mirror of https://github.com/m-labs/artiq.git
52 lines
1003 B
C
52 lines
1003 B
C
#include <stdarg.h>
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#include <stdio.h>
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#include <string.h>
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#include <console.h>
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#include <generated/csr.h>
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#include "log.h"
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static int buffer_cursor;
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static char buffer[LOG_BUFFER_SIZE];
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void core_log(const char *fmt, ...)
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{
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va_list args;
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va_start(args, fmt);
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core_log_va(fmt, args);
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va_end(args);
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}
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void core_log_va(const char *fmt, va_list args)
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{
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char outbuf[256];
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int len = vscnprintf(outbuf, sizeof(outbuf), fmt, args);
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for(int i = 0; i < len; i++) {
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buffer[buffer_cursor] = outbuf[i];
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buffer_cursor = (buffer_cursor + 1) % LOG_BUFFER_SIZE;
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}
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#ifdef CSR_ETHMAC_BASE
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/* Since main comms are over ethernet, the serial port
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* is free for us to use. */
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putsnonl(outbuf);
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#endif
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}
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void core_log_get(char *outbuf)
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{
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int j = buffer_cursor;
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for(int i = 0; i < LOG_BUFFER_SIZE; i++) {
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outbuf[i] = buffer[j];
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j = (j + 1) % LOG_BUFFER_SIZE;
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}
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}
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void core_log_clear()
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{
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memset(buffer, 0, sizeof(buffer));
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}
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