFFER_SIZE
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#undef MAX_HEIGHT
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#endif
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#if defined(ARDUINO_UNOR4_WIFI)
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#define MAX_DISPLAY_BUFFER_SIZE 16384ul // e.g. half of available RAM
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#if IS_GxEPD2_BW(GxEPD2_DISPLAY_CLASS)
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#define MAX_HEIGHT(EPD) (EPD::HEIGHT <= MAX_DISPLAY_BUFFER_SIZE / (EPD::WIDTH / 8) ? EPD::HEIGHT : MAX_DISPLAY_BUFFER_SIZE / (EPD::WIDTH / 8))
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#elif IS_GxEPD2_3C(GxEPD2_DISPLAY_CLASS) || IS_GxEPD2_4C(GxEPD2_DISPLAY_CLASS)
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#define MAX_HEIGHT(EPD) (EPD::HEIGHT <= (MAX_DISPLAY_BUFFER_SIZE / 2) / (EPD::WIDTH / 8) ? EPD::HEIGHT : (MAX_DISPLAY_BUFFER_SIZE / 2) / (EPD::WIDTH / 8))
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#elif IS_GxEPD2_7C(GxEPD2_DISPLAY_CLASS)
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#define MAX_HEIGHT(EPD) (EPD::HEIGHT <= (MAX_DISPLAY_BUFFER_SIZE) / (EPD::WIDTH / 2) ? EPD::HEIGHT : (MAX_DISPLAY_BUFFER_SIZE) / (EPD::WIDTH / 2))
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#endif
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// adapt the constructor parameters to your wiring
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GxEPD2_DISPLAY_CLASS<GxEPD2_DRIVER_CLASS, MAX_HEIGHT(GxEPD2_DRIVER_CLASS)> display(GxEPD2_DRIVER_CLASS(/*CS=*/ EPD_CS, /*DC=*/ 8, /*RST=*/ 9, /*BUSY=*/ 7));
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#endif
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#if defined(ARDUINO_ARCH_RP2040)
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#define MAX_DISPLAY_BUFFER_SIZE 131072ul // e.g. half of available ram
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#if IS_GxEPD2_BW(GxEPD2_DISPLAY_CLASS)
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#define MAX_HEIGHT(EPD) (EPD::HEIGHT <= MAX_DISPLAY_BUFFER_SIZE / (EPD::WIDTH / 8) ? EPD::HEIGHT : MAX_DISPLAY_BUFFER_SIZE / (EPD::WIDTH / 8))
|
|
#elif IS_GxEPD2_3C(GxEPD2_DISPLAY_CLASS) || IS_GxEPD2_4C(GxEPD2_DISPLAY_CLASS)
|
|
#define MAX_HEIGHT(EPD) (EPD::HEIGHT <= (MAX_DISPLAY_BUFFER_SIZE / 2) / (EPD::WIDTH / 8) ? EPD::HEIGHT : (MAX_DISPLAY_BUFFER_SIZE / 2) / (EPD::WIDTH / 8))
|
|
#elif IS_GxEPD2_7C(GxEPD2_DISPLAY_CLASS)
|
|
#define MAX_HEIGHT(EPD) (EPD::HEIGHT <= (MAX_DISPLAY_BUFFER_SIZE) / (EPD::WIDTH / 2) ? EPD::HEIGHT : (MAX_DISPLAY_BUFFER_SIZE) / (EPD::WIDTH / 2))
|
|
#endif
|
|
#if defined(ARDUINO_NANO_RP2040_CONNECT)
|
|
// adapt the constructor parameters to your wiring
|
|
GxEPD2_DISPLAY_CLASS<GxEPD2_DRIVER_CLASS, MAX_HEIGHT(GxEPD2_DRIVER_CLASS)> display(GxEPD2_DRIVER_CLASS(/*CS=*/ EPD_CS, /*DC=*/ 8, /*RST=*/ 9, /*BUSY=*/ 7));
|
|
#endif
|
|
#if defined(ARDUINO_RASPBERRY_PI_PICO_W)
|
|
GxEPD2_DISPLAY_CLASS<GxEPD2_DRIVER_CLASS, MAX_HEIGHT(GxEPD2_DRIVER_CLASS)> display(GxEPD2_DRIVER_CLASS(/*CS=*/ 9, /*DC=*/ 8, /*RST=*/ 12, /*BUSY=*/ 13)); // Waveshare Pico-ePaper-2.9
|
|
#endif
|
|
#undef MAX_DISPLAY_BUFFER_SIZE
|
|
#undef MAX_HEIGHT
|
|
#endif
|
|
|
|
#if defined (ESP8266)
|
|
#include <ESP8266WiFi.h>
|
|
#endif
|
|
|
|
#include <WiFiClient.h>
|
|
#include <WiFiClientSecure.h>
|
|
|
|
const char* ssid = "RePe2";
|
|
const char* password = "wundergealsing";
|
|
const int httpPort = 80;
|
|
const int httpsPort = 443;
|
|
|
|
// note: the certificates have been moved to a separate header file, as R"CERT( destroys IDE Auto Format capability
|
|
|
|
#include "GxEPD2_ostrachhelp_raw_certs.h"
|
|
|
|
const char* certificate_rawcontent = cert_R3_CA;
|
|
//const char* certificate_rawcontent = github_io_chain_pem_first; // ok, should work until Tue, 21 Mar 2023 23:59:59 GMT
|
|
//const char* certificate_rawcontent = github_io_chain_pem_second; // ok, should work until Tue, 21 Mar 2023 23:59:59 GMT
|
|
//const char* certificate_rawcontent = github_io_chain_pem_third; // ok, should work until Tue, 21 Mar 2023 23:59:59 GMT
|
|
|
|
// https://support.ostrachhelp.de/p_reichart/esp32-epaper/raw/branch/main/testimages/aloy_banuk_color.bmp
|
|
const char* host_rawcontent = "support.ostrachhelp.de";
|
|
const char* path_rawcontent = "/p_reichart/esp32-epaper/raw/branch/main/testimages/";
|
|
const char* fp_rawcontent = "CB 12 9D 09 66 56 63 64 6D 22 99 9D 0B 06 40 27 D2 CC 6E DC";
|
|
|
|
// note that BMP bitmaps are drawn at physical position in physical orientation of the screen
|
|
void showBitmapFrom_HTTP(const char* host, const char* path, const char* filename, int16_t x, int16_t y, bool with_color = true);
|
|
void showBitmapFrom_HTTPS(const char* host, const char* path, const char* filename, const char* fingerprint, int16_t x, int16_t y, bool with_color = true,
|
|
const char* certificate = certificate_rawcontent);
|
|
|
|
// draws BMP bitmap according to set orientation
|
|
void showBitmapFrom_HTTP_Buffered(const char* host, const char* path, const char* filename, int16_t x, int16_t y, bool with_color = true);
|
|
void showBitmapFrom_HTTPS_Buffered(const char* host, const char* path, const char* filename, const char* fingerprint, int16_t x, int16_t y, bool with_color = true,
|
|
const char* certificate = certificate_rawcontent);
|
|
|
|
#if defined(ESP32)
|
|
// uncomment next line to use HSPI for EPD (and VSPI for SD), e.g. with Waveshare ESP32 Driver Board
|
|
//#define USE_HSPI_FOR_EPD
|
|
#endif
|
|
|
|
#if defined(ARDUINO_RASPBERRY_PI_PICO_W)
|
|
// SPIClassRP2040(spi_inst_t *spi, pin_size_t rx, pin_size_t cs, pin_size_t sck, pin_size_t tx);
|
|
// uncomment next line for use with Waveshare Pico-ePaper-2.9.
