Diff: main.cpp

Revision:

5:ddf182356d90

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Oct 06 11:43:00 2021 +0000
@@ -0,0 +1,61 @@
+#include "mbed.h" 
+#include "BufferedSerial.h"
+
+Serial pc(USBTX, USBRX,115200); 
+Serial RS485(D1,D0); // Tx, Rx
+DigitalOut ho(D2);
+
+typedef uint8_t byte;
+
+//byte data[9] = {0x01,0x04,0x00,0x48,0x00,0x02,0xf1,0xdd};//your data
+byte enable[9] = {0x01,0x06,0x20,0x0E,0x00,0x08,0xE2,0x0F};//your data
+byte run[9] = {0x01,0x06,0x20,0x89,0x00,0x0A,0xD3,0xE7};//your data
+byte stop[9] = {0x01,0x06,0x20,0x0E,0x00,0x07,0xA2,0x0B};//your data
+ 
+int main()
+{
+    printf("Main\n");
+    RS485.baud(115200);
+    pc.baud(115200);
+    while(1) {
+        RS485.baud(115200);
+        pc.printf("Starting\n");
+        ho = 1;                  // 3.3V output from digital out pin
+        
+        for (int i=0; i<(sizeof(enable)-1);i++)
+        {
+            RS485.putc(enable[i]);    
+        }
+
+        wait_ms(2000);         // Silent interval
+        
+        for (int i=0; i<(sizeof(run)-1);i++)
+        {
+            RS485.putc(run[i]);    
+        }
+
+        wait_ms(5000);         // Silent interval
+        
+        for (int i=0; i<(sizeof(stop)-1);i++)
+        {
+            RS485.putc(stop[i]);    
+        }
+
+        wait_ms(50);         // Silent interval
+        
+        pc.printf("Getting data\n");
+        
+        ho = 0;
+        pc.printf("The RS485 value %d\n",RS485.readable());
+        
+        char buffer[50];
+        RS485.gets(buffer, 9);
+        
+        for (int count = 0; count < 8; count++) {
+                pc.printf("%02hhX", buffer[count]);
+        }
+        pc.printf("\n");
+        pc.printf("Done\n");
+        wait_ms(1000);
+    }
+} 
\ No newline at end of file