MLECO-2682: CMake and source refactoring.

MLECO-2930: logging macros were extracted from hal.h and used separately around the code.

MLECO-2931: arm_math lib introduced, cmsis-dsp removed from top level linkage.

MLECO-2915: platform related post-build steps.

Change-Id: Id718884e22f262a5c070ded3f3f5d4b048820147
Signed-off-by: alexander <alexander.efremov@arm.com>

19 files changed, 1738 insertions, 0 deletions

diff --git a/source/hal/profiles/bare-metal/bsp/include/bsp.h b/source/hal/profiles/bare-metal/bsp/include/bsp.h
new file mode 100644
index 0000000..e6dd0b5
--- /dev/null
+++ b/source/hal/profiles/bare-metal/bsp/include/bsp.h
@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2021 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
+ *
+ *     http://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 BSP_H
+#define BSP_H
+
+#include "platform_drivers.h"
+
+#if defined(ARM_NPU)
+#include "ethosu_mem_config.h"
+#endif /* defined(ARM_NPU) */
+
+#endif /* BSP_H */
diff --git a/source/hal/profiles/bare-metal/bsp/include/ethosu_mem_config.h b/source/hal/profiles/bare-metal/bsp/include/ethosu_mem_config.h
new file mode 100644
index 0000000..b393a03
--- /dev/null
+++ b/source/hal/profiles/bare-metal/bsp/include/ethosu_mem_config.h
@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2021 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
+ *
+ *     http://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 ETHOS_U_NPU_MEM_CONFIG_H
+#define ETHOS_U_NPU_MEM_CONFIG_H
+
+#define ETHOS_U_NPU_MEMORY_MODE_SRAM_ONLY           0
+#define ETHOS_U_NPU_MEMORY_MODE_SHARED_SRAM         1
+#define ETHOS_U_NPU_MEMORY_MODE_DEDICATED_SRAM      2
+
+#define ETHOS_U_MEM_BYTE_ALIGNMENT                  16
+
+#ifndef ETHOS_U_NPU_MEMORY_MODE
+    #define ETHOS_U_NPU_MEMORY_MODE                 ETHOS_U_MEMORY_MODE_SHARED_SRAM
+#endif /* ETHOS_U_NPU_MEMORY_MODE */
+
+#if (ETHOS_U_NPU_MEMORY_MODE==ETHOS_U_NPU_MEMORY_MODE_DEDICATED_SRAM)
+    #define ETHOS_U_CACHE_BUF_SZ    (393216U)    /* See vela doc? for reference? */
+#else
+    #define ETHOS_U_CACHE_BUF_SZ    (0U)
+#endif /* CACHE_BUF_SZ */
+
+/**
+ * Activation buffer aka tensor arena section name
+ * We have to place the tensor arena in different region based on the memory config.
+ **/
+#if (ETHOS_U_NPU_MEMORY_MODE==ETHOS_U_NPU_MEMORY_MODE_SHARED_SRAM)
+    #define ACTIVATION_BUF_SECTION      section(".bss.NoInit.activation_buf_sram")
+    #define ACTIVATION_BUF_SECTION_NAME ("SRAM")
+#elif (ETHOS_U_NPU_MEMORY_MODE==ETHOS_U_NPU_MEMORY_MODE_SRAM_ONLY)
+    #define ACTIVATION_BUF_SECTION      section(".bss.NoInit.activation_buf_sram")
+    #define ACTIVATION_BUF_SECTION_NAME ("SRAM")
+#elif (ETHOS_U_NPU_MEMORY_MODE==ETHOS_U_NPU_MEMORY_MODE_DEDICATED_SRAM)
+    #define ACTIVATION_BUF_SECTION      section("activation_buf_dram")
+    #define CACHE_BUF_SECTION           section(".bss.NoInit.ethos_u_cache")
+    #define ACTIVATION_BUF_SECTION_NAME ("DDR/DRAM")
+    #define CACHE_BUF_ATTRIBUTE         __attribute__((aligned(ETHOS_U_MEM_BYTE_ALIGNMENT), CACHE_BUF_SECTION))
+#endif
+
+#endif /* ETHOS_U_NPU_MEM_CONFIG_H */
\ No newline at end of file
diff --git a/source/hal/profiles/bare-metal/bsp/retarget.c b/source/hal/profiles/bare-metal/bsp/retarget.c
new file mode 100644
index 0000000..dfef62c
--- /dev/null
+++ b/source/hal/profiles/bare-metal/bsp/retarget.c
@@ -0,0 +1,268 @@
+/*
+ * Copyright (c) 2021 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
+ *
+ *     http://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.
+ */
+
+#include "uart_stdout.h"
+
+#include <stdio.h>
+#include <string.h>
+#include <time.h>
+
+#if defined(__ARMCC_VERSION) && (__ARMCC_VERSION >= 6100100)
+/* Arm compiler re-targeting */
+
+#include <rt_misc.h>
+#include <rt_sys.h>
+
+
+/* Standard IO device handles. */
+#define STDIN  0x8001
+#define STDOUT 0x8002
+#define STDERR 0x8003
+
+#define RETARGET(fun) _sys##fun
+
+#else
+/* GNU compiler re-targeting */
+
+/*
+ * This type is used by the _ I/O functions to denote an open
+ * file.
+ */
+typedef int FILEHANDLE;
+
+/*
+ * Open a file. May return -1 if the file failed to open.
