diff options
| author | Christian Kolset <ckolset@colostate.edu> | 2026-08-06 11:20:32 -0600 |
|---|---|---|
| committer | Christian Kolset <ckolset@colostate.edu> | 2026-08-06 11:23:16 -0600 |
| commit | 66d69b65379826f9282515d4a227178c4d7e0597 (patch) | |
| tree | 116e55dc678d98cc833fb3e1def99abab9c82807 /api_layers/firmware/LabUI_firmware.ino | |
| parent | 36ea532b4f7f335bece90f2c56a129e20ebc94e6 (diff) | |
Firmware update.
- Renamed and moved arduino firmware into it's own sketch for arduino
compiling interface.
- Added esp32 firmware for stringpotentiometer.
Diffstat (limited to 'api_layers/firmware/LabUI_firmware.ino')
| -rw-r--r-- | api_layers/firmware/LabUI_firmware.ino | 218 |
1 files changed, 0 insertions, 218 deletions
diff --git a/api_layers/firmware/LabUI_firmware.ino b/api_layers/firmware/LabUI_firmware.ino deleted file mode 100644 index 8f1b252..0000000 --- a/api_layers/firmware/LabUI_firmware.ino +++ /dev/null @@ -1,218 +0,0 @@ -/* - * LabUI Arduino Firmware v1.1 - * ───────────────────────────────────────────────────────────────────────── - * Upload this sketch to your Arduino. - * Set baud rate to 115200 in both this sketch and LabUI. - * - * WHAT IT DOES - * Continuously streams analog + digital readings to the PC. - * Listens for commands from the PC and executes them. - * - * RECEIVED COMMANDS (PC → Arduino): - * W:D13:1 digitalWrite(13, HIGH) - * W:D6:0 digitalWrite(6, LOW) - * P:D9:128 analogWrite(9, 128) → ~50% PWM - * C:SETPOINT:75.0 store named parameter - * Q:A0 reply immediately with A0 reading - * R:ALL send full data frame immediately - * X:STOP set all outputs LOW - * X:RESET reset to defaults - * - * SENT DATA (Arduino → PC): - * A0:3.142,A1:0.015,D2:0,D3:1\n (every SEND_INTERVAL ms) - * ACK:W:D13:1\n (after each command) - * ERR:Unknown command\n (on parse failure) - * ───────────────────────────────────────────────────────────────────────── - */ - -// ── Configuration ───────────────────────────────────────────────────────── -int ANALOG_PINS[6] = {A0, A1, A2, A3, A4, A5}; // actual pin numbers (reconfigured by APIN:) -int ANALOG_IDX[6] = {0, 1, 2, 3, 4, 5}; // label indices used in output (A0, A1, …) -int DIGITAL_IN[16] = {2, 3, 4}; // reconfigured at runtime via DPIN:IN: -int DIGITAL_OUT[16] = {5, 6, 7, 9, 10, 11}; // reconfigured via DPIN:OUT: -int N_ANALOG = 0; // set by APIN: command (0 = inactive until configured by PC) -int N_DIG_IN = 0; // set by DPIN:IN: command (0 = inactive until configured) -int N_DIG_OUT = 0; // set by DPIN:OUT: command (0 = inactive until configured) -const int SEND_INTERVAL = 50; // ms between data frames (50 = 20 Hz) -const long BAUD_RATE = 115200; - -// ── Named parameters (set via C: commands) ────────────────────────────── -float param_setpoint = 0.0; -float param_kp = 1.0; -float param_ki = 0.0; -float param_kd = 0.0; -int param_mode = 0; - -unsigned long lastSend = 0; - -// ── Setup ───────────────────────────────────────────────────────────────── -void setup() { - Serial.begin(BAUD_RATE); - for (int i = 0; i < N_DIG_IN; i++) pinMode(DIGITAL_IN[i], INPUT_PULLUP); - for (int i = 0; i < N_DIG_OUT; i++) pinMode(DIGITAL_OUT[i], OUTPUT); -} - -// ── Main loop ───────────────────────────────────────────────────────────── -void loop() { - handleCommands(); - sendData(); -} - -// ── Command handler ─────────────────────────────────────────────────────── -void handleCommands() { - if (!Serial.available()) return; - - String cmd = Serial.readStringUntil('\n'); - cmd.trim(); - if (cmd.length() == 0) return; - - char type = cmd.charAt(0); - - // W:Dxx:val — digital write - if (type == 'W') { - int c1 = cmd.indexOf(':', 2); - if (c1 < 0) { Serial.println("ERR:Bad W format"); return; } - String pinStr = cmd.substring(2, c1); - int val = cmd.substring(c1 + 1).toInt(); - int pin = pinStr.substring(1).toInt(); // strip 'D' - digitalWrite(pin, val ? HIGH : LOW); - Serial.print("ACK:"); Serial.println(cmd); - } - - // P:Dxx:duty — PWM write (0-255) - else if (type == 'P') { - int c1 = cmd.indexOf(':', 2); - if (c1 < 0) { Serial.println("ERR:Bad P format"); return; } - int pin = cmd.substring(2, c1).substring(1).toInt(); - int duty = constrain(cmd.substring(c1 + 1).toInt(), 0, 255); - analogWrite(pin, duty); - Serial.print("ACK:"); Serial.println(cmd); - } - - // C:NAME:value — set named parameter - else if (type == 'C') { - int c1 = cmd.indexOf(':', 2); - int c2 = cmd.indexOf(':', c1 + 1); - if (c1 < 0 || c2 < 0) { Serial.println("ERR:Bad C format"); return; } - String name = cmd.substring(2, c1); - float val = cmd.substring(c2 + 1).toFloat(); - if (name == "SETPOINT") param_setpoint = val; - else if (name == "KP") param_kp = val; - else if (name == "KI") param_ki = val; - else if (name == "KD") param_kd = val; - else if (name == "MODE") param_mode = (int)val; - // Add your own parameters here: - // else if (name == "SPEED") motor_speed = val; - Serial.print("ACK:"); Serial.println(cmd); - } - - // Q:NAME — immediate query - else if (type == 'Q') { - String name = cmd.substring(2); - if (name == "SETPOINT") { Serial.print("SETPOINT:"); Serial.println(param_setpoint, 3); } - else if (name == "KP") { Serial.print("KP:"); Serial.println(param_kp, 4); } - else { - // Try to read as analog pin Q:A0 - if (name.charAt(0) == 'A') { - int pin = name.substring(1).toInt(); - float v = analogRead(pin) * (5.0 / 1023.0); - Serial.print(name); Serial.print(":"); Serial.println(v, 3); - } - } - } - - // R:ALL — send full frame immediately - else if (type == 'R') { - sendFrame(); - } - - // X:STOP / X:RESET — emergency stop - else if (type == 'X') { - String sub = cmd.substring(2); - for (int i = 0; i < N_DIG_OUT; i++) digitalWrite(DIGITAL_OUT[i], LOW); - Serial.print("ACK:"); Serial.println(cmd); - } - - // APIN:0,1,3 — reconfigure analog inputs at runtime (indices 0–5 into A0–A5) - else if (type == 'A') { - if (!cmd.startsWith("APIN:")) { Serial.println("ERR:Bad A command"); return; } - String pinList = cmd.substring(5); // "0,1,3" - const int _APINS[] = {A0,A1,A2,A3,A4,A5}; - N_ANALOG = 0; - int start = 0; - for (int i = 0; i <= (int)pinList.length(); i++) { - if (i == (int)pinList.length() || pinList[i] == ',') { - String tok = pinList.substring(start, i); tok.trim(); - if (tok.length() > 0 && N_ANALOG < 6) { - int idx = tok.toInt(); - if (idx >= 0 && idx < 6) { - ANALOG_PINS[N_ANALOG] = _APINS[idx]; - ANALOG_IDX[N_ANALOG] = idx; - N_ANALOG++; - } - } - start = i + 1; - } - } - Serial.print("ACK:"); Serial.println(cmd); - } - - // DPIN:IN:2,3,8 or DPIN:OUT:5,6,7 — reconfigure digital I/O pins at runtime - else if (type == 'D') { - int c1 = cmd.indexOf(':', 2); - int c2 = (c1 >= 0) ? cmd.indexOf(':', c1 + 1) : -1; - if (c1 < 0 || c2 < 0) { Serial.println("ERR:Bad DPIN format"); return; } - String dir = cmd.substring(2, c1); // "IN" or "OUT" - String pinList = cmd.substring(c2 + 1); // "2,3,8" - bool isIn = (dir == "IN"); - int* arr = isIn ? DIGITAL_IN : DIGITAL_OUT; - int* cnt = isIn ? &N_DIG_IN : &N_DIG_OUT; - int mode = isIn ? INPUT_PULLUP : OUTPUT; - *cnt = 0; - int start = 0; - for (int i = 0; i <= (int)pinList.length(); i++) { - if (i == (int)pinList.length() || pinList[i] == ',') { - String tok = pinList.substring(start, i); tok.trim(); - if (tok.length() > 0 && *cnt < 16) { - arr[*cnt] = tok.toInt(); - pinMode(arr[*cnt], mode); - (*cnt)++; - } - start = i + 1; - } - } - Serial.print("ACK:"); Serial.println(cmd); - } - - else { - Serial.print("ERR:Unknown command: "); Serial.println(cmd); - } -} - -// ── Data sender ─────────────────────────────────────────────────────────── -void sendData() { - if (millis() - lastSend < SEND_INTERVAL) return; - lastSend = millis(); - sendFrame(); -} - -void sendFrame() { - String out = ""; - bool first = true; - // Analog inputs — converted to 0.0–5.0 V - for (int i = 0; i < N_ANALOG; i++) { - float v = analogRead(ANALOG_PINS[i]) * (5.0 / 1023.0); - if (!first) out += ","; - out += "A" + String(ANALOG_IDX[i]) + ":" + String(v, 3); - first = false; - } - // Digital inputs (INPUT_PULLUP — invert so pressed=1) - // These share the same output line as analog — one line per frame. - for (int i = 0; i < N_DIG_IN; i++) { - if (!first) out += ","; - out += "D" + String(DIGITAL_IN[i]) + ":" + String(!digitalRead(DIGITAL_IN[i])); - first = false; - } - Serial.println(out); - // Example combined output: A0:3.142,D2:0,D3:1 -} |
