diff options
author | Norbert Preining <norbert@preining.info> | 2019-09-02 13:46:59 +0900 |
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committer | Norbert Preining <norbert@preining.info> | 2019-09-02 13:46:59 +0900 |
commit | e0c6872cf40896c7be36b11dcc744620f10adf1d (patch) | |
tree | 60335e10d2f4354b0674ec22d7b53f0f8abee672 /support/dktools/dk4c32.c |
Initial commit
Diffstat (limited to 'support/dktools/dk4c32.c')
-rw-r--r-- | support/dktools/dk4c32.c | 144 |
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; +} + |