MCUB-3 Add sample Mynewt boot app.
diff --git a/apps/boot/src/boot.c b/apps/boot/src/boot.c
new file mode 100755
index 0000000..fbc4b7d
--- /dev/null
+++ b/apps/boot/src/boot.c
@@ -0,0 +1,76 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+#include <assert.h>
+#include <stddef.h>
+#include <inttypes.h>
+#include "syscfg/syscfg.h"
+#include <flash_map/flash_map.h>
+#include <os/os.h>
+#include <bsp/bsp.h>
+#include <hal/hal_bsp.h>
+#include <hal/hal_system.h>
+#include <hal/hal_flash.h>
+#if MYNEWT_VAL(BOOT_SERIAL)
+#include <hal/hal_gpio.h>
+#include <boot_serial/boot_serial.h>
+#include <sysinit/sysinit.h>
+#endif
+#include <console/console.h>
+#include "bootutil/image.h"
+#include "bootutil/bootutil.h"
+
+#define BOOT_AREA_DESC_MAX (256)
+#define AREA_DESC_MAX (BOOT_AREA_DESC_MAX)
+
+#if MYNEWT_VAL(BOOT_SERIAL)
+#define BOOT_SER_CONS_INPUT 128
+#endif
+
+int
+main(void)
+{
+ struct boot_rsp rsp;
+ int rc;
+
+#if MYNEWT_VAL(BOOT_SERIAL)
+ sysinit();
+#else
+ flash_map_init();
+ hal_bsp_init();
+#endif
+
+#if MYNEWT_VAL(BOOT_SERIAL)
+ /*
+ * Configure a GPIO as input, and compare it against expected value.
+ * If it matches, await for download commands from serial.
+ */
+ hal_gpio_init_in(BOOT_SERIAL_DETECT_PIN, BOOT_SERIAL_DETECT_PIN_CFG);
+ if (hal_gpio_read(BOOT_SERIAL_DETECT_PIN) == BOOT_SERIAL_DETECT_PIN_VAL) {
+ boot_serial_start(BOOT_SER_CONS_INPUT);
+ assert(0);
+ }
+#endif
+ rc = boot_go(&rsp);
+ assert(rc == 0);
+
+ hal_system_start((void *)(rsp.br_image_addr + rsp.br_hdr->ih_hdr_size));
+
+ return 0;
+}