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/*
 * test-rpc_get_version.c
 * ----------------------
 * Test code for RPC interface to Cryptech hash cores.
 *
 * Copyright (c) 2016, NORDUnet A/S
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 * - Redistributions of source code must retain the above copyright notice,
 *   this list of conditions and the following disclaimer.
 *
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 *
 * - Neither the name of the NORDUnet nor the names of its contributors may
 *   be used to endorse or promote products derived from this software
 *   without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include <stdio.h>

#include <hal.h>

int main(int argc, char *argv[])
{
    uint32_t version;

#define check(op) { hal_error_t err; if ((err = (op)) != HAL_OK) { printf("%s: %s\n", #op, hal_error_string(err)); return 1; } }

    check(hal_rpc_client_init());
    check(hal_rpc_get_version(&version));
    printf("%08x\n", version);

    check(hal_rpc_client_close());
    return 0;
}
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "slip_internal.h" /* SLIP special character codes */ #define END 0300 /* indicates end of packet */ #define ESC 0333 /* indicates byte stuffing */ #define ESC_END 0334 /* ESC ESC_END means END data byte */ #define ESC_ESC 0335 /* ESC ESC_ESC means ESC data byte */ #ifndef HAL_SLIP_DEBUG #define HAL_SLIP_DEBUG 0 #endif #if HAL_SLIP_DEBUG #include <stdio.h> #define check(op) do { const hal_error_t _err_ = (op); if (_err_ != HAL_OK) { printf("%s returned %d (%s)\n", #op, _err_, hal_error_string(_err_)); return _err_; } } while (0) #else #define check(op) do { const hal_error_t _err_ = (op); if (_err_ != HAL_OK) { return _err_; } } while (0) #endif /* Send a single character with SLIP escaping. */ hal_error_t hal_slip_send_char(const uint8_t c) { switch (c) { case END: check(hal_serial_send_char(ESC)); check(hal_serial_send_char(ESC_END)); break; case ESC: check(hal_serial_send_char(ESC)); check(hal_serial_send_char(ESC_ESC)); break; default: check(hal_serial_send_char(c)); } return HAL_OK; } /* Send a message with SLIP framing. */ hal_error_t hal_slip_send(const uint8_t * const buf, const size_t len) { /* send an initial END character to flush out any data that may * have accumulated in the receiver due to line noise */ check(hal_serial_send_char(END)); /* for each byte in the packet, send the appropriate character * sequence */ for (int i = 0; i < len; ++i) { hal_error_t ret; if ((ret = hal_slip_send_char(buf[i])) != HAL_OK) return ret; } /* tell the receiver that we're done sending the packet */ check(hal_serial_send_char(END)); return HAL_OK; } /* Receive a single character into a buffer, with SLIP un-escaping */ hal_error_t hal_slip_process_char(uint8_t c, uint8_t * const buf, size_t * const len, const size_t maxlen, int * const complete) { #define buf_push(c) do { if (*len < maxlen) buf[(*len)++] = c; } while (0) static int esc_flag = 0; *complete = 0; switch (c) { case END: if (*len) *complete = 1; break; case ESC: esc_flag = 1; break; default: if (esc_flag) { esc_flag = 0; switch (c) { case ESC_END: buf_push(END); break; case ESC_ESC: buf_push(ESC); break; default: buf_push(c); } } else { buf_push(c); } break; } return HAL_OK; } hal_error_t hal_slip_recv_char(uint8_t * const buf, size_t * const len, const size_t maxlen, int * const complete) { uint8_t c; check(hal_serial_recv_char(&c)); return hal_slip_process_char(c, buf, len, maxlen, complete); } /* Receive a message with SLIP framing, blocking mode. */ hal_error_t hal_slip_recv(uint8_t * const buf, size_t * const len, const size_t maxlen) { int complete; hal_error_t ret; while (1) { ret = hal_slip_recv_char(buf, len, maxlen, &complete); if ((ret != HAL_OK) || complete) return ret; } }