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app_RAK4200.c
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app_RAK4200.c
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#include "rui.h"
#include "board.h"
/* User Code */
void lora_send_subcontract(void);
/*!
* User sleep timer related variables.
*/
TimerEvent_t user_sleep_timer; // Timer instance.
uint32_t join_interval = 10; // If the join fails, the retry interval, in seconds.
uint32_t send_interval = 20; // Data sending interval time, in seconds.
bool sleep_enable = false; // Sleep enable flag.
/*!
* loop function enable flag.
*/
bool loop_enable = true;
/*!
* Data parameters of Subcontracting
*/
uint8_t AppPort = 2;
uint8_t AppData[256] = {0};
uint8_t AppLen = 0;
/*!
* Long packet data parameters
*/
uint8_t lp_data[1024];
uint32_t lp_len = 1024;
/*!
* Packet transfer parameter structure
*/
typedef struct _LoRaPacket_LHDR_s{
uint8_t LType : 1; // 0 - fixed length, 1 - variable length
uint8_t RetryFlag : 1; // 0 - normal packet, 1 - the current packet is a retransmission packet
uint8_t RSV : 6; // Reserved
} __attribute__ ((packed)) LHDR_st;
typedef struct {
LHDR_st header; // LHDR_st
uint8_t magic; // A random data
uint8_t fcnt; // Total number of subcontracting
uint8_t fser; // Current number of packets to be subcontracted
uint8_t fdata_len; // Data filed length in current packet
uint8_t *pdata; // Data buffer pointer
uint32_t data_total_len; // Total data length
uint32_t data_finish_len; // The length of the data sent in the total data
uint32_t data_packet_len; // Maximum length of data field in single packet
}LP_State_st;
LP_State_st lp_state;
void lora_join_callback(uint32_t status)
{
loop_enable = true;
if (status)
rui_timer_setvalue(&user_sleep_timer, send_interval*1000);
else
sleep_enable = true; // If join fails, go to sleep.
}
void lora_send_callback(RUI_RETURN_STATUS status)
{
if (RUI_STATUS_OK == status)
{
if (0 == lp_state.fcnt)
{
// If the transmission is completed, it goes to sleep.
loop_enable = true;
sleep_enable = true; // After the data is sent, go to sleep.
}
else
{
// If the transmission is successful, send the next packet.
lp_state.header.RetryFlag = 0;
lp_state.fser++;
lp_state.data_finish_len += lp_state.fdata_len;
lora_send_subcontract();
}
}
else
{ // If the transmission is fails, resend the current packet
lp_state.header.RetryFlag = 1;
lora_send_subcontract();
}
}
void user_sleep_timer_callback(void)
{
loop_enable = true;
}
void lora_send_subcontract(void)
{
uint32_t data_offset, data_remain_len;
uint8_t dr;
uint16_t payload_len;
memset(AppData, 0x00, sizeof(AppData));
AppLen = 0;
rui_lora_get_dr(&dr, &payload_len);
if (payload_len > 200) payload_len -= 20;
lp_state.data_packet_len = payload_len - 6;
if (lp_state.data_total_len <= lp_state.data_packet_len)
{
lp_state.fcnt = 0;
data_offset = 0;
lp_state.fdata_len = lp_state.data_total_len;
}
else
{
data_remain_len = lp_state.data_total_len - lp_state.data_finish_len;
lp_state.fcnt = data_remain_len / lp_state.data_packet_len;
if (0 != (data_remain_len % lp_state.data_packet_len))
lp_state.fcnt++;
lp_state.fcnt--;
data_offset = lp_state.data_finish_len;
lp_state.fdata_len = data_remain_len < lp_state.data_packet_len ? data_remain_len : lp_state.data_packet_len;
}
AppData[AppLen++] = *(uint8_t *)&lp_state.header;
AppData[AppLen++] = lp_state.magic;
AppData[AppLen++] = lp_state.fcnt;
AppData[AppLen++] = lp_state.fser;
AppData[AppLen++] = lp_state.fdata_len;
memcpy(AppData+AppLen, &lp_state.pdata[data_offset], lp_state.fdata_len);
AppLen += lp_state.fdata_len;
// FCS
for (uint8_t i=0; i<AppLen; i++)
AppData[AppLen] += AppData[i];
AppLen++;
RUI_RETURN_STATUS ret_code = rui_lora_send(AppPort, AppData, AppLen);
if (RUI_STATUS_OK != ret_code)
{
RUI_LOG_PRINTF("LoRa send error, error code %d\r\n", ret_code);
}
}
void lora_send_long_packet(uint8_t *pdata, uint16_t len)
{
lp_state.header.RetryFlag = 0;
lp_state.header.LType = 1;
