nes-proj/cpu/arm/common/dbg-io/dbg-printf.c

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#include <stdio.h>
#include <debug-uart.h>
#include <string.h>
#include <strformat.h>
static StrFormatResult
write_str(void *user_data, const char *data, unsigned int len)
{
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if (len > 0) dbg_send_bytes((unsigned char*)data, len);
return STRFORMAT_OK;
}
static StrFormatContext ctxt =
{
write_str,
NULL
};
int
printf(const char *fmt, ...)
{
int res;
va_list ap;
va_start(ap, fmt);
res = format_str_v(&ctxt, fmt, ap);
va_end(ap);
return res;
}