Commit 2d15c121 authored by Damien George's avatar Damien George
Browse files

stm: Add optional memory debugging output.

parent d0691cca
......@@ -4,6 +4,12 @@
#include "misc.h"
#include "mpconfig.h"
#if 0 // print debugging info
#define DEBUG_printf(args...) printf(args)
#else // don't print debugging info
#define DEBUG_printf(args...) (void)0
#endif
#if MICROPY_MEM_STATS
static int total_bytes_allocated = 0;
static int current_bytes_allocated = 0;
......@@ -26,6 +32,7 @@ void *m_malloc(int num_bytes) {
current_bytes_allocated += num_bytes;
UPDATE_PEAK();
#endif
DEBUG_printf("malloc %d : %p\n", num_bytes, ptr);
return ptr;
}
......@@ -43,6 +50,7 @@ void *m_malloc0(int num_bytes) {
current_bytes_allocated += num_bytes;
UPDATE_PEAK();
#endif
DEBUG_printf("malloc0 %d : %p\n", num_bytes, ptr);
return ptr;
}
......@@ -67,6 +75,7 @@ void *m_realloc(void *ptr, int old_num_bytes, int new_num_bytes) {
current_bytes_allocated += diff;
UPDATE_PEAK();
#endif
DEBUG_printf("realloc %d, %d : %p\n", old_num_bytes, new_num_bytes, ptr);
return ptr;
}
......@@ -77,6 +86,7 @@ void m_free(void *ptr, int num_bytes) {
#if MICROPY_MEM_STATS
current_bytes_allocated -= num_bytes;
#endif
DEBUG_printf("free %p, %d\n", ptr, num_bytes);
}
int m_get_total_bytes_allocated(void) {
......
......@@ -129,6 +129,7 @@ static const char *help_text =
"Specific commands for the board:\n"
" pyb.info() -- print some general information\n"
" pyb.gc() -- run the garbage collector\n"
" pyb.repl_info(<val>) -- enable/disable printing of info after each command\n"
" pyb.delay(<n>) -- wait for n milliseconds\n"
" pyb.Led(<n>) -- create Led object for LED n (n=1,2)\n"
" Led methods: on(), off()\n"
......@@ -215,6 +216,13 @@ static mp_obj_t pyb_info(void) {
return mp_const_none;
}
static bool repl_display_debugging_info = 0;
static mp_obj_t pyb_set_repl_info(mp_obj_t o_value) {
repl_display_debugging_info = mp_obj_get_int(o_value);
return mp_const_none;
}
#if MICROPY_HW_HAS_SDCARD
// SD card test
static mp_obj_t pyb_sd_test(void) {
......@@ -429,15 +437,18 @@ void do_repl(void) {
if (nlr_push(&nlr) == 0) {
rt_call_function_0(module_fun);
nlr_pop();
// optional timing
if (0) {
uint32_t ticks = sys_tick_counter - start; // TODO implement a function that does this properly
printf("(took %lu ms)\n", ticks);
}
} else {
// uncaught exception
mp_obj_print_exception((mp_obj_t)nlr.ret_val);
}
// display debugging info if wanted
if (repl_display_debugging_info) {
uint32_t ticks = sys_tick_counter - start; // TODO implement a function that does this properly
printf("took %lu ms\n", ticks);
gc_collect();
pyb_info();
}
}
}
}
......@@ -643,6 +654,8 @@ soft_reset:
mp_obj_t m = mp_obj_new_module(MP_QSTR_pyb);
rt_store_attr(m, MP_QSTR_info, rt_make_function_n(0, pyb_info));
rt_store_attr(m, MP_QSTR_gc, (mp_obj_t)&pyb_gc_obj);
rt_store_attr(m, qstr_from_str("repl_info"), rt_make_function_n(1, pyb_set_repl_info));
#if MICROPY_HW_HAS_SDCARD
rt_store_attr(m, MP_QSTR_sd_test, rt_make_function_n(0, pyb_sd_test));
#endif
......@@ -651,7 +664,6 @@ soft_reset:
rt_store_attr(m, MP_QSTR_source_dir, rt_make_function_n(1, pyb_source_dir));
rt_store_attr(m, MP_QSTR_main, rt_make_function_n(1, pyb_main));
rt_store_attr(m, MP_QSTR_sync, rt_make_function_n(0, pyb_sync));
rt_store_attr(m, MP_QSTR_gc, (mp_obj_t)&pyb_gc_obj);
rt_store_attr(m, MP_QSTR_delay, rt_make_function_n(1, pyb_delay));
#if MICROPY_HW_HAS_SWITCH
rt_store_attr(m, MP_QSTR_switch, (mp_obj_t)&pyb_switch_obj);
......
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