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Convert st7735.cpp to use Unix line separators (#1894)
This commit is contained in:
Oxan van Leeuwen
GitHub
parent
501f88ca86
commit
f93e261d75
@ -1,486 +1,486 @@
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#include "st7735.h"
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#include "esphome/core/log.h"
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#include "esphome/core/helpers.h"
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namespace esphome {
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namespace st7735 {
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static const uint8_t ST_CMD_DELAY = 0x80; // special signifier for command lists
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static const uint8_t ST77XX_NOP = 0x00;
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static const uint8_t ST77XX_SWRESET = 0x01;
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static const uint8_t ST77XX_RDDID = 0x04;
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static const uint8_t ST77XX_RDDST = 0x09;
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static const uint8_t ST77XX_SLPIN = 0x10;
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static const uint8_t ST77XX_SLPOUT = 0x11;
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static const uint8_t ST77XX_PTLON = 0x12;
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static const uint8_t ST77XX_NORON = 0x13;
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static const uint8_t ST77XX_INVOFF = 0x20;
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static const uint8_t ST77XX_INVON = 0x21;
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static const uint8_t ST77XX_DISPOFF = 0x28;
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static const uint8_t ST77XX_DISPON = 0x29;
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static const uint8_t ST77XX_CASET = 0x2A;
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static const uint8_t ST77XX_RASET = 0x2B;
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static const uint8_t ST77XX_RAMWR = 0x2C;
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static const uint8_t ST77XX_RAMRD = 0x2E;
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static const uint8_t ST77XX_PTLAR = 0x30;
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static const uint8_t ST77XX_TEOFF = 0x34;
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static const uint8_t ST77XX_TEON = 0x35;
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static const uint8_t ST77XX_MADCTL = 0x36;
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static const uint8_t ST77XX_COLMOD = 0x3A;
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static const uint8_t ST77XX_MADCTL_MY = 0x80;
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static const uint8_t ST77XX_MADCTL_MX = 0x40;
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static const uint8_t ST77XX_MADCTL_MV = 0x20;
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static const uint8_t ST77XX_MADCTL_ML = 0x10;
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static const uint8_t ST77XX_MADCTL_RGB = 0x00;
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static const uint8_t ST77XX_RDID1 = 0xDA;
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static const uint8_t ST77XX_RDID2 = 0xDB;
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static const uint8_t ST77XX_RDID3 = 0xDC;
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static const uint8_t ST77XX_RDID4 = 0xDD;
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// Some register settings
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static const uint8_t ST7735_MADCTL_BGR = 0x08;
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static const uint8_t ST7735_MADCTL_MH = 0x04;
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static const uint8_t ST7735_FRMCTR1 = 0xB1;
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static const uint8_t ST7735_FRMCTR2 = 0xB2;
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static const uint8_t ST7735_FRMCTR3 = 0xB3;
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static const uint8_t ST7735_INVCTR = 0xB4;
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static const uint8_t ST7735_DISSET5 = 0xB6;
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static const uint8_t ST7735_PWCTR1 = 0xC0;
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static const uint8_t ST7735_PWCTR2 = 0xC1;
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static const uint8_t ST7735_PWCTR3 = 0xC2;
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static const uint8_t ST7735_PWCTR4 = 0xC3;
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static const uint8_t ST7735_PWCTR5 = 0xC4;
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static const uint8_t ST7735_VMCTR1 = 0xC5;
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static const uint8_t ST7735_PWCTR6 = 0xFC;
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static const uint8_t ST7735_GMCTRP1 = 0xE0;
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static const uint8_t ST7735_GMCTRN1 = 0xE1;
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// clang-format off
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static const uint8_t PROGMEM
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BCMD[] = { // Init commands for 7735B screens
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18, // 18 commands in list:
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ST77XX_SWRESET, ST_CMD_DELAY, // 1: Software reset, no args, w/delay
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50, // 50 ms delay
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ST77XX_SLPOUT, ST_CMD_DELAY, // 2: Out of sleep mode, no args, w/delay
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255, // 255 = max (500 ms) delay
