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default async function (req: Request): Promise {\n const cors = {\n \"Access-Control-Allow-Origin\": \"*\",\n \"Access-Control-Allow-Methods\": \"GET, POST, OPTIONS\",\n \"Access-Control-Allow-Headers\": \"Content-Type\",\n };\n if (req.method === \"OPTIONS\") {\n return new Response(null, { status: 204, headers: cors });\n }\n\n const url = new URL(req.url);\n const path = url.pathname;\n\n if (path === \"/data\" && req.method === \"GET\") {\n try {\n const DEVICE_ID = \"11300767\";\n const PASSWORD = \"1234567\";\n const BASE = \"https://mikasolar.com\";\n const res = await fetch(\n `${BASE}/api/raw-data/${DEVICE_ID}?password=${PASSWORD}`,\n );\n if (!res.ok) throw new Error(`HTTP ${res.status}`);\n const blocks = await res.json();\n const result: any = { cells: [], ts: Date.now() };\n\n for (const block of blocks) {\n const raw = Uint8Array.from(\n atob(block.reg_val),\n (c) => c.charCodeAt(0),\n );\n const dv = new DataView(raw.buffer);\n const s = block.reg_start;\n\n const u16 = (a: number) => {\n const p = a - s;\n return (p >= 0 && p + 2 <= raw.length) ? dv.getUint16(p, true) : null;\n };\n const i32 = (a: number) => {\n const p = a - s;\n return (p >= 0 && p + 4 <= raw.length) ? dv.getInt32(p, true) : null;\n };\n const u32 = (a: number) => {\n const p = a - s;\n return (p >= 0 && p + 4 <= raw.length) ? dv.getUint32(p, true) : null;\n };\n\n for (let i = 0; i < 16; i++) {\n const v = u16(306 + i * 2);\n if (v !== null) result.cells[i] = v;\n }\n\n const vRaw = u32(450);\n if (vRaw !== null) result.voltage_mV = vRaw;\n const cRaw = i32(458);\n if (cRaw !== null) result.current_mA = cRaw;\n const soc = u16(473);\n if (soc !== null) result.soc = soc & 0xFF;\n const mos = u16(444);\n if (mos !== null) result.mos_temp = mos * 0.1;\n const t1 = u16(462);\n if (t1 !== null) result.bat_t1 = t1 * 0.1;\n const t2 = u16(464);\n if (t2 !== null) result.bat_t2 = t2 * 0.1;\n const cap = u32(478);\n if (cap !== null) result.capacity_mAh = cap;\n const rem = i32(456);\n if (rem !== null) result.remain_mAh = rem;\n const cyc = u32(482);\n if (cyc !== null) result.cycle_count = cyc;\n const avg = u16(374);\n if (avg !== null) result.cell_avg_mV = avg;\n const dif = u16(376);\n if (dif !== null) result.cell_diff_mV = dif;\n const hlth = u16(490);\n if (hlth !== null) result.health = hlth;\n\n const chg = u32(118);\n result.charge = (chg !== null && chg > 0) ? \"ON\" : \"OFF\";\n const dch = u32(122);\n result.discharge = (dch !== null && dch > 0) ? \"ON\" : \"OFF\";\n const bal = u32(126);\n result.balance = (bal !== null && bal > 0) ? \"ON\" : \"OFF\";\n const flt = u16(282);\n result.float_charge = (flt !== null && flt > 0) ? \"ON\" : \"OFF\";\n\n const readSetting = (a: number, is32 = true) => {\n const v = is32 ? u32(a) : u16(a);\n return v !== null ? v * 0.001 : null;\n };\n if (s <= 18) {\n const v = readSetting(18);\n if (v !== null) result.cfg_cellovp = v;\n }\n if (s <= 22) {\n const v = readSetting(22);\n if (v !== null) result.cfg_cellovpr = v;\n }\n if (s <= 10) {\n const v = readSetting(10);\n if (v !== null) result.cfg_celluvp = v;\n }\n if (s <= 14) {\n const v = readSetting(14);\n if (v !== null) result.cfg_celluvpr = v;\n }\n if (s <= 46) {\n const v = readSetting(46);\n if (v !== null) result.cfg_poweroffvolt = v;\n }\n if (s <= 26) {\n const v = readSetting(26);\n if (v !== null) result.cfg_balancetrigvolt = v;\n }\n if (s <= 138) {\n const v = readSetting(138);\n if (v !