John Mc
TX (remote) side of the Nerf demo. Uses the FRDM-K64F and nRF24L01P to take acceleration data and send it wirelessly to the base unit.
Dependencies: DebounceIn FXOS8700Q mbed nRF24L01P
Dependents: NerfGun_nRF24L01P_TX_9dof
Fork of
NerfGun_nRF24L01P_TX
by 
Clark Jarvis
Revision 0:b5e995814400, committed 2014-05-12
- Comitter:
- clarkjarvis
- Date:
- Mon May 12 18:50:58 2014 +0000
- Child:
- 1:ebfa9cb235de
- Commit message:
- Working Version of Nerf Gun 2.0 Transmitter, uses wireless nRF24L01P
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/DebounceIn.lib Mon May 12 18:50:58 2014 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/AjK/code/DebounceIn/#31ae5cfb44a4
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/FXOS8700Q.lib Mon May 12 18:50:58 2014 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/JimCarver/code/FXOS8700Q/#52116f8fb3da
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Mon May 12 18:50:58 2014 +0000
@@ -0,0 +1,125 @@
+#include "mbed.h"
+#include "nRF24L01P.h"
+#include "FXOS8700Q.h"
+#include "DebounceIn.h"
+
+#define ACC_SAMPLE_SIZE 200
+#define ACC_X_GAIN 1
+#define ACC_Y_GAIN 2
+#define TRANSFER_SIZE 9
+
+Serial pc(USBTX, USBRX); // tx, rx
+
+nRF24L01P my_nrf24l01p(PTD6, PTD7, PTD5, PTD4, PTC12, PTC18); // mosi, miso, sck, csn, ce, irq
+FXOS8700Q_acc acc( PTE25, PTE24, FXOS8700CQ_SLAVE_ADDR1); // Proper Ports and I2C Address for K64F Freedom board
+
+DigitalOut myled1(LED1);
+DigitalOut myled2(LED2);
+DigitalOut myled3(LED3);
+MotionSensorDataCounts acc_raw;
+int16_t acc_x, acc_y;
+DebounceIn fire_button(PTA4);
+DebounceIn cal_button(PTC6);
+
+int main() {
+
+ char txData[TRANSFER_SIZE];
+ int txDataCnt = 0;
+
+ int acc_x_array[ACC_SAMPLE_SIZE];
+ int acc_y_array[ACC_SAMPLE_SIZE];
+ int acc_sample_cnt = 0;
+
+ int acc_x_avg = 0;
+ int acc_y_avg = 0;
+
+ int acc_x_cal = 0;
+ int acc_y_cal = 0;
+
+ pc.baud(115200);
+
+ my_nrf24l01p.setTxAddress(0xDEADBEEF01);
+ my_nrf24l01p.powerUp();
+ myled1 = 1;
+ myled2 = 1;
+
+ // Display the 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() );
+
+ my_nrf24l01p.setTransferSize( TRANSFER_SIZE );
+ my_nrf24l01p.enable();
+
+ acc.enable();
+
+ myled3 = 0;
+
+ for (int x=0; x<ACC_SAMPLE_SIZE; x++) {
+ acc_x_array[x]=0;
+ acc_y_array[x]=0;
+ }
+
+ while (1) {
+ acc.getAxis(acc_raw);
+
+ acc_x = acc_raw.x - acc_x_cal;
+ acc_y = acc_raw.y - acc_y_cal;
+
+ acc_x_array[acc_sample_cnt]=(int)(acc_x>>2);
+ acc_y_array[acc_sample_cnt]=(int)(acc_y>>2);
+
+ acc_sample_cnt++;
+ if (acc_sample_cnt>=ACC_SAMPLE_SIZE) acc_sample_cnt = 0;
+
+ acc_x_avg=0;
+ acc_y_avg=0;
+ for (int x=0; x<ACC_SAMPLE_SIZE; x++) {
+ acc_x_avg=acc_x_avg+acc_x_array[x];
+ acc_y_avg=acc_y_avg+acc_y_array[x];
+ }
+ acc_x_avg = (int)(acc_x_avg/ACC_SAMPLE_SIZE);
+ acc_y_avg = (int)(acc_y_avg/ACC_SAMPLE_SIZE);
+
+ //pc.printf("%d (%d)\t%d (%d)\n\r",acc_x_avg,acc_raw.x,acc_y_avg,acc_raw.y);
+
+ txData[0] = (acc_x_avg) & 0xff;
+ txData[1] = (acc_x_avg>>8) & 0xff;
+ txData[2] = (acc_x_avg>>16) & 0xff;
+ txData[3] = (acc_x_avg>>24) & 0xff;
+
+ txData[4] = (acc_y_avg) & 0xff;
+ txData[5] = (acc_y_avg>>8) & 0xff;
+ txData[6] = (acc_y_avg>>16) & 0xff;
+ txData[7] = (acc_y_avg>>24) & 0xff;
+
+ txData[8] = (char)(fire_button.read());
+ myled1 = fire_button.read();
+ myled3 = !myled1;
+
+ my_nrf24l01p.write( NRF24L01P_PIPE_P0, txData, sizeof( txData ) );
+
+ wait(0.001);
+
+ if (cal_button.read()==0) {
+ myled2 = 0;
+ myled3 = 1;
+
+ acc_x_avg=0;
+ acc_y_avg=0;
+ for (int x=0; x<ACC_SAMPLE_SIZE; x++) {
+ acc.getAxis(acc_raw);
+ acc_x_avg=acc_x_avg+acc_raw.x;
+ acc_y_avg=acc_y_avg+acc_raw.y;
+ wait(0.01);
+ }
+ acc_x_cal = (int)(acc_x_avg/ACC_SAMPLE_SIZE);
+ acc_y_cal = (int)(acc_y_avg/ACC_SAMPLE_SIZE);
+ myled2 = 1;
+ myled3 = 0;
+ }
+
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Mon May 12 18:50:58 2014 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/8a40adfe8776 \ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/nRF24L01P.lib Mon May 12 18:50:58 2014 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/Owen/code/nRF24L01P/#8ae48233b4e4