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ST77XX_COLMOD, 1+ST_CMD_DELAY, // 3: Set color mode, 1 arg + delay:
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0x05, // 16-bit color
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10, // 10 ms delay
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ST7735_FRMCTR1, 3+ST_CMD_DELAY, // 4: Frame rate control, 3 args + delay:
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0x00, // fastest refresh
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0x06, // 6 lines front porch
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0x03, // 3 lines back porch
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10, // 10 ms delay
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ST77XX_MADCTL, 1, // 5: Mem access ctl (directions), 1 arg:
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0x08, // Row/col addr, bottom-top refresh
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ST7735_DISSET5, 2, // 6: Display settings #5, 2 args:
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0x15, // 1 clk cycle nonoverlap, 2 cycle gate
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// rise, 3 cycle osc equalize
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0x02, // Fix on VTL
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ST7735_INVCTR, 1, // 7: Display inversion control, 1 arg:
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0x0, // Line inversion
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ST7735_PWCTR1, 2+ST_CMD_DELAY, // 8: Power control, 2 args + delay:
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0x02, // GVDD = 4.7V
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0x70, // 1.0uA
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10, // 10 ms delay
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ST7735_PWCTR2, 1, // 9: Power control, 1 arg, no delay:
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0x05, // VGH = 14.7V, VGL = -7.35V
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ST7735_PWCTR3, 2, // 10: Power control, 2 args, no delay:
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0x01, // Opamp current small
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0x02, // Boost frequency
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ST7735_VMCTR1, 2+ST_CMD_DELAY, // 11: Power control, 2 args + delay:
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0x3C, // VCOMH = 4V
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0x38, // VCOML = -1.1V
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10, // 10 ms delay
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ST7735_PWCTR6, 2, // 12: Power control, 2 args, no delay:
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0x11, 0x15,
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ST7735_GMCTRP1,16, // 13: Gamma Adjustments (pos. polarity), 16 args + delay:
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0x09, 0x16, 0x09, 0x20, // (Not entirely necessary, but provides
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0x21, 0x1B, 0x13, 0x19, // accurate colors)
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0x17, 0x15, 0x1E, 0x2B,
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0x04, 0x05, 0x02, 0x0E,
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ST7735_GMCTRN1,16+ST_CMD_DELAY, // 14: Gamma Adjustments (neg. polarity), 16 args + delay:
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0x0B, 0x14, 0x08, 0x1E, // (Not entirely necessary, but provides
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0x22, 0x1D, 0x18, 0x1E, // accurate colors)
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0x1B, 0x1A, 0x24, 0x2B,
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0x06, 0x06, 0x02, 0x0F,
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10, // 10 ms delay
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ST77XX_CASET, 4, // 15: Column addr set, 4 args, no delay:
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0x00, 0x02, // XSTART = 2
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0x00, 0x81, // XEND = 129
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ST77XX_RASET, 4, // 16: Row addr set, 4 args, no delay:
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0x00, 0x02, // XSTART = 1
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0x00, 0x81, // XEND = 160
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ST77XX_NORON, ST_CMD_DELAY, // 17: Normal display on, no args, w/delay
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10, // 10 ms delay
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ST77XX_DISPON, ST_CMD_DELAY, // 18: Main screen turn on, no args, delay
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255 }, // 255 = max (500 ms) delay
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RCMD1[] = { // 7735R init, part 1 (red or green tab)
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15, // 15 commands in list:
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ST77XX_SWRESET, ST_CMD_DELAY, // 1: Software reset, 0 args, w/delay
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150, // 150 ms delay
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ST77XX_SLPOUT, ST_CMD_DELAY, // 2: Out of sleep mode, 0 args, w/delay
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255, // 500 ms delay
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ST7735_FRMCTR1, 3, // 3: Framerate ctrl - normal mode, 3 arg:
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0x01, 0x2C, 0x2D, // Rate = fosc/(1x2+40) * (LINE+2C+2D)
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ST7735_FRMCTR2, 3, // 4: Framerate ctrl - idle mode, 3 args:
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0x01, 0x2C, 0x2D, // Rate = fosc/(1x2+40) * (LINE+2C+2D)
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ST7735_FRMCTR3, 6, // 5: Framerate - partial mode, 6 args:
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0x01, 0x2C, 0x2D, // Dot inversion mode