+ */
+extern FILEHANDLE _open(const char * /*name*/, int /*openmode*/);
+
+/* Standard IO device handles. */
+#define STDIN  0x00
+#define STDOUT 0x01
+#define STDERR 0x02
+
+#define RETARGET(fun) fun
+
+#endif
+
+/* Standard IO device name defines. */
+const char __stdin_name[] __attribute__((aligned(4)))  = "STDIN";
+const char __stdout_name[] __attribute__((aligned(4))) = "STDOUT";
+const char __stderr_name[] __attribute__((aligned(4))) = "STDERR";
+
+void _ttywrch(int ch) {
+    (void)fputc(ch, stdout);
+}
+
+FILEHANDLE RETARGET(_open)(const char *name, int openmode)
+{
+    (void)(openmode);
+
+    if (strcmp(name, __stdin_name) == 0) {
+        return (STDIN);
+    }
+
+    if (strcmp(name, __stdout_name) == 0) {
+        return (STDOUT);
+    }
+
+    if (strcmp(name, __stderr_name) == 0) {
+        return (STDERR);
+    }
+
+    return -1;
+}
+
+int RETARGET(_write)(FILEHANDLE fh, const unsigned char *buf, unsigned int len, int mode)
+{
+    (void)(mode);
+
+    switch (fh) {
+    case STDOUT:
+    case STDERR: {
+        int c;
+
+        while (len-- > 0) {
+            c = fputc(*buf++, stdout);
+            if (c == EOF) {
+                return EOF;
+            }
+        }
+
+        return 0;
+    }
+    default:
+        return EOF;
+    }
+}
+
+int RETARGET(_read)(FILEHANDLE fh, unsigned char *buf, unsigned int len, int mode)
+{
+    (void)(mode);
+
+    switch (fh) {
+    case STDIN: {
+        int c;
+
+        while (len-- > 0) {
+            c = fgetc(stdin);
+            if (c == EOF) {
+                return EOF;
+            }
+
+            *buf++ = (unsigned char)c;
+        }
+
+        return 0;
+    }
+    default:
+        return EOF;
+    }
+}
+
+int RETARGET(_istty)(FILEHANDLE fh)
+{
+    switch (fh) {
+    case STDIN:
+    case STDOUT:
+    case STDERR:
+        return 1;
+    default:
+        return 0;
+    }
+}
+
+int RETARGET(_close)(FILEHANDLE fh)
+{
+    if (RETARGET(_istty(fh))) {
+        return 0;
+    }
+
+    return -1;
+}
+
+int RETARGET(_seek)(FILEHANDLE fh, long pos)
+{
+    (void)(fh);
+    (void)(pos);
+
+    return -1;
+}
+
+int RETARGET(_ensure)(FILEHANDLE fh)
+{
+    (void)(fh);
+
+    return -1;
+}
+
+long RETARGET(_flen)(FILEHANDLE fh)
+{
+    if (RETARGET(_istty)(fh)) {
+        return 0;
+    }
+
+    return -1;
+}
+
+int RETARGET(_tmpnam)(char *name, int sig, unsigned int maxlen)
+{
+    (void)(name);
+    (void)(sig);
+    (void)(maxlen);
+
+    return 1;
+}
+
+char *RETARGET(_command_string)(char *cmd, int len)
+{
+    (void)(len);
+
+    return cmd;
+}
+
+void RETARGET(_exit)(int return_code)
+{
+    UartEndSimulation(return_code);
+    while(1);
+}
+
+int system(const char *cmd)
+{
+    (void)(cmd);
+
+    return 0;
+}
+
+time_t time(time_t *timer)
+{
+    time_t current;
+
+    current = 0; // To Do !! No RTC implemented
+
+    if (timer != NULL) {
+        *timer = current;
+    }
+
+    return current;
+}
+
+void _clock_init(void) {}
+
+clock_t clock(void)
+{
+    return (clock_t)-1;
+}
+
+int remove(const char *arg) {
+    (void)(arg);
+
+    return 0;
+}
+
+int rename(const char *oldn, const char *newn)
+{
+    (void)(oldn);
+    (void)(newn);
+
+    return 0;
+}
+
+int fputc(int ch, FILE *f)
+{
+    (void)(f);
+
+    return UartPutc(ch);
+}
+
+int fgetc(FILE *f)
+{
+    (void)(f);
+
+    return UartPutc(UartGetc());
+}
+
+#ifndef ferror
+
+/* arm-none-eabi-gcc with newlib uses a define for ferror */
+int ferror(FILE *f)
+{
+    (void)(f);
+
+    return EOF;
+}
+
+#endif /* #ifndef ferror */
diff --git a/source/hal/profiles/bare-metal/data_acquisition/data_acq.c b/source/hal/profiles/bare-metal/data_acquisition/data_acq.c
new file mode 100644
index 0000000..1e40b02
--- /dev/null
+++ b/source/hal/profiles/bare-metal/data_acquisition/data_acq.c
@@ -0,0 +1,61 @@
+/*
+ * Copyright (c) 2021 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
+ *
+ *     http://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.
+ */
+#include "data_acq.h"
+
+#include "bsp.h"
+
+#include <assert.h>
+#include <stdlib.h>
+#include <string.h>
+
+/**
+ * @brief       Get the user input from USART.
+ * @param[out]  user_input  String read from the UART block.
+ * @param[in]   size        String read length.
+ * @return      0 if successful, error code otherwise.
+ **/
+static int get_uart_user_input(char* user_input, int size)
+{
+    if (true != GetLine(user_input, size - 1)) {
+        printf_err("invalid input\n");
+        return 1;
+    }
+    return 0;
+}
+
+int data_acq_channel_init(data_acq_module* module)
+{
+    assert(module);
+
+    /* UART should have been initialised with low level initialisation
+     * routines. */
+    module->system_init = NULL;
+
+    strncpy(module->system_name, "UART", sizeof(module->system_name));
+    module->get_input = get_uart_user_input;
+    module->inited = 1;
+
+    return !(module->inited);
+}
+
+int data_acq_channel_release(data_acq_module* module)
+{
+    assert(module);
+    module->inited = 0;
+    module->get_input = NULL;
+    return 0;
+}
diff --git a/source/hal/profiles/bare-metal/data_presentation/data_psn.c b/source/hal/profiles/bare-metal/data_presentation/data_psn.c
new file mode 100644
index 0000000..474d552
--- /dev/null
+++ b/source/hal/profiles/bare-metal/data_presentation/data_psn.c
@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) 2021 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
+ *
+ *     http://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.
+ */
+#include "data_psn.h"
+
+#include "bsp.h"
+#include "lcd_img.h"
+
+#include <assert.h>
+#include <string.h>
+
+int data_psn_system_init(data_psn_module* module)
+{
+    assert(module);
+
+    /* LCD output supported. */
+    module->system_init = lcd_init;
+    module->present_data_image = lcd_display_image;
+    module->present_data_text = lcd_display_text;
+    module->present_box = lcd_display_box;
+    module->set_text_color = lcd_set_text_color;
+    module->clear = lcd_clear;
+    strncpy(module->system_name, "lcd", sizeof(module->system_name));
+    module->inited =  !module->system_init();
+    return !module->inited;
+}
+
+int data_psn_system_release(data_psn_module* module)
+{
+    assert(module);
+    module->inited = 0;
+    return 0;
+}
diff --git a/source/hal/profiles/bare-metal/data_presentation/lcd/include/lcd_img.h b/source/hal/profiles/bare-metal/data_presentation/lcd/include/lcd_img.h
new file mode 100644
index 0000000..e4ad791
--- /dev/null
+++ b/source/hal/profiles/bare-metal/data_presentation/lcd/include/lcd_img.h
@@ -0,0 +1,90 @@
+/*
+ * Copyright (c) 2021 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
+ *
+ *     http://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 LCD_IMG_H
+#define LCD_IMG_H
+
+#include <stdint.h>
+#include <stddef.h>
+#include <stdbool.h>
+
+/**
+ * @brief   Initialise the LCD
+ * @return  0 if successful, error code otherwise.
+ **/
+int lcd_init(void);
+
+/**
+ * @brief       Display a given image on the LCD. This allows displaying 8 bit
+ *              single or multi-channel images on the LCD.
+ * @param[in]   data        Pointer to start of the image.
+ * @param[in]   width       Width of this image.
+ * @param[in]   height      Image height.
+ * @param[in]   channels    Number of channels.
+ * @param[in]   pos_x       Screen position x co-ordinate.
+ * @param[in]   pos_y       Screen position y co-ordinate.
+ * @param[in]   downsample_factor   Factor by which the image needs to be
+ *                                  downsampled.
+ * @return      0 if successful, non-zero otherwise.
+ **/
+int lcd_display_image(uint8_t* data, const uint32_t width,
+    const uint32_t height, const uint32_t channels,
+    const uint32_t pos_x, const uint32_t pos_y,
+    const uint32_t downsample_factor);
+
+/**
+ * @brief       Display a given image on the LCD. This allows displaying 8 bit
+ *              single or multi-channel images on the LCD.
