cottongin/crosspoint-reader
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases 4 Wiki Activity

Add QR code of URL to File Transfer screen.

Browse Source
This commit is contained in:
Jonas Diemer 2025-12-23 13:48:21 +01:00
parent 34bb83866d
commit d45739b08b
1 changed files with 31 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

31
src/activities/network/CrossPointWebServerActivity.cpp
View File

@ -5,6 +5,8 @@
#include <GfxRenderer.h>
#include <InputManager.h>
#include <WiFi.h>
#include <cstdint>
#include <QrCode.h>
#include "NetworkModeSelectionActivity.h"
#include "WifiSelectionActivity.h"
@ -336,6 +338,29 @@ void CrossPointWebServerActivity::render() const {
}
}
void drawQRCode(GfxRenderer& renderer, const int x, const int y,
uint8_t* qrcodeBytes, const std::string& data, int size) {
// Implementation of QR code calculation
// The structure to manage the QR code
QRCode qrcode;
uint8_t qrcodeBytes[qrcode_getBufferSize(3)];
Serial.printf("QR Code:\n");
qrcode_initText(&qrcode, qrcodeBytes, 3, ECC_LOW, data.c_str());
const uint8_t px = 6; // pixels per module
for (uint8_t cy = 0; cy < qrcode.size; cy++) {
for (uint8_t cx = 0; cx < qrcode.size; cx++) {
if (qrcode_getModule(&qrcode, cx, cy)) {
// Serial.print("**");
renderer.fillRect(x + px*cx, y + px*cy, px, px, true);
} else {
// Serial.print(" ");
}
}
Serial.print("\n");
}
}
void CrossPointWebServerActivity::renderServerRunning() const {
const auto pageHeight = renderer.getScreenHeight();
@ -387,6 +412,12 @@ void CrossPointWebServerActivity::renderServerRunning() const {
renderer.drawCenteredText(SMALL_FONT_ID, startY + LINE_SPACING * 3, hostnameUrl.c_str(), true, REGULAR);
renderer.drawCenteredText(SMALL_FONT_ID, startY + LINE_SPACING * 4, "Open this URL in your browser", true, REGULAR);
// Show QR code for easy scanning
// array of pixels for QR code, version 3 = 29x29
drawQRCode(renderer, (480-6*29)/2, startY + LINE_SPACING * 6, qrcodeBytes, webInfo, webInfo.length());
renderer.drawCenteredText(SMALL_FONT_ID, startY + LINE_SPACING * 5, "or scan QR code with your phone:", true, REGULAR);
}
renderer.drawCenteredText(SMALL_FONT_ID, pageHeight - 30, "Press BACK to exit", true, REGULAR);