From 2de0824f026172dafe9f83564c66df12d5f1da64 Mon Sep 17 00:00:00 2001 From: Paul Selkirk Date: Tue, 21 Apr 2015 12:36:44 -0400 Subject: Unify eim and i2c memory map, unify apps, build libraries. --- eim/sw/tc_eim.c | 185 -------------------------------------------------------- 1 file changed, 185 deletions(-) delete mode 100644 eim/sw/tc_eim.c (limited to 'eim/sw/tc_eim.c') diff --git a/eim/sw/tc_eim.c b/eim/sw/tc_eim.c deleted file mode 100644 index d44b685..0000000 --- a/eim/sw/tc_eim.c +++ /dev/null @@ -1,185 +0,0 @@ -/* - * tc_eim.c - * -------- - * This module contains common code to talk to the FPGA over the EIM bus. - * - * Author: Paul Selkirk - * Copyright (c) 2014-2015, 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 -#include -#include -#include -#include -#include -#include - -#include "tc_eim.h" - -extern int debug; -static int inited = 0; - -/* ---------------- EIM low-level code ---------------- */ -static int init(void) -{ - if (inited) - return 0; - - if (eim_setup() != 0) { - fprintf(stderr, "EIM setup failed\n"); - return -1; - } - - inited = 1; - return 0; -} - -/* ---------------- test-case low-level code ---------------- */ - -static void dump(char *label, const uint8_t *buf, size_t len) -{ - if (debug) { - int i; - printf("%s [", label); - for (i = 0; i < len; ++i) - printf(" %02x", buf[i]); - printf(" ]\n"); - } -} - -int tc_write(off_t offset, const uint8_t *buf, size_t len) -{ - if (init() != 0) - return -1; - - dump("write ", buf, len); - - for (; len > 0; offset += 4, buf += 4, len -= 4) { - uint32_t val; - val = htonl(*(uint32_t *)buf); - eim_write_32(offset, &val); - } - - return 0; -} - -int tc_read(off_t offset, uint8_t *buf, size_t len) -{ - uint8_t *rbuf = buf; - int rlen = len; - - if (init() != 0) - return -1; - - for (; rlen > 0; offset += 4, rbuf += 4, rlen -= 4) { - uint32_t val; - eim_read_32(offset, &val); - *(uint32_t *)rbuf = ntohl(val); - } - - dump("read ", buf, len); - - return 0; -} - -int tc_expected(off_t offset, const uint8_t *expected, size_t len) -{ - uint8_t *buf; - int i; - - buf = malloc(len); - if (buf == NULL) { - perror("malloc"); - return 1; - } - dump("expect", expected, len); - - if (tc_read(offset, buf, len) != 0) - goto errout; - - for (i = 0; i < len; ++i) - if (buf[i] != expected[i]) { - fprintf(stderr, "response byte %d: expected 0x%02x, got 0x%02x\n", - i, expected[i], buf[i]); - goto errout; - } - - free(buf); - return 0; -errout: - free(buf); - return 1; -} - -int tc_init(off_t offset) -{ - uint8_t buf[4] = { 0, 0, 0, CTRL_INIT_CMD }; - - return tc_write(offset, buf, 4); -} - -int tc_next(off_t offset) -{ - uint8_t buf[4] = { 0, 0, 0, CTRL_NEXT_CMD }; - - return tc_write(offset, buf, 4); -} - -int tc_wait(off_t offset, uint8_t status, int *count) -{ - uint8_t buf[4]; - int i; - - for (i = 1; ; ++i) { - if (count && (*count > 0) && (i >= *count)) { - fprintf(stderr, "tc_wait timed out\n"); - return 1; - } - if (tc_read(offset, buf, 4) != 0) - return -1; - if (buf[3] & status) { - if (count) - *count = i; - return 0; - } - } -} - -int tc_wait_ready(off_t offset) -{ - int limit = 256; - return tc_wait(offset, STATUS_READY_BIT, &limit); -} - -int tc_wait_valid(off_t offset) -{ - int limit = 256; - return tc_wait(offset, STATUS_VALID_BIT, &limit); -} -- cgit v1.2.3