Seeder 0.2.5: "Sections on the seed drill" setting, 19 sections shown before the program talks

Firmware/simulator/README.md

@@ -29,7 +29,7 @@ One row per day, in short; the details are in the sections of this file (the lin
 
 | Date | What changed |
 |---|---|
-| 9 Nov 2026 | **Set up AgOpenWeb from your measures** (version 1.3): the turn clears the tractor's front corner, the drawbar meets the tyre at its height, every turn listed by headland, reasons behind arrows, legend per colour, fresh script ([the page](#set-up-agopenweb-from-your-measures)). |
+| 9 Nov 2026 | **Set up AgOpenWeb from your measures** 1.3: the turn clears the front corner, the drawbar meets the tyre, turns listed by headland, reasons behind arrows ([the page](#set-up-agopenweb-from-your-measures)). The seed drill page shows its 19 sections before the program talks. |
 | 8 Nov 2026 | **Set up AgOpenWeb from your measures**: a calculator that turns the tractor and implement measures into the U-turn, headland and tramline settings, with the reasons, a drawing, examples and drawbars kept off the rear tyres ([the page](#set-up-agopenweb-from-your-measures)). |
 | 7 Nov 2026 | The seed drill page's four tabs and Firmware tab checked, with a made-up newer `.bin` "on GitHub"; `firmware.json` lists the seed drill `.bin` once it is on `main`; the modules' names on the network ([How it is built](#how-it-is-built)). |
 | 4 Nov 2026 | The Teensy's clock and temperature, the receivers' and the TM171's temperatures and the XIAO's in the pretend modules' answers. |

Firmware/simulator/sim-seeder.js

@@ -8,7 +8,8 @@
 // The seed drill module's answers (zNet.ino: apiStatus, apiSettingsGet, apiWifiPost, apiScan, apiRelaysPost, apiRestartPost, the
 // program update on /api/update). The sections the program asks for come from the pretend tractor of sim-common.js, the
 // same the Teensy page's Machine tab shows: Renato's no-till seed drill, 19 sections on the Relay24_ESP32 board (24 relays,
-// relay 1 follows section 1 and so on), on the network cable. No pressure or flow sensor.
+// relay 1 follows section 1 and so on, "Sections on the seed drill" set to 19 on its Settings tab), on the network cable.
+// No pressure or flow sensor.
 // The own-network password is the module's default, agopengps.
 "use strict";
 (function () {
@@ -19,7 +20,7 @@ const AP = "Seeder-4E7C";                                       // from the ESP3
 // sta: on the tractor network (the cable); lost: was, until LOST_AT s (the cable unplugged); ap: the cable not plugged in
 const NET = S.opt.wifi, LOST_AT = 24;
 const X = S.load(KEY, () => ({t0: Date.now() - S.RUNNING * 1000, ap: AP, pass: "agopengps", staOn: false, sta: "", staPassSet: false,
- host: "seeder", subnet: "192.168.5", ipLast: 123, first: 1, secTop: 0, ev: [], evAt: -1}));
+ host: "seeder", subnet: "192.168.5", ipLast: 123, first: 1, secs: IMPL.sections, secTop: 0, ev: [], evAt: -1}));
 const T = () => (Date.now() - X.t0) / 1000;
 S.bar("No board behind this page: the values are made up. The own-network password is agopengps. Park the tractor to see the sections closed." +
  " The Relay24_ESP32 board is on the network cable: \"tractor network lost\" = the cable unplugged.",
@@ -70,8 +71,10 @@ function seeder() {
  return {req: req, on: on, kmh: sp.main ? M.tractor(Math.max(0, M.T())).kmh : 0};
 }
 
-// what relay i does (relayFn): with X.first, sections in a row from that one; else the program's pin config (sections 1-8)
-const relayFn = i => X.first ? (X.first + i <= 64 ? X.first + i : 0) : i < 8 ? i + 1 : 0;
+// what relay i does (relayFn): with X.first, sections in a row from that one; else the program's pin config (sections 1-8);
+// nothing past the seed drill's last section (X.secs; 0 = no limit)
+const top = () => X.secs || 64;
+const relayFn = i => X.first ? (X.first + i <= top() ? X.first + i : 0) : i < 8 && i + 1 <= top() ? i + 1 : 0;
 const hex = v => v.toString(16);                                    // sections as the module sends them (jsonHex)
 
