Diff: main.cpp

Revision:

0:49a7ebfbee00

Child:

1:2b5aaaddd35e

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sat May 13 11:11:00 2017 +0000
@@ -0,0 +1,214 @@
+/*
+ * Author: Edoardo De Marchi
+ * Date: 17-05-13
+ * Notes: Test code for Microcip RN4020 BLE
+*/
+
+
+#include "main.h"
+
+
+// Send command to ble
+void send_cmd(char* cmd) 
+{
+    ble_rn.printf("%s", cmd); 
+}
+
+ 
+
+// write to phone via bluetooth
+void write_characteristic(char* data, int length) 
+{  
+    memset(buffer, 0, sizeof(buffer));
+    sprintf(buffer, "SUW,%s,%s\n", uuidR, data);
+    send_cmd(buffer);
+}
+ 
+ 
+ 
+// init ble
+void setup_ble() 
+{
+    // Set the WAKE_SW pin high to enter Command mode.
+    wakeSw = 1; 
+    wakeHw = 0;
+    
+    // enable Command Mode
+    cmdMldp = 0;                        // (0 --> CMD, 1 --> MLDP)
+
+
+    // reset to the factory default configuration
+    send_cmd("SF,1\n");
+    osDelay(500);                 
+    pc.printf("SF,1\n");
+
+
+    // sets the services supported
+    send_cmd("SS,C0000001\n");          // Private Service + Device Information
+    osDelay(500);
+    pc.printf("SS,C0000001\n");
+    
+    
+    // sets the supported features of current RN4020 module
+    send_cmd("SR,20002000\n");          // Auto Advertise-Server Only                                        
+    osDelay(500);
+    pc.printf("SR,20002000\n");
+   
+    
+    // sets the device name
+    send_cmd("SN,RN4020\n");           
+    osDelay(500);
+    pc.printf("SN,RN4020\n");
+    
+    
+    // Clear private service
+    send_cmd("PZ\n");                               
+    osDelay(500);
+    pc.printf("PZ\n");
+
+    
+    // Set private service UUID
+    memset(buffer, 0, sizeof(buffer));
+    sprintf(buffer, "PS,%s\n", suuid);              
+    send_cmd(buffer);
+    osDelay(500);
+    pc.printf("%s", buffer);
+    
+
+    // Set private characteristic UUID Read/Notify
+    memset(buffer, 0, sizeof(buffer));
+    sprintf(buffer, "PC,%s,12,14\n", uuidR);         // Read + Notify  10010b = 12hex and maximum data size of 20 bytes
+    send_cmd(buffer);
+    osDelay(500);
+    pc.printf("%s", buffer);
+    
+    
+    // Set private characteristic UUID Write
+    memset(buffer, 0, sizeof(buffer));
+    sprintf(buffer, "PC,%s,08,14\n", uuidW);         // Write  1000b = 08hex and maximum data size of 20 bytes
+    send_cmd(buffer);
+    osDelay(500);
+    pc.printf("%s", buffer);
+    
+    
+    // reboot the RN4020 module and to make the new settings effective
+    send_cmd("R,1\n"); 
+    osDelay(500);                 
+    pc.printf("R,1\n");
+  
+  
+    // Start advertising
+    send_cmd("A\n");
+    osDelay(500);                   
+    pc.printf("A\n");
+    
+    
+    osDelay(2000); 
+
+
+    // Show list of Services
+    send_cmd("LS\n");
+    osDelay(500);                   
+    pc.printf("LS\n");
+    
+      
+    start_ble = true;
+} 
+ 
+
+
+// This function is called when a character goes into the RX buffer.
+void rxBleCallback(MODSERIAL_IRQ_INFO *q) 
+{
+    led2 = 1;
+    new_from_ble = true;
+}
+
+// This function is called when a character goes into the RX buffer.
+void rxPcCallback(MODSERIAL_IRQ_INFO *q) 
+{
+    led3 = 1;
+    new_from_pc = true;
+} 
+
+
+
+// read from BLE
+void read_thread(void const *argument)
+{
+    while (true) 
+    {
+        if(new_from_ble)
+        {
+            memset(blueChar, 0, sizeof(blueChar)); 
+            
+            int i = 0;
+            while(ble_rn.readable())
+            {
+                blueChar[i] = ble_rn.getc();           
+                i++;        
+            }
+            if(i > 0)
+            {
+                printf("%s", blueChar);
+                new_from_ble = false;  
+            } 
+            
+            led2 = 0;
+        }  
+    } 
+} 
+
+
+
+
+
+ 
+int main() 
+{   
+
+    ble_rn.baud(115200);
+    pc.baud(115200);
+    
+    ble_rn.attach(&rxBleCallback);
+    pc.attach(&rxPcCallback);
+ 
+    osThreadCreate(osThread(read_thread), NULL);
+    
+    pc.printf("Bluetooth Start\r\n");
+    
+    // Init device
+    setup_ble();
+ 
+    
+    int i = 0;
+   
+    while(1)
+    {
+        if(new_from_pc)
+        {
+            // receive from PC uart
+            int i = 0;
+            while(pc.readable())
+            {
+                pcChar[i] = pc.getc();
+                i++;
+            }
+            
+            printf("Received from PC: %s", pcChar); 
+            
+            // send to ble
+            write_characteristic(pcChar, i);
+            memset(pcChar, 0, sizeof(pcChar));
+            new_from_pc = false;
+            led3 = 0;
+        } 
+        osDelay(100);
+        i++;
+        if(i == 5)
+        {
+            led1 = !led1;
+            i=0;    
+        }
+    } 
+}
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