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.

README.md@2:21d14147254e, 2019-09-24 (annotated)

Committer:
4180_1
Date:
Tue Sep 24 18:16:27 2019 +0000
Revision:
2:21d14147254e
Parent:
0:3588d7473dce 
ver 1.1

Who changed what in which revision?

UserRevisionLine numberNew contents of line
4180_1 0:3588d7473dce 1 # Getting started example for Mbed OS
4180_1 0:3588d7473dce 2
4180_1 0:3588d7473dce 3 This guide reviews the steps required to get Blinky with the addition of dynamic OS statistics working on an Mbed OS platform. (Note: To see a rendered example you can import into the Arm Online Compiler, please see our [quick start](https://os.mbed.com/docs/mbed-os/latest/quick-start/online-with-the-online-compiler.html#importing-the-code).)
4180_1 0:3588d7473dce 4
4180_1 0:3588d7473dce 5 Please install [Mbed CLI](https://github.com/ARMmbed/mbed-cli#installing-mbed-cli).
4180_1 0:3588d7473dce 6
4180_1 0:3588d7473dce 7 ## Import the example application
4180_1 0:3588d7473dce 8
4180_1 0:3588d7473dce 9 From the command-line, import the example:
4180_1 0:3588d7473dce 10
4180_1 0:3588d7473dce 11 ```
4180_1 0:3588d7473dce 12 mbed import mbed-os-example-blinky
4180_1 0:3588d7473dce 13 cd mbed-os-example-blinky
4180_1 0:3588d7473dce 14 ```
4180_1 0:3588d7473dce 15
4180_1 0:3588d7473dce 16 ### Now compile
4180_1 0:3588d7473dce 17
4180_1 0:3588d7473dce 18 Invoke `mbed compile`, and specify the name of your platform and your favorite toolchain (`GCC_ARM`, `ARM`, `IAR`). For example, for the Arm Compiler:
4180_1 0:3588d7473dce 19
4180_1 0:3588d7473dce 20 ```
4180_1 0:3588d7473dce 21 mbed compile -m K64F -t ARM
4180_1 0:3588d7473dce 22 ```
4180_1 0:3588d7473dce 23
4180_1 0:3588d7473dce 24 Your PC may take a few minutes to compile your code. At the end, you see the following result:
4180_1 0:3588d7473dce 25
4180_1 0:3588d7473dce 26 ```
4180_1 0:3588d7473dce 27 [snip]
4180_1 0:3588d7473dce 28
4180_1 0:3588d7473dce 29 Image: ./BUILD/K64F/GCC_ARM/mbed-os-example-blinky.bin
4180_1 0:3588d7473dce 30 ```
4180_1 0:3588d7473dce 31
4180_1 0:3588d7473dce 32 ### Program your board
4180_1 0:3588d7473dce 33
4180_1 0:3588d7473dce 34 1. Connect your Mbed device to the computer over USB.
4180_1 0:3588d7473dce 35 1. Copy the binary file to the Mbed device.
4180_1 0:3588d7473dce 36 1. Press the reset button to start the program.
