diff --git a/demos/host/host_bulk_xfer/.cproject b/demos/host/host_bulk_xfer/.cproject
new file mode 100644
index 000000000..9e98710fb
--- /dev/null
+++ b/demos/host/host_bulk_xfer/.cproject
@@ -0,0 +1,5089 @@
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+ <?xml version="1.0" encoding="UTF-8"?>
+<TargetConfig>
+<Properties property_0="" property_2="LPC18x7_43x7_2x512_BootA.cfx" property_3="NXP" property_4="LPC4357" property_count="5" version="1"/>
+<infoList vendor="NXP"><info chip="LPC4357" flash_driver="LPC18x7_43x7_2x512_BootA.cfx" match_id="0x0" name="LPC4357" stub="crt_emu_lpc18_43_nxp"><chip><name>LPC4357</name>
+<family>LPC43xx</family>
+<vendor>NXP (formerly Philips)</vendor>
+<reset board="None" core="Real" sys="Real"/>
+<clock changeable="TRUE" freq="20MHz" is_accurate="TRUE"/>
+<memory can_program="true" id="Flash" is_ro="true" type="Flash"/>
+<memory id="RAM" type="RAM"/>
+<memory id="Periph" is_volatile="true" type="Peripheral"/>
+<memoryInstance derived_from="Flash" id="MFlashA512" location="0x1a000000" size="0x80000"/>
+<memoryInstance derived_from="Flash" id="MFlashB512" location="0x1b000000" size="0x80000"/>
+<memoryInstance derived_from="RAM" id="RamLoc32" location="0x10000000" size="0x8000"/>
+<memoryInstance derived_from="RAM" id="RamLoc40" location="0x10080000" size="0xa000"/>
+<memoryInstance derived_from="RAM" id="RamAHB32" location="0x20000000" size="0x8000"/>
+<memoryInstance derived_from="RAM" id="RamAHB16" location="0x20008000" size="0x4000"/>
+<memoryInstance derived_from="RAM" id="RamAHB_ETB16" location="0x2000c000" size="0x4000"/>
+<prog_flash blocksz="0x2000" location="0x1a000000" maxprgbuff="0x400" progwithcode="TRUE" size="0x10000"/>
+<prog_flash blocksz="0x10000" location="0x1a010000" maxprgbuff="0x400" progwithcode="TRUE" size="0x70000"/>
+<prog_flash blocksz="0x2000" location="0x1b000000" maxprgbuff="0x400" progwithcode="TRUE" size="0x10000"/>
+<prog_flash blocksz="0x10000" location="0x1b010000" maxprgbuff="0x400" progwithcode="TRUE" size="0x70000"/>
+<peripheralInstance derived_from="V7M_MPU" id="MPU" location="0xe000ed90"/>
+<peripheralInstance derived_from="V7M_NVIC" id="NVIC" location="0xe000e000"/>
+<peripheralInstance derived_from="V7M_DCR" id="DCR" location="0xe000edf0"/>
+<peripheralInstance derived_from="V7M_ITM" id="ITM" location="0xe0000000"/>
+<peripheralInstance derived_from="SCT" id="SCT" location="0x40000000"/>
+<peripheralInstance derived_from="GPDMA" id="GPDMA" location="0x40002000"/>
+<peripheralInstance derived_from="SDMMC" id="SDMMC" location="0x40004000"/>
+<peripheralInstance derived_from="EMC" id="EMC" location="0x40005000"/>
+<peripheralInstance derived_from="USB0" id="USB0" location="0x40006000"/>
+<peripheralInstance derived_from="USB1" id="USB1" location="0x40007000"/>
+<peripheralInstance derived_from="LCD" id="LCD" location="0x40008000"/>
+<peripheralInstance derived_from="ETHERNET" id="ETHERNET" location="0x40010000"/>
+<peripheralInstance derived_from="ATIMER" id="ATIMER" location="0x40040000"/>
+<peripheralInstance derived_from="REGFILE" id="REGFILE" location="0x40041000"/>
+<peripheralInstance derived_from="PMC" id="PMC" location="0x40042000"/>
+<peripheralInstance derived_from="CREG" id="CREG" location="0x40043000"/>
