chore: clang-format the codebase.

* Use the LLVM style
* Override indent width (8) and column limit (100)
* Fixes #142.

1 files changed, 109 insertions, 102 deletions

diff --git a/app/src/rgb_underglow.c b/app/src/rgb_underglow.c
index 97c2ac0..13912e3 100644
--- a/app/src/rgb_underglow.c
+++ b/app/src/rgb_underglow.c
@@ -18,8 +18,8 @@
 
 LOG_MODULE_DECLARE(zmk, CONFIG_ZMK_LOG_LEVEL);
 
-#define STRIP_LABEL		    DT_LABEL(DT_CHOSEN(zmk_underglow))
-#define STRIP_NUM_PIXELS	DT_PROP(DT_CHOSEN(zmk_underglow), chain_length)
+#define STRIP_LABEL DT_LABEL(DT_CHOSEN(zmk_underglow))
+#define STRIP_NUM_PIXELS DT_PROP(DT_CHOSEN(zmk_underglow), chain_length)
 
 enum rgb_underglow_effect {
     UNDERGLOW_EFFECT_SOLID,
@@ -30,19 +30,19 @@ enum rgb_underglow_effect {
 };
 
 struct led_hsb {
-	u16_t h;
-	u8_t  s;
-	u8_t  b;
+    u16_t h;
+    u8_t s;
+    u8_t b;
 };
 
 struct rgb_underglow_state {
     u16_t hue;
-    u8_t  saturation;
-    u8_t  brightness;
-    u8_t  animation_speed;
-    u8_t  current_effect;
+    u8_t saturation;
+    u8_t brightness;
+    u8_t animation_speed;
+    u8_t current_effect;
     u16_t animation_step;
-    bool  on;
+    bool on;
 };
 
 struct rgb_underglow_state state;
@@ -51,8 +51,7 @@ struct device *led_strip;
 
 struct led_rgb pixels[STRIP_NUM_PIXELS];
 
-static struct led_rgb hsb_to_rgb(struct led_hsb hsb)
-{
+static struct led_rgb hsb_to_rgb(struct led_hsb hsb) {
     double r, g, b;
 
     u8_t i = hsb.h / 60;
@@ -63,64 +62,81 @@ static struct led_rgb hsb_to_rgb(struct led_hsb hsb)
     double q = v * (1 - f * s);
     double t = v * (1 - (1 - f) * s);
 
-    switch (i % 6)
-    {
-        case 0: r = v; g = t; b = p; break;
-        case 1: r = q; g = v; b = p; break;
-        case 2: r = p; g = v; b = t; break;
-        case 3: r = p; g = q; b = v; break;
-        case 4: r = t; g = p; b = v; break;
-        case 5: r = v; g = p; b = q; break;
+    switch (i % 6) {
+    case 0:
+        r = v;
+        g = t;
+        b = p;
+        break;
+    case 1:
+        r = q;
+        g = v;
+        b = p;
+        break;
+    case 2:
+        r = p;
+        g = v;
+        b = t;
+        break;
+    case 3:
+        r = p;
+        g = q;
+        b = v;
+        break;
+    case 4:
+        r = t;
+        g = p;
+        b = v;
+        break;
+    case 5:
+        r = v;
+        g = p;
+        b = q;
+        break;
     }
 
-    struct led_rgb rgb = { r: r*255, g: g*255, b: b*255 };
+    struct led_rgb rgb = {r : r * 255, g : g * 255, b : b * 255};
 
     return rgb;
 }
 
-static void zmk_rgb_underglow_effect_solid()
-{
-    for (int i=0; i<STRIP_NUM_PIXELS; i++)
-    {
+static void zmk_rgb_underglow_effect_solid() {
+    for (int i = 0; i < STRIP_NUM_PIXELS; i++) {
         int hue = state.hue;
         int sat = state.saturation;
         int brt = state.brightness;
 
-        struct led_hsb hsb = { hue, sat, brt };
+        struct led_hsb hsb = {hue, sat, brt};
 
         pixels[i] = hsb_to_rgb(hsb);
     }
 }
 
-static void zmk_rgb_underglow_effect_breathe()
-{
-    for (int i=0; i<STRIP_NUM_PIXELS; i++)
-    {
+static void zmk_rgb_underglow_effect_breathe() {
+    for (int i = 0; i < STRIP_NUM_PIXELS; i++) {
         int hue = state.hue;
         int sat = state.saturation;
         int brt = abs(state.animation_step - 1200) / 12;
 
