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Merge pull request #2951 from meshcore-dev/fast-st7735-display 

Fast ST7735 Display Driver
pull/2733/merge
Huw Duddy 1 week ago
committed by GitHub
parent
05fdafbb2d d30d8ed748
commit
64e8e24720
No known key found for this signature in database GPG Key ID: B5690EEEBB952194
5 changed files with 519 additions and 64 deletions
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  1. 565
      src/helpers/ui/ST7735Display.cpp
  2. 12
      src/helpers/ui/ST7735Display.h
  3. 2
      variants/heltec_t096/platformio.ini
  4. 2
      variants/heltec_tracker/platformio.ini
  5. 2
      variants/heltec_tracker_v2/platformio.ini

565
src/helpers/ui/ST7735Display.cpp
View File

@ -1,12 +1,405 @@
#include "ST7735Display.h"
#ifndef DISPLAY_ROTATION
#define DISPLAY_ROTATION 2
//#include <Fonts/GFXFF/FreeSans9pt7b.h>
// Optimised ST7735 display driver, derived from Adafruit_ST7735 library.
#define ST_CMD_DELAY 0x80 // special signifier for command lists
#define ST77XX_NOP 0x00
#define ST77XX_SWRESET 0x01
#define ST77XX_RDDID 0x04
#define ST77XX_RDDST 0x09
#define ST77XX_SLPIN 0x10
#define ST77XX_SLPOUT 0x11
#define ST77XX_PTLON 0x12
#define ST77XX_NORON 0x13
#define ST77XX_INVOFF 0x20
#define ST77XX_INVON 0x21
#define ST77XX_DISPOFF 0x28
#define ST77XX_DISPON 0x29
#define ST77XX_CASET 0x2A
#define ST77XX_RASET 0x2B
#define ST77XX_RAMWR 0x2C
#define ST77XX_RAMRD 0x2E
#define ST77XX_PTLAR 0x30
#define ST77XX_TEOFF 0x34
#define ST77XX_TEON 0x35
#define ST77XX_MADCTL 0x36
#define ST77XX_COLMOD 0x3A
#define ST77XX_MADCTL_MY 0x80
#define ST77XX_MADCTL_MX 0x40
#define ST77XX_MADCTL_MV 0x20
#define ST77XX_MADCTL_ML 0x10
#define ST77XX_MADCTL_RGB 0x00
#define ST77XX_RDID1 0xDA
#define ST77XX_RDID2 0xDB
#define ST77XX_RDID3 0xDC
#define ST77XX_RDID4 0xDD
// Some ready-made 16-bit ('565') color settings:
#define ST77XX_BLACK 0x0000
#define ST77XX_WHITE 0xFFFF
#define ST77XX_RED 0xF800
#define ST77XX_GREEN 0x07E0
#define ST77XX_BLUE 0x001F
#define ST77XX_CYAN 0x07FF
#define ST77XX_MAGENTA 0xF81F
#define ST77XX_YELLOW 0xFFE0
#define ST77XX_ORANGE 0xFC00
// some flags for initR() :(
#define INITR_GREENTAB 0x00
#define INITR_REDTAB 0x01
#define INITR_BLACKTAB 0x02
#define INITR_18GREENTAB INITR_GREENTAB
#define INITR_18REDTAB INITR_REDTAB
#define INITR_18BLACKTAB INITR_BLACKTAB
#define INITR_144GREENTAB 0x01
#define INITR_MINI160x80 0x04
#define INITR_HALLOWING 0x05
#define INITR_MINI160x80_PLUGIN 0x06
// Some register settings
#define ST7735_MADCTL_BGR 0x08
#define ST7735_MADCTL_MH 0x04
#define ST7735_FRMCTR1 0xB1
#define ST7735_FRMCTR2 0xB2
#define ST7735_FRMCTR3 0xB3
#define ST7735_INVCTR 0xB4
#define ST7735_DISSET5 0xB6
#define ST7735_PWCTR1 0xC0
#define ST7735_PWCTR2 0xC1
#define ST7735_PWCTR3 0xC2
#define ST7735_PWCTR4 0xC3
#define ST7735_PWCTR5 0xC4
#define ST7735_VMCTR1 0xC5
#define ST7735_PWCTR6 0xFC
#define ST7735_GMCTRP1 0xE0
#define ST7735_GMCTRN1 0xE1
// Some ready-made 16-bit ('565') color settings:
#define ST7735_BLACK ST77XX_BLACK
#define ST7735_WHITE ST77XX_WHITE
#define ST7735_RED ST77XX_RED
#define ST7735_GREEN ST77XX_GREEN
#define ST7735_BLUE ST77XX_BLUE
#define ST7735_CYAN ST77XX_CYAN
#define ST7735_MAGENTA ST77XX_MAGENTA
#define ST7735_YELLOW ST77XX_YELLOW
#define ST7735_ORANGE ST77XX_ORANGE
static TFT_eSPI lcd = TFT_eSPI(160, 80);
static uint32_t curr_color;
#if defined(HELTEC_LORA_V3) || defined(HELTEC_TRACKER_V2)
