DMX512 send/recv library

Revision 5:72039cd4c874, committed 2013-01-04

Comitter:

okini3939

Date:

Fri Jan 04 04:31:53 2013 +0000

Parent:

4:dd0544c80096

Child:

6:9e7b4eeac6ec

Commit message:

support LPC11U24

Changed in this revision

--- a/DMX.cpp	Wed Nov 21 01:44:21 2012 +0000
+++ b/DMX.cpp	Fri Jan 04 04:31:53 2013 +0000
@@ -4,14 +4,14 @@
  * Released under the MIT License: http://mbed.org/license/mit
  */
 
-/** @file DMX.cpp
+/** @file dmx.cpp
  * @brief DMX512 send/recv
  */
 
 #include "mbed.h"
 #include "DMX.h"
 
-DMX::DMX (PinName p_tx, PinName p_rx) : dmx(p_tx, p_rx) {
+DMX::DMX (PinName p_tx, PinName p_rx) : _dmx(p_tx, p_rx) {
     int i;
 
     for (i = 0; i < DMX_SIZE; i ++) {
@@ -24,6 +24,7 @@
     is_recived = 0;
     is_sent = 0;
 
+#if defined(TARGET_LPC1768) || defined(TARGET_LPC2368)
     if (p_tx == p9) {
       uart_lcr = &LPC_UART3->LCR;
       uart_thr = &LPC_UART3->THR;
@@ -51,10 +52,21 @@
       uart_rbr = &LPC_UART2->RBR;
       NVIC_SetPriority(UART2_IRQn, 1);
     }
+#elif defined(TARGET_LPC11U24)
+    if (p_tx == p9) {
+      uart_lcr = &LPC_USART->LCR;
+      uart_thr = &LPC_USART->THR;
+    }
+    if (p_rx == p10) {
+      uart_lsr = &LPC_USART->LSR;
+      uart_rbr = &LPC_USART->RBR;
+      NVIC_SetPriority(UART_IRQn, 1);
+    }
+#endif
 
-    dmx.baud(250000);
-    dmx.format(8, Serial::None, 2);
-    dmx.attach(this, &DMX::int_rx, Serial::RxIrq);
+    _dmx.baud(250000);
+    _dmx.format(8, Serial::None, 2);
+    _dmx.attach(this, &DMX::int_rx, Serial::RxIrq);
 
 //    timeout01.attach_us(this, &DMX::int_timer, DMX_TIME_BETWEEN);
 }
@@ -91,11 +103,11 @@
         timeout01.detach();
         addr_tx = 0;
         mode_tx = DMX_MODE_DATA;
-        dmx.attach(this, &DMX::int_tx, Serial::TxIrq);
+        _dmx.attach(this, &DMX::int_tx, Serial::TxIrq);
 #ifdef DMX_UART_DIRECT
         *uart_thr = 0;
 #else
-        dmx.putc(0);
+        _dmx.putc(0);
 #endif
         break;
     }
@@ -108,11 +120,11 @@
 #ifdef DMX_UART_DIRECT
             *uart_thr = (uint8_t)data_tx[addr_tx];
 #else
-            dmx.putc(data_tx[addr_tx]);
+            _dmx.putc(data_tx[addr_tx]);
 #endif
             addr_tx ++;
         } else {
-            dmx.attach(0, Serial::TxIrq);
+            _dmx.attach(0, Serial::TxIrq);
             mode_tx = DMX_MODE_BEGIN;
             is_sent = 1;
             timeout01.attach_us(this, &DMX::int_timer, DMX_TIME_BETWEEN);
@@ -127,7 +139,7 @@
 #ifdef DMX_UART_DIRECT
     dat = *uart_rbr;
 #else
-    dat = dmx.getc();
+    dat = _dmx.getc();
 #endif
 
     if (flg & ((1 << 7)|(1 << 3)|(1 << 4))) {
@@ -172,7 +184,7 @@
 }
 
 void DMX::stop () {
-    dmx.attach(0, Serial::TxIrq);
+    _dmx.attach(0, Serial::TxIrq);
     timeout01.detach();
     mode_tx = DMX_MODE_STOP;
 }

--- a/DMX.h	Wed Nov 21 01:44:21 2012 +0000
+++ b/DMX.h	Fri Jan 04 04:31:53 2013 +0000
@@ -67,12 +67,19 @@
     void int_tx ();
     void int_rx ();
 
-    Serial dmx;
+    Serial _dmx;
     Timeout timeout01;
+#if defined(TARGET_LPC1768) || defined(TARGET_LPC2368)
     __IO uint8_t *uart_lcr;
     __I  uint8_t *uart_lsr;
     __IO uint8_t *uart_thr;
     __I  uint8_t *uart_rbr;
+#elif defined(TARGET_LPC11U24)
+    __IO uint32_t *uart_lcr;
+    __I  uint32_t *uart_lsr;
+    __IO uint32_t *uart_thr;
+    __I  uint32_t *uart_rbr;
+#endif
     volatile DMX_MODE mode_tx, mode_rx;
     volatile int addr_tx, addr_rx;
     unsigned char data_tx[DMX_SIZE];