 function status() {
@@ -89,11 +92,11 @@ function status() {
    tram: 0, geo: 0, uturn: link && tr.moving && !tr.straight ? 1 : 0, req: hex(sd.req), secTop: X.secTop, ago229: !many ? -1 : link ? 0 : silent,
    n239: Math.floor(talking() * 10), n229: many ? Math.floor(talking() * 10) : 0, nHello: Math.floor(talking()),
    crcErr: 0, invert: 0, hydEn: 0, raise: 2, lower: 4},
-  out: {bits: bits, on: hex(on), first: X.first, onHigh: true, fn: fn},
+  out: {bits: bits, on: hex(on), first: X.first, secs: X.secs, onHigh: true, fn: fn},
   log: X.ev.slice()};
 }
 const settings = () => ({apSsid: X.ap, staOn: X.staOn, staSsid: X.sta, staPassSet: X.staPassSet, host: X.host, eth: true, ipLast: X.ipLast,
- first: X.first, subnet: X.subnet});
+ first: X.first, secs: X.secs, subnet: X.subnet});
 const number = (v, lo, hi) => /^\d{1,5}$/.test(String(v)) && +v >= lo && +v <= hi;   // argNumber
 
 const printable = (v, lo, hi) => typeof v === "string" && v.length >= lo && v.length <= hi && /^[\x20-\x7E]*$/.test(v);
@@ -135,8 +138,11 @@ function scan() {
 function relaysPost(b) {
  if (b.pw !== X.pass) return S.err(403, "wrong password");
  if (!number(b.first, 0, 64)) return S.err(400, "first section: 0 to 64");
+ if (b.secs !== undefined && !number(b.secs, 0, 64)) return S.err(400, "sections: 0 to 64");
  X.first = +b.first;
- event(X.first ? "relays 1-" + RELAYS + " follow sections " + X.first + "-" + Math.min(64, X.first + RELAYS - 1) : "relays follow the program's pin config");
+ if (b.secs !== undefined) X.secs = +b.secs;
+ event(X.first ? "relays 1-" + RELAYS + " follow sections " + X.first + "-" + Math.min(top(), X.first + RELAYS - 1) : "relays follow the program's pin config");
+ if (X.secs) event("the seed drill has " + X.secs + " sections");
  return S.ok();
 }
 function restartPost(b) {

Firmware/simulator/smoke-test.js

@@ -300,7 +300,8 @@ async function teensy(browser, port, q, name) {
   await pg.close();
  }
  // the seed drill module's page: the Relay24_ESP32 on the network cable sowing a pass with 19 of its 24 relays (relay 1 =
- // section 1 and so on); Settings: the relays set back to the program's pin config (the password asked in a prompt);
+ // section 1 and so on, 19 sections set); Settings: the relays set back to the program's pin config (the password asked in a
+ // prompt);
  // Module: the search for Wi-Fi networks; Firmware: the program on GitHub (none until the .bin is on main), wrong files
  // refused, the report downloaded
  {
@@ -322,8 +323,10 @@ async function teensy(browser, port, q, name) {
   if (!(await pg.locator("#t-settings").isVisible())) fail.push(what + ": tab Settings does not show");
   if ((await pg.locator("#relays span").count()) !== 24) fail.push(what + ": expected the Relay24_ESP32's 24 relays");
   if ((await pg.locator("#relays span.on").count()) !== 19) fail.push(what + ": expected 19 relays on while sowing");
-  await expect(pg, what, "#relayNote", /^24 relays, 24 of them sections: relay 1 follows section 1/);
+  await expect(pg, what, "#relayNote", /^24 relays, 19 of them sections: relay 1 follows section 1/);
   await expect(pg, what, "#r18", /^19S19$/);
+  await expect(pg, what, "#r19", /^20–$/);
+  if ((await pg.locator("#drillSecs").inputValue()) !== "19") fail.push(what + ": the Settings tab should show 19 sections on the seed drill");
   await pg.fill("#first", "0");
   await pg.click("button[onclick='saveRelays()']"); await pg.waitForTimeout(1500);
   await expectSoon(pg, what, "#msgRelays", /done/);
@@ -554,6 +557,18 @@ async function teensy(browser, port, q, name) {
   await shot(pg, "seeder-lost");
   await pg.close();
  }
+ // the seed drill's module before the program ever talked (the cable not plugged in): the 19 sections set on the Settings
+ // tab show, not the 16 of the program's pin config
+ {
+  const what = "Seed drill page, cable unplugged";
+  const pg = await page(browser, "http://127.0.0.1:" + port + "/Boards/seeder/?wifi=ap", what);
+  await pg.waitForTimeout(2500);
+  await expect(pg, what, "#sub", /not on the tractor network · program silent/);
+  if ((await pg.locator("#secs span").count()) !== 19) fail.push(what + ": expected the 19 sections set, with the program silent");
+  if ((await pg.locator("#secs span.on, #secs span.req").count()) !== 0) fail.push(what + ": a section is open or asked for with the program silent");
+  await expect(pg, what, "#detail", /^0 of 19 open/);
+  await pg.close();
+ }
  // the sprayer's module that lost the tractor's Wi-Fi
  {
   const what = "Sprayer page, network lost";