|
|
SPIClassRP2040 SPIn(spi1, 12, 13, 10, 11); // need be valid pins for same SPI channel, else fails blinking 4 long 4 short
|
|
#endif
|
|
|
|
#if defined(ESP32) && defined(USE_HSPI_FOR_EPD)
|
|
SPIClass hspi(HSPI);
|
|
#endif
|
|
|
|
void setup()
|
|
{
|
|
#if defined(ESP32) && defined(USE_HSPI_FOR_EPD)
|
|
hspi.begin(13, 12, 14, 15); // remap hspi for EPD (swap pins)
|
|
display.epd2.selectSPI(hspi, SPISettings(4000000, MSBFIRST, SPI_MODE0));
|
|
#endif
|
|
#if defined(ARDUINO_RASPBERRY_PI_PICO_W)
|
|
delay(2000); // USB serial available
|
|
display.epd2.selectSPI(SPIn, SPISettings(4000000, MSBFIRST, SPI_MODE0));
|
|
#endif
|
|
|
|
Serial.begin(115200);
|
|
Serial.println();
|
|
Serial.println("GxEPD2_WiFi_Example");
|
|
|
|
//display.init(115200); // default 10ms reset pulse, e.g. for bare panels with DESPI-C02
|
|
display.init(115200, true, 2, false); // USE THIS for Waveshare boards with "clever" reset circuit, 2ms reset pulse
|
|
|
|
#if defined (ESP8266) || defined (ESP32)
|
|
#ifdef RE_INIT_NEEDED
|
|
WiFi.persistent(true);
|
|
WiFi.mode(WIFI_STA); // switch off AP
|
|
WiFi.setAutoConnect(true);
|
|
WiFi.setAutoReconnect(true);
|
|
WiFi.disconnect();
|
|
#endif
|
|
|
|
if (!WiFi.getAutoConnect() || ( WiFi.getMode() != WIFI_STA) || ((WiFi.SSID() != ssid) && String(ssid) != "........"))
|
|
{
|
|
Serial.println();
|
|
Serial.print("WiFi.getAutoConnect() = ");
|
|
Serial.println(WiFi.getAutoConnect());
|
|
Serial.print("WiFi.SSID() = ");
|
|
Serial.println(WiFi.SSID());
|
|
WiFi.mode(WIFI_STA); // switch off AP
|
|
Serial.print("Connecting to ");
|
|
Serial.println(ssid);
|
|
WiFi.begin(ssid, password);
|
|
}
|
|
#else
|
|
Serial.print("Connecting to ");
|
|
Serial.println(ssid);
|
|
WiFi.begin(ssid, password);
|
|
#endif
|
|
int ConnectTimeout = 60; // 30 seconds
|
|
while (WiFi.status() != WL_CONNECTED)
|
|
{
|
|
delay(500);
|
|
Serial.print(".");
|
|
Serial.print(WiFi.status());
|
|
if (--ConnectTimeout <= 0)
|
|
{
|
|
Serial.println();
|
|
Serial.println("WiFi connect timeout");
|
|
return;
|
|
}
|
|
}
|
|
Serial.println();
|
|
Serial.println("WiFi connected");
|
|
|
|
// Print the IP address
|
|
Serial.println(WiFi.localIP());
|
|
|
|
setClock();
|
|
|
|
if ((display.epd2.panel == GxEPD2::GDEW0154Z04) || (display.epd2.panel == GxEPD2::ACeP565) || (display.epd2.panel == GxEPD2::GDEY073D46) || false)
|
|
{
|
|
//drawBitmapsBuffered_200x200();
|
|
//drawBitmapsBuffered_other();
|
|
//drawBitmapsBuffered_7C();
|
|
}
|
|
else
|
|
{
|
|
//drawBitmapsBuffered_200x200();
|
|
drawBitmaps_200x200();
|
|
//drawBitmaps_other();
|
|
}
|
|
|
|
//drawBitmaps_test();
|
|
//drawBitmapsBuffered_test();
|
|
|
|
Serial.println("GxEPD2_WiFi_Example done");
|
|
}
|
|
|
|
void loop(void)
|
|
{
|
|
}
|
|
|
|
void drawBitmaps_200x200()
|
|
{
|
|
int16_t x = 0; // int16_t x = (display.width() - 250) / 2;
|
|
int16_t y = 0; // int16_t y = (display.height() - 122) / 2;
|
|
showBitmapFrom_HTTPS(host_rawcontent, path_rawcontent, "aloy_banuk_sw_rot.bmp", fp_rawcontent, x, y);
|
|
delay(5000);
|
|
showBitmapFrom_HTTPS(host_rawcontent, path_rawcontent, "aloy_hzd_rot.bmp", fp_rawcontent, x, y);
|
|
|
|
}
|
|
|
|
void drawBitmapsBuffered_200x200()
|
|
{
|
|
int16_t x = 0; //int16_t x = (display.width() - 122) / 2;
|
|
int16_t y = 0; //int16_t y = (display.height() - 250) / 2;
|
|
showBitmapFrom_HTTPS_Buffered(host_rawcontent, path_rawcontent, "aloy_banuk_sw_rot.bmp", fp_rawcontent, x, y);
|
|
delay(5000);
|
|
showBitmapFrom_HTTPS_Buffered(host_rawcontent, path_rawcontent, "aloy_hzd_rot.bmp", fp_rawcontent, x, y);
|
|
}
|
|
|
|
static const uint16_t input_buffer_pixels = 800; // may affect performance
|
|
|
|
static const uint16_t max_row_width = 1872; // for up to 7.8" display 1872x1404
|
|
static const uint16_t max_palette_pixels = 256; // for depth <= 8
|
|
|
|
uint8_t input_buffer[3 * input_buffer_pixels]; // up to depth 24
|
|
uint8_t output_row_mono_buffer[max_row_width / 8]; // buffer for at least one row of b/w bits
|
|
uint8_t output_row_color_buffer[max_row_width / 8]; // buffer for at least one row of color bits
|
|
uint8_t mono_palette_buffer[max_palette_pixels / 8]; // palette buffer for depth <= 8 b/w
|
|
uint8_t color_palette_buffer[max_palette_pixels / 8]; // palette buffer for depth <= 8 c/w
|
|
uint16_t rgb_palette_buffer[max_palette_pixels]; // palette buffer for depth <= 8 for buffered graphics, needed for 7-color display
|
|
|
|
void showBitmapFrom_HTTP(const char* host, const char* path, const char* filename, int16_t x, int16_t y, bool with_color)
|
|
{
|
|
WiFiClient client;
|
|
bool connection_ok = false;
|
|
bool valid = false; // valid format to be handled
|
|
bool flip = true; // bitmap is stored bottom-to-top
|
|
uint32_t startTime = millis();
|
|
if ((x >= display.epd2.WIDTH) || (y >= display.epd2.HEIGHT)) return;
|
|
Serial.println(); Serial.print("downloading file \""); Serial.print(filename); Serial.println("\"");
|
|
Serial.print("connecting to "); Serial.println(host);
|
|
if (!client.connect(host, httpPort))
|
|
{
|
|
Serial.println("connection failed");
|
|
return;
|
|
}
|
|
Serial.print("requesting URL: ");
|
|
Serial.println(String("http://") + host + path + filename);
|
|
client.print(String("GET ") + path + filename + " HTTP/1.1\r\n" +
|
|
"Host: " + host + "\r\n" +
|
|
"User-Agent: GxEPD2_WiFi_Example\r\n" +
|
|
"Connection: close\r\n\r\n");
|
|
Serial.println("request sent");
|
|
while (client.connected())
|
|
{
|
|
String line = client.readStringUntil('\n');
|
|
if (!connection_ok)
|
|
{
|
|
connection_ok = line.startsWith("HTTP/1.1 200 OK");
|
|
if (connection_ok) Serial.println(line);
|
|
//if (!connection_ok) Serial.println(line);
|
|
}
|
|
if (!connection_ok) Serial.println(line);
|
|
//Serial.println(line);
|
|
if (line == "\r")
|
|
{
|
|
Serial.println("headers received");
|
|
break;
|
|
}
|
|
}
|
|
if (!connection_ok) return;
|
|
// Parse BMP header
|
|
if (read16(client) == 0x4D42) // BMP signature
|
|
{
|
|
uint32_t fileSize = read32(client);
|
|
uint32_t creatorBytes = read32(client); (void)creatorBytes; //unused
|
|
uint32_t imageOffset = read32(client); // Start of image data
|
|
uint32_t headerSize = read32(client);
|
|
uint32_t width = read32(client);
|
|
int32_t height = (int32_t) read32(client);
|
|
uint16_t planes = read16(client);
|
|
uint16_t depth = read16(client); // bits per pixel
|
|
uint32_t format = read32(client);
|
|
uint32_t bytes_read = 7 * 4 + 3 * 2; // read so far
|
|
if ((planes == 1) && ((format == 0) || (format == 3))) // uncompressed is handled, 565 also
|
|
{
|
|
Serial.print("File size: "); Serial.println(fileSize);
|
|
Serial.print("Image Offset: "); Serial.println(imageOffset);
|
|
Serial.print("Header size: "); Serial.println(headerSize);
|
|
Serial.print("Bit Depth: "); Serial.println(depth);
|
|
Serial.print("Image size: ");
|
|
Serial.print(width);
|
|
Serial.print('x');
|
|
Serial.println(height);
|
|
// BMP rows are padded (if needed) to 4-byte boundary
|
|
uint32_t rowSize = (width * depth / 8 + 3) & ~3;
|
|
if (depth < 8) rowSize = ((width * depth + 8 - depth) / 8 + 3) & ~3;
|
|
if (height < 0)
|
|
{
|
|
height = -height;
|
|
flip = false;
|
|
}
|
|
uint16_t w = width;
|
|
uint16_t h = height;
|
|
if ((x + w - 1) >= display.epd2.WIDTH) w = display.epd2.WIDTH - x;
|
|
if ((y + h - 1) >= display.epd2.HEIGHT) h = display.epd2.HEIGHT - y;
|
|
if (w <= max_row_width) // handle with direct drawing
|
|
{
|
|
valid = true;
|
|
uint8_t bitmask = 0xFF;
|
|
uint8_t bitshift = 8 - depth;
|
|
uint16_t red, green, blue;
|
|
bool whitish = false;
|
|
bool colored = false;
|
|
if (depth == 1) with_color = false;
|
|
if (depth <= 8)
|
|
{
|
|
if (depth < 8) bitmask >>= depth;
|
|
//bytes_read += skip(client, 54 - bytes_read); //palette is always @ 54
|
|
bytes_read += skip(client, imageOffset - (4 << depth) - bytes_read); // 54 for regular, diff for colorsimportant
|
|
for (uint16_t pn = 0; pn < (1 << depth); pn++)
|
|
{
|
|
blue = client.read();
|
|
green = client.read();
|
|
red = client.read();
|
|
client.read();
|
|
bytes_read += 4;
|
|
whitish = with_color ? ((red > 0x80) && (green > 0x80) && (blue > 0x80)) : ((red + green + blue) > 3 * 0x80); // whitish
|
|
colored = (red > 0xF0) || ((green > 0xF0) && (blue > 0xF0)); // reddish or yellowish?
