spi: example: add SPI example

Add interrupt and polling examples based on the stander colibri SPI (ECSPI3).

SODIMM_88 - SPI CLK
SODIMM_92 - SPI TXD
SODIMM_90 - SPI RXD
SODIMM_86 - SPI CS

To test this example, connect SODIMM_92 to SODIMM_90 in order to create a loop back.

Signed-off-by: Raul Munoz <raul.munoz@toradex.com>
Signed-off-by: Stefan Agner <stefan.agner@toradex.com>

22 files changed, 859 insertions, 0 deletions

diff --git a/examples/imx7_colibri_m4/driver_examples/ecspi/ecspi_interrupt/master/armgcc/CMakeLists.txt b/examples/imx7_colibri_m4/driver_examples/ecspi/ecspi_interrupt/master/armgcc/CMakeLists.txt
new file mode 100644
index 0000000..d556b13
--- /dev/null
+++ b/examples/imx7_colibri_m4/driver_examples/ecspi/ecspi_interrupt/master/armgcc/CMakeLists.txt
@@ -0,0 +1,134 @@
+INCLUDE(CMakeForceCompiler)
+
+# CROSS COMPILER SETTING
+SET(CMAKE_SYSTEM_NAME Generic)
+CMAKE_MINIMUM_REQUIRED (VERSION 2.6)
+
+# THE VERSION NUMBER
+SET (Tutorial_VERSION_MAJOR 1)
+SET (Tutorial_VERSION_MINOR 0)
+
+# ENABLE ASM
+ENABLE_LANGUAGE(ASM)
+
+SET(CMAKE_STATIC_LIBRARY_PREFIX)
+SET(CMAKE_STATIC_LIBRARY_SUFFIX)
+
+SET(CMAKE_EXECUTABLE_LIBRARY_PREFIX)
+SET(CMAKE_EXECUTABLE_LIBRARY_SUFFIX)
+
+
+# CURRENT DIRECTORY
+SET(ProjDirPath ${CMAKE_CURRENT_SOURCE_DIR})
+
+# DEBUG LINK FILE
+set(CMAKE_EXE_LINKER_FLAGS_DEBUG "${CMAKE_EXE_LINKER_FLAGS_DEBUG} -T${ProjDirPath}/../../../../../../../platform/devices/MCIMX7D/linker/gcc/MCIMX7D_M4_tcm.ld  -static")
+
+# RELEASE LINK FILE
+set(CMAKE_EXE_LINKER_FLAGS_RELEASE "${CMAKE_EXE_LINKER_FLAGS_RELEASE} -T${ProjDirPath}/../../../../../../../platform/devices/MCIMX7D/linker/gcc/MCIMX7D_M4_tcm.ld  -static")
+
+# DEBUG ASM FLAGS
+SET(CMAKE_ASM_FLAGS_DEBUG "${CMAKE_ASM_FLAGS_DEBUG} -g  -mcpu=cortex-m4  -mfloat-abi=hard  -mfpu=fpv4-sp-d16  -mthumb  -Wall  -fno-common  -ffunction-sections  -fdata-sections  -ffreestanding  -fno-builtin  -mapcs  -std=gnu99")
+
+# DEBUG C FLAGS
+SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -g  -O0  -mcpu=cortex-m4  -mfloat-abi=hard  -mfpu=fpv4-sp-d16  -mthumb  -MMD  -MP  -Wall  -fno-common  -ffunction-sections  -fdata-sections  -ffreestanding  -fno-builtin  -mapcs  -std=gnu99")
+
+# DEBUG LD FLAGS
+SET(CMAKE_EXE_LINKER_FLAGS_DEBUG "${CMAKE_EXE_LINKER_FLAGS_DEBUG} -g  -mcpu=cortex-m4  -mfloat-abi=hard  -mfpu=fpv4-sp-d16  --specs=nano.specs  -lm  -Wall  -fno-common  -ffunction-sections  -fdata-sections  -ffreestanding  -fno-builtin  -Os  -mthumb  -mapcs  -Xlinker --gc-sections  -Xlinker -static  -Xlinker -z  -Xlinker muldefs")
+
+# RELEASE ASM FLAGS
+SET(CMAKE_ASM_FLAGS_RELEASE "${CMAKE_ASM_FLAGS_RELEASE} -mcpu=cortex-m4  -mfloat-abi=hard  -mfpu=fpv4-sp-d16  -mthumb  -Wall  -fno-common  -ffunction-sections  -fdata-sections  -ffreestanding  -fno-builtin  -mapcs  -std=gnu99")
+
+# RELEASE C FLAGS
+SET(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -Os  -mcpu=cortex-m4  -mfloat-abi=hard  -mfpu=fpv4-sp-d16  -mthumb  -MMD  -MP  -Wall  -fno-common  -ffunction-sections  -fdata-sections  -ffreestanding  -fno-builtin  -mapcs  -std=gnu99")
+
+# RELEASE LD FLAGS
+SET(CMAKE_EXE_LINKER_FLAGS_RELEASE "${CMAKE_EXE_LINKER_FLAGS_RELEASE} -mcpu=cortex-m4  -mfloat-abi=hard  -mfpu=fpv4-sp-d16  --specs=nano.specs  -lm  -Wall  -fno-common  -ffunction-sections  -fdata-sections  -ffreestanding  -fno-builtin  -Os  -mthumb  -mapcs  -Xlinker --gc-sections  -Xlinker -static  -Xlinker -z  -Xlinker muldefs")
+
+# ASM MACRO
+SET(CMAKE_ASM_FLAGS_DEBUG "${CMAKE_ASM_FLAGS_DEBUG}  -D__DEBUG")
+
+# C MACRO
+SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG}  -D__DEBUG")
+SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG}  -DCPU_MCIMX7D_M4")
+SET(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE}  -D__NDEBUG")
+SET(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE}  -DCPU_MCIMX7D_M4")
+
+# CXX MACRO
+
+# INCLUDE_DIRECTORIES
+IF(CMAKE_BUILD_TYPE MATCHES Debug)
+    INCLUDE_DIRECTORIES(${ProjDirPath}/../../../../..)
+    INCLUDE_DIRECTORIES(${ProjDirPath}/../../../../../../../platform/CMSIS/Include)
+    INCLUDE_DIRECTORIES(${ProjDirPath}/../../../../../../../platform/devices)
+    INCLUDE_DIRECTORIES(${ProjDirPath}/../../../../../../../platform/devices/MCIMX7D/include)
+    INCLUDE_DIRECTORIES(${ProjDirPath}/../../../../../../../platform/devices/MCIMX7D/startup)
+    INCLUDE_DIRECTORIES(${ProjDirPath}/../../../../../../../platform/drivers/inc)
+    INCLUDE_DIRECTORIES(${ProjDirPath}/../../../../../../../platform/utilities/inc)
+    INCLUDE_DIRECTORIES(${ProjDirPath}/../../../../..)
+ELSEIF(CMAKE_BUILD_TYPE MATCHES Release)
+    INCLUDE_DIRECTORIES(${ProjDirPath}/../../../../..)