lp_state.magic = HAL_GetTick(); // Radom
lp_state.fser = 1;
lp_state.pdata = pdata;
lp_state.data_finish_len = 0;
lp_state.data_total_len = len;
lora_send_subcontract();
}
void setup(void)
{
rui_timer_init(&user_sleep_timer, user_sleep_timer_callback);
rui_timer_setvalue(&user_sleep_timer, join_interval*1000);
// Initialize long packet data for testing
for (uint32_t i=0; i<sizeof(lp_data); i++)
lp_data[i] = i;
}
void loop(void)
{
RUI_RETURN_STATUS ret_code;
RUI_LORA_STATUS_T user_lora_status; //record status
if (loop_enable != true)
return ;
loop_enable = false;
if (sleep_enable)
{
/* Device go to sleep */
rui_timer_start(&user_sleep_timer);
rui_device_sleep(1); // go to sleep
sleep_enable = false;
}
else
{
rui_lora_get_status(false, &user_lora_status);
if (user_lora_status.IsJoined == false)
{
/* Join the network */
RUI_LOG_PRINTF("Start join...\r\n");
ret_code = rui_lora_join();
if (ret_code != RUI_STATUS_OK)
{
RUI_LOG_PRINTF("Error code is 0x%X\r\n", ret_code);
rui_timer_start(&user_sleep_timer); // If join fails, start the timer and wait for the next join.
}
else
{
if (user_lora_status.join_mode == RUI_ABP)
LoRaWANJoined_callback(1);
}
}
else
{
/* Send LoRa data */
AppPort = 2;
AppData[0]++;
AppLen = 1;
RUI_LOG_PRINTF("Send data\r\n");
lora_send_long_packet(lp_data, lp_len);
}
}
}
/* End User Code */
/*******************************************************************************************
* LoRaMac callback functions
* * void LoRaReceive_callback(RUI_RECEIVE_T* Receive_datapackage);//LoRaWAN callback if receive data
* * void LoRaP2PReceive_callback(RUI_LORAP2P_RECEIVE_T *Receive_P2Pdatapackage);//LoRaP2P callback if receive data
* * void LoRaWANJoined_callback(uint32_t status);//LoRaWAN callback after join server request
* * void LoRaWANSendsucceed_callback(RUI_MCPS_T status);//LoRaWAN call back after send data complete
* *****************************************************************************************/
void LoRaReceive_callback(RUI_RECEIVE_T* Receive_datapackage)
{
char hex_str[3] = {0};
RUI_LOG_PRINTF("at+recv=%d,%d,%d,%d", Receive_datapackage->Port, Receive_datapackage->Rssi, Receive_datapackage->Snr, Receive_datapackage->BufferSize);
if ((Receive_datapackage->Buffer != NULL) && Receive_datapackage->BufferSize) {
RUI_LOG_PRINTF(":");
for (int i = 0; i < Receive_datapackage->BufferSize; i++) {
sprintf(hex_str, "%02x", Receive_datapackage->Buffer[i]);
RUI_LOG_PRINTF("%s", hex_str);
}
}
RUI_LOG_PRINTF("\r\n");
}
void LoRaP2PReceive_callback(RUI_LORAP2P_RECEIVE_T *Receive_P2Pdatapackage)
{
char hex_str[3]={0};
RUI_LOG_PRINTF("at+recv=%d,%d,%d:", Receive_P2Pdatapackage -> Rssi, Receive_P2Pdatapackage -> Snr, Receive_P2Pdatapackage -> BufferSize);
for(int i=0;i < Receive_P2Pdatapackage -> BufferSize; i++)
{
sprintf(hex_str, "%02X", Receive_P2Pdatapackage -> Buffer[i]);
RUI_LOG_PRINTF("%s",hex_str);
}
RUI_LOG_PRINTF("\r\n");
}
void LoRaWANJoined_callback(uint32_t status)
{
/* User Code */
lora_join_callback(status);
/* End User Code */
if(status) //Join Success
{
RUI_LOG_PRINTF("OK Join Success\r\n");
}else
{
RUI_LOG_PRINTF("ERROR: %d\r\n",RUI_AT_LORA_INFO_STATUS_JOIN_FAIL);
}
}
void LoRaWANSendsucceed_callback(RUI_MCPS_T mcps_type,RUI_RETURN_STATUS status)
{
/* User Code */
lora_send_callback(status);
/* End User Code */
if(status == RUI_STATUS_OK)
{
switch( mcps_type )
{
case RUI_MCPS_UNCONFIRMED:
{
RUI_LOG_PRINTF("OK\r\n");
break;
}
case RUI_MCPS_CONFIRMED:
{
RUI_LOG_PRINTF("OK\r\n");
break;
}
case RUI_MCPS_PROPRIETARY:
{
RUI_LOG_PRINTF("OK\r\n");
break;
}
case RUI_MCPS_MULTICAST:
{
RUI_LOG_PRINTF("OK\r\n");
break;
}
default:
break;
}
}
else if(status != RUI_AT_LORA_INFO_STATUS_ADDRESS_FAIL)
{
RUI_LOG_PRINTF("ERROR: %d\r\n",status);
}
}
void LoRaP2PSendsucceed_callback(void)
{
RUI_LOG_PRINTF("OK \r\n");
}
/*******************************************************************************************
* If the uart is in RUI_UART_USER mode, this interface will be called.
