Emulate Ergodox EZ leds by LCD colors

1 files changed, 165 insertions, 10 deletions

diff --git a/keyboards/ergodox/infinity/visualizer.c b/keyboards/ergodox/infinity/visualizer.c
index 6af3a72ee1..7bc42fbc70 100644
--- a/keyboards/ergodox/infinity/visualizer.c
+++ b/keyboards/ergodox/infinity/visualizer.c
@@ -27,6 +27,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #endif
 
 #include "visualizer.h"
+#include "system/serial_link.h"
 
 // To generate an image array like this
 // Ensure the image is 128 x 32 or smaller
@@ -73,6 +74,15 @@ static const uint8_t image_data_lcd_logo[512] = {
 static const uint32_t logo_background_color = LCD_COLOR(0x00, 0x00, 0xFF);
 static const uint32_t initial_color = LCD_COLOR(0, 0, 0);
 
+static const uint32_t led_emulation_colors[4] = {
+    LCD_COLOR(0, 0, 0),
+    LCD_COLOR(255, 255, 255),
+    LCD_COLOR(84, 255, 255),
+    LCD_COLOR(168, 255, 255),
+};
+
+static uint32_t next_led_target_color = 0;
+
 typedef enum {
     LCD_STATE_INITIAL,
     LCD_STATE_LAYER_BITMAP,
@@ -81,6 +91,19 @@ typedef enum {
 
 static lcd_state_t lcd_state = LCD_STATE_INITIAL;
 
+typedef struct {
+    uint8_t led_on;
+    uint8_t led1;
+    uint8_t led2;
+    uint8_t led3;
+} visualizer_user_data_t;
+
+// Don't access from visualization function, use the visualizer state instead
+static visualizer_user_data_t user_data_keyboard = {};
+
+_Static_assert(sizeof(visualizer_user_data_t) <= VISUALIZER_USER_DATA_SIZE,
+    "Please increase the VISUALIZER_USER_DATA_SIZE");
+
 bool display_logo(keyframe_animation_t* animation, visualizer_state_t* state) {
     (void)state;
     (void)animation;
@@ -117,16 +140,27 @@ static keyframe_animation_t startup_animation = {
 };
 
 // The color animation animates the LCD color when you change layers
-static keyframe_animation_t color_animation = {
-    .num_frames = 2,
+static keyframe_animation_t one_led_color = {
+    .num_frames = 1,
     .loop = false,
-    // Note that there's a 200 ms no-operation frame,
-    // this prevents the color from changing when activating the layer
-    // momentarily
-    .frame_lengths = {gfxMillisecondsToTicks(200), gfxMillisecondsToTicks(500)},
-    .frame_functions = {keyframe_no_operation, keyframe_animate_backlight_color},
+    .frame_lengths = {gfxMillisecondsToTicks(0)},
+    .frame_functions = {keyframe_set_backlight_color},
 };
 
+bool swap_led_target_color(keyframe_animation_t* animation, visualizer_state_t* state) {
+    uint32_t temp = next_led_target_color;
+    next_led_target_color = state->target_lcd_color;
+    state->target_lcd_color = temp;
+    return false;
+}
+
+// The color animation animates the LCD color when you change layers
+static keyframe_animation_t two_led_colors = {
+    .num_frames = 2,
+    .loop = true,
+    .frame_lengths = {gfxMillisecondsToTicks(1000), gfxMillisecondsToTicks(0)},
+    .frame_functions = {keyframe_set_backlight_color, swap_led_target_color},
+};
 
 // The LCD animation alternates between the layer name display and a
 // bitmap that displays all active layers
@@ -177,6 +211,45 @@ void initialize_user_visualizer(visualizer_state_t* state) {
     start_keyframe_animation(&startup_animation);
 }
 
