Add portduino_status, assign hardware device IDs... (#9441)

* Add portduino_status, assign hardware device IDs, and try to recover a CH341 device on a USB error

* Minor fixes suggested by Copilot

src/platform/portduino/PortduinoGlue.cpp

@@ -19,6 +19,7 @@
 #include <fstream>
 #include <iostream>
 #include <map>
+#include <stdexcept>
 #include <sys/ioctl.h>
 #include <unistd.h>
 
@@ -29,6 +30,7 @@
 #include "platform/portduino/USBHal.h"
 
 portduino_config_struct portduino_config;
+portduino_status_struct portduino_status;
 std::ofstream traceFile;
 std::ofstream JSONFile;
 Ch341Hal *ch341Hal = nullptr;
@@ -400,6 +402,11 @@ void portduinoSetup()
                 if (found_hat) {
                     product_config =
                         cleanupNameForAutoconf("lora-hat-" + std::string(hat_vendor) + "-" + autoconf_product + ".yaml");
+                    if (strncmp(hat_vendor, "RAK", strlen("RAK")) == 0 &&
+                        strncmp(autoconf_product, "6421 Pi Hat", strlen("6421 Pi Hat")) == 0) {
+                        std::cout << "autoconf: Setting hardwareModel to RAK6421" << std::endl;
+                        portduino_status.hardwareModel = meshtastic_HardwareModel_RAK6421;
+                    }
                 } else if (found_ch341) {
                     product_config = cleanupNameForAutoconf("lora-usb-" + std::string(autoconf_product) + ".yaml");
                     // look for more data after the null terminator
@@ -408,6 +415,10 @@ void portduinoSetup()
                         memcpy(portduino_config.device_id, autoconf_product + len + 1, 16);
                         if (!memfll(portduino_config.device_id, '\0', 16) && !memfll(portduino_config.device_id, 0xff, 16)) {
                             portduino_config.has_device_id = true;
+                            if (strncmp(autoconf_product, "MESHSTICK 1262", strlen("MESHSTICK 1262")) == 0) {
+                                std::cout << "autoconf: Setting hardwareModel to Meshstick 1262" << std::endl;
+                                portduino_status.hardwareModel = meshtastic_HardwareModel_MESHSTICK_1262;
+                            }
                         }
                     }
                 }

src/platform/portduino/PortduinoGlue.h

@@ -1,15 +1,22 @@
 #pragma once
 #include <fstream>
 #include <map>
+#include <unistd.h>
 #include <unordered_map>
 #include <vector>
 
 #include "LR11x0Interface.h"
 #include "Module.h"
 #include "mesh/generated/meshtastic/mesh.pb.h"
-#include "platform/portduino/USBHal.h"
 #include "yaml-cpp/yaml.h"
 
+extern struct portduino_status_struct {
+    bool LoRa_in_error = false;
+    _meshtastic_HardwareModel hardwareModel = meshtastic_HardwareModel_PORTDUINO;
+} portduino_status;
+
+#include "platform/portduino/USBHal.h"
+
 // Product strings for auto-configuration
 // {"PRODUCT_STRING", "CONFIG.YAML"}
 // YAML paths are relative to `meshtastic/available.d`

src/platform/portduino/USBHal.h

@@ -9,6 +9,8 @@
 #include <libpinedio-usb.h>
 #include <unistd.h>
 
+extern uint32_t rebootAtMsec;
+
 // include the library for Raspberry GPIO pins
 
 #define PI_RISING (PINEDIO_INT_MODE_RISING)
@@ -45,7 +47,7 @@ class Ch341Hal : public RadioLibHal
         int32_t ret = pinedio_init(&pinedio, NULL);
         if (ret != 0) {
             std::string s = "Could not open SPI: ";
-            throw(s + std::to_string(ret));
+            throw std::runtime_error(s + std::to_string(ret));
         }
 
         pinedio_set_option(&pinedio, PINEDIO_OPTION_AUTO_CS, 0);
@@ -74,30 +76,55 @@ class Ch341Hal : public RadioLibHal
     // RADIOLIB_NC as an alias for non-connected pins
     void pinMode(uint32_t pin, uint32_t mode) override
     {
+        if (checkError()) {
+            return;
+        }
         if (pin == RADIOLIB_NC) {
             return;
         }
-        pinedio_set_pin_mode(&pinedio, pin, mode);
+        auto res = pinedio_set_pin_mode(&pinedio, pin, mode);
+        if (res < 0 && rebootAtMsec == 0) {
+            LOG_ERROR("USBHal pinMode: Could not set pin %u mode to %u: %d", pin, mode, res);
+        }
     }
 
     void digitalWrite(uint32_t pin, uint32_t value) override
     {
+        if (checkError()) {
+            return;
+        }
         if (pin == RADIOLIB_NC) {
             return;
         }
-        pinedio_digital_write(&pinedio, pin, value);
+        auto res = pinedio_digital_write(&pinedio, pin, value);
+        if (res < 0 && rebootAtMsec == 0) {
+            LOG_ERROR("USBHal digitalWrite: Could not write pin %u: %d", pin, res);
+            portduino_status.LoRa_in_error = true;
+        }
     }
 
     uint32_t digitalRead(uint32_t pin) override
     {
+        if (checkError()) {
+            return 0;
+        }
         if (pin == RADIOLIB_NC) {
             return 0;
         }
-        return pinedio_digital_read(&pinedio, pin);
+        auto res = pinedio_digital_read(&pinedio, pin);
+        if (res < 0 && rebootAtMsec == 0) {
+            LOG_ERROR("USBHal digitalRead: Could not read pin %u: %d", pin, res);
+            portduino_status.LoRa_in_error = true;
+            return 0;
+        }
+        return res;
     }
 
     void attachInterrupt(uint32_t interruptNum, void (*interruptCb)(void), uint32_t mode) override
     {
+        if (checkError()) {
+            return;
+        }
         if (interruptNum == RADIOLIB_NC) {
             return;
         }
@@ -107,6 +134,9 @@ class Ch341Hal : public RadioLibHal
 
     void detachInterrupt(uint32_t interruptNum) override
     {
+        if (checkError()) {
+            return;
+        }
         if (interruptNum == RADIOLIB_NC) {
             return;
         }
@@ -152,6 +182,9 @@ class Ch341Hal : public RadioLibHal
 
     void spiTransfer(uint8_t *out, size_t len, uint8_t *in)
     {
+        if (checkError()) {
+            return;
+        }
         int32_t ret = pinedio_transceive(&this->pinedio, out, in, len);
         if (ret < 0) {
             std::cerr << "Could not perform SPI transfer: " << ret << std::endl;
@@ -160,9 +193,22 @@ class Ch341Hal : public RadioLibHal
 
     void spiEndTransaction() {}
     void spiEnd() {}
+    bool checkError()
+    {
+        if (pinedio.in_error) {
+            if (!has_warned)
+                LOG_ERROR("USBHal: libch341 in_error detected");
+            portduino_status.LoRa_in_error = true;
+            has_warned = true;
+            return true;
+        }
+        has_warned = false;
+        return false;
+    }
 
   private:
     pinedio_inst pinedio = {0};
+    bool has_warned = false;
 };
 
 #endif

src/platform/portduino/architecture.h

@@ -6,7 +6,7 @@
 // set HW_VENDOR
 //
 
-#define HW_VENDOR meshtastic_HardwareModel_PORTDUINO
+#define HW_VENDOR portduino_status.hardwareModel
 
 #ifndef HAS_BUTTON
 #define HAS_BUTTON 1