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Rev 4346 Rev 4348
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#include <kbd.h>
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#include <kbd.h>
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#include <kbd_port.h>
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#include <kbd_port.h>
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#include <sysinfo.h>
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#include <sysinfo.h>
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#include <stdio.h>
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#include <stdio.h>
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#include <thread.h>
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#include <thread.h>
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#include <bool.h>
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#define POLL_INTERVAL       10000
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#define POLL_INTERVAL       10000
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/**
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/**
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 * SGCN buffer header. It is placed at the very beginning of the SGCN
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 * SGCN buffer header. It is placed at the very beginning of the SGCN
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static uintptr_t sram_buffer_offset;
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static uintptr_t sram_buffer_offset;
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/* polling thread */
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/* polling thread */
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static void *sgcn_thread_impl(void *arg);
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static void *sgcn_thread_impl(void *arg);
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static volatile bool polling_disabled = false;
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/**
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/**
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 * Initializes the SGCN driver.
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 * Initializes the SGCN driver.
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 * Maps the physical memory (SRAM) and creates the polling thread.
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 * Maps the physical memory (SRAM) and creates the polling thread.
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 */
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 */
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    }
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    }
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    return 0;
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    return 0;
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}
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}
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void kbd_port_yield(void)
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{
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    polling_disabled = true;
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}
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void kbd_port_reclaim(void)
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{
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    polling_disabled = false;
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}
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/**
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/**
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 * Handler of the "key pressed" event. Reads codes of all the pressed keys from
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 * Handler of the "key pressed" event. Reads codes of all the pressed keys from
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 * the buffer.
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 * the buffer.
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 */
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 */
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static void sgcn_key_pressed(void)
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static void sgcn_key_pressed(void)
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static void *sgcn_thread_impl(void *arg)
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static void *sgcn_thread_impl(void *arg)
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{
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{
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    (void) arg;
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    (void) arg;
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    while (1) {
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    while (1) {
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        if (polling_disabled == false)
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        sgcn_key_pressed();
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            sgcn_key_pressed();
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        usleep(POLL_INTERVAL);
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        usleep(POLL_INTERVAL);
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    }
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    }
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}
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}
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/** @}
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/** @}
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 */
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 */