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RIOT/cpu/esp8266/tools.c
2019-11-14 13:58:22 +01:00

81 lines
2.2 KiB
C

/*
* Copyright (C) 2019 Gunar Schorcht
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @ingroup cpu_esp8266
* @{
*
* @file
* @brief Implementation of some tools
*
* @author Gunar Schorcht <gunar@schorcht.net>
*
* @}
*/
#include <stdio.h>
#include <malloc.h>
#ifdef MCU_ESP8266
#include <inttypes.h>
#include "sdk/sdk.h"
#else
#include "rom/ets_sys.h"
#endif
#include "esp/common_macros.h"
#include "tools.h"
extern void malloc_stats (void);
extern unsigned int get_free_heap_size (void);
extern uint8_t _eheap; /* end of heap (defined in esp8266.riot-os.app.ld) */
extern uint8_t _sheap; /* start of heap (defined in esp8266.riot-os.app.ld) */
void print_meminfo (void)
{
struct mallinfo minfo = mallinfo();
ets_printf("heap: %lu (free %lu) byte\n", &_eheap - &_sheap, get_free_heap_size());
ets_printf("sysmem: %d (used %d, free %d)\n", minfo.arena, minfo.uordblks, minfo.fordblks);
}
void esp_hexdump (const void* addr, uint32_t num, char width, uint8_t per_line)
{
uint32_t count = 0;
uint32_t size;
uint8_t* addr8 = (uint8_t*) addr;
uint16_t* addr16 = (uint16_t*)addr;
uint32_t* addr32 = (uint32_t*)addr;
uint64_t* addr64 = (uint64_t*)addr;
switch (width) {
case 'b': size = 1; break;
case 'h': size = 2; break;
case 'w': size = 4; break;
case 'g': size = 8; break;
default : size = 1; break;
}
while (count < num) {
if (count % per_line == 0) {
ets_printf ("%08" PRIx32 ": ", (uint32_t)((uint8_t*)addr+count*size));
}
switch (width) {
case 'b': ets_printf("%02" PRIx8 " ", addr8[count++]); break;
case 'h': ets_printf("%04" PRIx16 " ", addr16[count++]); break;
case 'w': ets_printf("%08" PRIx32 " ", addr32[count++]); break;
case 'g': ets_printf("%016" PRIx64 " ", addr64[count++]); break;
default : ets_printf("."); count++; break;
}
if (count % per_line == 0) {
ets_printf ("\n");
}
}
ets_printf ("\n");
}