|
|
if (0 == pn % 8) mono_palette_buffer[pn / 8] = 0;
|
|
mono_palette_buffer[pn / 8] |= whitish << pn % 8;
|
|
if (0 == pn % 8) color_palette_buffer[pn / 8] = 0;
|
|
color_palette_buffer[pn / 8] |= colored << pn % 8;
|
|
}
|
|
}
|
|
display.clearScreen();
|
|
uint32_t rowPosition = flip ? imageOffset + (height - h) * rowSize : imageOffset;
|
|
//Serial.print("skip "); Serial.println(rowPosition - bytes_read);
|
|
bytes_read += skip(client, rowPosition - bytes_read);
|
|
for (uint16_t row = 0; row < h; row++, rowPosition += rowSize) // for each line
|
|
{
|
|
if (!connection_ok || !(client.connected() || client.available())) break;
|
|
delay(1); // yield() to avoid WDT
|
|
uint32_t in_remain = rowSize;
|
|
uint32_t in_idx = 0;
|
|
uint32_t in_bytes = 0;
|
|
uint8_t in_byte = 0; // for depth <= 8
|
|
uint8_t in_bits = 0; // for depth <= 8
|
|
uint8_t out_byte = 0xFF; // white (for w%8!=0 border)
|
|
uint8_t out_color_byte = 0xFF; // white (for w%8!=0 border)
|
|
uint32_t out_idx = 0;
|
|
for (uint16_t col = 0; col < w; col++) // for each pixel
|
|
{
|
|
yield();
|
|
if (!connection_ok || !(client.connected() || client.available())) break;
|
|
// Time to read more pixel data?
|
|
if (in_idx >= in_bytes) // ok, exact match for 24bit also (size IS multiple of 3)
|
|
{
|
|
uint32_t get = in_remain > sizeof(input_buffer) ? sizeof(input_buffer) : in_remain;
|
|
uint32_t got = read8n(client, input_buffer, get);
|
|
while ((got < get) && connection_ok)
|
|
{
|
|
//Serial.print("got "); Serial.print(got); Serial.print(" < "); Serial.print(get); Serial.print(" @ "); Serial.println(bytes_read);
|
|
uint32_t gotmore = read8n(client, input_buffer + got, get - got);
|
|
got += gotmore;
|
|
connection_ok = gotmore > 0;
|
|
}
|
|
in_bytes = got;
|
|
in_remain -= got;
|
|
bytes_read += got;
|
|
}
|
|
if (!connection_ok)
|
|
{
|
|
Serial.print("Error: got no more after "); Serial.print(bytes_read); Serial.println(" bytes read!");
|
|
break;
|
|
}
|
|
switch (depth)
|
|
{
|
|
case 32:
|
|
blue = input_buffer[in_idx++];
|
|
green = input_buffer[in_idx++];
|
|
red = input_buffer[in_idx++];
|
|
in_idx++; // skip alpha
|
|
whitish = with_color ? ((red > 0x80) && (green > 0x80) && (blue > 0x80)) : ((red + green + blue) > 3 * 0x80); // whitish
|
|
colored = (red > 0xF0) || ((green > 0xF0) && (blue > 0xF0)); // reddish or yellowish?
|
|
break;
|
|
case 24:
|
|
blue = input_buffer[in_idx++];
|
|
green = input_buffer[in_idx++];
|
|
red = input_buffer[in_idx++];
|
|
whitish = with_color ? ((red > 0x80) && (green > 0x80) && (blue > 0x80)) : ((red + green + blue) > 3 * 0x80); // whitish
|
|
colored = (red > 0xF0) || ((green > 0xF0) && (blue > 0xF0)); // reddish or yellowish?
|
|
break;
|
|
case 16:
|
|
{
|
|
uint8_t lsb = input_buffer[in_idx++];
|
|
uint8_t msb = input_buffer[in_idx++];
|
|
if (format == 0) // 555
|
|
{
|
|
blue = (lsb & 0x1F) << 3;
|
|
green = ((msb & 0x03) << 6) | ((lsb & 0xE0) >> 2);
|
|
red = (msb & 0x7C) << 1;
|
|
}
|
|
else // 565
|
|
{
|
|
blue = (lsb & 0x1F) << 3;
|
|
green = ((msb & 0x07) << 5) | ((lsb & 0xE0) >> 3);
|
|
red = (msb & 0xF8);
|
|
}
|
|
whitish = with_color ? ((red > 0x80) && (green > 0x80) && (blue > 0x80)) : ((red + green + blue) > 3 * 0x80); // whitish
|
|
colored = (red > 0xF0) || ((green > 0xF0) && (blue > 0xF0)); // reddish or yellowish?
