TINF_6ABEL18
Werluschnig: Aufgabe 7, 2 Threads, Temp Werte, Consumer, Producer
Revision 0:f5de9cd30ded, committed 2019-04-29
- Comitter:
- martwerl
- Date:
- Mon Apr 29 14:58:34 2019 +0000
- Commit message:
- Werluschnig: Aufgabe 7, zwei Threads, Tempwerte, Consumer, Producer;
Changed in this revision
diff -r 000000000000 -r f5de9cd30ded .gitignore --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/.gitignore Mon Apr 29 14:58:34 2019 +0000 @@ -0,0 +1,4 @@ +.build +.mbed +projectfiles +*.py*
diff -r 000000000000 -r f5de9cd30ded C12832.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/C12832.lib Mon Apr 29 14:58:34 2019 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/askksa12543/code/C12832/#990d5eec2ef6
diff -r 000000000000 -r f5de9cd30ded CONTRIBUTING.md --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/CONTRIBUTING.md Mon Apr 29 14:58:34 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).
diff -r 000000000000 -r f5de9cd30ded LM75B.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/LM75B.lib Mon Apr 29 14:58:34 2019 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/chris/code/LM75B/#6a70c9303bbe
diff -r 000000000000 -r f5de9cd30ded README.md --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/README.md Mon Apr 29 14:58:34 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.
diff -r 000000000000 -r f5de9cd30ded main.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Mon Apr 29 14:58:34 2019 +0000
@@ -0,0 +1,100 @@
+#include "mbed.h"
+#include "C12832.h" //by Kevin Anderson
+#include "LM75B.h" //by Chris Styles
+
+
+#define MAX_BUF 3
+
+C12832 lcd(p5,p7,p6,p8,p11);
+InterruptIn btn(p14);//Joystick Center
+LM75B tmp(p28,p27);
+
+EventQueue con_queue, pro_queue;
+Thread consumer;
+Thread producer;
+
+
+class CircularBuffer1
+{
+
+private:
+ Semaphore s_con, s_pro;
+ Mutex mutex_con, mutex_pro;
+ float buffer[MAX_BUF];
+ int occupiedBufferCount;
+ int readLocation;
+ int writeLocation;
+
+public:
+ CircularBuffer1():s_con(0), s_pro(0)
+ {
+ occupiedBufferCount=0;
+ readLocation=0;
+ writeLocation=0;
+ }
+ float getBuffer()
+ {
+ mutex_con.lock();
+ if (occupiedBufferCount == 0)
+ {
+ printf("Buffer empty\r\n");//Ausgabe HTerm
+ s_pro.release();//Semaphore
+ s_con.wait();
+ }
+
+ float readValue = buffer[readLocation];
+ occupiedBufferCount--;
+ readLocation = (readLocation + 1) % MAX_BUF;
+ mutex_con.unlock();
+ return readValue;
+ }
+ void setBuffer(float value)
+ {
+ mutex_pro.lock();
+ if (occupiedBufferCount == MAX_BUF)
+ {
+ printf("Buffer full\r\n");//Ausgabe HTerm
+ s_con.release();//Semaphore
+ s_pro.wait();
+ }
+
+ buffer[writeLocation] = value;
+ printf("occupiedBufferCount: %i \n", occupiedBufferCount);//Ausgabe HTerm
+ occupiedBufferCount++;
+ writeLocation = (writeLocation + 1) % MAX_BUF;
+ mutex_pro.unlock();
+
+ }
+};
+
+
+CircularBuffer1 cb;
+
+void consumer_worker()
+{
+ float temp = cb.getBuffer();
+ printf("Temperatur: %.2f\n",temp);//Ausgabe HTerm
+ lcd.locate(10,10);
+ lcd.printf("Temperatur: %.2f", temp);//Ausgabe LCD
+
+}
+
+void producer_worker()
+{
+ cb.setBuffer(tmp.read());//Class CircularBuffer1
+}
+
+void btn_pressed()
+{
+ con_queue.call(consumer_worker);//Event Queue Consumer
+}
+
+int main()
+{
+ btn.fall(&btn_pressed);//Joystick Center drücken
+ pro_queue.call_every(1000, producer_worker);//jede Sekunde
+
+ consumer.start(callback(&con_queue, &EventQueue::dispatch_forever));//Queue dispatch event ohne timeout
+ producer.start(callback(&pro_queue, &EventQueue::dispatch_forever));
+
+}
diff -r 000000000000 -r f5de9cd30ded mbed-os.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-os.lib Mon Apr 29 14:58:34 2019 +0000 @@ -0,0 +1,1 @@ +https://github.com/ARMmbed/mbed-os/#0063e5de32fc575f061244c96ac60c41c07bd2e6
diff -r 000000000000 -r f5de9cd30ded mbed_app.json
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed_app.json Mon Apr 29 14:58:34 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
+ }
+ }
+}
diff -r 000000000000 -r f5de9cd30ded stats_report.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/stats_report.h Mon Apr 29 14:58:34 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