Merge branch 'master' of https://gitee.com/zyf96420/rt-thread

bsp/gd32103c-eval/Kconfig

@@ -96,5 +96,14 @@ menu "On-chip Peripheral Drivers"
                 bool "using hwtimer7"
                 default n
         endif
+    config BSP_USING_WDT
+        bool "Enable Watchdog Timer"
+        select RT_USING_WDT
+        default n
+
+    config BSP_USING_RTC
+        bool "using internal rtc"
+        default n
+        select RT_USING_RTC
 
 endmenu

bsp/gd32103c-eval/README.md

@@ -48,6 +48,8 @@ msh />
 | GPIO      | 支持     |          GPIOA~G           |
 | ADC       | 支持     |          ADC0~1            |
 | HWTIMER   | 支持     |          TIMER0~7          |
+| RTC       | 支持     |          RTC               |
+| WDT       | 支持     |    Free watchdog timer     |
 | IIC       | 未支持   |          I2C0~1            |
 | SPI       | 未支持   |          SPI0~2            |
 | ETH       | 未支持   |                            |

bsp/gd32103c-eval/drivers/SConscript

@@ -24,6 +24,12 @@ if GetDepend('RT_USING_ADC'):
 if GetDepend('RT_USING_HWTIMER'):
     src += ['drv_hwtimer.c']
 
+if GetDepend('RT_USING_RTC'):
+    src += ['drv_rtc.c']
+
+if GetDepend('RT_USING_WDT'):
+    src += ['drv_iwdt.c']
+
 group = DefineGroup('Drivers', src, depend = [''], CPPPATH = CPPPATH)
 
 Return('group')

bsp/gd32103c-eval/drivers/drv_iwdt.c

+/*
+ * Copyright (c) 2006-2021, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author            Notes
+ * 2021-03-03     iysheng           first version
+ */
+
+#include <board.h>
+
+#define DBG_TAG             "drv.wdt"
+#define DBG_LVL             DBG_INFO
+#include <rtdbg.h>
+
+#ifdef RT_USING_WDT
+
+typedef struct {
+    struct rt_watchdog_device wdt;
+    rt_uint32_t min_threshold_s;
+    rt_uint32_t max_threshold_s;
+    rt_uint32_t current_threshold_s;
+} gd32_wdt_device_t;
+
+static gd32_wdt_device_t g_wdt_dev;
+
+static rt_err_t gd32_iwdt_init(rt_watchdog_t *wdt)
+{
+    rcu_osci_on(RCU_IRC40K);
+    if (ERROR == rcu_osci_stab_wait(RCU_IRC40K))
+    {
+        LOG_E("failed init IRC40K clock for free watchdog.");
+        return -EINVAL;
+    }
+
+    g_wdt_dev.min_threshold_s = 1;
+    g_wdt_dev.max_threshold_s = (0xfff << 8) / 40000;
+    LOG_I("threshold section [%u, %d]", \
+        g_wdt_dev.min_threshold_s, g_wdt_dev.max_threshold_s);
+
+    IWDG_Write_Enable(IWDG_WRITEACCESS_ENABLE);
+    IWDG_SetPrescaler(IWDG_PRESCALER_256);
+    IWDG_SetReloadValue(0xfff);
+    IWDG_Write_Enable(IWDG_WRITEACCESS_DISABLE);
+
+    return 0;
+}
+
+static rt_err_t gd32_iwdt_control(rt_watchdog_t *wdt, int cmd, void *arg)
+{
+    rt_uint32_t param;
+
+    switch (cmd)
+    {
+    case RT_DEVICE_CTRL_WDT_KEEPALIVE:
+        IWDG_ReloadCounter();
+        break;
+    case RT_DEVICE_CTRL_WDT_SET_TIMEOUT:
+        param = *(rt_uint32_t *) arg;
+        if ((param > g_wdt_dev.max_threshold_s) || \
+            (param < g_wdt_dev.min_threshold_s))
+        {
+            LOG_E("invalid param@%u.", param);
+            return -E2BIG;
+        }
+        else
+        {
+            g_wdt_dev.current_threshold_s = param;
+        }
+        IWDG_Write_Enable(IWDG_WRITEACCESS_ENABLE);
+        IWDG_SetReloadValue(param * 40000 >> 8);
+        IWDG_Write_Enable(IWDG_WRITEACCESS_DISABLE);
+        break;
+    case RT_DEVICE_CTRL_WDT_GET_TIMEOUT:
+        *(rt_uint32_t *)arg = g_wdt_dev.current_threshold_s;
+        break;
+    case RT_DEVICE_CTRL_WDT_START:
+        IWDG_Enable();
+        break;
+    default:
+        LOG_W("This command is not supported.");
+        return -RT_ERROR;
+    }
+
+    return RT_EOK;
+}
+
+static struct rt_watchdog_ops g_wdt_ops = {
+    gd32_iwdt_init,
+    gd32_iwdt_control,
+};
+
+static int rt_hw_iwdt_init(void)
+{
+    rt_err_t ret;
+
+    g_wdt_dev.wdt.ops = &g_wdt_ops;
+    /* register watchdog device */
+    if (rt_hw_watchdog_register(&g_wdt_dev.wdt, "iwdt", \
+        RT_DEVICE_FLAG_DEACTIVATE, RT_NULL) != RT_EOK)
+    {
+        LOG_E("wdt device register failed.");
+        return -RT_ERROR;
+    }
+    LOG_D("wdt device register success.");
+
+    return ret;
+}
+INIT_BOARD_EXPORT(rt_hw_iwdt_init);
+#endif

bsp/gd32103c-eval/drivers/drv_rtc.c

+/*
+ * Copyright (c) 2006-2021, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author            Notes
+ * 2021-02-20     iysheng           first version
+ */
+
+#include <board.h>
+#include <sys/time.h>
+#include <drivers/drv_comm.h>
+
+#define DBG_TAG             "drv.rtc"
+#define DBG_LVL             DBG_INFO
+
+#include <rtdbg.h>
+
+#ifdef RT_USING_RTC
+
+typedef struct {
+    struct rt_device rtc_dev;
+} gd32_rtc_device;
+
+static gd32_rtc_device g_gd32_rtc_dev;
+
+static time_t get_rtc_timestamp(void)
+{
+    time_t rtc_counter;
+
+    rtc_counter = (time_t)RTC_GetCounter();
+
+    return rtc_counter;
+}
+
+static rt_err_t set_rtc_timestamp(time_t time_stamp)
+{
+    uint32_t rtc_counter;
+
+    rtc_counter = (uint32_t)time_stamp;
+
+    /* wait until LWOFF bit in RTC_CTL to 1 */
+    RTC_WaitLWOFF();
+    /* enter configure mode */
+    RTC_EnterConfigMode();
+    /* write data to rtc register */
+    RTC_SetCounter(rtc_counter);
+    /* exit configure mode */
+    RTC_ExitConfigMode();
+    /* wait until LWOFF bit in RTC_CTL to 1 */
+    RTC_WaitLWOFF();
+
+    return RT_EOK;
+}
+
+static rt_err_t rt_gd32_rtc_control(rt_device_t dev, int cmd, void *args)
+{
+    rt_err_t result = RT_EOK;
+
+    RT_ASSERT(dev != RT_NULL);
+    switch (cmd)
+    {
+    case RT_DEVICE_CTRL_RTC_GET_TIME:
+        *(rt_uint32_t *)args = get_rtc_timestamp();
+        break;
+
+    case RT_DEVICE_CTRL_RTC_SET_TIME:
+        if (set_rtc_timestamp(*(rt_uint32_t *)args))
+        {
+            result = -RT_ERROR;
+        }
+        break;
+    }
+
+    return result;
+}
+
+#ifdef RT_USING_DEVICE_OPS
+const static struct rt_device_ops g_gd32_rtc_ops =
+{
+    RT_NULL,
+    RT_NULL,
+    RT_NULL,
+    RT_NULL,
+    RT_NULL,
+    rt_gd32_rtc_control
+};
+#endif
+
+static int rt_hw_rtc_init(void)
+{
+    rt_err_t ret;
+    time_t rtc_counter;
+
+    rcu_periph_clock_enable(RCU_PMU);
+    PWR_BackupAccess_Enable(ENABLE);
+    rcu_periph_clock_enable(RCU_BKPI);
+
+    rtc_counter = get_rtc_timestamp();
+    /* once the rtc clock source has been selected, if can't be changed
+     * anymore unless the Backup domain is reset */
+    rcu_bkp_reset_enable();
+    rcu_bkp_reset_disable();
+    rcu_periph_clock_enable(RCU_RTC);
+    rcu_osci_on(RCU_LXTAL);
+    if (SUCCESS == rcu_osci_stab_wait(RCU_LXTAL))
+    {
+        /* set lxtal as rtc clock source */
+        rcu_rtc_clock_config(RCU_RTCSRC_LXTAL);
+    }
+    set_rtc_timestamp(rtc_counter);
+
+#ifdef RT_USING_DEVICE_OPS
+    g_gd32_rtc_dev.rtc_dev.ops         = &g_gd32_rtc_ops;
+#else
+    g_gd32_rtc_dev.rtc_dev.init        = RT_NULL;
+    g_gd32_rtc_dev.rtc_dev.open        = RT_NULL;
+    g_gd32_rtc_dev.rtc_dev.close       = RT_NULL;
+    g_gd32_rtc_dev.rtc_dev.read        = RT_NULL;
+    g_gd32_rtc_dev.rtc_dev.write       = RT_NULL;
+    g_gd32_rtc_dev.rtc_dev.control     = rt_gd32_rtc_control;
+#endif
+    g_gd32_rtc_dev.rtc_dev.type        = RT_Device_Class_RTC;
+    g_gd32_rtc_dev.rtc_dev.rx_indicate = RT_NULL;
+    g_gd32_rtc_dev.rtc_dev.tx_complete = RT_NULL;
+    g_gd32_rtc_dev.rtc_dev.user_data   = RT_NULL;
+
+    ret = rt_device_register(&g_gd32_rtc_dev.rtc_dev, "rtc", \
+        RT_DEVICE_FLAG_RDWR);
+    if (ret != RT_EOK)
+    {
+        LOG_E("failed register internal rtc device, err=%d", ret);
+    }
+
+    return ret;
+}
+INIT_DEVICE_EXPORT(rt_hw_rtc_init);
+#endif

