lpc4322 (SWO): configure the SWO GPIO port as input

Author: Adrian Negreanu

source/hic_hal/nxp/lpc4322/RTE_Device.h

@@ -1161,7 +1161,7 @@
 #endif
 //   <o> RX <0=>Not used <1=>P1_14 <2=>P3_5 <3=>P5_7 <4=>PC_14 <5=>PE_12
 //   <i> UART1 Serial Input pin
-#define   RTE_UART1_RX_ID               0
+#define   RTE_UART1_RX_ID               1
 #if      (RTE_UART1_RX_ID == 0)
   #define RTE_UART1_RX_PIN_EN           0
 #elif    (RTE_UART1_RX_ID == 1)

source/hic_hal/nxp/lpc4322/gpio.c

@@ -75,6 +75,11 @@ void gpio_init(void)
     LPC_SCU->PINTSEL0 &= ~0xff;
     LPC_SCU->PINTSEL0 |= (PORT_nRESET << 5) | (PIN_nRESET_IN_BIT);
 
+#if (SWO_UART != 0)
+    /* Configure: SWO as input */
+    LPC_GPIO_PORT->DIR[PORT_SWO] &= ~(1 << PIN_SWO_IN_BIT);
+#endif
+
     busy_wait(10000);
 }