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feat(boards): add M5Stack Cardputer ADV and LilyGO T-Echo Lite KeyShield

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New M5Stack Cardputer ADV variant (ESP32-S3, ST7789 TFT, built-in TCA8418
QWERTY keyboard, PI4IOE5V6408 LoRa-cap IO-expander autodetect), and a
KeyShield accessory variant for the existing LilyGO T-Echo Lite (external
TCA8418 T9 keypad + AW21009 backlight driver). Both keyboards share one
ENV_USE_TCA8418 polling block in UITask.cpp::loop(), coexisting with the
unrelated CardKB support (different chip/address/flag).

Fixes carried in from the contributed T-Echo Lite code: swapped GPS RX/TX
pins, TX-LED hooks, TCXO voltage, missing GxEPD2_122_T61 panel include.
Fixed during integration: I2C bus was probed for an RTC before Wire.begin()
configured its pins on Cardputer ADV (silent RTC autodetect failure).

Added dedicated *_solo_dual release envs for both boards (auto-picked up by
the solo-firmware release workflow). Gave the T-Echo Lite KeyShield solo
build -Os/-Ofast-unflag like every other nRF52 solo build (was missing,
cut flash usage from 90.7% to 61.4%).

Ported the shared misc-fixed 6x9 font (full Latin/Greek/Cyrillic, opt-in via
OLED_MISC_FIXED_FONT) to ST7789Display for the Cardputer's on-screen
keyboard. ST7789Spi isn't Adafruit_GFX-based like the other single-font
drivers, and this panel's logical->physical scale is non-integer, so glyphs
are re-packed to XBM and blitted through the existing drawXbm(), which
already does correct fractional-scale boundary math, rather than
duplicating that logic.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
This commit is contained in:
Jakub
2026-08-08 01:06:24 +02:00
co-authored by Claude Opus 5
parent 6fd1c4bae2
commit 05e57357d3
15 changed files with 1061 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/helpers/ui/ST7789Display.cpp
+93
View File
@@ -2,6 +2,11 @@
#include "ST7789Display.h"
#ifdef OLED_MISC_FIXED_FONT
#include "MiscFixedFont.h"
#include "LemonIcons.h"
#endif
#ifndef X_OFFSET
#define X_OFFSET 0 // No offset needed for landscape
#endif
@@ -13,11 +18,49 @@
#ifdef HELTEC_VISION_MASTER_T190
#define SCALE_X 2.5f // 320 / 128
#define SCALE_Y 2.65625f // 170 / 64
#elif defined(CARDPUTER_ADV)
#define SCALE_X 1.875f // 240 / 128
#define SCALE_Y 2.109375f // 135 / 64
#else
#define SCALE_X 1.875f // 240 / 128
#define SCALE_Y 2.109375f // 135 / 64
#endif
#ifdef OLED_MISC_FIXED_FONT
// MiscFixedFont.h/LemonIcons.h store each glyph's rows bit-packed
// *continuously* (Adafruit_GFX's native GFXfont convention -- no per-row byte
// padding), but drawXbm() below expects classic XBM packing (each row padded
// to a whole byte). Re-pack into a small stack buffer so the glyph can be
// blitted through drawXbm() -- which already implements the correct
// logical->physical scaling for this panel's non-integer SCALE_X/Y (via
// per-pixel boundary differences), instead of duplicating that math here.
static bool repackGlyphToXbm(const uint8_t* bitmapProgmem, uint16_t byteOffset, uint8_t w, uint8_t h, uint8_t* out, uint8_t outCap) {