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0x01, 0x2C, 0x2D, // Line inversion mode
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ST7735_INVCTR, 1, // 6: Display inversion ctrl, 1 arg:
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0x07, // No inversion
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ST7735_PWCTR1, 3, // 7: Power control, 3 args, no delay:
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0xA2,
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0x02, // -4.6V
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0x84, // AUTO mode
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ST7735_PWCTR2, 1, // 8: Power control, 1 arg, no delay:
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0xC5, // VGH25=2.4C VGSEL=-10 VGH=3 * AVDD
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ST7735_PWCTR3, 2, // 9: Power control, 2 args, no delay:
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0x0A, // Opamp current small
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0x00, // Boost frequency
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ST7735_PWCTR4, 2, // 10: Power control, 2 args, no delay:
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0x8A, // BCLK/2,
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0x2A, // opamp current small & medium low
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ST7735_PWCTR5, 2, // 11: Power control, 2 args, no delay:
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0x8A, 0xEE,
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ST7735_VMCTR1, 1, // 12: Power control, 1 arg, no delay:
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0x0E,
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ST77XX_INVOFF, 0, // 13: Don't invert display, no args
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ST77XX_MADCTL, 1, // 14: Mem access ctl (directions), 1 arg:
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0xC8, // row/col addr, bottom-top refresh
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ST77XX_COLMOD, 1, // 15: set color mode, 1 arg, no delay:
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0x05 }, // 16-bit color
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RCMD2GREEN[] = { // 7735R init, part 2 (green tab only)
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2, // 2 commands in list:
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ST77XX_CASET, 4, // 1: Column addr set, 4 args, no delay:
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0x00, 0x02, // XSTART = 0
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0x00, 0x7F+0x02, // XEND = 127
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ST77XX_RASET, 4, // 2: Row addr set, 4 args, no delay:
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0x00, 0x01, // XSTART = 0
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0x00, 0x9F+0x01 }, // XEND = 159
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RCMD2RED[] = { // 7735R init, part 2 (red tab only)
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2, // 2 commands in list:
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ST77XX_CASET, 4, // 1: Column addr set, 4 args, no delay:
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0x00, 0x00, // XSTART = 0
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0x00, 0x7F, // XEND = 127
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ST77XX_RASET, 4, // 2: Row addr set, 4 args, no delay:
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0x00, 0x00, // XSTART = 0
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0x00, 0x9F }, // XEND = 159
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RCMD2GREEN144[] = { // 7735R init, part 2 (green 1.44 tab)
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2, // 2 commands in list:
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ST77XX_CASET, 4, // 1: Column addr set, 4 args, no delay:
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0x00, 0x00, // XSTART = 0
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0x00, 0x7F, // XEND = 127
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ST77XX_RASET, 4, // 2: Row addr set, 4 args, no delay:
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0x00, 0x00, // XSTART = 0
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0x00, 0x7F }, // XEND = 127
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RCMD2GREEN160X80[] = { // 7735R init, part 2 (mini 160x80)
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2, // 2 commands in list:
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ST77XX_CASET, 4, // 1: Column addr set, 4 args, no delay:
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0x00, 0x00, // XSTART = 0
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0x00, 0x4F, // XEND = 79
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ST77XX_RASET, 4, // 2: Row addr set, 4 args, no delay:
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0x00, 0x00, // XSTART = 0
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0x00, 0x9F }, // XEND = 159
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RCMD3[] = { // 7735R init, part 3 (red or green tab)
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4, // 4 commands in list:
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ST7735_GMCTRP1, 16 , // 1: Gamma Adjustments (pos. polarity), 16 args + delay:
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0x02, 0x1c, 0x07, 0x12, // (Not entirely necessary, but provides
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0x37, 0x32, 0x29, 0x2d, // accurate colors)
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0x29, 0x25, 0x2B, 0x39,
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0x00, 0x01, 0x03, 0x10,
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ST7735_GMCTRN1, 16 , // 2: Gamma Adjustments (neg. polarity), 16 args + delay:
