System Info API addition

API added to get the system information like CPU ID, compiler ID and
compiler version.

Author: deepikabhavnani

platform/mbed_stats.c

@@ -1,8 +1,9 @@
+#include "mbed_assert.h"
 #include "mbed_stats.h"
 #include <string.h>
 #include <stdlib.h>
-#include "mbed_assert.h"
 
+#include "device.h"
 #ifdef MBED_CONF_RTOS_PRESENT
 #include "cmsis_os2.h"
 #elif defined(MBED_STACK_STATS_ENABLED) || defined(MBED_THREAD_STATS_ENABLED)
@@ -96,6 +97,29 @@ size_t mbed_stats_thread_get_each(mbed_stats_thread_t *stats, size_t count)
     osKernelUnlock();
     free(threads);
 #endif
-
     return i;
 }
+
+void mbed_stats_sys_get(mbed_stats_sys_t *stats)
+{
+    MBED_ASSERT(stats != NULL);
+    memset(stats, 0, sizeof(mbed_stats_sys_t));
+
+#if defined(MBED_SYS_STATS_ENABLED)
+
+    stats->cpu_id = SCB->CPUID;
+
+#if defined(__IAR_SYSTEMS_ICC__)
+    stats->compiler_id = IAR;
+    stats->compiler_version = __VER__;
+#elif defined(__CC_ARM)
+    stats->compiler_id = ARM;
+    stats->compiler_version = __ARMCC_VERSION;
+#elif defined(__GNUC__)
+    stats->compiler_id = GCC_ARM;
+    stats->compiler_version = (__GNUC__ * 10000 + __GNUC_MINOR__ * 100);
+#endif
+
+#endif
+    return;
+}

platform/mbed_stats.h

@@ -30,6 +30,7 @@ extern "C" {
 #endif
 
 #ifdef MBED_ALL_STATS_ENABLED
+#define MBED_SYS_STATS_ENABLED      1
 #define MBED_STACK_STATS_ENABLED    1
 #define MBED_HEAP_STATS_ENABLED     1
 #define MBED_THREAD_STATS_ENABLED   1
@@ -85,7 +86,6 @@ size_t mbed_stats_stack_get_each(mbed_stats_stack_t *stats, size_t count);
 /**
  * struct mbed_stats_thread_t definition
  */
-
 typedef struct {
     uint32_t id;                /**< Thread Object Identifier */
     uint32_t state;             /**< Thread Object State */
@@ -105,6 +105,31 @@ typedef struct {
  */
 size_t mbed_stats_thread_get_each(mbed_stats_thread_t *stats, size_t count);
 
+/**
+ * enum mbed_compiler_id_t definition
+ */
+typedef enum {
+    ARM = 1,                    /**< ARM */
+    GCC_ARM,                    /**< GNU ARM */
+    IAR                         /**< IAR */
+} mbed_compiler_id_t;
+
+/**
+ * struct mbed_stats_sys_t definition
+ */
+typedef struct {
+    uint32_t cpu_id;                    /**< CPUID Register data */
+    mbed_compiler_id_t compiler_id;     /**< Compiler ID \ref mbed_compiler_id_t */
+    uint32_t compiler_version;          /**< Compiler version */
+} mbed_stats_sys_t;
+
+/**
+ *  Fill the passed in sys stat structure with system stats.
+ *
+ *  @param stats    A pointer to the mbed_stats_sys_t structure to fill
+ */
+void mbed_stats_sys_get(mbed_stats_sys_t *stats);
+
 #ifdef __cplusplus
 }
 #endif