73 lines
2.3 KiB
C
73 lines
2.3 KiB
C
|
/*!
|
|||
|
|
Copyright 2017 <EFBFBD><EFBFBD> "<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>" <EFBFBD> <EFBFBD><EFBFBD><EFBFBD> "<EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>"
|
|||
|
|
|
|||
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|||
|
|
you may not use this file except in compliance with the License.
|
|||
|
|
You may obtain a copy of the License at
|
|||
|
|
|
|||
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|||
|
|
|
|||
|
|
Unless required by applicable law or agreed to in writing, software
|
|||
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|||
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|||
|
|
See the License for the specific language governing permissions and
|
|||
|
|
limitations under the License.
|
|||
|
|
|
|||
|
|
\file V_fifo.c
|
|||
|
|
\brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD> FIFO. <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD> "Uint8"
|
|||
|
|
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>.
|
|||
|
|
|
|||
|
|
\author <EFBFBD><EFBFBD><EFBFBD> "<EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>". http://motorcontrol.ru
|
|||
|
|
\version v 1.0 08/08/2017
|
|||
|
|
|
|||
|
|
*/
|
|||
|
|
|
|||
|
|
#ifndef V_FIFO_C_
|
|||
|
|
#define V_FIFO_C_
|
|||
|
|
|
|||
|
|
#define BUFFER_SIZE 64
|
|||
|
|
|
|||
|
|
#define FIFO_BUSY -1 // <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>
|
|||
|
|
#define FIFO_NOT_ENOUGH_SPACE 2 // <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
|||
|
|
#define FIFO_NOT_ENOUGH_DATA 3 // <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
|||
|
|
#define FIFO_OK 0 // <20><><EFBFBD> <20><>
|
|||
|
|
|
|||
|
|
|
|||
|
|
struct Sfifo;
|
|||
|
|
typedef volatile struct Sfifo Tfifo;
|
|||
|
|
struct Sfifo {
|
|||
|
|
Uint16 busy;
|
|||
|
|
Uint16 size; // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> (<28><><EFBFBD><EFBFBD>)
|
|||
|
|
Uint16 wp; // Write pointer
|
|||
|
|
Uint16 rp; // Read pointer
|
|||
|
|
Uint8 wrapFlag; // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> 1, <20><><EFBFBD><EFBFBD> wp <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>;
|
|||
|
|
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD> rp <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
|||
|
|
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> 100%: rp == wp && wrap == 1
|
|||
|
|
// <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>: rp == wp && wrap == 0
|
|||
|
|
Uint8 buff[BUFFER_SIZE];
|
|||
|
|
int16 (*put)(Tfifo*, Uint16, Uint8*);
|
|||
|
|
int16 (*get)(Tfifo*, Uint16, Uint8*);
|
|||
|
|
int16 (*availSpace)(Tfifo*);
|
|||
|
|
int16 (*filledSpace)(Tfifo*);
|
|||
|
|
void (*clear)(Tfifo*);
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
int16 Fifo_Put (volatile struct Sfifo*, Uint16, Uint8*);
|
|||
|
|
int16 Fifo_Get (volatile struct Sfifo*, Uint16, Uint8*);
|
|||
|
|
int16 getFill (Tfifo*);
|
|||
|
|
int16 getFreeSpace (Tfifo*);
|
|||
|
|
void Fifo_Clear (Tfifo*);
|
|||
|
|
|
|||
|
|
#define FIFO_DEFAULTS {.size = BUFFER_SIZE,\
|
|||
|
|
.put = Fifo_Put,\
|
|||
|
|
.get = Fifo_Get,\
|
|||
|
|
.availSpace = getFreeSpace,\
|
|||
|
|
.filledSpace = getFill,\
|
|||
|
|
.clear = Fifo_Clear}
|
|||
|
|
|
|||
|
|
extern Tfifo fifosha;
|
|||
|
|
|
|||
|
|
extern Tfifo usbRxBuf;
|
|||
|
|
extern Tfifo usbTxBuf;
|
|||
|
|
#endif /* V_FIFO_C_ */
|