Seeder/Seeder_ESP32/README.md

@@ -20,6 +20,7 @@ One row per day, in short; the details are in the sections of this file (the lin
 
 | Date | What changed |
 |---|---|
+| 9 Nov 2026 | **0.2.5**: *Sections on the seed drill* on the Settings tab: the Sowing tab shows them all before the program has asked for any (it showed 16), relays past them stay idle ([How it works](#how-it-works)). |
 | 7 Nov 2026 | **0.2.2**: add-on card (`_aowcard._tcp`) under its Wi-Fi name; `_aow-ui` and `/aow/status` gone. **0.2.3**: four tabs as the sprayer's ([How it works](#how-it-works)). **0.2.4**: Module tab: Module card, one Network settings card. Code shared with the sprayer marked ([Notes](#notes)). |
 | 2 Nov 2026 | **0.2.1**: the Wi-Fi settings on the page as on the XIAO page, with a search for networks ([Setup](#setup)). |
 | 28 Oct 2026 | **0.2**: runs on the [Relay24_ESP32](#hardware-relay24_esp32) board of this repository, now the default; the [KC868-A32](#hardware-kc868-a32) stays as a choice. |
@@ -46,6 +47,10 @@ Relay24_ESP32 (192.168.5.123) ──► DPDT relays 1–19 ──► 19 actuator
   KC868-A32). The page's *Relay 1 follows section* setting can start the row at another
   section; 0 there gives the relays back to the program's pin config, which only knows
   sections 1–16.
+- **Sections on the seed drill** (Settings tab, 19 for this one): the Sowing tab draws that
+  many sections from the start, before the program has asked for any (it used to draw 16 until
+  section 19 was asked for), and a relay past the last section does nothing. 0 = as many as
+  the program asks for.
 - No message from the program for **2 seconds** (cable pulled, tablet frozen): every
   relay drops and every row closes.
 - No pressure or flow sensor: no PGN 160 (that is the sprayer's).
@@ -138,6 +143,8 @@ other board.
    their widths. With more than 16 sections AgOpenWeb sends PGN 229 by itself, and the
    page shows *Sections 17-64 (PGN 229): now*. The actuators take a few seconds for their
    stroke, so set *Tool → Timing → Look ahead on / off* to that time.
+5. **Page, Settings tab**: *Sections on the seed drill* = 19 (and *Relay 1 follows section* = 1),
+   then *Save*: the Sowing tab shows the 19 sections even before AgOpenWeb has opened one.
 
 ## Wiring: Relay24_ESP32
 

Seeder/Seeder_ESP32/Seeder_ESP32.ino

@@ -62,7 +62,7 @@
 #include "dPage.h"
 
 #define FW_NAME             "Seeder_ESP32"
-#define FW_VERSION          "0.2.4"
+#define FW_VERSION          "0.2.5"
 
 // ---------------------------------------------------------------- board and pins
 // BOARD says which board this is (change the line below, or compile with -DBOARD=...):
@@ -143,6 +143,8 @@ struct Settings
     uint8_t subnet[3] = { 192, 168, 5 };    // the program's subnet (PGN 201); the module is <subnet>.<ipLast>
     uint8_t ipLast = 123;                   // 123 = the machine module; another number for a second module
     uint8_t firstSection = 1;               // relay 1 = this section, then in a row (0 = the program's pin config)
+    uint8_t numSections = 0;                // sections on the seed drill: the page shows that many, a relay past them does
+                                            // nothing (0 = as many as the program asks for)
     String  apSsid, apPass;                 // the module's own Wi-Fi network
     bool    staOn = false;                  // the tractor's Wi-Fi network instead of the network cable
     String  staSsid, staPass;