+    INCLUDE_DIRECTORIES(${ProjDirPath}/../../../../../../../platform/CMSIS/Include)
+    INCLUDE_DIRECTORIES(${ProjDirPath}/../../../../../../../platform/devices)
+    INCLUDE_DIRECTORIES(${ProjDirPath}/../../../../../../../platform/devices/MCIMX7D/include)
+    INCLUDE_DIRECTORIES(${ProjDirPath}/../../../../../../../platform/devices/MCIMX7D/startup)
+    INCLUDE_DIRECTORIES(${ProjDirPath}/../../../../../../../platform/drivers/inc)
+    INCLUDE_DIRECTORIES(${ProjDirPath}/../../../../../../../platform/utilities/inc)
+    INCLUDE_DIRECTORIES(${ProjDirPath}/../../../../..)
+ENDIF()
+
+# ADD_EXECUTABLE
+ADD_EXECUTABLE(ecspi_interrupt_master_example
+    "${ProjDirPath}/../../../../../../../platform/devices/MCIMX7D/startup/gcc/startup_MCIMX7D_M4.S"
+    "${ProjDirPath}/../../../../../../../platform/utilities/src/debug_console_imx.c"
+    "${ProjDirPath}/../../../../../../../platform/utilities/inc/debug_console_imx.h"
+    "${ProjDirPath}/../../../../../../../platform/utilities/src/print_scan.c"
+    "${ProjDirPath}/../../../../../../../platform/utilities/src/print_scan.h"
+    "${ProjDirPath}/../../../../../../../platform/drivers/inc/ccm_analog_imx7d.h"
+    "${ProjDirPath}/../../../../../../../platform/drivers/inc/ccm_imx7d.h"
+    "${ProjDirPath}/../../../../../../../platform/drivers/inc/lmem.h"
+    "${ProjDirPath}/../../../../../../../platform/drivers/inc/rdc.h"
+    "${ProjDirPath}/../../../../../../../platform/drivers/inc/rdc_defs_imx7d.h"
+    "${ProjDirPath}/../../../../../../../platform/drivers/inc/wdog_imx.h"
+    "${ProjDirPath}/../../../../../../../platform/drivers/src/ccm_analog_imx7d.c"
+    "${ProjDirPath}/../../../../../../../platform/drivers/src/ccm_imx7d.c"
+    "${ProjDirPath}/../../../../../../../platform/drivers/src/lmem.c"
+    "${ProjDirPath}/../../../../../../../platform/drivers/src/rdc.c"
+    "${ProjDirPath}/../../../../../../../platform/drivers/src/wdog_imx.c"
+    "${ProjDirPath}/../../../../../../../platform/devices/MCIMX7D/startup/system_MCIMX7D_M4.c"
+    "${ProjDirPath}/../../../../../../../platform/devices/MCIMX7D/startup/system_MCIMX7D_M4.h"
+    "${ProjDirPath}/../../../../../pin_mux.c"
+    "${ProjDirPath}/../../../../../pin_mux.h"
+    "${ProjDirPath}/../../../../../board.c"
+    "${ProjDirPath}/../../../../../board.h"
+    "${ProjDirPath}/../../../../../clock_freq.c"
+    "${ProjDirPath}/../../../../../clock_freq.h"
+    "${ProjDirPath}/../hardware_init.c"
+    "${ProjDirPath}/../main.c"
+    "${ProjDirPath}/../../../../../../../platform/drivers/src/ecspi.c"
+    "${ProjDirPath}/../../../../../../../platform/drivers/inc/ecspi.h"
+    "${ProjDirPath}/../../../../../../../platform/drivers/src/uart_imx.c"
+    "${ProjDirPath}/../../../../../../../platform/drivers/inc/uart_imx.h"
+)
+SET_TARGET_PROPERTIES(ecspi_interrupt_master_example PROPERTIES OUTPUT_NAME "ecspi_interrupt_master_example.elf")
+
+TARGET_LINK_LIBRARIES(ecspi_interrupt_master_example -Wl,--start-group)
+# LIBRARIES
+IF(CMAKE_BUILD_TYPE MATCHES Debug)
+ELSEIF(CMAKE_BUILD_TYPE MATCHES Release)
+ENDIF()
+
+# SYSTEM LIBRARIES
+TARGET_LINK_LIBRARIES(ecspi_interrupt_master_example m)
+TARGET_LINK_LIBRARIES(ecspi_interrupt_master_example c)
+TARGET_LINK_LIBRARIES(ecspi_interrupt_master_example gcc)
+TARGET_LINK_LIBRARIES(ecspi_interrupt_master_example nosys)
+TARGET_LINK_LIBRARIES(ecspi_interrupt_master_example -Wl,--end-group)
+
+# MAP FILE
+SET(CMAKE_EXE_LINKER_FLAGS_DEBUG "${CMAKE_EXE_LINKER_FLAGS_DEBUG}  -Xlinker -Map=debug/ecspi_interrupt_master_example.map")
+SET(CMAKE_EXE_LINKER_FLAGS_RELEASE "${CMAKE_EXE_LINKER_FLAGS_RELEASE}  -Xlinker -Map=release/ecspi_interrupt_master_example.map")
+
+# BIN AND HEX
+ADD_CUSTOM_COMMAND(TARGET ecspi_interrupt_master_example POST_BUILD COMMAND ${CMAKE_OBJCOPY} -Oihex ${EXECUTABLE_OUTPUT_PATH}/ecspi_interrupt_master_example.elf ${EXECUTABLE_OUTPUT_PATH}/ecspi_interrupt_master_example.hex)
+ADD_CUSTOM_COMMAND(TARGET ecspi_interrupt_master_example POST_BUILD COMMAND ${CMAKE_OBJCOPY} -Obinary ${EXECUTABLE_OUTPUT_PATH}/ecspi_interrupt_master_example.elf ${EXECUTABLE_OUTPUT_PATH}/ecspi_interrupt_master_example.bin)
diff --git a/examples/imx7_colibri_m4/driver_examples/ecspi/ecspi_interrupt/master/armgcc/build_all.bat b/examples/imx7_colibri_m4/driver_examples/ecspi/ecspi_interrupt/master/armgcc/build_all.bat
new file mode 100644
index 0000000..1939438
--- /dev/null
+++ b/examples/imx7_colibri_m4/driver_examples/ecspi/ecspi_interrupt/master/armgcc/build_all.bat
@@ -0,0 +1,5 @@
+cmake -DCMAKE_TOOLCHAIN_FILE="../../../../../../../tools/cmake_toolchain_files/armgcc.cmake" -G "MinGW Makefiles" -DCMAKE_BUILD_TYPE=Debug  .
+mingw32-make -j4
+cmake -DCMAKE_TOOLCHAIN_FILE="../../../../../../../tools/cmake_toolchain_files/armgcc.cmake" -G "MinGW Makefiles" -DCMAKE_BUILD_TYPE=Release  .
+mingw32-make -j4
+pause
diff --git a/examples/imx7_colibri_m4/driver_examples/ecspi/ecspi_interrupt/master/armgcc/build_all.sh b/examples/imx7_colibri_m4/driver_examples/ecspi/ecspi_interrupt/master/armgcc/build_all.sh
new file mode 100755
index 0000000..fc1cfb1
--- /dev/null
+++ b/examples/imx7_colibri_m4/driver_examples/ecspi/ecspi_interrupt/master/armgcc/build_all.sh
@@ -0,0 +1,5 @@
+#!/bin/sh
+cmake -DCMAKE_TOOLCHAIN_FILE="../../../../../../../tools/cmake_toolchain_files/armgcc.cmake" -G "Eclipse CDT4 - Unix Makefiles" -DCMAKE_BUILD_TYPE=Debug  .
