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-rw-r--r--quantum/keymap_extras/keymap_br_abnt2.h58
-rw-r--r--quantum/variable_trace.c110
-rw-r--r--quantum/variable_trace.h34
3 files changed, 202 insertions, 0 deletions
diff --git a/quantum/keymap_extras/keymap_br_abnt2.h b/quantum/keymap_extras/keymap_br_abnt2.h
new file mode 100644
index 000000000..0df177721
--- /dev/null
+++ b/quantum/keymap_extras/keymap_br_abnt2.h
@@ -0,0 +1,58 @@
+#ifndef KEYMAP_BR_ABNT2_H
+#define KEYMAP_BR_ABNT2_H
+
+#include "keymap_common.h"
+
+/* Scan codes for the Brazilian ABNT2 keyboard layout */
+
+#define BR_CCDL KC_SCLN // Ç same scancode as ;: on US layout
+#define BR_SCLN KC_SLSH // ;: same scancode as /? on US layout
+#define BR_QUOT KC_GRV // '" same scancode as `~ on US layout
+#define BR_TILD KC_QUOT // ~^ dead keys, same scancode as '" on US layout
+#define BR_ACUT KC_LBRC // ´` dead keys, same scancode as [{ on US layout
+#define BR_LBRC KC_RBRC // [{ same scancode as ]} on US layout
+#define BR_RBRC KC_BSLS // ]} same scancode as \| on US layout
+#define BR_BSLS KC_NUBS // \| uses the non-US hash scancode (#~, sometimes §±)
+#define BR_SLSH KC_INT1 // /? uses the INTL1 scancode
+
+#define BR_COLN LSFT(BR_SCLN) // shifted :
+#define BR_DQT LSFT(BR_QUOT) // shifted "
+#define BR_CIRC LSFT(BR_TILD) // shifted ^ (dead key)
+#define BR_GRAV LSFT(BR_ACUT) // shifted ` (dead key)
+#define BR_LCBR LSFT(BR_LBRC) // shifted {
+#define BR_RCBR LSFT(BR_RBRC) // shifted }
+#define BR_PIPE LSFT(BR_BSLS) // shifted |
+#define BR_QUES LSFT(BR_SLSH) // shifted ?
+#define BR_TRMA LSFT(KC_6) // shifted ¨ (dead key - trema accent)
+
+// On the ABNT2 the keypad comma and the keypad dot scancodes are switched
+// (presumably because in Brazil comma is used as the decimal separator)
+#define BR_KPDT KC_KP_COMMA // keypad .
+#define BR_KPCM KC_KP_DOT // keypad ,
+
+#define BR_1UP LALT(KC_1) // 1 superscript ¹ alt+1
+#define BR_2UP LALT(KC_2) // 2 superscript ² alt+2
+#define BR_3UP LALT(KC_3) // 3 superscript ³ alt+3
+#define BR_PND LALT(KC_4) // Pound sign £ alt+4
+#define BR_CENT LALT(KC_5) // Cent sign ¢ alt+5
+#define BR_NOT LALT(KC_6) // Not sign ¬ alt+6
+#define BR_SECT LALT(KC_EQL) // Section sign § alt+=
+#define BR_FORD LALT(BR_LBRC) // Feminine Ordinal Sign ª alt+[
+#define BR_MORD LALT(BR_RBRC) // Masculine Ordinal Sign º alt+]
+#define BR_DGRE LALT(BR_SLSH) // Degree sign ° alt+/
+
+#define BR_EURO LALT(KC_E) // Euro sign € alt+e
+#define BR_NDTD LALT(BR_TILD) // Non-dead key tilde ~ alt+~
+#define BR_NDAC LALT(BR_ACUT) // Non-dead key acute accent ´ alt+´
+#define BR_NDGV LALT(BR_QUOT) // Non-dead key grave accent ` alt+'
+#define BR_NDCR LALT(BR_CIRC) // Non-dead key circumflex accent ^ alt+^ (alt+shift+~)
+#define BR_NDTR LALT(BR_TRMA) // Non-dead key trema accent ¨ alt+¨ (alt+shift+6)
+
+// For 101-key keyboard layouts, the ABNT2 layout allows
+// the slash and question mark to be typed using alt+q and alt+w.
