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Dependencies:   mbed nRF24L01P

pir1_sensor.cpp@6:98401b545e0c, 2017-01-05 (annotated)

Committer:
pannaannap
Date:
Thu Jan 05 11:25:21 2017 +0000
Revision:
6:98401b545e0c
Parent:
5:fbd5b1e953e6 
linker fix

Who changed what in which revision?

UserRevisionLine numberNew contents of line
pannaanna 2:6541a391bdbd 1 #include "common.h"
pannaanna 2:6541a391bdbd 2
pannaanna 2:6541a391bdbd 3 // ***** SETTINGS START *****
pannaanna 2:6541a391bdbd 4
pannaannap 5:fbd5b1e953e6 5 const unsigned long long RX_ADDRESS = PIR1_ADDRESS;
pannaannap 5:fbd5b1e953e6 6 const unsigned long long TX_ADDRESS = MASTER_ADDRESS;
pannaanna 2:6541a391bdbd 7 const double SEND_INTERVAL = 5.0;
pannaanna 2:6541a391bdbd 8 const uint8_t SENSOR_ID = PIR1;
pannaanna 2:6541a391bdbd 9
pannaanna 2:6541a391bdbd 10 // ***** SETTINGS END *****
pannaanna 2:6541a391bdbd 11
pannaanna 2:6541a391bdbd 12 Serial pc(USBTX, USBRX); // tx, rx
pannaanna 2:6541a391bdbd 13 nRF24L01P radio(PB_15, PB_14, PB_13, PB_12, PB_1, PB_2); // mosi, miso, sck, csn, ce, irq
pannaanna 2:6541a391bdbd 14 DigitalIn sensor(PA_10);
pannaanna 2:6541a391bdbd 15
pannaanna 2:6541a391bdbd 16 Ticker sender;
pannaanna 2:6541a391bdbd 17 bool send_acc_results = false;
pannaanna 2:6541a391bdbd 18
pannaanna 2:6541a391bdbd 19 void set_send() {
pannaanna 2:6541a391bdbd 20 send_acc_results = true;
pannaanna 2:6541a391bdbd 21 }
pannaanna 2:6541a391bdbd 22
pannaanna 2:6541a391bdbd 23 void init() {
pannaanna 2:6541a391bdbd 24 sensor.mode(PullDown);
pannaanna 2:6541a391bdbd 25 pc.baud(115200);
pannaanna 2:6541a391bdbd 26 sender.attach(&set_send, SEND_INTERVAL);
pannaanna 2:6541a391bdbd 27 radio_init(&radio, RX_ADDRESS, TX_ADDRESS);
pannaanna 2:6541a391bdbd 28 }
pannaanna 2:6541a391bdbd 29
pannaanna 2:6541a391bdbd 30 int main() {
pannaanna 2:6541a391bdbd 31 init();
pannaanna 2:6541a391bdbd 32
pannaanna 2:6541a391bdbd 33 // Display the (default) setup of the nRF24L01+ chip
pannaanna 2:6541a391bdbd 34 pc.printf( "nRF24L01+ Frequency : %d MHz\r\n", radio.getRfFrequency() );
pannaanna 2:6541a391bdbd 35 pc.printf( "nRF24L01+ Output power : %d dBm\r\n", radio.getRfOutputPower() );
pannaanna 2:6541a391bdbd 36 pc.printf( "nRF24L01+ Data Rate : %d kbps\r\n", radio.getAirDataRate() );
pannaanna 2:6541a391bdbd 37 pc.printf( "nRF24L01+ TX Address : 0x%010llX\r\n", radio.getTxAddress() );
pannaanna 2:6541a391bdbd 38 pc.printf( "nRF24L01+ RX0 Address : 0x%010llX\r\n", radio.getRxAddress(NRF24L01P_PIPE_P0) );
pannaanna 2:6541a391bdbd 39 pc.printf( "nRF24L01+ RX1 Address : 0x%010llX\r\n", radio.getRxAddress(NRF24L01P_PIPE_P1) );
pannaanna 2:6541a391bdbd 40
pannaanna 2:6541a391bdbd 41 uint8_t count_changes;
pannaanna 2:6541a391bdbd 42 int last_state;
pannaanna 2:6541a391bdbd 43
pannaanna 2:6541a391bdbd 44 while (1) {
pannaanna 2:6541a391bdbd 45 int state;
pannaanna 2:6541a391bdbd 46 if (sensor.read()) {
pannaanna 2:6541a391bdbd 47 state = 1;
pannaanna 2:6541a391bdbd 48 } else {
pannaanna 2:6541a391bdbd 49 state = 0;
pannaanna 2:6541a391bdbd 50 }
pannaanna 2:6541a391bdbd 51
pannaanna 2:6541a391bdbd 52 if (last_state != state) {
pannaanna 2:6541a391bdbd 53 last_state = state;
pannaanna 2:6541a391bdbd 54 count_changes++;
pannaanna 2:6541a391bdbd 55 }
pannaanna 2:6541a391bdbd 56
pannaanna 2:6541a391bdbd 57 if (send_acc_results) {
pannaanna 2:6541a391bdbd 58 Data data(SENSOR_ID, count_changes);
pannaanna 2:6541a391bdbd 59 std::string serialized_data = data.serialize();
pannaanna 2:6541a391bdbd 60 pc.printf("string data '%s', len %d\r\n", serialized_data.c_str(), serialized_data.size());
pannaanna 2:6541a391bdbd 61
pannaanna 2:6541a391bdbd 62 char message[TRANSFER_SIZE];
pannaannap 4:aa25f65395e3 63 memcpy(message, serialized_data.c_str(), 2);
pannaanna 2:6541a391bdbd 64 int tx_bytes = radio.write(NRF24L01P_PIPE_P0, message, TRANSFER_SIZE);
pannaanna 2:6541a391bdbd 65
pannaanna 2:6541a391bdbd 66 if (tx_bytes > 0) {
pannaanna 2:6541a391bdbd 67 pc.printf("Counter: %d\r\n", count_changes);
pannaanna 2:6541a391bdbd 68 pc.printf("RETR: %d\r\n", radio.getRetrCount());
pannaanna 2:6541a391bdbd 69 count_changes = 0;
pannaanna 2:6541a391bdbd 70 send_acc_results = false;
pannaanna 2:6541a391bdbd 71 }
pannaanna 2:6541a391bdbd 72 if(tx_bytes < 0)
pannaanna 2:6541a391bdbd 73 pc.printf("TX ERROR\r\n");
pannaanna 2:6541a391bdbd 74 }
pannaanna 2:6541a391bdbd 75
pannaanna 2:6541a391bdbd 76 }
pannaanna 2:6541a391bdbd 77 }
pannaanna 2:6541a391bdbd 78