From ce75bf4496fe8900dbe2d443cedef77c53e4fc5a Mon Sep 17 00:00:00 2001 From: Jonathan Bennett Date: Wed, 20 Aug 2025 14:18:20 -0500 Subject: [PATCH] Initial stab at rak6421 autoconf (#7691) * Initial stab at rak6421 autoconf * trunk * Add crc check to eeprom autoconf * Trunk again --- ...421.yaml => lora-RAK6421-13300-slot1.yaml} | 11 +-- bin/config.d/lora-RAK6421-13300-slot2.yaml | 8 ++ src/mesh/NodeDB.cpp | 6 +- src/platform/portduino/PortduinoGlue.cpp | 98 +++++++++++++++++-- src/platform/portduino/PortduinoGlue.h | 15 ++- 5 files changed, 113 insertions(+), 25 deletions(-) rename bin/config.d/{lora-RAK6421.yaml => lora-RAK6421-13300-slot1.yaml} (56%) create mode 100644 bin/config.d/lora-RAK6421-13300-slot2.yaml diff --git a/bin/config.d/lora-RAK6421.yaml b/bin/config.d/lora-RAK6421-13300-slot1.yaml similarity index 56% rename from bin/config.d/lora-RAK6421.yaml rename to bin/config.d/lora-RAK6421-13300-slot1.yaml index bbf38a474..6f65f9ccd 100644 --- a/bin/config.d/lora-RAK6421.yaml +++ b/bin/config.d/lora-RAK6421-13300-slot1.yaml @@ -9,13 +9,4 @@ Lora: DIO3_TCXO_VOLTAGE: true DIO2_AS_RF_SWITCH: true spidev: spidev0.0 - # CS: 8 - - - ### RAK13300in Slot 2 pins -# IRQ: 18 #IO6 -# Reset: 24 # IO4 -# Busy: 19 # IO5 -# # Ant_sw: 23 # IO3 -# spidev: spidev0.1 -# # CS: 7 \ No newline at end of file + # CS: 8 \ No newline at end of file diff --git a/bin/config.d/lora-RAK6421-13300-slot2.yaml b/bin/config.d/lora-RAK6421-13300-slot2.yaml new file mode 100644 index 000000000..cbc794d39 --- /dev/null +++ b/bin/config.d/lora-RAK6421-13300-slot2.yaml @@ -0,0 +1,8 @@ +Lora: + ### RAK13300in Slot 2 pins + IRQ: 18 #IO6 + Reset: 24 # IO4 + Busy: 19 # IO5 + # Ant_sw: 23 # IO3 + spidev: spidev0.1 + # CS: 7 \ No newline at end of file diff --git a/src/mesh/NodeDB.cpp b/src/mesh/NodeDB.cpp index 97a1e463c..18014eb02 100644 --- a/src/mesh/NodeDB.cpp +++ b/src/mesh/NodeDB.cpp @@ -225,7 +225,11 @@ NodeDB::NodeDB() memcpy(myNodeInfo.device_id.bytes + sizeof(device_id_start), &device_id_end, sizeof(device_id_end)); myNodeInfo.device_id.size = 16; // Uncomment below to print the device id - +#elif ARCH_PORTDUINO + if (portduino_config.has_device_id) { + memcpy(myNodeInfo.device_id.bytes, portduino_config.device_id, 16); + myNodeInfo.device_id.size = 16; + } #else // FIXME - implement for other platforms #endif diff --git a/src/platform/portduino/PortduinoGlue.cpp b/src/platform/portduino/PortduinoGlue.cpp index 3753c944c..929a45d09 100644 --- a/src/platform/portduino/PortduinoGlue.cpp +++ b/src/platform/portduino/PortduinoGlue.cpp @@ -10,6 +10,7 @@ #include "linux/gpio/LinuxGPIOPin.h" #include "meshUtils.h" #include "yaml-cpp/yaml.h" +#include #include #include #include @@ -253,16 +254,95 @@ void portduinoSetup() std::cout << "autoconf: Could not locate CH341 device" << std::endl; } // Try Pi HAT+ - std::cout << "autoconf: Looking for Pi HAT+..." << std::endl; - if (access("/proc/device-tree/hat/product", R_OK) == 0) { - std::ifstream hatProductFile("/proc/device-tree/hat/product"); - if (hatProductFile.is_open()) { - hatProductFile.read(autoconf_product, 95); - hatProductFile.close(); + if (strlen(autoconf_product) < 6) { + std::cout << "autoconf: Looking for Pi HAT+..." << std::endl; + if (access("/proc/device-tree/hat/product", R_OK) == 0) { + std::ifstream hatProductFile("/proc/device-tree/hat/product"); + if (hatProductFile.is_open()) { + hatProductFile.read(autoconf_product, 95); + hatProductFile.close(); + } + std::cout << "autoconf: Found Pi HAT+ " << autoconf_product << " at /proc/device-tree/hat/product" << std::endl; + } else { + std::cout << "autoconf: Could not locate Pi HAT+ at /proc/device-tree/hat/product" << std::endl; + } + } + // attempt to load autoconf data from an EEPROM on 0x50 + // RAK6421-13300-S1:aabbcc123456:5ba85807d92138b7519cfb60460573af:3061e8d8 + // :mac address :<16 random unique bytes in hexidecimal> : crc32 + // crc32 is calculated on the eeprom string up to but not including the final colon + if (strlen(autoconf_product) < 