1 files changed, 53 insertions, 0 deletions
diff --git a/users/drashna/eeconfig_users.c b/users/drashna/eeconfig_users.c
new file mode 100644
index 0000000000..8e0f1f10b6
--- /dev/null
+++ b/users/drashna/eeconfig_users.c
@@ -0,0 +1,53 @@
+// Copyright 2023 Christopher Courtney, aka Drashna Jael're  (@drashna) <drashna@live.com>
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "eeconfig_users.h"
+#include "eeprom.h"
+#include "eeconfig.h"
+#include <string.h>
+
+#if (TOTAL_EEPROM_BYTE_COUNT - 1) < EECONFIG_SIZE && !defined(KEYBOARD_input_club_ergodox_infinity)
+#    error "More eeprom configured than is available."
+#endif
+#if (EECONFIG_USER_DATA_SIZE) != 0 && (EECONFIG_USER_DATA_SIZE) < 4
+#    error "Not enough EEPROM configured for user config."
+#endif
+
+#if (EECONFIG_USER_DATA_SIZE) == 0
+#    define EECONFIG_USER_TEMP EECONFIG_USER
+#else
+#    define EECONFIG_USER_TEMP (uint32_t *)(EECONFIG_USER_DATABLOCK)
+#endif
+
+void eeconfig_read_user_config(uint32_t *data) {
+#if (EECONFIG_USER_DATA_SIZE) > 0
+    if (!eeconfig_is_user_datablock_valid()) {
+        memset(data, 0, 4);
+    } else
+#endif
+        eeprom_read_block(data, EECONFIG_USER_TEMP, 4);
+}
+
+void eeconfig_update_user_config(const uint32_t *data) {
+    eeprom_update_block(data, EECONFIG_USER_TEMP, 4);
+#if (EECONFIG_USER_DATA_SIZE) > 0
+    eeprom_update_dword(EECONFIG_USER, (EECONFIG_USER_DATA_VERSION));
+#endif
+}
+
+void eeconfig_read_user_data(void *data) {
+#if (EECONFIG_USER_DATA_SIZE) > 4
+    if (eeconfig_is_user_datablock_valid()) {
+        eeprom_read_block(data, EECONFIG_USER_DATABLOCK + 4, (EECONFIG_USER_DATA_SIZE)-4);
+    } else {
+        memset(data, 0, (EECONFIG_USER_DATA_SIZE));
+    }
+#endif
+}
+
+void eeconfig_update_user_data(const void *data) {
+#if (EECONFIG_USER_DATA_SIZE) > 4
+    eeprom_update_dword(EECONFIG_USER, (EECONFIG_USER_DATA_VERSION));
+    eeprom_update_block(data, EECONFIG_USER_DATABLOCK + 4, (EECONFIG_USER_DATA_SIZE)-4);
+#endif
+}