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Dependencies: mbed 4DGL-uLCD-SE mbed-rtos nRF24L01P
Diff: main.cpp
- Revision:
- 12:efcfe4c0d9f2
- Parent:
- 11:a9f4237eaaa1
- Child:
- 13:fbcc71fca474
--- a/main.cpp Wed Apr 18 23:09:40 2018 +0000 +++ b/main.cpp Fri Apr 20 14:38:27 2018 +0000 @@ -4,7 +4,7 @@ #include "nRF24L01P.h" #define TRANSFER_SIZE 4 //added 5:54pm 4/18/18 Serial pc(USBTX, USBRX); // tx, rx - + nRF24L01P my_nrf24l01p(p5, p6, p7, p8, p9, p10); // mosi, miso, sck, csn, ce, irq DigitalOut myled1(LED1); DigitalOut myled2(LED2); @@ -14,20 +14,21 @@ InterruptIn Button(p20); //changed DitialIn to InterruptIn at 5:54 4/18/18 AnalogOut speaker(p18); //added 6:34 pm at 4/18/18 - char txData[TRANSFER_SIZE], rxData[TRANSFER_SIZE]; //making these usable by other voids. - int txDataCnt = 0;//and this. - int rxDataCnt = 0;//and this. //David Rechtmann 6.24 pm 4/18/18 - -void startup() { +char txData[TRANSFER_SIZE], rxData[TRANSFER_SIZE]; //making these usable by other voids. +int txDataCnt = 0;//and this. +int rxDataCnt = 0;//and this. //David Rechtmann 6.24 pm 4/18/18 + +void startup() +{ // The nRF24L01+ supports transfers from 1 to 32 bytes, but Sparkfun's // "Nordic Serial Interface Board" (http://www.sparkfun.com/products/9019) // only handles 4 byte transfers in the ATMega code. //define TRANSFER_SIZE 4 - // char txData[TRANSFER_SIZE], rxData[TRANSFER_SIZE]; //making these usable by other voids. - // int txDataCnt = 0;//and this. - // int rxDataCnt = 0;//and this. //David Rechtmann 6:24 pm 4/18/18 +// char txData[TRANSFER_SIZE], rxData[TRANSFER_SIZE]; //making these usable by other voids. + // int txDataCnt = 0;//and this. + // int rxDataCnt = 0;//and this. //David Rechtmann 6:24 pm 4/18/18 my_nrf24l01p.powerUp(); @@ -46,82 +47,78 @@ my_nrf24l01p.enable(); } - -void pctransmit() { - // If we've received anything over the host serial link... - if ( pc.readable() ) { + +void pctransmit() +{ + // If we've received anything over the host serial link... + if ( pc.readable() ) { - // ...add it to the transmit buffer - txData[txDataCnt++] = pc.getc(); + // ...add it to the transmit buffer + txData[txDataCnt++] = pc.getc(); + + // If the transmit buffer is full + if ( txDataCnt >= sizeof( txData ) ) { + + // Send the transmitbuffer via the nRF24L01+ + my_nrf24l01p.write( NRF24L01P_PIPE_P0, txData, txDataCnt ); - // If the transmit buffer is full - if ( txDataCnt >= sizeof( txData ) ) { + txDataCnt = 0; + } - // Send the transmitbuffer via the nRF24L01+ - my_nrf24l01p.write( NRF24L01P_PIPE_P0, txData, txDataCnt ); + // Toggle LED1 (to help debug Host -> nRF24L01+ communication) + myled3 = !myled3; + } - txDataCnt = 0; - } + // If we've received anything in the nRF24L01+... + if ( my_nrf24l01p.readable() ) { - // Toggle LED1 (to help debug Host -> nRF24L01+ communication) - myled3 = !myled3; + // ...read the data into the receive buffer + rxDataCnt = my_nrf24l01p.read( NRF24L01P_PIPE_P0, rxData, sizeof( rxData ) ); + + // Display the receive buffer contents via the host serial link + for ( int i = 0; rxDataCnt > 0; rxDataCnt--, i++ ) { + + pc.putc( rxData[i] ); } - // If we've received anything in the nRF24L01+... - if ( my_nrf24l01p.readable() ) { - - // ...read the data into the receive buffer - rxDataCnt = my_nrf24l01p.read( NRF24L01P_PIPE_P0, rxData, sizeof( rxData ) ); - - // Display the receive buffer contents via the host serial link - for ( int i = 0; rxDataCnt > 0; rxDataCnt--, i++ ) { + // Toggle LED2 (to help debug nRF24L01+ -> Host communication) + myled3 = !myled3; + } +} - pc.putc( rxData[i] ); - } - - // Toggle LED2 (to help debug nRF24L01+ -> Host communication) - myled3 = !myled3; - } - } - //} - -void receive() { //most of this function added by david at 6:02pm 4/18/18 - float sample; +void receive() //most of this function added by david at 6:02pm 4/18/18 +{ + float sample; float average = 0.67/3.3;//initial DC bias level - while (Button == 0) { - if (my_nrf24l01p.readable(0)) { - my_nrf24l01p.read(0, rxData, 1 );//replace thrid val w/ 1? - sample = uint8_t (rxData); - average = 0.9999*average + 0.0001*sample; //This is in the mPA demo but I'm not sure how it works -david - speaker = 0.5 +((sample - average)*33.0); - } - if ( txDataCnt >= sizeof( txData ) ) { //i'm not sure what this does??? -david + while (Button == 0) { + if (my_nrf24l01p.readable(0)) { + my_nrf24l01p.read(0, rxData, 1 );//replace thrid val w/ 1? + sample = uint8_t (rxData); + average = 0.9999*average + 0.0001*sample; //This is in the mPA demo but I'm not sure how it works -david + speaker = 0.5 +((sample - average)*33.0); + } - // Send the transmitbuffer via the nRF24L01+ - my_nrf24l01p.write( NRF24L01P_PIPE_P0, txData, txDataCnt ); + } +} - txDataCnt = 0; - } - - } - } - -void transmit() { - // while (mymycrophone.getData()) { +void transmit() +{ + // while (mymycrophone.getData()) { // txData[txDataCnt++] = mymicrophone.getData(); // } - // txData[txDataCnt++] = ; - my_nrf24l01P.setTransmitMode(); // for latest revision 5:52pm 4/18/1, this doesn't compile and I don't know why. - speaker = 0; - while (Button == 1) { - my_nrf24l01P.write(0, mymicrophone.getData(), txDataCnt); + // txData[txDataCnt++] = ; + speaker = 0; + while (Button == 1) { + my_nrf24l01P.write(0, mymicrophone.getData(), 1); } - } -int main() { +} + +int main() +{ Button.mode(PullUp);//added 6:23pm 4/18/18 Button.rise(&transmit); Button.fall(&receive); while (1) { - - } - } \ No newline at end of file + + } +} \ No newline at end of file