embox

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/**
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 * @file
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 * @brief SEGGER RTT
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 *
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 * @author  Alexander Kalmuk
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 * @date    06.05.2020
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 */
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#include <drivers/diag.h>
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#include "SEGGER_RTT.h"
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static int rtt_diag_init(const struct diag *diag) {
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	SEGGER_RTT_Init();
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	return 0;
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}
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static void rtt_diag_putc(const struct diag *diag, char ch) {
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	/* RTT lost charachters, so we should check whether there is a room
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	 * for a char, but on the other hand, we can block forever here if
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	 * we are running without JLINK attached (nobody reads buffer and overflow occurs).
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	 * So just put char without checking for possible overflows. */
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#if 0
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	int ret;
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	do {
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		ret = SEGGER_RTT_PutChar(0, ch);
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	} while (!ret);
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#else
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	SEGGER_RTT_PutChar(0, ch);
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#endif
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}
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static char rtt_diag_getc(const struct diag *diag) {
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	return 0;
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}
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static int rtt_diag_kbhit(const struct diag *diag) {
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	return 0;
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}
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DIAG_OPS_DEF(
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		.init = rtt_diag_init,
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		.putc = rtt_diag_putc,
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		.getc = rtt_diag_getc,
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		.kbhit = rtt_diag_kbhit,
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);
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