+ * @param[in]   str         Pointer to a null terminated string.
+ * @param[in]   str_sz      Length of the string.
+ * @param[in]   pos_x       Screen position x co-ordinate.
+ * @param[in]   pos_y       Screen position y co-ordinate.
+ * @param[in]   allow_multiple_lines    The function will try and spread
+ *                                      the string into multiple lines if
+ *                                      they don't fit in one.
+ * @return      0 if successful, non-zero otherwise.
+ **/
+int lcd_display_text(const char* str, const size_t str_sz,
+     const uint32_t pos_x, const uint32_t pos_y,
+     const bool allow_multiple_lines);
+
+/**
+ * @brief       Display a box with given color on LCD.
+ * @param[in]   pos_x       Screen position x co-ordinate.
+ * @param[in]   pos_y       Screen position y co-ordinate.
+ * @param[in]   width       Width.
+ * @param[in]   height      Height.
+ * @param[in]   color       Fill color.
+ * @return      0 if successful, non-zero otherwise.
+ **/
+int lcd_display_box(const uint32_t pos_x, const uint32_t pos_y,
+    const uint32_t width, const uint32_t height, const uint16_t color);
+
+/**
+ * @brief       Clear LCD.
+ * @param[in]   color   Fill color.
+ * @return      0 if successful, non-zero otherwise.
+ **/
+int lcd_clear(const uint16_t color);
+
+/**
+ * @brief       Set text color.
+ * @param[in]   color   Fill color.
+ * @return      0 if successful, non-zero otherwise.
+ **/
+int lcd_set_text_color(const uint16_t color);
+
+#endif /* LCD_IMG_H */
diff --git a/source/hal/profiles/bare-metal/data_presentation/lcd/lcd_img.c b/source/hal/profiles/bare-metal/data_presentation/lcd/lcd_img.c
new file mode 100644
index 0000000..f03566f
--- /dev/null
+++ b/source/hal/profiles/bare-metal/data_presentation/lcd/lcd_img.c
@@ -0,0 +1,159 @@
+/*
+ * Copyright (c) 2021 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
+ *
+ *     http://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.
+ */
+#include "lcd_img.h"
+
+#include "bsp.h"
+
+#include <string.h>
+#include <assert.h>
+
+static int show_title(void)
+{
+    char title[128];
+    int status = 0;
+
+    /* LCD title string */
+#if defined(CPU_CORTEX_M55)
+    const char* cpu_name = "Arm Cortex-M55";
+#else /* defined(CPU_CORTEX_M55) */
+    const char* cpu_name = "Arm CPU";
+#endif /* defined(CPU_CORTEX_M55) */
+
+    lcd_set_text_color(White);
+
+    /* First line */
+    snprintf(title, sizeof(title), "Arm ML embedded code samples");
+
+    if (0 != (status = lcd_display_text(
+            title, strlen(title), 10, 0, false))) {
+        return status;
+    }
+
+    /* Second line */
+#if defined (ARM_NPU)
+    snprintf(title, sizeof(title), "%s + Arm Ethos-U NPU", cpu_name);
+#else /* defined (ARM_NPU) */
+    snprintf(title, sizeof(title), "%s", cpu_name);
+#endif /* defined (ARM_NPU) */
+
+    return lcd_display_text(title, strlen(title), 10, 20, false);
+}
+
+int lcd_init(void)
+{
+    GLCD_Initialize();
+    GLCD_Clear(Black);
+    return show_title();
+}
+
+int lcd_display_image(uint8_t* data, const uint32_t width,
+    const uint32_t height, const uint32_t channels,
+    const uint32_t pos_x, const uint32_t pos_y,
+    const uint32_t downsample_factor)
+{
+    /* Sanity checks */
+    assert(data);
+    if ((pos_x + width/downsample_factor > GLCD_WIDTH) ||
+            (pos_y + height/downsample_factor > GLCD_HEIGHT)) {
+        printf_err("Invalid image size for given location!\n");
+        return 1;
+    }
+
+    if (1 == channels || 3 == channels) {
+        GLCD_Image(data, width, height, channels, pos_x, pos_y,
+            downsample_factor);
+    } else {
+        printf_err("Only single and three channel images are supported!\n");
+        return 1;
+    }
+
+    return 0;
+}
+
+int lcd_display_text(const char* str, const size_t str_sz,
+    const uint32_t pos_x, const uint32_t pos_y,
+    const bool allow_multiple_lines)
+{
+    /* We use a font 0 which is 9x15. */
+    const uint32_t x_span =  9; /* Each character is this  9 pixels "wide". */
+    const uint32_t y_span = 15; /* Each character is this 15 pixels "high". */
+
+    if (str_sz == 0) {
+        return 1;
+    }
+
+    /* If not within the LCD bounds, return error. */
+    if (pos_x + x_span > GLCD_WIDTH || pos_y + y_span > GLCD_HEIGHT) {
+        return 1;
+    } else {
+        const unsigned char font_idx = 0; /* We are using the custom font = 0 */
+
+        const uint32_t col = pos_x/x_span;
+        const uint32_t max_cols = GLCD_WIDTH/x_span - 1;
+        const uint32_t max_lines = GLCD_HEIGHT/y_span - 1;
+
+        uint32_t i = 0;
+        uint32_t current_line = pos_y/y_span;
+        uint32_t current_col = col;
+
+        /* Display the string on the LCD. */
+        for (i = 0; i < str_sz; ++i) {
+
+            if (allow_multiple_lines) {
+
+                /* If the next character won't fit. */
+                if (current_col > max_cols) {
+                    current_col = col;
+
+                    /* If the next line won't fit. */
+                    if (++current_line  > max_lines) {
+                        return 1;
+                    }
+                }
+            }
+
+            GLCD_DisplayChar(current_line, current_col++, font_idx, str[i]);
+        }
+    }
+    return 0;
+}
+
+int lcd_display_box(const uint32_t pos_x, const uint32_t pos_y,
+    const uint32_t width, const uint32_t height, const uint16_t color)
+{
+    /* If not within the LCD bounds, return error. */
+    if (pos_x > GLCD_WIDTH || pos_y > GLCD_HEIGHT) {
+        return 1;
+    }
+    else {
+        GLCD_Box(pos_x, pos_y, width, height, color);
+    }
+    return 0;
+}
+
+int lcd_clear(const uint16_t color)
+{
+    GLCD_Clear(color);
+    GLCD_SetTextColor(White);
+    return show_title();
+}
+
+int lcd_set_text_color(const uint16_t color)
+{
+    GLCD_SetTextColor(color);
+    return 0;
+}
diff --git a/source/hal/profiles/bare-metal/timer/include/platform_timer.h b/source/hal/profiles/bare-metal/timer/include/platform_timer.h
new file mode 100644
index 0000000..6338e0b
--- /dev/null
+++ b/source/hal/profiles/bare-metal/timer/include/platform_timer.h
@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) 2021 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
+ *
+ *     http://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 BAREMETAL_TIMER_H
+#define BAREMETAL_TIMER_H
+
+#include "bsp.h"
+
+#include <stdint.h>
+#include <time.h>
+
+typedef struct bm_time_counter {
+    base_time_counter       counter;
+
+#if defined (ARM_NPU)
+    uint64_t                npu_total_ccnt;
+    uint32_t                npu_idle_ccnt;
+    uint32_t                npu_axi0_read_beats;
+    uint32_t                npu_axi0_write_beats;
+    uint32_t                npu_axi1_read_beats;
+#endif /* ARM_NPU */
+
+} time_counter;
+
+#endif /* BAREMETAL_TIMER_H */
diff --git a/source/hal/profiles/bare-metal/timer/platform_timer.c b/source/hal/profiles/bare-metal/timer/platform_timer.c
new file mode 100644
index 0000000..c8e7252
--- /dev/null
+++ b/source/hal/profiles/bare-metal/timer/platform_timer.c
@@ -0,0 +1,350 @@
+/*
+ * Copyright (c) 2021 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
+ *
+ *     http://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.
