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fix uc8159 image transfer

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Shuanglei Tao
2025-10-14 21:29:01 +08:00
parent b53fa53389
commit 3ce8200c11
6 changed files with 51 additions and 14 deletions
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37
html/js/main.js
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@@ -162,6 +162,33 @@ async function sendcmd() {
await write(bytes[0], bytes.length > 1 ? bytes.slice(1) : null);
}
function convertUC8159(blackWhiteData, redWhiteData) {
const halfLength = blackWhiteData.length;
let payloadData = new Uint8Array(halfLength * 4);
let payloadIdx = 0;
let black_data, color_data, data;
for (let i = 0; i < halfLength; i++) {
black_data = blackWhiteData[i];
color_data = redWhiteData[i];
for (let j = 0; j < 8; j++) {
if ((color_data & 0x80) == 0x00) data = 0x04; // red
else if ((black_data & 0x80) == 0x00) data = 0x00; // black
else data = 0x03; // white
data = (data << 4) & 0xFF;
black_data = (black_data << 1) & 0xFF;
color_data = (color_data << 1) & 0xFF;
j++;
if ((color_data & 0x80) == 0x00) data |= 0x04; // red
else if ((black_data & 0x80) == 0x00) data |= 0x00; // black
else data |= 0x03; // white
black_data = (black_data << 1) & 0xFF;
color_data = (color_data << 1) & 0xFF;
payloadData[payloadIdx++] = data;
}
}
return payloadData;
}
async function sendimg() {
if (isCropMode()) {
alert("请先完成图片裁剪！发送已取消。");
@@ -193,8 +220,14 @@ async function sendimg() {
await writeImage(processedData, 'color');
} else if (ditherMode === 'threeColor') {
const halfLength = Math.floor(processedData.length / 2);
await writeImage(processedData.slice(0, halfLength), 'bw');
await writeImage(processedData.slice(halfLength), 'red');
const blackWhiteData = processedData.slice(0, halfLength);
const redWhiteData = processedData.slice(halfLength);
if (epdDriverSelect.value === '08' || epdDriverSelect.value === '09') {
await writeImage(convertUC8159(blackWhiteData, redWhiteData), 'bw');
} else {
await writeImage(blackWhiteData, 'bw');
await writeImage(redWhiteData, 'red');
}
} else if (ditherMode === 'blackWhiteColor') {
await writeImage(processedData, 'bw');
} else {