Simple demo for SerialPlotter program found at following link https://developer.mbed.org/users/borislav/notebook/serial-port-plotter/
main.cpp
- Committer:
- j3
- Date:
- 2017-09-07
- Revision:
- 1:0951a80a60e2
- Parent:
- 0:cdcbb66ba497
- Child:
- 2:7a66c77ff328
File content as of revision 1:0951a80a60e2:
/****************************************************************************** * MIT License * * Copyright (c) 2017 Justin J. Jordan * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * The above copyright notice and this permission notice shall be included in all * copies or substantial portions of the Software. * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. ******************************************************************************/ //https://developer.mbed.org/users/borislav/notebook/serial-port-plotter/ #include "mbed.h" int32_t float_to_int(float f); int main() { DigitalOut rLed(LED_RED, 1); DigitalOut gLed(LED_GREEN, 1); DigitalOut bLed(LED_BLUE, 1); DigitalOut leds[] = {rLed, gLed, bLed}; Serial debug(USBTX, USBRX); debug.baud(115200); //const float PI = 3.14159265F; float angle[] = {0.0F, 120.0F, 240.0F}; float sinScaled; int32_t data[3]; uint32_t cnt = 0; while(1) { //get data for(uint32_t idx = 0; idx < 3; idx++) { //get sin, scaled up and offset above 0 sinScaled = (100 + (100.0F * sin(angle[idx]*(PI/180.0F)))); data[idx] = float_to_int(sinScaled); //inc angle, check for roll over angle[idx] += 1.0F; if(angle[idx] > 360.0F) { angle[idx] = 0.0F; } } //plot debug.printf("$%d %d %d;", data[0], data[1], data[2]); //blink some lights, just cause you have to leds[cnt % 3] = !leds[cnt % 3]; cnt++; //wait a bit wait(0.01F); } } int32_t float_to_int(float f) { int32_t i; if (f >= 0.0F) { i = static_cast<int32_t>(f + 0.5F); } else { i = static_cast<int32_t>(f - 0.5F); } return i; }