NTUES lab 2 BLE
Dependencies: mbed X_NUCLEO_IDB0XA1 BLE_API
Revision 0:088a3171bdab, committed 2019-05-14
- Comitter:
- whz861025
- Date:
- Tue May 14 12:45:44 2019 +0000
- Commit message:
- heartRate ble done;
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/.gitignore Tue May 14 12:45:44 2019 +0000 @@ -0,0 +1,4 @@ +.build +.mbed +projectfiles +*.py*
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/BLE_API.lib Tue May 14 12:45:44 2019 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/teams/Bluetooth-Low-Energy/code/BLE_API/#65474dc93927
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/CONTRIBUTING.md Tue May 14 12:45:44 2019 +0000 @@ -0,0 +1,5 @@ +# Contributing to Mbed OS + +Mbed OS is an open-source, device software platform for the Internet of Things. Contributions are an important part of the platform, and our goal is to make it as simple as possible to become a contributor. + +To encourage productive collaboration, as well as robust, consistent and maintainable code, we have a set of guidelines for [contributing to Mbed OS](https://os.mbed.com/docs/mbed-os/latest/contributing/index.html).
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/README.md Tue May 14 12:45:44 2019 +0000 @@ -0,0 +1,152 @@ +# Getting started example for Mbed OS + +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).) + +Please install [Mbed CLI](https://github.com/ARMmbed/mbed-cli#installing-mbed-cli). + +## Import the example application + +From the command-line, import the example: + +``` +mbed import mbed-os-example-blinky +cd mbed-os-example-blinky +``` + +### Now compile + +Invoke `mbed compile`, and specify the name of your platform and your favorite toolchain (`GCC_ARM`, `ARM`, `IAR`). For example, for the Arm Compiler: + +``` +mbed compile -m K64F -t ARM +``` + +Your PC may take a few minutes to compile your code. At the end, you see the following result: + +``` +[snip] + +Image: ./BUILD/K64F/GCC_ARM/mbed-os-example-blinky.bin +``` + +### Program your board + +1. Connect your Mbed device to the computer over USB. +1. Copy the binary file to the Mbed device. +1. Press the reset button to start the program. + +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: + +* System Information: + * Mbed OS Version: Will currently default to 999999 + * Compiler ID + * ARM = 1 + * GCC_ARM = 2 + * IAR = 3 + * [CPUID Register Information](#cpuid-register-information) + * [Compiler Version](#compiler-version) +* CPU Statistics + * Percentage of runtime that the device has spent awake versus in sleep +* Heap Statistics + * Current heap size + * Max heap size which refers to the largest the heap has grown to +* Thread Statistics + * Provides information on all running threads in the OS including + * Thread ID + * Thread Name + * Thread State + * Thread Priority + * Thread Stack Size + * Thread Stack Space + +#### Compiler Version + +| Compiler | Version Layout | +| -------- | -------------- | +| ARM | PVVbbbb (P = Major; VV = Minor; bbbb = build number) | +| GCC | VVRRPP (VV = Version; RR = Revision; PP = Patch) | +| IAR | VRRRPPP (V = Version; RRR = Revision; PPP = Patch) | + +#### CPUID Register Information + +| Bit Field | Field Description | Values | +| --------- | ----------------- | ------ | +|[31:24] | Implementer | 0x41 = ARM | +|[23:20] | Variant | Major revision 0x0 = Revision 0 | +|[19:16] | Architecture | 0xC = Baseline Architecture | +| | | 0xF = Constant (Mainline Architecture) | +|[15:4] | Part Number | 0xC20 = Cortex-M0 | +| | | 0xC60 = Cortex-M0+ | +| | | 0xC23 = Cortex-M3 | +| | | 0xC24 = Cortex-M4 | +| | | 0xC27 = Cortex-M7 | +| | | 0xD20 = Cortex-M23 | +| | | 0xD21 = Cortex-M33 | +|[3:0] | Revision | Minor revision: 0x1 = Patch 1 | + + + +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). + + +### Output + +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. + +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). + +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): + +``` +=============================== SYSTEM INFO ================================ +Mbed OS Version: 999999 +CPU ID: 0x410fc241 +Compiler ID: 2 +Compiler Version: 60300 +RAM0: Start 0x20000000 Size: 0x30000 +RAM1: Start 0x1fff0000 Size: 0x10000 +ROM0: Start 0x0 Size: 0x100000 +================= CPU STATS ================= +Idle: 98% Usage: 2% +================ HEAP STATS ================= +Current heap: 1096 +Max heap size: 1096 +================ THREAD STATS =============== +ID: 0x20001eac +Name: main_thread +State: 2 +Priority: 24 +Stack Size: 4096 +Stack Space: 3296 + +ID: 0x20000f5c +Name: idle_thread +State: 1 +Priority: 1 +Stack Size: 512 +Stack Space: 352 + +ID: 0x20000f18 +Name: timer_thread +State: 3 +Priority: 40 +Stack Size: 768 +Stack Space: 664 + +``` + +## Troubleshooting + +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. + +## Related Links + +* [Mbed OS Stats API](https://os.mbed.com/docs/latest/apis/mbed-statistics.html) +* [Mbed OS Configuration](https://os.mbed.com/docs/latest/reference/configuration.html) +* [Mbed OS Serial Communication](https://os.mbed.com/docs/latest/tutorials/serial-communication.html) + +### License and contributions + +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. + +This project contains code from other projects. The original license text is included in those source files. They must comply with our license guide.
