Subversion Repositories HelenOS

Rev

Rev 4346 | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 4346 Rev 4348
Line 40... Line 40...
40 
#include <kbd.h>
 40 
#include <kbd.h>
41 
#include <kbd_port.h>
 41 
#include <kbd_port.h>
42 
#include <sysinfo.h>
 42 
#include <sysinfo.h>
43 
#include <stdio.h>
 43 
#include <stdio.h>
44 
#include <thread.h>
 44 
#include <thread.h>
- 
 
 45 
#include <bool.h>
45 
 
 46 
 
46 
#define POLL_INTERVAL       10000
 47 
#define POLL_INTERVAL       10000
47 
 
 48 
 
48 
/**
 49 
/**
49 
 * SGCN buffer header. It is placed at the very beginning of the SGCN
 50 
 * SGCN buffer header. It is placed at the very beginning of the SGCN
Line 90... Line 91...
90 
static uintptr_t sram_buffer_offset;
 91 
static uintptr_t sram_buffer_offset;
91 
 
 92 
 
92 
/* polling thread */
 93 
/* polling thread */
93 
static void *sgcn_thread_impl(void *arg);
 94 
static void *sgcn_thread_impl(void *arg);
94 
 
 95 
 
- 
 
 96 
static volatile bool polling_disabled = false;
95 
 
 97 
 
96 
/**
 98 
/**
97 
 * Initializes the SGCN driver.
 99 
 * Initializes the SGCN driver.
98 
 * Maps the physical memory (SRAM) and creates the polling thread.
 100 
 * Maps the physical memory (SRAM) and creates the polling thread.
99 
 */
 101 
 */
Line 118... Line 120...
118 
    }
 120 
    }
119 
 
 121 
 
120 
    return 0;
 122 
    return 0;
121 
}
 123 
}
122 
 
 124 
 
- 
 
 125 
void kbd_port_yield(void)
- 
 
 126 
{
- 
 
 127 
    polling_disabled = true;
- 
 
 128 
}
- 
 
 129 
 
- 
 
 130 
void kbd_port_reclaim(void)
- 
 
 131 
{
- 
 
 132 
    polling_disabled = false;
- 
 
 133 
}
- 
 
 134 
 
123 
/**
 135 
/**
124 
 * Handler of the "key pressed" event. Reads codes of all the pressed keys from
 136 
 * Handler of the "key pressed" event. Reads codes of all the pressed keys from
125 
 * the buffer.
 137 
 * the buffer.
126 
 */
 138 
 */
127 
static void sgcn_key_pressed(void)
 139 
static void sgcn_key_pressed(void)
Line 152... Line 164...
152 
static void *sgcn_thread_impl(void *arg)
 164 
static void *sgcn_thread_impl(void *arg)
153 
{
 165 
{
154 
    (void) arg;
 166 
    (void) arg;
155 
 
 167 
 
156 
    while (1) {
 168 
    while (1) {
- 
 
 169 
        if (polling_disabled == false)
157 
        sgcn_key_pressed();
 170 
            sgcn_key_pressed();
158 
        usleep(POLL_INTERVAL);
 171 
        usleep(POLL_INTERVAL);
159 
    }
 172 
    }
160 
}
 173 
}
161 
 
 174 
 
162 
 
 - 
 
163 
/** @}
 175 
/** @}
164 
 */
 176 
 */