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https://github.com/Cateners/tiny_computer.git
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Update code to v1.0.14 (10)
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142
android/extern/wolfssl/IDE/iotsafe/main.c
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142
android/extern/wolfssl/IDE/iotsafe/main.c
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/* main.c
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*
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* Copyright (C) 2006-2022 wolfSSL Inc.
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*
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* This file is part of wolfSSL.
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*
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* wolfSSL is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* wolfSSL is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
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*/
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/* IoT-safe example
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* main for STM32L4
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*/
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#include <stdio.h>
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#include "devices.h"
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#include <wolfssl/wolfcrypt/settings.h>
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#include <wolfssl/ssl.h>
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#include <wolfssl/wolfcrypt/random.h>
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#include <wolfssl/wolfcrypt/port/iotsafe/iotsafe.h>
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#define STDIO USART2_BASE
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#define MODEM USART1_BASE
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#define RX_TIMEOUT 100
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extern volatile unsigned long jiffies;
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int usart1_read(char *buf, int len)
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{
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int i = 0;
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char c;
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int ret;
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volatile unsigned long start = jiffies;
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memset(buf, 0, len);
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do {
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ret = usart_rx(MODEM, &c);
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if (ret > 0) {
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buf[i++] = c;
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if (c == '\n') {
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return i;
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}
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} else {
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__asm__ volatile("wfi");
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}
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} while(((jiffies - start) < RX_TIMEOUT) && (i < len));
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if (i == 0) {
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return 0;
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}
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return i;
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}
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int usart1_write(const char *buf, int len)
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{
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int i = 0;
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do {
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usart_tx(MODEM, buf[i++]);
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} while(i < len);
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return len;
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}
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extern int memory_tls_test(void);
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void main(void)
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{
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uint32_t last_mark = 0;
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int i;
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uint8_t randombytes[16];
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int ret;
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char c;
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WC_RNG rng;
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clock_pll_on();
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systick_enable();
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if (usart_init(STDIO, 115200, 8, 'N', 1) < 0)
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while(1)
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;
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printf("wolfSSL IoT-SAFE demo\n");
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printf("Press a key to continue...\n");
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do {
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ret = usart_rx(STDIO, &c);
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} while (ret <= 0);
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printf("%c\n", c);
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printf("Initializing modem...\n");
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stmod_modem_enable();
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sleep_ms(1000);
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printf("System up and running\r\n");
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sleep_ms(1000);
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printf("Initializing wolfSSL...\n");
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wolfSSL_Init();
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wolfSSL_Debugging_ON();
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printf("Initializing modem port\n");
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if(usart_init(MODEM, 115200, 8, 'N', 1) < 0)
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while(1)
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;
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printf("Initializing IoTSafe I/O...\n");
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wolfIoTSafe_SetCSIM_read_cb(usart1_read);
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wolfIoTSafe_SetCSIM_write_cb(usart1_write);
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/* IoT-Safe system up and running. */
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printf("Initializing RNG...\n");
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wc_InitRng(&rng);
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printf("Getting RND...\n");
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wc_RNG_GenerateBlock(&rng, randombytes, 16);
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wc_FreeRng(&rng);
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printf("Random bytes: ");
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for (i = 0; i < 16; i++) {
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printf("%02X", randombytes[i]);
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}
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printf("\n");
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memory_tls_test();
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while(1) {
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if (usart_rx(STDIO, &c)) {
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usart_tx(MODEM, c);
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usart_tx(STDIO, c);
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}
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if (usart_rx(MODEM, &c)) {
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usart_tx(STDIO, c);
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}
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__asm__ volatile("wfi");
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}
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}
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