Diff: main.cpp

Revision:

0:cc2f9ea8cd1f

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sun Jun 16 00:36:06 2019 +0000
@@ -0,0 +1,135 @@
+#include "mbed.h"
+  
+DigitalOut myled1(LED1);
+DigitalOut myled2(LED2);
+DigitalOut myled3(LED3);
+DigitalOut myled4(LED3);
+
+DigitalOut myled(LED1);
+#include "emic2.h"
+
+emic2 myVoice2Text(p28, p27); //serial RX,TX pins to emic
+
+Serial pc(USBTX, USBRX, 9600); //tx,rx,baud
+
+Serial rs485port1(p9, p10, 9600); //tx,rx,baud
+DigitalOut rs485port1mode (p11); //Transmit = 1, Receive = 0
+
+Serial rs485port2(p13, p14, 9600); //tx,rx,baud
+DigitalOut rs485port2mode (p12); //Transmit = 1, Receive = 0
+
+int dataRxCnt        = 0;
+int dataRxBuffer[4]  = {0};
+int cur_address        = 0;
+    
+char fault[4];
+    
+void rx485Message() {
+    // Note: you need to actually read from the serial to clear the RX interrupt
+    int value = rs485port1.getc();
+    
+    if (value){
+        dataRxBuffer[dataRxCnt++]=value;
+        
+        if(dataRxCnt==4) {
+            cur_address = 10*(dataRxBuffer[0] -0x30) + (dataRxBuffer[1] -0x30);
+            pc.printf("Received >> %02d \n\r", cur_address);
+            memset(dataRxBuffer,0,sizeof(dataRxBuffer));
+            dataRxCnt=0;
+        }
+    }
+    myled4 = !myled4;
+}
+
+
+void tx485Message(int address) {
+    
+    int sum =0;
+    
+    char dataTxBuffer[12];
+    sum += dataTxBuffer[0] = 0x40;
+    sum += dataTxBuffer[1]  = 0x01;
+    sum += dataTxBuffer[2]  = address; // floor number
+    sum += dataTxBuffer[3]  = 0x0;
+    sum += dataTxBuffer[4]  = 0x0;
+    sum += dataTxBuffer[5]  = 0x0;
+    sum += dataTxBuffer[6]  = (0x30 + address / 10); 
+    sum += dataTxBuffer[7]  = (0x30 + address % 10); 
+    ; //
+    sum += dataTxBuffer[8]  = 0x0;
+    sum += dataTxBuffer[9]  = 0x0;
+    sum += dataTxBuffer[10] = 0x0;
+    sum += dataTxBuffer[11] = (char)(~sum +1);
+    
+    for(int i= 0;i<12;i++){
+        rs485port2.putc(dataTxBuffer[i]);
+    }
+    
+}
+void say (char *format, ...)
+{
+    char buffer[128];
+    va_list args;
+    va_start(args, format);
+    vsprintf(buffer,format,args);
+    
+    myVoice2Text.speakf("S");//Speak command starts with "S"
+    myVoice2Text.speakf(buffer);  
+    myVoice2Text.speakf("\r"); 
+    myVoice2Text.ready(); 
+    
+    
+    va_end(args);
+}
+
+
+int main() {
+    
+    pc.printf("\n\r");
+    pc.printf("------------------------\n\r");
+    pc.printf("Serial Test\n\r");
+    pc.printf("version = %s %s\n\r", __DATE__, __TIME__ );
+    pc.printf("------------------------\n\r");
+    rs485port1mode = 0; // Receive
+    rs485port2mode = 1; // Transmit
+    
+    
+    myVoice2Text.voice(2);   
+    say("hello");
+    
+    rs485port1.attach(&rx485Message);     
+    
+    while(1) {
+        
+        myled1 != myled1;
+        wait(0.2);
+        
+        myled2 = 0;
+        myled3 = 0;
+        
+        #if 0
+        if(rs485port1.readable() ) {
+            memset(data,0,sizeof(data));
+            rs485port1.scanf("%2s", data);
+            for (int i = 0 ; i < sizeof(data);i++){
+                pc.printf("%02x ", data[i]);
+            }
+            pc.printf("\n\r");
+            
+            myled2 = 1;
+        }
+        else {
+            pc.printf("No serial data on port 1.\r\n");
+            myled3 = 1;
+        }
+        #endif
+        
+        if (cur_address)
+        {
+            tx485Message(cur_address);
+            say("%d is open", cur_address);
+        }
+                
+       wait_ms(1000);
+    }
+}