bsp/maxim/MAX32660_EVSYS/rtconfig.py

@@ -133,3 +133,11 @@ elif PLATFORM == 'iar':
     
     EXEC_PATH = EXEC_PATH + '/arm/bin/'
     POST_ACTION = 'ielftool --bin $TARGET rtthread.bin'
+
+
+def dist_handle(BSP_ROOT, dist_dir):
+    import sys
+    cwd_path = os.getcwd()
+    sys.path.append(os.path.join(os.path.dirname(BSP_ROOT), 'tools'))
+    from sdk_dist import dist_do_building
+    dist_do_building(BSP_ROOT, dist_dir)
\ No newline at end of file

bsp/maxim/tools/sdk_dist.py

+import os
+import sys
+import shutil
+
+cwd_path = os.getcwd()
+sys.path.append(os.path.join(os.path.dirname(cwd_path), 'rt-thread', 'tools'))
+
+
+# BSP dist function
+def dist_do_building(BSP_ROOT, dist_dir):
+    from mkdist import bsp_copy_files
+    import rtconfig
+
+    print("=> copy maxim bsp library")
+    library_dir = os.path.join(dist_dir, 'libraries')
+    library_path = os.path.join(os.path.dirname(BSP_ROOT), 'libraries')
+
+    print("=> copy bsp drivers")
+    bsp_copy_files(os.path.join(library_path, 'HAL_Drivers'), os.path.join(library_dir, 'HAL_Drivers'))
+    bsp_copy_files(os.path.join(library_path, 'MAX32660PeriphDriver'), os.path.join(library_dir, 'MAX32660PeriphDriver'))
+    
\ No newline at end of file

bsp/nuvoton/README.md

@@ -6,3 +6,4 @@ Current supported BSP shown in below table:
 | [numaker-iot-m487](numaker-iot-m487) | Nuvoton NuMaker-IoT-M487 |
 | [numaker-pfm-m487](numaker-pfm-m487) | Nuvoton NuMaker-PFM-M487 |
 | [nk-980iot](nk-980iot) | Nuvoton NK-980IOT |
+| [numaker-m2354](numaker-m2354) | Nuvoton NuMaker-M2354 |
\ No newline at end of file

bsp/nuvoton/libraries/m2354/CMSIS/Include/arm_common_tables.h

+/* ----------------------------------------------------------------------
+ * Project:      CMSIS DSP Library
+ * Title:        arm_common_tables.h
+ * Description:  Extern declaration for common tables
+ *
+ * $Date:        27. January 2017
+ * $Revision:    V.1.5.1
+ *
+ * Target Processor: Cortex-M cores
+ * -------------------------------------------------------------------- */
+/*
+ * Copyright (C) 2010-2017 ARM Limited or its affiliates. All rights reserved.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed 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
+ *
+ * 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.
+ */
+
+#ifndef _ARM_COMMON_TABLES_H
+#define _ARM_COMMON_TABLES_H
+
+#include "arm_math.h"
+
+extern const uint16_t armBitRevTable[1024];
+extern const q15_t armRecipTableQ15[64];
+extern const q31_t armRecipTableQ31[64];
+extern const float32_t twiddleCoef_16[32];
+extern const float32_t twiddleCoef_32[64];
+extern const float32_t twiddleCoef_64[128];
+extern const float32_t twiddleCoef_128[256];
+extern const float32_t twiddleCoef_256[512];
+extern const float32_t twiddleCoef_512[1024];
+extern const float32_t twiddleCoef_1024[2048];
+extern const float32_t twiddleCoef_2048[4096];
+extern const float32_t twiddleCoef_4096[8192];
+#define twiddleCoef twiddleCoef_4096
+extern const q31_t twiddleCoef_16_q31[24];
+extern const q31_t twiddleCoef_32_q31[48];
+extern const q31_t twiddleCoef_64_q31[96];
+extern const q31_t twiddleCoef_128_q31[192];
+extern const q31_t twiddleCoef_256_q31[384];
+extern const q31_t twiddleCoef_512_q31[768];
+extern const q31_t twiddleCoef_1024_q31[1536];
+extern const q31_t twiddleCoef_2048_q31[3072];
+extern const q31_t twiddleCoef_4096_q31[6144];
+extern const q15_t twiddleCoef_16_q15[24];
+extern const q15_t twiddleCoef_32_q15[48];
+extern const q15_t twiddleCoef_64_q15[96];
+extern const q15_t twiddleCoef_128_q15[192];
+extern const q15_t twiddleCoef_256_q15[384];
+extern const q15_t twiddleCoef_512_q15[768];
+extern const q15_t twiddleCoef_1024_q15[1536];
+extern const q15_t twiddleCoef_2048_q15[3072];
+extern const q15_t twiddleCoef_4096_q15[6144];
+extern const float32_t twiddleCoef_rfft_32[32];
+extern const float32_t twiddleCoef_rfft_64[64];
+extern const float32_t twiddleCoef_rfft_128[128];
+extern const float32_t twiddleCoef_rfft_256[256];
+extern const float32_t twiddleCoef_rfft_512[512];
+extern const float32_t twiddleCoef_rfft_1024[1024];
+extern const float32_t twiddleCoef_rfft_2048[2048];
+extern const float32_t twiddleCoef_rfft_4096[4096];
+
+/* floating-point bit reversal tables */
+#define ARMBITREVINDEXTABLE_16_TABLE_LENGTH ((uint16_t)20)
+#define ARMBITREVINDEXTABLE_32_TABLE_LENGTH ((uint16_t)48)
+#define ARMBITREVINDEXTABLE_64_TABLE_LENGTH ((uint16_t)56)
+#define ARMBITREVINDEXTABLE_128_TABLE_LENGTH ((uint16_t)208)
+#define ARMBITREVINDEXTABLE_256_TABLE_LENGTH ((uint16_t)440)
+#define ARMBITREVINDEXTABLE_512_TABLE_LENGTH ((uint16_t)448)
+#define ARMBITREVINDEXTABLE_1024_TABLE_LENGTH ((uint16_t)1800)
+#define ARMBITREVINDEXTABLE_2048_TABLE_LENGTH ((uint16_t)3808)
+#define ARMBITREVINDEXTABLE_4096_TABLE_LENGTH ((uint16_t)4032)
+
+extern const uint16_t armBitRevIndexTable16[ARMBITREVINDEXTABLE_16_TABLE_LENGTH];
+extern const uint16_t armBitRevIndexTable32[ARMBITREVINDEXTABLE_32_TABLE_LENGTH];
+extern const uint16_t armBitRevIndexTable64[ARMBITREVINDEXTABLE_64_TABLE_LENGTH];
+extern const uint16_t armBitRevIndexTable128[ARMBITREVINDEXTABLE_128_TABLE_LENGTH];
+extern const uint16_t armBitRevIndexTable256[ARMBITREVINDEXTABLE_256_TABLE_LENGTH];
+extern const uint16_t armBitRevIndexTable512[ARMBITREVINDEXTABLE_512_TABLE_LENGTH];
+extern const uint16_t armBitRevIndexTable1024[ARMBITREVINDEXTABLE_1024_TABLE_LENGTH];
+extern const uint16_t armBitRevIndexTable2048[ARMBITREVINDEXTABLE_2048_TABLE_LENGTH];
+extern const uint16_t armBitRevIndexTable4096[ARMBITREVINDEXTABLE_4096_TABLE_LENGTH];
+
+/* fixed-point bit reversal tables */
+#define ARMBITREVINDEXTABLE_FIXED_16_TABLE_LENGTH ((uint16_t)12)
+#define ARMBITREVINDEXTABLE_FIXED_32_TABLE_LENGTH ((uint16_t)24)
+#define ARMBITREVINDEXTABLE_FIXED_64_TABLE_LENGTH ((uint16_t)56)
+#define ARMBITREVINDEXTABLE_FIXED_128_TABLE_LENGTH ((uint16_t)112)
+#define ARMBITREVINDEXTABLE_FIXED_256_TABLE_LENGTH ((uint16_t)240)
+#define ARMBITREVINDEXTABLE_FIXED_512_TABLE_LENGTH ((uint16_t)480)
+#define ARMBITREVINDEXTABLE_FIXED_1024_TABLE_LENGTH ((uint16_t)992)
+#define ARMBITREVINDEXTABLE_FIXED_2048_TABLE_LENGTH ((uint16_t)1984)
+#define ARMBITREVINDEXTABLE_FIXED_4096_TABLE_LENGTH ((uint16_t)4032)
+
+extern const uint16_t armBitRevIndexTable_fixed_16[ARMBITREVINDEXTABLE_FIXED_16_TABLE_LENGTH];
+extern const uint16_t armBitRevIndexTable_fixed_32[ARMBITREVINDEXTABLE_FIXED_32_TABLE_LENGTH];
+extern const uint16_t armBitRevIndexTable_fixed_64[ARMBITREVINDEXTABLE_FIXED_64_TABLE_LENGTH];
+extern const uint16_t armBitRevIndexTable_fixed_128[ARMBITREVINDEXTABLE_FIXED_128_TABLE_LENGTH];
+extern const uint16_t armBitRevIndexTable_fixed_256[ARMBITREVINDEXTABLE_FIXED_256_TABLE_LENGTH];
+extern const uint16_t armBitRevIndexTable_fixed_512[ARMBITREVINDEXTABLE_FIXED_512_TABLE_LENGTH];
+extern const uint16_t armBitRevIndexTable_fixed_1024[ARMBITREVINDEXTABLE_FIXED_1024_TABLE_LENGTH];
+extern const uint16_t armBitRevIndexTable_fixed_2048[ARMBITREVINDEXTABLE_FIXED_2048_TABLE_LENGTH];
+extern const uint16_t armBitRevIndexTable_fixed_4096[ARMBITREVINDEXTABLE_FIXED_4096_TABLE_LENGTH];
+
+/* Tables for Fast Math Sine and Cosine */
+extern const float32_t sinTable_f32[FAST_MATH_TABLE_SIZE + 1];
+extern const q31_t sinTable_q31[FAST_MATH_TABLE_SIZE + 1];
+extern const q15_t sinTable_q15[FAST_MATH_TABLE_SIZE + 1];
+
+#endif /*  ARM_COMMON_TABLES_H */