+<peripheralInstance derived_from="EVENTROUTER" id="EVENTROUTER" location="0x40044000"/>
+<peripheralInstance derived_from="RTC" id="RTC" location="0x40046000"/>
+<peripheralInstance derived_from="CGU" id="CGU" location="0x40050000"/>
+<peripheralInstance derived_from="CCU1" id="CCU1" location="0x40051000"/>
+<peripheralInstance derived_from="CCU2" id="CCU2" location="0x40052000"/>
+<peripheralInstance derived_from="RGU" id="RGU" location="0x40053000"/>
+<peripheralInstance derived_from="WWDT" id="WWDT" location="0x40080000"/>
+<peripheralInstance derived_from="USART0" id="USART0" location="0x40081000"/>
+<peripheralInstance derived_from="USART2" id="USART2" location="0x400c1000"/>
+<peripheralInstance derived_from="USART3" id="USART3" location="0x400c2000"/>
+<peripheralInstance derived_from="UART1" id="UART1" location="0x40082000"/>
+<peripheralInstance derived_from="SSP0" id="SSP0" location="0x40083000"/>
+<peripheralInstance derived_from="SSP1" id="SSP1" location="0x400c5000"/>
+<peripheralInstance derived_from="TIMER0" id="TIMER0" location="0x40084000"/>
+<peripheralInstance derived_from="TIMER1" id="TIMER1" location="0x40085000"/>
+<peripheralInstance derived_from="TIMER2" id="TIMER2" location="0x400c3000"/>
+<peripheralInstance derived_from="TIMER3" id="TIMER3" location="0x400c4000"/>
+<peripheralInstance derived_from="SCU" id="SCU" location="0x40086000"/>
+<peripheralInstance derived_from="GPIO-PIN-INT" id="GPIO-PIN-INT" location="0x40087000"/>
+<peripheralInstance derived_from="GPIO-GROUP-INT0" id="GPIO-GROUP-INT0" location="0x40088000"/>
+<peripheralInstance derived_from="GPIO-GROUP-INT1" id="GPIO-GROUP-INT1" location="0x40089000"/>
+<peripheralInstance derived_from="MCPWM" id="MCPWM" location="0x400a0000"/>
+<peripheralInstance derived_from="I2C0" id="I2C0" location="0x400a1000"/>
+<peripheralInstance derived_from="I2C1" id="I2C1" location="0x400e0000"/>
+<peripheralInstance derived_from="I2S0" id="I2S0" location="0x400a2000"/>
+<peripheralInstance derived_from="I2S1" id="I2S1" location="0x400a3000"/>
+<peripheralInstance derived_from="C-CAN1" id="C-CAN1" location="0x400a4000"/>
+<peripheralInstance derived_from="RITIMER" id="RITIMER" location="0x400c0000"/>
+<peripheralInstance derived_from="QEI" id="QEI" location="0x400c6000"/>
+<peripheralInstance derived_from="GIMA" id="GIMA" location="0x400c7000"/>
+<peripheralInstance derived_from="DAC" id="DAC" location="0x400e1000"/>
+<peripheralInstance derived_from="C-CAN0" id="C-CAN0" location="0x400e2000"/>
+<peripheralInstance derived_from="ADC0" id="ADC0" location="0x400e3000"/>
+<peripheralInstance derived_from="ADC1" id="ADC1" location="0x400e4000"/>
+<peripheralInstance derived_from="GPIO-PORT" id="GPIO-PORT" location="0x400f4000"/>
+</chip>
+<processor><name gcc_name="cortex-m4">Cortex-M4</name>
+<family>Cortex-M</family>
+</processor>
+<link href="nxp_lpc43xx_peripheral.xme" show="embed" type="simple"/>
+</info>
+</infoList>
+</TargetConfig>
+
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diff --git a/demos/host/host_bulk_xfer/.project b/demos/host/host_bulk_xfer/.project
new file mode 100644
index 000000000..85e75a8fb
--- /dev/null
+++ b/demos/host/host_bulk_xfer/.project
@@ -0,0 +1,105 @@
+
+
+ host_bulk_xfer
+
+
+
+
+
+ org.eclipse.cdt.managedbuilder.core.genmakebuilder
+ clean,full,incremental,
+
+
+ ?name?
