qmk_settings: implement setting persistence

1 files changed, 40 insertions, 1 deletions

diff --git a/quantum/qmk_settings.c b/quantum/qmk_settings.c
index 346cd8023c..50c4e39395 100644
--- a/quantum/qmk_settings.c
+++ b/quantum/qmk_settings.c
@@ -1,9 +1,11 @@
 #include "qmk_settings.h"
 
 #include <stddef.h>
-#include "progmem.h"
 #include <string.h>
 
+#include "progmem.h"
+#include "dynamic_keymap.h"
+
 qmk_settings_t QS;
 
 #define DECLARE_SETTING(id, field)  { .qsid=id, .ptr=&QS.field, .sz=sizeof(QS.field) }
@@ -26,6 +28,42 @@ static const qmk_settings_proto_t *find_setting(uint16_t qsid) {
     return NULL;
 }
 
+static void load_settings(void) {
+    for (size_t i = 0; i < sizeof(qmk_settings_t); ++i) {
+        uint8_t byte;
+        byte = dynamic_keymap_get_qmk_settings(i);
+        memcpy((char*)&QS + i, &byte, 1);
+    }
+}
+
+static void save_settings(void) {
+    for (size_t i = 0; i < sizeof(qmk_settings_t); ++i) {
+        uint8_t old_byte, new_byte;
+        old_byte = dynamic_keymap_get_qmk_settings(i);
+        memcpy(&new_byte, (char*)&QS + i, 1);
+        if (old_byte != new_byte)
+            dynamic_keymap_set_qmk_settings(i, new_byte);
+    }
+}
+
+void qmk_settings_init(void) {
+    load_settings();
+}
+
+void qmk_settings_reset(void) {
+    /* TODO: this should take values from various #define's */
+    QS.grave_esc_override = 0;
+    QS.debounce_time = 5;
+    QS.auto_shift = 0;
+    QS.auto_shift_timeout = 175;
+    QS.osk_tap_toggle = 0;
+    QS.osk_timeout = 5000;
+    QS.tapping_term = 200;
+    QS.tap_hold = 0;
+
+    save_settings();
+}
+
 int qmk_settings_get(uint16_t qsid, void *setting, size_t maxsz) {
     const qmk_settings_proto_t *proto = find_setting(qsid);
     if (!proto || pgm_read_word(&proto->sz) > maxsz)
@@ -39,5 +77,6 @@ int qmk_settings_set(uint16_t qsid, const void *setting, size_t maxsz) {
     if (!proto || pgm_read_word(&proto->sz) > maxsz)
         return -1;
     memcpy(pgm_read_ptr(&proto->ptr), setting, pgm_read_word(&proto->sz));
+    save_settings();
     return 0;
 }