bsp/nuvoton/libraries/m2354/CMSIS/Include/arm_const_structs.h

+/* ----------------------------------------------------------------------
+ * Project:      CMSIS DSP Library
+ * Title:        arm_const_structs.h
+ * Description:  Constant structs that are initialized for user convenience.
+ *               For example, some can be given as arguments to the arm_cfft_f32() function.
+ *
+ * $Date:        27. January 2017
+ * $Revision:    V.1.5.1
+ *
+ * Target Processor: Cortex-M cores
+ * -------------------------------------------------------------------- */
+/*
+ * Copyright (C) 2010-2017 ARM Limited or its affiliates. All rights reserved.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed 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
+ *
+ * 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.
+ */
+
+#ifndef _ARM_CONST_STRUCTS_H
+#define _ARM_CONST_STRUCTS_H
+
+#include "arm_math.h"
+#include "arm_common_tables.h"
+
+   extern const arm_cfft_instance_f32 arm_cfft_sR_f32_len16;
+   extern const arm_cfft_instance_f32 arm_cfft_sR_f32_len32;
+   extern const arm_cfft_instance_f32 arm_cfft_sR_f32_len64;
+   extern const arm_cfft_instance_f32 arm_cfft_sR_f32_len128;
+   extern const arm_cfft_instance_f32 arm_cfft_sR_f32_len256;
+   extern const arm_cfft_instance_f32 arm_cfft_sR_f32_len512;
+   extern const arm_cfft_instance_f32 arm_cfft_sR_f32_len1024;
+   extern const arm_cfft_instance_f32 arm_cfft_sR_f32_len2048;
+   extern const arm_cfft_instance_f32 arm_cfft_sR_f32_len4096;
+
+   extern const arm_cfft_instance_q31 arm_cfft_sR_q31_len16;
+   extern const arm_cfft_instance_q31 arm_cfft_sR_q31_len32;
+   extern const arm_cfft_instance_q31 arm_cfft_sR_q31_len64;
+   extern const arm_cfft_instance_q31 arm_cfft_sR_q31_len128;
+   extern const arm_cfft_instance_q31 arm_cfft_sR_q31_len256;
+   extern const arm_cfft_instance_q31 arm_cfft_sR_q31_len512;
+   extern const arm_cfft_instance_q31 arm_cfft_sR_q31_len1024;
+   extern const arm_cfft_instance_q31 arm_cfft_sR_q31_len2048;
+   extern const arm_cfft_instance_q31 arm_cfft_sR_q31_len4096;
+
+   extern const arm_cfft_instance_q15 arm_cfft_sR_q15_len16;
+   extern const arm_cfft_instance_q15 arm_cfft_sR_q15_len32;
+   extern const arm_cfft_instance_q15 arm_cfft_sR_q15_len64;
+   extern const arm_cfft_instance_q15 arm_cfft_sR_q15_len128;
+   extern const arm_cfft_instance_q15 arm_cfft_sR_q15_len256;
+   extern const arm_cfft_instance_q15 arm_cfft_sR_q15_len512;
+   extern const arm_cfft_instance_q15 arm_cfft_sR_q15_len1024;
+   extern const arm_cfft_instance_q15 arm_cfft_sR_q15_len2048;
+   extern const arm_cfft_instance_q15 arm_cfft_sR_q15_len4096;
+
+#endif

