61 lines
1.5 KiB
C++
61 lines
1.5 KiB
C++
#include <Arduino.h>
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#include "target.h"
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#include <helpers/ArduinoHelpers.h>
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#ifdef USE_CC310_HW_CRYPTO
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#include <helpers/NRF52Crypto.h>
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#endif
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static bool target_radio_available = false;
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#ifdef DISPLAY_CLASS
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DISPLAY_CLASS display;
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MomentaryButton user_btn(PIN_USER_BTN, 1000, true, true);
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#endif
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XiaoNrf52Board board;
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RADIO_CLASS radio = new Module(P_LORA_NSS, P_LORA_DIO_1, P_LORA_RESET, P_LORA_BUSY, SPI);
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WRAPPER_CLASS radio_driver(radio, board);
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#ifdef DISABLE_I2C_RTC_SCAN
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VolatileRTCClock rtc_clock;
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#else
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VolatileRTCClock fallback_clock;
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AutoDiscoverRTCClock rtc_clock(fallback_clock);
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#endif
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EnvironmentSensorManager sensors;
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bool radio_init() {
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#ifndef DISABLE_I2C_RTC_SCAN
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rtc_clock.begin(Wire);
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#endif
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target_radio_available = radio.std_init(&SPI);
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return target_radio_available;
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}
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mesh::LocalIdentity radio_new_identity() {
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if (target_radio_available) {
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RadioNoiseListener rng(radio);
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return mesh::LocalIdentity(&rng);
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}
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// Recovery-mode identity creation must not access a failed/absent carrier.
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// Preserve the seeded PRNG and independent CryptoCell entropy used by RAK3401.
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class XiaoIdentityRNG : public mesh::RNG {
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public:
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void random(uint8_t* dest, size_t size) override {
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for (size_t i = 0; i < size; ++i) {
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dest[i] = static_cast<uint8_t>(::random(0, 256));
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mesh::serviceIdentityGenerationProgress();
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}
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#ifdef USE_CC310_HW_CRYPTO
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mesh::mixCC310Random(dest, size);
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#endif
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}
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} rng;
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return mesh::LocalIdentity(&rng);
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}
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