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0x03, 0x1d, 0x07, 0x06, // (Not entirely necessary, but provides
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0x2E, 0x2C, 0x29, 0x2D, // accurate colors)
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0x2E, 0x2E, 0x37, 0x3F,
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0x00, 0x00, 0x02, 0x10,
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ST77XX_NORON, ST_CMD_DELAY, // 3: Normal display on, no args, w/delay
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10, // 10 ms delay
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ST77XX_DISPON, ST_CMD_DELAY, // 4: Main screen turn on, no args w/delay
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100 }; // 100 ms delay
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// clang-format on
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static const char *const TAG = "st7735";
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ST7735::ST7735(ST7735Model model, int width, int height, int colstart, int rowstart, boolean eightbitcolor,
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boolean usebgr) {
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model_ = model;
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this->width_ = width;
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this->height_ = height;
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this->colstart_ = colstart;
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this->rowstart_ = rowstart;
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this->eightbitcolor_ = eightbitcolor;
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this->usebgr_ = usebgr;
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}
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void ST7735::setup() {
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ESP_LOGCONFIG(TAG, "Setting up ST7735...");
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this->spi_setup();
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this->dc_pin_->setup(); // OUTPUT
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this->cs_->setup(); // OUTPUT
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this->dc_pin_->digital_write(true);
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this->cs_->digital_write(true);
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this->init_reset_();
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delay(100); // NOLINT
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ESP_LOGD(TAG, " START");
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dump_config();
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ESP_LOGD(TAG, " END");
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display_init_(RCMD1);
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if (this->model_ == INITR_GREENTAB) {
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display_init_(RCMD2GREEN);
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colstart_ == 0 ? colstart_ = 2 : colstart_;
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rowstart_ == 0 ? rowstart_ = 1 : rowstart_;
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} else if ((this->model_ == INITR_144GREENTAB) || (this->model_ == INITR_HALLOWING)) {
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height_ == 0 ? height_ = ST7735_TFTHEIGHT_128 : height_;
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width_ == 0 ? width_ = ST7735_TFTWIDTH_128 : width_;
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display_init_(RCMD2GREEN144);
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colstart_ == 0 ? colstart_ = 2 : colstart_;
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rowstart_ == 0 ? rowstart_ = 3 : rowstart_;
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} else if (this->model_ == INITR_MINI_160X80) {
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height_ == 0 ? height_ = ST7735_TFTHEIGHT_160 : height_;
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width_ == 0 ? width_ = ST7735_TFTWIDTH_80 : width_;
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display_init_(RCMD2GREEN160X80);
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colstart_ = 24;
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rowstart_ = 0; // For default rotation 0
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} else {
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// colstart, rowstart left at default '0' values
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display_init_(RCMD2RED);
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}
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display_init_(RCMD3);
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uint8_t data = 0;
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if (this->model_ != INITR_HALLOWING) {
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uint8_t data = ST77XX_MADCTL_MX | ST77XX_MADCTL_MY;
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}
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if (this->usebgr_) {
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data = data | ST7735_MADCTL_BGR;
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} else {
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data = data | ST77XX_MADCTL_RGB;
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}
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sendcommand_(ST77XX_MADCTL, &data, 1);
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this->init_internal_(this->get_buffer_length());
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memset(this->buffer_, 0x00, this->get_buffer_length());
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}
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void ST7735::update() {
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this->do_update_();
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this->write_display_data_();
