4、CC2541芯片中级教程-OSAL操作系统（简单AT指令实现+IIC软件和硬件实现驱动MPU6050）

 1 // AT 命令处理 函数
 2 bool simpleBLE_AT_CMD_Handle(uint8 * pBuffer, uint16 length)
 3 {
 4     bool ret = TRUE;
 5     char strTemp[64];
 6 
 7     // 1、测试
 8     if((length == 4) && str_cmp(pBuffer, "AT\r\n", 4))//AT
 9     {
10         sprintf(strTemp, "OK\r\n");
11         NPI_WriteTransport((uint8 * )strTemp, osal_strlen(strTemp));
12     }
13     // 2、设置LED1的亮灭
14     else if((length == 9) && str_cmp(pBuffer, "AT+LED", 6))
15     {
16         /*
17         Para: 0 ~ 1
18         AT+LED0\r\n: 关灯
19         AT+LED1\r\n: 开灯
20         Default: 0
21         */
22         switch(pBuffer[6])
23         {
24         case ‘?‘:
25             sprintf(strTemp, "OK+Get:%d\r\n", g_LED1);
26             NPI_WriteTransport((uint8 * )strTemp, osal_strlen(strTemp));
27             break;
28         case ‘0‘:
29             g_LED1 = 0;
30             HalLedSet(HAL_LED_1, HAL_LED_MODE_OFF);      // 关闭led1
31             sprintf(strTemp, "OK+Set0\r\n");
32             NPI_WriteTransport((uint8 * )strTemp, osal_strlen(strTemp));
33             break;
34         case ‘1‘:
35             g_LED1 = 1;
36             HalLedSet(HAL_LED_1, HAL_LED_MODE_ON);      // 点亮led1
37             sprintf(strTemp, "OK+Set1\r\n");
38             NPI_WriteTransport((uint8 * )strTemp, osal_strlen(strTemp));
39             break;
40         default:
41             ret = FALSE;
42             break;
43         }
44     }
45     else
46     {
47         sprintf(strTemp, "ERROR\r\n");
48         NPI_WriteTransport((uint8 * )strTemp, osal_strlen(strTemp));
49 
50         ret = FALSE;
51     }
52 
53     return ret;
54 }