static SPIClass tft_spi(HSPI);
#define _spi (&tft_spi)
#else
#define _spi (&SPI1)
#endif
SPISettings _spiSettings = SPISettings(40000000, MSBFIRST, SPI_MODE0);
// 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)
14, // 14 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
120, // 120 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
Rcmd2green160x80plugin[] = { // 7735R init, part 2 (mini 160x80 with plugin FPC)
3, // 3 commands in list:
ST77XX_INVON, 0, // 1: Display is inverted
ST77XX_CASET, 4, // 2: Column addr set, 4 args, no delay:
0x00, 0x00, // XSTART = 0
0x00, 0x4F, // XEND = 79
ST77XX_RASET, 4, // 3: Row addr set, 4 args, no delay:
0x00, 0x00, // XSTART = 0
0x00, 0x9F }, // XEND = 159
Rcmd3[] = { // 7735R init, part 3 (red or green tab)
2, // 2 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 }; // 100 ms delay
static int16_t _xstart = 0; ///< Internal framebuffer X offset
static int16_t _ystart = 0; ///< Internal framebuffer Y offset
static uint8_t _colstart = 0; ///< Some displays need this changed to offset
static uint8_t _rowstart = 0; ///< Some displays need this changed to offset
static uint8_t rotation = 0;
static int16_t _width = 0; ///< Display width as modified by current rotation
static int16_t _height = 0; ///< Display height as modified by current rotation
static void set_CS(uint8_t level) {
//if (_cs != (uint8_t) -1) {
digitalWrite(PIN_TFT_CS, level);
//}
}
static void sendCommand(uint8_t com) {
set_CS(HIGH);
digitalWrite(PIN_TFT_DC, LOW);
set_CS(LOW);
_spi->beginTransaction(_spiSettings);
_spi->transfer(com);
_spi->endTransaction();
set_CS(HIGH);
digitalWrite(PIN_TFT_DC, HIGH);
}
static void WriteData(uint8_t data) {
digitalWrite(PIN_TFT_CS, LOW);
_spi->beginTransaction(_spiSettings);
_spi->transfer(data);
_spi->endTransaction();
digitalWrite(PIN_TFT_CS, HIGH);
}
static void SPI_WRITE32(uint32_t l) {
_spi->transfer(l >> 24);
_spi->transfer(l >> 16);
_spi->transfer(l >> 8);
_spi->transfer(l);
}
static void writeCommand(uint8_t cmd) {
digitalWrite(PIN_TFT_DC, LOW);
_spi->transfer(cmd);
digitalWrite(PIN_TFT_DC, HIGH);
}
static void displayInit(const uint8_t *addr) {
uint8_t numCommands, cmd, numArgs;
uint16_t ms;
numCommands = pgm_read_byte(addr++); // Number of commands to follow
while (numCommands--) { // For each command...
cmd = pgm_read_byte(addr++); // Read command
numArgs = pgm_read_byte(addr++); // Number of args to follow
ms = numArgs & ST_CMD_DELAY; // If hibit set, delay follows args
numArgs &= ~ST_CMD_DELAY; // Mask out delay bit
sendCommand(cmd);
for (int k = 0; k < numArgs; k++) {
WriteData(addr[k]);
}
addr += numArgs;
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);
}
}
}
static void setRotation(uint8_t m) {
uint8_t madctl = 0;
rotation = m & 3; // can't be higher than 3
switch (rotation) {
case 0:
madctl = ST77XX_MADCTL_MX | ST77XX_MADCTL_MY | ST7735_MADCTL_BGR;
_height = 160;
_width = 80;
_xstart = _colstart;
_ystart = _rowstart;
break;
case 1:
madctl = ST77XX_MADCTL_MY | ST77XX_MADCTL_MV | ST7735_MADCTL_BGR;
_width = 160;
_height = 80;
_ystart = _colstart;
_xstart = _rowstart;
break;
case 2:
madctl = ST7735_MADCTL_BGR;
_height = 160;
_width = 80;
_xstart = _colstart;
_ystart = _rowstart;
break;
case 3:
madctl = ST77XX_MADCTL_MX | ST77XX_MADCTL_MV | ST7735_MADCTL_BGR;
_width = 160;
_height = 80;
_ystart = _colstart;
_xstart = _rowstart;
break;
}
sendCommand(ST77XX_MADCTL);
