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New Lantiq tool for reading and writing the EEPROM (#147)
* use vue * update tool for edit the EEPROM for rooted * new tool for read the EEPROM for all lantiq
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‎_ont/ont-huawei-ma5671a-rooted.md‎

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## Web procedure
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1. Get `sfp_a2_info` and paste into the form
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<form id="huawei-rooted">
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<div class="form-floating mb-3">
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<input type="text" class="form-control" placeholder="sfp_a2_info input" name="sfp-a2-info" id="sfp-a2-info" >
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<label for="sfp-a2-info">sfp_a2_info input</label>
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</div>
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<div class="form-floating mb-3">
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<input type="text" class="form-control" placeholder="GPON S/N" name="gpon-sn" id="gpon-sn" value="" pattern="([A-Z]{4}[0-9A-Za-z]{8})|([0-9A-F]{8}[0-9A-Za-z]{8})">
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<label for="gpon-sn">GPON S/N in format GPON12345678 or 47504F4E12345678, empty for not modify it</label>
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</div>
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<div class="form-floating mb-3">
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<input type="text" class="form-control" placeholder="GPON Ploam Password" name="gpon-password" id="gpon-password" value="" maxlength="22">
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<label for="gpon-password">GPON S/N in format 1234567890, 31323334353637383930 or 0x31323334353637383930, empty for not modify it</label>
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</div>
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<div class="form-floating mb-3">
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<input type="text" class="form-control" placeholder="MAC address" name="mac-addr" id="mac-addr" value="" pattern="[0-9A-Fa-f]{2}[:-]?[0-9A-Fa-f]{2}[:-]?[0-9A-Fa-f]{2}[:-]?[0-9A-Fa-f]{2}[:-]?[0-9A-Fa-f]{2}[:-]?[0-9A-Fa-f]{2}">
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<label for="mac-addr">MAC Address in format 48:57:02:da:be:ef, 48-57-02-da-be-ef or 485702dabeef, empty for not modify it</label>
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</div>
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<div class="mb-3">
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<input type="submit" class="btn btn-primary" value="Calculate!">
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</div>
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<div class="form-floating mb-3">
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<input readonly class="form-control" type="text" id="result" placeholder="sfp_a2_info result">
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<label for="result">sfp_a2_info result</label>
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</div>
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</form>
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<script>
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var form = document.getElementById('huawei-rooted');
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form.addEventListener('submit',(event) => {
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event.preventDefault();
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var fomrdata = new FormData(form);
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var sfp_a2_info = fomrdata.get('sfp-a2-info');
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var sfp_a2_info_arr = sfp_a2_info.split('@');
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if(sfp_a2_info_arr.length > 10 && sfp_a2_info_arr[0] === 'begin-base64 644 sfp_a2_info ') {
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var gpon_sn = fomrdata.get('gpon-sn');
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if(gpon_sn.length == 12) {
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var vendor_id = gpon_sn.substring(0, 4);
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var progressive = gpon_sn.substring(4);
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var vendor_id_hex = ([...vendor_id].map((elem, n) => Number(vendor_id.charCodeAt(n)).toString(16)).join(''));
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gpon_sn = vendor_id_hex+progressive;
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}
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if(gpon_sn.length == 16) {
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var hex = base64ToHex(sfp_a2_info_arr[6]);
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hex = hex.substring(0,16) + gpon_sn + hex.substring(32);
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sfp_a2_info_arr[6] = hexToBase64(hex);
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}
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var gpon_password = fomrdata.get('gpon-password');
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if(gpon_password.length > 0) {
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if(gpon_password.length <= 10) {
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gpon_password = ([...gpon_password].map((elem, n) => Number(gpon_password.charCodeAt(n)).toString(16)).join(''));
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gpon_password += '0'.repeat(20-gpon_password.length);
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}
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else if(gpon_password.length == 22 && gpon_password.substring(0,2) === '0x') {
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gpon_password = gpon_password.substring(3);
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}
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if(gpon_password.length == 20) {
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var hex = base64ToHex(sfp_a2_info_arr[5]);
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hex = hex.substring(0,22) + gpon_password + hex.substring(42);
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sfp_a2_info_arr[5] = hexToBase64(hex);
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}
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}
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var mac_addr = fomrdata.get('mac-addr');
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if(mac_addr.length == 17) {
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mac_addr = mac_addr.replace('-','');
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mac_addr = mac_addr.replace(':','');
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}
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if(mac_addr.length == 12) {
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var hex = base64ToHex(sfp_a2_info_arr[9]);
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hex = hex.substring(0,48) + mac_addr + hex.substring(61);
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sfp_a2_info_arr[9] = hexToBase64(hex);
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}
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document.getElementById('result').value = sfp_a2_info_arr.join('@');
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} else {
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document.getElementById('result').value = 'sfp_a2_info variable in wrong format!';
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}
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});
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function hexToBase64(hexStr) {
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return btoa([...hexStr].reduce((acc, _, i) => acc += !(i - 1 & 1) ? String.fromCharCode(parseInt(hexStr.substring(i - 1, i + 1), 16)) : '', ''));
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}
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function base64ToHex(base64Value) {
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return [...atob(base64Value)].map(c=> c.charCodeAt(0).toString(16).padStart(2,0)).join('');
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}
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</script>
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1. Get `fw_printenv sfp_a2_info` and paste into the form
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<div id="app">
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<vue-lantiq-eeprom type='eeprom-rooted-edit'></vue-lantiq-eeprom>
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</div>
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<script src="https://unpkg.com/vue@latest"></script>
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<script src="https://cdn.jsdelivr.net/npm/vue3-sfc-loader"></script>
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<script src="/assets/js/vue-eeprom.js"></script>
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{% include alert.html content="Executing these commands requires a minimum of familiarity with `vim`. If you do not know `vim`, follow the commands precisely." alert="Danger" icon="svg-warning" color="red" %}
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{:style="counter-reset:none"}
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2. Transfer modified file back into variable `sfp_a2_info`, replace `<output>` with the output of web form.
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1. Copy the script's output to the clipboard
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1. Run the comman `vim /tmp/sfp_a2.txt` in the stick
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1. Press the right mouse button in the terminal or `CTRL`+`V`
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1. Press `ESC` command from keyboard
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1. Type `:wq`
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1. Run:
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```shell
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fw_setenv sfp_a2_info "<output>"
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fw_setenv sfp_a2_info ($cat /tmp/sfp_a2.txt)
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```
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## Temporary file procedure