+make -j4
+cmake -DCMAKE_TOOLCHAIN_FILE="../../../../../../../tools/cmake_toolchain_files/armgcc.cmake" -G "Eclipse CDT4 - Unix Makefiles" -DCMAKE_BUILD_TYPE=Release  .
+make -j4
diff --git a/examples/imx7_colibri_m4/driver_examples/ecspi/ecspi_interrupt/master/armgcc/build_debug.bat b/examples/imx7_colibri_m4/driver_examples/ecspi/ecspi_interrupt/master/armgcc/build_debug.bat
new file mode 100644
index 0000000..4950fc9
--- /dev/null
+++ b/examples/imx7_colibri_m4/driver_examples/ecspi/ecspi_interrupt/master/armgcc/build_debug.bat
@@ -0,0 +1,3 @@
+cmake -DCMAKE_TOOLCHAIN_FILE="../../../../../../../tools/cmake_toolchain_files/armgcc.cmake" -G "MinGW Makefiles" -DCMAKE_BUILD_TYPE=Debug  .
+mingw32-make -j4
+pause
diff --git a/examples/imx7_colibri_m4/driver_examples/ecspi/ecspi_interrupt/master/armgcc/build_debug.sh b/examples/imx7_colibri_m4/driver_examples/ecspi/ecspi_interrupt/master/armgcc/build_debug.sh
new file mode 100755
index 0000000..869b369
--- /dev/null
+++ b/examples/imx7_colibri_m4/driver_examples/ecspi/ecspi_interrupt/master/armgcc/build_debug.sh
@@ -0,0 +1,3 @@
+#!/bin/sh
+cmake -DCMAKE_TOOLCHAIN_FILE="../../../../../../../tools/cmake_toolchain_files/armgcc.cmake" -G "Eclipse CDT4 - Unix Makefiles" -DCMAKE_BUILD_TYPE=Debug  .
+make -j4
diff --git a/examples/imx7_colibri_m4/driver_examples/ecspi/ecspi_interrupt/master/armgcc/build_release.bat b/examples/imx7_colibri_m4/driver_examples/ecspi/ecspi_interrupt/master/armgcc/build_release.bat
new file mode 100644
index 0000000..9ec4b80
--- /dev/null
+++ b/examples/imx7_colibri_m4/driver_examples/ecspi/ecspi_interrupt/master/armgcc/build_release.bat
@@ -0,0 +1,3 @@
+cmake -DCMAKE_TOOLCHAIN_FILE="../../../../../../../tools/cmake_toolchain_files/armgcc.cmake" -G "MinGW Makefiles" -DCMAKE_BUILD_TYPE=Release  .
+mingw32-make -j4
+pause
diff --git a/examples/imx7_colibri_m4/driver_examples/ecspi/ecspi_interrupt/master/armgcc/build_release.sh b/examples/imx7_colibri_m4/driver_examples/ecspi/ecspi_interrupt/master/armgcc/build_release.sh
new file mode 100755
index 0000000..25773b2
--- /dev/null
+++ b/examples/imx7_colibri_m4/driver_examples/ecspi/ecspi_interrupt/master/armgcc/build_release.sh
@@ -0,0 +1,3 @@
+#!/bin/sh
+cmake -DCMAKE_TOOLCHAIN_FILE="../../../../../../../tools/cmake_toolchain_files/armgcc.cmake" -G "Eclipse CDT4 - Unix Makefiles" -DCMAKE_BUILD_TYPE=Release  .
+make -j4
diff --git a/examples/imx7_colibri_m4/driver_examples/ecspi/ecspi_interrupt/master/armgcc/clean.bat b/examples/imx7_colibri_m4/driver_examples/ecspi/ecspi_interrupt/master/armgcc/clean.bat
new file mode 100644
index 0000000..ffea088
--- /dev/null
+++ b/examples/imx7_colibri_m4/driver_examples/ecspi/ecspi_interrupt/master/armgcc/clean.bat
@@ -0,0 +1,3 @@
+RD /s /Q Debug Release CMakeFiles
+DEL /s /Q /F Makefile cmake_install.cmake CMakeCache.txt
+pause
diff --git a/examples/imx7_colibri_m4/driver_examples/ecspi/ecspi_interrupt/master/armgcc/clean.sh b/examples/imx7_colibri_m4/driver_examples/ecspi/ecspi_interrupt/master/armgcc/clean.sh
new file mode 100755
index 0000000..795ad87
--- /dev/null
+++ b/examples/imx7_colibri_m4/driver_examples/ecspi/ecspi_interrupt/master/armgcc/clean.sh
@@ -0,0 +1,3 @@
+#!/bin/sh
+rm -rf debug release CMakeFiles
+rm -rf Makefile cmake_install.cmake CMakeCache.txt
diff --git a/examples/imx7_colibri_m4/driver_examples/ecspi/ecspi_interrupt/master/hardware_init.c b/examples/imx7_colibri_m4/driver_examples/ecspi/ecspi_interrupt/master/hardware_init.c
new file mode 100644
index 0000000..7ba46bc
--- /dev/null
+++ b/examples/imx7_colibri_m4/driver_examples/ecspi/ecspi_interrupt/master/hardware_init.c
@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2015, Freescale Semiconductor, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * o Redistributions of source code must retain the above copyright notice, this list
+ *   of conditions and the following disclaimer.
+ *
+ * o 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.
+ *
+ * o Neither the name of Freescale Semiconductor, Inc. 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 AND CONTRIBUTORS "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 OR CONTRIBUTORS 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.
+ */
+
+#include "board.h"
+#include "pin_mux.h"
+
+void hardware_init(void)
+{
+    /* Board specific RDC settings */
+    BOARD_RdcInit();
+    /* Board specific clock settings */
+    BOARD_ClockInit();
+    /* initialize debug uart */
+    dbg_uart_init();
+
+    /* RDC ECSPI */
+    RDC_SetPdapAccess(RDC, BOARD_ECSPI_RDC_PDAP, 3 << (BOARD_DOMAIN_ID * 2), false, false);
+    /* Select board ecspi clock derived from OSC clock(24M) */
+    CCM_UpdateRoot(CCM, BOARD_ECSPI_CCM_ROOT, ccmRootmuxEcspiOsc24m, 0, 0);
+    /* Enable ecspi clock gate */
+    CCM_EnableRoot(CCM, BOARD_ECSPI_CCM_ROOT);
+    CCM_ControlGate(CCM, BOARD_ECSPI_CCM_CCGR, ccmClockNeededAll);
+    /* Configure ecspi pin IOMUX */
+    configure_ecspi_pins(BOARD_ECSPI_BASEADDR);
+}
+
+/*******************************************************************************
+ * EOF
+ ******************************************************************************/
diff --git a/examples/imx7_colibri_m4/driver_examples/ecspi/ecspi_interrupt/master/main.c b/examples/imx7_colibri_m4/driver_examples/ecspi/ecspi_interrupt/master/main.c
new file mode 100644
index 0000000..5e3391d
--- /dev/null
+++ b/examples/imx7_colibri_m4/driver_examples/ecspi/ecspi_interrupt/master/main.c
@@ -0,0 +1,288 @@
+/*
+ * Copyright (c) 2015, Freescale Semiconductor, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * o Redistributions of source code must retain the above copyright notice, this list
+ *   of conditions and the following disclaimer.
