jim hamblen / Mbed OS SD_Card_HelloWorld_Ver5

SD card file helloworld demo using new mbed RTOS ver 5 file driver setup. Pins setup for LPC1768 - read comment in code about project's json file requirements for adding the SD filesystem driver

SD card r/w demo for mbed OS version 5 on LPC1768.

File drivers are added in json file with "target.components_add": ["SD"] for use in most recent OS 5 version.

Test messages are sent to serial port with printf's.

stats_report.h@0:3588d7473dce, 2019-09-11 (annotated)

Committer:
4180_1
Date:
Wed Sep 11 12:39:11 2019 +0000
Revision:
0:3588d7473dce
ver 1.0

Who changed what in which revision?

UserRevisionLine numberNew contents of line
4180_1 0:3588d7473dce 1 /* mbed Microcontroller Library
4180_1 0:3588d7473dce 2 * Copyright (c) 2018 ARM Limited
4180_1 0:3588d7473dce 3 * SPDX-License-Identifier: Apache-2.0
4180_1 0:3588d7473dce 4 */
4180_1 0:3588d7473dce 5
4180_1 0:3588d7473dce 6 #ifndef STATS_REPORT_H
4180_1 0:3588d7473dce 7 #define STATS_REPORT_H
4180_1 0:3588d7473dce 8
4180_1 0:3588d7473dce 9 #include <inttypes.h>
4180_1 0:3588d7473dce 10 #include "mbed.h"
4180_1 0:3588d7473dce 11
4180_1 0:3588d7473dce 12 /**
4180_1 0:3588d7473dce 13 * System Reporting library. Provides runtime information on device:
4180_1 0:3588d7473dce 14 * - CPU sleep, idle, and wake times
4180_1 0:3588d7473dce 15 * - Heap and stack usage
4180_1 0:3588d7473dce 16 * - Thread information
4180_1 0:3588d7473dce 17 * - Static system information
4180_1 0:3588d7473dce 18 */
4180_1 0:3588d7473dce 19 class SystemReport {
4180_1 0:3588d7473dce 20 mbed_stats_heap_t heap_stats;
4180_1 0:3588d7473dce 21 mbed_stats_cpu_t cpu_stats;
4180_1 0:3588d7473dce 22 mbed_stats_sys_t sys_stats;
4180_1 0:3588d7473dce 23
4180_1 0:3588d7473dce 24 mbed_stats_thread_t *thread_stats;
4180_1 0:3588d7473dce 25 uint8_t thread_count;
4180_1 0:3588d7473dce 26 uint8_t max_thread_count;
4180_1 0:3588d7473dce 27 uint32_t sample_time_ms;
4180_1 0:3588d7473dce 28
4180_1 0:3588d7473dce 29 public:
4180_1 0:3588d7473dce 30 /**
4180_1 0:3588d7473dce 31 * SystemReport - Sample rate in ms is required to handle the CPU percent awake logic
4180_1 0:3588d7473dce 32 */
4180_1 0:3588d7473dce 33 SystemReport(uint32_t sample_rate) : max_thread_count(8), sample_time_ms(sample_rate)
4180_1 0:3588d7473dce 34 {
4180_1 0:3588d7473dce 35 thread_stats = new mbed_stats_thread_t[max_thread_count];
4180_1 0:3588d7473dce 36
4180_1 0:3588d7473dce 37 // Collect the static system information
4180_1 0:3588d7473dce 38 mbed_stats_sys_get(&sys_stats);
4180_1 0:3588d7473dce 39
4180_1 0:3588d7473dce 40 printf("=============================== SYSTEM INFO ================================\r\n");
4180_1 0:3588d7473dce 41 printf("Mbed OS Version: %" PRIu32 " \r\n", sys_stats.os_version);
4180_1 0:3588d7473dce 42 printf("CPU ID: 0x%" PRIx32 " \r\n", sys_stats.cpu_id);
4180_1 0:3588d7473dce 43 printf("Compiler ID: %d \r\n", sys_stats.compiler_id);
4180_1 0:3588d7473dce 44 printf("Compiler Version: %" PRIu32 " \r\n", sys_stats.compiler_version);
4180_1 0:3588d7473dce 45
4180_1 0:3588d7473dce 46 for (int i = 0; i < MBED_MAX_MEM_REGIONS; i++) {
4180_1 0:3588d7473dce 47 if (sys_stats.ram_size[i] != 0) {
4180_1 0:3588d7473dce 48 printf("RAM%d: Start 0x%" PRIx32 " Size: 0x%" PRIx32 " \r\n", i, sys_stats.ram_start[i], sys_stats.ram_size[i]);
4180_1 0:3588d7473dce 49 }
4180_1 0:3588d7473dce 50 }
4180_1 0:3588d7473dce 51 for (int i = 0; i < MBED_MAX_MEM_REGIONS; i++) {
4180_1 0:3588d7473dce 52 if (sys_stats.rom_size[i] != 0) {
4180_1 0:3588d7473dce 53 printf("ROM%d: Start 0x%" PRIx32 " Size: 0x%" PRIx32 " \r\n", i, sys_stats.rom_start[i], sys_stats.rom_size[i]);
4180_1 0:3588d7473dce 54 }
4180_1 0:3588d7473dce 55 }
4180_1 0:3588d7473dce 56 }
4180_1 0:3588d7473dce 57
4180_1 0:3588d7473dce 58 ~SystemReport(void)