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/X_NUCLEO_IDB0XA1.lib Tue May 14 12:45:44 2019 +0000 @@ -0,0 +1,1 @@ +http://developer.mbed.org/teams/ST/code/X_NUCLEO_IDB0XA1/#fa98703ece8e
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Tue May 14 12:45:44 2019 +0000 @@ -0,0 +1,102 @@ +#include "mbed.h" +#include "BLE_API/ble/BLE.h" +#include "BLE_API/ble/services/HeartRateService.h" +#include "BLE_API/ble/services/BatteryService.h" +#include "BLE_API/ble/services/DeviceInformationService.h" + +DigitalOut led(LED1, 1); + +Ticker update; +Ticker aliveness; + +const static char DEVICE_NAME[] = "HELLO"; +static const uint16_t uuid16_list[] = {GattService::UUID_HEART_RATE_SERVICE, + GattService::UUID_BATTERY_SERVICE, + GattService::UUID_DEVICE_INFORMATION_SERVICE}; + +static volatile bool triggerSensorPolling = false; + +void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params) +{ + (void)params; + BLE::Instance().gap().startAdvertising(); // restart advertising +} + +void update_handler(void) +{ + triggerSensorPolling = true; +} + +void aliveness_handler(void) +{ + led = !led; +} + +void onBleInitError(BLE &ble, ble_error_t error) +{ + (void)ble; + (void)error; + /* Initialization error handling should go here */ +} + +void bleInitComplete(BLE::InitializationCompleteCallbackContext *params) +{ + BLE& ble = params->ble; + ble_error_t error = params->error; + + if (error != BLE_ERROR_NONE) { + onBleInitError(ble, error); + return; + } + + + ble.gap().onDisconnection(disconnectionCallback); + + /* Setup primary service. */ + uint8_t hrmCounter = 80; // init HRM to 60bps + HeartRateService hrService(ble, hrmCounter, HeartRateService::LOCATION_FINGER); + + /* Setup auxiliary service. */ + uint8_t batterylevel = 25; + BatteryService battery(ble, batterylevel); + DeviceInformationService deviceInfo(ble, "ST", "Nucleo", "SN1" ); + /* Setup advertising. */ + ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE); + ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, (uint8_t *)uuid16_list, sizeof(uuid16_list)); + ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::GENERIC_HEART_RATE_SENSOR); + ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME)); + ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED); + ble.gap().setAdvertisingInterval(1000); /* 1000ms */ + ble.gap().startAdvertising(); + + // infinite loop + while (true) { + // check for trigger from periodicCallback() + if (triggerSensorPolling && ble.getGapState().connected) { + triggerSensorPolling = false; + + // Do blocking calls or whatever is necessary for sensor polling. + // In our case, we simply update the HRM measurement. + hrmCounter++; + + // 60 <= HRM bps <= 120 + if (hrmCounter == 120) { + hrmCounter = 60; + } + + // update bps + hrService.updateHeartRate(hrmCounter); + } else { + ble.waitForEvent(); // low power wait for event + } + } +} + +int main(void) +{ + update.attach(update_handler, 1); + aliveness.attach(aliveness_handler,0.5); + + + BLE::Instance().init(bleInitComplete); +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Tue May 14 12:45:44 2019 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/mbed_official/code/mbed/builds/65be27845400 \ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed_app.json Tue May 14 12:45:44 2019 +0000 @@ -0,0 +1,11 @@ +{ + "target_overrides": { + "*": { + "platform.stack-stats-enabled": true, + "platform.heap-stats-enabled": true, + "platform.cpu-stats-enabled": true, + "platform.thread-stats-enabled": true, + "platform.sys-stats-enabled": true + } + } +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/stats_report.h Tue May 14 12:45:44 2019 +0000 @@ -0,0 +1,132 @@ +/* mbed