+ *
+ * o 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.
+ *
+ * o Neither the name of Freescale Semiconductor, Inc. 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 AND CONTRIBUTORS "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 OR CONTRIBUTORS 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.
+ */
+
+#include <stdio.h>
+#include "board.h"
+#include "uart_imx.h"
+#include "debug_console_imx.h"
+#include "ecspi.h"
+#include "clock_freq.h"
+
+/* define ECSPI master mode parameters configuration. */
+#define ECSPI_MASTER_BURSTLENGTH        (7)
+#define ECSPI_MASTER_STARTMODE          (0)
+
+typedef struct EcspiState
+{
+    uint8_t*                  txBuffPtr;    /* Pointer to ECSPI Transmit Buffer */
+    uint8_t                   txSize;       /* The remaining number of bytes to be transmitted */
+    uint8_t*                  rxBuffPtr;    /* Pointer to ECSPI Receive Buffer */
+    uint8_t                   rxSize;       /* The remaining number of bytes to be received */
+    volatile bool             isBusy;       /* True if there is a active transfer */
+} ecspi_state_t;
+
+/* ECSPI runtime state structure */
+static ecspi_state_t ecspiState;
+
+/* ECSPI master configure */
+static void ECSPI_MasterConfig(ecspi_init_config_t* initConfig);
+/* ECSPI data transfer */
+static bool ECSPI_MasterTransfer(uint8_t* txBuffer, uint8_t* rxBuffer, uint32_t transferSize);
+static bool ECSPI_MasterReceiveBurst(void);
+static bool ECSPI_MasterTransmitBurst(void);
+/* ECSPI transfer status */
+static bool ECSPI_MasterGetTransferStatus(void);
+
+/* Transferred data */
+static uint8_t txData[1] = {0};
+static uint8_t rxData[1] = {0};
+
+int main(void)
+{
+    uint8_t control_char;
+    uint8_t i;
+
+    ecspi_init_config_t ecspiMasterInitConfig = {
+        .baudRate = 500000,
+        .mode = ecspiMasterMode,
+        .burstLength = ECSPI_MASTER_BURSTLENGTH,
+        .channelSelect = BOARD_ECSPI_CHANNEL,
+        .clockPhase = ecspiClockPhaseSecondEdge,
+        .clockPolarity = ecspiClockPolarityActiveHigh,
+        .ecspiAutoStart = ECSPI_MASTER_STARTMODE
+    };
+
+    /* Hardware initialize, include RDC, CLOCK, IOMUX, ENABLE MODULE */
+    hardware_init();
+
+    /* Update clock frequency of this module */
+    ecspiMasterInitConfig.clockRate = get_ecspi_clock_freq(BOARD_ECSPI_BASEADDR);
+
+    PRINTF("\n-------------- ECSPI master driver example --------------\n\n\r");
+    PRINTF("This example application demonstrates usage of SPI driver in master mode.\n\r");
+    PRINTF("It transfers data to/from remote MCU in SPI slave mode.\n\r");
+
+    /* Ecspi module initialize, include configure parameters */
+    ECSPI_MasterConfig(&ecspiMasterInitConfig);
+
+    /* Wait slave ready, then press 's' to start communication. */
+    while(true)
+    {
+        PRINTF("Press \"s\" when spi slave is ready.\n\r");
+        control_char = GETCHAR();
+        if((control_char == 's') || (control_char == 'S'))
+            break;
+    }
+
+    /* Send 1~20 to slave and receive data from slave */
+    for(i = 0; i < 20; i++)
+    {
+        txData[0]++;
+        ECSPI_MasterTransfer((uint8_t*)txData, (uint8_t*)rxData, 1);
+        while(ECSPI_MasterGetTransferStatus());
+        PRINTF("MASTER: Transmited data: %d \n\r", txData[0]);
+        PRINTF("      : Received data: %d \n\n\r", rxData[0]);
+    }
+    while(1);
+}
+
+/******************************************************************************
+*
+* Function Name: ECSPI_MasterTransmitBurst
+* Comments: Fill the TXFIFO.
+*
+******************************************************************************/
+static bool ECSPI_MasterTransmitBurst(void)
+{
+    uint8_t bytes;
+    uint32_t data;
+    uint8_t i;
+
+    /* Fill the TXFIFO */
+    while((ecspiState.txSize > 0) && (ECSPI_GetStatusFlag(BOARD_ECSPI_BASEADDR, ecspiFlagTxfifoFull) == 0))
+    {
+        bytes = ecspiState.txSize & 0x3;      /* first get unaligned part transmitted */
+        bytes = bytes ? bytes : 4;             /* if aligned, then must be 4 */
+
+        if(!(ecspiState.txBuffPtr))
+        {
+            data = 0xFFFFFFFF;                 /* half-duplex receive data */
+        }
+        else
+        {
+          data = 0;
+          for(i = 0; i < bytes; i++)
+              data = (data << 8) | *(ecspiState.txBuffPtr)++;
+        }
+
+        ECSPI_SendData(BOARD_ECSPI_BASEADDR, data);
+        ecspiState.txSize -= bytes;
+        ecspiState.rxSize += bytes;
+    }
+    /* start transmission */
+    ECSPI_StartBurst(BOARD_ECSPI_BASEADDR);
+    /* set transfer flag */
+    ecspiState.isBusy = true;
+    return true;
+}
+
+/******************************************************************************
+*
+* Function Name: ECSPI_MasterReceiveBurst
+* Comments: Receive data from RXFIFO
+*
+******************************************************************************/
+static bool ECSPI_MasterReceiveBurst(void)
+{
+    uint32_t data;
+    uint32_t bytes;
+    uint32_t i;
+
+    while ((ecspiState.rxSize > 0) && (ECSPI_GetStatusFlag(BOARD_ECSPI_BASEADDR, ecspiFlagRxfifoReady) != 0))
+    {
+        data = ECSPI_ReceiveData(BOARD_ECSPI_BASEADDR);   /* read data from register */
+        bytes = ecspiState.rxSize & 0x3;                  /* first get unaligned part received */
+        bytes = bytes ? bytes : 4;                        /* if aligned, then must be 4 */
+
+        if(ecspiState.rxBuffPtr)                          /* not half-duplex transmit */
+        {
+            for(i = bytes; i > 0; i--)
+            {
+                *(ecspiState.rxBuffPtr + i - 1) = data & 0xFF;
+                data >>= 8;
+            }
+            ecspiState.rxBuffPtr += bytes;
+        }
+        ecspiState.rxSize -= bytes;
+    }
+    return true;
+}
+
+/******************************************************************************
+*
+* Function Name: ECSPI_MasterTransfer
+* Comments: Transmit and Receive an amount of data in no-blocking mode with
+*           interrupt.
