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Add Rak 6421 autoconf

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This commit is contained in:
Jonathan Bennett
2025-12-17 23:03:42 -06:00
parent 5262233b2d
commit af2f2bbb19
2 changed files with 43 additions and 1 deletions
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11
bin/config.d/lora-hat-rak-6421-pi-hat.yaml Normal file
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@@ -0,0 +1,11 @@
Lora:
### RAK13300in Slot 1
Module: sx1262
IRQ: 22 #IO6
Reset: 16 # IO4
Busy: 24 # IO5
# Ant_sw: 13 # IO3
DIO3_TCXO_VOLTAGE: true
DIO2_AS_RF_SWITCH: true
spidev: spidev0.0

33
src/platform/portduino/PortduinoGlue.cpp
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@@ -6,6 +6,7 @@
#include "target_specific.h"
#include "PortduinoGlue.h"
#include "SHA256.h"
#include "api/ServerAPI.h"
#include "linux/gpio/LinuxGPIOPin.h"
#include "meshUtils.h"
@@ -270,7 +271,37 @@ void portduinoSetup()
}
std::cout << "autoconf: Found Pi HAT+ " << hat_vendor << " " << autoconf_product << " at /proc/device-tree/hat"
<< std::endl;
found_hat = true;
std::ifstream hatUUID("/proc/device-tree/hat/uuid");
char uuid[37] = {0};
if (hatUUID.is_open()) {
hatUUID.read(uuid, 37);
hatUUID.close();
std::cout << "autoconf: UUID " << uuid << std::endl;
SHA256 uuid_hash;
uint8_t uuid_hash_bytes[32] = {0};
uuid_hash.reset();
uuid_hash.update(uuid, 37);
uuid_hash.finalize(uuid_hash_bytes, 32);
for (int j = 0; j < 16; j++) {
portduino_config.device_id[j] = uuid_hash_bytes[j];
}
portduino_config.has_device_id = true;
uint8_t dmac[6] = {0};
dmac[0] = (uuid_hash_bytes[17] << 4) | 2;
dmac[1] = uuid_hash_bytes[18];
dmac[2] = uuid_hash_bytes[19];
dmac[3] = uuid_hash_bytes[20];
dmac[4] = uuid_hash_bytes[21];
dmac[5] = uuid_hash_bytes[22];
char macBuf[13] = {0};
sprintf(macBuf, "%02X%02X%02X%02X%02X%02X", dmac[0], dmac[1], dmac[2], dmac[3], dmac[4], dmac[5]);
portduino_config.mac_address = macBuf;
found_hat = true;
}
} else {
std::cout << "autoconf: Could not locate Pi HAT+ at /proc/device-tree/hat" << std::endl;
}