【BearPi-Pico H3863星闪开发板体验连载】星闪超低功耗SLE串口透传server端发代码控制Client端蓝色LED

星闪（NearLink），中国原生的新一代无线短距通信技术。面向万物互联时代，星闪引入关键技术和创新理念，赋予智能终端新的连接方式。与传统短距传输技术方案相比，星闪在功耗、速度、覆盖范围和连接性能全面领先，可以在智能终端、智能家居、智能汽车、智能制造等各类细分场景下实现更极致的用户体验

• 准备2块BearPi-Pico H3863开发板

SLE UART Server端：

点击工具栏中的“系统配置”,打开配置界面.

选择Enable SLE UART Server sample

Application --->
[] Enable Sample.
[ ] Enable the Sample of peripheral.
[] Enable the Sample of products.
[ ] Enable all the sample of product, it's just for build.
[ ] Support BLE UART sample.
[*] Support SLE UART sample.
SLE UART Sample Configuration --->
Select sle uart type (Enable SLE UART Server sample.) --->
(X) Enable SLE UART Server sample.
( ) Enable SLE UART Client sample.

按下"Save"键保存配置。

关键代码，位于application\samples\products\sle_uart\sle_uart.c中

static void ssaps_server_write_request_cbk(uint8_t server_id, uint16_t conn_id, ssaps_req_write_cb_t *write_cb_para,

errcode_t status)

{

osal_printk("%s ssaps write request callback cbk server_id:%x, conn_id:%x, handle:%x, status:%x\\r\\n",

SLE_UART_SERVER_LOG, server_id, conn_id, write_cb_para->handle, status);

if ((write_cb_para->length > 0) && write_cb_para->value) {

osal_printk("\\n sle uart recived data : %s\\r\\n", write_cb_para->value);

uapi_uart_write(CONFIG_SLE_UART_BUS, (uint8_t *)write_cb_para->value, write_cb_para->length, 0); //将服务端接收到的数据通过UART发送出来

}

}

static void sle_uart_server_read_int_handler(const void *buffer, uint16_t length, bool error)

{

unused(error);

if (sle_uart_client_is_connected()) {

#ifdef CONFIG_SAMPLE_SUPPORT_LOW_LATENCY_TYPE

g_buff_data_valid = 1;

g_uart_buff_len = 0;

(void)memcpy_s(g_buff, SLE_UART_SERVER_SEND_BUFF_MAX_LEN, buffer, length);

g_uart_buff_len = length;

#else

sle_uart_server_send_report_by_handle(buffer, length);                          //将UART中断回调接收到的数据发送给客户端

#endif

} else {

osal_printk("%s sle client is not connected! \\r\\n", SLE_UART_SERVER_LOG);

}

}

static void *sle_uart_server_task(const char *arg)

{

sle_uart_server_init(ssaps_server_read_request_cbk, ssaps_server_write_request_cbk);    //初始化服务端并注册接收中断回调

...

errcode_t ret = uapi_uart_register_rx_callback(CONFIG_SLE_UART_BUS,                     //注册UART中断回调

UART_RX_CONDITION_FULL_OR_SUFFICIENT_DATA_OR_IDLE,

1, sle_uart_server_read_int_handler);

}

在

application\samples\products\sle_uart\sle_uart_server\sle_uart_server.c文件static void sle_pair_complete_cbk(uint16_t conn_id, const sle_addr_t *addr, errcode_t status)函数中增加：

if (status == ERRCODE_SUCC) {

example_led_control_entry();

}

在

application\samples\products\sle_uart\sle_uart_server\sle_uart_server.c文件`增加

/**

* @if Eng
* [url=home.php?mod=space&uid=2666770]@Brief[/url]  LED Control type.
* @else
* @brief  LED控制类型。
* @endif
  */
  
  typedef enum {
  
  EXAMPLE_CONTORL_LED_EXIT = 0x00,              /* !< @if Eng Exit LED Control Demo
  
  [url=home.php?mod=space&uid=1109403]@else[/url]   退出LED控制演示   */
  
  EXAMPLE_CONTORL_LED_MAINBOARD_LED_ON = 0x01,  /* !< @if Eng Turn on the LED on MainBoard
  