+ */
+#include "bsp.h"
+#include "timer.h"
+
+#include <assert.h>
+#include <string.h>
+#include <inttypes.h>
+
+#if defined (ARM_NPU)
+
+#include "pmu_ethosu.h"
+
+extern struct ethosu_driver ethosu_drv; /* Default Ethos-U55 device driver */
+
+/**
+ * @brief Initialises the PMU and enables the cycle counter.
+ **/
+static void _init_ethosu_cyclecounter(void);
+
+/**
+ * @brief       Gets the difference of total NPU cycle counts.
+ *              (includes active and idle)
+ * @param[in]   st      Pointer to time_counter value at start time.
+ * @param[in]   end     Pointer to time_counter value at end.
+ * @return      Total NPU cycle counts difference between the arguments expressed
+ *              as unsigned 64 bit integer.
+ **/
+static uint64_t bm_get_npu_total_cycle_diff(time_counter *st,
+                                            time_counter *end);
+
+/**
+ * @brief       Gets the difference in active NPU cycle counts.
+ * @param[in]   st      Pointer to time_counter value at start time.
+ * @param[in]   end     Pointer to time_counter value at end.
+ * @return      Active NPU cycle counts difference between the arguments expressed
+ *              as unsigned 64 bit integer.
+ **/
+static uint64_t bm_get_npu_active_cycle_diff(time_counter *st,
+                                             time_counter *end);
+
+/** @brief  Gets the difference in idle NPU cycle counts
+ * @param[in]   st      Pointer to time_counter value at start time.
+ * @param[in]   end     Pointer to time_counter value at end.
+ * @return      Idle NPU cycle counts difference between the arguments expressed
+ *              as unsigned 64 bit integer.
+ **/
+static uint64_t bm_get_npu_idle_cycle_diff(time_counter *st,
+                                           time_counter *end);
+
+/** @brief  Gets the difference in axi0 bus reads cycle counts
+ * @param[in]   st      Pointer to time_counter value at start time.
+ * @param[in]   end     Pointer to time_counter value at end.
+ * @return      NPU AXI0 read cycle counts  difference between the arguments expressed
+ *              as unsigned 64 bit integer.
+ **/
+static uint64_t bm_get_npu_axi0_read_cycle_diff(time_counter *st,
+                                                time_counter *end);
+
+/** @brief  Gets the difference in axi0 bus writes cycle counts
+ * @param[in]   st      Pointer to time_counter value at start time.
+ * @param[in]   end     Pointer to time_counter value at end.
+ * @return      NPU AXI0 write cycle counts difference between the arguments expressed
+ *              as unsigned 64 bit integer.
+ **/
+static uint64_t bm_get_npu_axi0_write_cycle_diff(time_counter *st,
+                                                 time_counter *end);
+
+/** @brief  Gets the difference in axi1 bus reads cycle counts
+ * @param[in]   st      Pointer to time_counter value at start time.
+ * @param[in]   end     Pointer to time_counter value at end.
+ * @return      NPU AXI1 read cycle counts difference between the arguments expressed
+ *              as unsigned 64 bit integer.
+ **/
+static uint64_t bm_get_npu_axi1_read_cycle_diff(time_counter *st,
+                                                time_counter *end);
+
+/** @brief  Gets the difference for 6 collected cycle counts:
+ * 1) total NPU
+ * 2) active NPU
+ * 3) idle NPU
+ * 4) axi0 read
+ * 5) axi0 write
+ * 6) axi1 read
+ * */
+static int bm_get_npu_cycle_diff(time_counter *st, time_counter *end,
+                                  uint64_t* pmu_counters_values, const size_t size);
+
+#endif /* defined (ARM_NPU) */
+
+#if defined(MPS3_PLATFORM)
+/**
+ * @brief       Wrapper for getting milliseconds duration between time counters
+ * @param[in]   st      Pointer to time_counter value at start time.
+ * @param[in]   end     Pointer to time_counter value at end.
+ * @return      Difference in milliseconds between given time counters.
+ **/
+static time_t bm_get_duration_ms(time_counter *st, time_counter *end);
+
+/**
+ * @brief       Wrapper for getting microseconds duration between time counters
+ * @param[in]   st      Pointer to time_counter value at start time.
+ * @param[in]   end     Pointer to time_counter value at end.
+ * @return      Difference in microseconds between given time counters.
+ **/
+static time_t bm_get_duration_us(time_counter *st, time_counter *end);
+#endif /* defined(MPS3_PLATFORM) */
+
+/**
+ * @brief Wrapper for resetting timer.
+ **/
+static void bm_timer_reset(void);
+
+/**
+ * @brief   Wrapper for getting the current timer counter.
+ * @return  Current time counter value.
+ **/
+static time_counter bm_get_time_counter(void);
+
+/**
+ * @brief   Wrapper for profiler start.
+ * @return  Current profiler start timer counter.
+ **/
+static time_counter bm_start_profiling(void);
+
+/**
+ * @brief   Wrapper for profiler end.
+ * @return  Current profiler end timer counter.
+ **/
+static time_counter bm_stop_profiling(void);
+
+/**
+ * @brief   Wrapper for getting CPU cycle difference between time counters.
+ * @return  CPU cycle difference between given time counters expressed
+ *          as unsigned 32 bit integer.
+ **/
+static uint64_t bm_get_cpu_cycles_diff(time_counter *st, time_counter *end);
+
+/**
+ * @brief       Initialiser for bare metal timer.
+ * @param[in]   timer  Platform timer to initialize.
