DMX512 send/recv library

Diff: DMX.cpp

Revision:

18:69d65ca92bcc

Parent:

17:c9198630ba05

Child:

19:ae8fd2ba7c53

--- a/DMX.cpp	Wed Sep 30 13:52:20 2015 +0000
+++ b/DMX.cpp	Mon Jan 11 06:17:04 2016 +0000
@@ -17,10 +17,13 @@
 //    mode_tx = DMX_MODE_BEGIN;
     mode_tx = DMX_MODE_STOP;
     mode_rx = DMX_MODE_BEGIN;
-    is_recived = 0;
-    is_sent = 0;
+    is_received = 0;
+    is_sent    = 0;
     memset(data_tx, 0, sizeof(data_tx));
     memset(data_rx, 0, sizeof(data_rx));
+    time_break = DMX_TIME_BREAK;
+    time_mab   = DMX_TIME_MAB;
+    time_mbb   = DMX_TIME_MBB;
 
 #if defined(TARGET_LPC1768) || defined(TARGET_LPC2368)
     if (p_rx == P0_3) {
@@ -110,7 +113,7 @@
         timeout01.detach();
         _uart->LCR |= (1 << 6);
         mode_tx = DMX_MODE_BREAK;
-        timeout01.attach_us(this, &DMX::int_timer, DMX_TIME_BREAK);
+        timeout01.attach_us(this, &DMX::int_timer, time_break);
         break;
 
     case DMX_MODE_BREAK:
@@ -118,7 +121,7 @@
         timeout01.detach();
         _uart->LCR &= ~(1 << 6);
         mode_tx = DMX_MODE_MAB;
-        timeout01.attach_us(this, &DMX::int_timer, DMX_TIME_MAB);
+        timeout01.attach_us(this, &DMX::int_timer, time_mab);
         break;
 
     case DMX_MODE_MAB:
@@ -151,7 +154,7 @@
             _dmx.attach(0, Serial::TxIrq);
             mode_tx = DMX_MODE_BEGIN;
             is_sent = 1;
-            timeout01.attach_us(this, &DMX::int_timer, DMX_TIME_BETWEEN);
+            timeout01.attach_us(this, &DMX::int_timer, time_mbb);
         }
     }
 }
@@ -169,7 +172,7 @@
     if (flg & ((1 << 7)|(1 << 3)|(1 << 4))) {
         // Break Time
         if (addr_rx >= 24 && mode_rx == DMX_MODE_DATA) {
-            is_recived = 1;
+            is_received = 1;
         }
         mode_rx = DMX_MODE_BREAK;
         return;
@@ -193,7 +196,7 @@
         addr_rx ++;
 
         if (addr_rx >= DMX_SIZE) {
-            is_recived = 1;
+            is_received = 1;
             mode_rx = DMX_MODE_BEGIN;
         }
     }
@@ -203,7 +206,7 @@
     if (mode_tx == DMX_MODE_STOP) {
         mode_tx = DMX_MODE_BEGIN;
         is_sent = 0;
-        timeout01.attach_us(this, &DMX::int_timer, DMX_TIME_BETWEEN);
+        timeout01.attach_us(this, &DMX::int_timer, time_mbb);
     }
 }
 
@@ -222,9 +225,9 @@
     }
 }
 
-int DMX::isRecived (){
-    int r = is_recived;
-    is_recived = 0;
+int DMX::isReceived (){
+    int r = is_received;
+    is_received = 0;
     return r;
 }
 
@@ -241,3 +244,14 @@
 unsigned char *DMX::getTxBuffer () {
     return data_tx;
 }
+
+int DMX::setTimingParameters (int breaktime, int mab, int mbb) {
+    if (breaktime < 88 || breaktime > 1000000) return -1;
+    if (mab < 8 || mab > 1000000) return -1;
+    if (mbb < 0 || mbb > 1000000) return -1;
+
+    time_break = breaktime;
+    time_mab   = mab;
+    time_mbb   = mbb;
+    return 0;
+}