4180_1 0:3588d7473dce 37
4180_1 0:3588d7473dce 38 The LED on your platform turns on and off. The main thread will additionally take a snapshot of the device's runtime statistics and display it over serial to your PC. The snapshot includes:
4180_1 0:3588d7473dce 39
4180_1 0:3588d7473dce 40 * System Information:
4180_1 0:3588d7473dce 41 * Mbed OS Version: Will currently default to 999999
4180_1 0:3588d7473dce 42 * Compiler ID
4180_1 0:3588d7473dce 43 * ARM = 1
4180_1 0:3588d7473dce 44 * GCC_ARM = 2
4180_1 0:3588d7473dce 45 * IAR = 3
4180_1 0:3588d7473dce 46 * [CPUID Register Information](#cpuid-register-information)
4180_1 0:3588d7473dce 47 * [Compiler Version](#compiler-version)
4180_1 0:3588d7473dce 48 * CPU Statistics
4180_1 0:3588d7473dce 49 * Percentage of runtime that the device has spent awake versus in sleep
4180_1 0:3588d7473dce 50 * Heap Statistics
4180_1 0:3588d7473dce 51 * Current heap size
4180_1 0:3588d7473dce 52 * Max heap size which refers to the largest the heap has grown to
4180_1 0:3588d7473dce 53 * Thread Statistics
4180_1 0:3588d7473dce 54 * Provides information on all running threads in the OS including
4180_1 0:3588d7473dce 55 * Thread ID
4180_1 0:3588d7473dce 56 * Thread Name
4180_1 0:3588d7473dce 57 * Thread State
4180_1 0:3588d7473dce 58 * Thread Priority
4180_1 0:3588d7473dce 59 * Thread Stack Size
4180_1 0:3588d7473dce 60 * Thread Stack Space
4180_1 0:3588d7473dce 61
4180_1 0:3588d7473dce 62 #### Compiler Version
4180_1 0:3588d7473dce 63
4180_1 0:3588d7473dce 64 | Compiler | Version Layout |
4180_1 0:3588d7473dce 65 | -------- | -------------- |
4180_1 0:3588d7473dce 66 | ARM | PVVbbbb (P = Major; VV = Minor; bbbb = build number) |
4180_1 0:3588d7473dce 67 | GCC | VVRRPP (VV = Version; RR = Revision; PP = Patch) |
4180_1 0:3588d7473dce 68 | IAR | VRRRPPP (V = Version; RRR = Revision; PPP = Patch) |
4180_1 0:3588d7473dce 69
4180_1 0:3588d7473dce 70 #### CPUID Register Information
4180_1 0:3588d7473dce 71
4180_1 0:3588d7473dce 72 | Bit Field | Field Description | Values |
4180_1 0:3588d7473dce 73 | --------- | ----------------- | ------ |
4180_1 0:3588d7473dce 74 |[31:24] | Implementer | 0x41 = ARM |
4180_1 0:3588d7473dce 75 |[23:20] | Variant | Major revision 0x0 = Revision 0 |
4180_1 0:3588d7473dce 76 |[19:16] | Architecture | 0xC = Baseline Architecture |
4180_1 0:3588d7473dce 77 | | | 0xF = Constant (Mainline Architecture) |
4180_1 0:3588d7473dce 78 |[15:4] | Part Number | 0xC20 = Cortex-M0 |
4180_1 0:3588d7473dce 79 | | | 0xC60 = Cortex-M0+ |
4180_1 0:3588d7473dce 80 | | | 0xC23 = Cortex-M3 |
4180_1 0:3588d7473dce 81 | | | 0xC24 = Cortex-M4 |
4180_1 0:3588d7473dce 82 | | | 0xC27 = Cortex-M7 |
4180_1 0:3588d7473dce 83 | | | 0xD20 = Cortex-M23 |
4180_1 0:3588d7473dce 84 | | | 0xD21 = Cortex-M33 |
4180_1 0:3588d7473dce 85 |[3:0] | Revision | Minor revision: 0x1 = Patch 1 |
4180_1 0:3588d7473dce 86
4180_1 0:3588d7473dce 87
4180_1 0:3588d7473dce 88
4180_1 0:3588d7473dce 89 You can view individual examples and additional API information of the statistics collection tools at the bottom of the page in the [related links section](#related-links).
4180_1 0:3588d7473dce 90
4180_1 0:3588d7473dce 91
4180_1 0:3588d7473dce 92 ### Output
4180_1 0:3588d7473dce 93
4180_1 0:3588d7473dce 94 To view the serial output you can use any terminal client of your choosing such as [PuTTY](http://www.putty.org/) or [CoolTerm](http://freeware.the-meiers.org/). Unless otherwise specified, printf defaults to a baud rate of 9600 on Mbed OS.
4180_1 0:3588d7473dce 95
4180_1 0:3588d7473dce 96 You can find more information on the Mbed OS configuration tools and serial communication in Mbed OS in the related [related links section](#related-links).