WriteData(madctl);
}
static void setAddrWindow(uint16_t x, uint16_t y, uint16_t w, uint16_t h) {
x += _xstart;
y += _ystart;
uint32_t xa = ((uint32_t)x << 16) | (x + w - 1);
uint32_t ya = ((uint32_t)y << 16) | (y + h - 1);
writeCommand(ST77XX_CASET); // Column addr set
SPI_WRITE32(xa);
writeCommand(ST77XX_RASET); // Row addr set
SPI_WRITE32(ya);
writeCommand(ST77XX_RAMWR); // write to RAM
}
#define SCALE_X 1.25f // 160 / 128
#define SCALE_Y 1.25f // 80 / 64
static TFT_eSprite *sprite = NULL;
bool ST7735Display::i2c_probe(TwoWire& wire, uint8_t addr) {
return true;
/*
@ -16,53 +409,103 @@ bool ST7735Display::i2c_probe(TwoWire& wire, uint8_t addr) {
*/
}
#ifndef PIN_TFT_LEDA_CTL_ACTIVE
#define PIN_TFT_LEDA_CTL_ACTIVE HIGH
#endif
bool ST7735Display::begin() {
if (!sprite) {
// alloc offscreen canvas
sprite = new TFT_eSprite(&lcd);
if (sprite) {
if (sprite->createSprite(160, 80)) {
sprite->fillScreen(ST77XX_BLACK);
sprite->setTextColor(curr_color = ST77XX_WHITE);
} else {
Serial.printf("ST7735Display: failed to alloc canvas pixels");
}
} else {
Serial.printf("ST7735Display: failed to alloc canvas");
}
}
if (!_isOn) {
if (_peripher_power) _peripher_power->claim();
delay(100); // TEMP!!
pinMode(PIN_TFT_RST, OUTPUT);
pinMode(PIN_TFT_CS, OUTPUT);
pinMode(PIN_TFT_DC, OUTPUT);
pinMode(PIN_TFT_LEDA_CTL, OUTPUT);
#if defined(PIN_TFT_LEDA_CTL_ACTIVE)
digitalWrite(PIN_TFT_LEDA_CTL, PIN_TFT_LEDA_CTL_ACTIVE);
#else
digitalWrite(PIN_TFT_LEDA_CTL, HIGH);
#endif
digitalWrite(PIN_TFT_RST, HIGH);
#if defined(HELTEC_T1)
display.initR(INITR_MINI160x80);
display.setRotation(DISPLAY_ROTATION);
#elif defined(HELTEC_TRACKER_V2) || defined(HELTEC_T096)
display.initR(INITR_MINI160x80);
display.setRotation(DISPLAY_ROTATION);
uint8_t madctl = ST77XX_MADCTL_MY | ST77XX_MADCTL_MV |ST7735_MADCTL_BGR;//Adjust color to BGR
display.sendCommand(ST77XX_MADCTL, &madctl, 1);
#ifdef ESP_PLATFORM
_spi->begin(PIN_TFT_SCL, -1 /* _miso */, PIN_TFT_SDA /* _mosi */, -1);
#else
display.initR(INITR_MINI160x80_PLUGIN);
display.setRotation(DISPLAY_ROTATION);
_spi->begin();
#endif
display.setSPISpeed(40000000);
display.fillScreen(ST77XX_BLACK);
display.setTextColor(ST77XX_WHITE);
display.setTextSize(2);
display.cp437(true); // Use full 256 char 'Code Page 437' font
_spi->setClockDivider(SPI_CLOCK_DIV2);
_height = 80;
_width = 160;
_colstart = 24;
_rowstart = 0;
_resetAndInit();
sendCommand(ST77XX_DISPON);
_isOn = true;
}
return true;
}
void ST7735Display::_resetAndInit() {
// Pulse Reset low for 10ms
digitalWrite(PIN_TFT_RST, HIGH);
delay(2);
digitalWrite(PIN_TFT_RST, LOW);
delay(10);
digitalWrite(PIN_TFT_RST, HIGH);
delay(2);
// run init commands
displayInit(Rcmd1);
#if defined(HELTEC_TRACKER_V2) || defined(HELTEC_T096)
displayInit(Rcmd2green160x80);
//uint8_t madctl = ST77XX_MADCTL_MY | ST77XX_MADCTL_MV |ST7735_MADCTL_BGR;//Adjust color to BGR
//display.sendCommand(ST77XX_MADCTL, &madctl, 1);
#endif
displayInit(Rcmd3);
setRotation(DISPLAY_ROTATION);
// clear the buffer before display on
sprite->fillScreen(ST77XX_BLACK);
endFrame();
// turn on backlight
digitalWrite(PIN_TFT_LEDA_CTL, PIN_TFT_LEDA_CTL_ACTIVE);
}
void ST7735Display::turnOn() {
ST7735Display::begin();
if (!_isOn) {
if (_peripher_power) _peripher_power->claim();
_resetAndInit();
sendCommand(ST77XX_DISPON);
// Now turn on the backlight
// digitalWrite(PIN_TFT_LEDA_CTL, PIN_TFT_LEDA_CTL_ACTIVE);
_isOn = true;
}
}
void ST7735Display::turnOff() {
