Add possibility to control variable trace from make
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a377017c95
3 changed files with 38 additions and 5 deletions
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@ -180,7 +180,13 @@ ifeq ($(strip $(SERIAL_LINK_ENABLE)), yes)
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VAPTH += $(SERIAL_PATH)
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endif
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SRC += $(QUANTUM_DIR)/variable_trace.c
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ifneq ($(strip $(VARIABLE_TRACE)),)
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SRC += $(QUANTUM_DIR)/variable_trace.c
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OPT_DEFS += -DNUM_TRACED_VARIABLES=$(strip $(VARIABLE_TRACE))
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ifneq ($(strip $(MAX_VARIABLE_TRACE_SIZE)),)
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OPT_DEFS += -DMAX_VARIABLE_TRACE_SIZE=$(strip $(MAX_VARIABLE_TRACE_SIZE))
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endif
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endif
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# Optimize size but this may cause error "relocation truncated to fit"
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#EXTRALDFLAGS = -Wl,--relax
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@ -12,7 +12,9 @@
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#define NUM_TRACED_VARIABLES 1
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#define MAX_TRACE_SIZE 4
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#ifndef MAX_VARIABLE_TRACE_SIZE
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#define MAX_VARIABLE_TRACE_SIZE 4
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#endif
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typedef struct {
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const char* name;
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@ -20,7 +22,7 @@ typedef struct {
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unsigned size;
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const char* func;
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int line;
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uint8_t last_value[MAX_TRACE_SIZE];
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uint8_t last_value[MAX_VARIABLE_TRACE_SIZE];
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} traced_variable_t;
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@ -28,13 +30,13 @@ static traced_variable_t traced_variables[NUM_TRACED_VARIABLES];
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void add_traced_variable(const char* name, void* addr, unsigned size, const char* func, int line) {
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verify_traced_variables(func, line);
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if (size > MAX_TRACE_SIZE) {
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if (size > MAX_VARIABLE_TRACE_SIZE) {
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#if defined(__AVR__)
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xprintf("Traced variable \"%S\" exceeds the maximum size %d\n", name, size);
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#else
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xprintf("Traced variable \"%s\" exceeds the maximum size %d\n", name, size);
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#endif
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size = MAX_TRACE_SIZE;
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size = MAX_VARIABLE_TRACE_SIZE;
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}
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int index = -1;
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for (int i = 0; i < NUM_TRACED_VARIABLES; i++) {
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25
quantum/variable_trace.h
Normal file
25
quantum/variable_trace.h
Normal file
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@ -0,0 +1,25 @@
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#ifndef VARIABLE_TRACE_H
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#define VARIABLE_TRACE_H
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#include "print.h"
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#ifdef NUM_TRACED_VARIABLES
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#define ADD_TRACED_VARIABLE(name, addr, size) \
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add_traced_variable(PSTR(name), (void*)addr, size, PSTR(__FILE__), __LINE__)
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#define REMOVE_TRACED_VARIABLE(name) remove_traced_variable(PSTR(name), PSTR(__FILE__), __LINE__)
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#define VERIFY_TRACED_VARIABLES() verify_traced_variables(PSTR(__FILE__), __LINE__)
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#else
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#define ADD_TRACED_VARIABLE(name, addr, size)
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#define REMOVE_TRACED_VARIABLE(name)
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#define VERIFY_TRACED_VARIABLES()
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#endif
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// Don't call directly, use the macros instead
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void add_traced_variable(const char* name, void* addr, unsigned size, const char* func, int line);
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void remove_traced_variable(const char* name, const char* func, int line);
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void verify_traced_variables(const char* func, int line);
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#endif
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