bsp/nuvoton/libraries/m2354/CMSIS/Include/cmsis_compiler.h

+/**************************************************************************//**
+ * @file     cmsis_compiler.h
+ * @brief    CMSIS compiler generic header file
+ * @version  V5.0.2
+ * @date     13. February 2017
+ ******************************************************************************/
+/*
+ * Copyright (c) 2009-2017 ARM Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed 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
+ *
+ * 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.
+ */
+
+#ifndef __CMSIS_COMPILER_H
+#define __CMSIS_COMPILER_H
+
+#include <stdint.h>
+
+/*
+ * ARM Compiler 4/5
+ */
+#if   defined ( __CC_ARM )
+  #include "cmsis_armcc.h"
+
+
+/*
+ * ARM Compiler 6 (armclang)
+ */
+#elif defined (__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050)
+  #include "cmsis_armclang.h"
+
+
+/*
+ * GNU Compiler
+ */
+#elif defined ( __GNUC__ )
+  #include "cmsis_gcc.h"
+
+
+/*
+ * IAR Compiler
+ */
+#elif defined ( __ICCARM__ )
+
+
+  #ifndef   __ASM
+    #define __ASM                                  __asm
+  #endif
+  #ifndef   __INLINE
+    #define __INLINE                               inline
+  #endif
+  #ifndef   __STATIC_INLINE
+    #define __STATIC_INLINE                        static inline
+  #endif
+
+  #include <cmsis_iar.h>
+
+  /* CMSIS compiler control architecture macros */
+  #if (__CORE__ == __ARM6M__) || (__CORE__ == __ARM6SM__)
+    #ifndef __ARM_ARCH_6M__
+      #define __ARM_ARCH_6M__                      1
+    #endif
+  #elif (__CORE__ == __ARM7M__)
+    #ifndef __ARM_ARCH_7M__
+      #define __ARM_ARCH_7M__                      1
+    #endif
+  #elif (__CORE__ == __ARM7EM__)
+    #ifndef __ARM_ARCH_7EM__
+      #define __ARM_ARCH_7EM__                     1
+    #endif
+  #endif
+
+  #ifndef   __NO_RETURN
+    #define __NO_RETURN                            __noreturn
+  #endif
+  #ifndef   __USED
+    #define __USED                                 __root
+  #endif
+  #ifndef   __WEAK
+    #define __WEAK                                 __weak
+  #endif
+  #ifndef   __PACKED
+    #define __PACKED                               __packed
+  #endif
+  #ifndef   __PACKED_STRUCT
+    #define __PACKED_STRUCT                        __packed struct
+  #endif
+  #ifndef   __PACKED_UNION
+    #define __PACKED_UNION                         __packed union
+  #endif
+  #ifndef   __UNALIGNED_UINT32        /* deprecated */
+    __packed struct T_UINT32 { uint32_t v; };
+    #define __UNALIGNED_UINT32(x)                  (((struct T_UINT32 *)(x))->v)
+  #endif
+  #ifndef   __UNALIGNED_UINT16_WRITE
+    __PACKED_STRUCT T_UINT16_WRITE { uint16_t v; };
+    #define __UNALIGNED_UINT16_WRITE(addr, val)    (void)((((struct T_UINT16_WRITE *)(void *)(addr))->v) = (val))
+  #endif
+  #ifndef   __UNALIGNED_UINT16_READ
+    __PACKED_STRUCT T_UINT16_READ { uint16_t v; };
+    #define __UNALIGNED_UINT16_READ(addr)          (((const struct T_UINT16_READ *)(const void *)(addr))->v)
+  #endif
+  #ifndef   __UNALIGNED_UINT32_WRITE
+    __PACKED_STRUCT T_UINT32_WRITE { uint32_t v; };
+    #define __UNALIGNED_UINT32_WRITE(addr, val)    (void)((((struct T_UINT32_WRITE *)(void *)(addr))->v) = (val))
+  #endif
+  #ifndef   __UNALIGNED_UINT32_READ
+    __PACKED_STRUCT T_UINT32_READ { uint32_t v; };
+    #define __UNALIGNED_UINT32_READ(addr)          (((const struct T_UINT32_READ *)(const void *)(addr))->v)
+  #endif
+  #ifndef   __ALIGNED
+    //#warning No compiler specific solution for __ALIGNED. __ALIGNED is ignored.
+    #define __ALIGNED(x)
+  #endif
+  #ifndef   __RESTRICT
+    //#warning No compiler specific solution for __RESTRICT. __RESTRICT is ignored.
+    #define __RESTRICT
+  #endif
+
+  // Workaround for missing __CLZ intrinsic in
+  // various versions of the IAR compilers.
+  // __IAR_FEATURE_CLZ__ should be defined by
+  // the compiler that supports __CLZ internally.
+  #if (defined (__ARM_ARCH_6M__)) && (__ARM_ARCH_6M__ == 1) && (!defined (__IAR_FEATURE_CLZ__))
+    __STATIC_INLINE uint32_t __CLZ(uint32_t data)
+    {
+      if (data == 0u) { return 32u; }
+      
+      uint32_t count = 0;
+      uint32_t mask = 0x80000000;
+      
+      while ((data & mask) == 0)
+      {
+        count += 1u;
+        mask = mask >> 1u;
+      }
+      
+      return (count);
+    }
+  #endif
+
+
+/*
+ * TI ARM Compiler
+ */
+#elif defined ( __TI_ARM__ )
+  #include <cmsis_ccs.h>
+
+  #ifndef   __ASM
+    #define __ASM                                  __asm
+  #endif
+  #ifndef   __INLINE
+    #define __INLINE                               inline
+  #endif
+  #ifndef   __STATIC_INLINE
+    #define __STATIC_INLINE                        static inline
+  #endif
+  #ifndef   __NO_RETURN
+    #define __NO_RETURN                            __attribute__((noreturn))
+  #endif
+  #ifndef   __USED
+    #define __USED                                 __attribute__((used))
+  #endif
+  #ifndef   __WEAK
+    #define __WEAK                                 __attribute__((weak))
+  #endif
+  #ifndef   __PACKED
+    #define __PACKED                               __attribute__((packed))
+  #endif
+  #ifndef   __PACKED_STRUCT
+    #define __PACKED_STRUCT                        struct __attribute__((packed))
+  #endif
+  #ifndef   __PACKED_UNION
+    #define __PACKED_UNION                         union __attribute__((packed))
+  #endif
+  #ifndef   __UNALIGNED_UINT32        /* deprecated */
+    struct __attribute__((packed)) T_UINT32 { uint32_t v; };
+    #define __UNALIGNED_UINT32(x)                  (((struct T_UINT32 *)(x))->v)
+  #endif
+  #ifndef   __UNALIGNED_UINT16_WRITE
+    __PACKED_STRUCT T_UINT16_WRITE { uint16_t v; };
+    #define __UNALIGNED_UINT16_WRITE(addr, val)    (void)((((struct T_UINT16_WRITE *)(void*)(addr))->v) = (val))
+  #endif
+  #ifndef   __UNALIGNED_UINT16_READ
+    __PACKED_STRUCT T_UINT16_READ { uint16_t v; };
+    #define __UNALIGNED_UINT16_READ(addr)          (((const struct T_UINT16_READ *)(const void *)(addr))->v)
+  #endif
+  #ifndef   __UNALIGNED_UINT32_WRITE
+    __PACKED_STRUCT T_UINT32_WRITE { uint32_t v; };
+    #define __UNALIGNED_UINT32_WRITE(addr, val)    (void)((((struct T_UINT32_WRITE *)(void *)(addr))->v) = (val))
+  #endif
+  #ifndef   __UNALIGNED_UINT32_READ
+    __PACKED_STRUCT T_UINT32_READ { uint32_t v; };
+    #define __UNALIGNED_UINT32_READ(addr)          (((const struct T_UINT32_READ *)(const void *)(addr))->v)
+  #endif
+  #ifndef   __ALIGNED
+    #define __ALIGNED(x)                           __attribute__((aligned(x)))
+  #endif
+  #ifndef   __RESTRICT
+    #warning No compiler specific solution for __RESTRICT. __RESTRICT is ignored.
+    #define __RESTRICT
+  #endif
+
+
+/*
+ * TASKING Compiler
+ */
+#elif defined ( __TASKING__ )
+  /*
+   * The CMSIS functions have been implemented as intrinsics in the compiler.
+   * Please use "carm -?i" to get an up to date list of all intrinsics,
+   * Including the CMSIS ones.
+   */
+
+  #ifndef   __ASM
+    #define __ASM                                  __asm
+  #endif
+  #ifndef   __INLINE
+    #define __INLINE                               inline
+  #endif
+  #ifndef   __STATIC_INLINE
+    #define __STATIC_INLINE                        static inline
+  #endif
+  #ifndef   __NO_RETURN
+    #define __NO_RETURN                            __attribute__((noreturn))
+  #endif
+  #ifndef   __USED
+    #define __USED                                 __attribute__((used))
+  #endif
+  #ifndef   __WEAK
+    #define __WEAK                                 __attribute__((weak))
+  #endif
+  #ifndef   __PACKED
+    #define __PACKED                               __packed__
+  #endif
+  #ifndef   __PACKED_STRUCT
+    #define __PACKED_STRUCT                        struct __packed__
+  #endif
+  #ifndef   __PACKED_UNION
+    #define __PACKED_UNION                         union __packed__
+  #endif
+  #ifndef   __UNALIGNED_UINT32        /* deprecated */
+    struct __packed__ T_UINT32 { uint32_t v; };
+    #define __UNALIGNED_UINT32(x)                  (((struct T_UINT32 *)(x))->v)
+  #endif
+  #ifndef   __UNALIGNED_UINT16_WRITE
+    __PACKED_STRUCT T_UINT16_WRITE { uint16_t v; };
+    #define __UNALIGNED_UINT16_WRITE(addr, val)    (void)((((struct T_UINT16_WRITE *)(void *)(addr))->v) = (val))
+  #endif
+  #ifndef   __UNALIGNED_UINT16_READ
+    __PACKED_STRUCT T_UINT16_READ { uint16_t v; };
+    #define __UNALIGNED_UINT16_READ(addr)          (((const struct T_UINT16_READ *)(const void *)(addr))->v)
+  #endif
+  #ifndef   __UNALIGNED_UINT32_WRITE
+    __PACKED_STRUCT T_UINT32_WRITE { uint32_t v; };
+    #define __UNALIGNED_UINT32_WRITE(addr, val)    (void)((((struct T_UINT32_WRITE *)(void *)(addr))->v) = (val))
+  #endif
+  #ifndef   __UNALIGNED_UINT32_READ
+    __PACKED_STRUCT T_UINT32_READ { uint32_t v; };
+    #define __UNALIGNED_UINT32_READ(addr)          (((const struct T_UINT32_READ *)(const void *)(addr))->v)
+  #endif
+  #ifndef   __ALIGNED
+    #define __ALIGNED(x)              __align(x)
+  #endif
+  #ifndef   __RESTRICT
+    #warning No compiler specific solution for __RESTRICT. __RESTRICT is ignored.
+    #define __RESTRICT
+  #endif
+
+
+/*
+ * COSMIC Compiler
+ */
+#elif defined ( __CSMC__ )
+   #include <cmsis_csm.h>
+
+ #ifndef   __ASM
+    #define __ASM                                  _asm
+  #endif
+  #ifndef   __INLINE
+    #define __INLINE                               inline
+  #endif
+  #ifndef   __STATIC_INLINE
+    #define __STATIC_INLINE                        static inline
+  #endif
+  #ifndef   __NO_RETURN
+    // NO RETURN is automatically detected hence no warning here
+    #define __NO_RETURN
+  #endif
+  #ifndef   __USED
+    #warning No compiler specific solution for __USED. __USED is ignored.
+    #define __USED
+  #endif
+  #ifndef   __WEAK
+    #define __WEAK                                 __weak
+  #endif
+  #ifndef   __PACKED
+    #define __PACKED                               @packed
+  #endif
+  #ifndef   __PACKED_STRUCT
+    #define __PACKED_STRUCT                        @packed struct
+  #endif
+  #ifndef   __PACKED_UNION
+    #define __PACKED_UNION                         @packed union
+  #endif
+  #ifndef   __UNALIGNED_UINT32        /* deprecated */
+    @packed struct T_UINT32 { uint32_t v; };
+    #define __UNALIGNED_UINT32(x)                  (((struct T_UINT32 *)(x))->v)
+  #endif
+  #ifndef   __UNALIGNED_UINT16_WRITE
+    __PACKED_STRUCT T_UINT16_WRITE { uint16_t v; };
+    #define __UNALIGNED_UINT16_WRITE(addr, val)    (void)((((struct T_UINT16_WRITE *)(void *)(addr))->v) = (val))
+  #endif
+  #ifndef   __UNALIGNED_UINT16_READ
+    __PACKED_STRUCT T_UINT16_READ { uint16_t v; };
+    #define __UNALIGNED_UINT16_READ(addr)          (((const struct T_UINT16_READ *)(const void *)(addr))->v)
+  #endif
+  #ifndef   __UNALIGNED_UINT32_WRITE
+    __PACKED_STRUCT T_UINT32_WRITE { uint32_t v; };
+    #define __UNALIGNED_UINT32_WRITE(addr, val)    (void)((((struct T_UINT32_WRITE *)(void *)(addr))->v) = (val))
+  #endif
+  #ifndef   __UNALIGNED_UINT32_READ
+    __PACKED_STRUCT T_UINT32_READ { uint32_t v; };
+    #define __UNALIGNED_UINT32_READ(addr)          (((const struct T_UINT32_READ *)(const void *)(addr))->v)
+  #endif
+  #ifndef   __ALIGNED
+    #warning No compiler specific solution for __ALIGNED. __ALIGNED is ignored.
+    #define __ALIGNED(x)
+  #endif
+  #ifndef   __RESTRICT
+    #warning No compiler specific solution for __RESTRICT. __RESTRICT is ignored.
+    #define __RESTRICT
+  #endif
+
+
+#else
+  #error Unknown compiler.
+#endif
+
+
+#endif /* __CMSIS_COMPILER_H */
+

