NRF24L01P with FRDM KL-25Z as Receiver
Dependencies: ESP8266 mbed nRF24L01P
Fork of NRFRxCode by
main.cpp
- Committer:
- mrbhatter
- Date:
- 2017-12-04
- Revision:
- 1:44646476456d
- Parent:
- 0:ec3b5f850a28
File content as of revision 1:44646476456d:
#include "mbed.h" #include "nRF24L01P.h" #include "ESP8266.h" Serial pc(USBTX, USBRX); // tx, rx nRF24L01P my_nrf24l01p(PTD2, PTD3, PTD1, PTD0, PTD5, PTD4); // MOSI, MISO, SCK, CSN, CE, IRQ DigitalOut GreenLED(LED2); ESP8266 wifi(PTE0, PTE1, 115200); //buffers for wifi library char resp[1000]; char http_cmd[300], comm[300]; char count[1]; int timeout = 8000; //SSID and password for connection #define SSID "TAT" #define PASS "tatuniversity" //Remote IP #define IP "184.106.153.149" // 52.202.122.57 //global variable //float potvalue = 0; //float litvalue = 0; //Update key for thingspeak char* Update_Key = "P2GMSKA9NY7KV0LW"; void wifi_initialize(void) { pc.printf("******** Resetting wifi module ********\r\n"); wifi.Reset(); //wait for 5 seconds for response, else display no response receiveed if (wifi.RcvReply(resp, 5000)) pc.printf("%s",resp); else pc.printf("No response"); pc.printf("******** Setting Station mode of wifi with AP ********\r\n"); wifi.SetMode(1); // set transparent mode if (wifi.RcvReply(resp, timeout)) //receive a response from ESP pc.printf("%s",resp); //Print the response onscreen else pc.printf("No response while setting mode. \r\n"); pc.printf("******** Joining network with SSID and PASS ********\r\n"); wifi.Join(SSID, PASS); if (wifi.RcvReply(resp, timeout)) pc.printf("%s",resp); else pc.printf("No response while connecting to network \r\n"); pc.printf("******** Getting IP and MAC of module ********\r\n"); wifi.GetIP(resp); if (wifi.RcvReply(resp, timeout)) pc.printf("%s",resp); else pc.printf("No response while getting IP \r\n"); pc.printf("******** Setting WIFI UART passthrough ********\r\n"); wifi.setTransparent(); if (wifi.RcvReply(resp, timeout)) pc.printf("%s",resp); else pc.printf("No response while setting wifi passthrough. \r\n"); wait(1); pc.printf("******** Setting single connection mode ********\r\n"); wifi.SetSingle(); wifi.RcvReply(resp, timeout); if (wifi.RcvReply(resp, timeout)) pc.printf("%s",resp); else pc.printf("No response while setting single connection \r\n"); wait(1); } void wifi_send(void) { pc.printf("******** Starting TCP connection on IP and port ********\r\n"); wifi.startTCPConn(IP,80); //cipstart wifi.RcvReply(resp, timeout); if (wifi.RcvReply(resp, timeout)) pc.printf("%s",resp); else pc.printf("No response while starting TCP connection \r\n"); wait(1); //create link sprintf(http_cmd,"/update?api_key=%s&field1=%d",Update_Key,count); pc.printf(http_cmd); pc.printf("******** Sending URL to wifi ********\r\n"); wifi.sendURL(http_cmd, comm); //cipsend and get command if (wifi.RcvReply(resp, timeout)) pc.printf("%s",resp); else pc.printf("No response while sending URL \r\n"); } int main() { char RxDataCnt; char temp; my_nrf24l01p.powerUp(); my_nrf24l01p.setRfFrequency(2500); // 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() ); RxDataCnt = 2; my_nrf24l01p.setTransferSize( RxDataCnt ); my_nrf24l01p.setReceiveMode(); my_nrf24l01p.enable(); wifi_initialize(); while (1) { //if ( my_nrf24l01p.readable() ) { temp = my_nrf24l01p.read( NRF24L01P_PIPE_P0, count, RxDataCnt ); pc.printf( "%d\r\n",count[0]); wait_ms(10); //} wifi_send(); wait(30); } }