/* * Copyright (C) 2022, 2023 - Tillitis AB * SPDX-License-Identifier: GPL-2.0-only */ #include <stdint.h> #include <tkey/assert.h> #include <tkey/debug.h> #include <tkey/io.h> #include <tkey/led.h> #include <tkey/lib.h> #include <tkey/tk1_mem.h> #include "../testapp/syscall.h" #include "../tk1/proto.h" #include "../tk1/resetinfo.h" #include "../tk1/syscall_num.h" // Converts a single hex character to its integer value static uint8_t hex_char_to_byte(uint8_t c) { if (c >= '0' && c <= '9') return c - '0'; if (c >= 'A' && c <= 'F') return c - 'A' + 10; if (c >= 'a' && c <= 'f') return c - 'a' + 10; return 0; // Invalid character, should not happen if input is valid } // Converts a 64-char hex string into a 32-byte array int hex_string_to_bytes(uint8_t *hex_str, uint8_t *out_bytes, size_t out_len) { if (!hex_str || !out_bytes || out_len < 32) return -1; // Error handling for (size_t i = 0; i < 32; i++) { out_bytes[i] = (hex_char_to_byte(hex_str[i * 2]) << 4) | hex_char_to_byte(hex_str[i * 2 + 1]); } return 0; // Success } //--------------------------------------- #define BUFSIZE 32 int main(void) { uint8_t available = 0; uint8_t cmdbuf[BUFSIZE] = {0}; enum ioend endpoint = IO_NONE; led_set(LED_BLUE); struct reset rst = {0}; while (1) { puts(IO_CDC, "reset_test: Waiting for command\r\n"); memset(cmdbuf, 0, BUFSIZE); // Wait for data if (readselect(IO_CDC, &endpoint, &available) < 0) { assert(1 == 2); } if (read(IO_CDC, cmdbuf, BUFSIZE, available) < 0) { // read failed! I/O broken? Just redblink. assert(1 == 2); } led_set(LED_BLUE | LED_RED); switch (cmdbuf[0]) { case '1': rst.type = START_DEFAULT; syscall(TK1_SYSCALL_RESET, (uint32_t)&rst, 0, 0); break; case '2': rst.type = START_CLIENT; syscall(TK1_SYSCALL_RESET, (uint32_t)&rst, 0, 0); break; case '3': rst.type = START_FLASH1; syscall(TK1_SYSCALL_RESET, (uint32_t)&rst, 0, 0); break; case '4': { uint8_t string[] = "83da11b65f9c3721879bc4d9cffa6eac236" "8dcd9562aedde4002e6108ac939b3"; rst.type = START_CLIENT_VER; hex_string_to_bytes(string, (uint8_t *)&rst.app_digest, sizeof(rst.app_digest)); syscall(TK1_SYSCALL_RESET, (uint32_t)&rst, 0, 0); } break; case '5': { uint8_t string[] = "ef1337a922945fd87683b71ed275e02af44" "b3489057a29d14fd78daff8b73a28"; rst.type = START_CLIENT_VER; hex_string_to_bytes(string, (uint8_t *)&rst.app_digest, sizeof(rst.app_digest)); syscall(TK1_SYSCALL_RESET, (uint32_t)&rst, 0, 0); } break; default: break; } } }