+*
+******************************************************************************/
+static bool ECSPI_MasterTransfer(uint8_t* txBuffer, uint8_t* rxBuffer, uint32_t transferSize)
+{
+    uint32_t len;
+
+    if((ecspiState.isBusy) || (transferSize == 0))
+    {
+        return false;
+    }
+
+    /* Update the burst length to real size */
+    len = (uint32_t)(transferSize * 8 - 1);
+    ECSPI_SetBurstLength(BOARD_ECSPI_BASEADDR, len);
+
+    /* Configure the transfer */
+    ecspiState.txBuffPtr = txBuffer;
+    ecspiState.rxBuffPtr = rxBuffer;
+    ecspiState.txSize = transferSize;
+    ecspiState.rxSize = 0;
+
+    /* Fill the TXFIFO */
+    ECSPI_MasterTransmitBurst();
+    /* Enable interrupts */
+    ECSPI_SetIntCmd(BOARD_ECSPI_BASEADDR, ecspiFlagTxfifoEmpty, true);
+    return true;
+}
+
+/******************************************************************************
+*
+* Function Name: ECSPI_MasterGetTransferStatus
+* Comments: Get transfer status.
+*
+******************************************************************************/
+static bool ECSPI_MasterGetTransferStatus(void)
+{
+    return ecspiState.isBusy;
+}
+
+/******************************************************************************
+*
+* Function Name: ECSPI_MasterConfig
+* Comments: ECSPI module initialize
+*
+******************************************************************************/
+static void ECSPI_MasterConfig(ecspi_init_config_t* initConfig)
+{
+    /* Initialize ECSPI transfer state. */
+    ecspiState.isBusy = false;
+
+    /* Initialize ECSPI, parameter configure */
+    ECSPI_Init(BOARD_ECSPI_BASEADDR, initConfig);
+
+    /* Call core API to enable the IRQ. */
+    NVIC_EnableIRQ(BOARD_ECSPI_IRQ_NUM);
+}
+
+/******************************************************************************
+*
+* Function Name: BOARD_ECSPI_MASTER_HANDLER
+* Comments: The interrupt service routine triggered by ECSPI interrupt
+*
+******************************************************************************/
+void BOARD_ECSPI_HANDLER(void)
+{
+    /* Receive data from RXFIFO */
+    ECSPI_MasterReceiveBurst();
+
+    /* Push data left */
+    if(ecspiState.txSize)
+    {
+        ECSPI_MasterTransmitBurst();
+        return;
+    }
+
+    /* No data left to push, but still waiting for rx data, enable receive data available interrupt. */
+    if(ecspiState.rxSize)
+    {
+        ECSPI_SetIntCmd(BOARD_ECSPI_BASEADDR, ecspiFlagRxfifoReady, true);
+        return;
+    }
+
+    /* Disable interrupt */
+    ECSPI_SetIntCmd(BOARD_ECSPI_BASEADDR, ecspiFlagTxfifoEmpty, false);
+    ECSPI_SetIntCmd(BOARD_ECSPI_BASEADDR, ecspiFlagRxfifoReady, false);
+
+    /* Clear the status */
+    ECSPI_ClearStatusFlag(BOARD_ECSPI_BASEADDR, ecspiFlagTxfifoTc);
+    ECSPI_ClearStatusFlag(BOARD_ECSPI_BASEADDR, ecspiFlagRxfifoOverflow);
+
+    ecspiState.isBusy = false;
+}
+
+/*******************************************************************************
+ * EOF
+ ******************************************************************************/
diff --git a/examples/imx7_colibri_m4/driver_examples/ecspi/ecspi_polling/master/armgcc/CMakeLists.txt b/examples/imx7_colibri_m4/driver_examples/ecspi/ecspi_polling/master/armgcc/CMakeLists.txt
new file mode 100644
index 0000000..aed18a3
--- /dev/null
+++ b/examples/imx7_colibri_m4/driver_examples/ecspi/ecspi_polling/master/armgcc/CMakeLists.txt
@@ -0,0 +1,134 @@
+INCLUDE(CMakeForceCompiler)
+
+# CROSS COMPILER SETTING
+SET(CMAKE_SYSTEM_NAME Generic)
+CMAKE_MINIMUM_REQUIRED (VERSION 2.6)
+
+# THE VERSION NUMBER
+SET (Tutorial_VERSION_MAJOR 1)
+SET (Tutorial_VERSION_MINOR 0)
+
+# ENABLE ASM
+ENABLE_LANGUAGE(ASM)
+
+SET(CMAKE_STATIC_LIBRARY_PREFIX)
+SET(CMAKE_STATIC_LIBRARY_SUFFIX)
+
+SET(CMAKE_EXECUTABLE_LIBRARY_PREFIX)
+SET(CMAKE_EXECUTABLE_LIBRARY_SUFFIX)
+
+
+# CURRENT DIRECTORY
+SET(ProjDirPath ${CMAKE_CURRENT_SOURCE_DIR})
+
+# DEBUG LINK FILE
+set(CMAKE_EXE_LINKER_FLAGS_DEBUG "${CMAKE_EXE_LINKER_FLAGS_DEBUG} -T${ProjDirPath}/../../../../../../../platform/devices/MCIMX7D/linker/gcc/MCIMX7D_M4_tcm.ld  -static")
+
+# RELEASE LINK FILE
+set(CMAKE_EXE_LINKER_FLAGS_RELEASE "${CMAKE_EXE_LINKER_FLAGS_RELEASE} -T${ProjDirPath}/../../../../../../../platform/devices/MCIMX7D/linker/gcc/MCIMX7D_M4_tcm.ld  -static")
+
+# DEBUG ASM FLAGS
+SET(CMAKE_ASM_FLAGS_DEBUG "${CMAKE_ASM_FLAGS_DEBUG} -g  -mcpu=cortex-m4  -mfloat-abi=hard  -mfpu=fpv4-sp-d16  -mthumb  -Wall  -fno-common  -ffunction-sections  -fdata-sections  -ffreestanding  -fno-builtin  -mapcs  -std=gnu99")
+
+# DEBUG C FLAGS
+SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -g  -O0  -mcpu=cortex-m4  -mfloat-abi=hard  -mfpu=fpv4-sp-d16  -mthumb  -MMD  -MP  -Wall  -fno-common  -ffunction-sections  -fdata-sections  -ffreestanding  -fno-builtin  -mapcs  -std=gnu99")
+
+# DEBUG LD FLAGS
+SET(CMAKE_EXE_LINKER_FLAGS_DEBUG "${CMAKE_EXE_LINKER_FLAGS_DEBUG} -g  -mcpu=cortex-m4  -mfloat-abi=hard  -mfpu=fpv4-sp-d16  --specs=nano.specs  -lm  -Wall  -fno-common  -ffunction-sections  -fdata-sections  -ffreestanding  -fno-builtin  -Os  -mthumb  -mapcs  -Xlinker --gc-sections  -Xlinker -static  -Xlinker -z  -Xlinker muldefs")
+
+# RELEASE ASM FLAGS
+SET(CMAKE_ASM_FLAGS_RELEASE "${CMAKE_ASM_FLAGS_RELEASE} -mcpu=cortex-m4  -mfloat-abi=hard  -mfpu=fpv4-sp-d16  -mthumb  -Wall  -fno-common  -ffunction-sections  -fdata-sections  -ffreestanding  -fno-builtin  -mapcs  -std=gnu99")
+
+# RELEASE C FLAGS
+SET(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -Os  -mcpu=cortex-m4  -mfloat-abi=hard  -mfpu=fpv4-sp-d16  -mthumb  -MMD  -MP  -Wall  -fno-common  -ffunction-sections  -fdata-sections  -ffreestanding  -fno-builtin  -mapcs  -std=gnu99")
+
+# RELEASE LD FLAGS
+SET(CMAKE_EXE_LINKER_FLAGS_RELEASE "${CMAKE_EXE_LINKER_FLAGS_RELEASE} -mcpu=cortex-m4  -mfloat-abi=hard  -mfpu=fpv4-sp-d16  --specs=nano.specs  -lm  -Wall  -fno-common  -ffunction-sections  -fdata-sections  -ffreestanding  -fno-builtin  -Os  -mthumb  -mapcs  -Xlinker --gc-sections  -Xlinker -static  -Xlinker -z  -Xlinker muldefs")
+
+# ASM MACRO
+SET(CMAKE_ASM_FLAGS_DEBUG "${CMAKE_ASM_FLAGS_DEBUG}  -D__DEBUG")
+
+# C MACRO
+SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG}  -D__DEBUG")
+SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG}  -DCPU_MCIMX7D_M4")
+SET(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE}  -D__NDEBUG")
+SET(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE}  -DCPU_MCIMX7D_M4")
+
+# CXX MACRO
+
+# INCLUDE_DIRECTORIES
+IF(CMAKE_BUILD_TYPE MATCHES Debug)
+    INCLUDE_DIRECTORIES(${ProjDirPath}/../../../../..)
