Revision 0:f92ca0fab66b, committed 2016-07-28

Comitter:

adam_z

Date:

Thu Jul 28 08:12:37 2016 +0000

Commit message:

RF24L01 on platform of STM32F446RE(SPI2)

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/RF24.lib	Thu Jul 28 08:12:37 2016 +0000
@@ -0,0 +1,1 @@
+https://developer.mbed.org/teams/LDSC_Robotics_TAs/code/RF24/#6827b6f0283b

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Jul 28 08:12:37 2016 +0000
@@ -0,0 +1,97 @@
+
+
+#include <mbed.h>
+
+#include "nRF24L01.h"
+#include "RF24.h"
+
+
+
+
+//
+// Hardware configuration
+//
+
+
+
+
+/*
+
+
+    _____
+    |8|7|     pi map with oscillator up front
+    -----
+    |6|5|
+    -----
+    |4|3|
+    -----
+    |2|1|
+    -----
+  PINOUTS
+  http://docs.spark.io/#/firmware/communication-spi
+  http://maniacbug.wordpress.com/2011/11/02/getting-started-rf24/
+
+  SPARK CORE    SHIELD SHIELD    NRF24L01+
+  GND           GND              1 (GND)
+  3V3 (3.3V)    3.3V             2 (3V3)
+  D6 (CSN)      9  (D6)          3 (CE)
+  A2 (SS)       10 (SS)          4 (CSN)
+  A3 (SCK)      13 (SCK)         5 (SCK)
+  A5 (MOSI)     11 (MOSI)        6 (MOSI)
+  A4 (MISO)     12 (MISO)        7 (MISO)
+
+  NOTE: Also place a 10-100uF cap across the power inputs of
+        the NRF24L01+.  I/O o fthe NRF24 is 5V tolerant, but
+        do NOT connect more than 3.3V to pin 1!!!
+ */
+
+// Set up nRF24L01 radio on SPI bus, and pins 9 (D6) & 10 (A2) on the Shield Shield
+RF24 radio(PB_15, PB_14, PB_13, PB_1, PB_2);//*****MOSI MISO SCK CE CS******
+
+const uint64_t send_pipe=0xB01DFACECEL;//These are just arbitrary 64bit numbers to use as pipe identifiers
+const uint64_t recv_pipe=0xDEADBEEFF1L;//They must be the same on both ends of the communciations
+
+DigitalOut HLio(PB_12);
+Serial pc(SERIAL_TX, SERIAL_RX);
+
+
+int main()
+{
+
+    pc.baud(9600);//Set up comm with the IDE serial monitor
+    pc.printf("Ready for commands");
+    radio.begin();//Start up the radio object
+    radio.setRetries(15,15);//This will improve reliability of the module if it encounters interference
+    radio.setPALevel(RF24_PA_LOW);//This sets the power low. This will reduce the range. RF24_PA_MAX would increase the range
+    radio.openWritingPipe(send_pipe);//Thses are the reverse of the transmit code.
+    radio.openReadingPipe(1,recv_pipe);
+    radio.startListening();//Give the module a kick
+
+    while(true) {
+        unsigned long motor_code=0;
+        HLio = 0;
+
+
+//        pc.printf("%d\r\n",radio.available());
+        if( radio.available()) { //Keep checking on each loop to see if any data has come in
+            HLio = 1;
+            while(radio.available()) { //Loop while there is incoming data. The packets are one unsigned long in total so it shoudl only loop once
+                radio.read(&motor_code, sizeof(unsigned long));//Stuff the incoming packet into the motor_code variable
+
+            }
+            HLio = 0;
+//            radio.stopListening();//We have heard so now we will send an ack
+//            radio.write(&motor_code, sizeof(unsigned long));//Turn the motor code around and send it back
+            radio.startListening();//Go back to listening as this is what this mostly does
+            
+            pc.printf("%d\r\n",motor_code);
+            
+
+        }
+
+//    wait_ms(10);
+    }
+
+}
+
+

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Thu Jul 28 08:12:37 2016 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/f9eeca106725
\ No newline at end of file