From ade22f8e2c272044ea2f80ff6fe5ca9576858939 Mon Sep 17 00:00:00 2001
From: Jack Humbert <jack.humb@gmail.com>
Date: Mon, 16 Jul 2018 11:48:31 -0400
Subject: Adds support for Planck Rev 6 (#2666)

* initial files for rev 6 with encoder

* music map init, dip scan added

* adds ws2812 driver for arm

* flesh out dip and encoder support

* adds default encoder res

* adds default encoder res

* start muse implementation

* muse working with encoder as control

* flip direction

* try mouse wheel again

* dont break other revs

* dont break other revs

* conditional autio

* pwm ws driver (not working)

* update build includes for chibios

* update ws2812 driver/config

* last commit for glasser code

* working example

* remove rgb for now

* finish up rev6

* working encoder keycodes

* add warnings to planck keymaps about the LAYOUT
---
 quantum/audio/muse.c | 111 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 111 insertions(+)
 create mode 100644 quantum/audio/muse.c

(limited to 'quantum/audio/muse.c')

diff --git a/quantum/audio/muse.c b/quantum/audio/muse.c
new file mode 100644
index 000000000..f3cb592d8
--- /dev/null
+++ b/quantum/audio/muse.c
@@ -0,0 +1,111 @@
+#include "muse.h"
+
+enum {
+  MUSE_OFF,
+  MUSE_ON,
+  MUSE_C_1_2,
+  MUSE_C1,
+  MUSE_C2,
+  MUSE_C4,
+  MUSE_C8,
+  MUSE_C3,
+  MUSE_C6,
+  MUSE_B1,
+  MUSE_B2,
+  MUSE_B3,
+  MUSE_B4,
+  MUSE_B5,
+  MUSE_B6,
+  MUSE_B7,
+  MUSE_B8,
+  MUSE_B9,
+  MUSE_B10,
+  MUSE_B11,
+  MUSE_B12,
+  MUSE_B13,
+  MUSE_B14,
+  MUSE_B15,
+  MUSE_B16,
+  MUSE_B17,
+  MUSE_B18,
+  MUSE_B19,
+  MUSE_B20,
+  MUSE_B21,
+  MUSE_B22,
+  MUSE_B23,
+  MUSE_B24,
+  MUSE_B25,
+  MUSE_B26,
+  MUSE_B27,
+  MUSE_B28,
+  MUSE_B29,
+  MUSE_B30,
+  MUSE_B31
+};
+
+bool number_of_ones_to_bool[16] = {
+  1, 0, 0, 1, 0, 1, 1, 0,
+  0, 1, 1, 0, 1, 0, 0, 1
+};
+
+uint8_t muse_interval[4] = {MUSE_B7,  MUSE_B19, MUSE_B3,  MUSE_B28};
+uint8_t muse_theme[4]    = {MUSE_B8, MUSE_B23, MUSE_B18, MUSE_B17};
+
+bool muse_timer_1bit = 0;
+uint8_t muse_timer_2bit = 0;
+uint8_t muse_timer_2bit_counter = 0;
+uint8_t muse_timer_4bit = 0;
+uint32_t muse_timer_31bit = 0;
+
+bool bit_for_value(uint8_t value) {
+  switch (value) {
+    case MUSE_OFF:
+      return 0;
+    case MUSE_ON:
+      return 1;
+    case MUSE_C_1_2:
+      return muse_timer_1bit;
+    case MUSE_C1:
+      return (muse_timer_4bit & 1);
+    case MUSE_C2:
+      return (muse_timer_4bit & 2);
+    case MUSE_C4:
+      return (muse_timer_4bit & 4);
+    case MUSE_C8:
+      return (muse_timer_4bit & 8);
+    case MUSE_C3:
+      return (muse_timer_2bit & 1);
+    case MUSE_C6:
+      return (muse_timer_2bit & 2);
+    default:
+      return muse_timer_31bit & (1UL << (value - MUSE_B1));
+  }
+}
+
+uint8_t muse_clock_pulse(void) {
+
+  bool top = number_of_ones_to_bool[
+    bit_for_value(muse_theme[0]) +
+    (bit_for_value(muse_theme[1]) << 1) +
+    (bit_for_value(muse_theme[2]) << 2) +
+    (bit_for_value(muse_theme[3]) << 3)
+  ];
+
+  if (muse_timer_1bit == 0) {
+    if (muse_timer_2bit_counter == 0) {
+      muse_timer_2bit = (muse_timer_2bit + 1) % 4;
+    }
+    muse_timer_2bit_counter = (muse_timer_2bit_counter + 1) % 3;
+    muse_timer_4bit = (muse_timer_4bit + 1) % 16;
+    muse_timer_31bit = (muse_timer_31bit << 1) + top;
+  }
+
+  muse_timer_1bit = (muse_timer_1bit + 1) % 2;
+
+  return
+    bit_for_value(muse_interval[0]) +
+    (bit_for_value(muse_interval[1]) << 1) +
+    (bit_for_value(muse_interval[2]) << 2) +
+    (bit_for_value(muse_interval[3]) << 3);
+
+}
-- 
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