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1 | //----------------------------------------------------------------------------- |
| 2 | // Jonathan Westhues, Aug 2005 |
| 3 | // Gerhard de Koning Gans, April 2008, May 2011 |
| 4 | // |
| 5 | // This code is licensed to you under the terms of the GNU GPL, version 2 or, |
| 6 | // at your option, any later version. See the LICENSE.txt file for the text of |
| 7 | // the license. |
| 8 | //----------------------------------------------------------------------------- |
| 9 | // BigBuf and functions to allocate/free parts of it. |
| 10 | //----------------------------------------------------------------------------- |
| 11 | |
| 12 | #ifndef __BIGBUF_H |
| 13 | #define __BIGBUF_H |
| 14 | |
| 15 | |
| 16 | #define BIGBUF_SIZE 40000 |
| 17 | #define TRACE_OFFSET 0 |
| 18 | #define TRACE_SIZE 3000 |
| 19 | #define RECV_CMD_OFFSET (TRACE_OFFSET + TRACE_SIZE) |
| 20 | #define MAX_FRAME_SIZE 256 |
| 21 | #define MAX_PARITY_SIZE ((MAX_FRAME_SIZE + 1)/ 8) |
| 22 | #define RECV_CMD_PAR_OFFSET (RECV_CMD_OFFSET + MAX_FRAME_SIZE) |
| 23 | #define RECV_RESP_OFFSET (RECV_CMD_PAR_OFFSET + MAX_PARITY_SIZE) |
| 24 | #define RECV_RESP_PAR_OFFSET (RECV_RESP_OFFSET + MAX_FRAME_SIZE) |
| 25 | #define CARD_MEMORY_OFFSET (RECV_RESP_PAR_OFFSET + MAX_PARITY_SIZE) |
| 26 | #define CARD_MEMORY_SIZE 4096 |
| 27 | #define DMA_BUFFER_OFFSET CARD_MEMORY_OFFSET |
| 28 | #define DMA_BUFFER_SIZE CARD_MEMORY_SIZE |
| 29 | #define FREE_BUFFER_OFFSET (CARD_MEMORY_OFFSET + CARD_MEMORY_SIZE) |
| 30 | #define FREE_BUFFER_SIZE (BIGBUF_SIZE - FREE_BUFFER_OFFSET - 1) |
| 31 | |
| 32 | extern uint8_t *BigBuf_get_addr(void); |
| 33 | extern uint16_t BigBuf_max_trace_len(void); |
| 34 | void BigBuf_Clear(void); |
| 35 | extern uint8_t *BigBuf_malloc(uint16_t); |
| 36 | extern void BigBuf_free(void); |
| 37 | |
| 38 | extern uint16_t traceLen; |
| 39 | |
| 40 | #endif /* __BIGBUF_H */ |
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