4180_1 0:3588d7473dce 97
4180_1 0:3588d7473dce 98 The output should contain the following block transmitted at the blinking LED frequency (actual values may vary depending on your target, build profile, and toolchain):
4180_1 0:3588d7473dce 99
4180_1 0:3588d7473dce 100 ```
4180_1 0:3588d7473dce 101 =============================== SYSTEM INFO ================================
4180_1 0:3588d7473dce 102 Mbed OS Version: 999999
4180_1 0:3588d7473dce 103 CPU ID: 0x410fc241
4180_1 0:3588d7473dce 104 Compiler ID: 2
4180_1 0:3588d7473dce 105 Compiler Version: 60300
4180_1 0:3588d7473dce 106 RAM0: Start 0x20000000 Size: 0x30000
4180_1 0:3588d7473dce 107 RAM1: Start 0x1fff0000 Size: 0x10000
4180_1 0:3588d7473dce 108 ROM0: Start 0x0 Size: 0x100000
4180_1 0:3588d7473dce 109 ================= CPU STATS =================
4180_1 0:3588d7473dce 110 Idle: 98% Usage: 2%
4180_1 0:3588d7473dce 111 ================ HEAP STATS =================
4180_1 0:3588d7473dce 112 Current heap: 1096
4180_1 0:3588d7473dce 113 Max heap size: 1096
4180_1 0:3588d7473dce 114 ================ THREAD STATS ===============
4180_1 0:3588d7473dce 115 ID: 0x20001eac
4180_1 0:3588d7473dce 116 Name: main_thread
4180_1 0:3588d7473dce 117 State: 2
4180_1 0:3588d7473dce 118 Priority: 24
4180_1 0:3588d7473dce 119 Stack Size: 4096
4180_1 0:3588d7473dce 120 Stack Space: 3296
4180_1 0:3588d7473dce 121
4180_1 0:3588d7473dce 122 ID: 0x20000f5c
4180_1 0:3588d7473dce 123 Name: idle_thread
4180_1 0:3588d7473dce 124 State: 1
4180_1 0:3588d7473dce 125 Priority: 1
4180_1 0:3588d7473dce 126 Stack Size: 512
4180_1 0:3588d7473dce 127 Stack Space: 352
4180_1 0:3588d7473dce 128
4180_1 0:3588d7473dce 129 ID: 0x20000f18
4180_1 0:3588d7473dce 130 Name: timer_thread
4180_1 0:3588d7473dce 131 State: 3
4180_1 0:3588d7473dce 132 Priority: 40
4180_1 0:3588d7473dce 133 Stack Size: 768
4180_1 0:3588d7473dce 134 Stack Space: 664
4180_1 0:3588d7473dce 135
4180_1 0:3588d7473dce 136 ```
4180_1 0:3588d7473dce 137
4180_1 0:3588d7473dce 138 ## Troubleshooting
4180_1 0:3588d7473dce 139
4180_1 0:3588d7473dce 140 If you have problems, you can review the [documentation](https://os.mbed.com/docs/latest/tutorials/debugging.html) for suggestions on what could be wrong and how to fix it.
4180_1 0:3588d7473dce 141
4180_1 0:3588d7473dce 142 ## Related Links
4180_1 0:3588d7473dce 143
4180_1 0:3588d7473dce 144 * [Mbed OS Stats API](https://os.mbed.com/docs/latest/apis/mbed-statistics.html)
4180_1 0:3588d7473dce 145 * [Mbed OS Configuration](https://os.mbed.com/docs/latest/reference/configuration.html)
4180_1 0:3588d7473dce 146 * [Mbed OS Serial Communication](https://os.mbed.com/docs/latest/tutorials/serial-communication.html)
4180_1 0:3588d7473dce 147
4180_1 0:3588d7473dce 148 ### License and contributions
4180_1 0:3588d7473dce 149
4180_1 0:3588d7473dce 150 The software is provided under Apache-2.0 license. Contributions to this project are accepted under the same license. Please see contributing.md for more info.
4180_1 0:3588d7473dce 151
4180_1 0:3588d7473dce 152 This project contains code from other projects. The original license text is included in those source files. They must comply with our license guide.