main4-2.cpp

00001 
00002 //送信用プログラム
00003 
00004 #include "mbed.h"
00005 #include "nRF24L01P.h"
00006 RawSerial  pc(PA_2, PA_3,115200);
00007 AnalogIn   mic_in(A0);
00008 AnalogOut  sp_out(A2);
00009 Ticker     interrput;
00010 #define TRANSFER_SIZE   16
00011 int      out_flg = 1;
00012 int      snd_flg = 0;
00013 uint16_t txData[TRANSFER_SIZE*2];
00014 int      txDataIdx = 0;
00015 int      rxDataCnt = 0;
00016  
00017 nRF24L01P my_nrf24l01p(D11, D12, D13, D10, D9,D8);    // mosi, miso, sck, csn, ce, irq
00018 //nRF24L01P my_nrf24l01p(p5, p6, p7, p8, p9, p10);    // mosi, miso, sck, csn, ce, irq
00019 
00020 
00021 void timer(){  //タイマー割り込みによるMic in　16回ごとに送信
00022       uint16_t ain;
00023       if(1 /*out_flg*/){    
00024         ain= mic_in.read_u16();
00025         txData[txDataIdx] = ain;
00026         txDataIdx++;
00027         if (txDataIdx == TRANSFER_SIZE) {//最初の16回
00028              snd_flg = 1;
00029         } else if (txDataIdx >= TRANSFER_SIZE*2){//後の16回
00030              txDataIdx=0;
00031              snd_flg = 2;
00032         } 
00033       //  pc.printf("in %d\r\n",ain);
00034       //  sp_out.write_u16(ain);
00035         //out_flg = 0;              
00036        }    
00037 }
00038 
00039 int main() {
00040 // The nRF24L01+ supports transfers from 1 to 32 bytes, but Sparkfun's
00041 //  "Nordic Serial Interface Board" (http://www.sparkfun.com/products/9019)
00042 //  only handles 4 byte transfers in the ATMega code.
00043     int i=0;
00044     wait_ms(100);
00045 
00046     
00047     my_nrf24l01p.powerUp();
00048     my_nrf24l01p.setRfFrequency(NRF24L01P_MIN_RF_FREQUENCY);//2400-2525
00049     my_nrf24l01p.setRfOutputPower(NRF24L01P_TX_PWR_MINUS_12_DB);//mAX 0  -6 -12 -18
00050     my_nrf24l01p.setAirDataRate(NRF24L01P_DATARATE_1_MBPS);//250k,1000,2000K
00051     // Display the (default) setup of the nRF24L01+ chip
00052     pc.printf( "nRF24L01+ Frequency    : %d MHz\r\n",  my_nrf24l01p.getRfFrequency() );
00053     pc.printf( "nRF24L01+ Output power : %d dBm\r\n",  my_nrf24l01p.getRfOutputPower() );
00054     pc.printf( "nRF24L01+ Data Rate    : %d kbps\r\n", my_nrf24l01p.getAirDataRate() );
00055     pc.printf( "nRF24L01+ TX Address   : 0x%010llX\r\n", my_nrf24l01p.getTxAddress() );
00056     pc.printf( "nRF24L01+ RX Address   : 0x%010llX\r\n", my_nrf24l01p.getRxAddress() );
00057 
00058     pc.printf( "Type keys to test transfers:\r\n  (transfers are grouped into %d characters)\r\n", TRANSFER_SIZE );
00059     my_nrf24l01p.setTransferSize( TRANSFER_SIZE * sizeof( uint16_t ));//mAX 4
00060 
00061     my_nrf24l01p.setReceiveMode();
00062     my_nrf24l01p.enable();
00063     
00064     wait_ms(10);
00065     interrput.attach_us(&timer, 100);//100 usec 10Khz
00066 
00067     while (1) {
00068          i++;
00069          if (snd_flg==1) {//最初のバッファ
00070                snd_flg=0;
00071                my_nrf24l01p.write( NRF24L01P_PIPE_P0, (char *)txData , TRANSFER_SIZE * sizeof(uint16_t) );
00072               // pc.putc('1');
00073          }    
00074          else if (snd_flg==2)  {//後半のバッファ         
00075                snd_flg=0;
00076                my_nrf24l01p.write( NRF24L01P_PIPE_P0, (char*)(txData+TRANSFER_SIZE) , TRANSFER_SIZE * sizeof(uint16_t) );
00077              //    pc.putc('2');
00078 
00079          }
00080    }   //for while(1)
00081 }