Diff: main.cpp

Revision:

0:10acfb197498

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Fri May 17 13:09:38 2019 +0000
@@ -0,0 +1,69 @@
+#include "mbed.h"
+#include "circularBuff.h"
+
+Serial pc(USBTX,USBRX), rs485(p9,p10);
+DigitalOut en(p19);
+
+DigitalOut led1(LED1);
+circ_buf_t buf1, buf2;
+volatile bool buf1ready, buf2ready;
+
+void rs485Rx_isr(){
+    uint8_t a = rs485.getc();
+    if(a != NULL)
+        circ_buf_put(&buf1,a);
+    else{
+        circ_buf_put(&buf1,a);
+        buf1ready=true;
+    }
+}
+
+void rs485Tx_isr(){
+    en=0;
+}
+
+void pcRx_isr(){
+    uint8_t a = pc.getc();
+    if(a != NULL)
+        circ_buf_put(&buf2,a);
+    else{
+        circ_buf_put(&buf2,a);
+        buf2ready=true;
+    }
+}
+
+int main() {
+    buf1.size=255;
+    buf2.size=255;
+    buf1.buffer=(uint8_t*)malloc(255);
+    buf2.buffer=(uint8_t*)malloc(255);
+    pc.printf("Hola");
+    en=1;
+    rs485.printf("Hola");
+    pc.attach(&pcRx_isr,Serial::RxIrq);
+    rs485.attach(&rs485Rx_isr,Serial::RxIrq);
+    rs485.attach(&rs485Tx_isr,Serial::TxIrq);
+    while(1) {
+        if(buf2ready){
+            en=1;
+            uint8_t a=0;
+            do{
+            circ_buf_get(&buf2,&a);
+            rs485.putc(a);    
+            }while(a!=NULL);
+            buf2ready=false;
+        }
+        if(buf1ready){
+            uint8_t a=0;
+            do{
+            circ_buf_get(&buf1,&a);
+            pc.putc(a);    
+            }while(a!=NULL);
+            buf1ready=false;
+        }
+        led1 = 1;
+        wait(0.2);
+        led1 = 0;
+        wait(0.2);
+    }
+}