MODSERIAL with support for more devices - Added target NUCLEO_F103RB

Revision:
46:d2a5e26fd658
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Device/MODSERIALNUCLEO_F103RB.cpp	Sun May 05 14:57:11 2019 +0000
@@ -0,0 +1,24 @@
+#ifdef TARGET_NUCLEO_F103RB
+#include "MODSERIAL.h"
+
+void MODSERIAL::setBase(void ) {
+#if DEVICE_SERIAL_ASYNCH
+switch( _serial.serial.index ) {
+#else
+switch( _serial.index ) {
+#endif
+        case 0: _base = USART1; _IRQ = USART1_IRQn; break;
+        case 1: _base = USART2; _IRQ = USART2_IRQn; break;
+        case 2: _base = USART3; _IRQ = USART3_IRQn; break;
+        default: _base = NULL; _IRQ = (IRQn_Type)NULL; break;
+    }
+}
+
+void MODSERIAL::initDevice(void) {};
+
+bool MODSERIAL::txIsBusy( void ) 
+{ 
+    return ( (((USART_TypeDef*)_base)->SR & ( 1UL << 6 )) == 0 ) ? true : false; 
+} 
+
+#endif
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