Egor00f
1df9d8496d
Use `shell_api.h` and the buffer structure in `shell` and `libshell` to avoid magic numbers and sync Reviewed-on: #657 Reviewed-by: Burer <burer@kolibrios.org> Co-authored-by: Egor00f <y.yarin@inbox.ru>
27 lines
499 B
C
27 lines
499 B
C
#include <shell_api.h>
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#include <sys/ksys.h>
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#include <sys/ksys.h>
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#define SHELL_PING_TIMEOUT 10 // 0.1 sec
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#define SHELL_PING_MIN_DELAY 1
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int shell_ping()
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{
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__shell_shm->cmd = SHELL_PING;
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_ksys_thread_yield(); // hope shell is fast enough
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size_t i = 0;
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while (__shell_shm->cmd != SHELL_OK)
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{
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if (i > (SHELL_PING_TIMEOUT / SHELL_PING_MIN_DELAY))
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{
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return 0;
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}
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i++;
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_ksys_delay(SHELL_PING_MIN_DELAY);
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}
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return 1;
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}
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