Revision 5:8d2188479eec, committed 2018-04-20

Comitter:

jblackann

Date:

Fri Apr 20 20:10:03 2018 +0000

Parent:

4:dcee65c6cebf

Commit message:

Added Channel code function and help menu

Changed in this revision

--- a/main.cpp	Tue Apr 17 21:33:05 2018 +0000
+++ b/main.cpp	Fri Apr 20 20:10:03 2018 +0000
@@ -10,6 +10,43 @@
 DigitalOut myled2(LED2);
 LCD_DISCO_L476VG lcd;
 
+void channelChangeMode (void)
+{
+    char stayInWhile = 1;
+    char receivedChannelCharacter;
+    int rf_channel = 2400;
+    pc.printf("Channel menu\n\r");
+    pc.printf("select channel\n\r");
+    while(stayInWhile)
+    {
+        pc.printf("waiting for Channel\n\r");
+         if ( pc.readable() ) 
+         {
+            
+            receivedChannelCharacter = pc.getc();
+
+            if (receivedChannelCharacter >= '1' && receivedChannelCharacter <= '9') // if received 0 through 9 load transmit buffer
+k            {
+                pc.printf("received valid number\n\r");
+                receivedChannelCharacter = receivedChannelCharacter - 0x30;
+                rf_channel = rf_channel + receivedChannelCharacter; 
+                pc.printf("new channel, %d\n\r", rf_channel);
+                my_nrf24l01p.setRfFrequency(rf_channel);
+                wait(1);
+                pc.printf( "nRF24L01+ Frequency    : %d MHz\r\n",  my_nrf24l01p.getRfFrequency() );
+                stayInWhile = 0; 
+            }
+            else
+            {
+                pc.printf(" invalid number\n\r");
+            }
+        }
+        wait(1);
+    }
+    pc.printf("exiting  Channel change mode\n\r");
+    
+}
+
 int main() {
 
 // The nRF24L01+ supports transfers from 1 to 32 bytes, but Sparkfun's
@@ -20,6 +57,8 @@
     char txData[TRANSFER_SIZE], rxData[TRANSFER_SIZE];
     int txDataCnt = 0;
     int rxDataCnt = 0;
+    char receivedTerminalCharacter;
+    
     uint32_t temp = 0;
     uint8_t stemp[7] = {0};
     //uint8_t title[] = "      DISCOVERY STM32L476";
@@ -51,21 +90,44 @@
 
         // If we've received anything over the host serial link...
         if ( pc.readable() ) {
+            
+            receivedTerminalCharacter = pc.getc();
 
-            // ...add it to the transmit buffer
-            txData[txDataCnt++] = pc.getc();}
+            if (receivedTerminalCharacter >= '0' && receivedTerminalCharacter <= '9') // if received 0 through 9 load transmit buffer
+            {
+                pc.printf("Loading TX buffer");
+                // ...add it to the transmit buffer
+                txData[txDataCnt++] = pc.getc();
+
 
-            // If the transmit buffer is full
-            if ( txDataCnt >= sizeof( txData ) ) {
+                // If the transmit buffer is full
+                if ( txDataCnt >= sizeof( txData ) ) {
+
+                    // Send the transmitbuffer via the nRF24L01+
+                    my_nrf24l01p.write( NRF24L01P_PIPE_P0, txData, txDataCnt );
+
+                    txDataCnt = 0;
+
 
-                // Send the transmitbuffer via the nRF24L01+
-                my_nrf24l01p.write( NRF24L01P_PIPE_P0, txData, txDataCnt );
-
-                txDataCnt = 0;
+                    // Toggle LED1 (to help debug Host -> nRF24L01+ communication)
+                    myled1 = !myled1;
+                }
+            }
             
-
-            // Toggle LED1 (to help debug Host -> nRF24L01+ communication)
-            myled1 = !myled1;
+            else if (receivedTerminalCharacter == 'h')
+            {
+                 pc.printf("Radio help menu\n\r");
+                 pc.printf("Press c for channel: \n\r");
+                 pc.printf("Press t for TX Power: \n\r");
+                 pc.printf("Press d for datarate: \n\r");
+            }
+            else if (receivedTerminalCharacter == 'c')
+            {
+                
+                channelChangeMode();
+                
+            }
+                
         }
 
         // If we've received anything in the nRF24L01+...