summaryrefslogtreecommitdiff
path: root/support/dktools/dk4c32.c
diff options
context:
space:
mode:
authorNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
committerNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
commite0c6872cf40896c7be36b11dcc744620f10adf1d (patch)
tree60335e10d2f4354b0674ec22d7b53f0f8abee672 /support/dktools/dk4c32.c
Initial commit
Diffstat (limited to 'support/dktools/dk4c32.c')
-rw-r--r--support/dktools/dk4c32.c144
1 files changed, 144 insertions, 0 deletions
diff --git a/support/dktools/dk4c32.c b/support/dktools/dk4c32.c
new file mode 100644
index 0000000000..a197ad5b80
--- /dev/null
+++ b/support/dktools/dk4c32.c
@@ -0,0 +1,144 @@
+/*
+ WARNING: This file was generated by dkct.
+ Changes you make here will be lost if dkct is run again!
+ You should modify the original source and run dkct on it.
+ Original source: dk4c32.ctr
+*/
+
+/*
+Copyright (C) 2015-2017, Dirk Krause
+
+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 opyright 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 author nor the names of 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 OWNER 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.
+*/
+
+/** @file dk4c32.c The dk4c32 module.
+*/
+
+
+#line 77 "dk4c32.ctr"
+
+#include "dk4c32.h"
+
+#ifndef DK4EDSTM_H_INCLUDED
+#include "dk4edstm.h"
+#endif
+
+#if DK4_HAVE_STDLIB_H
+#ifndef STDLIB_H_INCLUDED
+#include <stdlib.h>
+#define STDLIB_H_INCLUDED 1
+#endif
+#else
+#ifndef STDIO_H_INCLUDED
+#include <stdio.h>
+#define STDIO_H_INCLUDED 1
+#endif
+#endif
+
+void
+dk4c32_decoder_init(dk4_c32_byte_decoder_t *ptr, int msb)
+{
+ if (NULL != ptr) {
+ ptr->val = (dk4_c32_t)0UL;
+ ptr->msb = msb;
+ ptr->nb = 0;
+ }
+}
+
+
+
+int
+dk4c32_decoder_add(dk4_c32_byte_decoder_t *ptr, unsigned char inbyte)
+{
+ int back = DK4_EDSTM_ERROR;
+ if (NULL != ptr) {
+ switch (ptr->nb) {
+ case 3: {
+ if (ptr->msb) {
+ ptr->val |= (dkC32(0x000000FF) & ((dk4_c32_t)inbyte));
+ } else {
+ ptr->val |= (dkC32(0xFF000000) & (((dk4_c32_t)inbyte) << 24));
+ }
+ ptr->nb = 0;
+ back = DK4_EDSTM_FINISHED;
+ } break;
+ case 2: {
+ if (ptr->msb) {
+ ptr->val |= (dkC32(0x0000FF00) & (((dk4_c32_t)inbyte) << 8));
+ } else {
+ ptr->val |= (dkC32(0x00FF0000) & (((dk4_c32_t)inbyte) << 16));
+ }
+ ptr->nb = 3;
+ back = DK4_EDSTM_ACCEPT;
+ } break;
+ case 1: {
+ if (ptr->msb) {
+ ptr->val |= (dkC32(0x00FF0000) & (((dk4_c32_t)inbyte) << 16));
+ } else {
+ ptr->val |= (dkC32(0x0000FF00) & (((dk4_c32_t)inbyte) << 8));
+ }
+ ptr->nb = 2;
+ back = DK4_EDSTM_ACCEPT;
+ } break;
+ default: {
+ if (ptr->msb) {
+ ptr->val = (dkC32(0xFF000000) & (((dk4_c32_t)inbyte) << 24));
+ } else {
+ ptr->val = (dkC32(0x000000FF) & ((dk4_c32_t)inbyte));
+ }
+ ptr->nb = 1;
+ back = DK4_EDSTM_ACCEPT;
+ } break;
+ }
+ }
+ return back;
+}
+
+
+
+dk4_c32_t
+dk4c32_decoder_get(dk4_c32_byte_decoder_t *ptr)
+{
+ dk4_c32_t back = (dk4_c32_t)0UL;
+ if (NULL != ptr) {
+ back = ptr->val;
+ }
+ return back;
+}
+
+
+
+int
+dk4c32_decoder_is_empty(dk4_c32_byte_decoder_t *ptr)
+{
+ int back = 0;
+ if (NULL != ptr) {
+ if (0 == ptr->nb) {
+ back = 1;
+ }
+ }
+ return back;
+}
+