Example using the UBLOX_C030_U201 board to communicate over a cellular link with Mbed Cloud.

Revision:
2:a34e80e223c2
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/bootloader/mbed_app.json	Sun Oct 14 17:06:16 2018 +0100
@@ -0,0 +1,65 @@
+{
+    "macros": [
+        "MBEDTLS_USER_CONFIG_FILE=\"bootloader_mbedtls_user_config.h\"",
+        "MAX_COPY_RETRIES=1",
+        "SHOW_PROGRESS_BAR=1",
+        "MAX_BOOT_RETRIES=3",
+        "ARM_UC_USE_PAL_CRYPTO=0",
+        "ARM_BOOTLOADER_USE_NVSTORE_ROT=1",
+        "ARM_UC_USE_PAL_BLOCKDEVICE=1",
+        "ARM_UC_PAAL_TRACE_ENABLE=0",
+        "MBED_CLOUD_CLIENT_UPDATE_STORAGE=ARM_UCP_FLASHIAP_BLOCKDEVICE",
+        "DEFAULT_MAX_APPLICATION_SIZE=(MBED_CONF_APP_FLASH_START_ADDRESS + MBED_CONF_APP_FLASH_SIZE - MBED_CONF_APP_APPLICATION_START_ADDRESS)",
+        "DISABLE_ERROR_DESCRIPTION=1",
+        "Mutex=PlatformMutex"
+    ],
+    "config": {
+        "application-start-address": {
+            "help": "Address to the beginning of the active application firmware in flash",
+            "value": null
+        },
+        "application-jump-address": {
+            "help": "Jump address for running the active application firmware",
+            "value": null
+        },
+        "max-application-size": {
+            "help": "Maximum size of the active application",
+            "value": null
+        },
+        "flash-start-address": {
+            "help": "Start address of internal flash. Only used in this config to help the definition of other macros.",
+            "value": null
+        },
+        "flash-size": {
+            "help": "Total size of internal flash. Only used in this config to help the definition of other macros.",
+            "value": null
+        }
+    },
+    "target_overrides": {
+        "*": {
+            "target.features_remove": ["LWIP"],
+            "target.features_add"   : ["COMMON_PAL"],
+            "platform.stdio-baud-rate"    : 115200,
+            "platform.stdio-flush-at-exit": false,
+            "update-client.storage-address"  : "(1024*1024*64)",
+            "update-client.storage-size"     : "(1024*1024*2)",
+            "update-client.storage-locations": 1,
+            "update-client.firmware-header-version": "2"
+        },
+        "UBLOX_C030_U201": {
+            "flash-start-address"              : "0x08000000",
+            "flash-size"                       : "(1024*1024)",
+            "nvstore.area_1_address"           : "(0x080C0000)",
+            "nvstore.area_1_size"              : "(128*1024)",
+            "nvstore.area_2_address"           : "(0x080E0000)",
+            "nvstore.area_2_size"              : "(128*1024)",
+            "update-client.application-details": "(MBED_CONF_APP_FLASH_START_ADDRESS+64*1024)",
+            "application-start-address"        : "(MBED_CONF_APP_FLASH_START_ADDRESS+65*1024)",
+            "max-application-size"             : "DEFAULT_MAX_APPLICATION_SIZE",
+            "sd.SPI_MOSI"  : "D11",
+            "sd.SPI_MISO"  : "D12",
+            "sd.SPI_CLK"   : "D13",
+            "sd.SPI_CS"    : "D10"
+        }
+    }
+}