feat: 添加CM3/4/7的硬件与软件浮点单元构建矩阵，变更api接口为dr_*

example.c

@@ -1,7 +1,7 @@
 /**
  * @file example.c
  *
- * 调用 datarouter_send_sensor(data, len) 无需指定端口，
+ * 调用 dr_send_sensor(data, len) 无需指定端口，
  * 库自动广播到所有 send_type=sensor 的端口。
  */
 
@@ -23,51 +23,51 @@ static void can_send(uint32_t port_id, const void *data, size_t len)
     printf("[CAN  port %u] %.*s\n", port_id, (int)len, (const char *)data);
 }
 
-void datarouter_on_recv_command(uint32_t port_id, const void *data, size_t len)
+void dr_on_recv_command(uint32_t port_id, const void *data, size_t len)
 {
     printf("[RX:cmd port %u] %.*s\n", port_id, (int)len, (const char *)data);
 }
 
 int main(void)
 {
-    datarouter_init();
+    dr_init();
 
     printf("Capabilities:\n");
-    for (int i = 0; i < datarouter_send_cap_count(); i++)
+    for (int i = 0; i < dr_send_cap_count(); i++)
         printf("  SEND [%d] %s - %s\n", i,
-               datarouter_send_cap_name(i), datarouter_send_cap_desc(i));
+               dr_send_cap_name(i), dr_send_cap_desc(i));
 
     /*
      * 创建两个端口，都设 send_type=sensor，各绑不同外设。
-     * 调用 datarouter_send_sensor() 时两个端口同时触发。
+     * 调用 dr_send_sensor() 时两个端口同时触发。
      */
-    datarouter_port_t p1 = datarouter_port_create();
-    datarouter_port_set_send_type(p1, DATAROUTER_SEND_sensor);
-    datarouter_port_add_handler(p1, uart_send);
-    datarouter_port_add_handler(p1, tcp_send);
+    dr_port_t p1 = dr_port_create();
+    dr_port_set_send_type(p1, DR_SEND_sensor);
+    dr_port_add_handler(p1, uart_send);
+    dr_port_add_handler(p1, tcp_send);
 
-    datarouter_port_t p2 = datarouter_port_create();
-    datarouter_port_set_send_type(p2, DATAROUTER_SEND_sensor);
-    datarouter_port_add_handler(p2, can_send);
+    dr_port_t p2 = dr_port_create();
+    dr_port_set_send_type(p2, DR_SEND_sensor);
+    dr_port_add_handler(p2, can_send);
 
     /* 不指定端口，自动广播到所有 sensor 端口 */
     printf("\n--- send_sensor (auto-route to ALL sensor ports) ---\n");
-    datarouter_send_sensor("temperature:25.3", 16);
+    dr_send_sensor("temperature:25.3", 16);
 
     /* 运行时移除一个 handler，下次发送不再触发它 */
     printf("\n--- remove TCP handler from p1, resend ---\n");
-    datarouter_port_remove_handler(p1, tcp_send);
-    datarouter_send_sensor("temperature:26.1", 16);
+    dr_port_remove_handler(p1, tcp_send);
+    dr_send_sensor("temperature:26.1", 16);
 
     /* 接收侧：用户自行调用回调 */
     printf("\n--- recv command ---\n");
-    datarouter_on_recv_command(0, "reboot", 6);
+    dr_on_recv_command(0, "reboot", 6);
 
     /* 删除一个端口，触发时不再走它 */
     printf("\n--- delete p2 (CAN), resend ---\n");
-    datarouter_port_delete(p2);
-    datarouter_send_sensor("temperature:27.0", 16);
+    dr_port_delete(p2);
+    dr_send_sensor("temperature:27.0", 16);
 
-    datarouter_port_delete(p1);
+    dr_port_delete(p1);
     return 0;
 }