Seeder/Seeder_ESP32/dPage.h

@@ -103,6 +103,7 @@ a{color:var(--acc)}
 <div class="secs rl" id="relays"></div>
 <p class="note" id="relayNote">What each relay does comes from the program (Tool → Machine → Pin config).</p>
 <div class="field"><span>Relay 1 follows section (the next relays the next sections). 0 = what the program's pin config says (sections 1-16 only)</span><input type="number" id="first" min="0" max="64" step="1"></div>
+<div class="field"><span>Sections on the seed drill: the Sowing tab shows that many, a relay past them does nothing. 0 = as many as the program asks for</span><input type="number" id="drillSecs" min="0" max="64" step="1"></div>
 <div class="row"><button class="act" onclick="saveRelays()">Save</button></div>
 <div class="msg" id="msgRelays"></div>
 <p class="note">A seed drill with more than 16 sections needs the relays in a row from section 1: AgOpenWeb's pin config only knows sections 1-16, and sends sections 17-64 in PGN 229.</p>
@@ -229,10 +230,11 @@ async function refresh(){
     const r=await fetch('/api/status',{cache:'no-store'});const d=await r.json();
     $('dot').className='dot'+(d.aog.link?' on':'');
     $('sub').textContent=(d.wifi.up?'on '+(d.wifi.staUp?d.wifi.sta:'the cable')+' as '+d.wifi.ip:'not on the tractor network')+(d.aog.link?' · program talking':' · program silent');
-    // Sowing tab: as many sections as the program has asked for (secTop), at least those the relays follow (up to 16)
+    // Sowing tab: the sections set on the Settings tab (secs), else as many as the program has asked for (secTop), at
+    // least those the relays follow (up to 16)
     $('silent').hidden=d.aog.link;
     let mapped=0,nSec=0;for(const f of d.out.fn)if(f>=1&&f<=64){nSec++;mapped=Math.max(mapped,f)}
-    const n=Math.max(8,d.aog.secTop||0,Math.min(16,mapped));
+    const n=Math.max(8,d.out.secs||0,d.aog.secTop||0,Math.min(16,mapped));
     if(nSecs!==n){nSecs=n;$('secs').innerHTML=cells('s',n,0);$('secs').style.gridTemplateColumns='repeat('+Math.min(n,8)+',1fr)'}
     let open=0;
     for(let i=0;i<nSecs;i++){const e=$('s'+i),on=bit(d.out.on,i);if(on)open++;e.className=(on?'on':'')+(bit(d.aog.req,i)&&!on?' req':'')}
@@ -267,7 +269,7 @@ async function refresh(){
 async function loadSettings(){
   const d=await (await fetch('/api/settings',{cache:'no-store'})).json();
   $('apSsid').value=d.apSsid;$('staOn').checked=d.staOn;$('staSsid').value=d.staSsid;$('host').value=d.host;$('subnetIn').value=d.subnet;
-  $('hostShow').textContent=d.host;$('ipLast').value=d.ipLast||123;$('first').value=d.first||0;
+  $('hostShow').textContent=d.host;$('ipLast').value=d.ipLast||123;$('first').value=d.first||0;$('drillSecs').value=d.secs||0;
   $('apPass').value='';$('staPass').value='';$('staPass').placeholder=d.staPassSet?'(saved)':'';
 }
 async function post(url,fields,msgId,pass){
@@ -306,7 +308,7 @@ async function scanNets(){const m=$('scanMsg'),b=$('scan');m.textContent='search
       await new Promise(r=>setTimeout(r,800))}
     m.textContent='no answer'}
   finally{b.disabled=false}}
-function saveRelays(){post('/api/relays',{first:$('first').value},'msgRelays')}
+function saveRelays(){post('/api/relays',{first:$('first').value,secs:$('drillSecs').value},'msgRelays')}
 // the report for an analysis: every answer of the module in one .json file, downloaded by this browser
 async function report(){
   const b=$('dumpBtn'),m=$('dumpMsg');b.disabled=true;m.className='note';m.textContent='Gathering…';