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}
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int ST7735::get_height_internal() { return height_; }
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int ST7735::get_width_internal() { return width_; }
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size_t ST7735::get_buffer_length() {
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if (this->eightbitcolor_) {
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return size_t(this->get_width_internal()) * size_t(this->get_height_internal());
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}
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return size_t(this->get_width_internal()) * size_t(this->get_height_internal()) * 2;
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}
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void HOT ST7735::draw_absolute_pixel_internal(int x, int y, Color color) {
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if (x >= this->get_width_internal() || x < 0 || y >= this->get_height_internal() || y < 0)
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return;
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if (this->eightbitcolor_) {
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const uint32_t color332 = display::ColorUtil::color_to_332(color);
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uint16_t pos = (x + y * this->get_width_internal());
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this->buffer_[pos] = color332;
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} else {
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const uint32_t color565 = display::ColorUtil::color_to_565(color);
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uint16_t pos = (x + y * this->get_width_internal()) * 2;
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this->buffer_[pos++] = (color565 >> 8) & 0xff;
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this->buffer_[pos] = color565 & 0xff;
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}
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}
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void ST7735::init_reset_() {
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if (this->reset_pin_ != nullptr) {
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this->reset_pin_->setup();
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this->reset_pin_->digital_write(true);
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delay(1);
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// Trigger Reset
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this->reset_pin_->digital_write(false);
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delay(10);
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// Wake up
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this->reset_pin_->digital_write(true);
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}
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}
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const char *ST7735::model_str_() {
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switch (this->model_) {
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case INITR_GREENTAB:
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return "ST7735 GREENTAB";
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case INITR_REDTAB:
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return "ST7735 REDTAB";
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case INITR_BLACKTAB:
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return "ST7735 BLACKTAB";
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case INITR_MINI_160X80:
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return "ST7735 MINI160x80";
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default:
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return "Unknown";
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}
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}
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void ST7735::display_init_(const uint8_t *addr) {
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uint8_t num_commands, cmd, num_args;
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uint16_t ms;
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num_commands = pgm_read_byte(addr++); // Number of commands to follow
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while (num_commands--) { // For each command...
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cmd = pgm_read_byte(addr++); // Read command
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num_args = pgm_read_byte(addr++); // Number of args to follow
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ms = num_args & ST_CMD_DELAY; // If hibit set, delay follows args
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num_args &= ~ST_CMD_DELAY; // Mask out delay bit
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this->sendcommand_(cmd, addr, num_args);
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addr += num_args;
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if (ms) {
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ms = pgm_read_byte(addr++); // Read post-command delay time (ms)
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if (ms == 255)
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ms = 500; // If 255, delay for 500 ms
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delay(ms);
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}
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}
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}
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void ST7735::dump_config() {
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LOG_DISPLAY("", "ST7735", this);
|
||||
ESP_LOGCONFIG(TAG, " Model: %s", this->model_str_());
|
||||
LOG_PIN(" CS Pin: ", this->cs_);
|
||||
LOG_PIN(" DC Pin: ", this->dc_pin_);