6) { + try { + char *mac_start = nullptr; + char *devID_start = nullptr; + char *crc32_start = nullptr; + Wire.begin(); + Wire.beginTransmission(0x50); + Wire.write(0x0); + Wire.write(0x0); + Wire.endTransmission(); + Wire.requestFrom((uint8_t)0x50, (uint8_t)75); + uint8_t i = 0; + delay(100); + std::string autoconf_raw; + while (Wire.available() && i < sizeof(autoconf_product)) { + autoconf_product[i] = Wire.read(); + if (autoconf_product[i] == 0xff) { + autoconf_product[i] = 0x0; + break; + } + autoconf_raw += autoconf_product[i]; + if (autoconf_product[i] == ':') { + autoconf_product[i] = 0x0; + if (mac_start == nullptr) { + mac_start = autoconf_product + i + 1; + } else if (devID_start == nullptr) { + devID_start = autoconf_product + i + 1; + } else if (crc32_start == nullptr) { + crc32_start = autoconf_product + i + 1; + } + } + i++; + } + if (crc32_start != nullptr && strlen(crc32_start) == 8) { + std::string crc32_str(crc32_start); + uint32_t crc32_value = 0; + + // convert crc32 ascii to raw uint32 + for (int j = 0; j < 4; j++) { + crc32_value += std::stoi(crc32_str.substr(j * 2, 2), nullptr, 16) << (3 - j) * 8; + } + std::cout << "autoconf: Found eeprom crc " << crc32_start << std::endl; + + // set the autoconf string to blank and short circuit + if (crc32_value != crc32Buffer(autoconf_raw.c_str(), i - 9)) { + std::cout << "autoconf: crc32 mismatch, dropping " << std::endl; + autoconf_product[0] = 0x0; + } else { + std::cout << "autoconf: Found eeprom data " << autoconf_raw << std::endl; + if (mac_start != nullptr) { + std::cout << "autoconf: Found mac data " << mac_start << std::endl; + if (strlen(mac_start) == 12) + settingsStrings[mac_address] = std::string(mac_start); + } + if (devID_start != nullptr) { + std::cout << "autoconf: Found deviceid data " << devID_start << std::endl; + if (strlen(devID_start) == 32) { + std::string devID_str(devID_start); + for (int j = 0; j < 16; j++) { + portduino_config.device_id[j] = std::stoi(devID_str.substr(j * 2, 2), nullptr, 16); + } + portduino_config.has_device_id = true; + } + } + } + } else { + std::cout << "autoconf: crc32 missing " << std::endl; + autoconf_product[0] = 0x0; + } + } catch (...) { + std::cout << "autoconf: Could not locate EEPROM" << std::endl; } - std::cout << "autoconf: Found Pi HAT+ " << autoconf_product << " at /proc/device-tree/hat/product" << std::endl; - } else { - std::cout << "autoconf: Could not locate Pi HAT+ at /proc/device-tree/hat/product" << std::endl; } // Load the config file based on the product string if (strlen(autoconf_product) > 0) { diff --git a/src/platform/portduino/PortduinoGlue.h b/src/platform/portduino/PortduinoGlue.h index 6e450c90e..8c36a1180 100644 --- a/src/platform/portduino/PortduinoGlue.h +++ b/src/platform/portduino/PortduinoGlue.h @@ -10,11 +10,14 @@ // Product strings for auto-configuration // {"PRODUCT_STRING", "CONFIG.YAML"} // YAML paths are relative to `meshtastic/available.d` -inline const std::unordered_map configProducts = {{"MESHTOAD", "lora-usb-meshtoad-e22.yaml"}, - {"MESHSTICK", "lora-meshstick-1262.yaml"}, - {"MESHADV-PI", "lora-MeshAdv-900M30S.yaml"}, - {"MeshAdv Mini", "lora-MeshAdv-Mini-900M22S.yaml"}, - {"POWERPI", "lora-MeshAdv-900M30S.yaml"}}; +inline const std::unordered_map configProducts = { + {"MESHTOAD", "lora-usb-meshtoad-e22.yaml"}, + {"MESHSTICK", "lora-meshstick-1262.yaml"}, + {"MESHADV-PI", "lora-MeshAdv-900M30S.yaml"}, + {"MeshAdv Mini", "lora-MeshAdv-Mini-900M22S.yaml"}, + {"POWERPI", "lora-MeshAdv-900M30S.yaml"}, + {"RAK6421-13300-S1", "lora-RAK6421-13300-slot1.yaml"}, + {"RAK6421-13300-S2", "lora-RAK6421-13300-slot2.yaml"}}; enum configNames { default_gpiochip, @@ -135,4 +138,6 @@ extern struct portduino_config_struct { uint32_t rfswitch_dio_pins[5] = {RADIOLIB_NC, RADIOLIB_NC, RADIOLIB_NC, RADIOLIB_NC, RADIOLIB_NC}; Module::RfSwitchMode_t rfswitch_table[8]; bool force_simradio = false; + bool has_device_id = false; + uint8_t device_id[16] = {0}; } portduino_config; \ No newline at end of file