+    INCLUDE_DIRECTORIES(${ProjDirPath}/../../../../../../../platform/CMSIS/Include)
+    INCLUDE_DIRECTORIES(${ProjDirPath}/../../../../../../../platform/devices)
+    INCLUDE_DIRECTORIES(${ProjDirPath}/../../../../../../../platform/devices/MCIMX7D/include)
+    INCLUDE_DIRECTORIES(${ProjDirPath}/../../../../../../../platform/devices/MCIMX7D/startup)
+    INCLUDE_DIRECTORIES(${ProjDirPath}/../../../../../../../platform/drivers/inc)
+    INCLUDE_DIRECTORIES(${ProjDirPath}/../../../../../../../platform/utilities/inc)
+    INCLUDE_DIRECTORIES(${ProjDirPath}/../../../../..)
+ELSEIF(CMAKE_BUILD_TYPE MATCHES Release)
+    INCLUDE_DIRECTORIES(${ProjDirPath}/../../../../..)
+    INCLUDE_DIRECTORIES(${ProjDirPath}/../../../../../../../platform/CMSIS/Include)
+    INCLUDE_DIRECTORIES(${ProjDirPath}/../../../../../../../platform/devices)
+    INCLUDE_DIRECTORIES(${ProjDirPath}/../../../../../../../platform/devices/MCIMX7D/include)
+    INCLUDE_DIRECTORIES(${ProjDirPath}/../../../../../../../platform/devices/MCIMX7D/startup)
+    INCLUDE_DIRECTORIES(${ProjDirPath}/../../../../../../../platform/drivers/inc)
+    INCLUDE_DIRECTORIES(${ProjDirPath}/../../../../../../../platform/utilities/inc)
+    INCLUDE_DIRECTORIES(${ProjDirPath}/../../../../..)
+ENDIF()
+
+# ADD_EXECUTABLE
+ADD_EXECUTABLE(ecspi_polling_master_example
+    "${ProjDirPath}/../../../../../../../platform/devices/MCIMX7D/startup/gcc/startup_MCIMX7D_M4.S"
+    "${ProjDirPath}/../../../../../../../platform/utilities/src/debug_console_imx.c"
+    "${ProjDirPath}/../../../../../../../platform/utilities/inc/debug_console_imx.h"
+    "${ProjDirPath}/../../../../../../../platform/utilities/src/print_scan.c"
+    "${ProjDirPath}/../../../../../../../platform/utilities/src/print_scan.h"
+    "${ProjDirPath}/../../../../../../../platform/drivers/inc/ccm_analog_imx7d.h"
+    "${ProjDirPath}/../../../../../../../platform/drivers/inc/ccm_imx7d.h"
+    "${ProjDirPath}/../../../../../../../platform/drivers/inc/lmem.h"
+    "${ProjDirPath}/../../../../../../../platform/drivers/inc/rdc.h"
+    "${ProjDirPath}/../../../../../../../platform/drivers/inc/rdc_defs_imx7d.h"
+    "${ProjDirPath}/../../../../../../../platform/drivers/inc/wdog_imx.h"
+    "${ProjDirPath}/../../../../../../../platform/drivers/src/ccm_analog_imx7d.c"
+    "${ProjDirPath}/../../../../../../../platform/drivers/src/ccm_imx7d.c"
+    "${ProjDirPath}/../../../../../../../platform/drivers/src/lmem.c"
+    "${ProjDirPath}/../../../../../../../platform/drivers/src/rdc.c"
+    "${ProjDirPath}/../../../../../../../platform/drivers/src/wdog_imx.c"
+    "${ProjDirPath}/../../../../../../../platform/devices/MCIMX7D/startup/system_MCIMX7D_M4.c"
+    "${ProjDirPath}/../../../../../../../platform/devices/MCIMX7D/startup/system_MCIMX7D_M4.h"
+    "${ProjDirPath}/../../../../../pin_mux.c"
+    "${ProjDirPath}/../../../../../pin_mux.h"
+    "${ProjDirPath}/../../../../../board.c"
+    "${ProjDirPath}/../../../../../board.h"
+    "${ProjDirPath}/../../../../../clock_freq.c"
+    "${ProjDirPath}/../../../../../clock_freq.h"
+    "${ProjDirPath}/../hardware_init.c"
+    "${ProjDirPath}/../main.c"
+    "${ProjDirPath}/../../../../../../../platform/drivers/src/ecspi.c"
+    "${ProjDirPath}/../../../../../../../platform/drivers/inc/ecspi.h"
+    "${ProjDirPath}/../../../../../../../platform/drivers/src/uart_imx.c"
+    "${ProjDirPath}/../../../../../../../platform/drivers/inc/uart_imx.h"
+)
+SET_TARGET_PROPERTIES(ecspi_polling_master_example PROPERTIES OUTPUT_NAME "ecspi_polling_master_example.elf")
+
+TARGET_LINK_LIBRARIES(ecspi_polling_master_example -Wl,--start-group)
+# LIBRARIES
+IF(CMAKE_BUILD_TYPE MATCHES Debug)
+ELSEIF(CMAKE_BUILD_TYPE MATCHES Release)
+ENDIF()
+
+# SYSTEM LIBRARIES
+TARGET_LINK_LIBRARIES(ecspi_polling_master_example m)
+TARGET_LINK_LIBRARIES(ecspi_polling_master_example c)
+TARGET_LINK_LIBRARIES(ecspi_polling_master_example gcc)
+TARGET_LINK_LIBRARIES(ecspi_polling_master_example nosys)
+TARGET_LINK_LIBRARIES(ecspi_polling_master_example -Wl,--end-group)
+
+# MAP FILE
+SET(CMAKE_EXE_LINKER_FLAGS_DEBUG "${CMAKE_EXE_LINKER_FLAGS_DEBUG}  -Xlinker -Map=debug/ecspi_polling_master_example.map")
+SET(CMAKE_EXE_LINKER_FLAGS_RELEASE "${CMAKE_EXE_LINKER_FLAGS_RELEASE}  -Xlinker -Map=release/ecspi_polling_master_example.map")
+
+# BIN AND HEX
+ADD_CUSTOM_COMMAND(TARGET ecspi_polling_master_example POST_BUILD COMMAND ${CMAKE_OBJCOPY} -Oihex ${EXECUTABLE_OUTPUT_PATH}/ecspi_polling_master_example.elf ${EXECUTABLE_OUTPUT_PATH}/ecspi_polling_master_example.hex)
+ADD_CUSTOM_COMMAND(TARGET ecspi_polling_master_example POST_BUILD COMMAND ${CMAKE_OBJCOPY} -Obinary ${EXECUTABLE_OUTPUT_PATH}/ecspi_polling_master_example.elf ${EXECUTABLE_OUTPUT_PATH}/ecspi_polling_master_example.bin)
diff --git a/examples/imx7_colibri_m4/driver_examples/ecspi/ecspi_polling/master/armgcc/build_all.bat b/examples/imx7_colibri_m4/driver_examples/ecspi/ecspi_polling/master/armgcc/build_all.bat
new file mode 100644
index 0000000..1939438
--- /dev/null
+++ b/examples/imx7_colibri_m4/driver_examples/ecspi/ecspi_polling/master/armgcc/build_all.bat
@@ -0,0 +1,5 @@
+cmake -DCMAKE_TOOLCHAIN_FILE="../../../../../../../tools/cmake_toolchain_files/armgcc.cmake" -G "MinGW Makefiles" -DCMAKE_BUILD_TYPE=Debug  .
