From c95b17b536b4437f001d5f5e8a54753969e36bb2 Mon Sep 17 00:00:00 2001
From: Fred Sundvik <fsundvik@gmail.com>
Date: Sun, 24 Apr 2016 13:46:19 +0300
Subject: [PATCH] Add simple led support

Also the first version of a led testing animation
---
 led_test.c    | 45 +++++++++++++++++++++++++++++++++++++++++++++
 led_test.h    | 35 +++++++++++++++++++++++++++++++++++
 visualizer.c  |  8 ++++++++
 visualizer.h  |  3 +++
 visualizer.mk | 10 ++++++++--
 5 files changed, 99 insertions(+), 2 deletions(-)
 create mode 100644 led_test.c
 create mode 100644 led_test.h

diff --git a/led_test.c b/led_test.c
new file mode 100644
index 000000000..1aadd5541
--- /dev/null
+++ b/led_test.c
@@ -0,0 +1,45 @@
+/*
+The MIT License (MIT)
+
+Copyright (c) 2016 Fred Sundvik
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+*/
+#include "led_test.h"
+#include "gfx.h"
+
+keyframe_animation_t led_test_animation = {
+    .num_frames = 1,
+    .loop = true,
+    .frame_lengths = {MS2ST(1000)},
+    .frame_functions = {
+        keyframe_fade_in_all_leds,
+    },
+};
+
+bool keyframe_fade_in_all_leds(keyframe_animation_t* animation, visualizer_state_t* state) {
+    (void)state;
+    int frame_length = animation->frame_lengths[animation->current_frame];
+    int current_pos = frame_length - animation->time_left_in_frame;
+    uint8_t luma = 0x255 * current_pos / frame_length;
+    color_t color = LUMA2COLOR(luma);
+    gdispGClear(LED_DISPLAY, color);
+    gdispGFlush(LED_DISPLAY);
+    return true;
+}
diff --git a/led_test.h b/led_test.h
new file mode 100644
index 000000000..521e05216
--- /dev/null
+++ b/led_test.h
@@ -0,0 +1,35 @@
+/*
+The MIT License (MIT)
+
+Copyright (c) 2016 Fred Sundvik
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+*/
+
+#ifndef TMK_VISUALIZER_LED_TEST_H_
+#define TMK_VISUALIZER_LED_TEST_H_
+
+#include "visualizer.h"
+
+bool keyframe_fade_in_all_leds(keyframe_animation_t* animation, visualizer_state_t* state);
+
+extern keyframe_animation_t led_test_animation;
+
+
+#endif /* TMK_VISUALIZER_LED_TEST_H_ */
diff --git a/visualizer.c b/visualizer.c
index 867a1d334..ed5c9fa2c 100644
--- a/visualizer.c
+++ b/visualizer.c
@@ -77,6 +77,9 @@ static remote_object_t* remote_objects[] = {
 
 #endif
 
+GDisplay* LCDDisplay;
+GDisplay* LEDDisplay;
+
 
 void start_keyframe_animation(keyframe_animation_t* animation) {
     animation->current_frame = -1;
@@ -405,6 +408,11 @@ void visualizer_init(void) {
 #ifdef USE_SERIAL_LINK
     add_remote_objects(remote_objects, sizeof(remote_objects) / sizeof(remote_object_t*) );
 #endif
+    // TODO: Make sure these works when either of these are disabled
+    LCDDisplay = gdispGetDisplay(0);
+    LEDDisplay = gdispGetDisplay(1);
+
+
     // We are using a low priority thread, the idea is to have it run only
     // when the main thread is sleeping during the matrix scanning
     chEvtObjectInit(&layer_changed_event);
diff --git a/visualizer.h b/visualizer.h
index 22798cda6..6a72fde1f 100644
--- a/visualizer.h
+++ b/visualizer.h
@@ -99,6 +99,9 @@ typedef struct keyframe_animation_t {
 
 } keyframe_animation_t;
 
+extern GDisplay* LCD_DISPLAY;
+extern GDisplay* LED_DISPLAY;
+
 void start_keyframe_animation(keyframe_animation_t* animation);
 void stop_keyframe_animation(keyframe_animation_t* animation);
 
diff --git a/visualizer.mk b/visualizer.mk
index 13c5d3158..96ca468e8 100644
--- a/visualizer.mk
+++ b/visualizer.mk
@@ -21,13 +21,14 @@
 # SOFTWARE.
 
 GFXLIB = $(VISUALIZER_DIR)/ugfx
+SRC += $(GFXSRC) $(VISUALIZER_DIR)/visualizer.c
+UINCDIR += $(GFXINC) $(VISUALIZER_DIR)
+
 ifdef LCD_ENABLE
 include $(GFXLIB)/gfx.mk
 UDEFS += -DLCD_ENABLE
 ULIBS += -lm
 endif
-SRC += $(GFXSRC) $(VISUALIZER_DIR)/visualizer.c
-UINCDIR += $(GFXINC) $(VISUALIZER_DIR)
 
 ifdef LCD_BACKLIGHT_ENABLE
 SRC += $(VISUALIZER_DIR)/lcd_backlight.c
@@ -35,6 +36,11 @@ SRC += lcd_backlight_hal.c
 UDEFS += -DLCD_BACKLIGHT_ENABLE
 endif
 
+ifdef LED_ENABLE
+SRC += $(VISUALIZER_DIR)/led_test.c
+UDEFS += -DLED_ENABLE
+endif
+
 ifndef VISUALIZER_USER
 VISUALIZER_USER = visualizer_user.c
 endif