|
||||
LOG_PIN(" Reset Pin: ", this->reset_pin_);
|
||||
ESP_LOGD(TAG, " Buffer Size: %zu", this->get_buffer_length());
|
||||
ESP_LOGD(TAG, " Height: %d", this->height_);
|
||||
ESP_LOGD(TAG, " Width: %d", this->width_);
|
||||
ESP_LOGD(TAG, " ColStart: %d", this->colstart_);
|
||||
ESP_LOGD(TAG, " RowStart: %d", this->rowstart_);
|
||||
LOG_UPDATE_INTERVAL(this);
|
||||
}
|
||||
|
||||
void HOT ST7735::writecommand_(uint8_t value) {
|
||||
this->enable();
|
||||
this->dc_pin_->digital_write(false);
|
||||
this->write_byte(value);
|
||||
this->dc_pin_->digital_write(true);
|
||||
this->disable();
|
||||
}
|
||||
|
||||
void HOT ST7735::writedata_(uint8_t value) {
|
||||
this->dc_pin_->digital_write(true);
|
||||
this->enable();
|
||||
this->write_byte(value);
|
||||
this->disable();
|
||||
}
|
||||
|
||||
void HOT ST7735::sendcommand_(uint8_t cmd, const uint8_t *data_bytes, uint8_t num_data_bytes) {
|
||||
this->writecommand_(cmd);
|
||||
this->senddata_(data_bytes, num_data_bytes);
|
||||
}
|
||||
|
||||
void HOT ST7735::senddata_(const uint8_t *data_bytes, uint8_t num_data_bytes) {
|
||||
this->dc_pin_->digital_write(true); // pull DC high to indicate data
|
||||
this->cs_->digital_write(false);
|
||||
this->enable();
|
||||
for (uint8_t i = 0; i < num_data_bytes; i++) {
|
||||
this->write_byte(pgm_read_byte(data_bytes++)); // write byte - SPI library
|
||||
}
|
||||
this->cs_->digital_write(true);
|
||||
this->disable();
|
||||
}
|
||||
|
||||
void HOT ST7735::write_display_data_() {
|
||||
uint16_t offsetx = colstart_;
|
||||
uint16_t offsety = rowstart_;
|
||||
|
||||
uint16_t x1 = offsetx;
|
||||
uint16_t x2 = x1 + get_width_internal() - 1;
|
||||
uint16_t y1 = offsety;
|
||||
uint16_t y2 = y1 + get_height_internal() - 1;
|
||||
|
||||
this->enable();
|
||||
|
||||
// set column(x) address
|
||||
this->dc_pin_->digital_write(false);
|
||||
this->write_byte(ST77XX_CASET);
|
||||
this->dc_pin_->digital_write(true);
|
||||
this->spi_master_write_addr_(x1, x2);
|
||||
|
||||
// set Page(y) address
|
||||
this->dc_pin_->digital_write(false);
|
||||
this->write_byte(ST77XX_RASET);
|
||||
this->dc_pin_->digital_write(true);
|
||||
this->spi_master_write_addr_(y1, y2);
|
||||
|
||||
// Memory Write
|
||||
this->dc_pin_->digital_write(false);
|
||||
this->write_byte(ST77XX_RAMWR);
|
||||
this->dc_pin_->digital_write(true);
|
||||
|
||||
if (this->eightbitcolor_) {
|
||||
for (int line = 0; line < this->get_buffer_length(); line = line + this->get_width_internal()) {
|
||||
for (int index = 0; index < this->get_width_internal(); ++index) {
|
||||
auto color332 = display::ColorUtil::to_color(this->buffer_[index + line], display::ColorOrder::COLOR_ORDER_RGB,
|
||||
display::ColorBitness::COLOR_BITNESS_332, true);
|
||||
|
||||
auto color = display::ColorUtil::color_to_565(color332);
|
||||
|
||||
this->write_byte((color >> 8) & 0xff);
|
||||
this->write_byte(color & 0xff);
|
||||
}
|
||||
}
|
||||
} else {
|
||||
this->write_array(this->buffer_, this->get_buffer_length());
|
||||
}
|
||||
this->disable();
|
||||
}
|
||||
|
||||
void ST7735::spi_master_write_addr_(uint16_t addr1, uint16_t addr2) {
|
||||
static uint8_t BYTE[4];
|
||||
BYTE[0] = (addr1 >> 8) & 0xFF;
|
||||
BYTE[1] = addr1 & 0xFF;
|
||||
BYTE[2] = (addr2 >> 8) & 0xFF;
|
||||
BYTE[3] = addr2 & 0xFF;
|
||||
|
||||
this->dc_pin_->digital_write(true);
|
||||
this->write_array(BYTE, 4);
|
||||
}
|
||||
|
||||
void ST7735::spi_master_write_color_(uint16_t color, uint16_t size) {
|
||||
static uint8_t BYTE[1024];
|
||||
int index = 0;
|
||||
for (int i = 0; i < size; i++) {
|
||||
BYTE[index++] = (color >> 8) & 0xFF;
|
||||
BYTE[index++] = color & 0xFF;
|
||||
}
|
||||
|
||||
this->dc_pin_->digital_write(true);
|
||||
return write_array(BYTE, size * 2);
|
||||
}
|
||||
|
||||
} // namespace st7735
|
||||
} // namespace esphome
|
||||
#include "st7735.h"
|
||||
#include "esphome/core/log.h"
|
||||
#include "esphome/core/helpers.h"
|
||||
|
||||
namespace esphome {
|
||||
namespace st7735 {
|
||||
|
||||
static const uint8_t ST_CMD_DELAY = 0x80; // special signifier for command lists
|
||||
|
||||
static const uint8_t ST77XX_NOP = 0x00;
|
||||
static const uint8_t ST77XX_SWRESET = 0x01;
|
||||
static const uint8_t ST77XX_RDDID = 0x04;
|
||||
static const uint8_t ST77XX_RDDST = 0x09;
|
||||
|
||||
static const uint8_t ST77XX_SLPIN = 0x10;
|
||||
static const uint8_t ST77XX_SLPOUT = 0x11;
|
||||
static const uint8_t ST77XX_PTLON = 0x12;
|
||||
static const uint8_t ST77XX_NORON = 0x13;
|
||||
|
||||
static const uint8_t ST77XX_INVOFF = 0x20;
|
||||
static const uint8_t ST77XX_INVON = 0x21;
|
||||
static const uint8_t ST77XX_DISPOFF = 0x28;
|
||||
static const uint8_t ST77XX_DISPON = 0x29;
|
||||
static const uint8_t ST77XX_CASET = 0x2A;
|
||||
static const uint8_t ST77XX_RASET = 0x2B;
|
||||
static const uint8_t ST77XX_RAMWR = 0x2C;
|
||||
static const uint8_t ST77XX_RAMRD = 0x2E;
|
||||
|
||||
static const uint8_t ST77XX_PTLAR = 0x30;
|
||||
static const uint8_t ST77XX_TEOFF = 0x34;
|
||||
static const uint8_t ST77XX_TEON = 0x35;
|
||||
static const uint8_t ST77XX_MADCTL = 0x36;
|
||||
static const uint8_t ST77XX_COLMOD = 0x3A;
|
||||
|
||||
static const uint8_t ST77XX_MADCTL_MY = 0x80;
|
||||
static const uint8_t ST77XX_MADCTL_MX = 0x40;
|
||||
static const uint8_t ST77XX_MADCTL_MV = 0x20;
|
||||
static const uint8_t ST77XX_MADCTL_ML = 0x10;
|
||||
static const uint8_t ST77XX_MADCTL_RGB = 0x00;
|
||||
|
||||
static const uint8_t ST77XX_RDID1 = 0xDA;
|
||||
static const uint8_t ST77XX_RDID2 = 0xDB;
|
||||
static const uint8_t ST77XX_RDID3 = 0xDC;
|
||||
static const uint8_t ST77XX_RDID4 = 0xDD;
|
||||
|
||||
// Some register settings
|
||||
static const uint8_t ST7735_MADCTL_BGR = 0x08;
|
||||
|
||||
static const uint8_t ST7735_MADCTL_MH = 0x04;
|
||||
|
||||
static const uint8_t ST7735_FRMCTR1 = 0xB1;
|
||||
static const uint8_t ST7735_FRMCTR2 = 0xB2;
|
||||
static const uint8_t ST7735_FRMCTR3 = 0xB3;
|
||||
static const uint8_t ST7735_INVCTR = 0xB4;
