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Dependencies: mbed 4DGL-uLCD-SE mbed-rtos nRF24L01P
Diff: main.cpp
- Revision:
- 1:fc0a2c17e086
- Parent:
- 0:c35b54fb9c3c
- Child:
- 2:dc046ff72566
--- a/main.cpp Wed Apr 18 14:27:36 2018 +0000 +++ b/main.cpp Wed Apr 18 14:35:32 2018 +0000 @@ -1,12 +1,121 @@ #include "mbed.h" +#include "nRF24L01P.h" +#include "rtos.h" +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); +DigitalOut myled3(LED3); +class microphone +{ +public : + microphone(PinName pin); + float read(); + operator float (); +private : + AnalogIn _pin; +}; +microphone::microphone (PinName pin): + _pin(pin) +{ +} +float microphone::read() +{ + return _pin.read(); +} +inline microphone::operator float () +{ + return _pin.read(); +} -DigitalOut myled(LED1); +microphone mymicrophone(p16); int main() { - while(1) { - myled = 1; - wait(0.2); - myled = 0; - wait(0.2); + +// 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]; + int txDataCnt = 0; + int rxDataCnt = 0; + + my_nrf24l01p.powerUp(); + + // Display the (default) setup of the nRF24L01+ chip + pc.printf( "nRF24L01+ Frequency : %d MHz\r\n", my_nrf24l01p.getRfFrequency() ); + pc.printf( "nRF24L01+ Output power : %d dBm\r\n", my_nrf24l01p.getRfOutputPower() ); + pc.printf( "nRF24L01+ Data Rate : %d kbps\r\n", my_nrf24l01p.getAirDataRate() ); + pc.printf( "nRF24L01+ TX Address : 0x%010llX\r\n", my_nrf24l01p.getTxAddress() ); + pc.printf( "nRF24L01+ RX Address : 0x%010llX\r\n", my_nrf24l01p.getRxAddress() ); + + pc.printf( "Type keys to test transfers:\r\n (transfers are grouped into %d characters)\r\n", TRANSFER_SIZE ); + + my_nrf24l01p.setTransferSize( TRANSFER_SIZE ); + + my_nrf24l01p.setReceiveMode(); + my_nrf24l01p.enable(); + +void michello() { + //read in, subtract 0.67 DC bias, take absolute value, and scale up .1Vpp to 15 for builtin LED display + myleds = int(abs((mymicrophone - (0.67/3.3)))*500.0); +//Use an 8kHz audio sample rate (phone quality audio); + wait(1.0/8000.0); + } + +void sendmic() { + whilte (1) } + +void pchello() { + // If we've received anything over the host serial link... + if ( pc.readable() ) { + + // ...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 ); + + txDataCnt = 0; + } + + // Toggle LED1 (to help debug Host -> nRF24L01+ communication) + myled1 = !myled1; + } + + // 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++ ) { + + pc.putc( rxData[i] ); + } + + // Toggle LED2 (to help debug nRF24L01+ -> Host communication) + myled3 = !myled3; + } + } + } + +Mutex mux; +Thread pcthread; +Thread micthread; + while (1) { + + } +main (1) { + while (1) { + + } + } \ No newline at end of file