Tsungta Wu / Mbed OS NNN50_SPI_master_to_PIC32

This has been tested with 128D EVB SPI connection is shown as following D3 -> 128D EVB pin 82 D4 -> 128D EVB pin 12 D5 -> 128D EVB pin 39

Diff: mbed_app.json

Revision:
0:01dbd5035212
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed_app.json	Mon Nov 06 06:07:02 2017 +0000
@@ -0,0 +1,17 @@
+{
+    "config": {
+        "lf_clock_rc_calib_timer_interval": {
+            "value": 16,
+            "macro_name": "MBED_CONF_NORDIC_NRF_LF_CLOCK_CALIB_TIMER_INTERVAL"
+        },
+        "lf_clock_rc_calib_mode_config": {
+            "value": 0,
+            "macro_name": "MBED_CONF_NORDIC_NRF_LF_CLOCK_CALIB_MODE_CONFIG"
+        },
+        "uart_hwfc": {
+            "help": "Value: 1 for enable, 0 for disable",
+            "value": 0,
+            "macro_name": "MBED_CONF_NORDIC_UART_HWFC"
+        }        
+    }
+}
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