|
|
}
|
|
break;
|
|
case 1:
|
|
case 2:
|
|
case 4:
|
|
case 8:
|
|
{
|
|
if (0 == in_bits)
|
|
{
|
|
in_byte = input_buffer[in_idx++];
|
|
in_bits = 8;
|
|
}
|
|
uint16_t pn = (in_byte >> bitshift) & bitmask;
|
|
whitish = mono_palette_buffer[pn / 8] & (0x1 << pn % 8);
|
|
colored = color_palette_buffer[pn / 8] & (0x1 << pn % 8);
|
|
in_byte <<= depth;
|
|
in_bits -= depth;
|
|
}
|
|
break;
|
|
}
|
|
if (whitish)
|
|
{
|
|
// keep white
|
|
}
|
|
else if (colored && with_color)
|
|
{
|
|
out_color_byte &= ~(0x80 >> col % 8); // colored
|
|
}
|
|
else
|
|
{
|
|
out_byte &= ~(0x80 >> col % 8); // black
|
|
}
|
|
if ((7 == col % 8) || (col == w - 1)) // write that last byte! (for w%8!=0 border)
|
|
{
|
|
output_row_color_buffer[out_idx] = out_color_byte;
|
|
output_row_mono_buffer[out_idx++] = out_byte;
|
|
out_byte = 0xFF; // white (for w%8!=0 border)
|
|
out_color_byte = 0xFF; // white (for w%8!=0 border)
|
|
}
|
|
} // end pixel
|
|
int16_t yrow = y + (flip ? h - row - 1 : row);
|
|
display.writeImage(output_row_mono_buffer, output_row_color_buffer, x, yrow, w, 1);
|
|
} // end line
|
|
Serial.print("downloaded in ");
|
|
Serial.print(millis() - startTime);
|
|
Serial.println(" ms");
|
|
display.refresh();
|
|
}
|
|
Serial.print("bytes read "); Serial.println(bytes_read);
|
|
}
|
|
}
|
|
client.stop();
|
|
if (!valid)
|
|
{
|
|
Serial.println("bitmap format not handled.");
|
|
}
|
|
}
|
|
|
|
void drawBitmapFrom_HTTP_ToBuffer(const char* host, const char* path, const char* filename, int16_t x, int16_t y, bool with_color)
|
|
{
|
|
WiFiClient client;
|
|
bool connection_ok = false;
|
|
bool valid = false; // valid format to be handled
|
|
bool flip = true; // bitmap is stored bottom-to-top
|
|
bool has_multicolors = (display.epd2.panel == GxEPD2::ACeP565) || (display.epd2.panel == GxEPD2::GDEY073D46);
|
|
uint32_t startTime = millis();
|
|
if ((x >= display.width()) || (y >= display.height())) return;
|
|
display.fillScreen(GxEPD_WHITE);
|
|
Serial.print("connecting to "); Serial.println(host);
|
|
if (!client.connect(host, httpPort))
|
|
{
|
|
Serial.println("connection failed");
|
|
return;
|
|
}
|
|
Serial.print("requesting URL: ");
|
|
Serial.println(String("http://") + host + path + filename);
|
|
client.print(String("GET ") + path + filename + " HTTP/1.1\r\n" +
|
|
"Host: " + host + "\r\n" +
|
|
"User-Agent: GxEPD2_WiFi_Example\r\n" +
|
|
"Connection: close\r\n\r\n");
|
|
Serial.println("request sent");
|
|
while (client.connected())
|
|
{
|
|
String line = client.readStringUntil('\n');
|
|
if (!connection_ok)
|
|
{
|
|
connection_ok = line.startsWith("HTTP/1.1 200 OK");
|
|
if (connection_ok) Serial.println(line);
|
|
//if (!connection_ok) Serial.println(line);
|
|
}
|
|
if (!connection_ok) Serial.println(line);
|
|
//Serial.println(line);
|
|
if (line == "\r")
|
|
{
|
|
Serial.println("headers received");
|
|
break;
|
|
}
|
|
}
|
|
if (!connection_ok) return;
|
|
// Parse BMP header
|
|
if (read16(client) == 0x4D42) // BMP signature
|
|
{
|
|
uint32_t fileSize = read32(client);
|
|
uint32_t creatorBytes = read32(client); (void)creatorBytes; //unused
|
|
uint32_t imageOffset = read32(client); // Start of image data
|
|
uint32_t headerSize = read32(client);
|
|
uint32_t width = read32(client);
|
|
int32_t height = (int32_t) read32(client);
|
|
uint16_t planes = read16(client);
|
|
uint16_t depth = read16(client); // bits per pixel
|
|
uint32_t format = read32(client);
|
|
uint32_t bytes_read = 7 * 4 + 3 * 2; // read so far
|
|
if ((planes == 1) && ((format == 0) || (format == 3))) // uncompressed is handled, 565 also
|
|
{
|
|
Serial.print("File size: "); Serial.println(fileSize);
|
|
Serial.print("Image Offset: "); Serial.println(imageOffset);
|
|
Serial.print("Header size: "); Serial.println(headerSize);
|
|
Serial.print("Bit Depth: "); Serial.println(depth);
|
|
Serial.print("Image size: ");
|
|
Serial.print(width);
|
|
Serial.print('x');
|
|
Serial.println(height);
|
|
// BMP rows are padded (if needed) to 4-byte boundary
|
|
uint32_t rowSize = (width * depth / 8 + 3) & ~3;
|
|
if (depth < 8) rowSize = ((width * depth + 8 - depth) / 8 + 3) & ~3;
|
|
if (height < 0)
|
|
{
|
|
height = -height;
|
|
flip = false;
|
|
}
|
|
uint16_t w = width;
|
|
uint16_t h = height;
|
|
if ((x + w - 1) >= display.width()) w = display.width() - x;
|
|
if ((y + h - 1) >= display.height()) h = display.height() - y;
|
|
//if (w <= max_row_width) // handle with direct drawing
|
|
{
|
|
valid = true;
|
|
uint8_t bitmask = 0xFF;
|
|
uint8_t bitshift = 8 - depth;
|
|
uint16_t red, green, blue;
|
|
bool whitish = false;
|
|
bool colored = false;
|
|
if (depth == 1) with_color = false;
|
|
if (depth <= 8)
|
|
{
|
|
if (depth < 8) bitmask >>= depth;
|
|
//bytes_read += skip(client, 54 - bytes_read); //palette is always @ 54
|
|
bytes_read += skip(client, imageOffset - (4 << depth) - bytes_read); // 54 for regular, diff for colorsimportant
|
|
for (uint16_t pn = 0; pn < (1 << depth); pn++)
|
|
{
|
|
blue = client.read();
|
|
green = client.read();
|
|
red = client.read();
|
|
client.read();
|
|
bytes_read += 4;
|
|
whitish = with_color ? ((red > 0x80) && (green > 0x80) && (blue > 0x80)) : ((red + green + blue) > 3 * 0x80); // whitish
|
|
colored = (red > 0xF0) || ((green > 0xF0) && (blue > 0xF0)); // reddish or yellowish?
|
|
if (0 == pn % 8) mono_palette_buffer[pn / 8] = 0;
|
|
mono_palette_buffer[pn / 8] |= whitish << pn % 8;
|
|
if (0 == pn % 8) color_palette_buffer[pn / 8] = 0;
|
|
color_palette_buffer[pn / 8] |= colored << pn % 8;
|
|
//Serial.print("0x00"); Serial.print(red, HEX); Serial.print(green, HEX); Serial.print(blue, HEX);
|
|
//Serial.print(" : "); Serial.print(whitish); Serial.print(", "); Serial.println(colored);
|
|
rgb_palette_buffer[pn] = ((red & 0xF8) << 8) | ((green & 0xFC) << 3) | ((blue & 0xF8) >> 3);
|
|
}
|
|
}
|
|
uint32_t rowPosition = flip ? imageOffset + (height - h) * rowSize : imageOffset;
|
|
//Serial.print("skip "); Serial.println(rowPosition - bytes_read);
|
|
bytes_read += skip(client, rowPosition - bytes_read);
|
|
for (uint16_t row = 0; row < h; row++, rowPosition += rowSize) // for each line
|
|
{
|
|
if (!connection_ok || !(client.connected() || client.available())) break;
|
|
delay(1); // yield() to avoid WDT
|
|
uint32_t in_remain = rowSize;
|
|
uint32_t in_idx = 0;
|
|
uint32_t in_bytes = 0;
|
|
uint8_t in_byte = 0; // for depth <= 8
|
|
uint8_t in_bits = 0; // for depth <= 8
|
|
uint16_t color = GxEPD_WHITE;
|
|
for (uint16_t col = 0; col < w; col++) // for each pixel
|
|
{
|
|
yield();
|
|
if (!connection_ok || !(client.connected() || client.available())) break;
|
|
// Time to read more pixel data?
|
|
if (in_idx >= in_bytes) // ok, exact match for 24bit also (size IS multiple of 3)
|
|
{
|
|
uint32_t get = in_remain > sizeof(input_buffer) ? sizeof(input_buffer) : in_remain;
|
|
uint32_t got = read8n(client, input_buffer, get);
|
|
while ((got < get) && connection_ok)
|
|
{
|
|
//Serial.print("got "); Serial.print(got); Serial.print(" < "); Serial.print(get); Serial.print(" @ "); Serial.println(bytes_read);
|
|
uint32_t gotmore = read8n(client, input_buffer + got, get - got);
|
|
got += gotmore;
|
|
connection_ok = gotmore > 0;
|
|
}
|
|
in_bytes = got;
|
|
in_remain -= got;
|
|
bytes_read += got;
|
|
}
|
|
if (!connection_ok)
|
|
{
|
|
Serial.print("Error: got no more after "); Serial.print(bytes_read); Serial.println(" bytes read!");
|
|
break;
|
|
}
|
|
switch (depth)
|
|
{
|
|
case 32:
|
|
blue = input_buffer[in_idx++];
|
|
green = input_buffer[in_idx++];
|
|
red = input_buffer[in_idx++];
|
|
in_idx++; // skip alpha
|
|
whitish = with_color ? ((red > 0x80) && (green > 0x80) && (blue > 0x80)) : ((red + green + blue) > 3 * 0x80); // whitish
|
|
colored = (red > 0xF0) || ((green > 0xF0) && (blue > 0xF0)); // reddish or yellowish?
|
|
color = ((red & 0xF8) << 8) | ((green & 0xFC) << 3) | ((blue & 0xF8) >> 3);
|
|
break;
|
|
case 24:
|
|
blue = input_buffer[in_idx++];
|
|
green = input_buffer[in_idx++];
|
|
red = input_buffer[in_idx++];
|
|
whitish = with_color ? ((red > 0x80) && (green > 0x80) && (blue > 0x80)) : ((red + green + blue) > 3 * 0x80); // whitish
|
|
colored = (red > 0xF0) || ((green > 0xF0) && (blue > 0xF0)); // reddish or yellowish?