*
* *****************************************************************************************/
void rui_uart_recv(RUI_UART_DEF uart_def, uint8_t *pdata, uint16_t len)
{
switch(uart_def)
{
case RUI_UART1:
break;
case RUI_UART2:
break;
}
}
/*******************************************************************************************
* sleep and wakeup callback
*
* *****************************************************************************************/
void bsp_sleep(void)
{
/*****************************************************************************
* user process code before enter sleep
******************************************************************************/
}
void bsp_wakeup(void)
{
/*****************************************************************************
* user process code after exit sleep
******************************************************************************/
}
/*******************************************************************************************
* the app_main function
* *****************************************************************************************/
void main(void)
{
RUI_LORA_STATUS_T app_lora_status;
rui_init();
/*******************************************************************************************
* Register LoRaMac callback function
*
* *****************************************************************************************/
rui_lora_register_recv_callback(LoRaReceive_callback);
rui_lorap2p_register_recv_callback(LoRaP2PReceive_callback);
rui_lorajoin_register_callback(LoRaWANJoined_callback);
rui_lorasend_complete_register_callback(LoRaWANSendsucceed_callback);
rui_lorap2p_complete_register_callback(LoRaP2PSendsucceed_callback);
/*******************************************************************************************
* Register Sleep and Wakeup callback function
*
* *****************************************************************************************/
rui_sensor_register_callback(bsp_wakeup, bsp_sleep);
/*******************************************************************************************
* Obtain status information and print.
*
* *****************************************************************************************/
rui_lora_get_status(false, &app_lora_status);
switch(app_lora_status.work_mode)
{
case RUI_LORAWAN:
RUI_LOG_PRINTF("Current work_mode:LoRaWAN,");
if(app_lora_status.join_mode == RUI_OTAA)
{
RUI_LOG_PRINTF(" join_mode:OTAA,");
if(app_lora_status.MulticastEnable)
{
RUI_LOG_PRINTF(" MulticastEnable:true.\r\n");
}
else
{
RUI_LOG_PRINTF(" MulticastEnable: false,");
switch(app_lora_status.class_status)
{
case RUI_CLASS_A:RUI_LOG_PRINTF(" Class: A\r\n");
break;
case RUI_CLASS_B:RUI_LOG_PRINTF(" Class: B\r\n");
break;
case RUI_CLASS_C:RUI_LOG_PRINTF(" Class: C\r\n");
break;
default:break;
}
}
}
else if(app_lora_status.join_mode == RUI_ABP)
{
RUI_LOG_PRINTF(" join_mode:ABP,");
if(app_lora_status.MulticastEnable)
{
RUI_LOG_PRINTF(" MulticastEnable:true.\r\n");
}
else
{
RUI_LOG_PRINTF(" MulticastEnable: false,");
switch(app_lora_status.class_status)
{
case RUI_CLASS_A:RUI_LOG_PRINTF(" Class: A\r\n");
break;
case RUI_CLASS_B:RUI_LOG_PRINTF(" Class: B\r\n");
break;
case RUI_CLASS_C:RUI_LOG_PRINTF(" Class: C\r\n");
break;
default:break;
}
}
}
break;
case RUI_P2P:
RUI_LOG_PRINTF("Current work_mode:P2P\r\n");
if (g_lora_config.LoraP2PParams.p2p_workmode == 1)
{
RUI_LOG_PRINTF("LoRa P2P Transfer_mode: Receiver\r\n");
}
else
{
RUI_LOG_PRINTF("LoRa P2P Transfer_mode: Sender\r\n");
}
break;
default: break;
}
RUI_LOG_PRINTF("Initialization OK\r\n\r\n");
/* User Code */
setup();
/* End User Code */
while(1)
{
rui_running();
/* User Code */
loop();
/* End User Code */
}
}