int main(void) {
board_init(BOARD_MODE_RUN);
board_console_init(BOARD_DEBUG_BAUD);
SysTick_Config(BOARD_SYSTICK_100MS / 10);
// Initialize modem
modem_init();
if (!modem_enable()) error("modem enable");
if (!modem_register(60000)) error("network register");
if (!modem_gprs_attach(CELL_APN, CELL_USER, CELL_PWD, 30000)) error("GPRS attach");
double lat = 0.0, lon = 0.0;
rtc_datetime_t date;
modem_location(&lat, &lon, &date, 30000);
PRINTF("%04hd-%02hd-%02hd %02hd:%02hd:%02hd\r\n",
date.year, date.month, date.day, date.hour, date.minute, date.second);
PRINTF("Location: lat=%f, lon=%f\r\n", lat, lon);
if (!modem_tcp_connect("api.ubirch.com", 80, 5000)) error("TCP connect");
const char *send_data = "GET / HTTP/1.1\r\n\r\n";
if (!modem_tcp_send((const uint8_t *) send_data, (uint8_t) strlen(send_data), 30000))
error("simulated HTTP GET");
uint8_t buffer[8192];
size_t received = modem_tcp_receive(buffer, 1500, 10000);
PRINTF("received %d bytes\r\n", received);
dbg_dump("RCV", buffer, received);
modem_tcp_close(1000);
modem_disable();
while (true) {
delay(1000);
}
}
int main(void) {
board_init();
board_console_init(BOARD_DEBUG_BAUD);
SysTick_Config(BOARD_SYSTICK_100MS);
while (true) {
i2c_init(&i2c_config);
for (uint8_t address = 0x01; address <= 0x7f; address++) {
PRINTF("Scanning for device 0x%02x: \e[K", address);
status_t status = i2c_ping(address);
switch (status) {
case kStatus_Success:
PRINTF("FOUND\r\n");
break;
case kStatus_I2C_Nak:
PRINTF("NOT FOUND\r");
break;
case kStatus_I2C_ArbitrationLost:
PRINTF("ARBITRATION LOST\r\n");
break;
case kStatus_I2C_Busy:
PRINTF("BUSY\r\n");
break;
case kStatus_I2C_Idle:
PRINTF("IDLE\r\n");
break;
case kStatus_I2C_Timeout:
PRINTF("TIMEOUT\r\n");
break;
default:
PRINTF("ERROR %0d\r", status);
break;
}
delay(100);
}
i2c_deinit();
}
}
int main(void) {
board_init();
board_console_init(BOARD_DEBUG_BAUD);
SysTick_Config(BOARD_SYSTICK_100MS);
PRINTF("ubirch #1 r0.2 RSA/ECC encryption/signature benchmark\r\n");
if (init_ltc() != 0) PRINTF("No LTC, may crash\r\n");
if (init_trng() != 0) error("failed to initialize TRNG");
if (init_board_key(2048) != 0) error("failed to generate key pair");
if (init_recipient_public_key(recipient_pubkey, recipient_pubkey_length))
error("failed to load recipient public key");
byte cipher[256]; // 256 bytes is large enough to store 2048 bit RSA ciphertext
word32 plaintextLength = strlen(plaintext);
word32 cipherLength = sizeof(cipher);
PRINTF("- signing message with board private key\r\n");
uint32_t total = 0;
int signatureLength = 0;
byte *signature = NULL;
for (int i = 0; i < BENCHMARK_LOOPS; i++) {
const uint32_t start = timer_read();
signatureLength = wc_SignatureGetSize(WC_SIGNATURE_TYPE_RSA, &board_rsa_key, sizeof(board_rsa_key));
signature = malloc((size_t) signatureLength);
if (wc_SignatureGenerate(
WC_HASH_TYPE_SHA256, WC_SIGNATURE_TYPE_RSA,
(const byte *) plaintext, plaintextLength,
signature, (word32 *) &signatureLength,
&board_rsa_key, sizeof(board_rsa_key),
&rng) != 0)
error("failed to sign plain text message");
const uint32_t elapsed = timer_read() - start;
total += elapsed;
char loop_str[64];
sprintf(loop_str, "%d", i);
timestamp(loop_str, elapsed);
}
timestamp("Average:", total / BENCHMARK_LOOPS);
PRINTF("-- SIGNATURE\r\n");
PRINTF("- encrypting message\r\n");
total = 0;
int r = -1;
for (int i = 0; i < BENCHMARK_LOOPS; i++) {
const uint32_t start = timer_read();
r = wc_RsaPublicEncrypt((const byte *) plaintext, plaintextLength, cipher, cipherLength, &recipient_public_key,
&rng);
if (r < 0) error("failed to encrypt message");
const uint32_t elapsed = timer_read() - start;
total += elapsed;
char loop_str[64];
sprintf(loop_str, "%d", i);
timestamp(loop_str, elapsed);
}
timestamp("Average:", total / BENCHMARK_LOOPS);
PRINTF("-- CIPHER (%d bytes)\r\n", r);
wc_FreeRsaKey(&board_rsa_key);
wc_FreeRsaKey(&recipient_public_key);
PRINTF("THE END\r\n");
while (true) {
uint8_t ch = (uint8_t) GETCHAR();
if (ch == '\r') PUTCHAR('\n');
PUTCHAR(ch);
}
}
void cfe_main(int a,int b)
{
/*
* By the time this routine is called, the following things have
* already been done:
*
* 1. The processor(s) is(are) initialized.
* 2. The caches are initialized.
* 3. The memory controller is initialized.
* 4. BSS has been zeroed.
* 5. The data has been moved to R/W space.
* 6. The "C" Stack has been initialized.
*/
cfe_bg_init(); /* init background processing */
cfe_attach_init();
cfe_timer_init(); /* Timer process */
cfe_bg_add(cfe_device_poll,NULL);
/*
* Initialize the memory allocator
*/
SETLEDS("KMEM");
KMEMINIT((unsigned char *) (uintptr_t) mem_heapstart,
((CFG_HEAP_SIZE)*1024));
/*
* Initialize the console. It is done before the other devices
* get turned on. The console init also sets the variable that
* contains the CPU speed.
*/
SETLEDS("CONS");
board_console_init();
/*
* Set up the exception vectors
*/
cfe_setup_exceptions();
/*
* Say hello.
*/
SETLEDS("CIOK");
cfe_say_hello();
/*
* Initialize the other devices.
*/
SETLEDS("AREN");
#if CFG_XIP
xprintf("CFE XIP\n");
#endif
xprintf("Init Arena\n");
cfe_arena_init();
#if CFG_PCI
if (cfe_startflags & CFE_INIT_PCI) {
pci_flags_t flags = PCI_FLG_NORMAL | PCI_FLG_LDT_PREFETCH;
#ifndef EB332
char *str;
extern cons_t pci_optnames[];
flags = PCI_FLG_NORMAL | PCI_FLG_LDT_PREFETCH;
#if CFG_LDT_REV_017
flags |= PCI_FLG_LDT_REV_017;
#endif
str = env_getenv("PCI_OPTIONS");
setoptions(pci_optnames,str,&flags);
xprintf("Initializing PCI. [%s]\n",str ? str : "normal");
#endif
pci_configure(flags);
}
#endif
SETLEDS("DEVI");
xprintf("Init Devs.\n");
board_device_init();
cfe_startup_info();
SETLEDS("ENVI");
cfe_setup_default_env();
xprintf("\n");
cfe_init_ui();
board_final_init();
cfe_autostart();
cfe_command_loop();
}