Seeder/Seeder_ESP32/zNet.ino

@@ -210,6 +210,7 @@ static void apiStatus()
     j += ",\"raise\":" + String(cfg.raiseTime) + ",\"lower\":" + String(cfg.lowerTime) + "}";
 
     j += ",\"out\":{\"bits\":" + String(relayBits) + ",\"on\":" + jsonHex(sectionsOn) + ",\"first\":" + String(cfg.firstSection);
+    j += ",\"secs\":" + String(cfg.numSections);
     j += ",\"onHigh\":" + String(RELAY_ON_HIGH ? "true" : "false") + ",\"fn\":[";
     for (uint8_t i = 0; i < NUM_RELAYS; i++) { if (i) j += ","; j += String(relayFn(i)); }
     j += "]}";
@@ -235,6 +236,7 @@ static void apiSettingsGet()
     String j = "{\"apSsid\":" + jsonStr(cfg.apSsid) + ",\"staOn\":" + String(cfg.staOn ? "true" : "false");
     j += ",\"staSsid\":" + jsonStr(cfg.staSsid) + ",\"staPassSet\":" + String(cfg.staPass.length() ? "true" : "false");
     j += ",\"host\":" + jsonStr(cfg.host) + ",\"eth\":true,\"ipLast\":" + String(cfg.ipLast) + ",\"first\":" + String(cfg.firstSection);
+    j += ",\"secs\":" + String(cfg.numSections);
     j += ",\"subnet\":\"" + String(cfg.subnet[0]) + "." + String(cfg.subnet[1]) + "." + String(cfg.subnet[2]) + "\"}";
     sendJson(j);
 }
@@ -319,16 +321,21 @@ static void apiScan()
 }
 // ==== end shared "network-settings-post"
 
-// Relay 1 follows section "first", the next relays the next sections (0 = the program's pin config)
+// Relay 1 follows section "first", the next relays the next sections (0 = the program's pin config); the seed drill has
+// "secs" sections (0 = as many as the program asks for)
 static void apiRelaysPost()
 {
     if (!passwordOk()) return;
-    long first = 0;
+    long first = 0, secs = cfg.numSections;
     if (!argNumber("first", 0, MAX_SECTIONS, first)) { sendError(400, "first section: 0 to 64"); return; }
+    if (server.hasArg("secs") && !argNumber("secs", 0, MAX_SECTIONS, secs)) { sendError(400, "sections: 0 to 64"); return; }
     cfg.firstSection = first;
+    cfg.numSections = secs;
     settingsSave();
-    if (first) logEvent("relays 1-%u follow sections %ld-%ld", (unsigned)NUM_RELAYS, first, min((long)MAX_SECTIONS, first + NUM_RELAYS - 1));
+    const long top = secs ? secs : MAX_SECTIONS;
+    if (first) logEvent("relays 1-%u follow sections %ld-%ld", (unsigned)NUM_RELAYS, first, min(top, first + NUM_RELAYS - 1));
     else logEvent("relays follow the program's pin config");
+    if (secs) logEvent("the seed drill has %ld sections", secs);
     applyOutputs();
     sendJson("{\"ok\":true}");
 }

Seeder/Seeder_ESP32/zOutputs.ino

@@ -12,6 +12,8 @@
 //     (the 19-section seed drill has more sections than the program's pin config knows).
 //   - cfg.firstSection 0: what the program gives each relay (PGN 236, kept in cfg.pin): sections 1-16 and
 //     the other functions, for the first 24 relays.
+//   - cfg.numSections 1-64: the seed drill has that many sections, so a relay that would follow a section past
+//     them does nothing (0: no limit). The page draws that many sections before the program has asked for any.
 // Everything is off while the program is silent.
 //
 // RELAY_ON_HIGH (Seeder_ESP32.ino) says how the board's relays close: on a HIGH 74HC595 output on the
@@ -36,15 +38,16 @@ static uint8_t raiseTimer = 0, lowerTimer = 0, lastTrigger = 0;
 // tramline right, tramline left, geo stop
 uint8_t relayFn(uint8_t i)
 {
+    const uint8_t top = cfg.numSections ? cfg.numSections : MAX_SECTIONS;   // the last section the drill has
     if (cfg.firstSection)
     {
         const uint16_t s = cfg.firstSection + i;
-        return s <= MAX_SECTIONS ? s : 0;
+        return s <= top ? s : 0;
     }
     if (i >= 24) return 0;
     const uint8_t p = cfg.pin[i];
     if (p >= PIN_HYD_LOWER && p <= PIN_GEO_STOP) return FN_OTHER + (p - PIN_HYD_LOWER + 1);
-    return p <= 16 ? p : 0;
+    return p <= 16 && p <= top ? p : 0;
 }
 
 #if BOARD == BOARD_RELAY24