+ **/
+void init_timer(platform_timer *timer)
+{
+    assert(timer);
+    memset(timer, 0, sizeof(*timer));
+
+    timer->reset            = bm_timer_reset;
+    timer->get_time_counter = bm_get_time_counter;
+    timer->start_profiling  = bm_start_profiling;
+    timer->stop_profiling   = bm_stop_profiling;
+    timer->get_cpu_cycle_diff = bm_get_cpu_cycles_diff;
+    timer->cap.cpu_cycles = 1;
+
+#if defined (MPS3_PLATFORM)
+    timer->cap.duration_ms  = 1;
+    timer->cap.duration_us  = 1;
+    timer->get_duration_ms  = bm_get_duration_ms;
+    timer->get_duration_us  = bm_get_duration_us;
+#endif  /* defined (MPS3_PLATFORM) */
+
+#if defined (ARM_NPU)
+    /* We are capable of reporting npu cycle counts. */
+    timer->cap.npu_cycles   = 1;
+    timer->get_npu_cycles_diff = bm_get_npu_cycle_diff;
+    _init_ethosu_cyclecounter();
+#endif /* defined (ARM_NPU) */
+
+    timer->reset();
+    timer->inited = 1;
+}
+
+#if defined (ARM_NPU)
+static void _reset_ethosu_counters()
+{
+    /* Reset all cycle and event counters. */
+    ETHOSU_PMU_CYCCNT_Reset(&ethosu_drv);
+    ETHOSU_PMU_EVCNTR_ALL_Reset(&ethosu_drv);
+}
+static void _init_ethosu_cyclecounter()
+{
+    /* Reset overflow status. */
+    ETHOSU_PMU_Set_CNTR_OVS(&ethosu_drv, ETHOSU_PMU_CNT1_Msk | ETHOSU_PMU_CCNT_Msk);
+    /* We can retrieve only 4 PMU counters: */
+    ETHOSU_PMU_Set_EVTYPER(&ethosu_drv, 0, ETHOSU_PMU_NPU_IDLE);
+    ETHOSU_PMU_Set_EVTYPER(&ethosu_drv, 1, ETHOSU_PMU_AXI0_RD_DATA_BEAT_RECEIVED);
+    ETHOSU_PMU_Set_EVTYPER(&ethosu_drv, 2, ETHOSU_PMU_AXI0_WR_DATA_BEAT_WRITTEN);
+    ETHOSU_PMU_Set_EVTYPER(&ethosu_drv, 3, ETHOSU_PMU_AXI1_RD_DATA_BEAT_RECEIVED);
+    /* Enable PMU. */
+    ETHOSU_PMU_Enable(&ethosu_drv);
+    /* Enable counters for cycle and counter# 0. */
+    ETHOSU_PMU_CNTR_Enable(&ethosu_drv, ETHOSU_PMU_CNT1_Msk | ETHOSU_PMU_CNT2_Msk | ETHOSU_PMU_CNT3_Msk | ETHOSU_PMU_CNT4_Msk| ETHOSU_PMU_CCNT_Msk);
+    _reset_ethosu_counters();
+}
+
+static int bm_get_npu_cycle_diff(time_counter *st, time_counter *end,
+                                  uint64_t* pmu_counters_values, const size_t size)
+{
+    if (size == 6) {
+        pmu_counters_values[0] = bm_get_npu_total_cycle_diff(st, end);
+        pmu_counters_values[1] = bm_get_npu_active_cycle_diff(st, end);
+        pmu_counters_values[2] = bm_get_npu_idle_cycle_diff(st, end);
+        pmu_counters_values[3] = bm_get_npu_axi0_read_cycle_diff(st, end);
+        pmu_counters_values[4] = bm_get_npu_axi0_write_cycle_diff(st, end);
+        pmu_counters_values[5] = bm_get_npu_axi1_read_cycle_diff(st, end);
+        return 0;
+    } else {
+        return 1;
+    }
+}
+
+static uint64_t bm_get_npu_total_cycle_diff(time_counter *st, time_counter *end)
+{
+    return end->npu_total_ccnt - st->npu_total_ccnt;
+}
+
+static uint32_t counter_overflow(uint32_t pmu_counter_mask)
+{
+    /* Check for overflow: The idle counter is 32 bit while the
+       total cycle count is 64 bit. */
+    const uint32_t overflow_status = ETHOSU_PMU_Get_CNTR_OVS(&ethosu_drv);
+    return pmu_counter_mask & overflow_status;
+}
+
+static uint64_t bm_get_npu_idle_cycle_diff(time_counter *st, time_counter *end)
+{
+    if (counter_overflow(ETHOSU_PMU_CNT1_Msk)) {
+        printf_err("EthosU PMU idle counter overflow.\n");
+        return 0;
+    }
+    return (uint64_t)(end->npu_idle_ccnt - st->npu_idle_ccnt);
+}
+
+static uint64_t bm_get_npu_active_cycle_diff(time_counter *st, time_counter *end)
+{
+    /* Active NPU time = total time - idle time */
+    return bm_get_npu_total_cycle_diff(st, end) - bm_get_npu_idle_cycle_diff(st, end);
+}
+
+static uint64_t bm_get_npu_axi0_read_cycle_diff(time_counter *st, time_counter *end)
+{
+    if (counter_overflow(ETHOSU_PMU_CNT2_Msk)) {
+        printf_err("EthosU PMU axi0 read counter overflow.\n");
+        return 0;
+    }
+    return (uint64_t)(end->npu_axi0_read_beats - st->npu_axi0_read_beats);
+}
+
+static uint64_t bm_get_npu_axi0_write_cycle_diff(time_counter *st, time_counter *end)
+{
+    if (counter_overflow(ETHOSU_PMU_CNT3_Msk)) {
+        printf_err("EthosU PMU axi0 write counter overflow.\n");
+        return 0;
+    }
+    return (uint64_t)(end->npu_axi0_write_beats - st->npu_axi0_write_beats);
+}
+
+static uint64_t bm_get_npu_axi1_read_cycle_diff(time_counter *st, time_counter *end)
+{
+    if (counter_overflow(ETHOSU_PMU_CNT4_Msk)) {
+        printf_err("EthosU PMU axi1 read counter overflow.\n");
+        return 0;
+    }
+    return (uint64_t)(end->npu_axi1_read_beats - st->npu_axi1_read_beats);
+}
+
+#endif /* defined (ARM_NPU) */
+
+static void bm_timer_reset(void)
+{
+#if defined (ARM_NPU)
+    _init_ethosu_cyclecounter();
+#endif /* defined (ARM_NPU) */
+
+    timer_reset();
+}
+
+static time_counter bm_get_time_counter(void)
+{
+    time_counter t = {
+        .counter = get_time_counter(),
+
+#if defined (ARM_NPU)
+            .npu_total_ccnt = ETHOSU_PMU_Get_CCNTR(&ethosu_drv),
+            .npu_idle_ccnt = ETHOSU_PMU_Get_EVCNTR(&ethosu_drv, 0),
+            .npu_axi0_read_beats = ETHOSU_PMU_Get_EVCNTR(&ethosu_drv, 1),
+            .npu_axi0_write_beats = ETHOSU_PMU_Get_EVCNTR(&ethosu_drv, 2),
+            .npu_axi1_read_beats = ETHOSU_PMU_Get_EVCNTR(&ethosu_drv, 3)
+#endif /* defined (ARM_NPU) */
+
+    };
+
+#if defined (ARM_NPU)
+    debug("NPU total cc: %" PRIu64
+        "; NPU idle cc: %" PRIu32
+        "; NPU axi0 read beats: %" PRIu32
+        "; NPU axi0 write beats: %" PRIu32
+        "; NPU axi1 read beats: %" PRIu32 "\n",
+        t.npu_total_ccnt,
+        t.npu_idle_ccnt,
+        t.npu_axi0_read_beats,
+        t.npu_axi0_write_beats,
+        t.npu_axi1_read_beats);
+#endif /* defined (ARM_NPU) */
+
+    return t;
+}
+
+static time_counter bm_start_profiling(void)
+{
+    start_cycle_counter();
+    return bm_get_time_counter();
+}
+
+static time_counter bm_stop_profiling(void)
+{
+    stop_cycle_counter();
+    return bm_get_time_counter();
+}
+
+static uint64_t bm_get_cpu_cycles_diff(time_counter *st, time_counter *end)
+{
+    return get_cycle_count_diff(&(st->counter), &(end->counter));
+}
+
+#if defined(MPS3_PLATFORM)
+static time_t bm_get_duration_ms(time_counter *st, time_counter *end)
+{
+    return get_duration_milliseconds(&(st->counter), &(end->counter));
+}
+
+static time_t bm_get_duration_us(time_counter *st, time_counter *end)
+{
+    return get_duration_microseconds(&(st->counter), &(end->counter));
+}
+#endif /* defined(MPS3_PLATFORM) */
diff --git a/source/hal/profiles/bare-metal/utils/include/system_init.h b/source/hal/profiles/bare-metal/utils/include/system_init.h
new file mode 100644
index 0000000..84e0305
--- /dev/null
+++ b/source/hal/profiles/bare-metal/utils/include/system_init.h
@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) 2021 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
+ *
+ *     http://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 BAREMETAL_SYSTEM_INIT_H
+#define BAREMETAL_SYSTEM_INIT_H
+
+#include "bsp.h"
+
+/**
+ * @brief   Initialises the platform (MPS3 FPGA board or Fixed Virtual Platform)
+ *          Updates the system core clock and initialises the UART. It also
+ *          verifies that the Cortex-M CPU variant being used matches the expected
+ *          value if running on MPS3.