-        struct led_hsb hsb = { hue, sat, brt };
+        struct led_hsb hsb = {hue, sat, brt};
 
         pixels[i] = hsb_to_rgb(hsb);
     }
 
     state.animation_step += state.animation_speed * 10;
-    
+
     if (state.animation_step > 2400) {
         state.animation_step = 0;
     }
 }
 
-static void zmk_rgb_underglow_effect_spectrum()
-{
-    for (int i=0; i<STRIP_NUM_PIXELS; i++)
-    {
+static void zmk_rgb_underglow_effect_spectrum() {
+    for (int i = 0; i < STRIP_NUM_PIXELS; i++) {
         int hue = state.animation_step;
         int sat = state.saturation;
         int brt = state.brightness;
 
-        struct led_hsb hsb = { hue, sat, brt };
+        struct led_hsb hsb = {hue, sat, brt};
 
         pixels[i] = hsb_to_rgb(hsb);
     }
@@ -129,15 +145,13 @@ static void zmk_rgb_underglow_effect_spectrum()
     state.animation_step = state.animation_step % 360;
 }
 
-static void zmk_rgb_underglow_effect_swirl()
-{
-    for (int i=0; i<STRIP_NUM_PIXELS; i++)
-    {
+static void zmk_rgb_underglow_effect_swirl() {
+    for (int i = 0; i < STRIP_NUM_PIXELS; i++) {
         int hue = (360 / STRIP_NUM_PIXELS * i + state.animation_step) % 360;
         int sat = state.saturation;
         int brt = state.brightness;
 
-        struct led_hsb hsb = { hue, sat, brt };
+        struct led_hsb hsb = {hue, sat, brt};
 
         pixels[i] = hsb_to_rgb(hsb);
     }
@@ -146,22 +160,20 @@ static void zmk_rgb_underglow_effect_swirl()
     state.animation_step = state.animation_step % 360;
 }
 
-static void zmk_rgb_underglow_tick(struct k_work *work)
-{
-    switch (state.current_effect)
-    {
-        case UNDERGLOW_EFFECT_SOLID:
-            zmk_rgb_underglow_effect_solid();
-            break;
-        case UNDERGLOW_EFFECT_BREATHE:
-            zmk_rgb_underglow_effect_breathe();
-            break;
-        case UNDERGLOW_EFFECT_SPECTRUM:
-            zmk_rgb_underglow_effect_spectrum();
-            break;
-        case UNDERGLOW_EFFECT_SWIRL:
-            zmk_rgb_underglow_effect_swirl();
-            break;
+static void zmk_rgb_underglow_tick(struct k_work *work) {
+    switch (state.current_effect) {
+    case UNDERGLOW_EFFECT_SOLID:
+        zmk_rgb_underglow_effect_solid();
+        break;
+    case UNDERGLOW_EFFECT_BREATHE:
+        zmk_rgb_underglow_effect_breathe();
+        break;
+    case UNDERGLOW_EFFECT_SPECTRUM:
+        zmk_rgb_underglow_effect_spectrum();
+        break;
+    case UNDERGLOW_EFFECT_SWIRL:
+        zmk_rgb_underglow_effect_swirl();
+        break;
     }
 
     led_strip_update_rgb(led_strip, pixels, STRIP_NUM_PIXELS);
@@ -169,31 +181,29 @@ static void zmk_rgb_underglow_tick(struct k_work *work)
 
 K_WORK_DEFINE(underglow_work, zmk_rgb_underglow_tick);
 
-static void zmk_rgb_underglow_tick_handler(struct k_timer *timer)
-{
+static void zmk_rgb_underglow_tick_handler(struct k_timer *timer) {
     k_work_submit(&underglow_work);
 }
 
 K_TIMER_DEFINE(underglow_tick, zmk_rgb_underglow_tick_handler, NULL);
 
-static int zmk_rgb_underglow_init(struct device *_arg)
-{
-	led_strip = device_get_binding(STRIP_LABEL);
-	if (led_strip) {
-		LOG_INF("Found LED strip device %s", STRIP_LABEL);
-	} else {
-		LOG_ERR("LED strip device %s not found", STRIP_LABEL);
-		return -EINVAL;
-	}
+static int zmk_rgb_underglow_init(struct device *_arg) {
+    led_strip = device_get_binding(STRIP_LABEL);
+    if (led_strip) {
+        LOG_INF("Found LED strip device %s", STRIP_LABEL);
+    } else {
+        LOG_ERR("LED strip device %s not found", STRIP_LABEL);
+        return -EINVAL;
+    }
 
     state = (struct rgb_underglow_state){
-        hue: 0,
-        saturation: 100,
-        brightness: 100,
-        animation_speed: 3,
-        current_effect: 0,
-        animation_step: 0,
-        on: true
+        hue : 0,
+        saturation : 100,
+        brightness : 100,
+        animation_speed : 3,
+        current_effect : 0,
+        animation_step : 0,
+        on : true
     };
 
     k_timer_start(&underglow_tick, K_NO_WAIT, K_MSEC(50));
@@ -201,9 +211,9 @@ static int zmk_rgb_underglow_init(struct device *_arg)
     return 0;
 }
 
