]> sigrok.org Git - libsigrok.git/blobdiff - hardware/zeroplus-logic-cube/protocol.c
Reorganize project tree.
[libsigrok.git] / hardware / zeroplus-logic-cube / protocol.c
diff --git a/hardware/zeroplus-logic-cube/protocol.c b/hardware/zeroplus-logic-cube/protocol.c
deleted file mode 100644 (file)
index ce20ccf..0000000
+++ /dev/null
@@ -1,139 +0,0 @@
-/*
- * This file is part of the libsigrok project.
- *
- * Copyright (C) 2010-2012 Bert Vermeulen <bert@biot.com>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <math.h>
-#include "protocol.h"
-
-SR_PRIV unsigned int get_memory_size(int type)
-{
-       if (type == MEMORY_SIZE_8K)
-               return 8 * 1024;
-       else if (type <= MEMORY_SIZE_8M)
-               return (32 * 1024) << type;
-       else
-               return 0;
-}
-
-static int clz(unsigned int x)
-{
-       int n = 0;
-       if (x == 0)
-               return 32;
-       if (!(x & 0xFFFF0000)) {
-               n = n + 16;
-               x = x << 16;
-       }
-       if (!(x & 0xFF000000)) {
-               n = n + 8;
-               x = x << 8;
-       }
-       if (!(x & 0xF0000000)) {
-               n = n + 4;
-               x = x << 4;
-       }
-       if (!(x & 0xC0000000)) {
-               n = n + 2;
-               x = x << 2;
-       }
-       if (!(x & 0x80000000))
-               n = n + 1;
-       return n;
-}
-
-SR_PRIV int set_limit_samples(struct dev_context *devc, uint64_t samples)
-{
-       if (samples > devc->max_sample_depth)
-               samples = devc->max_sample_depth;
-
-       devc->limit_samples = samples;
-
-       if (samples <= 2 * 1024)
-               devc->memory_size = MEMORY_SIZE_8K;
-       else if (samples <= 16 * 1024)
-               devc->memory_size = MEMORY_SIZE_64K;
-       else
-               devc->memory_size = 19 - clz(samples - 1);
-
-       sr_info("Setting memory size to %dK.",
-               get_memory_size(devc->memory_size) / 1024);
-
-       analyzer_set_memory_size(devc->memory_size);
-
-       return SR_OK;
-}
-
-SR_PRIV int set_capture_ratio(struct dev_context *devc, uint64_t ratio)
-{
-       if (ratio > 100) {
-               sr_err("Invalid capture ratio: %" PRIu64 ".", ratio);
-               return SR_ERR_ARG;
-       }
-
-       devc->capture_ratio = ratio;
-
-       sr_info("Setting capture ratio to %d%%.", devc->capture_ratio);
-
-       return SR_OK;
-}
-
-SR_PRIV int set_voltage_threshold(struct dev_context *devc, double thresh)
-{
-       if (thresh > 6.0)
-               thresh = 6.0;
-       if (thresh < -6.0)
-               thresh = -6.0;
-
-       devc->cur_threshold = thresh;
-
-       analyzer_set_voltage_threshold((int) round(-9.1*thresh + 62.6));
-
-       sr_info("Setting voltage threshold to %fV.", devc->cur_threshold);
-
-       return SR_OK;
-}
-
-SR_PRIV void set_triggerbar(struct dev_context *devc)
-{
-       unsigned int trigger_depth, triggerbar, ramsize_trigger;
-
-       trigger_depth = get_memory_size(devc->memory_size) / 4;
-       if (devc->limit_samples < trigger_depth)
-               trigger_depth = devc->limit_samples;
-
-       if (devc->trigger)
-               triggerbar = trigger_depth * devc->capture_ratio / 100;
-       else
-               triggerbar = 0;
-
-       ramsize_trigger = trigger_depth - triggerbar;
-       /* Matches USB packet captures from official app/driver */
-       if (triggerbar > 2)
-               triggerbar -= 2;
-       else {
-               ramsize_trigger -= 1;
-               triggerbar = 0;
-       }
-
-       analyzer_set_triggerbar_address(triggerbar);
-       analyzer_set_ramsize_trigger_address(ramsize_trigger);
-
-       sr_dbg("triggerbar_address = %d(0x%x)", triggerbar, triggerbar);
-       sr_dbg("ramsize_triggerbar_address = %d(0x%x)",
-              ramsize_trigger, ramsize_trigger);
-}