uint8_t widthInBytes = (w + 7) / 8;
uint16_t needed = (uint16_t)widthInBytes * h;
if (needed == 0 || needed > outCap) return false;
memset(out, 0, needed);
uint16_t srcBit = 0;
for (uint8_t row = 0; row < h; row++) {
for (uint8_t col = 0; col < w; col++) {
uint16_t byteIdx = byteOffset + (srcBit >> 3);
uint8_t bitMask = 0x80 >> (srcBit & 7);
if (pgm_read_byte(bitmapProgmem + byteIdx) & bitMask) {
out[row * widthInBytes + (col >> 3)] |= (0x80 >> (col & 7));
}
srcBit++;
}
}
return true;
}
uint8_t ST7789Display::glyphXAdvance(uint32_t cp) {
for (uint8_t i = 0; i < lemonIconCount; i++)
if (pgm_read_dword(&lemonIconCPs[i]) == cp) return pgm_read_byte(&lemonIconGlyphs[i].xAdvance);
if (cp < MiscFixed.first || cp > MiscFixed.last) return 6;
return pgm_read_byte(&MiscFixedGlyphs[cp - MiscFixed.first].xAdvance);
}
#endif
bool ST7789Display::begin() {
if(!_isOn) {
pinMode(PIN_TFT_VDD_CTL, OUTPUT);
@@ -131,12 +174,55 @@ void ST7789Display::setColor(Color c) {
}
void ST7789Display::setCursor(int x, int y) {
#ifdef OLED_MISC_FIXED_FONT
_lx = x;
_ly = y;
#endif
_x = x*SCALE_X + X_OFFSET;
_y = y*SCALE_Y + Y_OFFSET;
}
void ST7789Display::print(const char* str) {
#ifdef OLED_MISC_FIXED_FONT
int lx = _lx, ly = _ly;
uint8_t glyphBuf[16];
const uint8_t* p = (const uint8_t*)str;
while (*p) {
uint32_t cp = DisplayDriver::decodeCodepoint(p);
if (cp == '\n') { ly += MiscFixed.yAdvance; lx = _lx; continue; }
bool drawn = false;
for (uint8_t i = 0; i < lemonIconCount; i++) {
if (pgm_read_dword(&lemonIconCPs[i]) != cp) continue;
const GFXglyph* g = &lemonIconGlyphs[i];
uint8_t gw = pgm_read_byte(&g->width), gh = pgm_read_byte(&g->height);
int8_t xo = (int8_t)pgm_read_byte(&g->xOffset), yo = (int8_t)pgm_read_byte(&g->yOffset);
uint16_t bo = pgm_read_word(&g->bitmapOffset);
if (repackGlyphToXbm(lemonIconBitmaps, bo, gw, gh, glyphBuf, sizeof(glyphBuf)))
drawXbm(lx + xo, ly + 6 + yo, glyphBuf, gw, gh);
lx += pgm_read_byte(&g->xAdvance);
drawn = true;
break;
}
if (drawn) continue;
if (cp < MiscFixed.first || cp > MiscFixed.last) {
if (cp >= 0x20) fillRect(lx + 1, ly, 4, 6);
lx += 6;
continue;
}
const GFXglyph* g = &MiscFixedGlyphs[cp - MiscFixed.first];
uint8_t gw = pgm_read_byte(&g->width), gh = pgm_read_byte(&g->height);
int8_t xo = (int8_t)pgm_read_byte(&g->xOffset), yo = (int8_t)pgm_read_byte(&g->yOffset);
uint16_t bo = pgm_read_word(&g->bitmapOffset);
if (repackGlyphToXbm(MiscFixedBitmaps, bo, gw, gh, glyphBuf, sizeof(glyphBuf)))
drawXbm(lx + xo, ly + 7 + yo, glyphBuf, gw, gh);
lx += pgm_read_byte(&g->xAdvance);
}
#else
display.drawString(_x, _y, str);
#endif
}
void ST7789Display::printWordWrap(const char* str, int max_width) {
@@ -188,7 +274,14 @@ void ST7789Display::drawXbm(int x, int y, const uint8_t* bits, int w, int h) {
}
uint16_t ST7789Display::getTextWidth(const char* str) {
#ifdef OLED_MISC_FIXED_FONT
uint16_t w = 0;
const uint8_t* p = (const uint8_t*)str;
while (*p) w += glyphXAdvance(DisplayDriver::decodeCodepoint(p));
return w;
#else
return display.getStringWidth(str) / SCALE_X;
#endif
}
void ST7789Display::endFrame() {