From a691a949ab99e908b4c6fcdce65a1c3b8e577e8e Mon Sep 17 00:00:00 2001
From: Gergely Nagy <algernon@madhouse-project.org>
Date: Sun, 5 Feb 2017 09:02:32 +0100
Subject: [PATCH] Merge Storage into Model01

Moved over the primary layer read/write code from KeyboardioFirmware, and
renamed them to `load_primary_layer`/`save_primary_layer`, because they deal
with layers, not keymaps now.

Signed-off-by: Gergely Nagy <algernon@madhouse-project.org>
---
 src/Keyboardio-Hardware-Model01.cpp | 15 +++++++++++++++
 src/Keyboardio-Hardware-Model01.h   |  3 +++
 2 files changed, 18 insertions(+)

diff --git a/src/Keyboardio-Hardware-Model01.cpp b/src/Keyboardio-Hardware-Model01.cpp
index bcd9033b..d2493e8d 100644
--- a/src/Keyboardio-Hardware-Model01.cpp
+++ b/src/Keyboardio-Hardware-Model01.cpp
@@ -1,5 +1,8 @@
 #include <KeyboardioFirmware.h>
 #include <avr/wdt.h>
+#include <EEPROM.h>
+
+#define EEPROM_LAYER_LOCATION 0
 
 KeyboardioScanner Model01::leftHand(0);
 KeyboardioScanner Model01::rightHand(3);
@@ -170,4 +173,16 @@ void Model01::reboot_bootloader() {
     // happens before the watchdog reboots us
 }
 
+void Model01::save_primary_layer(uint8_t layer) {
+    EEPROM.write(EEPROM_LAYER_LOCATION, layer);
+}
+
+uint8_t Model01::load_primary_layer(uint8_t layer_count) {
+    uint8_t layer =  EEPROM.read(EEPROM_LAYER_LOCATION);
+    if (layer >= layer_count) {
+        return 0; // undefined positions get saved as 255
+    }
+    return 0; //  return keymap;
+}
+
 HARDWARE_IMPLEMENTATION KeyboardHardware;
diff --git a/src/Keyboardio-Hardware-Model01.h b/src/Keyboardio-Hardware-Model01.h
index 448d0ca7..9c647943 100644
--- a/src/Keyboardio-Hardware-Model01.h
+++ b/src/Keyboardio-Hardware-Model01.h
@@ -25,6 +25,9 @@ class Model01 {
     void enable_scanner_power(void);
     void reboot_bootloader();
 
+    uint8_t load_primary_layer(uint8_t layer_count);
+    void save_primary_layer(uint8_t layer);
+
     keydata_t leftHandState;
     keydata_t rightHandState;
     keydata_t previousLeftHandState;