针脚及其交叉编译命令

todo.md

@@ -30,3 +30,34 @@ echo 0 | sudo tee /sys/class/graphics/fb0/blank
 ```bash
 ffplay -autoexit -fs -i video.mp4
 ```
+
+### 编译 arm64 架构
+```bash
+CC=aarch64-linux-gnu-gcc CGO_ENABLED=1 GOOS=linux GOARCH=arm64 go build -o game-driver-arm64 .
+```
+
+### J8引脚
+```bash
+J8:
+   3V3  (1) (2)  5V    
+ GPIO2  (3) (4)  5V    
+ GPIO3  (5) (6)  GND   
+ GPIO4  (7) (8)  GPIO14
+   GND  (9) (10) GPIO15
+GPIO17 (11) (12) GPIO18
+GPIO27 (13) (14) GND   
+GPIO22 (15) (16) GPIO23
+   3V3 (17) (18) GPIO24
+GPIO10 (19) (20) GND   
+ GPIO9 (21) (22) GPIO25
+GPIO11 (23) (24) GPIO8 
+   GND (25) (26) GPIO7 
+ GPIO0 (27) (28) GPIO1 
+ GPIO5 (29) (30) GND   
+ GPIO6 (31) (32) GPIO12
+GPIO13 (33) (34) GND   
+GPIO19 (35) (36) GPIO16
+GPIO26 (37) (38) GPIO20
+   GND (39) (40) GPIO21
+```
+