+ * @return  0 if successful, error code otherwise.
+*/
+int system_init(void);
+
+/**
+ * @brief  Releases the platform (MPS3 FPGA board or Fixed Virtual Platform).
+ **/
+void system_release(void);
+
+/**
+ * @brief  Return the name the platform (MPS3 FPGA board or Fixed Virtual Platform).
+ * @param[out]   name Platform name string.
+ * @param[in]    size Name string length.
+ **/
+void system_name(char* name, size_t size);
+
+#endif /* BAREMETAL_SYSTEM_INIT_H */
diff --git a/source/hal/profiles/bare-metal/utils/system_init.c b/source/hal/profiles/bare-metal/utils/system_init.c
new file mode 100644
index 0000000..23af14f
--- /dev/null
+++ b/source/hal/profiles/bare-metal/utils/system_init.c
@@ -0,0 +1,114 @@
+/*
+ * Copyright (c) 2021 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
+ *
+ *     http://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.
+ */
+#include "system_init.h"
+
+#include <string.h>
+#include <inttypes.h>
+
+#if defined(MPS3_PLATFORM)
+#define CREATE_MASK(msb, lsb)           (int)(((1U << ((msb) - (lsb) + 1)) - 1) << (lsb))
+#define MASK_BITS(arg, msb, lsb)        (int)((arg) & CREATE_MASK(msb, lsb))
+#define EXTRACT_BITS(arg, msb, lsb)     (int)(MASK_BITS(arg, msb, lsb) >> (lsb))
+#endif /* MPS3_PLATFORM */
+
+int system_init(void)
+{
+#if defined(MPS3_PLATFORM)
+    uint32_t id = 0;
+    uint32_t fpgaid = 0;
+    uint32_t apnote = 0;
+    uint32_t rev = 0;
+    uint32_t aid = 0;
+    uint32_t fpga_clk = 0;
+    const uint32_t ascii_A = (uint32_t)('A');
+
+    /* Initialise the LEDs as the switches are */
+    MPS3_FPGAIO->LED = MPS3_FPGAIO->SWITCHES & 0xFF;
+#endif
+
+    /* UART init - will enable valid use of printf (stdout
+     * re-directed at this UART (UART0) */
+    UartStdOutInit();
+    info("Processor internal clock: %" PRIu32 "Hz\n", GetSystemCoreClock());
+
+#if defined(MPS3_PLATFORM)
+    /* Get revision information from various registers */
+    rev = MPS3_SCC->CFG_REG4;
+    fpgaid = MPS3_SCC->SCC_ID;
+    aid = MPS3_SCC->SCC_AID;
+    apnote = EXTRACT_BITS(fpgaid, 15, 4);
+    fpga_clk = GetMPS3CoreClock();
+
+    info("V2M-MPS3 revision %c\n\n", (char)(rev + ascii_A));
+    info("Application Note AN%" PRIx32 ", Revision %c\n", apnote,
+        (char)(EXTRACT_BITS(aid, 23, 20) + ascii_A));
+    info("MPS3 build %d\n", EXTRACT_BITS(aid, 31, 24));
+    info("MPS3 core clock has been set to: %" PRIu32 "Hz\n", fpga_clk);
+
+    /* Display CPU ID */
+    id = SCB->CPUID;
+    info("CPU ID: 0x%08" PRIx32 "\n", id);
+
+    if(EXTRACT_BITS(id, 15, 8) == 0xD2) {
+        if (EXTRACT_BITS(id, 7, 4) == 2) {
+            info ("CPU: Cortex-M55 r%dp%d\n\n",
+                EXTRACT_BITS(id, 23, 20),EXTRACT_BITS(id, 3, 0));
+#if defined (CPU_CORTEX_M55)
+            /* CPU ID should be "0x_41_0f_d2_20" for Cortex-M55 */
+            return 0;
+#endif /* CPU_CORTEX_M55 */
+        } else if (EXTRACT_BITS(id, 7, 4) == 1) {
+            info ("CPU: Cortex-M33 r%dp%d\n\n",
+                EXTRACT_BITS(id, 23, 20),EXTRACT_BITS(id, 3, 0));
+#if defined (CPU_CORTEX_M33)
+            return 0;
+#endif /* CPU_CORTEX_M33 */
+        } else if (EXTRACT_BITS(id, 7, 4) == 0) {
+            info ("CPU: Cortex-M23 r%dp%d\n\n",
+                EXTRACT_BITS(id, 23, 20),EXTRACT_BITS(id, 3, 0));
+        } else {
+            info ("CPU: Cortex-M processor family");
+        }
+    } else if (EXTRACT_BITS(id, 15, 8) == 0xC6) {
+        info ("CPU: Cortex-M%d+ r%dp%d\n\n",
+            EXTRACT_BITS(id, 7, 4), EXTRACT_BITS(id, 23, 20),
+            EXTRACT_BITS(id, 3, 0));
+    } else {
+        info ("CPU: Cortex-M%d r%dp%d\n\n",
+            EXTRACT_BITS(id, 7, 4), EXTRACT_BITS(id, 23, 20),
+            EXTRACT_BITS(id, 3, 0));
+    }
+#else /* MPS3_PLATFORM */
+
+    info("%s: complete\n", __FUNCTION__);
+    return 0;
+#endif /* MPS3_PLATFORM */
+
+    /* If the CPU is anything other than M33 or M55, we return 1 */
+    printf_err("CPU mismatch!\n");
+    return 1;
+}
+
+void system_release(void)
+{
+    __disable_irq();
+}
+
+void system_name(char* name, size_t size)
+{
+    strncpy(name, DESIGN_NAME, size);
+}
\ No newline at end of file
diff --git a/source/hal/profiles/native/data_acquisition/data_acq.c b/source/hal/profiles/native/data_acquisition/data_acq.c
new file mode 100644
index 0000000..9b6815b
--- /dev/null
+++ b/source/hal/profiles/native/data_acquisition/data_acq.c
@@ -0,0 +1,63 @@
+/*
+ * Copyright (c) 2021 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
+ *
+ *     http://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.