  @else   打开主板上的LED [url=home.php?mod=space&uid=1674106]@endif[/url]  */
  
  EXAMPLE_CONTORL_LED_MAINBOARD_LED_OFF = 0x02, /* !< @if Eng Turn off the LED on MainBoard
  
  @else   关闭主板上的LED @endif  */
  
  EXAMPLE_CONTORL_LED_MAINBOARD_LED_blinky = 0x03,  /* !< @if Eng Turn on the RED LED on LED Board
  
  @else   打开主板上的LED blinky@endif */

} example_control_led_type_t;

#define LED_CONTROL_TASK_STACK_SIZE 0x1000

#define LED_CONTROL_TASK_PRIO (osPriority_t)(17)

static int example_led_control_task(const char *arg)

{

unused(arg);

// errcode_t ret = 0;

example_control_led_type_t last_led_operation = EXAMPLE_CONTORL_LED_MAINBOARD_LED_blinky;

PRINT("[SLE Server] start led control task\\r\\n");

while (1)

{

(void)osal_msleep(5000);

if (last_led_operation == EXAMPLE_CONTORL_LED_MAINBOARD_LED_blinky) {

uint8_t write_req_data[] = { 'L', 'E', 'D', ' *', 'O', 'N'};

example_sle_server_send_notify_by_handle(write_req_data, sizeof(write_req_data));

last_led_operation = EXAMPLE_CONTORL_LED_MAINBOARD_LED_ON;} else if (last_led_operation == EXAMPLE_CONTORL_LED_MAINBOARD_LED_ON) {uint8_t write_req_data[] = { 'L', 'E', 'D', '* ', 'O', 'F', 'F'};example_sle_server_send_notify_by_handle(write_req_data, sizeof(write_req_data));

last_led_operation = EXAMPLE_CONTORL_LED_MAINBOARD_LED_OFF;} else if (last_led_operation == EXAMPLE_CONTORL_LED_MAINBOARD_LED_OFF) {uint8_t write_req_data[] = { 'L', 'E', 'D', '_', 'B', 'L'};example_sle_server_send_notify_by_handle(write_req_data, sizeof(write_req_data));last_led_operation = EXAMPLE_CONTORL_LED_MAINBOARD_LED_blinky;}

}

return 0;

}

static void example_led_control_entry(void)

{

osal_task *task_handle = NULL;

osal_kthread_lock();

task_handle = osal_kthread_create((osal_kthread_handler)example_led_control_task, 0, "LedControlTask",

LED_CONTROL_TASK_STACK_SIZE);

if (task_handle != NULL) {

osal_kthread_set_priority(task_handle, LED_CONTROL_TASK_PRIO);

osal_kfree(task_handle);

}

osal_kthread_unlock();

}

编译操作：

-------------------Load Sections:--------------------

INFO:root:section_name                            section_size

INFO:root:startup                                 424

INFO:root:.sysintcall.init                        52

INFO:root:.patch                                  2344

INFO:root:.rom_ram_cb_text                        1816

INFO:root:.plat_romdata                           212

INFO:root:.wifi_romdata                           98

INFO:root:.btc_romdata                            672

INFO:root:.btc_text_tcm                           7206

INFO:root:.patch_on_tcm                           1528

INFO:root:.btc_data_tcm                           57

INFO:root:.wifi_data_tcm                          3408

INFO:root:.plat_text_sram                         10884

INFO:root:.patch_on_sram                          2520

INFO:root:.plat_text_flash                        177004

INFO:root:.wifi_text_flash                        585302

INFO:root:.patch_on_flash                         1908

INFO:root:.btc_text_flash                         131560

INFO:root:.bth_text_flash                         231140

INFO:root:.radar_text_flash                       32012

INFO:root:.radar_ai_text_flash                    5868

INFO:root:.text                                   42040

INFO:root:.btc_data_flash                         4896

INFO:root:.bth_data_flash                         2364

INFO:root:.data                                   380

INFO:root:total_size:                             1245695

INFO:root:------------------------------------------------------

INFO:root:++++++++++++++++++++++++++++++end buildAnalyzer++++++++++++++++++++++++++++++

project analysis Done!