4180_1 0:3588d7473dce 59 {
4180_1 0:3588d7473dce 60 free(thread_stats);
4180_1 0:3588d7473dce 61 }
4180_1 0:3588d7473dce 62
4180_1 0:3588d7473dce 63 /**
4180_1 0:3588d7473dce 64 * Report on each Mbed OS Platform stats API
4180_1 0:3588d7473dce 65 */
4180_1 0:3588d7473dce 66 void report_state(void)
4180_1 0:3588d7473dce 67 {
4180_1 0:3588d7473dce 68 report_cpu_stats();
4180_1 0:3588d7473dce 69 report_heap_stats();
4180_1 0:3588d7473dce 70 report_thread_stats();
4180_1 0:3588d7473dce 71
4180_1 0:3588d7473dce 72 // Clear next line to separate subsequent report logs
4180_1 0:3588d7473dce 73 printf("\r\n");
4180_1 0:3588d7473dce 74 }
4180_1 0:3588d7473dce 75
4180_1 0:3588d7473dce 76 /**
4180_1 0:3588d7473dce 77 * Report CPU idle and awake time in terms of percentage
4180_1 0:3588d7473dce 78 */
4180_1 0:3588d7473dce 79 void report_cpu_stats(void)
4180_1 0:3588d7473dce 80 {
4180_1 0:3588d7473dce 81 static uint64_t prev_idle_time = 0;
4180_1 0:3588d7473dce 82
4180_1 0:3588d7473dce 83 printf("================= CPU STATS =================\r\n");
4180_1 0:3588d7473dce 84
4180_1 0:3588d7473dce 85 // Collect and print cpu stats
4180_1 0:3588d7473dce 86 mbed_stats_cpu_get(&cpu_stats);
4180_1 0:3588d7473dce 87
4180_1 0:3588d7473dce 88 uint64_t diff = (cpu_stats.idle_time - prev_idle_time);
4180_1 0:3588d7473dce 89 uint8_t idle = (diff * 100) / (sample_time_ms * 1000); // usec;
4180_1 0:3588d7473dce 90 uint8_t usage = 100 - ((diff * 100) / (sample_time_ms * 1000)); // usec;;
4180_1 0:3588d7473dce 91 prev_idle_time = cpu_stats.idle_time;
4180_1 0:3588d7473dce 92
4180_1 0:3588d7473dce 93 printf("Idle: %d%% Usage: %d%% \r\n", idle, usage);
4180_1 0:3588d7473dce 94 }
4180_1 0:3588d7473dce 95
4180_1 0:3588d7473dce 96 /**
4180_1 0:3588d7473dce 97 * Report current heap stats. Current heap refers to the current amount of
4180_1 0:3588d7473dce 98 * allocated heap. Max heap refers to the highest amount of heap allocated
4180_1 0:3588d7473dce 99 * since reset.
4180_1 0:3588d7473dce 100 */
4180_1 0:3588d7473dce 101 void report_heap_stats(void)
4180_1 0:3588d7473dce 102 {
4180_1 0:3588d7473dce 103 printf("================ HEAP STATS =================\r\n");
4180_1 0:3588d7473dce 104
4180_1 0:3588d7473dce 105 // Collect and print heap stats
4180_1 0:3588d7473dce 106 mbed_stats_heap_get(&heap_stats);
4180_1 0:3588d7473dce 107
4180_1 0:3588d7473dce 108 printf("Current heap: %" PRIu32 "\r\n", heap_stats.current_size);
4180_1 0:3588d7473dce 109 printf("Max heap size: %" PRIu32 "\r\n", heap_stats.max_size);
4180_1 0:3588d7473dce 110 }
4180_1 0:3588d7473dce 111
4180_1 0:3588d7473dce 112 /**
4180_1 0:3588d7473dce 113 * Report active thread stats
4180_1 0:3588d7473dce 114 */
4180_1 0:3588d7473dce 115 void report_thread_stats(void)
4180_1 0:3588d7473dce 116 {
4180_1 0:3588d7473dce 117 printf("================ THREAD STATS ===============\r\n");
4180_1 0:3588d7473dce 118
4180_1 0:3588d7473dce 119 // Collect and print running thread stats
4180_1 0:3588d7473dce 120 int count = mbed_stats_thread_get_each(thread_stats, max_thread_count);
4180_1 0:3588d7473dce 121
4180_1 0:3588d7473dce 122 for (int i = 0; i < count; i++) {
4180_1 0:3588d7473dce 123 printf("ID: 0x%" PRIx32 " \r\n", thread_stats[i].id);
4180_1 0:3588d7473dce 124 printf("Name: %s \r\n", thread_stats[i].name);
4180_1 0:3588d7473dce 125 printf("State: %" PRIu32 " \r\n", thread_stats[i].state);
4180_1 0:3588d7473dce 126 printf("Priority: %" PRIu32 " \r\n", thread_stats[i].priority);
4180_1 0:3588d7473dce 127 printf("Stack Size: %" PRIu32 " \r\n", thread_stats[i].stack_size);
4180_1 0:3588d7473dce 128 printf("Stack Space: %" PRIu32 " \r\n", thread_stats[i].stack_space);
4180_1 0:3588d7473dce 129 }
4180_1 0:3588d7473dce 130 }
4180_1 0:3588d7473dce 131 };
4180_1 0:3588d7473dce 132
4180_1 0:3588d7473dce 133 #endif // STATS_REPORT_H