bsp/nuvoton/libraries/m2354/CMSIS/Include/cmsis_version.h

+/**************************************************************************//**
+ * @file     cmsis_version.h
+ * @brief    CMSIS Core(M) Version definitions
+ * @version  V5.0.2
+ * @date     19. April 2017
+ ******************************************************************************/
+/*
+ * Copyright (c) 2009-2017 ARM Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed 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
+ *
+ * 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.
+ */
+
+#if   defined ( __ICCARM__ )
+ #pragma system_include         /* treat file as system include file for MISRA check */
+#elif defined (__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050)
+  #pragma clang system_header   /* treat file as system include file */
+#endif
+
+#ifndef __CMSIS_VERSION_H
+#define __CMSIS_VERSION_H
+
+/*  CMSIS Version definitions */
+#define __CM_CMSIS_VERSION_MAIN  ( 5U)                                      /*!< [31:16] CMSIS Core(M) main version */
+#define __CM_CMSIS_VERSION_SUB   ( 0U)                                      /*!< [15:0]  CMSIS Core(M) sub version */
+#define __CM_CMSIS_VERSION       ((__CM_CMSIS_VERSION_MAIN << 16U) | \
+                                   __CM_CMSIS_VERSION_SUB           )       /*!< CMSIS Core(M) version number */
+#endif

bsp/nuvoton/libraries/m2354/CMSIS/Include/mpu_armv7.h

+/******************************************************************************
+ * @file     mpu_armv7.h
+ * @brief    CMSIS MPU API for ARMv7 MPU
+ * @version  V5.0.2
+ * @date     09. June 2017
+ ******************************************************************************/
+/*
+ * Copyright (c) 2017 ARM Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed 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
+ *
+ * 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.
+ */
+ 
+#ifndef ARM_MPU_ARMV7_H
+#define ARM_MPU_ARMV7_H
+
+#define ARM_MPU_REGION_SIZE_32B      ((uint8_t)0x04U)
+#define ARM_MPU_REGION_SIZE_64B      ((uint8_t)0x05U)
+#define ARM_MPU_REGION_SIZE_128B     ((uint8_t)0x06U)
+#define ARM_MPU_REGION_SIZE_256B     ((uint8_t)0x07U)
+#define ARM_MPU_REGION_SIZE_512B     ((uint8_t)0x08U)
+#define ARM_MPU_REGION_SIZE_1KB      ((uint8_t)0x09U)
+#define ARM_MPU_REGION_SIZE_2KB      ((uint8_t)0x0AU)
+#define ARM_MPU_REGION_SIZE_4KB      ((uint8_t)0x0BU)
+#define ARM_MPU_REGION_SIZE_8KB      ((uint8_t)0x0CU)
+#define ARM_MPU_REGION_SIZE_16KB     ((uint8_t)0x0DU)
+#define ARM_MPU_REGION_SIZE_32KB     ((uint8_t)0x0EU)
+#define ARM_MPU_REGION_SIZE_64KB     ((uint8_t)0x0FU)
+#define ARM_MPU_REGION_SIZE_128KB    ((uint8_t)0x10U)
+#define ARM_MPU_REGION_SIZE_256KB    ((uint8_t)0x11U)
+#define ARM_MPU_REGION_SIZE_512KB    ((uint8_t)0x12U)
+#define ARM_MPU_REGION_SIZE_1MB      ((uint8_t)0x13U)
+#define ARM_MPU_REGION_SIZE_2MB      ((uint8_t)0x14U)
+#define ARM_MPU_REGION_SIZE_4MB      ((uint8_t)0x15U)
+#define ARM_MPU_REGION_SIZE_8MB      ((uint8_t)0x16U)
+#define ARM_MPU_REGION_SIZE_16MB     ((uint8_t)0x17U)
+#define ARM_MPU_REGION_SIZE_32MB     ((uint8_t)0x18U)
+#define ARM_MPU_REGION_SIZE_64MB     ((uint8_t)0x19U)
+#define ARM_MPU_REGION_SIZE_128MB    ((uint8_t)0x1AU)
+#define ARM_MPU_REGION_SIZE_256MB    ((uint8_t)0x1BU)
+#define ARM_MPU_REGION_SIZE_512MB    ((uint8_t)0x1CU)
+#define ARM_MPU_REGION_SIZE_1GB      ((uint8_t)0x1DU)
+#define ARM_MPU_REGION_SIZE_2GB      ((uint8_t)0x1EU)
+#define ARM_MPU_REGION_SIZE_4GB      ((uint8_t)0x1FU)
+
+#define ARM_MPU_AP_NONE 0u 
+#define ARM_MPU_AP_PRIV 1u
+#define ARM_MPU_AP_URO  2u
+#define ARM_MPU_AP_FULL 3u
+#define ARM_MPU_AP_PRO  5u
+#define ARM_MPU_AP_RO   6u
+
+/** MPU Region Base Address Register Value
+*
+* \param Region The region to be configured, number 0 to 15.
+* \param BaseAddress The base address for the region.
+*/
+#define ARM_MPU_RBAR(Region, BaseAddress) ((BaseAddress & MPU_RBAR_ADDR_Msk) | (Region & MPU_RBAR_REGION_Msk) | (1UL << MPU_RBAR_VALID_Pos))
+
+/**
+* MPU Region Attribut and Size Register Value
+* 
+* \param DisableExec       Instruction access disable bit, 1= disable instruction fetches.
+* \param AccessPermission  Data access permissions, allows you to configure read/write access for User and Privileged mode.
+* \param TypeExtField      Type extension field, allows you to configure memory access type, for example strongly ordered, peripheral.
+* \param IsShareable       Region is shareable between multiple bus masters.
+* \param IsCacheable       Region is cacheable, i.e. its value may be kept in cache.
+* \param IsBufferable      Region is bufferable, i.e. using write-back caching. Cacheable but non-bufferable regions use write-through policy.
+* \param SubRegionDisable  Sub-region disable field.
+* \param Size              Region size of the region to be configured, for example 4K, 8K.
+*/                         
+#define ARM_MPU_RASR(DisableExec, AccessPermission, TypeExtField, IsShareable, IsCacheable, IsBufferable, SubRegionDisable, Size) \
+  ((DisableExec      << MPU_RASR_XN_Pos)     & MPU_RASR_XN_Msk)     | \
+  ((AccessPermission << MPU_RASR_AP_Pos)     & MPU_RASR_AP_Msk)     | \
+  ((TypeExtField     << MPU_RASR_TEX_Pos)    & MPU_RASR_TEX_Msk)    | \
+  ((IsShareable      << MPU_RASR_S_Pos)      & MPU_RASR_S_Msk)      | \
+  ((IsCacheable      << MPU_RASR_C_Pos)      & MPU_RASR_C_Msk)      | \
+  ((IsBufferable     << MPU_RASR_B_Pos)      & MPU_RASR_B_Msk)      | \
+  ((SubRegionDisable << MPU_RASR_SRD_Pos)    & MPU_RASR_SRD_Msk)    | \
+  ((Size             << MPU_RASR_SIZE_Pos)   & MPU_RASR_SIZE_Msk)   | \
+  ((1UL              << MPU_RASR_ENABLE_Pos) & MPU_RASR_ENABLE_Msk)
+
+
+/**
+* Struct for a single MPU Region
+*/
+typedef struct _ARM_MPU_Region_t {
+  uint32_t RBAR; //!< The region base address register value (RBAR)
+  uint32_t RASR; //!< The region attribute and size register value (RASR) \ref MPU_RASR
+} ARM_MPU_Region_t;
+    
+/** Enable the MPU.
+* \param MPU_Control Default access permissions for unconfigured regions.
+*/
+__STATIC_INLINE void ARM_MPU_Enable(uint32_t MPU_Control)
+{
+  __DSB();
+  __ISB();
+  MPU->CTRL = MPU_Control | MPU_CTRL_ENABLE_Msk;
+#ifdef SCB_SHCSR_MEMFAULTENA_Msk
+  SCB->SHCSR |= SCB_SHCSR_MEMFAULTENA_Msk;
+#endif
+}
+
+/** Disable the MPU.
+*/
+__STATIC_INLINE void ARM_MPU_Disable()
+{
+  __DSB();
+  __ISB();
+#ifdef SCB_SHCSR_MEMFAULTENA_Msk
+  SCB->SHCSR &= ~SCB_SHCSR_MEMFAULTENA_Msk;
+#endif
+  MPU->CTRL  &= ~MPU_CTRL_ENABLE_Msk;
+}
+
+/** Clear and disable the given MPU region.
+* \param rnr Region number to be cleared.
+*/
+__STATIC_INLINE void ARM_MPU_ClrRegion(uint32_t rnr)
+{
+  MPU->RNR = rnr;
+  MPU->RASR = 0u;
+}
+
+/** Configure an MPU region.
+* \param rbar Value for RBAR register.
+* \param rsar Value for RSAR register.
+*/   
+__STATIC_INLINE void ARM_MPU_SetRegion(uint32_t rbar, uint32_t rasr)
+{
+  MPU->RBAR = rbar;
+  MPU->RASR = rasr;
+}
+
+/** Configure the given MPU region.
+* \param rnr Region number to be configured.
+* \param rbar Value for RBAR register.
+* \param rsar Value for RSAR register.
+*/   
+__STATIC_INLINE void ARM_MPU_SetRegionEx(uint32_t rnr, uint32_t rbar, uint32_t rasr)
+{
+  MPU->RNR = rnr;
+  MPU->RBAR = rbar;
+  MPU->RASR = rasr;
+}
+
+/** Memcopy with strictly ordered memory access, e.g. for register targets.
+* \param dst Destination data is copied to.
+* \param src Source data is copied from.
+* \param len Amount of data words to be copied.
+*/
+__STATIC_INLINE void orderedCpy(volatile uint32_t* dst, const uint32_t* __RESTRICT src, uint32_t len)
+{
+  uint32_t i;
+  for (i = 0u; i < len; ++i) 
+  {
+    dst[i] = src[i];
+  }
+}
+
+/** Load the given number of MPU regions from a table.
+* \param table Pointer to the MPU configuration table.
+* \param cnt Amount of regions to be configured.
+*/
+__STATIC_INLINE void ARM_MPU_Load(ARM_MPU_Region_t const* table, uint32_t cnt) 
+{
+  orderedCpy(&(MPU->RBAR), &(table->RBAR), cnt*sizeof(ARM_MPU_Region_t)/4u);
+}
+
+#endif

