Liam Decaster
/
PM2_Example_IRSensor
Hello there
Diff: main.cpp
- Revision:
- 9:c5e1e1facb02
- Parent:
- 8:49f2b6a515ac
- Child:
- 10:f459b443f676
--- a/main.cpp Sat Mar 13 16:53:22 2021 +0100 +++ b/main.cpp Sat Mar 13 17:34:29 2021 +0100 @@ -1,60 +1,80 @@ #include "mbed.h" #include "platform/mbed_thread.h" - +#include "string" + using namespace std::chrono; - + InterruptIn user_button(USER_BUTTON); DigitalOut led(LED1); - +BufferedSerial pc(USBTX, USBRX); + bool executeMainTask = false; Timer user_button_timer, loop_timer; int Ts_ms = 50; - + void button_fall(); void button_rise(); +/* input your stuff here */ AnalogIn analogIn(PA_0); float dist = 0.0f; +/* those numbers are just for testing the SerialBuffer class */ +float floatNumber = 0.003713f; +int integerNumber = 777; + int main() { user_button.fall(&button_fall); user_button.rise(&button_rise); loop_timer.start(); - + while (true) { - + loop_timer.reset(); - + /* ------------- start hacking ------------- -------------*/ - + if(executeMainTask) { + + dist = analogIn.read()*3.3f; - dist = analogIn.read()*3.3f; - - printf("Measval: %d\r\n", (static_cast<int>(dist * 1000))); + /* do only output what's really necessary, outputting "Measured value in mV: "" within the loop is no good solution */ + // printf("Measured value in mV: %d\r\n", (static_cast<int>(dist * 1e3))); + + /* using the BufferedSerial class as an example */ + string msg_str = "Measured value in mV: "; + msg_str.append(to_string((static_cast<int>(dist * 1e3)))); + msg_str.append(";"); + msg_str.append(to_string((static_cast<int>(floatNumber * 1e6)))); + msg_str.append(";"); + msg_str.append(to_string(integerNumber)); + msg_str.append(";\r\n"); + char msg[msg_str.length() + 1]; + strcpy(msg, msg_str.c_str()); + pc.write(msg, sizeof(msg)); /* visual feedback that the main task is executed */ led = !led; - + } else { led = 0; } - + /* ------------- stop hacking ------------- -------------*/ - + int T_loop_ms = duration_cast<milliseconds>(loop_timer.elapsed_time()).count(); int dT_loop_ms = Ts_ms - T_loop_ms; thread_sleep_for(dT_loop_ms); } } - + void button_fall() { user_button_timer.reset(); user_button_timer.start(); } - + void button_rise() { int t_button = duration_cast<milliseconds>(user_button_timer.elapsed_time()).count();