if (_isOn) {
digitalWrite(PIN_TFT_RST, LOW);
#if defined(PIN_TFT_LEDA_CTL_ACTIVE)
sendCommand(ST77XX_DISPOFF);
//digitalWrite(PIN_TFT_RST, LOW);
// Now turn off the backlight
digitalWrite(PIN_TFT_LEDA_CTL, !PIN_TFT_LEDA_CTL_ACTIVE);
#else
digitalWrite(PIN_TFT_LEDA_CTL, LOW);
#endif
_isOn = false;
if (_peripher_power) _peripher_power->release();
@ -70,78 +513,90 @@ void ST7735Display::turnOff() {
}
void ST7735Display::clear() {
//Serial.println("DBG: display.Clear");
display.fillScreen(ST77XX_BLACK);
sprite->fillScreen(ST77XX_BLACK);
}
void ST7735Display::startFrame(Color bkg) {
display.fillScreen(0x00);
display.setTextColor(ST77XX_WHITE);
display.setTextSize(1); // This one affects size of Please wait... message
display.cp437(true); // Use full 256 char 'Code Page 437' font
sprite->fillScreen(ST77XX_BLACK);
sprite->setTextColor(curr_color = ST77XX_WHITE);
sprite->setFreeFont();
sprite->setTextSize(1); // This one affects size of Please wait... message
//sprite->cp437(true); // Use full 256 char 'Code Page 437' font
}
void ST7735Display::setTextSize(int sz) {
display.setTextSize(sz);
sprite->setTextSize(sz);
}
void ST7735Display::setColor(Color c) {
switch (c) {
case DisplayDriver::DARK :
_color = ST77XX_BLACK;
curr_color = ST77XX_BLACK;
break;
case DisplayDriver::LIGHT :
_color = ST77XX_WHITE;
curr_color = ST77XX_WHITE;
break;
case DisplayDriver::RED :
_color = ST77XX_RED;
curr_color = ST77XX_RED;
break;
case DisplayDriver::GREEN :
_color = ST77XX_GREEN;
curr_color = ST77XX_GREEN;
break;
case DisplayDriver::BLUE :
_color = ST77XX_BLUE;
curr_color = ST77XX_BLUE;
break;
case DisplayDriver::YELLOW :
_color = ST77XX_YELLOW;
curr_color = ST77XX_YELLOW;
break;
case DisplayDriver::ORANGE :
_color = ST77XX_ORANGE;
curr_color = ST77XX_ORANGE;
break;
default:
_color = ST77XX_WHITE;
curr_color = ST77XX_WHITE;
break;
}
display.setTextColor(_color);
sprite->setTextColor(curr_color);
}
void ST7735Display::setCursor(int x, int y) {
display.setCursor(x*SCALE_X, y*SCALE_Y);
sprite->setCursor(x*SCALE_X, y*SCALE_Y);
}
void ST7735Display::print(const char* str) {
display.print(str);
sprite->print(str);
}
void ST7735Display::fillRect(int x, int y, int w, int h) {
display.fillRect(x*SCALE_X, y*SCALE_Y, w*SCALE_X, h*SCALE_Y, _color);
sprite->fillRect(x*SCALE_X, y*SCALE_Y, w*SCALE_X, h*SCALE_Y, curr_color);
}
void ST7735Display::drawRect(int x, int y, int w, int h) {
display.drawRect(x*SCALE_X, y*SCALE_Y, w*SCALE_X, h*SCALE_Y, _color);
sprite->drawRect(x*SCALE_X, y*SCALE_Y, w*SCALE_X, h*SCALE_Y, curr_color);
}
void ST7735Display::drawXbm(int x, int y, const uint8_t* bits, int w, int h) {
display.drawBitmap(x*SCALE_X, y*SCALE_Y, bits, w, h, _color);
sprite->drawBitmap(x*SCALE_X, y*SCALE_Y, bits, w, h, curr_color);
}
uint16_t ST7735Display::getTextWidth(const char* str) {
int16_t x1, y1;
uint16_t w, h;
display.getTextBounds(str, 0, 0, &x1, &y1, &w, &h);
return w / SCALE_X;
return sprite->textWidth(str) / SCALE_X;
}
void ST7735Display::endFrame() {
// display.display();
// blit the canvas buffer to LCD
set_CS(LOW);
_spi->beginTransaction(_spiSettings);
uint16_t x, y;
uint16_t* pixels = (uint16_t *) ((TFT_eSprite *) sprite)->getPointer();
for (y = 0; y < 80; y++, pixels += 160) {
setAddrWindow(0, y, 160, 1);
#ifdef ESP_PLATFORM
_spi->transferBytes((uint8_t *)pixels, NULL, 2 * 160);
#else
_spi->transfer(pixels, NULL, 2 * 160);
#endif
}
_spi->endTransaction();
set_CS(HIGH);
}

