page_console.h

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#ifndef RCBENCH_PAGE_CONSOLE_H
#define RCBENCH_PAGE_CONSOLE_H
 
#include <stdarg.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
 
#include "link_dev.h"
#include "link_pages.h"
 
#ifdef __cplusplus
extern "C" {
#endif

#define PAGE_CONSOLE_LINE_MAX 160u
#define PAGE_CONSOLE_OUT_LINE 200u
#define PAGE_CONSOLE_OUT_MAX 2048u

typedef struct {
    const link_dev_t *dev;
    char     line[PAGE_CONSOLE_LINE_MAX + 1u];
    uint16_t len;
    uint8_t  overlong;   
    char     out[PAGE_CONSOLE_OUT_MAX];  
    uint16_t head;       
    uint16_t used;                      
    uint32_t dropped;                   
    uint16_t staged[LINK_HT_W_STAGED];  
    uint8_t  watch;      
    /* Work space, here rather than on the caller's stack. */
    char       fmt[PAGE_CONSOLE_OUT_LINE];
    link_msg_t req;
    link_msg_t reply;
    uint16_t   regs[LINK_HT_COUNT];
    uint16_t   data[3][16];
} page_console_t;

void page_console_init(page_console_t *c, const link_dev_t *dev);

void page_console_key(page_console_t *c, int ch);

void page_console_poll(page_console_t *c);

void page_console_say(page_console_t *c, const char *fmt, ...)
    __attribute__((format(printf, 2, 3)));

void page_console_vsay(page_console_t *c, const char *fmt, va_list ap)
    __attribute__((format(printf, 2, 0)));

size_t page_console_take(page_console_t *c, char *buf, size_t room);

size_t page_console_take_part(page_console_t *c, char *buf, size_t room);
 
#ifdef __cplusplus
}
#endif
 
#endif /* RCBENCH_PAGE_CONSOLE_H */