263 lines
8.3 KiB
C
263 lines
8.3 KiB
C
////////////////////////////////////////////////////////////////////////////////
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// 版权: 利尔达科技集团股份有限公司
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// 文件名: main_tx/rx
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// 版本： v1.0
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// 工作环境: IAR v5.30
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// 作者: 于海波
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// 生成日期: 2013.12
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// 功能: A发送包书记给B，黄灯闪烁，B模块接到数据红灯闪烁，B将数据回传给A模块，
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// A接到数据后红灯闪烁， 循环次操作，
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// 相关文件:
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// 修改日志：
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////////////////////////////////////////////////////////////////////////////////
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#include <string.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include "driver.h"
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#include "sx1276-f4152-Hal.h"
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#include "LSD_RF_SX1276.h"
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#include "LSD_RF_APPrf.h"
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#include "clock.h"
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//===================================定义变量===================================================
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long SysTick = 0;
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uint8_t TXbuffer[30]={0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29};
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uint8_t WakeAddr[8]={5,6,7,8,9,10,11,7};
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uint8_t Rxbuffer[64];
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//===================================函数声明===================================================
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//===============================================================================================
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////////////////////////////////////////////////////////////////////////////////
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// 功能描述 : 主函数
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// 输入参数 : 无
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// 返回参数 : 无
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// 说明 :
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////////////////////////////////////////////////////////////////////////////////
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typedef enum{
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Nope,
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B300bps,//BW = 500KHz SF = 7 CR = 4_6
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B1080bps,//BW = 125KHz SF = 9 CR = 4_6
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B4000bps,//BW = 125KHz SF = 7 CR = 4_5
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}t_Baudrate;
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t_Baudrate Baudrate = Nope;
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unsigned char *point;
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unsigned char Reg_PKTSNR = 0;
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unsigned char Reg_PKTRssi = 0;
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unsigned char Reg_Rssi = 0;
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unsigned char LCD_p[9] = {0,0,0,0,0,8,0,1,0xff};
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int T_Cnt = 0;
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int R_Cnt = 0;
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bool RESET_Flag = false;
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void main( void )
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{
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WDTCTL = WDTPW + WDTHOLD; // 关闭看门狗
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platform_init(); //测试底板初始化
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LEDONBAND(LEDALL); //初始化过程点亮所有LED灯
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KEYBOARD_DIR &=~ (KEY_S1+KEY_S2);
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KEYBOARD_IFG &=~ (KEY_S1+KEY_S2);
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KEYBOARD_IES |= (KEY_S1+KEY_S2);
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KEYBOARD_IE |= (KEY_S1+KEY_S2);
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point = (unsigned char *)(&(G_LoRaConfig.BandWidth));
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flash_read(FLASH_ADDRESS_D,point,3*2);
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if(G_LoRaConfig.BandWidth>BW500KHZ){
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G_LoRaConfig.BandWidth=BW125KHZ;
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G_LoRaConfig.SpreadingFactor = SF09;
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G_LoRaConfig.CodingRate = CR_4_6;
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flash_seg_clear(FLASH_ADDRESS_D);//写之前必清除
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flash_write(FLASH_ADDRESS_D,point,3*2);
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}
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if(G_LoRaConfig.SpreadingFactor==SF11){
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Baudrate = B300bps;
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LCD_p[8] = 1;
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}
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else{
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if(G_LoRaConfig.SpreadingFactor==SF07){
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Baudrate = B4000bps;
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LCD_p[8] = 3;
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}
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else{
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Baudrate = B1080bps;
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LCD_p[8] = 2;
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}
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}
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LCD_p[7] = 0xff;LCD_p[6] = 0;LCD_p[5] = 0;LCD_p[4] = 0;
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lcd_init();
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LCD_Disp_ALL_Num(LCD_p);
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//配置各个参数
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G_LoRaConfig.LoRa_Freq = 474600000; //中心频点470MHz
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//G_LoRaConfig.BandWidth = BW125KHZ; //BW = 125KHz
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//G_LoRaConfig.SpreadingFactor = SF09; //SF = 9
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//G_LoRaConfig.CodingRate = CR_4_6; //CR = 4/6
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G_LoRaConfig.PowerCfig = 15; //19±dBm
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G_LoRaConfig.MaxPowerOn = true;
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G_LoRaConfig.CRCON = true; //CRC开启
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G_LoRaConfig.ExplicitHeaderOn = true; //Header开启
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G_LoRaConfig.PayloadLength = 20; //数据包长度
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if(SX127x_init()!=NORMAL) WDTCTL=0; //无线模块初始化失败复位
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KEYBOARD_IE |= (KEY_S1+KEY_S2);
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_EINT(); //开总中断
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LEDOFFBIT(LEDALL); //初始化完毕关闭所有LED灯
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ON_Timerout(); //开启定时器，1s一发数据
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while(1)
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{
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LPM3;
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if(RESET_Flag==true){
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flash_seg_clear(FLASH_ADDRESS_D);//写之前必清除
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flash_write(FLASH_ADDRESS_D,point,3*2);
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WDTCTL = 0;//RESET
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}
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LSD_RF_RXmode(); //每次发送一包数据后，进入接收状态，等待B模块应答
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/****RSSI*****/
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//中断中已经算过符号
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LCD_p[6] = Reg_PKTRssi/100%10;
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LCD_p[5] = Reg_PKTRssi/10%10;
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LCD_p[4] = Reg_PKTRssi%10;
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LCD_p[0] = T_Cnt%10;
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LCD_p[1] = T_Cnt/10%10;
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LCD_p[2] = R_Cnt%10;
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LCD_p[3] = R_Cnt/10%10;
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/****Cnt *****/
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//LCD_p[0] = T_Cnt%10;
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//LCD_p[1] = T_Cnt/10%10;
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//LCD_p[2] = R_Cnt%10;
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//LCD_p[3] = R_Cnt/10%10;
