cfg_spi.h

// Copyright 2023-2025 The Aerospace Corporation.
// This file is a part of SatCat5, licensed under CERN-OHL-W v2 or later.
// Generic SPI interface
 
#pragma once
 
#include <satcat5/types.h>
 
namespace satcat5 {
    namespace cfg {
        class SpiEventListener {
        public:
            virtual void spi_done(unsigned nread, const u8* rbytes) = 0;
        protected:
            ~SpiEventListener() {}
        };
 
        class SpiGeneric {
        public:
            virtual bool busy() = 0;
 
            virtual bool exchange(
                u8 devidx, const u8* wrdata, u8 rwbytes,
                satcat5::cfg::SpiEventListener* callback = 0) = 0;
 
            virtual bool query(
                u8 devidx, const u8* wrdata, u8 wrbytes, u8 rdbytes,
                satcat5::cfg::SpiEventListener* callback = 0) = 0;
        };
    }
}