A simple operating system for the ESP32-based M5StickC
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#include <M5StickC.h>
#include "Kernel.h"
int UserInput(int pid, unsigned int signal)
{
Serial.println("UserInput called");
if (signal & SIGNAL_START)
{
Kernel_signal_mask(pid, SIGNAL_START | SIGNAL_STOP | SIGNAL_TICK);
}
if (signal & SIGNAL_TICK)
{
if (Kernel_read_input(KERNEL_INPUT_BUTTON_A))
{
Kernel_signal(SIGNAL_INPUT_A);
}
if (Kernel_read_input(KERNEL_INPUT_BUTTON_B))
{
Kernel_signal(SIGNAL_INPUT_B);
}
}
return 0;
}