Marek Vitula
Simple implementation of goal counter for table football using laser diode and phototransistor.
Dependencies: GoalCounter WS2812 PixelArray
Revision 0:24f846b68c77, committed 2019-01-10
- Comitter:
- nxf46245
- Date:
- Thu Jan 10 14:48:03 2019 +0000
- Child:
- 1:ffac56d434b3
- Commit message:
- implementation of Goal Counter class
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/.gitignore Thu Jan 10 14:48:03 2019 +0000 @@ -0,0 +1,4 @@ +.build +.mbed +projectfiles +*.py*
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/GoalCounter.cpp Thu Jan 10 14:48:03 2019 +0000
@@ -0,0 +1,59 @@
+#include "GoalCounter.h"
+
+GoalCounter::GoalCounter(PinName pin) : _interrupt(pin) {
+ _interrupt.fall(this, &GoalCounter::tstart);
+ _interrupt.rise(this, &GoalCounter::tstop);
+// _balltimes = {0};
+ _score= 0;
+}
+
+void GoalCounter::tstart() {
+ t.start();
+}
+
+void GoalCounter::tstop() {
+ t.stop();
+ _time = t.read();
+ t.reset();
+
+ if ( _time > 0 && _time < 2 && _score < 10) {
+ _balltimes[++_score] = _time;
+ goal = 1;
+// wait(1);
+ }
+}
+
+uint8_t GoalCounter::get_score() {
+ return _score;
+}
+
+float GoalCounter::get_balltime(uint8_t score) {
+ if (score <= 10 && score > 0)
+ return _balltimes[score];
+ else
+ return -1;
+}
+
+float GoalCounter::get_balltime() {
+ return _balltimes[_score];
+
+}
+
+float GoalCounter::get_ballspeed(uint8_t score) {
+ if (score <= 10 && score > 0) {
+ float speed = 0.034f/_balltimes[score]*3.6f;
+ return speed;
+ }
+ else
+ return -1;
+}
+
+float GoalCounter::get_ballspeed() {
+ float speed = 0.034f/_balltimes[_score]*3.6f;
+ return speed;
+}
+
+
+
+
+
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/GoalCounter.h Thu Jan 10 14:48:03 2019 +0000
@@ -0,0 +1,24 @@
+#include "mbed.h"
+
+class GoalCounter {
+public:
+ GoalCounter(PinName pin);
+ void tstart();
+ void tstop();
+ uint8_t get_score();
+ float get_balltime(uint8_t score);
+ float get_balltime();
+ float get_ballspeed(uint8_t score);
+ float get_ballspeed();
+ char goal;
+
+
+private:
+ InterruptIn _interrupt;
+ volatile uint8_t _score;
+ Timer t;
+ float _balltimes[11];
+ float _time; //
+
+};
+
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/PixelArray.lib Thu Jan 10 14:48:03 2019 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/chris/code/PixelArray/#b45a70faaa83
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/README.md Thu Jan 10 14:48:03 2019 +0000 @@ -0,0 +1,164 @@ +# 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. + +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 5: + +``` +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] ++----------------------------+-------+-------+------+ +| Module | .text | .data | .bss | +|--------------------|-----------|----------|----------| +| [fill] | 98(+0) | 0(+0) | 2211(+0) | +| [lib]/c.a | 27835(+0) | 2472(+0) | 89(+0) | +| [lib]/gcc.a | 3168(+0) | 0(+0) | 0(+0) | +| [lib]/misc | 248(+0) | 8(+0) | 28(+0) | +| [lib]/nosys.a | 32(+0) | 0(+0) | 0(+0) | +| main.o | 924(+0) | 0(+0) | 12(+0) | +| mbed-os/components | 134(+0) | 0(+0) | 0(+0) | +| mbed-os/drivers | 56(+0) | 0(+0) | 0(+0) | +| mbed-os/features | 42(+0) | 0(+0) | 184(+0) | +| mbed-os/hal | 2087(+0) | 8(+0) | 152(+0) | +| mbed-os/platform | 3633(+0) | 260(+0) | 209(+0) | +| mbed-os/rtos | 9370(+0) | 168(+0) | 6053(+0) | +| mbed-os/targets | 9536(+0) | 12(+0) | 382(+0) | +| Subtotals | 57163(+0) | 2928(+0) | 9320(+0) | +Total Static RAM memory (data + bss): 12248(+0) bytes +Total Flash memory (text + data): 60091(+0) bytes + +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/). + +The default baud rate for this application is set to `115200` and may be modified in the `mbed_app.json` file. + +You can find more information on the Mbed OS configuration tools and serail 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 +================= 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)
