RP2040.h

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#pragma once
 
#include <stddef.h>
#include <stdint.h>
 
#include "pico/util/queue.h"

class RP2040FifoClass {
public:
    static constexpr unsigned kDepth = 16;

    void push(uint32_t value);

    bool push_nb(uint32_t value);

    uint32_t pop();

    bool pop_nb(uint32_t* value);

    int available();

    void begin();
 
private:
    queue_t queues_[2];  // queues_[c] holds the values sent to core c
    bool started_ = false;
};

class RP2040Class {
public:
    RP2040FifoClass fifo;

    void idleOtherCore();

    void resumeOtherCore();

    void restartCore1();

    int cpuid();

    uint32_t f_cpu();

    int getTotalHeap();

    int getUsedHeap();

    int getFreeHeap();
 
private:
    bool idling_other_ = false;
};

extern RP2040Class rp2040;
 
extern "C" {
void setup1(void) __attribute__((weak));

void loop1(void) __attribute__((weak));
}