== null) result.cfg_startbalancevolt = v;\n }\n if (s <= 130) {\n const v = readSetting(130);\n if (v !== null) result.cfg_batterycapacity = v;\n }\n if (s <= 50) {\n const v = readSetting(50);\n if (v !== null) result.cfg_maxchargecur = v;\n }\n if (s <= 62) {\n const v = readSetting(62);\n if (v !== null) result.cfg_maxdischargecur = v;\n }\n if (s <= 42) {\n const v = readSetting(42);\n if (v !== null) result.cfg_cellrfv = v;\n }\n if (s <= 38) {\n const v = readSetting(38);\n if (v !== null) result.cfg_cellrcv = v;\n }\n }\n\n return new Response(JSON.stringify({ ok: true, data: result }), {\n headers: { ...cors, \"Content-Type\": \"application/json\" },\n });\n } catch (e: any) {\n return new Response(JSON.stringify({ ok: false, error: e.message }), {\n status: 500,\n headers: { ...cors, \"Content-Type\": \"application/json\" },\n });\n }\n }\n\n if (path === \"/write\" && req.method === \"POST\") {\n try {\n const DEVICE_ID = \"11300767\";\n const PASSWORD = \"1234567\";\n const BASE = \"https://mikasolar.com\";\n const body = await req.json();\n const { register_name, register_value } = body;\n if (!register_name || register_value === undefined) {\n throw new Error(\"Missing fields\");\n }\n const res = await fetch(`${BASE}/api/write-register/${DEVICE_ID}`, {\n method: \"POST\",\n headers: { \"Content-Type\": \"application/json\" },\n body: JSON.stringify({\n device_model: \"JKV1\",\n register_name,\n register_value,\n password: PASSWORD,\n }),\n });\n const data = await res.json();\n return new Response(\n JSON.stringify({ ok: res.ok && data.success, data }),\n {\n headers: { ...cors, \"Content-Type\": \"application/json\" },\n },\n );\n } catch (e: any) {\n return new Response(JSON.stringify({ ok: false, error: e.message }), {\n status: 500,\n headers: { ...cors, \"Content-Type\": \"application/json\" },\n });\n }\n }\n\n return new Response(\"MikaSolar Proxy OK\", { headers: cors });\n}","const DEVICE_ID = \"11300767\";\nconst PASSWORD = \"1234567\";\nconst BASE = \"https://mikasolar.com\";\n\nexport default async function(req: Request): Promise {\n const cors = {\n \"Access-Control-Allow-Origin\": \"*\",\n \"Access-Control-Allow-Methods\": \"GET, POST, OPTIONS\",\n \"Access-Control-Allow-Headers\": \"Content-Type\",\n };\n if (req.method === \"OPTIONS\") return new Response(null, { status: 204, headers: cors });\n\n const path = new URL(req.url).pathname;\n if (path === \"/\") return new Response(\"MikaSolar Proxy OK\", { headers: cors });\n\n // ── GET /data ─────────────────────────────────────\n if (path === \"/data\" && req.method === \"GET\") {\n try {\n const res = await fetch(`${BASE}/api/raw-data/${DEVICE_ID}?password=${PASSWORD}`);\n if (!res.ok) throw new Error(`HTTP ${res.status}`);\n const blocks: any[] = await res.json();\n const result: any = { cells: [], ts: Date.now() };\n\n for (const block of blocks) {\n const raw = Uint8Array.from(atob(block.reg_val), c => c.charCodeAt(0));\n const dv = new DataView(raw.buffer);\n const s = block.reg_start;\n\n const u16 = (a: number) => { const p=a-s; return p>=0&&p+2<=raw.length ? dv.getUint16(p,true) : null; };\n const i32 = (a: number) => { const p=a-s; return p>=0&&p+4<=raw.length ? dv.getInt32(p,true) : null; };\n const u32 = (a: number) => { const p=a-s; return p>=0&&p+4<=raw.length ? dv.getUint32(p,true) : null; };\n\n // Cell voltages mV (addr 306-336)\n for (let i=0; i<16; i++) { const v=u16(306+i*2); if(v!==null) result.cells[i]=v; }\n\n const vRaw=u32(450); if(vRaw!==null) result.voltage_mV=vRaw;\n const cRaw=i32(458); if(cRaw!