+ */
+#include "data_acq.h"
+
+#include <assert.h>
+#include <stdio.h>
+#include <string.h>
+
+/**
+ * @brief   Initialize the acuisition.
+ * @return  0 if successful, error code otherwise.
+ **/
+static int acquisition_init(void)
+{
+    return 0;
+}
+
+/**
+ * @brief           Get the user input from stdin.
+ * @param[out]      user_input  String read from the stdin.
+ * @param[in,out]   size        String read length.
+ * @return          0 if successful, error code otherwise.
+ **/
+static int get_user_input(char* user_input, int size)
+{
+    if (NULL == fgets(user_input, size, stdin)) {
+        return 1;
+    }
+    return 0;
+}
+
+int data_acq_channel_init(data_acq_module *module)
+{
+    assert(module);
+
+    module->system_init = acquisition_init;
+    module->get_input = get_user_input;
+    strncpy(module->system_name, "native",
+            sizeof(module->system_name));
+    module->inited = !module->system_init();
+    return !module->inited;
+}
+
+int data_acq_channel_release(data_acq_module *module)
+{
+    assert(module);
+    module->inited = 0;
+    return 0;
+}
diff --git a/source/hal/profiles/native/data_presentation/data_psn.c b/source/hal/profiles/native/data_presentation/data_psn.c
new file mode 100644
index 0000000..fe4bcfa
--- /dev/null
+++ b/source/hal/profiles/native/data_presentation/data_psn.c
@@ -0,0 +1,45 @@
+/*
+ * Copyright (c) 2021 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
+ *
+ *     http://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.
+ */
+#include "data_psn.h"
+
+#include "log.h"
+
+#include <assert.h>
+#include <string.h>
+
+int data_psn_system_init(data_psn_module *module)
+{
+    assert(module);
+
+    module->system_init = log_psn_init;
+    module->present_data_image = log_display_image;
+    module->present_data_text = log_display_text;
+    module->present_box = log_display_box_icon;
+    module->set_text_color = log_set_text_color;
+    module->clear = log_clear;
+    strncpy(module->system_name, "log_psn", sizeof(module->system_name));
+    module->inited =  !module->system_init();
+    return !module->inited;
+}
+
+int data_psn_system_release(data_psn_module *module)
+{
+    /* Nothing to do here! */
+    assert(module);
+    module->inited = 0;
+    return 0;
+}
diff --git a/source/hal/profiles/native/data_presentation/log/include/log.h b/source/hal/profiles/native/data_presentation/log/include/log.h
new file mode 100644
index 0000000..9b9928f
--- /dev/null
+++ b/source/hal/profiles/native/data_presentation/log/include/log.h
@@ -0,0 +1,87 @@
+/*
+ * Copyright (c) 2021 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
+ *
+ *     http://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 NATIVE_LOG_H
+#define NATIVE_LOG_H
+
+#include <stdint.h>
+#include <stddef.h>
+#include <stdbool.h>
+
+/**
+ * @brief  Data presentation initialiser
+ **/
+int log_psn_init(void);
+
+/**
+ * @brief       Log parameters for the image to be displayed.
+ * @param[in]   data        Image pointer.
+ * @param[in]   width       Image width.
+ * @param[in]   height      Image height.
+ * @param[in]   channels    Number of channels.
+ * @param[in]   pos_x       Screen position x co-ordinate.
+ * @param[in]   pos_y       Screen position y co-ordinate.
+ * @param[in]   downsample_factor   Factor by which the image needs to be
+ *                                  down-sampled.
+ * @return      0 if successful, non-zero otherwise.
+ **/
+
+int log_display_image(uint8_t* data, const uint32_t width,
+                      const uint32_t height, const uint32_t channels,
+                      const uint32_t pos_x, const uint32_t pos_y,
+                      const uint32_t downsample_factor);
+
+/**
+ * @brief       Log the parameters for text to be displayed.
+ * @param[in]   str         Pointer to a null terminated string.
+ * @param[in]   str_sz      Length of the string.
+ * @param[in]   pos_x       Screen position x co-ordinate.
+ * @param[in]   pos_y       Screen position y co-ordinate.
+ * @param[in]   allow_multiple_lines  Specifies if multiple lines are allowed.
+ * @return      0 if successful, non-zero otherwise.
+ **/
+int log_display_text(const char* str, const size_t str_sz,
+                     const uint32_t pos_x, const uint32_t pos_y,
+                     const bool allow_multiple_lines);
+
+/**
+ * @brief       Log parameters for the box to be displayed.
+ * @param[in]   pos_x       Screen position x co-ordinate.
+ * @param[in]   pos_y       Screen position y co-ordinate.
+ * @param[in]   width       Width.
+ * @param[in]   height      Height.
+ * @param[in]   color       Fill color.
+ * @return      0 if successful, non-zero otherwise.
+ **/
+int log_display_box_icon(const uint32_t pos_x, const uint32_t pos_y,
+                         const uint32_t width, const uint32_t height, const uint16_t color);
+
+/**
+ * @brief       Logs the colour with which the display
+ *              needs to be cleared with.
+ * @param[in]   color       Fill color.
+ * @return      0 if successful, non-zero otherwise.
+ **/
+int log_clear(const uint16_t color);
+
+/**
+ * @brief       Logs the text color to be set.
+ * @param[in]   color       Fill color.
+ * @return 0 if successful, non-zero otherwise.
+ **/
+int log_set_text_color (const uint16_t color);
+
+#endif /* NATIVE_LOG_H */
\ No newline at end of file
diff --git a/source/hal/profiles/native/data_presentation/log/log.c b/source/hal/profiles/native/data_presentation/log/log.c
new file mode 100644
index 0000000..1673af1
--- /dev/null
+++ b/source/hal/profiles/native/data_presentation/log/log.c
@@ -0,0 +1,84 @@
+/*
+ * Copyright (c) 2021 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
+ *
+ *     http://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.
