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Add possibility to control variable trace from make

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This commit is contained in:
Fred Sundvik 2016-11-06 22:11:24 +02:00
parent f519b94be7
commit a377017c95
3 changed files with 38 additions and 5 deletions
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8
build_keyboard.mk
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@ -180,7 +180,13 @@ ifeq ($(strip $(SERIAL_LINK_ENABLE)), yes)
VAPTH += $(SERIAL_PATH)
endif
SRC += $(QUANTUM_DIR)/variable_trace.c
ifneq ($(strip $(VARIABLE_TRACE)),)
SRC += $(QUANTUM_DIR)/variable_trace.c
OPT_DEFS += -DNUM_TRACED_VARIABLES=$(strip $(VARIABLE_TRACE))
ifneq ($(strip $(MAX_VARIABLE_TRACE_SIZE)),)
OPT_DEFS += -DMAX_VARIABLE_TRACE_SIZE=$(strip $(MAX_VARIABLE_TRACE_SIZE))
endif
endif
# Optimize size but this may cause error "relocation truncated to fit"
#EXTRALDFLAGS = -Wl,--relax

10
quantum/variable_trace.c
View File

@ -12,7 +12,9 @@
#define NUM_TRACED_VARIABLES 1
#define MAX_TRACE_SIZE 4
#ifndef MAX_VARIABLE_TRACE_SIZE
#define MAX_VARIABLE_TRACE_SIZE 4
#endif
typedef struct {
const char* name;
@ -20,7 +22,7 @@ typedef struct {
unsigned size;
const char* func;
int line;
uint8_t last_value[MAX_TRACE_SIZE];
uint8_t last_value[MAX_VARIABLE_TRACE_SIZE];
} traced_variable_t;
@ -28,13 +30,13 @@ static traced_variable_t traced_variables[NUM_TRACED_VARIABLES];
void add_traced_variable(const char* name, void* addr, unsigned size, const char* func, int line) {
verify_traced_variables(func, line);
if (size > MAX_TRACE_SIZE) {
if (size > MAX_VARIABLE_TRACE_SIZE) {
#if defined(__AVR__)
xprintf("Traced variable \"%S\" exceeds the maximum size %d\n", name, size);
#else
xprintf("Traced variable \"%s\" exceeds the maximum size %d\n", name, size);
#endif
size = MAX_TRACE_SIZE;
size = MAX_VARIABLE_TRACE_SIZE;
}
int index = -1;
for (int i = 0; i < NUM_TRACED_VARIABLES; i++) {

25
quantum/variable_trace.h Normal file
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@ -0,0 +1,25 @@
#ifndef VARIABLE_TRACE_H
#define VARIABLE_TRACE_H
#include "print.h"
#ifdef NUM_TRACED_VARIABLES
#define ADD_TRACED_VARIABLE(name, addr, size) \
add_traced_variable(PSTR(name), (void*)addr, size, PSTR(__FILE__), __LINE__)
#define REMOVE_TRACED_VARIABLE(name) remove_traced_variable(PSTR(name), PSTR(__FILE__), __LINE__)
#define VERIFY_TRACED_VARIABLES() verify_traced_variables(PSTR(__FILE__), __LINE__)
#else
#define ADD_TRACED_VARIABLE(name, addr, size)
#define REMOVE_TRACED_VARIABLE(name)
#define VERIFY_TRACED_VARIABLES()
#endif
// Don't call directly, use the macros instead
void add_traced_variable(const char* name, void* addr, unsigned size, const char* func, int line);
void remove_traced_variable(const char* name, const char* func, int line);
void verify_traced_variables(const char* func, int line);
#endif