+mingw32-make -j4
+cmake -DCMAKE_TOOLCHAIN_FILE="../../../../../../../tools/cmake_toolchain_files/armgcc.cmake" -G "MinGW Makefiles" -DCMAKE_BUILD_TYPE=Release  .
+mingw32-make -j4
+pause
diff --git a/examples/imx7_colibri_m4/driver_examples/ecspi/ecspi_polling/master/armgcc/build_all.sh b/examples/imx7_colibri_m4/driver_examples/ecspi/ecspi_polling/master/armgcc/build_all.sh
new file mode 100755
index 0000000..fc1cfb1
--- /dev/null
+++ b/examples/imx7_colibri_m4/driver_examples/ecspi/ecspi_polling/master/armgcc/build_all.sh
@@ -0,0 +1,5 @@
+#!/bin/sh
+cmake -DCMAKE_TOOLCHAIN_FILE="../../../../../../../tools/cmake_toolchain_files/armgcc.cmake" -G "Eclipse CDT4 - Unix Makefiles" -DCMAKE_BUILD_TYPE=Debug  .
+make -j4
+cmake -DCMAKE_TOOLCHAIN_FILE="../../../../../../../tools/cmake_toolchain_files/armgcc.cmake" -G "Eclipse CDT4 - Unix Makefiles" -DCMAKE_BUILD_TYPE=Release  .
+make -j4
diff --git a/examples/imx7_colibri_m4/driver_examples/ecspi/ecspi_polling/master/armgcc/build_debug.bat b/examples/imx7_colibri_m4/driver_examples/ecspi/ecspi_polling/master/armgcc/build_debug.bat
new file mode 100644
index 0000000..4950fc9
--- /dev/null
+++ b/examples/imx7_colibri_m4/driver_examples/ecspi/ecspi_polling/master/armgcc/build_debug.bat
@@ -0,0 +1,3 @@
+cmake -DCMAKE_TOOLCHAIN_FILE="../../../../../../../tools/cmake_toolchain_files/armgcc.cmake" -G "MinGW Makefiles" -DCMAKE_BUILD_TYPE=Debug  .
+mingw32-make -j4
+pause
diff --git a/examples/imx7_colibri_m4/driver_examples/ecspi/ecspi_polling/master/armgcc/build_debug.sh b/examples/imx7_colibri_m4/driver_examples/ecspi/ecspi_polling/master/armgcc/build_debug.sh
new file mode 100755
index 0000000..869b369
--- /dev/null
+++ b/examples/imx7_colibri_m4/driver_examples/ecspi/ecspi_polling/master/armgcc/build_debug.sh
@@ -0,0 +1,3 @@
+#!/bin/sh
+cmake -DCMAKE_TOOLCHAIN_FILE="../../../../../../../tools/cmake_toolchain_files/armgcc.cmake" -G "Eclipse CDT4 - Unix Makefiles" -DCMAKE_BUILD_TYPE=Debug  .
+make -j4
diff --git a/examples/imx7_colibri_m4/driver_examples/ecspi/ecspi_polling/master/armgcc/build_release.bat b/examples/imx7_colibri_m4/driver_examples/ecspi/ecspi_polling/master/armgcc/build_release.bat
new file mode 100644
index 0000000..9ec4b80
--- /dev/null
+++ b/examples/imx7_colibri_m4/driver_examples/ecspi/ecspi_polling/master/armgcc/build_release.bat
@@ -0,0 +1,3 @@
+cmake -DCMAKE_TOOLCHAIN_FILE="../../../../../../../tools/cmake_toolchain_files/armgcc.cmake" -G "MinGW Makefiles" -DCMAKE_BUILD_TYPE=Release  .
+mingw32-make -j4
+pause
diff --git a/examples/imx7_colibri_m4/driver_examples/ecspi/ecspi_polling/master/armgcc/build_release.sh b/examples/imx7_colibri_m4/driver_examples/ecspi/ecspi_polling/master/armgcc/build_release.sh
new file mode 100755
index 0000000..25773b2
--- /dev/null
+++ b/examples/imx7_colibri_m4/driver_examples/ecspi/ecspi_polling/master/armgcc/build_release.sh
@@ -0,0 +1,3 @@
+#!/bin/sh
+cmake -DCMAKE_TOOLCHAIN_FILE="../../../../../../../tools/cmake_toolchain_files/armgcc.cmake" -G "Eclipse CDT4 - Unix Makefiles" -DCMAKE_BUILD_TYPE=Release  .
+make -j4
diff --git a/examples/imx7_colibri_m4/driver_examples/ecspi/ecspi_polling/master/armgcc/clean.bat b/examples/imx7_colibri_m4/driver_examples/ecspi/ecspi_polling/master/armgcc/clean.bat
new file mode 100644
index 0000000..ffea088
--- /dev/null
+++ b/examples/imx7_colibri_m4/driver_examples/ecspi/ecspi_polling/master/armgcc/clean.bat
@@ -0,0 +1,3 @@
+RD /s /Q Debug Release CMakeFiles
+DEL /s /Q /F Makefile cmake_install.cmake CMakeCache.txt
+pause
diff --git a/examples/imx7_colibri_m4/driver_examples/ecspi/ecspi_polling/master/armgcc/clean.sh b/examples/imx7_colibri_m4/driver_examples/ecspi/ecspi_polling/master/armgcc/clean.sh
new file mode 100755
index 0000000..795ad87
--- /dev/null
+++ b/examples/imx7_colibri_m4/driver_examples/ecspi/ecspi_polling/master/armgcc/clean.sh
@@ -0,0 +1,3 @@
+#!/bin/sh
+rm -rf debug release CMakeFiles
+rm -rf Makefile cmake_install.cmake CMakeCache.txt
diff --git a/examples/imx7_colibri_m4/driver_examples/ecspi/ecspi_polling/master/hardware_init.c b/examples/imx7_colibri_m4/driver_examples/ecspi/ecspi_polling/master/hardware_init.c
new file mode 100644
index 0000000..7ba46bc
--- /dev/null
+++ b/examples/imx7_colibri_m4/driver_examples/ecspi/ecspi_polling/master/hardware_init.c
@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2015, Freescale Semiconductor, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * o Redistributions of source code must retain the above copyright notice, this list
+ *   of conditions and the following disclaimer.