+
+
+
+ org.eclipse.cdt.make.core.append_environment
+ true
+
+
+ org.eclipse.cdt.make.core.autoBuildTarget
+ all
+
+
+ org.eclipse.cdt.make.core.buildArguments
+
+
+
+ org.eclipse.cdt.make.core.buildCommand
+ make
+
+
+ org.eclipse.cdt.make.core.buildLocation
+ ${workspace_loc:/host/Debug}
+
+
+ org.eclipse.cdt.make.core.cleanBuildTarget
+ clean
+
+
+ org.eclipse.cdt.make.core.contents
+ org.eclipse.cdt.make.core.activeConfigSettings
+
+
+ org.eclipse.cdt.make.core.enableAutoBuild
+ false
+
+
+ org.eclipse.cdt.make.core.enableCleanBuild
+ true
+
+
+ org.eclipse.cdt.make.core.enableFullBuild
+ true
+
+
+ org.eclipse.cdt.make.core.fullBuildTarget
+ all
+
+
+ org.eclipse.cdt.make.core.stopOnError
+ true
+
+
+ org.eclipse.cdt.make.core.useDefaultBuildCmd
+ true
+
+
+
+
+ org.eclipse.cdt.managedbuilder.core.ScannerConfigBuilder
+ full,incremental,
+
+
+
+
+
+ org.eclipse.cdt.core.cnature
+ org.eclipse.cdt.managedbuilder.core.managedBuildNature
+ org.eclipse.cdt.managedbuilder.core.ScannerConfigNature
+
+
+
+ bsp
+ 2
+ PARENT-2-PROJECT_LOC/bsp
+
+
+ tinyusb
+ 2
+ PARENT-3-PROJECT_LOC/tinyusb
+
+
+
+
+ 1366602895349
+
+ 26
+
+ org.eclipse.ui.ide.multiFilter
+ 1.0-name-matches-false-false-startup_keil
+
+
+
+
diff --git a/demos/host/host_bulk_xfer/main.c b/demos/host/host_bulk_xfer/main.c
new file mode 100644
index 000000000..7c20c4f30
--- /dev/null
+++ b/demos/host/host_bulk_xfer/main.c
@@ -0,0 +1,175 @@
+/**************************************************************************/
+/*!
+ @file main.c
+ @author hathach (tinyusb.org)
+
+ @section LICENSE
+
+ Software License Agreement (BSD License)
+
+ Copyright (c) 2013, hathach (tinyusb.org)
+ All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+ 1. Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ 2. Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+ 3. Neither the name of the copyright holders nor the
+ names of its contributors may be used to endorse or promote products
+ derived from this software without specific prior written permission.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
+ EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
+ DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION HOWEVER CAUSED AND
+ ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ INCLUDING NEGLIGENCE OR OTHERWISE ARISING IN ANY WAY OUT OF THE USE OF THIS
+ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+ This file is part of the tinyusb stack.
+*/
+/**************************************************************************/
+
+//--------------------------------------------------------------------+
+// INCLUDE
+//--------------------------------------------------------------------+
+#include
+#include
+#include
+
+#include "boards/board.h"
+#include "tusb.h"
+
+#if defined(__CODE_RED)
+ #include // TODO remove & verifed
+ #include
+ // Variable to store CRP value in. Will be placed automatically
+ // by the linker when "Enable Code Read Protect" selected.