+// The shortcuts are provided here for completeness' sake,
+// but it's recommended to use BR_SLSH and BR_QUES instead
+#define BR_ASLS LALT(KC_Q)
+#define BR_AQST LALT(KC_W)
+
+#endif
diff --git a/quantum/variable_trace.c b/quantum/variable_trace.c
new file mode 100644
index 000000000..de580244c
--- /dev/null
+++ b/quantum/variable_trace.c
@@ -0,0 +1,110 @@
+#include "variable_trace.h"
+#include <stddef.h>
+#include <string.h>
+
+#ifdef NO_PRINT
+#error "You need undef NO_PRINT to use the variable trace feature"
+#endif
+
+#ifndef CONSOLE_ENABLE
+#error "The console needs to be enabled in the makefile to use the variable trace feature"
+#endif
+
+
+#define NUM_TRACED_VARIABLES 1
+#ifndef MAX_VARIABLE_TRACE_SIZE
+ #define MAX_VARIABLE_TRACE_SIZE 4
+#endif
+
+typedef struct {
+ const char* name;
+ void* addr;
+ unsigned size;
+ const char* func;
+ int line;
+ uint8_t last_value[MAX_VARIABLE_TRACE_SIZE];
+
+} traced_variable_t;
+
+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_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_VARIABLE_TRACE_SIZE;
+ }
+ int index = -1;
+ for (int i = 0; i < NUM_TRACED_VARIABLES; i++) {
+ if (index == -1 && traced_variables[i].addr == NULL){
+ index = i;
+ }
+ else if (strcmp_P(name, traced_variables[i].name)==0) {
+ index = i;
+ break;
+ }
+ }
+
+ if (index == -1) {
+ xprintf("You can only trace %d variables at the same time\n", NUM_TRACED_VARIABLES);
+ return;
+ }
+
+ traced_variable_t* t = &traced_variables[index];
+ t->name = name;
+ t->addr = addr;
+ t->size = size;
+ t->func = func;
+ t->line = line;
+ memcpy(&t->last_value[0], addr, size);
+
+}
+
+void remove_traced_variable(const char* name, const char* func, int line) {
+ verify_traced_variables(func, line);
+ for (int i = 0; i < NUM_TRACED_VARIABLES; i++) {
+ if (strcmp_P(name, traced_variables[i].name)==0) {
+ traced_variables[i].name = 0;
+ traced_variables[i].addr = NULL;
+ break;
+ }
+ }
+}
+
+void verify_traced_variables(const char* func, int line) {
+ for (int i = 0; i < NUM_TRACED_VARIABLES; i++) {
+ traced_variable_t* t = &traced_variables[i];
+ if (t->addr != NULL && t->name != NULL) {
+ if (memcmp(t->last_value, t->addr, t->size)!=0){
+#if defined(__AVR__)
+ xprintf("Traced variable \"%S\" has been modified\n", t->name);
+ xprintf("Between %S:%d\n", t->func, t->line);
+ xprintf("And %S:%d\n", func, line);
+
+#else
+ xprintf("Traced variable \"%s\" has been modified\n", t->name);
+ xprintf("Between %s:%d\n", t->func, t->line);
+ xprintf("And %s:%d\n", func, line);
+#endif
+ xprintf("Previous value ");
+ for (int j=0; j<t->size;j++) {
+ print_hex8(t->last_value[j]);
+ }
+ xprintf("\nNew value ");
+ uint8_t* addr = (uint8_t*)(t->addr);
+ for (int j=0; j<t->size;j++) {
+ print_hex8(addr[j]);
+ }
+ xprintf("\n");
+ memcpy(t->last_value, addr, t->size);
+ }
+ }
+
+ t->func = func;
+ t->line = line;
+ }
+}
diff --git a/quantum/variable_trace.h b/quantum/variable_trace.h
new file mode 100644
index 000000000..46bd82786
--- /dev/null
+++ b/quantum/variable_trace.h
@@ -0,0 +1,34 @@
+#ifndef VARIABLE_TRACE_H
+#define VARIABLE_TRACE_H
+
+// For more information about the variable tracing see the readme.
+
+#include "print.h"
+
+#ifdef NUM_TRACED_VARIABLES
+
+// Start tracing a variable at the memory address addr
+// The name can be anything and is used only for reporting
+// The size should usually be the same size as the variable you are interested in
+#define ADD_TRACED_VARIABLE(name, addr, size) \
+ add_traced_variable(PSTR(name), (void*)addr, size, PSTR(__FILE__), __LINE__)
+
+// Stop tracing the variable with the given name
+#define REMOVE_TRACED_VARIABLE(name) remove_traced_variable(PSTR(name), PSTR(__FILE__), __LINE__)
+
+// Call to get messages when the variable has been changed
+#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