================================ [SUCCESS] Took 109.83 seconds ================================

* 终端将被任务重用，按任意键关闭。

写入server 端星闪开发板
Client 端:

点击工具栏中的“系统配置”,打开配置界面.

选择Enable SLE UART Client sample

Application --->
[] Enable Sample.
[ ] Enable the Sample of peripheral.
[] Enable the Sample of products.
[ ] Enable all the sample of product, it's just for build.
[ ] Support BLE UART sample.
[*] Support SLE UART sample.
SLE UART Sample Configuration --->
Select sle uart type (Enable SLE UART Server sample.) --->
() Enable SLE UART Server sample.
(X ) Enable SLE UART Client sample.

按下"Save"键保存配置。

关键代码，位于application\samples\products\sle_uart\sle_uart.c中

void sle_uart_notification_cb(uint8_t client_id, uint16_t conn_id, ssapc_handle_value_t *data,

errcode_t status)

{

unused(client_id);

unused(conn_id);

unused(status);

osal_printk("\\n sle uart recived data : %s\\r\\n", data->data);

uapi_uart_write(CONFIG_SLE_UART_BUS, (uint8_t *)(data->data), data->data_len, 0);       //将客户端接收到的数据通过UART发送出来

}

void sle_uart_indication_cb(uint8_t client_id, uint16_t conn_id, ssapc_handle_value_t *data,

errcode_t status)

{

unused(client_id);

unused(conn_id);

unused(status);

osal_printk("\\n sle uart recived data : %s\\r\\n", data->data);

uapi_uart_write(CONFIG_SLE_UART_BUS, (uint8_t *)(data->data), data->data_len, 0);

}

static void sle_uart_client_read_int_handler(const void *buffer, uint16_t length, bool error)

{

unused(error);

ssapc_write_param_t *sle_uart_send_param = get_g_sle_uart_send_param();

uint16_t g_sle_uart_conn_id = get_g_sle_uart_conn_id();

sle_uart_send_param->data_len = length;

sle_uart_send_param->data = (uint8_t *)buffer;

ssapc_write_req(0, g_sle_uart_conn_id, sle_uart_send_param);            //将UART中断回调接收到的数据发送给服务端

}

static void *sle_uart_client_task(const char *arg)

{

unused(arg);

/* UART pinmux. */

uart_init_pin();

/* UART init config. */

uart_init_config();

uapi_uart_unregister_rx_callback(CONFIG_SLE_UART_BUS);

errcode_t ret = uapi_uart_register_rx_callback(CONFIG_SLE_UART_BUS,             //注册UART中断回调

UART_RX_CONDITION_FULL_OR_SUFFICIENT_DATA_OR_IDLE,

1, sle_uart_client_read_int_handler);

sle_uart_client_init(sle_uart_notification_cb, sle_uart_indication_cb);         //初始化客户端并注册接收中断回调

if (ret != ERRCODE_SUCC) {

osal_printk("Register uart callback fail.");

return NULL;

}

return NULL;

}

在application\samples\products\sle_uart\sle_uart.c

文件 void sle_uart_notification_cb(uint8_t client_id, uint16_t conn_id, ssapc_handle_value_t *data,errcode_t status)`函数中增加：

if (data->data_len == strlen("LED_ON") && data->data[0] == 'L' && data->data[1] =='E'  && data->data[2] ==  'D' &&

data->data[3] == '_' && data->data[4] == 'O' && data->data[5] == 'N' ) {

last_led_operation = EXAMPLE_CONTORL_LED_MAINBOARD_LED_ON;

}

if (data->data_len == strlen("LED_OFF") && data->data[0] == 'L' && data->data[1] =='E'  && data->data[2] ==  'D' &&

data->data[3] == '_' && data->data[4] == 'O' && data->data[5] == 'F' && data->data[6] == 'F'  ) {

last_led_operation = EXAMPLE_CONTORL_LED_MAINBOARD_LED_OFF;

}

if (data->data_len == strlen("LED_ON") && data->data[0] == 'L' && data->data[1] =='E'  && data->data[2] ==  'D' &&

data->data[3] == '_' && data->data[4] == 'B' && data->data[5] == 'L' ) {

last_led_operation = EXAMPLE_CONTORL_LED_MAINBOARD_LED_blinky;

