Ported more tests to NUCLEO_F103RB

Author: Bogdan Marinescu

libraries/tests/mbed/echo/main.cpp

@@ -1,9 +1,17 @@
 #include "mbed.h"
 
+#ifdef TARGET_NUCLEO_F103RB
+#define TXPIN     SERIAL_TX
+#define RXPIN     SERIAL_RX
+#else
+#define TXPIN     USBTX
+#define RXPIN     USBRX
+#endif
+
 int main() {
     char buf[256];
 
-    Serial pc(USBTX, USBRX);
+    Serial pc(TXPIN, RXPIN);
     pc.baud(115200);
 
     while (1) {

libraries/tests/mbed/i2c_eeprom/main.cpp

@@ -30,6 +30,8 @@ static const int i2c_delay_us = 0;
 
 #if defined(TARGET_KL25Z)
 I2C i2c(PTE0, PTE1);
+#elif defined(TARGET_NUCLEO_F103RB)
+I2C i2c(I2C_SDA, I2C_SCL);
 #else
 I2C i2c(p28, p27);
 #endif

libraries/tests/mbed/serial_interrupt/main.cpp

@@ -6,7 +6,7 @@ DigitalOut led2(LED2);
 #ifndef TARGET_NUCLEO_F103RB
 Serial computer(USBTX, USBRX);
 #else
-Serial computer(UART_TX, UART_RX);
+Serial computer(SERIAL_TX, SERIAL_RX);
 #endif
 
 // This function is called when a character goes into the TX buffer.