bsp/nuvoton/libraries/m2354/CMSIS/Include/tz_context.h

+/*
+ * Copyright (c) 2015-2016 ARM Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed 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
+ *
+ * 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.
+ *
+ * ----------------------------------------------------------------------------
+ *
+ * $Date:        21. September 2016
+ * $Revision:    V1.0
+ *
+ * Project:      TrustZone for ARMv8-M
+ * Title:        Context Management for ARMv8-M TrustZone
+ *
+ * Version 1.0
+ *    Initial Release
+ *---------------------------------------------------------------------------*/
+  
+#ifndef TZ_CONTEXT_H
+#define TZ_CONTEXT_H
+ 
+#include <stdint.h>
+ 
+#ifndef TZ_MODULEID_T
+#define TZ_MODULEID_T
+/// \details Data type that identifies secure software modules called by a process.
+typedef uint32_t TZ_ModuleId_t;
+#endif
+ 
+/// \details TZ Memory ID identifies an allocated memory slot.
+typedef uint32_t TZ_MemoryId_t;
+  
+/// Initialize secure context memory system
+/// \return execution status (1: success, 0: error)
+uint32_t TZ_InitContextSystem_S (void);
+ 
+/// Allocate context memory for calling secure software modules in TrustZone
+/// \param[in]  module   identifies software modules called from non-secure mode
+/// \return value != 0 id TrustZone memory slot identifier
+/// \return value 0    no memory available or internal error
+TZ_MemoryId_t TZ_AllocModuleContext_S (TZ_ModuleId_t module);
+ 
+/// Free context memory that was previously allocated with \ref TZ_AllocModuleContext_S
+/// \param[in]  id  TrustZone memory slot identifier
+/// \return execution status (1: success, 0: error)
+uint32_t TZ_FreeModuleContext_S (TZ_MemoryId_t id);
+ 
+/// Load secure context (called on RTOS thread context switch)
+/// \param[in]  id  TrustZone memory slot identifier
+/// \return execution status (1: success, 0: error)
+uint32_t TZ_LoadContext_S (TZ_MemoryId_t id);
+ 
+/// Store secure context (called on RTOS thread context switch)
+/// \param[in]  id  TrustZone memory slot identifier
+/// \return execution status (1: success, 0: error)
+uint32_t TZ_StoreContext_S (TZ_MemoryId_t id);
+ 
+#endif  // TZ_CONTEXT_H

bsp/nuvoton/libraries/m2354/CMSIS/SConscript

+import rtconfig
+Import('RTT_ROOT')
+from building import *
+
+# get current directory
+cwd = GetCurrentDir()
+
+# The set of source files associated with this SConscript file.
+src = Split("""
+""")
+
+path = [cwd + '/Include',]
+
+group = DefineGroup('CMSIS', src, depend = [''], CPPPATH = path)
+
+Return('group')

bsp/nuvoton/libraries/m2354/Device/Nuvoton/M2354/Include/NuMicro.h

+/**************************************************************************//**
+ * @file     NuMicro.h
+ * @version  V1.00
+ * @brief    NuMicro peripheral access layer header file.
+ *
+ * @copyright SPDX-License-Identifier: Apache-2.0
+ * @copyright Copyright (C) 2020 Nuvoton Technology Corp. All rights reserved.
+ *****************************************************************************/
+#ifndef __NUMICRO_H__
+#define __NUMICRO_H__
+
+#include "M2354.h"
+
+#endif  /* __NUMICRO_H__ */
+
+

