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A refactor.

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Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
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Pol Henarejos
2026-04-20 17:34:42 +02:00
parent fa07b59cc7
commit 26de18608f
64 changed files with 1067 additions and 917 deletions
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src/serial.c Normal file
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/*
* This file is part of the Pico Keys SDK distribution (https://github.com/polhenarejos/pico-keys-sdk).
* Copyright (c) 2022 Pol Henarejos.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, version 3.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "picokeys.h"
#include "serial.h"
#include "mbedtls/sha256.h"
#if defined(ESP_PLATFORM)
#include "esp_efuse.h"
#endif
char pico_serial_str[2 * PICO_UNIQUE_BOARD_ID_SIZE_BYTES + 1];
uint8_t pico_serial_hash[32];
picokey_serial_t pico_serial;
#ifdef ESP_PLATFORM
#define pico_get_unique_board_id(a) do { uint32_t value; esp_efuse_read_block(EFUSE_BLK1, &value, 0, 32); memcpy((uint8_t *)(a), &value, sizeof(uint32_t)); esp_efuse_read_block(EFUSE_BLK1, &value, 32, 32); memcpy((uint8_t *)(a)+4, &value, sizeof(uint32_t)); } while(0)
#else
#ifndef PICO_PLATFORM
#define pico_get_unique_board_id(a) memset(a, 0, sizeof(*(a)))
#endif
#endif
void serial_init(void) {
pico_get_unique_board_id(&pico_serial);
memset(pico_serial_str, 0, sizeof(pico_serial_str));
for (size_t i = 0; i < sizeof(pico_serial); i++) {
snprintf(&pico_serial_str[2 * i], 3, "%02X", pico_serial.id[i]);
}
mbedtls_sha256(pico_serial.id, sizeof(pico_serial.id), pico_serial_hash, false);
}