chore: 导入 Simba-OmniInfantry 基线(云台/底盘双工程)

- 云台(ROBOT_TYPE_GIMBAL)与底盘(ROBOT_TYPE_CHASSIS)完整固件源码
- 新增根级 .gitignore,排除 Keil MDK-ARM 构建产物(.o/.d/.crf/.axf/.lnp/.map/.htm/.sct/.dep/.iex/.lst 等)
  与 *.uvguix.* / DebugConfig/(与机器绑定的 UI 布局)
- core.autocrlf=false,避免固件源码在检出时被改动换行符

底盘/Bsp/Src/bsp_uart.c

@@ -0,0 +1,24 @@
+#include "bsp_uart.h"
+
+/**
+ * @brief 使用uart发送数据
+ * @param huart 
+ * @param pData 
+ * @param Size 
+ * @param Timeout 
+ * @return 
+ */
+UartSendState_e UartSendTxMessage(
+    UART_HandleTypeDef * huart, uint8_t * pData, uint16_t Size, uint32_t Timeout)
+{
+    uint8_t cnt = 5;  //最大重发次数
+    HAL_StatusTypeDef status = HAL_UART_Transmit(huart, pData, Size, Timeout);
+    while (cnt-- && status != HAL_OK) {
+        status = HAL_UART_Transmit(huart, pData, Size, Timeout);
+    }
+
+    if (status == HAL_OK) {
+        return UART_SEND_OK;
+    }
+    return UART_SEND_FAIL;
+}