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LCD_ClrLcd_ALL();
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LCD_Disp_ALL_Num(LCD_p);
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if(T_Cnt>=100)
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T_Cnt = 0;
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if(R_Cnt>=100)
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R_Cnt = 0;
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}
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}
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////////////////////////////////////////////////////////////////////////////////
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// 功能描述 : 无线接收数据中断入口
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// 输入参数 : 无
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// 返回参数 : 无
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// 说明 :
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////////////////////////////////////////////////////////////////////////////////
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#pragma vector = PORT1_VECTOR
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__interrupt void port1_isr(void)
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{
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if(KEYBOARD_IFG&(KEY_ALL)){
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char Keys_Flag = KEYBOARD_IFG&(KEY_ALL);
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switch(Keys_Flag&(KEY_S1|KEY_S2)){
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case KEY_S1:
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switch(Baudrate){
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case B1080bps:
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G_LoRaConfig.BandWidth = BW125KHZ; //BW = 125KHz
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G_LoRaConfig.SpreadingFactor = SF07; //SF = 9
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G_LoRaConfig.CodingRate = CR_4_6; //CR = 4/6
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Baudrate = B4000bps;
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break;
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case B4000bps:
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G_LoRaConfig.BandWidth = BW125KHZ; //BW = 125KHz
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G_LoRaConfig.SpreadingFactor = SF11; //SF = 9
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G_LoRaConfig.CodingRate = CR_4_8; //CR = 4/6
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Baudrate = B300bps;
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break;
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case B300bps:
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default:
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G_LoRaConfig.BandWidth = BW125KHZ; //BW = 125KHz
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G_LoRaConfig.SpreadingFactor = SF09; //SF = 9
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G_LoRaConfig.CodingRate = CR_4_6; //CR = 4/6
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Baudrate = B1080bps;
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break;
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}
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RESET_Flag = true;
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LPM3_EXIT;
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break;
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case KEY_S2:
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T_Cnt = 0;
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R_Cnt = 0;
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break;
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default:
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break;
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}
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KEYBOARD_IFG &= ~KEY_ALL;
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return;
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}
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if(DIO0_IFG) //判断是否是DIO0引起的中断
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{
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DIO0_IFG = 0; //清除DIO0中断标志位
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LSD_RF_RxPacket(Rxbuffer); //接收数据包
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#include "sx1276-LoRa.h"
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signed int temp = 0,test;
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SX1276Read( REG_LR_PKTSNRVALUE,&Reg_PKTSNR);
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test = (signed char)Reg_PKTSNR;
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if((Reg_PKTSNR&0x80)!=0){//负数
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//LCD_p[3] = 10;//Reg_PKTSNR
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Reg_PKTSNR = ~(Reg_PKTSNR)+1;
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temp = -Reg_PKTSNR;
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}
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else{
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//LCD_p[3] = 0xff;//Reg_PKTSNR
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temp = Reg_PKTSNR;
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}
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test++;
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SX1276Read( REG_LR_PKTRSSIVALUE,&Reg_PKTRssi);
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if(temp>0){
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temp = -164+Reg_PKTRssi*16/15;
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//if(temp>-50)
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//temp = -137+Reg_PKTRssi;
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}
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else{
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temp = -164+Reg_PKTRssi+(signed char)(temp*0.25+0.5);
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}
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if(temp<0){
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LCD_p[7] = 10;
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Reg_PKTRssi = -temp;
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}
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else{
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LCD_p[7] = 0xff;
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Reg_PKTRssi = temp;
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}
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//SX1276Read( REG_LR_RSSIVALUE,&Reg_Rssi);
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//Reg_Rssi
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if(memcmp(Rxbuffer,TXbuffer,20)==0)
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{
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LEDONBIT(LED1); //状态指示灯
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DelayMs(60);
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LEDOFFBIT(LED1); //状态指示灯
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R_Cnt++;
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}
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LPM3_EXIT;
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}
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P1IFG=0;
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}
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////////////////////////////////////////////////////////////////////////////////
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// 功能描述 : 超时定时器
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// 输入参数 : 无
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// 返回参数 : 无
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// 说明 : 用于误唤醒，或唤醒失败后超时时间到后重新进入WOR
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////////////////////////////////////////////////////////////////////////////////
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#pragma vector = TIMER1_A0_VECTOR
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__interrupt void Timer1_A0_ISR()
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{
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static uint8 t=0;
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t++;
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if(Baudrate >= B1080bps)
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t = 5;
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if(Baudrate == B300bps)
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t++;
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if(t >= 5)
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{
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LEDONBIT(LED3);//发送状态指示灯
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G_LoRaConfig.PayloadLength = 20;
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SX1276Reset();
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if(SX127x_init()!=NORMAL) WDTCTL=0;
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LSD_RF_SendPacket(TXbuffer);//发送30个字节数据测试
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T_Cnt++;
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LEDOFFBIT(LED3);//发送状态指示灯
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LPM3_EXIT;
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t = 0;
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}
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}
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