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NRF24L01P with FRDM KL-25Z as Receiver
Dependencies: ESP8266 mbed nRF24L01P
Fork of NRFRxCode by
Revision 1:44646476456d, committed 2017-12-04
- Comitter:
- mrbhatter
- Date:
- Mon Dec 04 09:44:41 2017 +0000
- Parent:
- 0:ec3b5f850a28
- Commit message:
- NRF and ESP data to thingspeak;
Changed in this revision
ESP8266.lib | Show annotated file Show diff for this revision Revisions of this file |
main.cpp | Show annotated file Show diff for this revision Revisions of this file |
diff -r ec3b5f850a28 -r 44646476456d ESP8266.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/ESP8266.lib Mon Dec 04 09:44:41 2017 +0000 @@ -0,0 +1,1 @@ +https://developer.mbed.org/users/janhavi/code/ESP8266/#4f24e7e803a1
diff -r ec3b5f850a28 -r 44646476456d main.cpp --- a/main.cpp Sat Dec 02 05:57:01 2017 +0000 +++ b/main.cpp Mon Dec 04 09:44:41 2017 +0000 @@ -1,20 +1,131 @@ #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(PTA12); +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"); -int main() { - - char count[2]; + 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(2410); + my_nrf24l01p.setRfFrequency(2500); // Display the (default) setup of the nRF24L01+ chip pc.printf( "nRF24L01+ Frequency : %d MHz\r\n", my_nrf24l01p.getRfFrequency() ); @@ -23,29 +134,18 @@ 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( "Simple 2 Byte Receiver\r\n" ); - RxDataCnt = 2; my_nrf24l01p.setTransferSize( RxDataCnt ); - my_nrf24l01p.setReceiveMode(); my_nrf24l01p.enable(); - + wifi_initialize(); while (1) { - - // If we've received anything in the nRF24L01+... - if ( my_nrf24l01p.readable() ) { - - // ...read the data into the receive buffer + //if ( my_nrf24l01p.readable() ) { temp = my_nrf24l01p.read( NRF24L01P_PIPE_P0, count, RxDataCnt ); - - - pc.printf( "Cnt %d = %d %d\r\n",temp,count[0],count[1]); - - - // Toggle LED2 (to help debug nRF24L01+ -> Host communication) - GreenLED = !GreenLED; + pc.printf( "%d\r\n",count[0]); wait_ms(10); - } + //} + wifi_send(); + wait(30); } }