board: comment USART definitions and add corresponding IRQ numbers
Change-Id: I3c38e7d75bc7b511827c33af69e335e50d0b35d2
diff --git a/firmware/libboard/common/include/board_common.h b/firmware/libboard/common/include/board_common.h
index 8349698..27f7409 100644
--- a/firmware/libboard/common/include/board_common.h
+++ b/firmware/libboard/common/include/board_common.h
@@ -81,10 +81,19 @@
#define BOARD_ISO7816_BASE_USART USART0
#define BOARD_ISO7816_ID_USART ID_USART0
+/* USART peripherals for a phone and SIM card setup */
+/* USART peripheral connected to the SIM card */
#define USART_SIM USART0
+/* ID of USART peripheral connected to the SIM card */
#define ID_USART_SIM ID_USART0
-#define USART_PHONE USART1
-#define ID_USART_PHONE ID_USART1
+/* Interrupt request ID of USART peripheral connected to the SIM card */
+#define IRQ_USART_SIM USART0_IRQn
+/* USART peripheral connected to the phone */
+#define USART_PHONE USART1
+/* ID of USART peripheral connected to the phone */
+#define ID_USART_PHONE ID_USART1
+/* Interrupt request ID of USART peripheral connected to the phone */
+#define IRQ_USART_PHONE USART1_IRQn
#define SIM_PWEN PIO_PA5
#define VCC_FWD PIO_PA26