-int zmk_rgb_underglow_cycle_effect(int direction)
-{
-    if (!led_strip) return -ENODEV;
+int zmk_rgb_underglow_cycle_effect(int direction) {
+    if (!led_strip)
+        return -ENODEV;
 
     if (state.current_effect == 0 && direction < 0) {
         state.current_effect = UNDERGLOW_EFFECT_NUMBER - 1;
@@ -215,15 +225,15 @@ int zmk_rgb_underglow_cycle_effect(int direction)
     if (state.current_effect >= UNDERGLOW_EFFECT_NUMBER) {
         state.current_effect = 0;
     }
-    
+
     state.animation_step = 0;
 
     return 0;
 }
 
-int zmk_rgb_underglow_toggle()
-{
-    if (!led_strip) return -ENODEV;
+int zmk_rgb_underglow_toggle() {
+    if (!led_strip)
+        return -ENODEV;
 
     state.on = !state.on;
 
@@ -232,9 +242,8 @@ int zmk_rgb_underglow_toggle()
         k_timer_start(&underglow_tick, K_NO_WAIT, K_MSEC(50));
     } else {
 
-        for (int i=0; i<STRIP_NUM_PIXELS; i++)
-        {
-            pixels[i] = (struct led_rgb){ r: 0, g: 0, b: 0};
+        for (int i = 0; i < STRIP_NUM_PIXELS; i++) {
+            pixels[i] = (struct led_rgb){r : 0, g : 0, b : 0};
         }
 
         led_strip_update_rgb(led_strip, pixels, STRIP_NUM_PIXELS);
@@ -245,15 +254,15 @@ int zmk_rgb_underglow_toggle()
     return 0;
 }
 
-int zmk_rgb_underglow_change_hue(int direction)
-{
-    if (!led_strip) return -ENODEV;
+int zmk_rgb_underglow_change_hue(int direction) {
+    if (!led_strip)
+        return -ENODEV;
 
     if (state.hue == 0 && direction < 0) {
         state.hue = 350;
         return 0;
     }
-    
+
     state.hue += direction * CONFIG_ZMK_RGB_UNDERGLOW_HUE_STEP;
 
     if (state.hue > 350) {
@@ -263,9 +272,9 @@ int zmk_rgb_underglow_change_hue(int direction)
     return 0;
 }
 
-int zmk_rgb_underglow_change_sat(int direction)
-{
-    if (!led_strip) return -ENODEV;
+int zmk_rgb_underglow_change_sat(int direction) {
+    if (!led_strip)
+        return -ENODEV;
 
     if (state.saturation == 0 && direction < 0) {
         return 0;
@@ -280,9 +289,9 @@ int zmk_rgb_underglow_change_sat(int direction)
     return 0;
 }
 
-int zmk_rgb_underglow_change_brt(int direction)
-{
-    if (!led_strip) return -ENODEV;
+int zmk_rgb_underglow_change_brt(int direction) {
+    if (!led_strip)
+        return -ENODEV;
 
     if (state.brightness == 0 && direction < 0) {
         return 0;
@@ -297,9 +306,9 @@ int zmk_rgb_underglow_change_brt(int direction)
     return 0;
 }
 
-int zmk_rgb_underglow_change_spd(int direction)
-{
-    if (!led_strip) return -ENODEV;
+int zmk_rgb_underglow_change_spd(int direction) {
+    if (!led_strip)
+        return -ENODEV;
 
     if (state.animation_speed == 1 && direction < 0) {
         return 0;
@@ -314,6 +323,4 @@ int zmk_rgb_underglow_change_spd(int direction)
     return 0;
 }
 
-SYS_INIT(zmk_rgb_underglow_init,
-        APPLICATION,
-        CONFIG_APPLICATION_INIT_PRIORITY);
+SYS_INIT(zmk_rgb_underglow_init, APPLICATION, CONFIG_APPLICATION_INIT_PRIORITY);