bsp/nuvoton/libraries/m2354/Device/Nuvoton/M2354/Include/acmp_reg.h

+/**************************************************************************//**
+ * @file     acmp_reg.h
+ * @version  V1.00
+ * @brief    ACMP register definition header file
+ *
+ * @copyright SPDX-License-Identifier: Apache-2.0
+ * @copyright Copyright (C) 2020 Nuvoton Technology Corp. All rights reserved.
+ *****************************************************************************/
+#ifndef __ACMP_REG_H__
+#define __ACMP_REG_H__
+
+/** @addtogroup REGISTER Control Register
+
+  @{
+
+*/
+
+
+/*---------------------- Analog Comparator Controller -------------------------*/
+/**
+    @addtogroup ACMP Analog Comparator Controller(ACMP)
+    Memory Mapped Structure for ACMP Controller
+  @{
+*/
+
+typedef struct
+{
+
+
+    /**
+     * @var ACMP_T::CTL
+     * Offset: 0x00  Analog Comparator 0 Control Register
+     * ---------------------------------------------------------------------------------------------------
+     * |Bits    |Field     |Descriptions
+     * | :----: | :----:   | :---- |
+     * |[0]     |ACMPEN    |Comparator Enable Bit
+     * |        |          |0 = Comparator 0 Disabled.
+     * |        |          |1 = Comparator 0 Enabled.
+     * |[1]     |ACMPIE    |Comparator Interrupt Enable Bit
+     * |        |          |0 = Comparator 0 interrupt Disabled.
+     * |        |          |1 = Comparator 0 interrupt Enabled.
+     * |        |          |If WKEN (ACMP_CTL0[16]) is set to 1, the wake-up interrupt function will be enabled as well.
+     * |[2]     |HYSEN     |Comparator Hysteresis Enable Bit
+     * |        |          |0 = Comparator 0 hysteresis Disabled.
+     * |        |          |1 = Comparator 0 hysteresis Enabled.
+     * |        |          |Note: If HYSEN = 0, user can adjust HYS by HYSSEL.
+     * |        |          |Note: If HYSEN = 1, HYSSEL is invalid. The Hysteresis is fixed to 30mV.
+     * |[3]     |ACMPOINV  |Comparator Output Inverse
+     * |        |          |0 = Comparator 0 output inverse Disabled.
+     * |        |          |1 = Comparator 0 output inverse Enabled.
+     * |[5:4]   |NEGSEL    |Comparator Negative Input Selection
+     * |        |          |00 = ACMP0_N pin.
+     * |        |          |01 = Internal comparator reference voltage (CRV).
+     * |        |          |10 = Band-gap voltage.
+     * |        |          |11 = DAC output.
+     * |[7:6]   |POSSEL    |Comparator Positive Input Selection
+     * |        |          |00 = Input from ACMP0_P0.
+     * |        |          |01 = Input from ACMP0_P1.
+     * |        |          |10 = Input from ACMP0_P2.
+     * |        |          |11 = Input from ACMP0_P3.
+     * |[9:8]   |INTPOL    |Interrupt Condition Polarity Selection
+     * |        |          |ACMPIF0 will be set to 1 when comparator output edge condition is detected.
+     * |        |          |00 = Rising edge or falling edge.
+     * |        |          |01 = Rising edge.
+     * |        |          |10 = Falling edge.
+     * |        |          |11 = Reserved.
+     * |[12]    |OUTSEL    |Comparator Output Select
+     * |        |          |0 = Comparator 0 output to ACMP0_O pin is unfiltered comparator output.
+     * |        |          |1 = Comparator 0 output to ACMP0_O pin is from filter output.
+     * |[15:13] |FILTSEL   |Comparator Output Filter Count Selection
+     * |        |          |000 = Filter function is Disabled.
+     * |        |          |001 = ACMP0 output is sampled 1 consecutive PCLK.
+     * |        |          |010 = ACMP0 output is sampled 2 consecutive PCLKs.
+     * |        |          |011 = ACMP0 output is sampled 4 consecutive PCLKs.
+     * |        |          |100 = ACMP0 output is sampled 8 consecutive PCLKs.
+     * |        |          |101 = ACMP0 output is sampled 16 consecutive PCLKs.
+     * |        |          |110 = ACMP0 output is sampled 32 consecutive PCLKs.
+     * |        |          |111 = ACMP0 output is sampled 64 consecutive PCLKs.
+     * |[16]    |WKEN      |Power-down Wake-up Enable Bit
+     * |        |          |0 = Wake-up function Disabled.
+     * |        |          |1 = Wake-up function Enabled.
+     * |[17]    |WLATEN    |Window Latch Mode Enable Bit
+     * |        |          |0 = Window Latch Mode Disabled.
+     * |        |          |1 = Window Latch Mode Enabled.
+     * |[18]    |WCMPSEL   |Window Compare Mode Selection
+     * |        |          |0 = Window Compare Mode Disabled.
+     * |        |          |1 = Window Compare Mode is Selected.
+     * |[25:24] |HYSSEL    |Hysteresis Mode Selection
+     * |        |          |00 = Hysteresis is 0mV.
+     * |        |          |01 = Hysteresis is 10mV.
+     * |        |          |10 = Hysteresis is 20mV.
+     * |        |          |11 = Hysteresis is 30mV.
+     * |[29:28] |MODESEL   |Propagation Delay Mode Selection
+     * |        |          |00 = Max propagation delay is 4.5uS, operation current is 1.2uA.
+     * |        |          |01 = Max propagation delay is 2uS, operation current is 3uA.
+     * |        |          |10 = Max propagation delay is 600nS, operation current is 10uA.
+     * |        |          |11 = Max propagation delay is 200nS, operation current is 75uA.
+     * @var ACMP_T::STATUS
+     * Offset: 0x08  Analog Comparator Status Register
+     * ---------------------------------------------------------------------------------------------------
+     * |Bits    |Field     |Descriptions
+     * | :----: | :----:   | :---- |
+     * |[0]     |ACMPIF0   |Comparator 0 Interrupt Flag
+     * |        |          |This bit is set by hardware when the edge condition defined by INTPOL (ACMP_CTL0[9:8]) is detected on comparator 0 output
+     * |        |          |This will generate an interrupt if ACMPIE (ACMP_CTL0[1]) is set to 1.
+     * |        |          |Note: Write 1 to clear this bit to 0.
+     * |[1]     |ACMPIF1   |Comparator 1 Interrupt Flag
+     * |        |          |This bit is set by hardware when the edge condition defined by INTPOL (ACMP_CTL1[9:8]) is detected on comparator 1 output
+     * |        |          |This will cause an interrupt if ACMPIE (ACMP_CTL1[1]) is set to 1.
+     * |        |          |Note: Write 1 to clear this bit to 0.
+     * |[4]     |ACMPO0    |Comparator 0 Output
+     * |        |          |Synchronized to the PCLK to allow reading by software
+     * |        |          |Cleared when the comparator 0 is disabled, i.e
+     * |        |          |ACMPEN (ACMP_CTL0[0]) is cleared to 0.
+     * |[5]     |ACMPO1    |Comparator 1 Output
+     * |        |          |Synchronized to the PCLK to allow reading by software
+     * |        |          |Cleared when the comparator 1 is disabled, i.e
+     * |        |          |ACMPEN (ACMP_CTL1[0]) is cleared to 0.
+     * |[8]     |WKIF0     |Comparator 0 Power-down Wake-up Interrupt Flag
+     * |        |          |This bit will be set to 1 when ACMP0 wake-up interrupt event occurs.
+     * |        |          |0 = No power-down wake-up occurred.
+     * |        |          |1 = Power-down wake-up occurred.
+     * |        |          |Note: Write 1 to clear this bit to 0.
+     * |[9]     |WKIF1     |Comparator 1 Power-down Wake-up Interrupt Flag
+     * |        |          |This bit will be set to 1 when ACMP1 wake-up interrupt event occurs.
+     * |        |          |0 = No power-down wake-up occurred.
+     * |        |          |1 = Power-down wake-up occurred.
+     * |        |          |Note: Write 1 to clear this bit to 0.
+     * |[12]    |ACMPS0    |Comparator 0 Status
+     * |        |          |Synchronized to the PCLK to allow reading by software
+     * |        |          |Cleared when the comparator 0 is disabled, i.e
+     * |        |          |ACMPEN (ACMP_CTL0[0]) is cleared to 0.
+     * |[13]    |ACMPS1    |Comparator 1 Status
+     * |        |          |Synchronized to the PCLK to allow reading by software
+     * |        |          |Cleared when the comparator 1 is disabled, i.e
+     * |        |          |ACMPEN (ACMP_CTL1[0]) is cleared to 0.
+     * |[16]    |ACMPWO    |Comparator Window Output
+     * |        |          |This bit shows the output status of window compare mode
+     * |        |          |0 = The positive input voltage is outside the window.
+     * |        |          |1 = The positive input voltage is in the window.
+     * @var ACMP_T::VREF
+     * Offset: 0x0C  Analog Comparator Reference Voltage Control Register
+     * ---------------------------------------------------------------------------------------------------
+     * |Bits    |Field     |Descriptions
+     * | :----: | :----:   | :---- |
+     * |[3:0]   |CRVCTL    |Comparator Reference Voltage Setting
+     * |        |          |CRV = CRV source voltage * (1/6+CRVCTL/24).
+     * |[6]     |CRVSSEL   |CRV Source Voltage Selection
+     * |        |          |0 = VDDA is selected as CRV source voltage.
+     * |        |          |1 = The reference voltage defined by SYS_VREFCTL register is selected as CRV source voltage.
+     */
+
+    __IO uint32_t CTL[2];                /*!< [0x0000~0x0004] Analog Comparator 0~1 Control Register                    */
+    __IO uint32_t STATUS;                /*!< [0x0008] Analog Comparator Status Register                                */
+    __IO uint32_t VREF;                  /*!< [0x000c] Analog Comparator Reference Voltage Control Register             */
+
+} ACMP_T;
+
+/**
+    @addtogroup ACMP_CONST ACMP Bit Field Definition
+    Constant Definitions for ACMP Controller
+  @{
+*/
+
+#define ACMP_CTL_ACMPEN_Pos             (0)                                               /*!< ACMP_T::CTL: ACMPEN Position          */
+#define ACMP_CTL_ACMPEN_Msk             (0x1ul << ACMP_CTL_ACMPEN_Pos)                    /*!< ACMP_T::CTL: ACMPEN Mask              */
+
+#define ACMP_CTL_ACMPIE_Pos             (1)                                               /*!< ACMP_T::CTL: ACMPIE Position          */
+#define ACMP_CTL_ACMPIE_Msk             (0x1ul << ACMP_CTL_ACMPIE_Pos)                    /*!< ACMP_T::CTL: ACMPIE Mask              */
+
+#define ACMP_CTL_HYSEN_Pos              (2)                                               /*!< ACMP_T::CTL: HYSEN Position           */
+#define ACMP_CTL_HYSEN_Msk              (0x1ul << ACMP_CTL_HYSEN_Pos)                     /*!< ACMP_T::CTL: HYSEN Mask               */
+
+#define ACMP_CTL_ACMPOINV_Pos           (3)                                               /*!< ACMP_T::CTL: ACMPOINV Position        */
+#define ACMP_CTL_ACMPOINV_Msk           (0x1ul << ACMP_CTL_ACMPOINV_Pos)                  /*!< ACMP_T::CTL: ACMPOINV Mask            */
+
+#define ACMP_CTL_NEGSEL_Pos             (4)                                               /*!< ACMP_T::CTL: NEGSEL Position          */
+#define ACMP_CTL_NEGSEL_Msk             (0x3ul << ACMP_CTL_NEGSEL_Pos)                    /*!< ACMP_T::CTL: NEGSEL Mask              */
+
+#define ACMP_CTL_POSSEL_Pos             (6)                                               /*!< ACMP_T::CTL: POSSEL Position          */
+#define ACMP_CTL_POSSEL_Msk             (0x3ul << ACMP_CTL_POSSEL_Pos)                    /*!< ACMP_T::CTL: POSSEL Mask              */
+
+#define ACMP_CTL_INTPOL_Pos             (8)                                               /*!< ACMP_T::CTL: INTPOL Position          */
+#define ACMP_CTL_INTPOL_Msk             (0x3ul << ACMP_CTL_INTPOL_Pos)                    /*!< ACMP_T::CTL: INTPOL Mask              */
+
+#define ACMP_CTL_OUTSEL_Pos             (12)                                              /*!< ACMP_T::CTL: OUTSEL Position          */
+#define ACMP_CTL_OUTSEL_Msk             (0x1ul << ACMP_CTL_OUTSEL_Pos)                    /*!< ACMP_T::CTL: OUTSEL Mask              */
+
+#define ACMP_CTL_FILTSEL_Pos            (13)                                              /*!< ACMP_T::CTL: FILTSEL Position         */
+#define ACMP_CTL_FILTSEL_Msk            (0x7ul << ACMP_CTL_FILTSEL_Pos)                   /*!< ACMP_T::CTL: FILTSEL Mask             */
+
+#define ACMP_CTL_WKEN_Pos               (16)                                              /*!< ACMP_T::CTL: WKEN Position            */
+#define ACMP_CTL_WKEN_Msk               (0x1ul << ACMP_CTL_WKEN_Pos)                      /*!< ACMP_T::CTL: WKEN Mask                */
+
+#define ACMP_CTL_WLATEN_Pos             (17)                                              /*!< ACMP_T::CTL: WLATEN Position          */
+#define ACMP_CTL_WLATEN_Msk             (0x1ul << ACMP_CTL_WLATEN_Pos)                    /*!< ACMP_T::CTL: WLATEN Mask              */
+
+#define ACMP_CTL_WCMPSEL_Pos            (18)                                              /*!< ACMP_T::CTL: WCMPSEL Position         */
+#define ACMP_CTL_WCMPSEL_Msk            (0x1ul << ACMP_CTL_WCMPSEL_Pos)                   /*!< ACMP_T::CTL: WCMPSEL Mask             */
+
+#define ACMP_CTL_HYSSEL_Pos             (24)                                              /*!< ACMP_T::CTL: HYSSEL Position          */
+#define ACMP_CTL_HYSSEL_Msk             (0x3ul << ACMP_CTL_HYSSEL_Pos)                    /*!< ACMP_T::CTL: HYSSEL Mask              */
+
+#define ACMP_CTL_MODESEL_Pos            (28)                                              /*!< ACMP_T::CTL: MODESEL Position         */
+#define ACMP_CTL_MODESEL_Msk            (0x3ul << ACMP_CTL_MODESEL_Pos)                   /*!< ACMP_T::CTL: MODESEL Mask             */
+
+#define ACMP_STATUS_ACMPIF0_Pos          (0)                                               /*!< ACMP_T::STATUS: ACMPIF0 Position       */
+#define ACMP_STATUS_ACMPIF0_Msk          (0x1ul << ACMP_STATUS_ACMPIF0_Pos)                /*!< ACMP_T::STATUS: ACMPIF0 Mask           */
+
+#define ACMP_STATUS_ACMPIF1_Pos          (1)                                               /*!< ACMP_T::STATUS: ACMPIF1 Position       */
+#define ACMP_STATUS_ACMPIF1_Msk          (0x1ul << ACMP_STATUS_ACMPIF1_Pos)                /*!< ACMP_T::STATUS: ACMPIF1 Mask           */
+
+#define ACMP_STATUS_ACMPO0_Pos           (4)                                               /*!< ACMP_T::STATUS: ACMPO0 Position        */
+#define ACMP_STATUS_ACMPO0_Msk           (0x1ul << ACMP_STATUS_ACMPO0_Pos)                 /*!< ACMP_T::STATUS: ACMPO0 Mask            */
+
+#define ACMP_STATUS_ACMPO1_Pos           (5)                                               /*!< ACMP_T::STATUS: ACMPO1 Position        */
+#define ACMP_STATUS_ACMPO1_Msk           (0x1ul << ACMP_STATUS_ACMPO1_Pos)                 /*!< ACMP_T::STATUS: ACMPO1 Mask            */
+
+#define ACMP_STATUS_WKIF0_Pos            (8)                                               /*!< ACMP_T::STATUS: WKIF0 Position         */
+#define ACMP_STATUS_WKIF0_Msk            (0x1ul << ACMP_STATUS_WKIF0_Pos)                  /*!< ACMP_T::STATUS: WKIF0 Mask             */
+
+#define ACMP_STATUS_WKIF1_Pos            (9)                                               /*!< ACMP_T::STATUS: WKIF1 Position         */
+#define ACMP_STATUS_WKIF1_Msk            (0x1ul << ACMP_STATUS_WKIF1_Pos)                  /*!< ACMP_T::STATUS: WKIF1 Mask             */
+
+#define ACMP_STATUS_ACMPS0_Pos           (12)                                              /*!< ACMP_T::STATUS: ACMPS0 Position        */
+#define ACMP_STATUS_ACMPS0_Msk           (0x1ul << ACMP_STATUS_ACMPS0_Pos)                 /*!< ACMP_T::STATUS: ACMPS0 Mask            */
+
+#define ACMP_STATUS_ACMPS1_Pos           (13)                                              /*!< ACMP_T::STATUS: ACMPS1 Position        */
+#define ACMP_STATUS_ACMPS1_Msk           (0x1ul << ACMP_STATUS_ACMPS1_Pos)                 /*!< ACMP_T::STATUS: ACMPS1 Mask            */
+
+#define ACMP_STATUS_ACMPWO_Pos           (16)                                              /*!< ACMP_T::STATUS: ACMPWO Position        */
+#define ACMP_STATUS_ACMPWO_Msk           (0x1ul << ACMP_STATUS_ACMPWO_Pos)                 /*!< ACMP_T::STATUS: ACMPWO Mask            */
+
+#define ACMP_VREF_CRVCTL_Pos             (0)                                               /*!< ACMP_T::VREF: CRVCTL Position          */
+#define ACMP_VREF_CRVCTL_Msk             (0xful << ACMP_VREF_CRVCTL_Pos)                   /*!< ACMP_T::VREF: CRVCTL Mask              */
+
+#define ACMP_VREF_CRVSSEL_Pos            (6)                                               /*!< ACMP_T::VREF: CRVSSEL Position         */
+#define ACMP_VREF_CRVSSEL_Msk            (0x1ul << ACMP_VREF_CRVSSEL_Pos)                  /*!< ACMP_T::VREF: CRVSSEL Mask             */
+
+/**@}*/ /* ACMP_CONST */
+/**@}*/ /* end of ACMP register group */
+/**@}*/ /* end of REGISTER group */
+
+#endif /* __ACMP_REG_H__ */