==null) result.current_mA=cRaw;\n const soc =u16(473); if(soc !==null) result.soc=soc&0xFF;\n const mos =u16(444); if(mos !==null) result.mos_temp=mos*0.1;\n const t1 =u16(462); if(t1 !==null) result.bat_t1=t1*0.1;\n const t2 =u16(464); if(t2 !==null) result.bat_t2=t2*0.1;\n const cap =u32(478); if(cap !==null) result.capacity_mAh=cap;\n const rem =i32(456); if(rem !==null) result.remain_mAh=rem;\n const cyc =u32(482); if(cyc !==null) result.cycle_count=cyc;\n const avg =u16(374); if(avg !==null) result.cell_avg_mV=avg;\n const dif =u16(376); if(dif !==null) result.cell_diff_mV=dif;\n const hlth=u16(490); if(hlth!==null) result.health=hlth;\n\n // Switches\n const chg =u32(118); if(chg !==null) result.charge = chg >0?\"ON\":\"OFF\";\n const dch =u32(122); if(dch !==null) result.discharge = dch >0?\"ON\":\"OFF\";\n const bal =u32(126); if(bal !==null) result.balance = bal >0?\"ON\":\"OFF\";\n const flt =u16(282); if(flt !==null) result.float_charge= flt>0?\"ON\":\"OFF\";\n\n // Settings (scale 0.001 -> real value)\n const readSetting = (a:number, is32=true) => {\n const v = is32 ? u32(a) : u16(a);\n return v !== null ? v * 0.001 : null;\n };\n if(s<=18) { const v=readSetting(18); if(v!==null) result.cfg_cellovp=v; }\n if(s<=22) { const v=readSetting(22); if(v!==null) result.cfg_cellovpr=v; }\n if(s<=10) { const v=readSetting(10); if(v!==null) result.cfg_celluvp=v; }\n if(s<=14) { const v=readSetting(14); if(v!==null) result.cfg_celluvpr=v; }\n if(s<=46) { const v=readSetting(46); if(v!==null) result.cfg_poweroffvolt=v; }\n if(s<=26) { const v=readSetting(26); if(v!==null) result.cfg_balancetrigvolt=v; }\n if(s<=138) { const v=readSetting(138); if(v!==null) result.cfg_startbalancevolt=v; }\n if(s<=130) { const v=readSetting(130); if(v!==null) result.cfg_batterycapacity=v; }\n if(s<=50) { const v=readSetting(50); if(v!==null) result.cfg_maxchargecur=v; }\n if(s<=62) { const v=readSetting(62); if(v!==null) result.cfg_maxdischargecur=v; }\n if(s<=42) { const v=readSetting(42); if(v!==null) result.cfg_cellrfv=v; }\n if(s<=38) { const v=readSetting(38); if(v!==null) result.cfg_cellrcv=v; }\n }\n\n return new Response(JSON.stringify({ ok:true, data:result }),\n { headers: { ...cors, \"Content-Type\":\"application/json\" } });\n } catch(e) {\n return new Response(JSON.stringify({ ok:false, error:String(e) }),\n { status:500, headers:{ ...cors, \"Content-Type\":\"application/json\" } });\n }\n }\n\n // ── POST /write ───────────────────────────────────\n if (path === \"/write\" && req.method === \"POST\") {\n try {\n const body = await req.json();\n const { register_name, register_value } = body;\n if (!register_name || register_value === undefined)\n throw new Error(\"Missing register_name or register_value\");\n\n const res = await fetch(`${BASE}/api/write-register/${DEVICE_ID}`, {\n method: \"POST\",\n headers: { \"Content-Type\":\"application/json\" },\n body: JSON.stringify({\n device_model: \"JKV1\",\n register_name,\n register_value,\n password: PASSWORD,\n }),\n });\n const data = await res.json();\n return new Response(JSON.stringify({ ok: res.ok && data.success, data }),\n { headers: { ...cors, \"Content-Type\":\"application/json\" } });\n } catch(e) {\n return new Response(JSON.stringify({ ok:false, error:String(e) }),\n { status:500, headers:{ ...cors, \"Content-Type\":\"application/json\" } });\n }\n }\n\n return new Response(\"Not found\", { status:404, headers:cors 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Diff · v18