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>
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(ðosu_drv);
+ ETHOSU_PMU_EVCNTR_ALL_Reset(ðosu_drv);
+}
+static void _init_ethosu_cyclecounter()
+{
+ /* Reset overflow status. */
+ ETHOSU_PMU_Set_CNTR_OVS(ðosu_drv, ETHOSU_PMU_CNT1_Msk | ETHOSU_PMU_CCNT_Msk);
+ /* We can retrieve only 4 PMU counters: */
+ ETHOSU_PMU_Set_EVTYPER(ðosu_drv, 0, ETHOSU_PMU_NPU_IDLE);
+ ETHOSU_PMU_Set_EVTYPER(ðosu_drv, 1, ETHOSU_PMU_AXI0_RD_DATA_BEAT_RECEIVED);
+ ETHOSU_PMU_Set_EVTYPER(ðosu_drv, 2, ETHOSU_PMU_AXI0_WR_DATA_BEAT_WRITTEN);
+ ETHOSU_PMU_Set_EVTYPER(ðosu_drv, 3, ETHOSU_PMU_AXI1_RD_DATA_BEAT_RECEIVED);
+ /* Enable PMU. */
+ ETHOSU_PMU_Enable(ðosu_drv);
+ /* Enable counters for cycle and counter# 0. */
+ ETHOSU_PMU_CNTR_Enable(ðosu_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(ðosu_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(ðosu_drv),
+ .npu_idle_ccnt = ETHOSU_PMU_Get_EVCNTR(ðosu_drv, 0),
+ .npu_axi0_read_beats = ETHOSU_PMU_Get_EVCNTR(ðosu_drv, 1),
+ .npu_axi0_write_beats = ETHOSU_PMU_Get_EVCNTR(ðosu_drv, 2),
+ .npu_axi1_read_beats = ETHOSU_PMU_Get_EVCNTR(ðosu_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, ¤t_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