Microcontroller Library + * Copyright (c) 2018 ARM Limited + * SPDX-License-Identifier: Apache-2.0 + */ + +#ifndef STATS_REPORT_H +#define STATS_REPORT + +#include "mbed.h" + +/** + * System Reporting library. Provides runtime information on device: + * - CPU sleep, idle, and wake times + * - Heap and stack usage + * - Thread information + * - Static system information + */ +class SystemReport { + mbed_stats_heap_t heap_stats; + mbed_stats_cpu_t cpu_stats; + mbed_stats_sys_t sys_stats; + + mbed_stats_thread_t *thread_stats; + uint8_t thread_count; + uint8_t max_thread_count; + uint32_t sample_time_ms; + +public: + /** + * SystemReport - Sample rate in ms is required to handle the CPU percent awake logic + */ + SystemReport(uint32_t sample_rate) : max_thread_count(8), sample_time_ms(sample_rate) + { + thread_stats = new mbed_stats_thread_t[max_thread_count]; + + // Collect the static system information + mbed_stats_sys_get(&sys_stats); + + printf("=============================== SYSTEM INFO ================================\r\n"); + printf("Mbed OS Version: %ld \r\n", sys_stats.os_version); + printf("CPU ID: 0x%lx \r\n", sys_stats.cpu_id); + printf("Compiler ID: %d \r\n", sys_stats.compiler_id); + printf("Compiler Version: %ld \r\n", sys_stats.compiler_version); + + for (int i = 0; i < MBED_MAX_MEM_REGIONS; i++) { + if (sys_stats.ram_size[i] != 0) { + printf("RAM%d: Start 0x%lx Size: 0x%lx \r\n", i, sys_stats.ram_start[i], sys_stats.ram_size[i]); + } + } + for (int i = 0; i < MBED_MAX_MEM_REGIONS; i++) { + if (sys_stats.rom_size[i] != 0) { + printf("ROM%d: Start 0x%lx Size: 0x%lx \r\n", i, sys_stats.rom_start[i], sys_stats.rom_size[i]); + } + } + } + + ~SystemReport(void) + { + free(thread_stats); + } + + /** + * Report on each Mbed OS Platform stats API + */ + void report_state(void) + { + report_cpu_stats(); + report_heap_stats(); + report_thread_stats(); + + // Clear next line to separate subsequent report logs + printf("\r\n"); + } + + /** + * Report CPU idle and awake time in terms of percentage + */ + void report_cpu_stats(void) + { + static uint64_t prev_idle_time = 0; + + printf("================= CPU STATS =================\r\n"); + + // Collect and print cpu stats + mbed_stats_cpu_get(&cpu_stats); + + uint64_t diff = (cpu_stats.idle_time - prev_idle_time); + uint8_t idle = (diff * 100) / (sample_time_ms * 1000); // usec; + uint8_t usage = 100 - ((diff * 100) / (sample_time_ms * 1000)); // usec;; + prev_idle_time = cpu_stats.idle_time; + + printf("Idle: %d%% Usage: %d%% \r\n", idle, usage); + } + + /** + * Report current heap stats. Current heap refers to the current amount of + * allocated heap. Max heap refers to the highest amount of heap allocated + * since reset. + */ + void report_heap_stats(void) + { + printf("================ HEAP STATS =================\r\n"); + + // Collect and print heap stats + mbed_stats_heap_get(&heap_stats); + + printf("Current heap: %lu\r\n", heap_stats.current_size); + printf("Max heap size: %lu\r\n", heap_stats.max_size); + } + + /** + * Report active thread stats + */ + void report_thread_stats(void) + { + printf("================ THREAD STATS ===============\r\n"); + + // Collect and print running thread stats + int count = mbed_stats_thread_get_each(thread_stats, max_thread_count); + + for (int i = 0; i < count; i++) { + printf("ID: 0x%lx \r\n", thread_stats[i].id); + printf("Name: %s \r\n", thread_stats[i].name); + printf("State: %ld \r\n", thread_stats[i].state); + printf("Priority: %ld \r\n", thread_stats[i].priority); + printf("Stack Size: %ld \r\n", thread_stats[i].stack_size); + printf("Stack Space: %ld \r\n", thread_stats[i].stack_space); + } + } +}; + +#endif // STATS_REPORT_H