|
|
color = ((red & 0xF8) << 8) | ((green & 0xFC) << 3) | ((blue & 0xF8) >> 3);
|
|
break;
|
|
case 16:
|
|
{
|
|
uint8_t lsb = input_buffer[in_idx++];
|
|
uint8_t msb = input_buffer[in_idx++];
|
|
if (format == 0) // 555
|
|
{
|
|
blue = (lsb & 0x1F) << 3;
|
|
green = ((msb & 0x03) << 6) | ((lsb & 0xE0) >> 2);
|
|
red = (msb & 0x7C) << 1;
|
|
color = ((red & 0xF8) << 8) | ((green & 0xFC) << 3) | ((blue & 0xF8) >> 3);
|
|
}
|
|
else // 565
|
|
{
|
|
blue = (lsb & 0x1F) << 3;
|
|
green = ((msb & 0x07) << 5) | ((lsb & 0xE0) >> 3);
|
|
red = (msb & 0xF8);
|
|
color = (msb << 8) | lsb;
|
|
}
|
|
whitish = with_color ? ((red > 0x80) && (green > 0x80) && (blue > 0x80)) : ((red + green + blue) > 3 * 0x80); // whitish
|
|
colored = (red > 0xF0) || ((green > 0xF0) && (blue > 0xF0)); // reddish or yellowish?
|
|
}
|
|
break;
|
|
case 1:
|
|
case 2:
|
|
case 4:
|
|
case 8:
|
|
{
|
|
if (0 == in_bits)
|
|
{
|
|
in_byte = input_buffer[in_idx++];
|
|
in_bits = 8;
|
|
}
|
|
uint16_t pn = (in_byte >> bitshift) & bitmask;
|
|
whitish = mono_palette_buffer[pn / 8] & (0x1 << pn % 8);
|
|
colored = color_palette_buffer[pn / 8] & (0x1 << pn % 8);
|
|
in_byte <<= depth;
|
|
in_bits -= depth;
|
|
color = rgb_palette_buffer[pn];
|
|
}
|
|
break;
|
|
}
|
|
if (with_color && has_multicolors)
|
|
{
|
|
// keep color
|
|
}
|
|
else if (whitish)
|
|
{
|
|
color = GxEPD_WHITE;
|
|
}
|
|
else if (colored && with_color)
|
|
{
|
|
color = GxEPD_COLORED;
|
|
}
|
|
else
|
|
{
|
|
color = GxEPD_BLACK;
|
|
}
|
|
uint16_t yrow = y + (flip ? h - row - 1 : row);
|
|
display.drawPixel(x + col, yrow, color);
|
|
} // end pixel
|
|
} // end line
|
|
}
|
|
Serial.print("bytes read "); Serial.println(bytes_read);
|
|
}
|
|
}
|
|
Serial.print("loaded in "); Serial.print(millis() - startTime); Serial.println(" ms");
|
|
client.stop();
|
|
if (!valid)
|
|
{
|
|
Serial.println("bitmap format not handled.");
|
|
}
|
|
}
|
|
|
|
void showBitmapFrom_HTTP_Buffered(const char* host, const char* path, const char* filename, int16_t x, int16_t y, bool with_color)
|
|
{
|
|
Serial.println(); Serial.print("downloading file \""); Serial.print(filename); Serial.println("\"");
|
|
display.setFullWindow();
|
|
display.firstPage();
|
|
do
|
|
{
|
|
drawBitmapFrom_HTTP_ToBuffer(host, path, filename, x, y, with_color);
|
|
}
|
|
while (display.nextPage());
|
|
}
|
|
|
|
void showBitmapFrom_HTTPS(const char* host, const char* path, const char* filename, const char* fingerprint, int16_t x, int16_t y, bool with_color, const char* certificate)
|
|
{
|
|
// Use WiFiClientSecure class to create TLS connection
|
|
#if defined (ESP8266) || defined(ARDUINO_RASPBERRY_PI_PICO_W)
|
|
BearSSL::WiFiClientSecure client;
|
|
BearSSL::X509List cert(certificate ? certificate : certificate_rawcontent);
|
|
#else
|
|
WiFiClientSecure client;
|
|
#endif
|
|
bool connection_ok = false;
|
|
bool valid = false; // valid format to be handled
|
|
bool flip = true; // bitmap is stored bottom-to-top
|
|
uint32_t startTime = millis();
|
|
if ((x >= display.epd2.WIDTH) || (y >= display.epd2.HEIGHT)) return;
|
|
Serial.println(); Serial.print("downloading file \""); Serial.print(filename); Serial.println("\"");
|
|
Serial.print("connecting to "); Serial.println(host);
|
|
#if defined (ESP8266) || defined(ARDUINO_RASPBERRY_PI_PICO_W)
|
|
client.setBufferSizes(4096, 4096); // required
|
|
//client.setBufferSizes(8192, 4096); // may help for some sites
|
|
if (certificate) client.setTrustAnchors(&cert);
|
|
else if (fingerprint) client.setFingerprint(fingerprint);
|
|
else client.setInsecure();
|
|
#elif defined (ESP32)
|
|
if (certificate) client.setCACert(certificate);
|
|
#endif
|
|
if (!client.connect(host, httpsPort))
|
|
{
|
|
Serial.println("connection failed");
|
|
return;
|
|
}
|
|
Serial.print("requesting URL: ");
|
|
Serial.println(String("https://") + host + path + filename);
|
|
client.print(String("GET ") + path + filename + " HTTP/1.1\r\n" +
|
|
"Host: " + host + "\r\n" +
|
|
"User-Agent: GxEPD2_WiFi_Example\r\n" +
|
|
"Connection: close\r\n\r\n");
|
|
Serial.println("request sent");
|
|
while (client.connected())
|
|
{
|
|
String line = client.readStringUntil('\n');
|
|
if (!connection_ok)
|
|
{
|
|
connection_ok = line.startsWith("HTTP/1.1 200 OK");
|
|
if (connection_ok) Serial.println(line);
|
|
//if (!connection_ok) Serial.println(line);
|
|
}
|
|
if (!connection_ok) Serial.println(line);
|
|
//Serial.println(line);
|
|
if (line == "\r")
|
|
{
|
|
Serial.println("headers received");
|
|
break;
|
|
}
|
|
}
|
|
if (!connection_ok) return;
|
|
// Parse BMP header
|
|
//if (read16(client) == 0x4D42) // BMP signature
|
|
uint16_t signature = 0;
|
|
for (int16_t i = 0; i < 50; i++)
|
|
{
|
|
if (!client.available()) delay(100);
|
|
else signature = read16(client);
|
|
//Serial.print("signature: 0x"); Serial.println(signature, HEX);
|
|
if (signature == 0x4D42) break;
|
|
}
|
|
if (signature == 0x4D42) // BMP signature
|
|
{
|
|
uint32_t fileSize = read32(client);
|
|
uint32_t creatorBytes = read32(client); (void)creatorBytes; //unused
|
|
uint32_t imageOffset = read32(client); // Start of image data
|
|
uint32_t headerSize = read32(client);
|
|
uint32_t width = read32(client);
|
|
int32_t height = (int32_t) read32(client);
|
|
uint16_t planes = read16(client);
|
|
uint16_t depth = read16(client); // bits per pixel
|
|
uint32_t format = read32(client);
|
|
uint32_t bytes_read = 7 * 4 + 3 * 2; // read so far
|
|
if ((planes == 1) && ((format == 0) || (format == 3))) // uncompressed is handled, 565 also
|
|
{
|
|
Serial.print("File size: "); Serial.println(fileSize);
|
|
Serial.print("Image Offset: "); Serial.println(imageOffset);
|
|
Serial.print("Header size: "); Serial.println(headerSize);
|
|
Serial.print("Bit Depth: "); Serial.println(depth);
|
|
Serial.print("Image size: ");
|
|
Serial.print(width);
|
|
Serial.print('x');
|
|
Serial.println(height);
|
|
// BMP rows are padded (if needed) to 4-byte boundary
|
|
uint32_t rowSize = (width * depth / 8 + 3) & ~3;
|
|
if (depth < 8) rowSize = ((width * depth + 8 - depth) / 8 + 3) & ~3;
|
|
if (height < 0)
|
|
{
|
|
height = -height;
|
|
flip = false;
|
|
}
|
|
uint16_t w = width;
|
|
uint16_t h = height;
|
|
if ((x + w - 1) >= display.epd2.WIDTH) w = display.epd2.WIDTH - x;
|
|
if ((y + h - 1) >= display.epd2.HEIGHT) h = display.epd2.HEIGHT - y;
|
|
if (w <= max_row_width) // handle with direct drawing
|
|
{
|
|
valid = true;
|
|
uint8_t bitmask = 0xFF;
|
|
uint8_t bitshift = 8 - depth;
|
|
uint16_t red, green, blue;
|
|
bool whitish = false;
|
|
bool colored = false;
|
|
if (depth == 1) with_color = false;
|
|
if (depth <= 8)
|
|
{
|
|
if (depth < 8) bitmask >>= depth;
|
|
//bytes_read += skip(client, 54 - bytes_read); //palette is always @ 54
|
|
bytes_read += skip(client, imageOffset - (4 << depth) - bytes_read); // 54 for regular, diff for colorsimportant
|
|
for (uint16_t pn = 0; pn < (1 << depth); pn++)
|
|
{
|
|
blue = client.read();
|
|
green = client.read();
|
|
red = client.read();
|
|
client.read();
|
|
bytes_read += 4;
|
|
whitish = with_color ? ((red > 0x80) && (green > 0x80) && (blue > 0x80)) : ((red + green + blue) > 3 * 0x80); // whitish
|
|
colored = (red > 0xF0) || ((green > 0xF0) && (blue > 0xF0)); // reddish or yellowish?
