Changed to using bare metal profile for flash savings

Author: AGlass0fMilk

default_bd.cpp

@@ -0,0 +1,70 @@
+/*
+ * default_bd.cpp
+ *
+ *  Created on: Jul 30, 2020
+ *      Author: gdbeckstein
+ */
+
+#include "BlockDevice.h"
+
+#if COMPONENT_SPIF
+#include "components/storage/blockdevice/COMPONENT_SPIF/SPIFBlockDevice.h"
+#endif
+
+#if COMPONENT_QSPIF
+#include "components/storage/blockdevice/COMPONENT_QSPIF/QSPIFBlockDevice.h"
+#endif
+
+#if COMPONENT_DATAFLASH
+#include "components/storage/blockdevice/COMPONENT_DATAFLASH/DataFlashBlockDevice.h"
+#endif
+
+#if COMPONENT_SD
+#include "components/storage/blockdevice/COMPONENT_SD/SDBlockDevice.h"
+
+#if (STATIC_PINMAP_READY)
+const spi_pinmap_t static_spi_pinmap = get_spi_pinmap(MBED_CONF_SD_SPI_MOSI, MBED_CONF_SD_SPI_MISO, MBED_CONF_SD_SPI_CLK, NC);
+#endif
+#endif
+
+BlockDevice *BlockDevice::get_default_instance()
+{
+#if COMPONENT_SPIF
+
+    static SPIFBlockDevice default_bd;
+
+    return &default_bd;
+
+#elif COMPONENT_QSPIF
+
+    static QSPIFBlockDevice default_bd;
+
+    return &default_bd;
+
+#elif COMPONENT_DATAFLASH
+
+    static DataFlashBlockDevice default_bd;
+
+    return &default_bd;
+
+#elif COMPONENT_SD
+
+#if (STATIC_PINMAP_READY)
+    static SDBlockDevice default_bd(
+        static_spi_pinmap,
+        MBED_CONF_SD_SPI_CS
+    );
+#else
+    static SDBlockDevice default_bd;
+#endif
+
+    return &default_bd;
+
+#else
+
+    return NULL;
+
+#endif
+
+}
+

ep-oc-mcu.lib

@@ -0,0 +1 @@
+https://github.com/EmbeddedPlanet/ep-oc-mcu/#e482995c2a9346cbf5b78deb3b396f54c6ad75c1

flash_map.cpp

@@ -1,15 +1,19 @@
 {
+    "requires": ["bare-metal", "mbedtls", "mcuboot", "flashiap-block-device", "spif-driver", "qspif", "mbed-trace"],
     "target_overrides": {
         "*": {
-            "target.restrict_size": "0x20000"
+            "target.restrict_size": "0x20000",
+            "target.c_lib": "small"
         },
 	"NRF52840_DK": {
+            "target.device_has_remove": ["ITM"],
             "target.features_add": ["STORAGE"],
 	    "target.features_remove": ["CRYPTOCELL310"],
 	    "target.macros_remove": ["MBEDTLS_CONFIG_HW_SUPPORT"],
             "target.components_add": ["QSPIF", "FLASHIAP"]
 	},
         "EP_AGORA": {
+            "target.device_has_remove": ["ITM"],
             "target.features_add": ["STORAGE"],
             "target.features_remove": ["CRYPTOCELL310"],
             "target.macros_remove": ["MBEDTLS_CONFIG_HW_SUPPORT"],

mbed_app.json

@@ -0,0 +1 @@
+https://github.com/EmbeddedPlanet/tinycbor/#c49bb8f5f158c9f37b7cef5bb9eb7ee0a9eb6707

tinycbor.lib

@@ -0,0 +1,44 @@
+/*
+ * user_main.cpp
+ *
+ *  Created on: Jul 30, 2020
+ *      Author: gdbeckstein
+ */
+
+#include "BlockDevice.h"
+
+/** Enable serial bootloader feature by default */
+#ifndef MBED_CONF_APP_SERIAL_BOOTLOADER_ENABLE
+#define MBED_CONF_APP_SERIAL_BOOTLOADER_ENABLE 1
+#endif
+
+#if MBED_CONF_APP_SERIAL_BOOTLOADER_ENABLE
+
+#include "rtos/ThisThread.h"
+#include <chrono>
+
+#define BOOT_WAIT_TIMEOUT 5s
+
+using namespace std::chrono;
+
+#endif // MBED_CONF_APP_SERIAL_BOOTLOADER_ENABLE
+
+mbed::BlockDevice* mcuboot_secondary_bd;
+
+void mbed_mcuboot_user_init(void) {
+
+    mbed::BlockDevice* mcuboot_secondary_bd = mbed::BlockDevice::get_default_instance();
+
+    // Initialize the secondary/update candidate block device
+    mcuboot_secondary_bd->init();
+
+#if MBED_CONF_APP_SERIAL_BOOTLOADER_ENABLE
+
+    // Set up the serial bootloader
+
+#endif // MBED_CONF_APP_SERIAL_BOOTLOADER_ENABLE
+
+}
+
+
+