From ee9a7aba396160929604aca54a23ad5534d59940 Mon Sep 17 00:00:00 2001
From: mtdjr <mtdjr@users.noreply.github.com>
Date: Thu, 31 May 2018 11:30:05 -0400
Subject: add not-so-minidox handwire keyboard (#3061)

* add not-so-minidox handwire keyboard

* corrected keymap

* multiple adjustments to not_so_minidox keyboard

* remove I2C master left define

* update default layer set function

* move solenoid code into userspace

* minor adjustments to config.h

* update keymaps to utilize userspace

* move features and config to userspace, correct build issue

* correct solenoid pin

* adjust defaults for solenoid pin and enable

* default solenoid to on for not_so_minidox

* disable RGBLIGHT_SLEEP for xd75

* tweaking solenoid enable/disable in userspace and keymaps
---
 keyboards/handwired/not_so_minidox/split_util.c | 84 +++++++++++++++++++++++++
 1 file changed, 84 insertions(+)
 create mode 100644 keyboards/handwired/not_so_minidox/split_util.c

(limited to 'keyboards/handwired/not_so_minidox/split_util.c')

diff --git a/keyboards/handwired/not_so_minidox/split_util.c b/keyboards/handwired/not_so_minidox/split_util.c
new file mode 100644
index 0000000000..39639c3b4b
--- /dev/null
+++ b/keyboards/handwired/not_so_minidox/split_util.c
@@ -0,0 +1,84 @@
+#include <avr/io.h>
+#include <avr/wdt.h>
+#include <avr/power.h>
+#include <avr/interrupt.h>
+#include <util/delay.h>
+#include <avr/eeprom.h>
+#include "split_util.h"
+#include "matrix.h"
+#include "keyboard.h"
+#include "config.h"
+
+#ifdef USE_I2C
+#  include "i2c.h"
+#else
+#  include "serial.h"
+#endif
+
+volatile bool isLeftHand = true;
+
+static void setup_handedness(void) {
+  #ifdef EE_HANDS
+    isLeftHand = eeprom_read_byte(EECONFIG_HANDEDNESS);
+  #else
+    // I2C_MASTER_RIGHT is deprecated, use MASTER_RIGHT instead, since this works for both serial and i2c
+    #if defined(I2C_MASTER_RIGHT) || defined(MASTER_RIGHT)
+      isLeftHand = !has_usb();
+    #else
+      isLeftHand = has_usb();
+    #endif
+  #endif
+}
+
+static void keyboard_master_setup(void) {
+#ifdef USE_I2C
+    i2c_master_init();
+#ifdef SSD1306OLED
+    matrix_master_OLED_init ();
+#endif
+#else
+    serial_master_init();
+#endif
+}
+
+static void keyboard_slave_setup(void) {
+#ifdef USE_I2C
+    i2c_slave_init(SLAVE_I2C_ADDRESS);
+#else
+    serial_slave_init();
+#endif
+}
+
+bool has_usb(void) {
+   USBCON |= (1 << OTGPADE); //enables VBUS pad
+   _delay_us(5);
+   return (USBSTA & (1<<VBUS));  //checks state of VBUS
+}
+
+void split_keyboard_setup(void) {
+   setup_handedness();
+
+   if (has_usb()) {
+      keyboard_master_setup();
+   } else {
+      keyboard_slave_setup();
+   }
+   sei();
+}
+
+void keyboard_slave_loop(void) {
+   matrix_init();
+
+   while (1) {
+      matrix_slave_scan();
+   }
+}
+
+// this code runs before the usb and keyboard is initialized
+void matrix_setup(void) {
+    split_keyboard_setup();
+
+    if (!has_usb()) {
+        keyboard_slave_loop();
+    }
+}
-- 
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