|
||||
static const uint8_t ST7735_DISSET5 = 0xB6;
|
||||
|
||||
static const uint8_t ST7735_PWCTR1 = 0xC0;
|
||||
static const uint8_t ST7735_PWCTR2 = 0xC1;
|
||||
static const uint8_t ST7735_PWCTR3 = 0xC2;
|
||||
static const uint8_t ST7735_PWCTR4 = 0xC3;
|
||||
static const uint8_t ST7735_PWCTR5 = 0xC4;
|
||||
static const uint8_t ST7735_VMCTR1 = 0xC5;
|
||||
|
||||
static const uint8_t ST7735_PWCTR6 = 0xFC;
|
||||
|
||||
static const uint8_t ST7735_GMCTRP1 = 0xE0;
|
||||
static const uint8_t ST7735_GMCTRN1 = 0xE1;
|
||||
|
||||
// clang-format off
|
||||
static const uint8_t PROGMEM
|
||||
BCMD[] = { // Init commands for 7735B screens
|
||||
18, // 18 commands in list:
|
||||
ST77XX_SWRESET, ST_CMD_DELAY, // 1: Software reset, no args, w/delay
|
||||
50, // 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
|
||||
|
||||
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:
|
||||
0xC8, // row/col addr, bottom-top refresh
|
||||
ST77XX_COLMOD, 1, // 15: set color mode, 1 arg, no delay:
|
||||
0x05 }, // 16-bit color
|
||||
|
||||
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
|
||||
|
||||
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
|
||||
|
||||
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
|
||||
|
||||
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
|
||||
|
||||
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 delay
|
||||
|
||||
// clang-format on
|
||||
static const char *const TAG = "st7735";
|
||||
|
||||
ST7735::ST7735(ST7735Model model, int width, int height, int colstart, int rowstart, boolean eightbitcolor,
|
||||
boolean usebgr) {
|
||||
model_ = model;
|
||||
this->width_ = width;
|
||||
this->height_ = height;
|
||||
this->colstart_ = colstart;
|
||||
this->rowstart_ = rowstart;
|
||||
this->eightbitcolor_ = eightbitcolor;
|
||||
this->usebgr_ = usebgr;
|
||||
}
|
||||
|
||||
void ST7735::setup() {
|
||||
ESP_LOGCONFIG(TAG, "Setting up ST7735...");
|
||||
this->spi_setup();
|
||||
|
||||
this->dc_pin_->setup(); // OUTPUT
|
||||
this->cs_->setup(); // OUTPUT
|
||||
|
||||
this->dc_pin_->digital_write(true);
|
||||
this->cs_->digital_write(true);
|
||||
|
||||
this->init_reset_();
|
||||
delay(100); // NOLINT
|
||||
|
||||
ESP_LOGD(TAG, " START");
|
||||
dump_config();
|
||||
ESP_LOGD(TAG, " END");
|
||||
|
||||
display_init_(RCMD1);
|
||||
|
||||
if (this->model_ == INITR_GREENTAB) {
|
||||
display_init_(RCMD2GREEN);
|
||||
colstart_ == 0 ? colstart_ = 2 : colstart_;
|
||||
rowstart_ == 0 ? rowstart_ = 1 : rowstart_;
|
||||
} else if ((this->model_ == INITR_144GREENTAB) || (this->model_ == INITR_HALLOWING)) {
|
||||
height_ == 0 ? height_ = ST7735_TFTHEIGHT_128 : height_;
|
||||
width_ == 0 ? width_ = ST7735_TFTWIDTH_128 : width_;
|
||||
display_init_(RCMD2GREEN144);
|
||||
colstart_ == 0 ? colstart_ = 2 : colstart_;
|
||||
rowstart_ == 0 ? rowstart_ = 3 : rowstart_;
|
||||
} else if (this->model_ == INITR_MINI_160X80) {
|
||||
height_ == 0 ? height_ = ST7735_TFTHEIGHT_160 : height_;
|
||||
width_ == 0 ? width_ = ST7735_TFTWIDTH_80 : width_;
|
||||
display_init_(RCMD2GREEN160X80);
|
||||
colstart_ = 24;
|
||||
rowstart_ = 0; // For default rotation 0
|
||||
} else {
|
||||
// colstart, rowstart left at default '0' values
|
||||
display_init_(RCMD2RED);
|
||||
}
|
||||
display_init_(RCMD3);
|
||||
|
||||
uint8_t data = 0;
|
||||
if (this->model_ != INITR_HALLOWING) {
|
||||
uint8_t data = ST77XX_MADCTL_MX | ST77XX_MADCTL_MY;
|
||||
}
|
||||
if (this->usebgr_) {
|
||||
data = data | ST7735_MADCTL_BGR;
|
||||
} else {
|
||||
data = data | ST77XX_MADCTL_RGB;
|
||||
}
|
||||
sendcommand_(ST77XX_MADCTL, &data, 1);
|
||||
|
||||
this->init_internal_(this->get_buffer_length());
|
||||
memset(this->buffer_, 0x00, this->get_buffer_length());
|
||||
}
|
||||
|
||||
void ST7735::update() {
|
||||
this->do_update_();
|
||||
this->write_display_data_();
|
||||
}
|
||||
|
||||
int ST7735::get_height_internal() { return height_; }
|
||||
|
||||
int ST7735::get_width_internal() { return width_; }
|
||||
|
||||
size_t ST7735::get_buffer_length() {
|
||||
if (this->eightbitcolor_) {
|
||||
return size_t(this->get_width_internal()) * size_t(this->get_height_internal());
|
||||
}
|
||||
return size_t(this->get_width_internal()) * size_t(this->get_height_internal()) * 2;
|
||||
}
|
||||
|
||||
void HOT ST7735::draw_absolute_pixel_internal(int x, int y, Color color) {
|
||||
if (x >= this->get_width_internal() || x < 0 || y >= this->get_height_internal() || y < 0)
|
||||
return;
|
||||
|
||||
if (this->eightbitcolor_) {
|
||||
const uint32_t color332 = display::ColorUtil::color_to_332(color);
|
||||
uint16_t pos = (x + y * this->get_width_internal());
|
||||
this->buffer_[pos] = color332;
|
||||
} else {
|
||||
const uint32_t color565 = display::ColorUtil::color_to_565(color);
|
||||
uint16_t pos = (x + y * this->get_width_internal()) * 2;
|
||||
this->buffer_[pos++] = (color565 >> 8) & 0xff;
|
||||
this->buffer_[pos] = color565 & 0xff;
|
||||
}
|
||||
}
|
||||
|
||||
void ST7735::init_reset_() {
|
||||
if (this->reset_pin_ != nullptr) {
|
||||
this->reset_pin_->setup();
|
||||
this->reset_pin_->digital_write(true);
|
||||
delay(1);
|
||||
// Trigger Reset
|
||||
this->reset_pin_->digital_write(false);
|
||||
delay(10);
|
||||
// Wake up
|
||||
this->reset_pin_->digital_write(true);
|
||||
}
|
||||
}
|
||||
const char *ST7735::model_str_() {
|
||||
switch (this->model_) {
|
||||
case INITR_GREENTAB:
|
||||
return "ST7735 GREENTAB";
|
||||
case INITR_REDTAB:
|
||||
return "ST7735 REDTAB";
|
||||
case INITR_BLACKTAB:
|
||||
return "ST7735 BLACKTAB";
|
||||
case INITR_MINI_160X80:
|
||||
return "ST7735 MINI160x80";
|
||||
default:
|
||||
return "Unknown";
|
||||
}
|
||||
}
|
||||
|
||||
void ST7735::display_init_(const uint8_t *addr) {
|
||||
uint8_t num_commands, cmd, num_args;
|
||||
uint16_t ms;
|
||||
|
||||
num_commands = pgm_read_byte(addr++); // Number of commands to follow
|
||||
while (num_commands--) { // For each command...