|
|
if (0 == pn % 8) mono_palette_buffer[pn / 8] = 0;
|
|
mono_palette_buffer[pn / 8] |= whitish << pn % 8;
|
|
if (0 == pn % 8) color_palette_buffer[pn / 8] = 0;
|
|
color_palette_buffer[pn / 8] |= colored << pn % 8;
|
|
}
|
|
}
|
|
display.clearScreen();
|
|
uint32_t rowPosition = flip ? imageOffset + (height - h) * rowSize : imageOffset;
|
|
//Serial.print("skip "); Serial.println(rowPosition - bytes_read);
|
|
bytes_read += skip(client, rowPosition - bytes_read);
|
|
for (uint16_t row = 0; row < h; row++, rowPosition += rowSize) // for each line
|
|
{
|
|
if (!connection_ok || !(client.connected() || client.available())) break;
|
|
delay(1); // yield() to avoid WDT
|
|
uint32_t in_remain = rowSize;
|
|
uint32_t in_idx = 0;
|
|
uint32_t in_bytes = 0;
|
|
uint8_t in_byte = 0; // for depth <= 8
|
|
uint8_t in_bits = 0; // for depth <= 8
|
|
uint8_t out_byte = 0xFF; // white (for w%8!=0 border)
|
|
uint8_t out_color_byte = 0xFF; // white (for w%8!=0 border)
|
|
uint32_t out_idx = 0;
|
|
for (uint16_t col = 0; col < w; col++) // for each pixel
|
|
{
|
|
yield();
|
|
if (!connection_ok || !(client.connected() || client.available())) break;
|
|
// Time to read more pixel data?
|
|
if (in_idx >= in_bytes) // ok, exact match for 24bit also (size IS multiple of 3)
|
|
{
|
|
uint32_t get = in_remain > sizeof(input_buffer) ? sizeof(input_buffer) : in_remain;
|
|
uint32_t got = read8n(client, input_buffer, get);
|
|
while ((got < get) && connection_ok)
|
|
{
|
|
//Serial.print("got "); Serial.print(got); Serial.print(" < "); Serial.print(get); Serial.print(" @ "); Serial.println(bytes_read);
|
|
//if ((get - got) > client.available()) delay(200); // does improve? yes, if >= 200
|
|
uint32_t gotmore = read8n(client, input_buffer + got, get - got);
|
|
got += gotmore;
|
|
connection_ok = gotmore > 0;
|
|
}
|
|
in_bytes = got;
|
|
in_remain -= got;
|
|
bytes_read += got;
|
|
}
|
|
if (!connection_ok)
|
|
{
|
|
Serial.print("Error: got no more after "); Serial.print(bytes_read); Serial.println(" bytes read!");
|
|
break;
|
|
}
|
|
switch (depth)
|
|
{
|
|
case 32:
|
|
blue = input_buffer[in_idx++];
|
|
green = input_buffer[in_idx++];
|
|
red = input_buffer[in_idx++];
|
|
in_idx++; // skip alpha
|
|
whitish = with_color ? ((red > 0x80) && (green > 0x80) && (blue > 0x80)) : ((red + green + blue) > 3 * 0x80); // whitish
|
|
colored = (red > 0xF0) || ((green > 0xF0) && (blue > 0xF0)); // reddish or yellowish?
|
|
break;
|
|
case 24:
|
|
blue = input_buffer[in_idx++];
|
|
green = input_buffer[in_idx++];
|
|
red = input_buffer[in_idx++];
|
|
whitish = with_color ? ((red > 0x80) && (green > 0x80) && (blue > 0x80)) : ((red + green + blue) > 3 * 0x80); // whitish
|
|
colored = (red > 0xF0) || ((green > 0xF0) && (blue > 0xF0)); // reddish or yellowish?
|
|
break;
|
|
case 16:
|
|
{
|
|
uint8_t lsb = input_buffer[in_idx++];
|
|
uint8_t msb = input_buffer[in_idx++];
|
|
if (format == 0) // 555
|
|
{
|
|
blue = (lsb & 0x1F) << 3;
|
|
green = ((msb & 0x03) << 6) | ((lsb & 0xE0) >> 2);
|
|
red = (msb & 0x7C) << 1;
|
|
}
|
|
else // 565
|
|
{
|
|
blue = (lsb & 0x1F) << 3;
|
|
green = ((msb & 0x07) << 5) | ((lsb & 0xE0) >> 3);
|
|
red = (msb & 0xF8);
|
|
}
|
|
whitish = with_color ? ((red > 0x80) && (green > 0x80) && (blue > 0x80)) : ((red + green + blue) > 3 * 0x80); // whitish
|
|
colored = (red > 0xF0) || ((green > 0xF0) && (blue > 0xF0)); // reddish or yellowish?
