48 lines
1.2 KiB
C
48 lines
1.2 KiB
C
#include "bc35_28_95_lwm2m.h"
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#include "mcu_init.h"
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#include "sal_module_wrapper.h"
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#include "cmsis_os.h"
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#define NB_IoT_TEST_TASK0_STK_SIZE 1024
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void nb_iot_demo(void);
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osThreadDef(nb_iot_demo, osPriorityNormal, 1, NB_IoT_TEST_TASK0_STK_SIZE);
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int socket_id=-1;
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#define RECV_LEN 1024
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uint8_t recv_data[RECV_LEN];
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void nb_iot_demo(void)
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{
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int recv_len = -1;
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int bc35_28_95_sal_lwm2m_init(hal_uart_port_t uart_port);
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bc35_28_95_sal_lwm2m_init(HAL_UART_PORT_0);
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socket_id = tos_sal_module_connect("49.4.85.232","5683",TOS_SAL_PROTO_UDP);
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if(socket_id!=-1){
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printf("connect to clound first time and need to report!\n");
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}
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else{
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printf("udp connect success! fd: %d\n", socket_id);
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}
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while (1) {
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tos_sal_module_send(socket_id, (const void*)"22", strlen("22"));
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recv_len = tos_sal_module_recv(socket_id, recv_data, sizeof(recv_data));
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if (recv_len < 0) {
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printf("task receive error\n");
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} else if (recv_len == 0) {
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printf("task receive none\n");
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} else {
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recv_data[recv_len] = 0;
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printf("task: receive len: %d\nmsg from remote: %s\n", recv_len, recv_data);
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}
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tos_sleep_ms(2000);
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}
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}
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void application_entry(void *arg)
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{
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osThreadCreate(osThread(nb_iot_demo), NULL);
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}
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