61 lines
1.9 KiB
C
61 lines
1.9 KiB
C
/*
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* Console support for hndrte.
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*
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* $Copyright Open Broadcom Corporation$
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*
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* $Id: hndrte_cons.h 383575 2013-02-07 03:10:23Z $
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*/
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#ifndef _HNDRTE_CONS_H
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#define _HNDRTE_CONS_H
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#include <typedefs.h>
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#if defined(RWL_DONGLE) || defined(UART_REFLECTOR)
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/* For Dongle uart tranport max cmd len is 256 bytes + header length (16 bytes)
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* In case of ASD commands we are not sure about how much is the command size
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* To be on the safe side, input buf len CBUF_LEN is increased to max (512) bytes.
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*/
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#define RWL_MAX_DATA_LEN (512 + 8) /* allow some extra bytes for '/n' termination */
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#define CBUF_LEN (RWL_MAX_DATA_LEN + 64) /* allow 64 bytes for header ("rwl...") */
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#else
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#define CBUF_LEN (128)
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#endif /* RWL_DONGLE || UART_REFLECTOR */
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#define LOG_BUF_LEN 1024
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typedef struct {
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uint32 buf; /* Can't be pointer on (64-bit) hosts */
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uint buf_size;
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uint idx;
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char *_buf_compat; /* redundant pointer for backward compat. */
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} hndrte_log_t;
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typedef struct {
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/* Virtual UART
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* When there is no UART (e.g. Quickturn), the host should write a complete
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* input line directly into cbuf and then write the length into vcons_in.
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* This may also be used when there is a real UART (at risk of conflicting with
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* the real UART). vcons_out is currently unused.
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*/
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volatile uint vcons_in;
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volatile uint vcons_out;
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/* Output (logging) buffer
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* Console output is written to a ring buffer log_buf at index log_idx.
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* The host may read the output when it sees log_idx advance.
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* Output will be lost if the output wraps around faster than the host polls.
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*/
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hndrte_log_t log;
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/* Console input line buffer
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* Characters are read one at a time into cbuf until <CR> is received, then
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* the buffer is processed as a command line. Also used for virtual UART.
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*/
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uint cbuf_idx;
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char cbuf[CBUF_LEN];
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} hndrte_cons_t;
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hndrte_cons_t *hndrte_get_active_cons_state(void);
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#endif /* _HNDRTE_CONS_H */
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