+static const uint32_t red;
+static const uint32_t green;
+static const uint32_t blue;
+
+inline bool is_led_on(visualizer_user_data_t* user_data, uint8_t num) {
+    return user_data->led_on & (1u << num);
+}
+
+static uint8_t get_led_index_master(visualizer_user_data_t* user_data) {
+    for (int i=0; i < 3; i++) {
+        if (is_led_on(user_data, i)) {
+            return i + 1;
+        }
+    }
+    return 0;
+}
+
+static uint8_t get_led_index_slave(visualizer_user_data_t* user_data) {
+    uint8_t master_index = get_led_index_master(user_data);
+    if (master_index!=0) {
+        for (int i=master_index; i < 3; i++) {
+            if (is_led_on(user_data, i)) {
+                return i + 1;
+            }
+        }
+    }
+
+    return 0;
+}
+
+static uint8_t get_secondary_led_index(visualizer_user_data_t* user_data) {
+    if (is_led_on(user_data, 0) &&
+            is_led_on(user_data, 1) &&
+            is_led_on(user_data, 2)) {
+        return 3;
+    }
+    return 0;
+}
+
 void update_user_visualizer_state(visualizer_state_t* state, visualizer_keyboard_status_t prev_status) {
     // Check the status here to start and stop animations
     // You might have to save some state, like the current animation here so that you can start the right
@@ -186,9 +259,38 @@ void update_user_visualizer_state(visualizer_state_t* state, visualizer_keyboard
     // This is also important because the slave won't have access to the active layer for example outside the
     // status.
 
-    if (lcd_state == LCD_STATE_INITIAL) {
-        state->target_lcd_color = LCD_COLOR(0x40, 0xB0, 0xFF);
-        start_keyframe_animation(&color_animation);
+
+    visualizer_user_data_t* user_data_new = (visualizer_user_data_t*)state->status.user_data;
+    visualizer_user_data_t* user_data_old = (visualizer_user_data_t*)prev_status.user_data;
+
+    uint8_t new_index;
+    uint8_t old_index;
+
+    if (is_serial_link_master()) {
+        new_index = get_led_index_master(user_data_new);
+        old_index = get_led_index_master(user_data_old);
+    }
+    else {
+        new_index = get_led_index_slave(user_data_new);
+        old_index = get_led_index_slave(user_data_old);
+    }
+    uint8_t new_secondary_index = get_secondary_led_index(user_data_new);
+    uint8_t old_secondary_index = get_secondary_led_index(user_data_old);
+
+    if (lcd_state == LCD_STATE_INITIAL ||
+            new_index != old_index ||
+            new_secondary_index != old_secondary_index) {
+
+        if (new_secondary_index != 0) {
+            state->target_lcd_color = led_emulation_colors[new_index];
+            next_led_target_color = led_emulation_colors[new_secondary_index];
+            stop_keyframe_animation(&one_led_color);
+            start_keyframe_animation(&two_led_colors);
+        } else {
+            state->target_lcd_color = led_emulation_colors[new_index];
+            stop_keyframe_animation(&two_led_colors);
+            start_keyframe_animation(&one_led_color);
+        }
     }
 
     if (state->status.leds) {
@@ -233,3 +335,56 @@ void user_visualizer_resume(visualizer_state_t* state) {
     lcd_state = LCD_STATE_INITIAL;
     start_keyframe_animation(&resume_animation);
 }
+
+void ergodox_board_led_on(void){
+    // No board led support
+}
+
+void ergodox_right_led_1_on(void){
+    user_data_keyboard.led_on |= (1u << 0);
+    visualizer_set_user_data(&user_data_keyboard);
+}
+
+void ergodox_right_led_2_on(void){
+    user_data_keyboard.led_on |= (1u << 1);
+    visualizer_set_user_data(&user_data_keyboard);
+}
+
+void ergodox_right_led_3_on(void){
+    user_data_keyboard.led_on |= (1u << 2);
+    visualizer_set_user_data(&user_data_keyboard);
+}
+
+void ergodox_board_led_off(void){
+    // No board led support
+}
+
+void ergodox_right_led_1_off(void){
+    user_data_keyboard.led_on &= ~(1u << 0);
+    visualizer_set_user_data(&user_data_keyboard);
+}
+
+void ergodox_right_led_2_off(void){
+    user_data_keyboard.led_on &= ~(1u << 1);
+    visualizer_set_user_data(&user_data_keyboard);
+}
+
+void ergodox_right_led_3_off(void){
+    user_data_keyboard.led_on &= ~(1u << 2);
+    visualizer_set_user_data(&user_data_keyboard);
+}
+
+void ergodox_right_led_1_set(uint8_t n) {
+    user_data_keyboard.led1 = n;
+    visualizer_set_user_data(&user_data_keyboard);
+}
+
+void ergodox_right_led_2_set(uint8_t n) {
+    user_data_keyboard.led2 = n;
+    visualizer_set_user_data(&user_data_keyboard);
+}
+
+void ergodox_right_led_3_set(uint8_t n) {
+    user_data_keyboard.led3 = n;
+    visualizer_set_user_data(&user_data_keyboard);
+}