}

在
在application\samples\products\sle_uart\sle_uart.c

文件 #elif defined(CONFIG_SAMPLE_SUPPORT_SLE_UART_CLIENT)之后
增加：

/**

* @if Eng
* @brief  LED Control type.
* @else
* @brief  LED控制类型。
* @endif
  */
  
  typedef enum {
  
  EXAMPLE_CONTORL_LED_EXIT = 0x00,              /* !< @if Eng Exit LED Control Demo
  
  @else   退出LED控制演示   */
  
  EXAMPLE_CONTORL_LED_MAINBOARD_LED_ON = 0x01,  /* !< @if Eng Turn on the LED on MainBoard
  
  @else   打开主板上的LED @endif  */
  
  EXAMPLE_CONTORL_LED_MAINBOARD_LED_OFF = 0x02, /* !< @if Eng Turn off the LED on MainBoard
  
  @else   关闭主板上的LED @endif  */
  
  EXAMPLE_CONTORL_LED_MAINBOARD_LED_blinky = 0x03,  /* !< @if Eng Turn on the RED LED on LED Board
  
  @else   打开主板上的LED blinky@endif */

} example_control_led_type_t;

#define LED_CONTROL_TASK_STACK_SIZE 0x1000

#define LED_CONTROL_TASK_PRIO (osPriority_t)(17)

example_control_led_type_t last_led_operation = EXAMPLE_CONTORL_LED_EXIT;

选择案例：点击工具栏中的“系统配置”选项,选择Application目录，勾选“Enable Sample”、“Enable the Sample of peripheral”以及需要要编译的BLINK，并保存。

在application\samples\peripheral\blinky\blinky_cmsis.c文件中 while (1) {下面变更为如下程序：

if(last_led_operation&1){uapi_gpio_set_val(CONFIG_BLINKY_PIN, GPIO_LEVEL_HIGH);}

else {uapi_gpio_set_val(CONFIG_BLINKY_PIN, GPIO_LEVEL_LOW);}osal_msleep(CONFIG_BLINKY_DURATION_MS);if(last_led_operation==1){uapi_gpio_set_val(CONFIG_BLINKY_PIN, GPIO_LEVEL_HIGH);}else {uapi_gpio_set_val(CONFIG_BLINKY_PIN, GPIO_LEVEL_LOW);}osal_msleep(CONFIG_BLINKY_DURATION_MS);printf("Test BLINKY\\r\\n");//PRINT("Test BLINKY\\r\\n");write("BLINKY");  print（）;i++;if(i>10){i=0;osal_printk("Hello BearPi!  %d \\r\\n",i);}``````
程序前加入

`extern volatile example_control_led_type_t last_led_operation;```

编译操作：

NFO:root:--------------------Load Sections:--------------------

INFO:root:section_name                            section_size

INFO:root:startup                                 428

INFO:root:.sysintcall.init                        52

INFO:root:.patch                                  2344

INFO:root:.rom_ram_cb_text                        1816

INFO:root:.plat_romdata                           212

INFO:root:.wifi_romdata                           98

INFO:root:.btc_romdata                            672

INFO:root:.btc_text_tcm                           7206

INFO:root:.patch_on_tcm                           1528

INFO:root:.btc_data_tcm                           57

INFO:root:.wifi_data_tcm                          3408

INFO:root:.plat_text_sram                         10884

INFO:root:.patch_on_sram                          2520

INFO:root:.plat_text_flash                        177108

INFO:root:.wifi_text_flash                        585302

INFO:root:.patch_on_flash                         1908

INFO:root:.btc_text_flash                         131560

INFO:root:.bth_text_flash                         233004

INFO:root:.radar_text_flash                       32012

INFO:root:.radar_ai_text_flash                    5868

INFO:root:.text                                   42040

INFO:root:.btc_data_flash                         4896

INFO:root:.bth_data_flash                         2372

INFO:root:.data                                   380

INFO:root:total_size:                             1247675

INFO:root:------------------------------------------------------

INFO:root:++++++++++++++++++++++++++++++end buildAnalyzer++++++++++++++++++++++++++++++

project analysis Done!

================================ [SUCCESS] Took 178.29 seconds ================================```

• 终端将被任务重用，按任意键关闭。

写入Client端

先开server端电再开Client端电

Client端