‎_tools/ont-lantiq-print-eeprom.md‎

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---
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title: Lantiq Print EEPROM
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has_children: false
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layout: default
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---
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1. Get `sfp_a0_low_128` or `sfp_a2_info` and paste into the form
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<div id="app">
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<vue-lantiq-eeprom type='eeprom-print'></vue-lantiq-eeprom>
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</div>
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<script src="https://unpkg.com/vue@latest"></script>
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<script src="https://cdn.jsdelivr.net/npm/vue3-sfc-loader"></script>
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<script src="/assets/js/vue-eeprom.js"></script>
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{% include alert.html content="For more information, see the SFF-8472 Rev 10.2 specification." alert="Info" icon="svg-info" color="blue" %}

‎assets/js/vue-eeprom.js‎

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const { createApp } = Vue;
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const { loadModule } = window['vue3-sfc-loader'];
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const options = {
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moduleCache: {
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vue: Vue,
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},
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getFile(url) {
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return fetch(url).then((resp) =>
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resp.ok ? resp.text() : Promise.reject(resp)
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);
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},
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addStyle(styleStr) {
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const style = document.createElement('style');
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style.textContent = styleStr;
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const ref = document.head.getElementsByTagName('style')[0] || null;
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document.head.insertBefore(style, ref);
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},
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log(type, ...args) {
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console.log(type, ...args);
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},
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};
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const app = createApp({
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components: {
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VueLantiqEeprom: Vue.defineAsyncComponent(() =>
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loadModule('/assets/js/vue/vue-lantiq-eeprom.vue', options)
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),
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},
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}).mount('#app');

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