bsp/nuvoton/libraries/m2354/Device/SConscript

+import rtconfig
+Import('RTT_ROOT')
+from building import *
+
+# get current directory
+cwd = GetCurrentDir()
+
+# The set of source files associated with this SConscript file.
+src = Split("""
+Nuvoton/M2354/Source/system_M2354.c
+""")
+
+# add for startup script 
+if rtconfig.CROSS_TOOL == 'gcc':
+    src = src + ['Nuvoton/M2354/Source/GCC/startup_M2354.S']
+elif rtconfig.CROSS_TOOL == 'keil':
+    src = src + ['Nuvoton/M2354/Source/ARM/startup_M2354.s']
+elif rtconfig.CROSS_TOOL == 'iar':
+    src = src + ['Nuvoton/M2354/Source/IAR/startup_M2354.s']
+
+path = [cwd + '/Nuvoton/M2354/Include',]
+
+group = DefineGroup('Drivers', src, depend = [''], CPPPATH = path)
+
+Return('group')

bsp/nuvoton/libraries/m2354/SConscript

+# RT-Thread building script for bridge
+
+import os
+from building import *
+
+cwd = GetCurrentDir()
+objs = []
+list = os.listdir(cwd)
+
+for d in list:
+    path = os.path.join(cwd, d)
+    if os.path.isfile(os.path.join(path, 'SConscript')):
+        objs = objs + SConscript(os.path.join(d, 'SConscript'))
+
+Return('objs')