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/WS2812.lib Thu Jan 10 14:48:03 2019 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/bridadan/code/WS2812/#6e647820f587
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Thu Jan 10 14:48:03 2019 +0000
@@ -0,0 +1,97 @@
+#include "mbed.h"
+#include "WS2812.h"
+#include "PixelArray.h"
+#include "GoalCounter.h"
+
+#define WS2812_BUF 10
+#define NUM_COLORS 1
+#define NUM_LEDS_PER_COLOR 2
+#define COLOR 0x2f2020
+
+// Initialize instace of a pixel array for LED strip
+PixelArray px(WS2812_BUF);
+
+// The given numbers are for the K64F MCU
+WS2812 ws(D4, WS2812_BUF, 0, 5, 5, 0);
+GoalCounter gc(D2);
+
+//// Detector for the
+//InterruptIn detector1(D3);
+//InterruptIn detector2(D2);
+//
+//DigitalOut led1(LED1);
+//DigitalOut led2(LED2);
+//
+//Timer t;
+Serial pc(USBTX, USBRX);
+//
+float balltime = 0;
+float speed = 0;
+uint8_t score_1 = 0;
+//
+void print_time() {
+ pc.printf("The time taken was %f microseconds\n", balltime);
+}
+//
+//void tstart() {
+// t.start();
+//}
+//
+//void tstop() {
+// t.stop();
+// balltime = t.read();
+// t.reset();
+//}
+//
+//void set_score(uint8_t score) {
+// for (int i=0; i < score; i++) {
+// px.Set(i, COLOR);
+// }
+// for (int i = score; i <= 10; i++) {
+// px.Set(i, 0);
+// }
+//
+// px.SetAllI(0x0f);
+//// ws.write_offsets(px.getBuf(),0,0,0);
+// ws.write(px.getBuf());
+//}
+
+int main()
+{
+ // Optional: set mode as PullUp/PullDown/PullNone/OpenDrain
+ //mypin.mode(PullNone);
+//
+// detector1.fall(&tstart);
+// detector2.rise(&tstop);
+
+ ws.useII(WS2812::GLOBAL); // use global intensity scaling
+
+ while(1) {
+
+ // if (balltime != 0) {
+// pc.printf("Time of ball pass : %f seconds\n\r", balltime);
+// float speed = 0.035/balltime*3.6;
+// pc.printf("Speed of ball (3.5 cm diameter) : %f kph\n\r", speed);
+//
+// score_1++;
+//
+// if (score_1 > 10)
+// score_1 = 0;
+//
+// set_score(score_1);
+// balltime = 0;
+// }
+//
+// led1 = detector1; // toggle led based on value of the pin
+
+ if (gc.goal) {
+ score_1 = gc.get_score();
+ balltime = gc.get_balltime();
+ speed = gc.get_ballspeed();
+ pc.printf("Score : %d \n\r", score_1);
+ pc.printf("Time of ball pass : %f seconds\n\r", balltime);
+ pc.printf("Speed of ball (34 mm diameter) : %f kph\n\r", speed);
+ gc.goal = 0;
+ }
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-os.lib Thu Jan 10 14:48:03 2019 +0000 @@ -0,0 +1,1 @@ +https://github.com/ARMmbed/mbed-os/#2fd0c5cfbd83fce62da6308f9d64c0ab64e1f0d6
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed_app.json Thu Jan 10 14:48:03 2019 +0000
@@ -0,0 +1,12 @@
+{
+ "target_overrides": {
+ "*": {
+ "platform.stdio-baud-rate": 115200,
+ "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 Thu Jan 10 14:48:03 2019 +0000
@@ -0,0 +1,121 @@
+/* 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);
+ }
+
+ ~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