From 616aebbb4f3796c61f2cdebbf7fade8ac64dcd1f Mon Sep 17 00:00:00 2001
From: passthem <passthem183@gmail.com>
Date: Tue, 28 Oct 2025 16:44:44 +0800
Subject: [PATCH] =?UTF-8?q?=E6=9B=B4=E6=96=B0=E5=88=B0=E6=9C=80=E6=96=B0?=
 =?UTF-8?q?=E8=BF=9B=E5=BA=A6?=
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---
 src/app.c         |  8 +++-----
 src/color_utils.c | 28 ++++++++++++++++++++++------
 src/shader.c      |  9 ++++-----
 src/spi_utils.c   |  3 ++-
 4 files changed, 31 insertions(+), 17 deletions(-)

diff --git a/src/app.c b/src/app.c
index e8edab3..4599a2f 100644
--- a/src/app.c
+++ b/src/app.c
@@ -3,6 +3,7 @@
 #include <signal.h>
 #include <stdlib.h>
 #include <unistd.h>
+#include <stdio.h>
 
 #define RES_BYTES 40
 #define COLOR_BYTES 24
@@ -57,6 +58,7 @@ void submit(AppContext* ctx) {
     construct_buffer(ctx->buffer, ctx->colors, ctx->num_leds, COLOR_BYTES,
                      RES_BYTES);
     send_buffer(ctx->light_fd, ctx->buffer, ctx->data_size);
+    // printf("114\n");
 }
 
 void event_loop(AppContext* ctx) {
@@ -70,11 +72,7 @@ void event_loop(AppContext* ctx) {
 
 void exit_app(AppContext* ctx) {
     for (int i = 0; i < ctx->num_leds; i++) {
-        if (i == 0) {
-            ctx->colors[i] = hex_to_color(0xFFFFFF);
-        } else {
-            ctx->colors[i] = hex_to_color(0x000000);
-        }
+        ctx->colors[i] = hex_to_color(0x000000);
     }
 
     submit(ctx);
diff --git a/src/color_utils.c b/src/color_utils.c
index af934a8..9c53c92 100644
--- a/src/color_utils.c
+++ b/src/color_utils.c
@@ -2,6 +2,9 @@
 #include <math.h>
 #include <string.h>
 
+#define DATA_HIGH    0b00011111
+#define DATA_LOW     0b00000011
+
 Color hex_to_color(int hex) {
     Color color;
 
@@ -60,15 +63,27 @@ Color hsv_to_color(double h, double s, double v) {
     return color;
 }
 
+Color fix_color(const Color color) {
+    Color result;
+
+    result.r = color.r * color.r / 0xff;
+    result.g = color.g * color.g * 0x88 / 0xff / 0xff;
+    result.b = color.b * color.b * 0x66 / 0xff / 0xff;
+
+    return result;
+}
+
 void set_color(uint8_t* buffer, const Color color) {
-    for (int i = 7; i >= 0; i--)
-        *buffer++ = (color.g & (1 << i)) ? 0b11111000 : 0b10000000;
+    // *buffer++ = 0x00;
 
     for (int i = 7; i >= 0; i--)
-        *buffer++ = (color.r & (1 << i)) ? 0b11111000 : 0b10000000;
+        *buffer++ = (color.g & (1 << i)) ? DATA_HIGH : DATA_LOW;
 
     for (int i = 7; i >= 0; i--)
-        *buffer++ = (color.b & (1 << i)) ? 0b11111000 : 0b10000000;
+        *buffer++ = (color.r & (1 << i)) ? DATA_HIGH : DATA_LOW;
+
+    for (int i = 7; i >= 0; i--)
+        *buffer++ = (color.b & (1 << i)) ? DATA_HIGH : DATA_LOW;
 }
 
 int construct_buffer(uint8_t* buffer,
@@ -79,7 +94,8 @@ int construct_buffer(uint8_t* buffer,
     const int data_size = num_leds * color_bytes + res_bytes;
     memset(buffer, 0, data_size);
     for (int i = 0; i < num_leds; i++) {
-        set_color(buffer + i * color_bytes, colors[i]);
+        // set_color(buffer + i * color_bytes, colors[i]);
+        set_color(buffer + i * color_bytes, fix_color(colors[i]));
     }
     return data_size;
-}
\ No newline at end of file
+}
diff --git a/src/shader.c b/src/shader.c
index e2f4166..c4015da 100644
--- a/src/shader.c
+++ b/src/shader.c
@@ -1,3 +1,5 @@
+#include <math.h>
+
 #include "shader.h"
 
 void init_status(Status* status) {
@@ -7,15 +9,12 @@ void init_status(Status* status) {
 }
 
 Color shader(Status* status) {
-    if (status->index == 0) {
-        return hex_to_color(0xFFFFFF);
-    }
-
     switch (status->mode) {
         case LIGHT_MODE_RAINBOW:
             return hsv_to_color(status->time * 120 + status->index * 6, 1, 1);
+	    // return hsv_to_color(60, 1, 0.2);
 
         default:
             return hex_to_color(0xFFFFFF);
     }
-}
\ No newline at end of file
+}
diff --git a/src/spi_utils.c b/src/spi_utils.c
index 2476911..3900881 100644
--- a/src/spi_utils.c
+++ b/src/spi_utils.c
@@ -9,6 +9,7 @@
 const uint8_t spi_mode = SPI_MODE_0;
 const uint8_t spi_bits = 8;
 const uint32_t spi_speed = 6400000;
+// const uint32_t spi_speed=6400;
 
 int init_device(const char* device) {
     int fd;
@@ -43,4 +44,4 @@ int send_buffer(int fd, uint8_t* buffer, const int data_size) {
     }
 
     return ret;
-}
\ No newline at end of file
+}