+ *
+ * o 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.
+ *
+ * o Neither the name of Freescale Semiconductor, Inc. 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 AND CONTRIBUTORS "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 OR CONTRIBUTORS 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.
+ */
+
+#include "board.h"
+#include "pin_mux.h"
+
+void hardware_init(void)
+{
+    /* Board specific RDC settings */
+    BOARD_RdcInit();
+    /* Board specific clock settings */
+    BOARD_ClockInit();
+    /* initialize debug uart */
+    dbg_uart_init();
+
+    /* RDC ECSPI */
+    RDC_SetPdapAccess(RDC, BOARD_ECSPI_RDC_PDAP, 3 << (BOARD_DOMAIN_ID * 2), false, false);
+    /* Select board ecspi clock derived from OSC clock(24M) */
+    CCM_UpdateRoot(CCM, BOARD_ECSPI_CCM_ROOT, ccmRootmuxEcspiOsc24m, 0, 0);
+    /* Enable ecspi clock gate */
+    CCM_EnableRoot(CCM, BOARD_ECSPI_CCM_ROOT);
+    CCM_ControlGate(CCM, BOARD_ECSPI_CCM_CCGR, ccmClockNeededAll);
+    /* Configure ecspi pin IOMUX */
+    configure_ecspi_pins(BOARD_ECSPI_BASEADDR);
+}
+
+/*******************************************************************************
+ * EOF
+ ******************************************************************************/
diff --git a/examples/imx7_colibri_m4/driver_examples/ecspi/ecspi_polling/master/main.c b/examples/imx7_colibri_m4/driver_examples/ecspi/ecspi_polling/master/main.c
new file mode 100644
index 0000000..95f080d
--- /dev/null
+++ b/examples/imx7_colibri_m4/driver_examples/ecspi/ecspi_polling/master/main.c
@@ -0,0 +1,135 @@
+/*
+ * Copyright (c) 2015, Freescale Semiconductor, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * o Redistributions of source code must retain the above copyright notice, this list
+ *   of conditions and the following disclaimer.
+ *
+ * o 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.
+ *
+ * o Neither the name of Freescale Semiconductor, Inc. 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 AND CONTRIBUTORS "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 OR CONTRIBUTORS 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.
+ */
+
+#include <stdio.h>
+#include "board.h"
+#include "debug_console_imx.h"
+#include "ecspi.h"
+#include "clock_freq.h"
+
+/* define ECSPI master mode parameters configuration. */
+#define ECSPI_MASTER_BURSTLENGTH        (7)
+#define ECSPI_MASTER_STARTMODE          (0)
+#define BURST_LENGTH_IN_BYTES(x)        ((8 * x) - 1)
+
+/* ECSPI data transfer */
+static bool ECSPI_MasterTransfer(uint8_t* txBuffer, uint8_t* rxBuffer, uint32_t transferSize);
+
+int main(void)
+{
+    uint8_t txData = 0;
+    uint8_t rxData = 0;
+    uint8_t control_char;
+
+    ecspi_init_config_t initConfig = {
+        .baudRate = 500000,
+        .mode = ecspiMasterMode,
+        .burstLength = ECSPI_MASTER_BURSTLENGTH,
+        .channelSelect = BOARD_ECSPI_CHANNEL,
+        .clockPhase = ecspiClockPhaseSecondEdge,
+        .clockPolarity = ecspiClockPolarityActiveHigh,
+        .ecspiAutoStart = ECSPI_MASTER_STARTMODE
+    };
+
+    /* Hardware initialize, include RDC, CLOCK, IOMUX, ENABLE MODULE */
+    hardware_init();
+
+    /* Update clock frequency of this module */
+    initConfig.clockRate = get_ecspi_clock_freq(BOARD_ECSPI_BASEADDR);
+
+    PRINTF("\n-------------- ECSPI master driver example --------------\n\n\r");
+    PRINTF("This example application demonstrates usage of SPI driver in master mode.\n\r");
+    PRINTF("It transfers data to/from remote MCU in SPI slave mode.\n\r");
+
+    /* Ecspi module initialize, include configure parameters */
+    ECSPI_Init(BOARD_ECSPI_BASEADDR, &initConfig);
+
+    /* Wait slave ready, then press 's' to start communication. */
+    while (true)
+    {
+        PRINTF("Press \"s\" when SPI slave is ready.\n\r");
+        control_char = GETCHAR();
+        if ((control_char == 's') || (control_char == 'S'))
+            break;
+    }
+
+    /* Send 1~20 to slave and receive data from slave */
+    for (uint8_t i = 0; i < 20; i++)
+    {
+        txData++;
+        ECSPI_MasterTransfer(&txData, &rxData, 1);
+        PRINTF("MASTER: Transmited data: %d \n\r", txData);
+        PRINTF("      : Received   data: %d \n\r", rxData);
+    }
+
+    PRINTF("Example finish!!!\n\r");
+    while (1)
+        __WFI();
+}
+
+/******************************************************************************
+*
+* Function Name: ECSPI_MasterTransfer
+* Comments: Transmit and Receive an amount of data in no-blocking mode with
+*           interrupt.
+*
+******************************************************************************/
+static bool ECSPI_MasterTransfer(uint8_t* txBuffer, uint8_t* rxBuffer, uint32_t transferSize)
+{
+    if (0 == transferSize)
+        return false;
+
+    /* Set the burst length to one byte(8 bits) */
+    ECSPI_SetBurstLength(BOARD_ECSPI_BASEADDR, BURST_LENGTH_IN_BYTES(1));
+
+    while (transferSize)
+    {
+        /* Fill the TXFIFO */
+        ECSPI_SendData(BOARD_ECSPI_BASEADDR, *txBuffer++);
+
+        /* start transmission */
+        ECSPI_StartBurst(BOARD_ECSPI_BASEADDR);
+
+        /* Wait transmission finish */
+        while (!ECSPI_GetStatusFlag(BOARD_ECSPI_BASEADDR, ecspiFlagTxfifoTc));
+        ECSPI_ClearStatusFlag(BOARD_ECSPI_BASEADDR, ecspiFlagTxfifoTc);
+
+        /* Fill the RXFIFO */
+        *rxBuffer = ECSPI_ReceiveData(BOARD_ECSPI_BASEADDR);
+
+        transferSize--;
+    }
+
+    return true;
+}
+
+/*******************************************************************************
+ * EOF
+ ******************************************************************************/