+ // See crp.h header for more information
+ __CRP const unsigned int CRP_WORD = CRP_NO_CRP ;
+#endif
+
+//--------------------------------------------------------------------+
+// MACRO CONSTANT TYPEDEF
+//--------------------------------------------------------------------+
+
+//--------------------------------------------------------------------+
+// INTERNAL OBJECT & FUNCTION DECLARATION
+//--------------------------------------------------------------------+
+OSAL_TASK_FUNCTION( led_blinking_task ) (void* p_task_para);
+OSAL_TASK_DEF(led_blinking_task_def, "led blinking", led_blinking_task, 128, LED_BLINKING_APP_TASK_PRIO);
+void custom_class_loopback_task (void* p_task_para);
+
+void print_greeting(void);
+static inline void wait_blocking_ms(uint32_t ms);
+
+//--------------------------------------------------------------------+
+// IMPLEMENTATION
+//--------------------------------------------------------------------+
+
+#if TUSB_CFG_OS == TUSB_OS_NONE
+// like a real RTOS, this function is a main loop invoking each task in application and never return
+void os_none_start_scheduler(void)
+{
+ while (1)
+ {
+ tusb_task_runner();
+ led_blinking_task(NULL);
+ custom_class_loopback_task(NULL);
+ }
+}
+#endif
+
+//TODO try to run with optimization Os
+int main(void)
+{
+ board_init();
+
+ // TODO blocking wait --> systick handler --> ...... freeRTOS hardfault
+ //wait_blocking_ms(1000); // wait a bit for power stable
+
+ // print_greeting(); TODO uart output before freeRTOS scheduler start will lead to hardfault
+ // find a way to fix this as tusb_init can output to uart when an error occurred
+
+ tusb_init();
+
+ //------------- start OS scheduler (never return) -------------//
+ os_none_start_scheduler();
+
+ //------------- this part of code should not be reached -------------//
+ hal_debugger_breakpoint();
+ while(1) { }
+ return 0;
+}
+
+//--------------------------------------------------------------------+
+// BLINKING TASK
+//--------------------------------------------------------------------+
+uint8_t custom_read_buffer[4*1024] TUSB_CFG_ATTR_USBRAM;
+uint8_t custom_write_buffer[4*1024] TUSB_CFG_ATTR_USBRAM;
+void custom_class_loopback_task (void* p_task_para)
+{
+ if( tusbh_custom_is_mounted(1, 0, 0) ) // hardcode addr = 1, ignore vendor/product ID
+ {
+ tusbh_custom_read(1, 0, 0, custom_read_buffer, sizeof(custom_read_buffer));
+ }
+}
+
+//--------------------------------------------------------------------+
+// BLINKING TASK
+//--------------------------------------------------------------------+
+OSAL_TASK_FUNCTION( led_blinking_task ) (void* p_task_para)
+{
+ // task init, only executed exactly one time, real RTOS does not need this but none OS does
+ {
+ static bool is_init = false;
+ if (!is_init)
+ {
+ is_init = true;
+ print_greeting();
+ }
+ }
+
+ static uint32_t led_on_mask = 0;
+
+ OSAL_TASK_LOOP_BEGIN
+
+ osal_task_delay(1000);
+
+ board_leds(led_on_mask, 1 - led_on_mask);
+ led_on_mask = 1 - led_on_mask; // toggle
+
+ OSAL_TASK_LOOP_END
+}
+
+//--------------------------------------------------------------------+
+// HELPER FUNCTION
+//--------------------------------------------------------------------+
+void print_greeting(void)
+{
+ printf("\r\n\
+--------------------------------------------------------------------\r\n\
+- Host Demo (a tinyusb example)\r\n\
+- if you find any bugs or get any questions, feel free to file an\r\n\
+- issue at https://github.com/hathach/tinyusb\r\n\
+--------------------------------------------------------------------\r\n\r\n"
+ );
+}
+
+static inline void wait_blocking_us(volatile uint32_t us)
+{
+ us *= (SystemCoreClock / 1000000) / 3;
+ while(us--);
+}
+
+static inline void wait_blocking_ms(uint32_t ms)
+{
+ wait_blocking_us(ms * 1000);
+}
+
diff --git a/demos/host/host_bulk_xfer/tusb_config.h b/demos/host/host_bulk_xfer/tusb_config.h
new file mode 100644
index 000000000..3901dfc39
--- /dev/null
+++ b/demos/host/host_bulk_xfer/tusb_config.h
@@ -0,0 +1,126 @@
+/**************************************************************************/
+/*!