|
|
}
|
|
break;
|
|
case 1:
|
|
case 2:
|
|
case 4:
|
|
case 8:
|
|
{
|
|
if (0 == in_bits)
|
|
{
|
|
in_byte = input_buffer[in_idx++];
|
|
in_bits = 8;
|
|
}
|
|
uint16_t pn = (in_byte >> bitshift) & bitmask;
|
|
whitish = mono_palette_buffer[pn / 8] & (0x1 << pn % 8);
|
|
colored = color_palette_buffer[pn / 8] & (0x1 << pn % 8);
|
|
in_byte <<= depth;
|
|
in_bits -= depth;
|
|
}
|
|
break;
|
|
}
|
|
if (whitish)
|
|
{
|
|
// keep white
|
|
}
|
|
else if (colored && with_color)
|
|
{
|
|
out_color_byte &= ~(0x80 >> col % 8); // colored
|
|
}
|
|
else
|
|
{
|
|
out_byte &= ~(0x80 >> col % 8); // black
|
|
}
|
|
if ((7 == col % 8) || (col == w - 1)) // write that last byte! (for w%8!=0 border)
|
|
{
|
|
output_row_color_buffer[out_idx] = out_color_byte;
|
|
output_row_mono_buffer[out_idx++] = out_byte;
|
|
out_byte = 0xFF; // white (for w%8!=0 border)
|
|
out_color_byte = 0xFF; // white (for w%8!=0 border)
|
|
}
|
|
} // end pixel
|
|
int16_t yrow = y + (flip ? h - row - 1 : row);
|
|
display.writeImage(output_row_mono_buffer, output_row_color_buffer, x, yrow, w, 1);
|
|
} // end line
|
|
Serial.print("downloaded in "); Serial.print(millis() - startTime); Serial.println(" ms");
|
|
Serial.print("bytes read "); Serial.println(bytes_read);
|
|
display.refresh();
|
|
}
|
|
}
|
|
}
|
|
client.stop();
|
|
if (!valid)
|
|
{
|
|
Serial.println("bitmap format not handled.");
|
|
}
|
|
}
|
|
|
|
void drawBitmapFrom_HTTPS_ToBuffer(const char* host, const char* path, const char* filename, const char* fingerprint, int16_t x, int16_t y, bool with_color, const char* certificate)
|
|
{
|
|
// Use WiFiClientSecure class to create TLS connection
|
|
#if defined (ESP8266)
|
|
BearSSL::WiFiClientSecure client;
|
|
BearSSL::X509List cert(certificate ? certificate : certificate_rawcontent);
|
|
#else
|
|
WiFiClientSecure client;
|
|
#endif
|
|
bool connection_ok = false;
|
|
bool valid = false; // valid format to be handled
|
|
bool flip = true; // bitmap is stored bottom-to-top
|
|
bool has_multicolors = (display.epd2.panel == GxEPD2::ACeP565) || (display.epd2.panel == GxEPD2::GDEY073D46);
|
|
uint32_t startTime = millis();
|
|
if ((x >= display.width()) || (y >= display.height())) return;
|
|
display.fillScreen(GxEPD_WHITE);
|
|
Serial.print("connecting to "); Serial.println(host);
|
|
#if defined (ESP8266)
|
|
client.setBufferSizes(4096, 4096); // required
|
|
//client.setBufferSizes(8192, 4096); // may help for some sites
|
|
if (certificate) client.setTrustAnchors(&cert);
|
|
else if (fingerprint) client.setFingerprint(fingerprint);
|
|
else client.setInsecure();
|
|
#elif defined (ESP32)
|
|
if (certificate) client.setCACert(certificate);
|
|
#endif
|
|
if (!client.connect(host, httpsPort))
|
|
{
|
|
Serial.println("connection failed");
|
|
return;
|
|
}
|
|
Serial.print("requesting URL: ");
|
|
Serial.println(String("https://") + host + path + filename);
|
|
client.print(String("GET ") + path + filename + " HTTP/1.1\r\n" +
|
|
"Host: " + host + "\r\n" +
|
|
"User-Agent: GxEPD2_WiFi_Example\r\n" +
|
|
"Connection: close\r\n\r\n");
|
|
Serial.println("request sent");
|
|
while (client.connected())
|
|
{
|
|
String line = client.readStringUntil('\n');
|
|
if (!connection_ok)
|
|
{
|
|
connection_ok = line.startsWith("HTTP/1.1 200 OK");
|
|
if (connection_ok) Serial.println(line);
|
|
//if (!connection_ok) Serial.println(line);
|
|
}
|
|
if (!connection_ok) Serial.println(line);
|
|
//Serial.println(line);
|
|
if (line == "\r")
|
|
{
|
|
Serial.println("headers received");
|
|
break;
|
|
}
|
|
}
|
|
if (!connection_ok) return;
|
|
// Parse BMP header
|
|
//if (read16(client) == 0x4D42) // BMP signature
|
|
uint16_t signature = 0;
|
|
for (int16_t i = 0; i < 50; i++)
|
|
{
|
|
if (!client.available()) delay(100);
|
|
else signature = read16(client);
|
|
if (signature == 0x4D42)
|
|
{
|
|
//Serial.print("signature wait loops: "); Serial.println(i);
|
|
break;
|
|
}
|
|
}
|
|
if (signature == 0x4D42) // BMP signature
|
|
{
|
|
uint32_t fileSize = read32(client);
|
|
uint32_t creatorBytes = read32(client); (void)creatorBytes; //unused
|
|
uint32_t imageOffset = read32(client); // Start of image data
|
|
uint32_t headerSize = read32(client);
|
|
uint32_t width = read32(client);
|
|
int32_t height = (int32_t) read32(client);
|
|
uint16_t planes = read16(client);
|
|
uint16_t depth = read16(client); // bits per pixel
|
|
uint32_t format = read32(client);
|
|
uint32_t bytes_read = 7 * 4 + 3 * 2; // read so far
|
|
if ((planes == 1) && ((format == 0) || (format == 3))) // uncompressed is handled, 565 also
|
|
{
|
|
Serial.print("File size: "); Serial.println(fileSize);
|
|
Serial.print("Image Offset: "); Serial.println(imageOffset);
|
|
Serial.print("Header size: "); Serial.println(headerSize);
|
|
Serial.print("Bit Depth: "); Serial.println(depth);
|
|
Serial.print("Image size: ");
|
|
Serial.print(width);
|
|
Serial.print('x');
|
|
Serial.println(height);
|
|
// BMP rows are padded (if needed) to 4-byte boundary
|
|
uint32_t rowSize = (width * depth / 8 + 3) & ~3;
|
|
if (depth < 8) rowSize = ((width * depth + 8 - depth) / 8 + 3) & ~3;
|
|
if (height < 0)
|
|
{
|
|
height = -height;
|
|
flip = false;
|
|
}
|
|
uint16_t w = width;
|
|
uint16_t h = height;
|
|
if ((x + w - 1) >= display.width()) w = display.width() - x;
|
|
if ((y + h - 1) >= display.height()) h = display.height() - y;
|
|
//if (w <= max_row_width) // handle with direct drawing
|
|
{
|
|
valid = true;
|
|
uint8_t bitmask = 0xFF;
|
|
uint8_t bitshift = 8 - depth;
|
|
uint16_t red, green, blue;
|
|
bool whitish = false;
|
|
bool colored = false;
|
|
if (depth == 1) with_color = false;
|
|
if (depth <= 8)
|
|
{
|
|
if (depth < 8) bitmask >>= depth;
|
|
//bytes_read += skip(client, 54 - bytes_read); //palette is always @ 54
|
|
bytes_read += skip(client, imageOffset - (4 << depth) - bytes_read); // 54 for regular, diff for colorsimportant
|
|
for (uint16_t pn = 0; pn < (1 << depth); pn++)
|
|
{
|
|
blue = client.read();
|
|
green = client.read();
|
|
red = client.read();
|
|
client.read();
|
|
bytes_read += 4;
|
|
whitish = with_color ? ((red > 0x80) && (green > 0x80) && (blue > 0x80)) : ((red + green + blue) > 3 * 0x80); // whitish
|
|
colored = (red > 0xF0) || ((green > 0xF0) && (blue > 0xF0)); // reddish or yellowish?
|
|
if (0 == pn % 8) mono_palette_buffer[pn / 8] = 0;
|
|
mono_palette_buffer[pn / 8] |= whitish << pn % 8;
|
|
if (0 == pn % 8) color_palette_buffer[pn / 8] = 0;
|
|
color_palette_buffer[pn / 8] |= colored << pn % 8;
|
|
//Serial.print("0x00"); Serial.print(red, HEX); Serial.print(green, HEX); Serial.print(blue, HEX);
|
|
//Serial.print(" : "); Serial.print(whitish); Serial.print(", "); Serial.println(colored);
|
|
rgb_palette_buffer[pn] = ((red & 0xF8) << 8) | ((green & 0xFC) << 3) | ((blue & 0xF8) >> 3);
|
|
}
|
|
}
|
|
uint32_t rowPosition = flip ? imageOffset + (height - h) * rowSize : imageOffset;
|
|
//Serial.print("skip "); Serial.println(rowPosition - bytes_read);
|
|
bytes_read += skip(client, rowPosition - bytes_read);
|
|
for (uint16_t row = 0; row < h; row++, rowPosition += rowSize) // for each line
|
|
{
|
|
if (!connection_ok || !(client.connected() || client.available())) break;
|
|
delay(1); // yield() to avoid WDT
|
|
uint32_t in_remain = rowSize;
|
|
uint32_t in_idx = 0;
|
|
uint32_t in_bytes = 0;
|
|
uint8_t in_byte = 0; // for depth <= 8
|
|
uint8_t in_bits = 0; // for depth <= 8
|
|
uint16_t color = GxEPD_WHITE;
|
|
for (uint16_t col = 0; col < w; col++) // for each pixel
|
|
{
|
|
yield();
|
|
if (!connection_ok || !(client.connected() || client.available())) break;
|
|
// Time to read more pixel data?
|
|
if (in_idx >= in_bytes) // ok, exact match for 24bit also (size IS multiple of 3)
|
|
{
|
|
uint32_t get = in_remain > sizeof(input_buffer) ? sizeof(input_buffer) : in_remain;
|
|
uint32_t got = read8n(client, input_buffer, get);
|
|
while ((got < get) && connection_ok)
|
|
{
|
|
//Serial.print("got "); Serial.print(got); Serial.print(" < "); Serial.print(get); Serial.print(" @ "); Serial.println(bytes_read);
|
|
uint32_t gotmore = read8n(client, input_buffer + got, get - got);
|
|
got += gotmore;
|
|
connection_ok = gotmore > 0;
|
|
}
|
|
in_bytes = got;
|
|
in_remain -= got;
|
|
bytes_read += got;
|
|
}
|
|
if (!connection_ok)
|
|
{
|
|
Serial.print("Error: got no more after "); Serial.print(bytes_read); Serial.println(" bytes read!");
|
|
break;
|
|
}
|
|
switch (depth)
|
|
{
|
|
case 32:
|
|
blue = input_buffer[in_idx++];
|
|
green = input_buffer[in_idx++];
|
|
red = input_buffer[in_idx++];
|
|
in_idx++; // skip alpha
|
|
whitish = with_color ? ((red > 0x80) && (green > 0x80) && (blue > 0x80)) : ((red + green + blue) > 3 * 0x80); // whitish
|
|
colored = (red > 0xF0) || ((green > 0xF0) && (blue > 0xF0)); // reddish or yellowish?
