mbed library sources. Supersedes mbed-src. removed serial

Fork of mbed-dev by mbed official

Revision:
153:fa9ff456f731
Parent:
149:156823d33999
--- a/targets/TARGET_Maxim/TARGET_MAX32620/serial_api.c	Thu Dec 15 11:48:27 2016 +0000
+++ b/targets/TARGET_Maxim/TARGET_MAX32620/serial_api.c	Tue Dec 20 17:27:56 2016 +0000
@@ -323,7 +323,7 @@
 //******************************************************************************
 int serial_readable(serial_t *obj)
 {
-    return (obj->uart->intfl & MXC_F_UART_INTFL_RX_FIFO_NOT_EMPTY);
+    return (obj->uart->rx_fifo_ctrl & MXC_F_UART_RX_FIFO_CTRL_FIFO_ENTRY);
 }
 
 //******************************************************************************