+ @file tusb_config.h
+ @author hathach (tinyusb.org)
+
+ @section LICENSE
+
+ Software License Agreement (BSD License)
+
+ Copyright (c) 2013, hathach (tinyusb.org)
+ All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+ 1. Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ 2. Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+ 3. Neither the name of the copyright holders nor the
+ names of its contributors may be used to endorse or promote products
+ derived from this software without specific prior written permission.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
+ EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
+ DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION HOWEVER CAUSED AND
+ ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ INCLUDING NEGLIGENCE OR OTHERWISE ARISING IN ANY WAY OUT OF THE USE OF THIS
+ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+ This file is part of the tinyusb stack.
+*/
+/**************************************************************************/
+
+/** \file
+ * \brief TBD
+ *
+ * \note TBD
+ */
+
+/** \ingroup TBD
+ * \defgroup TBD
+ * \brief TBD
+ *
+ * @{
+ */
+
+#ifndef _TUSB_TUSB_CONFIG_H_
+#define _TUSB_TUSB_CONFIG_H_
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+//--------------------------------------------------------------------+
+// CONTROLLER CONFIGURATION
+//--------------------------------------------------------------------+
+#define TUSB_CFG_CONTROLLER0_MODE (TUSB_MODE_HOST)
+#define TUSB_CFG_CONTROLLER1_MODE (TUSB_MODE_NONE)
+
+//--------------------------------------------------------------------+
+// HOST CONFIGURATION
+//--------------------------------------------------------------------+
+#define TUSB_CFG_HOST_DEVICE_MAX 2
+#define TUSB_CFG_CONFIGURATION_MAX 1
+
+//------------- USBD -------------//
+#define TUSB_CFG_HOST_ENUM_BUFFER_SIZE 256
+
+//------------- CLASS -------------//
+#define TUSB_CFG_HOST_HUB 0
+#define TUSB_CFG_HOST_HID_KEYBOARD 0
+#define TUSB_CFG_HOST_HID_MOUSE 0
+#define TUSB_CFG_HOST_HID_GENERIC 0
+#define TUSB_CFG_HOST_MSC 0
+#define TUSB_CFG_HOST_CUSTOM_CLASS 1
+
+//--------------------------------------------------------------------+
+// DEVICE CONFIGURATION
+//--------------------------------------------------------------------+
+//#define TUSB_CFG_DEVICE
+
+//------------- CORE/CONTROLLER -------------//
+
+//------------- CLASS -------------//
+//#define TUSB_CFG_DEVICE_CDC
+//#define TUSB_CFG_DEVICE_HID_KEYBOARD 1
+//#define TUSB_CFG_DEVICE_HID_MOUSE 1
+
+//--------------------------------------------------------------------+
+// COMMON CONFIGURATION
+//--------------------------------------------------------------------+
+
+#define TUSB_CFG_DEBUG 3
+
+//#define TUSB_CFG_OS TUSB_OS_NONE // defined using eclipse build
+//#define TUSB_CFG_OS_TASK_PRIO
+
+#define TUSB_CFG_OS_TICKS_PER_SECOND 1000
+
+#ifdef __CODE_RED // make use of code red's support for ram region macros
+ #if (MCU == MCU_LPC11UXX) || (MCU == MCU_LPC13UXX)
+ #define TUSB_RAM_SECTION ".data.$RAM2"
+ #elif (MCU == MCU_LPC43XX)
+ #define TUSB_RAM_SECTION ".data.$RAM3"
+ #endif
+
+ #define TUSB_CFG_ATTR_USBRAM __attribute__ ((section(TUSB_RAM_SECTION)))
+#elif defined __CC_ARM // Compiled with Keil armcc
+ #define TUSB_CFG_ATTR_USBRAM
+#else
+ #error compiler not specified
+#endif
+
+
+#ifdef __cplusplus
+ }
+#endif
+
+#endif /* _TUSB_TUSB_CONFIG_H_ */
+
+/** @} */