|
|
color = ((red & 0xF8) << 8) | ((green & 0xFC) << 3) | ((blue & 0xF8) >> 3);
|
|
break;
|
|
case 24:
|
|
blue = input_buffer[in_idx++];
|
|
green = input_buffer[in_idx++];
|
|
red = input_buffer[in_idx++];
|
|
whitish = with_color ? ((red > 0x80) && (green > 0x80) && (blue > 0x80)) : ((red + green + blue) > 3 * 0x80); // whitish
|
|
colored = (red > 0xF0) || ((green > 0xF0) && (blue > 0xF0)); // reddish or yellowish?
|
|
color = ((red & 0xF8) << 8) | ((green & 0xFC) << 3) | ((blue & 0xF8) >> 3);
|
|
break;
|
|
case 16:
|
|
{
|
|
uint8_t lsb = input_buffer[in_idx++];
|
|
uint8_t msb = input_buffer[in_idx++];
|
|
if (format == 0) // 555
|
|
{
|
|
blue = (lsb & 0x1F) << 3;
|
|
green = ((msb & 0x03) << 6) | ((lsb & 0xE0) >> 2);
|
|
red = (msb & 0x7C) << 1;
|
|
color = ((red & 0xF8) << 8) | ((green & 0xFC) << 3) | ((blue & 0xF8) >> 3);
|
|
}
|
|
else // 565
|
|
{
|
|
blue = (lsb & 0x1F) << 3;
|
|
green = ((msb & 0x07) << 5) | ((lsb & 0xE0) >> 3);
|
|
red = (msb & 0xF8);
|
|
color = (msb << 8) | lsb;
|
|
}
|
|
whitish = with_color ? ((red > 0x80) && (green > 0x80) && (blue > 0x80)) : ((red + green + blue) > 3 * 0x80); // whitish
|
|
colored = (red > 0xF0) || ((green > 0xF0) && (blue > 0xF0)); // reddish or yellowish?
|
|
}
|
|
break;
|
|
case 1:
|
|
case 2:
|
|
case 4:
|
|
case 8:
|
|
{
|
|
if (0 == in_bits)
|
|
{
|
|
in_byte = input_buffer[in_idx++];
|
|
in_bits = 8;
|
|
}
|
|
uint16_t pn = (in_byte >> bitshift) & bitmask;
|
|
whitish = mono_palette_buffer[pn / 8] & (0x1 << pn % 8);
|
|
colored = color_palette_buffer[pn / 8] & (0x1 << pn % 8);
|
|
in_byte <<= depth;
|
|
in_bits -= depth;
|
|
color = rgb_palette_buffer[pn];
|
|
}
|
|
break;
|
|
}
|
|
if (with_color && has_multicolors)
|
|
{
|
|
// keep color
|
|
}
|
|
else if (whitish)
|
|
{
|
|
color = GxEPD_WHITE;
|
|
}
|
|
else if (colored && with_color)
|
|
{
|
|
color = GxEPD_COLORED;
|
|
}
|
|
else
|
|
{
|
|
color = GxEPD_BLACK;
|
|
}
|
|
uint16_t yrow = y + (flip ? h - row - 1 : row);
|
|
display.drawPixel(x + col, yrow, color);
|
|
} // end pixel
|
|
} // end line
|
|
}
|
|
Serial.print("bytes read "); Serial.println(bytes_read);
|
|
}
|
|
}
|
|
Serial.print("loaded in "); Serial.print(millis() - startTime); Serial.println(" ms");
|
|
client.stop();
|
|
if (!valid)
|
|
{
|
|
Serial.println("bitmap format not handled.");
|
|
}
|
|
}
|
|
|
|
void showBitmapFrom_HTTPS_Buffered(const char* host, const char* path, const char* filename, const char* fingerprint, int16_t x, int16_t y, bool with_color, const char* certificate)
|
|
{
|
|
Serial.println(); Serial.print("downloading file \""); Serial.print(filename); Serial.println("\"");
|
|
display.setFullWindow();
|
|
display.firstPage();
|
|
do
|
|
{
|
|
drawBitmapFrom_HTTPS_ToBuffer(host, path, filename, fingerprint, x, y, with_color, certificate);
|
|
}
|
|
while (display.nextPage());
|
|
}
|
|
|
|
uint16_t read16(WiFiClient& client)
|
|
{
|
|
// BMP data is stored little-endian, same as Arduino.
|
|
uint16_t result;
|
|
((uint8_t *)&result)[0] = client.read(); // LSB
|
|
((uint8_t *)&result)[1] = client.read(); // MSB
|
|
return result;
|
|
}
|
|
|
|
uint32_t read32(WiFiClient& client)
|
|
{
|
|
// BMP data is stored little-endian, same as Arduino.
|
|
uint32_t result;
|
|
((uint8_t *)&result)[0] = client.read(); // LSB
|
|
((uint8_t *)&result)[1] = client.read();
|
|
((uint8_t *)&result)[2] = client.read();
|
|
((uint8_t *)&result)[3] = client.read(); // MSB
|
|
return result;
|
|
}
|
|
|
|
#if USE_BearSSL
|
|
|
|
uint32_t skip(BearSSL::WiFiClientSecure& client, int32_t bytes)
|
|
{
|
|
int32_t remain = bytes;
|
|
uint32_t start = millis();
|
|
while ((client.connected() || client.available()) && (remain > 0))
|
|
{
|
|
if (client.available())
|
|
{
|
|
client.read();
|
|
remain--;
|
|
}
|
|
else delay(1);
|
|
if (millis() - start > 2000) break; // don't hang forever
|
|
}
|
|
return bytes - remain;
|
|
}
|
|
|
|
uint32_t read8n(BearSSL::WiFiClientSecure& client, uint8_t* buffer, int32_t bytes)
|
|
{
|
|
int32_t remain = bytes;
|
|
uint32_t start = millis();
|
|
while ((client.connected() || client.available()) && (remain > 0))
|
|
{
|
|
if (client.available())
|
|
{
|
|
int16_t v = client.read();
|
|
*buffer++ = uint8_t(v);
|
|
remain--;
|
|
}
|
|
else delay(1);
|
|
if (millis() - start > 2000) break; // don't hang forever
|
|
}
|
|
return bytes - remain;
|
|
}
|
|
|
|
#endif
|
|
|
|
uint32_t skip(WiFiClient& client, int32_t bytes)
|
|
{
|
|
int32_t remain = bytes;
|
|
uint32_t start = millis();
|
|
while ((client.connected() || client.available()) && (remain > 0))
|
|
{
|
|
if (client.available())
|
|
{
|
|
client.read();
|
|
remain--;
|
|
}
|
|
else delay(1);
|
|
if (millis() - start > 2000) break; // don't hang forever
|
|
}
|
|
return bytes - remain;
|
|
}
|
|
|
|
uint32_t read8n(WiFiClient& client, uint8_t* buffer, int32_t bytes)
|
|
{
|
|
int32_t remain = bytes;
|
|
uint32_t start = millis();
|
|
while ((client.connected() || client.available()) && (remain > 0))
|
|
{
|
|
if (client.available())
|
|
{
|
|
int16_t v = client.read();
|
|
*buffer++ = uint8_t(v);
|
|
remain--;
|
|
}
|
|
else delay(1);
|
|
if (millis() - start > 2000) break; // don't hang forever
|
|
}
|
|
return bytes - remain;
|
|
}
|
|
|
|
// Set time via NTP, as required for x.509 validation
|
|
void setClock()
|
|
{
|
|
configTime(3 * 3600, 0, "pool.ntp.org", "time.nist.gov");
|
|
|
|
Serial.print("Waiting for NTP time sync: ");
|
|
time_t now = time(nullptr);
|
|
while (now < 8 * 3600 * 2)
|
|
{
|
|
delay(500);
|
|
Serial.print(".");
|
|
now = time(nullptr);
|
|
}
|
|
Serial.println("");
|
|
struct tm timeinfo;
|
|
gmtime_r(&now, &timeinfo);
|
|
Serial.print("Current time: ");
|
|
Serial.print(asctime(&timeinfo));
|
|
}
|