12
src/helpers/ui/ST7735Display.h
View File

@ -3,28 +3,25 @@
#include "DisplayDriver.h"
#include <Wire.h>
#include <SPI.h>
#include <Adafruit_GFX.h>
#include <Adafruit_ST7735.h>
#include "TFT_eSPI.h"
#include <helpers/RefCountedDigitalPin.h>
class ST7735Display : public DisplayDriver {
Adafruit_ST7735 display;
bool _isOn;
uint16_t _color;
RefCountedDigitalPin* _peripher_power;
bool i2c_probe(TwoWire& wire, uint8_t addr);
public:
#ifdef USE_PIN_TFT
ST7735Display(RefCountedDigitalPin* peripher_power=NULL) : DisplayDriver(128, 64),
display(PIN_TFT_CS, PIN_TFT_DC, PIN_TFT_SDA, PIN_TFT_SCL, PIN_TFT_RST),
// display(PIN_TFT_CS, PIN_TFT_DC, PIN_TFT_SDA, PIN_TFT_SCL, PIN_TFT_RST),
_peripher_power(peripher_power)
{
_isOn = false;
}
#else
ST7735Display(RefCountedDigitalPin* peripher_power=NULL) : DisplayDriver(128, 64),
display(&SPI1, PIN_TFT_CS, PIN_TFT_DC, PIN_TFT_RST),
// display(&SPI1, PIN_TFT_CS, PIN_TFT_DC, PIN_TFT_RST),
_peripher_power(peripher_power)
{
_isOn = false;
@ -46,4 +43,7 @@ public:
void drawXbm(int x, int y, const uint8_t* bits, int w, int h) override;
uint16_t getTextWidth(const char* str) override;
void endFrame() override;
protected:
void _resetAndInit();
};

2
variants/heltec_t096/platformio.ini
View File

@ -51,7 +51,7 @@ build_src_filter = ${nrf52_base.build_src_filter}
lib_deps =
${nrf52_base.lib_deps}
${sensor_base.lib_deps}
adafruit/Adafruit ST7735 and ST7789 Library @ ^1.11.0
bodmer/TFT_eSPI @ ^2.4.31
debug_tool = jlink
upload_protocol = nrfutil

2
variants/heltec_tracker/platformio.ini
View File

@ -47,7 +47,7 @@ build_src_filter = ${esp32_base.build_src_filter}
lib_deps =
${esp32_base.lib_deps}
stevemarple/MicroNMEA @ ^2.0.6
adafruit/Adafruit ST7735 and ST7789 Library @ ^1.11.0
bodmer/TFT_eSPI @ ^2.4.31
[env:Heltec_Wireless_Tracker_companion_radio_usb]
extends = Heltec_tracker_base

2
variants/heltec_tracker_v2/platformio.ini
View File

@ -55,7 +55,7 @@ build_src_filter = ${esp32_base.build_src_filter}
lib_deps =
${esp32_base.lib_deps}
${sensor_base.lib_deps}
adafruit/Adafruit ST7735 and ST7789 Library @ ^1.11.0
bodmer/TFT_eSPI @ ^2.4.31
[env:heltec_tracker_v2_repeater]
extends = Heltec_tracker_v2

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