+ */
+#include "log.h"
+#include "log_macros.h"
+
+#include <stdint.h>
+
+#if defined(__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050)
+    #pragma clang diagnostic push
+    #pragma clang diagnostic ignored "-Wunused-parameter"
+#elif defined(__GNUC__)
+    #pragma GCC diagnostic push
+    #pragma GCC diagnostic ignored "-Wunused-parameter"
+#endif
+
+int log_psn_init(void)
+{
+    return 0;
+}
+
+int log_display_image(uint8_t* data, const uint32_t width,
+                      const uint32_t height, const uint32_t channels,
+                      const uint32_t pos_x, const uint32_t pos_y,
+                      const uint32_t downsample_factor)
+{
+    debug("Image details\n");
+    debug("Data:                 %p\n", data);
+    debug("WxHxC:                %dx%dx%d\n", width, height, channels);
+    debug("Pos (x,y):            (%d,%d)\n", pos_x, pos_y);
+    debug("Downsampling factor:  %u\n", downsample_factor);
+    return 0;
+}
+
+int log_display_text(const char* str, const size_t str_sz,
+                     const uint32_t pos_x, const uint32_t pos_y,
+                     const bool allow_multiple_lines)
+{
+    UNUSED(allow_multiple_lines);
+    debug("%s\n", str);
+    debug("Text size: %lu, x: %d, y: %d\n", str_sz, pos_x, pos_y);
+    return 0;
+}
+
+
+int log_display_box_icon(const uint32_t pos_x, const uint32_t pos_y,
+                         const uint32_t width, const uint32_t height,
+                         const uint16_t color)
+{
+    debug("Showing rectangular, width: %d, height: %d, color: %d, x: %d, y: %d\n",
+            width, height, color, pos_x, pos_y);
+    return 0;
+}
+
+int log_clear(const uint16_t color)
+{
+    debug("Clearing with color: %d\n", color);
+    return 0;
+}
+
+int log_set_text_color (const uint16_t color)
+{
+    debug("Setting text color: %d\n", color);
+    return 0;
+}
+
+#if defined(__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050)
+    #pragma clang diagnostic pop
+#elif defined(__GNUC__)
+    #pragma GCC diagnostic pop
+#endif
diff --git a/source/hal/profiles/native/timer/include/platform_timer.h b/source/hal/profiles/native/timer/include/platform_timer.h
new file mode 100644
index 0000000..df7b493
--- /dev/null
+++ b/source/hal/profiles/native/timer/include/platform_timer.h
@@ -0,0 +1,31 @@
+/*
+ * Copyright (c) 2021 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
+ *
+ *     http://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 TIMER_H
+#define TIMER_H
+
+#include <stdint.h>
+#include <time.h>
+
+/* Container for time struct */
+typedef struct _time_counter {
+    /* Current POSIX time in secs. */
+    time_t current_secs;
+    /* Nanoseconds expired in current second. */
+    time_t current_nsecs;
+} time_counter;
+
+#endif /* TIMER_H */
\ No newline at end of file
diff --git a/source/hal/profiles/native/timer/platform_timer.c b/source/hal/profiles/native/timer/platform_timer.c
new file mode 100644
index 0000000..c311125
--- /dev/null
+++ b/source/hal/profiles/native/timer/platform_timer.c
@@ -0,0 +1,110 @@
+/*
+ * Copyright (c) 2021 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
+ *
+ *     http://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.
+ */
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "timer.h"
+
+#include <assert.h>
+#include <time.h>
+#include <string.h>
+
+#define MILLISECONDS_IN_SECOND      1000
+#define MICROSECONDS_IN_SECOND      1000000
+#define NANOSECONDS_IN_MILLISECOND  1000000
+#define NANOSECONDS_IN_MICROSECOND  1000
+
+/**
+ * @brief   Gets the current time counter value.
+ * @return  Counter value expressed in terms of time_counter struct.
+ **/
+static time_counter get_time_counter(void)
+{
+    struct timespec current_time;
+    clock_gettime(1, &current_time);
+    time_counter t = {
+        .current_secs = current_time.tv_sec,
+        .current_nsecs = current_time.tv_nsec
+    };
+
+    return t;
+}
+
+/**
+ * @brief       Gets the time duration elapsed between start and end.
+ * @param[in]   start   Pointer to time_counter value at start time.
+ * @param[in]   end     Pointer to time_counter value at end.
+ * @return      Difference in milliseconds between the arguments expressed
+ *              as unsigned 32 bit integer.
+ **/
+static time_t get_duration_milliseconds(time_counter *start, time_counter *end)
+{
+    /* Convert both parts of time struct to ms then add for complete time. */
+    time_t seconds_part =
+        (end->current_secs - start->current_secs) * MILLISECONDS_IN_SECOND;
+    time_t nanoseconds_part =
+        (end->current_nsecs - start->current_nsecs) / NANOSECONDS_IN_MILLISECOND;
+
+    return seconds_part + nanoseconds_part;
+}
+
+/**
+ * @brief       Gets the time duration elapsed between start and end.
+ * @param[in]   start   Pointer to time_counter value at start time.
+ * @param[in]   end     Pointer to time_counter value at end.
+ * @return      Difference in microseconds between the arguments expressed
+ *              as unsigned 32 bit integer.
+ **/
+static time_t get_duration_microseconds(time_counter *start, time_counter *end)
+{
+    /* Convert both parts of time struct to us then add for complete time. */
+    time_t seconds_part =
+        (end->current_secs - start->current_secs) * MICROSECONDS_IN_SECOND;
+    time_t nanoseconds_part =
+        (end->current_nsecs - start->current_nsecs) / NANOSECONDS_IN_MICROSECOND;
+
+    return seconds_part + nanoseconds_part;
+}
+
+/**
+ * @brief Stub for timer reset.
+ **/
+void reset_timer() {}
+
+/**
+ * @brief Initialise the timer for this platform.
+ **/
+void init_timer(platform_timer *timer)
+{
+    assert(timer);
+    memset(timer, 0, sizeof(*timer));
+
+    timer->get_time_counter = get_time_counter;
+    timer->start_profiling = get_time_counter;
+    timer->stop_profiling = get_time_counter;
+    timer->get_duration_ms = get_duration_milliseconds;
+    timer->cap.duration_ms = 1;
+    timer->get_duration_us = get_duration_microseconds;
+    timer->cap.duration_us = 1;
+    timer->reset = reset_timer;
+    timer->inited = 1;
+}
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/source/hal/profiles/native/utils/include/system_init.h b/source/hal/profiles/native/utils/include/system_init.h
new file mode 100644
index 0000000..5d3fcd0
--- /dev/null
+++ b/source/hal/profiles/native/utils/include/system_init.h
@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) 2021 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
+ *
+ *     http://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 NATIVE_SYSTEM_INIT_H
+#define NATIVE_SYSTEM_INIT_H
+
+#include <stddef.h>
+/**
+ * @brief  Platform initialisation for native platform.
+ **/
+int system_init(void);
+
+/**
+ * @brief  Platform release for native platform.
+ **/
+void system_release(void);
+
+/**
+ * @brief       Returns the name of the platform.
+ * @param[out]  name Platform name string.
+ * @param[in]   size Name string length.
+ */
+void system_name(char* name, size_t size);
+
+#endif /* NATIVE_SYSTEM_INIT_H */
diff --git a/source/hal/profiles/native/utils/system_init.c b/source/hal/profiles/native/utils/system_init.c
new file mode 100644
index 0000000..8e0b768
--- /dev/null
+++ b/source/hal/profiles/native/utils/system_init.c
@@ -0,0 +1,32 @@
+/*
+ * Copyright (c) 2021 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
+ *
+ *     http://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.
+ */
+#include "system_init.h"
+
+#include <string.h>
+
+int system_init(void)
+{
+    return 0;
+}
+
+void system_release(void)
+{}
+
+void system_name(char* name, size_t size)
+{
+    strncpy(name, "native", size);
+}
\ No newline at end of file