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>

8 files changed, 490 insertions, 0 deletions

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