|
||||
cmd = pgm_read_byte(addr++); // Read command
|
||||
num_args = pgm_read_byte(addr++); // Number of args to follow
|
||||
ms = num_args & ST_CMD_DELAY; // If hibit set, delay follows args
|
||||
num_args &= ~ST_CMD_DELAY; // Mask out delay bit
|
||||
this->sendcommand_(cmd, addr, num_args);
|
||||
addr += num_args;
|
||||
|
||||
if (ms) {
|
||||
ms = pgm_read_byte(addr++); // Read post-command delay time (ms)
|
||||
if (ms == 255)
|
||||
ms = 500; // If 255, delay for 500 ms
|
||||
delay(ms);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void ST7735::dump_config() {
|
||||
LOG_DISPLAY("", "ST7735", this);
|
||||
ESP_LOGCONFIG(TAG, " Model: %s", this->model_str_());
|
||||
LOG_PIN(" CS Pin: ", this->cs_);
|
||||
LOG_PIN(" DC Pin: ", this->dc_pin_);
|
||||
LOG_PIN(" Reset Pin: ", this->reset_pin_);
|
||||
ESP_LOGD(TAG, " Buffer Size: %zu", this->get_buffer_length());
|
||||
ESP_LOGD(TAG, " Height: %d", this->height_);
|
||||
ESP_LOGD(TAG, " Width: %d", this->width_);
|
||||
ESP_LOGD(TAG, " ColStart: %d", this->colstart_);
|
||||
ESP_LOGD(TAG, " RowStart: %d", this->rowstart_);
|
||||
LOG_UPDATE_INTERVAL(this);
|
||||
}
|
||||
|
||||
void HOT ST7735::writecommand_(uint8_t value) {
|
||||
this->enable();
|
||||
this->dc_pin_->digital_write(false);
|
||||
this->write_byte(value);
|
||||
this->dc_pin_->digital_write(true);
|
||||
this->disable();
|
||||
}
|
||||
|
||||
void HOT ST7735::writedata_(uint8_t value) {
|
||||
this->dc_pin_->digital_write(true);
|
||||
this->enable();
|
||||
this->write_byte(value);
|
||||
this->disable();
|
||||
}
|
||||
|
||||
void HOT ST7735::sendcommand_(uint8_t cmd, const uint8_t *data_bytes, uint8_t num_data_bytes) {
|
||||
this->writecommand_(cmd);
|
||||
this->senddata_(data_bytes, num_data_bytes);
|
||||
}
|
||||
|
||||
void HOT ST7735::senddata_(const uint8_t *data_bytes, uint8_t num_data_bytes) {
|
||||
this->dc_pin_->digital_write(true); // pull DC high to indicate data
|
||||
this->cs_->digital_write(false);
|
||||
this->enable();
|
||||
for (uint8_t i = 0; i < num_data_bytes; i++) {
|
||||
this->write_byte(pgm_read_byte(data_bytes++)); // write byte - SPI library
|
||||
}
|
||||
this->cs_->digital_write(true);
|
||||
this->disable();
|
||||
}
|
||||
|
||||
void HOT ST7735::write_display_data_() {
|
||||
uint16_t offsetx = colstart_;
|
||||
uint16_t offsety = rowstart_;
|
||||
|
||||
uint16_t x1 = offsetx;
|
||||
uint16_t x2 = x1 + get_width_internal() - 1;
|
||||
uint16_t y1 = offsety;
|
||||
uint16_t y2 = y1 + get_height_internal() - 1;
|
||||
|
||||
this->enable();
|
||||
|
||||
// set column(x) address
|
||||
this->dc_pin_->digital_write(false);
|
||||
this->write_byte(ST77XX_CASET);
|
||||
this->dc_pin_->digital_write(true);
|
||||
this->spi_master_write_addr_(x1, x2);
|
||||
|
||||
// set Page(y) address
|
||||
this->dc_pin_->digital_write(false);
|
||||
this->write_byte(ST77XX_RASET);
|
||||
this->dc_pin_->digital_write(true);
|
||||
this->spi_master_write_addr_(y1, y2);
|
||||
|
||||
// Memory Write
|
||||
this->dc_pin_->digital_write(false);
|
||||
this->write_byte(ST77XX_RAMWR);
|
||||
this->dc_pin_->digital_write(true);
|
||||
|
||||
if (this->eightbitcolor_) {
|
||||
for (int line = 0; line < this->get_buffer_length(); line = line + this->get_width_internal()) {
|
||||
for (int index = 0; index < this->get_width_internal(); ++index) {
|
||||
auto color332 = display::ColorUtil::to_color(this->buffer_[index + line], display::ColorOrder::COLOR_ORDER_RGB,
|
||||
display::ColorBitness::COLOR_BITNESS_332, true);
|
||||
|
||||
auto color = display::ColorUtil::color_to_565(color332);
|
||||
|
||||
this->write_byte((color >> 8) & 0xff);
|
||||
this->write_byte(color & 0xff);
|
||||
}
|
||||
}
|
||||
} else {
|
||||
this->write_array(this->buffer_, this->get_buffer_length());
|
||||
}
|
||||
this->disable();
|
||||
}
|
||||
|
||||
void ST7735::spi_master_write_addr_(uint16_t addr1, uint16_t addr2) {
|
||||
static uint8_t BYTE[4];
|
||||
BYTE[0] = (addr1 >> 8) & 0xFF;
|
||||
BYTE[1] = addr1 & 0xFF;
|
||||
BYTE[2] = (addr2 >> 8) & 0xFF;
|
||||
BYTE[3] = addr2 & 0xFF;
|
||||
|
||||
this->dc_pin_->digital_write(true);
|
||||
this->write_array(BYTE, 4);
|
||||
}
|
||||
|
||||
void ST7735::spi_master_write_color_(uint16_t color, uint16_t size) {
|
||||
static uint8_t BYTE[1024];
|
||||
int index = 0;
|
||||
for (int i = 0; i < size; i++) {
|
||||
BYTE[index++] = (color >> 8) & 0xFF;
|
||||
BYTE[index++] = color & 0xFF;
|
||||
}
|
||||
|
||||
this->dc_pin_->digital_write(true);
|
||||
return write_array(BYTE, size * 2);
|
||||
}
|
||||
|
||||
} // namespace st7735
|
||||
} // namespace esphome
|
||||
|
||||
Loading…
Reference in New Issue
Block a user